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[GNUnet-SVN] r24345 - gnunet/src/testbed
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From: |
gnunet |
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Subject: |
[GNUnet-SVN] r24345 - gnunet/src/testbed |
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Date: |
Tue, 16 Oct 2012 17:44:16 +0200 |
Author: harsha
Date: 2012-10-16 17:44:16 +0200 (Tue, 16 Oct 2012)
New Revision: 24345
Added:
gnunet/src/testbed/gnunet-service-testbed.c.new
Removed:
gnunet/src/testbed/gnunet-service-testbed.c.new
Modified:
gnunet/src/testbed/testbed_api_hosts.c
Log:
checkpoint save
Deleted: gnunet/src/testbed/gnunet-service-testbed.c.new
===================================================================
--- gnunet/src/testbed/gnunet-service-testbed.c.new 2012-10-16 14:59:26 UTC
(rev 24344)
+++ gnunet/src/testbed/gnunet-service-testbed.c.new 2012-10-16 15:44:16 UTC
(rev 24345)
@@ -1,3019 +0,0 @@
-/*
- This file is part of GNUnet.
- (C) 2012 Christian Grothoff (and other contributing authors)
-
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
- option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
-
-/**
- * @file testbed/gnunet-service-testbed.c
- * @brief implementation of the TESTBED service
- * @author Sree Harsha Totakura
- */
-
-#include "platform.h"
-#include "gnunet_service_lib.h"
-#include "gnunet_server_lib.h"
-#include "gnunet_transport_service.h"
-#include "gnunet_core_service.h"
-#include "gnunet_hello_lib.h"
-#include <zlib.h>
-
-#include "gnunet_testbed_service.h"
-#include "testbed.h"
-#include "testbed_api.h"
-#include "testbed_api_hosts.h"
-#include "gnunet_testing_lib-new.h"
-
-/**
- * Generic logging
- */
-#define LOG(kind,...) \
- GNUNET_log (kind, __VA_ARGS__)
-
-/**
- * Debug logging
- */
-#define LOG_DEBUG(...) \
- LOG (GNUNET_ERROR_TYPE_DEBUG, __VA_ARGS__)
-
-/**
- * By how much should the arrays lists grow
- */
-#define LIST_GROW_STEP 10
-
-/**
- * Default timeout for operations which may take some time
- */
-#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 30)
-
-/**
- * The main context information associated with the client which started us
- */
-struct Context
-{
- /**
- * The client handle associated with this context
- */
- struct GNUNET_SERVER_Client *client;
-
- /**
- * The network address of the master controller
- */
- char *master_ip;
-
- /**
- * The TESTING system handle for starting peers locally
- */
- struct GNUNET_TESTING_System *system;
-
- /**
- * Event mask of event to be responded in this context
- */
- uint64_t event_mask;
-
- /**
- * Our host id according to this context
- */
- uint32_t host_id;
-};
-
-
-/**
- * The message queue for sending messages to clients
- */
-struct MessageQueue
-{
- /**
- * The message to be sent
- */
- struct GNUNET_MessageHeader *msg;
-
- /**
- * The client to send the message to
- */
- struct GNUNET_SERVER_Client *client;
-
- /**
- * next pointer for DLL
- */
- struct MessageQueue *next;
-
- /**
- * prev pointer for DLL
- */
- struct MessageQueue *prev;
-};
-
-
-/**
- * The structure for identifying a shared service
- */
-struct SharedService
-{
- /**
- * The name of the shared service
- */
- char *name;
-
- /**
- * Number of shared peers per instance of the shared service
- */
- uint32_t num_shared;
-
- /**
- * Number of peers currently sharing the service
- */
- uint32_t num_sharing;
-};
-
-
-/**
- * A routing entry
- */
-struct Route
-{
- /**
- * destination host
- */
- uint32_t dest;
-
- /**
- * The destination host is reachable thru
- */
- uint32_t thru;
-};
-
-
-/**
- * Context information used while linking controllers
- */
-struct LinkControllersContext;
-
-
-/**
- * Structure representing a connected(directly-linked) controller
- */
-struct Slave
-{
- /**
- * The controller process handle if we had started the controller
- */
- struct GNUNET_TESTBED_ControllerProc *controller_proc;
-
- /**
- * The controller handle
- */
- struct GNUNET_TESTBED_Controller *controller;
-
- /**
- * The configuration of the slave. Cannot be NULL
- */
- struct GNUNET_CONFIGURATION_Handle *cfg;
-
- /**
- * handle to lcc which is associated with this slave startup. Should be set
to
- * NULL when the slave has successfully started up
- */
- struct LinkControllersContext *lcc;
-
- /**
- * The id of the host this controller is running on
- */
- uint32_t host_id;
-};
-
-
-/**
- * States of LCFContext
- */
-enum LCFContextState
-{
- /**
- * The Context has been initialized; Nothing has been done on it
- */
- INIT,
-
- /**
- * Delegated host has been registered at the forwarding controller
- */
- DELEGATED_HOST_REGISTERED,
-
- /**
- * The slave host has been registred at the forwarding controller
- */
- SLAVE_HOST_REGISTERED,
-
- /**
- * The context has been finished (may have error)
- */
- FINISHED
-};
-
-
-/**
- * Link controllers request forwarding context
- */
-struct LCFContext
-{
- /**
- * The gateway which will pass the link message to delegated host
- */
- struct Slave *gateway;
-
- /**
- * The controller link message that has to be forwarded to
- */
- struct GNUNET_TESTBED_ControllerLinkMessage *msg;
-
- /**
- * The client which has asked to perform this operation
- */
- struct GNUNET_SERVER_Client *client;
-
- /**
- * The host registration handle while registered hosts in this context
- */
- struct GNUNET_TESTBED_HostRegistrationHandle *rhandle;
-
- /**
- * The id of the operation which created this context
- */
- uint64_t operation_id;
-
- /**
- * The state of this context
- */
- enum LCFContextState state;
-
- /**
- * The delegated host
- */
- uint32_t delegated_host_id;
-
- /**
- * The slave host
- */
- uint32_t slave_host_id;
-
-};
-
-
-/**
- * Structure of a queue entry in LCFContext request queue
- */
-struct LCFContextQueue
-{
- /**
- * The LCFContext
- */
- struct LCFContext *lcf;
-
- /**
- * Head prt for DLL
- */
- struct LCFContextQueue *next;
-
- /**
- * Tail ptr for DLL
- */
- struct LCFContextQueue *prev;
-};
-
-
-/**
- * A peer
- */
-struct Peer
-{
- union
- {
- struct
- {
- /**
- * The peer handle from testing API
- */
- struct GNUNET_TESTING_Peer *peer;
-
- /**
- * The modified (by GNUNET_TESTING_peer_configure) configuration this
- * peer is configured with
- */
- struct GNUNET_CONFIGURATION_Handle *cfg;
-
- /**
- * Is the peer running
- */
- int is_running;
-
- } local;
-
- struct
- {
- /**
- * The controller this peer is started through
- */
- struct GNUNET_TESTBED_Controller *controller;
-
- } remote;
-
- } details;
-
- /**
- * Is this peer locally created?
- */
- int is_remote;
-
- /**
- * Our local reference id for this peer
- */
- uint32_t id;
-
-};
-
-
-/**
- * Context information for connecting 2 peers in overlay
- */
-struct OverlayConnectContext
-{
- /**
- * The client which has requested for overlay connection
- */
- struct GNUNET_SERVER_Client *client;
-
- /**
- * the peer which has to connect to the other peer
- */
- struct Peer *peer;
-
- /**
- * Transport handle of the first peer to get its HELLO
- */
- struct GNUNET_TRANSPORT_Handle *p1th;
-
- /**
- * Transport handle of other peer to offer first peer's HELLO
- */
- struct GNUNET_TRANSPORT_Handle *p2th;
-
- /**
- * Core handles of the first peer; used to notify when second peer connects
to it
- */
- struct GNUNET_CORE_Handle *ch;
-
- /**
- * HELLO of the other peer
- */
- struct GNUNET_MessageHeader *hello;
-
- /**
- * Get hello handle to acquire HELLO of first peer
- */
- struct GNUNET_TRANSPORT_GetHelloHandle *ghh;
-
- /**
- * The error message we send if this overlay connect operation has timed out
- */
- char *emsg;
-
- /**
- * Operation context for suboperations
- */
- struct OperationContext *opc;
-
- /**
- * Controller of peer 2; NULL if the peer is local
- */
- struct GNUNET_TESTBED_Controller *peer2_controller;
-
- /**
- * The peer identity of the first peer
- */
- struct GNUNET_PeerIdentity peer_identity;
-
- /**
- * The peer identity of the other peer
- */
- struct GNUNET_PeerIdentity other_peer_identity;
-
- /**
- * The id of the operation responsible for creating this context
- */
- uint64_t op_id;
-
- /**
- * The id of the task for sending HELLO of peer 2 to peer 1 and ask peer 1 to
- * connect to peer 2
- */
- GNUNET_SCHEDULER_TaskIdentifier send_hello_task;
-
- /**
- * The id of the overlay connect timeout task
- */
- GNUNET_SCHEDULER_TaskIdentifier timeout_task;
-
- /**
- * The id of peer A
- */
- uint32_t peer_id;
-
- /**
- * The id of peer B
- */
- uint32_t other_peer_id;
-
- /**
- * Number of times we tried to send hello; used to increase delay in offering
- * hellos
- */
- uint16_t retries;
-};
-
-
-/**
- * Context information to used during operations which forward the overlay
- * connect message
- */
-struct ForwardedOverlayConnectContext
-{
- /**
- * A copy of the original message which resulted in creation of this context
- */
- struct GNUNET_TESTBED_OverlayConnectMessage *oc_msg;
-
- /**
- * The gateway controller to which this operation is forwarded to
- */
- struct GNUNET_TESTBED_Controller *gateway;
-};
-
-
-/**
- * Context information for RequestOverlayConnect
- * operations. RequestOverlayConnect is used when peers A, B reside on
different
- * hosts and the host controller for peer B is asked by the host controller of
- * peer A to make peer B connect to peer A
- */
-struct RequestOverlayConnectContext
-{
- /**
- * The transport handle of peer B
- */
- struct GNUNET_TRANSPORT_Handle *th;
-
- /**
- * Peer A's HELLO
- */
- struct GNUNET_MessageHeader *hello;
-
- /**
- * The peer identity of peer A
- */
- struct GNUNET_PeerIdentity a_id;
-
- /**
- * Task for offering HELLO of A to B and doing try_connect
- */
- GNUNET_SCHEDULER_TaskIdentifier attempt_connect_task_id;
-
- /**
- * Task to timeout RequestOverlayConnect
- */
- GNUNET_SCHEDULER_TaskIdentifier timeout_rocc_task_id;
-
- /**
- * Number of times we tried to send hello; used to increase delay in offering
- * hellos
- */
- uint16_t retries;
-
-};
-
-
-/**
- * Context information for operations forwarded to subcontrollers
- */
-struct ForwardedOperationContext
-{
- /**
- * The generated operation context
- */
- struct OperationContext *opc;
-
- /**
- * The client to which we have to reply
- */
- struct GNUNET_SERVER_Client *client;
-
- /**
- * Closure pointer
- */
- void *cls;
-
- /**
- * Task ID for the timeout task
- */
- GNUNET_SCHEDULER_TaskIdentifier timeout_task;
-
- /**
- * The id of the operation that has been forwarded
- */
- uint64_t operation_id;
-
-};
-
-
-/**
- * Context information used while linking controllers
- */
-struct LinkControllersContext
-{
- /**
- * The client which initiated the link controller operation
- */
- struct GNUNET_SERVER_Client *client;
-
- /**
- * The ID of the operation
- */
- uint64_t operation_id;
-
-};
-
-
-
-/**
- * The master context; generated with the first INIT message
- */
-static struct Context *master_context;
-
-/**
- * Our hostname; we give this to all the peers we start
- */
-static char *hostname;
-
-/***********/
-/* Handles */
-/***********/
-
-/**
- * Current Transmit Handle; NULL if no notify transmit exists currently
- */
-static struct GNUNET_SERVER_TransmitHandle *transmit_handle;
-
-/****************/
-/* Lists & Maps */
-/****************/
-
-/**
- * The head for the LCF queue
- */
-static struct LCFContextQueue *lcfq_head;
-
-/**
- * The tail for the LCF queue
- */
-static struct LCFContextQueue *lcfq_tail;
-
-/**
- * The message queue head
- */
-static struct MessageQueue *mq_head;
-
-/**
- * The message queue tail
- */
-static struct MessageQueue *mq_tail;
-
-/**
- * Array of host list
- */
-static struct GNUNET_TESTBED_Host **host_list;
-
-/**
- * A list of routes
- */
-static struct Route **route_list;
-
-/**
- * A list of directly linked neighbours
- */
-static struct Slave **slave_list;
-
-/**
- * A list of peers we know about
- */
-static struct Peer **peer_list;
-
-/**
- * The hashmap of shared services
- */
-static struct GNUNET_CONTAINER_MultiHashMap *ss_map;
-
-/**
- * The size of the host list
- */
-static uint32_t host_list_size;
-
-/**
- * The size of the route list
- */
-static uint32_t route_list_size;
-
-/**
- * The size of directly linked neighbours list
- */
-static uint32_t slave_list_size;
-
-/**
- * The size of the peer list
- */
-static uint32_t peer_list_size;
-
-/*********/
-/* Tasks */
-/*********/
-
-/**
- * The lcf_task handle
- */
-static GNUNET_SCHEDULER_TaskIdentifier lcf_proc_task_id;
-
-/**
- * The shutdown task handle
- */
-static GNUNET_SCHEDULER_TaskIdentifier shutdown_task_id;
-
-
-/**
- * Function called to notify a client about the connection begin ready to queue
- * more data. "buf" will be NULL and "size" zero if the connection was closed
- * for writing in the meantime.
- *
- * @param cls NULL
- * @param size number of bytes available in buf
- * @param buf where the callee should write the message
- * @return number of bytes written to buf
- */
-static size_t
-transmit_ready_notify (void *cls, size_t size, void *buf)
-{
- struct MessageQueue *mq_entry;
-
- transmit_handle = NULL;
- mq_entry = mq_head;
- GNUNET_assert (NULL != mq_entry);
- if (0 == size)
- return 0;
- GNUNET_assert (ntohs (mq_entry->msg->size) <= size);
- size = ntohs (mq_entry->msg->size);
- memcpy (buf, mq_entry->msg, size);
- GNUNET_free (mq_entry->msg);
- GNUNET_CONTAINER_DLL_remove (mq_head, mq_tail, mq_entry);
- GNUNET_free (mq_entry);
- mq_entry = mq_head;
- if (NULL != mq_entry)
- transmit_handle =
- GNUNET_SERVER_notify_transmit_ready (mq_entry->client,
- ntohs (mq_entry->msg->size),
- GNUNET_TIME_UNIT_FOREVER_REL,
- &transmit_ready_notify, NULL);
- return size;
-}
-
-
-/**
- * Queues a message in send queue for sending to the service
- *
- * @param client the client to whom the queued message has to be sent
- * @param msg the message to queue
- */
-static void
-queue_message (struct GNUNET_SERVER_Client *client,
- struct GNUNET_MessageHeader *msg)
-{
- struct MessageQueue *mq_entry;
- uint16_t type;
- uint16_t size;
-
- type = ntohs (msg->type);
- size = ntohs (msg->size);
- GNUNET_assert ((GNUNET_MESSAGE_TYPE_TESTBED_INIT <= type) &&
- (GNUNET_MESSAGE_TYPE_TESTBED_MAX > type));
- mq_entry = GNUNET_malloc (sizeof (struct MessageQueue));
- mq_entry->msg = msg;
- mq_entry->client = client;
- LOG_DEBUG ("Queueing message of type %u, size %u for sending\n", type,
- ntohs (msg->size));
- GNUNET_CONTAINER_DLL_insert_tail (mq_head, mq_tail, mq_entry);
- if (NULL == transmit_handle)
- transmit_handle =
- GNUNET_SERVER_notify_transmit_ready (client, size,
- GNUNET_TIME_UNIT_FOREVER_REL,
- &transmit_ready_notify, NULL);
-}
-
-
-/**
- * Similar to GNUNET_realloc; however clears tail part of newly allocated
memory
- *
- * @param ptr the memory block to realloc
- * @param size the size of ptr
- * @param new_size the size to which ptr has to be realloc'ed
- * @return the newly reallocated memory block
- */
-static void *
-TESTBED_realloc (void *ptr, size_t size, size_t new_size)
-{
- ptr = GNUNET_realloc (ptr, new_size);
- if (new_size > size)
- (void) memset (ptr + size, 0, new_size - size);
- return ptr;
-}
-
-
-/**
- * Function to add a host to the current list of known hosts
- *
- * @param host the host to add
- * @return GNUNET_OK on success; GNUNET_SYSERR on failure due to host-id
- * already in use
- */
-static int
-host_list_add (struct GNUNET_TESTBED_Host *host)
-{
- uint32_t host_id;
- uint32_t orig_size;
-
- host_id = GNUNET_TESTBED_host_get_id_ (host);
- orig_size = host_list_size;
- if (host_list_size <= host_id)
- {
- while (host_list_size <= host_id)
- host_list_size += LIST_GROW_STEP;
- host_list =
- TESTBED_realloc (host_list,
- sizeof (struct GNUNET_TESTBED_Host *) * orig_size,
- sizeof (struct GNUNET_TESTBED_Host *)
- * host_list_size);
- }
- if (NULL != host_list[host_id])
- {
- LOG_DEBUG ("A host with id: %u already exists\n", host_id);
- return GNUNET_SYSERR;
- }
- host_list[host_id] = host;
- return GNUNET_OK;
-}
-
-
-/**
- * Adds a route to the route list
- *
- * @param route the route to add
- */
-static void
-route_list_add (struct Route *route)
-{
- uint32_t orig_size;
-
- orig_size = route_list_size;
- if (route->dest >= route_list_size)
- {
- while (route->dest >= route_list_size)
- route_list_size += LIST_GROW_STEP;
- route_list =
- TESTBED_realloc (route_list,
- sizeof (struct Route *) * orig_size,
- sizeof (struct Route *) * route_list_size);
- }
- GNUNET_assert (NULL == route_list[route->dest]);
- route_list[route->dest] = route;
-}
-
-
-/**
- * Adds a slave to the slave array
- *
- * @param slave the slave controller to add
- */
-static void
-slave_list_add (struct Slave *slave)
-{
- if (slave->host_id >= slave_list_size)
- {
- slave_list =
- TESTBED_realloc (slave_list, sizeof (struct Slave *) * slave_list_size,
- sizeof (struct Slave *) * (slave_list_size +
- LIST_GROW_STEP));
- slave_list_size += LIST_GROW_STEP;
- }
- GNUNET_assert (NULL == slave_list[slave->host_id]);
- slave_list[slave->host_id] = slave;
-}
-
-
-/**
- * Adds a peer to the peer array
- *
- * @param peer the peer to add
- */
-static void
-peer_list_add (struct Peer *peer)
-{
- uint32_t orig_size;
-
- orig_size = peer_list_size;
- if (peer->id >= peer_list_size)
- {
- while (peer->id >= peer_list_size)
- peer_list_size += LIST_GROW_STEP;
- peer_list =
- TESTBED_realloc (peer_list, sizeof (struct Peer *) * orig_size,
- sizeof (struct Peer *) * peer_list_size);
- }
- GNUNET_assert (NULL == peer_list[peer->id]);
- peer_list[peer->id] = peer;
-}
-
-
-/**
- * Removes a the give peer from the peer array
- *
- * @param peer the peer to be removed
- */
-static void
-peer_list_remove (struct Peer *peer)
-{
- uint32_t id;
- uint32_t orig_size;
-
- peer_list[peer->id] = NULL;
- orig_size = peer_list_size;
- while (peer_list_size >= LIST_GROW_STEP)
- {
- for (id = peer_list_size - 1;
- (id >= peer_list_size - LIST_GROW_STEP) && (id != UINT32_MAX); id--)
- if (NULL != peer_list[id])
- break;
- if (id != ((peer_list_size - LIST_GROW_STEP) - 1))
- break;
- peer_list_size -= LIST_GROW_STEP;
- }
- if (orig_size == peer_list_size)
- return;
- peer_list =
- GNUNET_realloc (peer_list, sizeof (struct Peer *) * peer_list_size);
-}
-
-
-/**
- * Finds the route with directly connected host as destination through which
- * the destination host can be reached
- *
- * @param host_id the id of the destination host
- * @return the route with directly connected destination host; NULL if no route
- * is found
- */
-static struct Route *
-find_dest_route (uint32_t host_id)
-{
- struct Route *route;
-
- while (NULL != (route = route_list[host_id]))
- {
- if (route->thru == master_context->host_id)
- break;
- host_id = route->thru;
- }
- return route;
-}
-
-
-/**
- * Routes message to a host given its host_id
- *
- * @param host_id the id of the destination host
- * @param msg the message to be routed
- */
-static void
-route_message (uint32_t host_id, const struct GNUNET_MessageHeader *msg)
-{
- GNUNET_break (0);
-}
-
-
-/**
- * Send operation failure message to client
- *
- * @param client the client to which the failure message has to be sent to
- * @param operation_id the id of the failed operation
- * @param emsg the error message; can be NULL
- */
-static void
-send_operation_fail_msg (struct GNUNET_SERVER_Client *client,
- uint64_t operation_id, const char *emsg)
-{
- struct GNUNET_TESTBED_OperationFailureEventMessage *msg;
- uint16_t msize;
- uint16_t emsg_len;
-
- msize = sizeof (struct GNUNET_TESTBED_OperationFailureEventMessage);
- emsg_len = (NULL == emsg) ? 0 : strlen (emsg) + 1;
- msize += emsg_len;
- msg = GNUNET_malloc (msize);
- msg->header.size = htons (msize);
- msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_OPERATIONFAILEVENT);
- msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
- msg->operation_id = GNUNET_htonll (operation_id);
- if (0 != emsg_len)
- memcpy (&msg[1], emsg, emsg_len);
- queue_message (client, &msg->header);
-}
-
-
-/**
- * Function to send generic operation success message to given client
- *
- * @param client the client to send the message to
- * @param operation_id the id of the operation which was successful
- */
-static void
-send_operation_success_msg (struct GNUNET_SERVER_Client *client,
- uint64_t operation_id)
-{
- struct GNUNET_TESTBED_GenericOperationSuccessEventMessage *msg;
- uint16_t msize;
-
- msize = sizeof (struct GNUNET_TESTBED_GenericOperationSuccessEventMessage);
- msg = GNUNET_malloc (msize);
- msg->header.size = htons (msize);
- msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GENERICOPSUCCESS);
- msg->operation_id = GNUNET_htonll (operation_id);
- msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
- queue_message (client, &msg->header);
-}
-
-
-/**
- * The Link Controller forwarding task
- *
- * @param cls the LCFContext
- * @param tc the Task context from scheduler
- */
-static void
-lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-
-
-/**
- * Completion callback for host registrations while forwarding Link Controller
messages
- *
- * @param cls the LCFContext
- * @param emsg the error message; NULL if host registration is successful
- */
-static void
-lcf_proc_cc (void *cls, const char *emsg)
-{
- struct LCFContext *lcf = cls;
-
- lcf->rhandle = NULL;
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
- switch (lcf->state)
- {
- case INIT:
- if (NULL != emsg)
- goto registration_error;
- lcf->state = DELEGATED_HOST_REGISTERED;
- lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
- break;
- case DELEGATED_HOST_REGISTERED:
- if (NULL != emsg)
- goto registration_error;
- lcf->state = SLAVE_HOST_REGISTERED;
- lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
- break;
- default:
- GNUNET_assert (0); /* Shouldn't reach here */
- }
- return;
-
- registration_error:
- LOG (GNUNET_ERROR_TYPE_WARNING, "Host registration failed with message:
%s\n",
- emsg);
- lcf->state = FINISHED;
- lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
-}
-
-
-/**
- * Callback to be called when forwarded link controllers operation is
- * successfull. We have to relay the reply msg back to the client
- *
- * @param cls ForwardedOperationContext
- * @param msg the peer create success message
- */
-static void
-forwarded_operation_reply_relay (void *cls,
- const struct GNUNET_MessageHeader *msg)
-{
- struct ForwardedOperationContext *fopc = cls;
- struct GNUNET_MessageHeader *dup_msg;
- uint16_t msize;
-
- msize = ntohs (msg->size);
- LOG_DEBUG ("Relaying message with type: %u, size: %u\n", ntohs (msg->type),
- msize);
- dup_msg = GNUNET_malloc (msize);
- (void) memcpy (dup_msg, msg, msize);
- queue_message (fopc->client, dup_msg);
- GNUNET_SERVER_client_drop (fopc->client);
- GNUNET_SCHEDULER_cancel (fopc->timeout_task);
- GNUNET_free (fopc);
-}
-
-
-/**
- * Task to free resources when forwarded link controllers has been timedout
- *
- * @param cls the ForwardedOperationContext
- * @param tc the task context from scheduler
- */
-static void
-forwarded_operation_timeout (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct ForwardedOperationContext *fopc = cls;
-
- GNUNET_TESTBED_forward_operation_msg_cancel_ (fopc->opc);
- send_operation_fail_msg (fopc->client, fopc->operation_id, "Timeout");
- GNUNET_SERVER_client_drop (fopc->client);
- GNUNET_free (fopc);
-}
-
-
-/**
- * The Link Controller forwarding task
- *
- * @param cls the LCFContext
- * @param tc the Task context from scheduler
- */
-static void
-lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct LCFContext *lcf = cls;
- struct LCFContextQueue *lcfq;
- struct ForwardedOperationContext *fopc;
-
- lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
- switch (lcf->state)
- {
- case INIT:
- if (GNUNET_NO ==
- GNUNET_TESTBED_is_host_registered_ (host_list[lcf->delegated_host_id],
- lcf->gateway->controller))
- {
- lcf->rhandle =
- GNUNET_TESTBED_register_host (lcf->gateway->controller,
- host_list[lcf->delegated_host_id],
- lcf_proc_cc, lcf);
- }
- else
- {
- lcf->state = DELEGATED_HOST_REGISTERED;
- lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
- }
- break;
- case DELEGATED_HOST_REGISTERED:
- if (GNUNET_NO ==
- GNUNET_TESTBED_is_host_registered_ (host_list[lcf->slave_host_id],
- lcf->gateway->controller))
- {
- lcf->rhandle =
- GNUNET_TESTBED_register_host (lcf->gateway->controller,
- host_list[lcf->slave_host_id],
- lcf_proc_cc, lcf);
- }
- else
- {
- lcf->state = SLAVE_HOST_REGISTERED;
- lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
- }
- break;
- case SLAVE_HOST_REGISTERED:
- fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
- fopc->client = lcf->client;
- fopc->operation_id = lcf->operation_id;
- fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (lcf->gateway->controller,
- lcf->operation_id,
- &lcf->msg->header,
-
&forwarded_operation_reply_relay,
- fopc);
- fopc->timeout_task =
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
- fopc);
- lcf->state = FINISHED;
- lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
- break;
- case FINISHED:
- lcfq = lcfq_head;
- GNUNET_assert (lcfq->lcf == lcf);
- GNUNET_free (lcf->msg);
- GNUNET_free (lcf);
- GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
- GNUNET_free (lcfq);
- if (NULL != lcfq_head)
- lcf_proc_task_id =
- GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq_head->lcf);
- }
-}
-
-
-/**
- * Callback for event from slave controllers
- *
- * @param cls struct Slave *
- * @param event information about the event
- */
-static void
-slave_event_callback (void *cls,
- const struct GNUNET_TESTBED_EventInformation *event)
-{
- GNUNET_break (0);
-}
-
-
-/**
- * Callback to signal successfull startup of the controller process
- *
- * @param cls the handle to the slave whose status is to be found here
- * @param cfg the configuration with which the controller has been started;
- * NULL if status is not GNUNET_OK
- * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
- * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
- */
-static void
-slave_status_callback (void *cls, const struct GNUNET_CONFIGURATION_Handle
*cfg,
- int status)
-{
- struct Slave *slave = cls;
- struct LinkControllersContext *lcc;
-
- lcc = slave->lcc;
- if (GNUNET_SYSERR == status)
- {
- slave->controller_proc = NULL;
- slave_list[slave->host_id] = NULL;
- if (NULL != slave->cfg)
- GNUNET_CONFIGURATION_destroy (slave->cfg);
- GNUNET_free (slave);
- slave = NULL;
- LOG (GNUNET_ERROR_TYPE_WARNING, "Unexpected slave shutdown\n");
- GNUNET_SCHEDULER_shutdown (); /* We too shutdown */
- goto clean_lcc;
- }
- slave->controller =
- GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
- master_context->event_mask,
- &slave_event_callback, slave);
- if (NULL != slave->controller)
- {
- send_operation_success_msg (lcc->client, lcc->operation_id);
- slave->cfg = GNUNET_CONFIGURATION_dup (cfg);
- }
- else
- {
- send_operation_fail_msg (lcc->client, lcc->operation_id,
- "Could not connect to delegated controller");
- GNUNET_TESTBED_controller_stop (slave->controller_proc);
- slave_list[slave->host_id] = NULL;
- GNUNET_free (slave);
- slave = NULL;
- }
-
- clean_lcc:
- if (NULL != lcc)
- {
- if (NULL != lcc->client)
- {
- GNUNET_SERVER_receive_done (lcc->client, GNUNET_OK);
- GNUNET_SERVER_client_drop (lcc->client);
- lcc->client = NULL;
- }
- GNUNET_free (lcc);
- }
- if (NULL != slave)
- slave->lcc = NULL;
-}
-
-
-/**
- * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_INIT messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_init (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_InitMessage *msg;
- struct GNUNET_TESTBED_Host *host;
- const char *controller_hostname;
- uint16_t msize;
-
- if (NULL != master_context)
- {
- LOG_DEBUG ("We are being connected to laterally\n");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- msg = (const struct GNUNET_TESTBED_InitMessage *) message;
- msize = ntohs (message->size);
- if (msize <= sizeof (struct GNUNET_TESTBED_InitMessage))
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- msize -= sizeof (struct GNUNET_TESTBED_InitMessage);
- controller_hostname = (const char *) &msg[1];
- if ('\0' != controller_hostname[msize - 1])
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- master_context = GNUNET_malloc (sizeof (struct Context));
- master_context->client = client;
- master_context->host_id = ntohl (msg->host_id);
- master_context->master_ip = GNUNET_strdup (controller_hostname);
- LOG_DEBUG ("Master Controller IP: %s\n", master_context->master_ip);
- master_context->system =
- GNUNET_TESTING_system_create ("testbed", master_context->master_ip,
hostname);
- host =
- GNUNET_TESTBED_host_create_with_id (master_context->host_id, NULL, NULL,
- 0);
- host_list_add (host);
- master_context->event_mask = GNUNET_ntohll (msg->event_mask);
- GNUNET_SERVER_client_keep (client);
- LOG_DEBUG ("Created master context with host ID: %u\n",
- master_context->host_id);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_add_host (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- struct GNUNET_TESTBED_Host *host;
- const struct GNUNET_TESTBED_AddHostMessage *msg;
- struct GNUNET_TESTBED_HostConfirmedMessage *reply;
- char *username;
- char *hostname;
- char *emsg;
- uint32_t host_id;
- uint16_t username_length;
- uint16_t hostname_length;
- uint16_t reply_size;
- uint16_t msize;
-
- msg = (const struct GNUNET_TESTBED_AddHostMessage *) message;
- msize = ntohs (msg->header.size);
- username = (char *) &(msg[1]);
- username_length = ntohs (msg->user_name_length);
- GNUNET_assert (msize > (sizeof (struct GNUNET_TESTBED_AddHostMessage) +
username_length + 1)); /* msg must contain hostname */
- if (0 != username_length)
- GNUNET_assert ('\0' == username[username_length]);
- username_length = (0 == username_length) ? 0 : username_length + 1;
- hostname = username + username_length;
- hostname_length =
- msize - (sizeof (struct GNUNET_TESTBED_AddHostMessage) +
username_length);
- GNUNET_assert ('\0' == hostname[hostname_length - 1]);
- GNUNET_assert (strlen (hostname) == hostname_length - 1);
- host_id = ntohl (msg->host_id);
- LOG_DEBUG ("Received ADDHOST message\n");
- LOG_DEBUG ("-------host id: %u\n", host_id);
- LOG_DEBUG ("-------hostname: %s\n", hostname);
- if (0 != username_length)
- LOG_DEBUG ("-------username: %s\n", username);
- else
- {
- LOG_DEBUG ("-------username: NULL\n");
- username = NULL;
- }
- LOG_DEBUG ("-------ssh port: %u\n", ntohs (msg->ssh_port));
- host =
- GNUNET_TESTBED_host_create_with_id (host_id, hostname, username,
- ntohs (msg->ssh_port));
- GNUNET_assert (NULL != host);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- reply_size = sizeof (struct GNUNET_TESTBED_HostConfirmedMessage);
- if (GNUNET_OK != host_list_add (host))
- {
- /* We are unable to add a host */
- emsg = "A host exists with given host-id";
- LOG_DEBUG ("%s: %u", emsg, host_id);
- GNUNET_TESTBED_host_destroy (host);
- reply_size += strlen (emsg) + 1;
- reply = GNUNET_malloc (reply_size);
- memcpy (&reply[1], emsg, strlen (emsg) + 1);
- }
- else
- reply = GNUNET_malloc (reply_size);
- reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_ADDHOSTCONFIRM);
- reply->header.size = htons (reply_size);
- reply->host_id = htonl (host_id);
- queue_message (client, &reply->header);
-}
-
-
-/**
- * Iterator over hash map entries.
- *
- * @param cls closure
- * @param key current key code
- * @param value value in the hash map
- * @return GNUNET_YES if we should continue to
- * iterate,
- * GNUNET_NO if not.
- */
-int
-ss_exists_iterator (void *cls, const struct GNUNET_HashCode *key, void *value)
-{
- struct SharedService *queried_ss = cls;
- struct SharedService *ss = value;
-
- if (0 == strcmp (ss->name, queried_ss->name))
- return GNUNET_NO;
- else
- return GNUNET_YES;
-}
-
-
-/**
- * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_configure_shared_service (void *cls, struct GNUNET_SERVER_Client
*client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *msg;
- struct SharedService *ss;
- char *service_name;
- struct GNUNET_HashCode hash;
- uint16_t msg_size;
- uint16_t service_name_size;
-
- msg = (const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *) message;
- msg_size = ntohs (message->size);
- if (msg_size <= sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage))
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- service_name_size =
- msg_size - sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage);
- service_name = (char *) &msg[1];
- if ('\0' != service_name[service_name_size - 1])
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- LOG_DEBUG ("Received service sharing request for %s, with %d peers\n",
- service_name, ntohl (msg->num_peers));
- if (ntohl (msg->host_id) != master_context->host_id)
- {
- route_message (ntohl (msg->host_id), message);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- ss = GNUNET_malloc (sizeof (struct SharedService));
- ss->name = strdup (service_name);
- ss->num_shared = ntohl (msg->num_peers);
- GNUNET_CRYPTO_hash (ss->name, service_name_size, &hash);
- if (GNUNET_SYSERR ==
- GNUNET_CONTAINER_multihashmap_get_multiple (ss_map, &hash,
- &ss_exists_iterator, ss))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Service %s already configured as a shared service. "
- "Ignoring service sharing request \n", ss->name);
- GNUNET_free (ss->name);
- GNUNET_free (ss);
- return;
- }
- GNUNET_CONTAINER_multihashmap_put (ss_map, &hash, ss,
-
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
-}
-
-
-/**
- * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS message
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_link_controllers (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_ControllerLinkMessage *msg;
- struct GNUNET_CONFIGURATION_Handle *cfg;
- struct LCFContextQueue *lcfq;
- struct Route *route;
- struct Route *new_route;
- char *config;
- uLongf dest_size;
- size_t config_size;
- uint32_t delegated_host_id;
- uint32_t slave_host_id;
- uint16_t msize;
-
- if (NULL == master_context)
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- msize = ntohs (message->size);
- if (sizeof (struct GNUNET_TESTBED_ControllerLinkMessage) >= msize)
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- msg = (const struct GNUNET_TESTBED_ControllerLinkMessage *) message;
- delegated_host_id = ntohl (msg->delegated_host_id);
- if (delegated_host_id == master_context->host_id)
- {
- GNUNET_break (0);
- LOG (GNUNET_ERROR_TYPE_WARNING, "Trying to link ourselves\n");
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- if ((delegated_host_id >= host_list_size) ||
- (NULL == host_list[delegated_host_id]))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Delegated host %u not registered with us\n", delegated_host_id);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- slave_host_id = ntohl (msg->slave_host_id);
- if ((slave_host_id >= host_list_size) || (NULL == host_list[slave_host_id]))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "Slave host not registered with us\n");
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- if (slave_host_id == delegated_host_id)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "Slave and delegated host are same\n");
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
-
- if (slave_host_id == master_context->host_id) /* Link from us */
- {
- struct Slave *slave;
- struct LinkControllersContext *lcc;
-
- msize -= sizeof (struct GNUNET_TESTBED_ControllerLinkMessage);
- config_size = ntohs (msg->config_size);
- if ((delegated_host_id < slave_list_size) && (NULL !=
slave_list[delegated_host_id])) /* We have already added */
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "Host %u already connected\n",
- delegated_host_id);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- config = GNUNET_malloc (config_size);
- dest_size = (uLongf) config_size;
- if (Z_OK !=
- uncompress ((Bytef *) config, &dest_size, (const Bytef *) &msg[1],
- (uLong) msize))
- {
- GNUNET_break (0); /* Compression error */
- GNUNET_free (config);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- if (config_size != dest_size)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "Uncompressed config size mismatch\n");
- GNUNET_free (config);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- cfg = GNUNET_CONFIGURATION_create (); /* Free here or in lcfcontext
*/
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
- {
- GNUNET_break (0); /* Configuration parsing error */
- GNUNET_free (config);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- GNUNET_free (config);
- if ((delegated_host_id < slave_list_size) &&
- (NULL != slave_list[delegated_host_id]))
- {
- GNUNET_break (0); /* Configuration parsing error */
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- slave = GNUNET_malloc (sizeof (struct Slave));
- slave->host_id = delegated_host_id;
- slave_list_add (slave);
- if (1 != msg->is_subordinate)
- {
- slave->controller =
- GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
- master_context->event_mask,
- &slave_event_callback, slave);
- slave->cfg = cfg;
- if (NULL != slave->controller)
- send_operation_success_msg (client, GNUNET_ntohll (msg->operation_id));
- else
- send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
- "Could not connect to delegated controller");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- lcc = GNUNET_malloc (sizeof (struct LinkControllersContext));
- lcc->operation_id = GNUNET_ntohll (msg->operation_id);
- GNUNET_SERVER_client_keep (client);
- lcc->client = client;
- slave->lcc = lcc;
- slave->controller_proc =
- GNUNET_TESTBED_controller_start (master_context->master_ip,
- host_list[slave->host_id], cfg,
- &slave_status_callback, slave);
- GNUNET_CONFIGURATION_destroy (cfg);
- new_route = GNUNET_malloc (sizeof (struct Route));
- new_route->dest = delegated_host_id;
- new_route->thru = master_context->host_id;
- route_list_add (new_route);
- return;
- }
-
- /* Route the request */
- if (slave_host_id >= route_list_size)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "No route towards slave host");
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- lcfq = GNUNET_malloc (sizeof (struct LCFContextQueue));
- lcfq->lcf = GNUNET_malloc (sizeof (struct LCFContext));
- lcfq->lcf->delegated_host_id = delegated_host_id;
- lcfq->lcf->slave_host_id = slave_host_id;
- route = find_dest_route (slave_host_id);
- GNUNET_assert (NULL != route); /* because we add routes carefully */
- GNUNET_assert (route->dest < slave_list_size);
- GNUNET_assert (NULL != slave_list[route->dest]);
- lcfq->lcf->state = INIT;
- lcfq->lcf->operation_id = GNUNET_ntohll (msg->operation_id);
- lcfq->lcf->gateway = slave_list[route->dest];
- lcfq->lcf->msg = GNUNET_malloc (msize);
- (void) memcpy (lcfq->lcf->msg, msg, msize);
- GNUNET_SERVER_client_keep (client);
- lcfq->lcf->client = client;
- if (NULL == lcfq_head)
- {
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
- GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
- lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq->lcf);
- }
- else
- GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
- /* FIXME: Adding a new route should happen after the controllers are linked
- * successfully */
- if (1 != msg->is_subordinate)
- {
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- if ((delegated_host_id < route_list_size)
- && (NULL != route_list[delegated_host_id]))
- {
- GNUNET_break_op (0); /* Are you trying to link delegated host twice
- with is subordinate flag set to GNUNET_YES?
*/
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- new_route = GNUNET_malloc (sizeof (struct Route));
- new_route->dest = delegated_host_id;
- new_route->thru = route->dest;
- route_list_add (new_route);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * The task to be executed if the forwarded peer create operation has been
- * timed out
- *
- * @param cls the FowardedOperationContext
- * @param tc the TaskContext from the scheduler
- */
-static void
-peer_create_forward_timeout (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct ForwardedOperationContext *fo_ctxt = cls;
-
- /* send error msg to client */
- send_operation_fail_msg (fo_ctxt->client, fo_ctxt->operation_id, "Timedout");
- GNUNET_SERVER_client_drop (fo_ctxt->client);
- GNUNET_TESTBED_forward_operation_msg_cancel_ (fo_ctxt->opc);
- GNUNET_free (fo_ctxt);
-}
-
-
-/**
- * Callback to be called when forwarded peer create operation is
- * successfull. We have to relay the reply msg back to the client
- *
- * @param cls ForwardedOperationContext
- * @param msg the peer create success message
- */
-static void
-peer_create_success_cb (void *cls, const struct GNUNET_MessageHeader *msg)
-{
- struct ForwardedOperationContext *fo_ctxt = cls;
- const struct GNUNET_TESTBED_PeerCreateSuccessEventMessage *success_msg;
- struct GNUNET_MessageHeader *dup_msg;
- struct Peer *peer;
- uint16_t msize;
-
- GNUNET_SCHEDULER_cancel (fo_ctxt->timeout_task);
- if (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS)
- {
- success_msg =
- (const struct GNUNET_TESTBED_PeerCreateSuccessEventMessage *) msg;
- peer = GNUNET_malloc (sizeof (struct Peer));
- peer->is_remote = GNUNET_YES;
- peer->id = ntohl (success_msg->peer_id);
- GNUNET_assert (NULL != fo_ctxt->cls);
- peer->details.remote.controller = fo_ctxt->cls;
- peer_list_add (peer);
- }
- msize = ntohs (msg->size);
- dup_msg = GNUNET_malloc (msize);
- (void) memcpy (dup_msg, msg, msize);
- queue_message (fo_ctxt->client, dup_msg);
- GNUNET_SERVER_client_drop (fo_ctxt->client);
- GNUNET_free (fo_ctxt);
-}
-
-
-
-/**
- * Handler for GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_peer_create (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_PeerCreateMessage *msg;
- struct GNUNET_TESTBED_PeerCreateSuccessEventMessage *reply;
- struct GNUNET_CONFIGURATION_Handle *cfg;
- struct ForwardedOperationContext *fo_ctxt;
- struct Route *route;
- struct Peer *peer;
- char *config;
- size_t dest_size;
- int ret;
- uint32_t config_size;
- uint32_t host_id;
- uint32_t peer_id;
- uint16_t msize;
-
-
- msize = ntohs (message->size);
- if (msize <= sizeof (struct GNUNET_TESTBED_PeerCreateMessage))
- {
- GNUNET_break (0); /* We need configuration */
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- msg = (const struct GNUNET_TESTBED_PeerCreateMessage *) message;
- host_id = ntohl (msg->host_id);
- peer_id = ntohl (msg->peer_id);
- if (UINT32_MAX == peer_id)
- {
- send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
- "Cannot create peer with given ID");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- if (host_id == master_context->host_id)
- {
- char *emsg;
-
- /* We are responsible for this peer */
- msize -= sizeof (struct GNUNET_TESTBED_PeerCreateMessage);
- config_size = ntohl (msg->config_size);
- config = GNUNET_malloc (config_size);
- dest_size = config_size;
- if (Z_OK !=
- (ret =
- uncompress ((Bytef *) config, (uLongf *) & dest_size,
- (const Bytef *) &msg[1], (uLong) msize)))
- {
- GNUNET_break (0); /* uncompression error */
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- if (config_size != dest_size)
- {
- GNUNET_break (0); /* Uncompressed config size mismatch */
- GNUNET_free (config);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- cfg = GNUNET_CONFIGURATION_create ();
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
- {
- GNUNET_break (0); /* Configuration parsing error */
- GNUNET_free (config);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- GNUNET_free (config);
- peer = GNUNET_malloc (sizeof (struct Peer));
- peer->is_remote = GNUNET_NO;
- peer->details.local.cfg = cfg;
- peer->id = peer_id;
- LOG_DEBUG ("Creating peer with id: %u\n", peer->id);
- peer->details.local.peer =
- GNUNET_TESTING_peer_configure (master_context->system,
- peer->details.local.cfg, peer->id,
- NULL /* Peer id */ ,
- &emsg);
- if (NULL == peer->details.local.peer)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "Configuring peer failed: %s\n", emsg);
- GNUNET_free (emsg);
- GNUNET_free (peer);
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- peer->details.local.is_running = GNUNET_NO;
- peer_list_add (peer);
- reply =
- GNUNET_malloc (sizeof
- (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
- reply->header.size =
- htons (sizeof (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
- reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS);
- reply->peer_id = msg->peer_id;
- reply->operation_id = msg->operation_id;
- queue_message (client, &reply->header);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
-
- /* Forward peer create request */
- route = find_dest_route (host_id);
- if (NULL == route)
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- fo_ctxt = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
- GNUNET_SERVER_client_keep (client);
- fo_ctxt->client = client;
- fo_ctxt->operation_id = GNUNET_ntohll (msg->operation_id);
- fo_ctxt->cls = slave_list[route->dest]->controller;
- fo_ctxt->opc =
- GNUNET_TESTBED_forward_operation_msg_ (slave_list
- [route->dest]->controller,
- fo_ctxt->operation_id,
- &msg->header,
- peer_create_success_cb, fo_ctxt);
- fo_ctxt->timeout_task =
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &peer_create_forward_timeout,
- fo_ctxt);
-
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_peer_destroy (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_PeerDestroyMessage *msg;
- struct ForwardedOperationContext *fopc;
- struct Peer *peer;
- uint32_t peer_id;
-
- msg = (const struct GNUNET_TESTBED_PeerDestroyMessage *) message;
- peer_id = ntohl (msg->peer_id);
- LOG_DEBUG ("Received peer destory on peer: %u and operation id: %ul\n",
- peer_id, GNUNET_ntohll (msg->operation_id));
- if ((peer_list_size <= peer_id) || (NULL == peer_list[peer_id]))
- {
- LOG (GNUNET_ERROR_TYPE_ERROR,
- "Asked to destroy a non existent peer with id: %u\n", peer_id);
- send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
- "Peer doesn't exist");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- peer = peer_list[peer_id];
- if (GNUNET_YES == peer->is_remote)
- {
- /* Forward the destory message to sub controller */
- fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
- GNUNET_SERVER_client_keep (client);
- fopc->client = client;
- fopc->operation_id = GNUNET_ntohll (msg->operation_id);
- fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
- fopc->operation_id,
&msg->header,
-
&forwarded_operation_reply_relay,
- fopc);
- fopc->timeout_task =
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
- fopc);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- GNUNET_TESTING_peer_destroy (peer->details.local.peer);
- GNUNET_CONFIGURATION_destroy (peer->details.local.cfg);
- peer_list_remove (peer);
- GNUNET_free (peer);
- send_operation_success_msg (client, GNUNET_ntohll (msg->operation_id));
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_peer_start (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_PeerStartMessage *msg;
- struct GNUNET_TESTBED_PeerEventMessage *reply;
- struct ForwardedOperationContext *fopc;
- struct Peer *peer;
- uint32_t peer_id;
-
- msg = (const struct GNUNET_TESTBED_PeerStartMessage *) message;
- peer_id = ntohl (msg->peer_id);
- if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
- {
- GNUNET_break (0);
- LOG (GNUNET_ERROR_TYPE_ERROR,
- "Asked to start a non existent peer with id: %u\n", peer_id);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- peer = peer_list[peer_id];
- if (GNUNET_YES == peer->is_remote)
- {
- fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
- GNUNET_SERVER_client_keep (client);
- fopc->client = client;
- fopc->operation_id = GNUNET_ntohll (msg->operation_id);
- fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
- fopc->operation_id,
&msg->header,
-
&forwarded_operation_reply_relay,
- fopc);
- fopc->timeout_task =
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
- fopc);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- if (GNUNET_OK != GNUNET_TESTING_peer_start (peer->details.local.peer))
- {
- send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
- "Failed to start");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- peer->details.local.is_running = GNUNET_YES;
- reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
- reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
- reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
- reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_START);
- reply->host_id = htonl (master_context->host_id);
- reply->peer_id = msg->peer_id;
- reply->operation_id = msg->operation_id;
- queue_message (client, &reply->header);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_peer_stop (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_PeerStopMessage *msg;
- struct GNUNET_TESTBED_PeerEventMessage *reply;
- struct ForwardedOperationContext *fopc;
- struct Peer *peer;
- uint32_t peer_id;
-
- msg = (const struct GNUNET_TESTBED_PeerStopMessage *) message;
- peer_id = ntohl (msg->peer_id);
- if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
- {
- send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
- "Peer not found");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- peer = peer_list[peer_id];
- if (GNUNET_YES == peer->is_remote)
- {
- fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
- GNUNET_SERVER_client_keep (client);
- fopc->client = client;
- fopc->operation_id = GNUNET_ntohll (msg->operation_id);
- fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
- fopc->operation_id,
&msg->header,
-
&forwarded_operation_reply_relay,
- fopc);
- fopc->timeout_task =
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
- fopc);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- if (GNUNET_OK != GNUNET_TESTING_peer_stop (peer->details.local.peer))
- {
- send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
- "Peer not running");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- peer->details.local.is_running = GNUNET_NO;
- reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
- reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
- reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
- reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_STOP);
- reply->host_id = htonl (master_context->host_id);
- reply->peer_id = msg->peer_id;
- reply->operation_id = msg->operation_id;
- queue_message (client, &reply->header);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_peer_get_config (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_PeerGetConfigurationMessage *msg;
- struct GNUNET_TESTBED_PeerConfigurationInformationMessage *reply;
- struct Peer *peer;
- char *config;
- char *xconfig;
- size_t c_size;
- size_t xc_size;
- uint32_t peer_id;
- uint16_t msize;
-
- msg = (const struct GNUNET_TESTBED_PeerGetConfigurationMessage *) message;
- peer_id = ntohl (msg->peer_id);
- if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
- {
- send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
- "Peer not found");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- peer = peer_list[peer_id];
- if (GNUNET_YES == peer->is_remote)
- {
- struct ForwardedOperationContext *fopc;
-
- fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
- GNUNET_SERVER_client_keep (client);
- fopc->client = client;
- fopc->operation_id = GNUNET_ntohll (msg->operation_id);
- fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
- fopc->operation_id,
&msg->header,
-
&forwarded_operation_reply_relay,
- fopc);
- fopc->timeout_task =
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
- fopc);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- config =
- GNUNET_CONFIGURATION_serialize (peer_list[peer_id]->details.local.cfg,
- &c_size);
- xc_size = GNUNET_TESTBED_compress_config_ (config, c_size, &xconfig);
- GNUNET_free (config);
- msize =
- xc_size +
- sizeof (struct GNUNET_TESTBED_PeerConfigurationInformationMessage);
- reply = GNUNET_realloc (xconfig, msize);
- (void) memmove (&reply[1], reply, xc_size);
- reply->header.size = htons (msize);
- reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG);
- reply->peer_id = msg->peer_id;
- reply->operation_id = msg->operation_id;
- GNUNET_TESTING_peer_get_identity (peer_list[peer_id]->details.local.peer,
- &reply->peer_identity);
- reply->config_size = htons ((uint16_t) c_size);
- queue_message (client, &reply->header);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * Task for cleaing up overlay connect context structure
- *
- * @param cls the overlay connect context
- * @param tc the task context
- */
-static void
-occ_cleanup (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct OverlayConnectContext *occ = cls;
-
- LOG_DEBUG ("Cleaning up occ\n");
- GNUNET_free_non_null (occ->emsg);
- GNUNET_free_non_null (occ->hello);
- GNUNET_SERVER_client_drop (occ->client);
- if (NULL != occ->opc)
- GNUNET_TESTBED_forward_operation_msg_cancel_ (occ->opc);
- if (GNUNET_SCHEDULER_NO_TASK != occ->send_hello_task)
- GNUNET_SCHEDULER_cancel (occ->send_hello_task);
- if (NULL != occ->ch)
- GNUNET_CORE_disconnect (occ->ch);
- if (NULL != occ->ghh)
- GNUNET_TRANSPORT_get_hello_cancel (occ->ghh);
- if (NULL != occ->p1th)
- GNUNET_TRANSPORT_disconnect (occ->p1th);
- if (NULL != occ->p2th)
- GNUNET_TRANSPORT_disconnect (occ->p2th);
- GNUNET_free (occ);
-}
-
-
-/**
- * Task which will be run when overlay connect request has been timed out
- *
- * @param cls the OverlayConnectContext
- * @param tc the TaskContext
- */
-static void
-timeout_overlay_connect (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct OverlayConnectContext *occ = cls;
-
- occ->timeout_task = GNUNET_SCHEDULER_NO_TASK;
- send_operation_fail_msg (occ->client, occ->op_id, occ->emsg);
- occ_cleanup (occ, tc);
-}
-
-
-
-/**
- * Function called to notify transport users that another
- * peer connected to us.
- *
- * @param cls closure
- * @param new_peer the peer that connected
- * @param ats performance data
- * @param ats_count number of entries in ats (excluding 0-termination)
- */
-static void
-overlay_connect_notify (void *cls, const struct GNUNET_PeerIdentity *new_peer,
- const struct GNUNET_ATS_Information *ats,
- unsigned int ats_count)
-{
- struct OverlayConnectContext *occ = cls;
- struct GNUNET_TESTBED_ConnectionEventMessage *msg;
- char *new_peer_str;
- char *other_peer_str;
-
- LOG_DEBUG ("Overlay connect notify\n");
- if (0 ==
- memcmp (new_peer, &occ->peer_identity,
- sizeof (struct GNUNET_PeerIdentity)))
- return;
- new_peer_str = GNUNET_strdup (GNUNET_i2s (new_peer));
- other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
- if (0 !=
- memcmp (new_peer, &occ->other_peer_identity,
- sizeof (struct GNUNET_PeerIdentity)))
- {
- LOG_DEBUG ("Unexpected peer %4s connected when expecting peer %4s\n",
- new_peer_str, other_peer_str);
- GNUNET_free (new_peer_str);
- GNUNET_free (other_peer_str);
- return;
- }
- GNUNET_free (new_peer_str);
- LOG_DEBUG ("Peer %4s connected to peer %4s\n", other_peer_str,
- GNUNET_i2s (&occ->peer_identity));
- GNUNET_free (other_peer_str);
- if (GNUNET_SCHEDULER_NO_TASK != occ->send_hello_task)
- {
- GNUNET_SCHEDULER_cancel (occ->send_hello_task);
- occ->send_hello_task = GNUNET_SCHEDULER_NO_TASK;
- }
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK != occ->timeout_task);
- GNUNET_SCHEDULER_cancel (occ->timeout_task);
- occ->timeout_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_free_non_null (occ->emsg);
- occ->emsg = NULL;
- if (NULL != occ->p2th)
- GNUNET_TRANSPORT_disconnect (occ->p2th);
- occ->p2th = NULL;
- LOG_DEBUG ("Peers connected - Sending overlay connect success\n");
- msg = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
- msg->header.size =
- htons (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
- msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONEVENT);
- msg->event_type = htonl (GNUNET_TESTBED_ET_CONNECT);
- msg->peer1 = htonl (occ->peer_id);
- msg->peer2 = htonl (occ->other_peer_id);
- msg->operation_id = GNUNET_htonll (occ->op_id);
- queue_message (occ->client, &msg->header);
- GNUNET_SCHEDULER_add_now (&occ_cleanup, occ);
-}
-
-
-/**
- * Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to
- * peer 1.
- *
- * @param cls the OverlayConnectContext
- * @param tc the TaskContext from scheduler
- */
-static void
-send_hello (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct OverlayConnectContext *occ = cls;
- char *other_peer_str;
-
- occ->send_hello_task = GNUNET_SCHEDULER_NO_TASK;
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- return;
- GNUNET_assert (NULL != occ->hello);
- other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
- if (NULL != occ->peer2_controller)
- {
- struct GNUNET_TESTBED_RequestConnectMessage *msg;
- uint16_t msize;
- uint16_t hello_size;
-
- LOG_DEBUG ("Offering HELLO of %s to %s via Remote Overlay Request\n",
- GNUNET_i2s (&occ->peer_identity), other_peer_str);
- hello_size = ntohs (occ->hello->size);
- msize = sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hello_size;
- msg = GNUNET_malloc (msize);
- msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT);
- msg->header.size = htons (msize);
- msg->peer = htonl (occ->other_peer_id);
- msg->operation_id = GNUNET_htonll (occ->op_id);
- (void) memcpy (&msg->peer_identity, &occ->peer_identity,
- sizeof (struct GNUNET_PeerIdentity));
- memcpy (msg->hello, occ->hello, hello_size);
- GNUNET_TESTBED_queue_message_ (occ->peer2_controller, &msg->header);
- }
- else
- {
- LOG_DEBUG ("Offering HELLO of %s to %s\n",
- GNUNET_i2s (&occ->peer_identity), other_peer_str);
- GNUNET_TRANSPORT_offer_hello (occ->p2th, occ->hello, NULL, NULL);
- GNUNET_TRANSPORT_try_connect (occ->p2th, &occ->peer_identity);
- occ->send_hello_task =
- GNUNET_SCHEDULER_add_delayed
- (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
- 100 * (pow (2, occ->retries++))),
- &send_hello, occ);
- }
- GNUNET_free (other_peer_str);
-}
-
-/**
- * Test for checking whether HELLO message is empty
- *
- * @param cls empty flag to set
- * @param address the HELLO
- * @param expiration expiration of the HELLO
- * @return
- */
-static int
-test_address (void *cls, const struct GNUNET_HELLO_Address *address,
- struct GNUNET_TIME_Absolute expiration)
-{
- int *empty = cls;
-
- *empty = GNUNET_NO;
- return GNUNET_OK;
-}
-
-
-/**
- * Function called whenever there is an update to the HELLO of peers in the
- * OverlayConnectClosure. If we have a valid HELLO, we connect to the peer 2's
- * transport and offer peer 1's HELLO and ask peer 2 to connect to peer 1
- *
- * @param cls closure
- * @param hello our updated HELLO
- */
-static void
-hello_update_cb (void *cls, const struct GNUNET_MessageHeader *hello)
-{
- struct OverlayConnectContext *occ = cls;
- int empty;
- uint16_t msize;
-
- msize = ntohs (hello->size);
- empty = GNUNET_YES;
- (void) GNUNET_HELLO_iterate_addresses ((const struct GNUNET_HELLO_Message *)
- hello, GNUNET_NO, &test_address,
- &empty);
- if (GNUNET_YES == empty)
- {
- LOG_DEBUG ("HELLO of %s is empty\n", GNUNET_i2s (&occ->peer_identity));
- return;
- }
- LOG_DEBUG ("Received HELLO of %s\n", GNUNET_i2s (&occ->peer_identity));
- occ->hello = GNUNET_malloc (msize);
- memcpy (occ->hello, hello, msize);
- GNUNET_TRANSPORT_get_hello_cancel (occ->ghh);
- occ->ghh = NULL;
- GNUNET_TRANSPORT_disconnect (occ->p1th);
- occ->p1th = NULL;
- GNUNET_free_non_null (occ->emsg);
- if (NULL == occ->peer2_controller)
- {
- occ->p2th =
- GNUNET_TRANSPORT_connect
(peer_list[occ->other_peer_id]->details.local.cfg,
- &occ->other_peer_identity, NULL, NULL, NULL,
- NULL);
- if (NULL == occ->p2th)
- {
- GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of %s\n",
- GNUNET_i2s (&occ->other_peer_identity));
- GNUNET_SCHEDULER_cancel (occ->timeout_task);
- occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect,
occ);
- return;
- }
- }
- occ->emsg = GNUNET_strdup ("Timeout while offering HELLO to other peer");
- occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
-}
-
-
-/**
- * Function called after GNUNET_CORE_connect has succeeded (or failed
- * for good). Note that the private key of the peer is intentionally
- * not exposed here; if you need it, your process should try to read
- * the private key file directly (which should work if you are
- * authorized...).
- *
- * @param cls closure
- * @param server handle to the server, NULL if we failed
- * @param my_identity ID of this peer, NULL if we failed
- */
-static void
-core_startup_cb (void *cls, struct GNUNET_CORE_Handle *server,
- const struct GNUNET_PeerIdentity *my_identity)
-{
- struct OverlayConnectContext *occ = cls;
-
- GNUNET_free_non_null (occ->emsg);
- occ->emsg = GNUNET_strdup ("Failed to connect to CORE\n");
- if ((NULL == server) || (NULL == my_identity))
- goto error_return;
- GNUNET_free (occ->emsg);
- occ->ch = server;
- occ->emsg = NULL;
- memcpy (&occ->peer_identity, my_identity,
- sizeof (struct GNUNET_PeerIdentity));
- occ->p1th =
- GNUNET_TRANSPORT_connect (occ->peer->details.local.cfg,
- &occ->peer_identity, NULL, NULL, NULL, NULL);
- if (NULL == occ->p1th)
- {
- GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of peers %4s",
- GNUNET_i2s (&occ->peer_identity));
- goto error_return;
- }
- LOG_DEBUG ("Acquiring HELLO of peer %s\n", GNUNET_i2s (&occ->peer_identity));
- occ->emsg = GNUNET_strdup ("Timeout while acquiring HELLO message");
- occ->ghh = GNUNET_TRANSPORT_get_hello (occ->p1th, &hello_update_cb, occ);
- return;
-
- error_return:
- GNUNET_SCHEDULER_cancel (occ->timeout_task);
- occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
- return;
-}
-
-
-/**
- * Callback to be called when forwarded get peer config operation as part of
- * overlay connect is successfull. Connection to Peer 1's core is made and is
- * checked for new connection from peer 2
- *
- * @param cls ForwardedOperationContext
- * @param msg the peer create success message
- */
-static void
-overlay_connect_get_config (void *cls, const struct GNUNET_MessageHeader *msg)
-{
- struct OverlayConnectContext *occ = cls;
- const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *cmsg;
- const struct GNUNET_CORE_MessageHandler no_handlers[] = {
- {NULL, 0, 0}
- };
-
- occ->opc = NULL;
- if (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG != ntohs (msg->type))
- goto error_return;
- cmsg = (const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *)
- msg;
- memcpy (&occ->other_peer_identity, &cmsg->peer_identity,
- sizeof (struct GNUNET_PeerIdentity));
- GNUNET_free_non_null (occ->emsg);
- occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
- occ->ch =
- GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
- &overlay_connect_notify, NULL, NULL, GNUNET_NO,
NULL,
- GNUNET_NO, no_handlers);
- if (NULL == occ->ch)
- goto error_return;
- return;
-
- error_return:
- GNUNET_SCHEDULER_cancel (occ->timeout_task);
- occ->timeout_task =
- GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
-}
-
-
-/**
- * Callback to be called when forwarded overlay connection operation has a
reply
- * from the sub-controller successfull. We have to relay the reply msg back to
- * the client
- *
- * @param cls ForwardedOperationContext
- * @param msg the peer create success message
- */
-static void
-forwarded_overlay_connect_listener (void *cls,
- const struct GNUNET_MessageHeader *msg)
-{
- struct ForwardedOperationContext *fopc = cls;
- struct ForwardedOverlayConnectContext *focc;
- struct GNUNET_TESTBED_NeedControllerConfig *rmsg;
- struct Slave *slave;
- uint32_t host_id;
-
- if (GNUNET_MESSAGE_TYPE_TESTBED_NEEDCONTROLLERCONFIG != ntohs (msg->type))
- {
- forwarded_operation_reply_relay (cls, msg);
- return;
- }
- rmsg = (struct GNUNET_TESTBED_NeedControllerConfig *) msg;
- host_id = ntohl (rmsg->controller_host_id);
- if ((host_id >= slave_list_size) || (NULL == slave_list[host_id]))
- {
- /* We too do not have the requested controllers configuration; escalate it
- to our boss */
- forwarded_operation_reply_relay (cls, msg);
- return;
- }
- slave = slave_list[host_id];
- GNUNET_assert (NULL != slave->cfg);
- //GNUNET_TESTBED_controller_link_with_opid (
-}
-
-
-/**
- * Handler for GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_overlay_connect (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_OverlayConnectMessage *msg;
- struct OverlayConnectContext *occ;
- const struct GNUNET_CORE_MessageHandler no_handlers[] = {
- {NULL, 0, 0}
- };
- struct Peer *peer;
- uint64_t operation_id;
- uint32_t p1;
- uint32_t p2;
-
- msg = (const struct GNUNET_TESTBED_OverlayConnectMessage *) message;
- p1 = ntohl (msg->peer1);
- p2 = ntohl (msg->peer2);
- GNUNET_assert (p1 < peer_list_size);
- GNUNET_assert (NULL != peer_list[p1]);
- peer = peer_list[p1];
- operation_id = GNUNET_ntohll (msg->operation_id);
- if (GNUNET_YES == peer->is_remote)
- {
- struct ForwardedOperationContext *fopc;
-
- LOG_DEBUG ("Forwarding overlay connect\n");
- fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
- GNUNET_SERVER_client_keep (client);
- fopc->client = client;
- fopc->operation_id = operation_id;
- fopc->opc =
- GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.controller,
- operation_id, message,
- &forwarded_operation_reply_relay,
- fopc);
- fopc->timeout_task =
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
- fopc);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- occ = GNUNET_malloc (sizeof (struct OverlayConnectContext));
- GNUNET_SERVER_client_keep (client);
- occ->client = client;
- occ->peer_id = p1;
- occ->other_peer_id = p2;
- occ->peer = peer_list[p1];
- occ->op_id = GNUNET_ntohll (msg->operation_id);
- if ((p2 >= peer_list_size) || (NULL == peer_list[p2]))
- {
- uint32_t peer2_host_id;
-
- peer2_host_id = ntohl (msg->peer2_host_id);
- if ((peer2_host_id >= slave_list_size)
- || (NULL ==slave_list[peer2_host_id]))
- {
- struct GNUNET_TESTBED_NeedControllerConfig *reply;
-
- GNUNET_free (occ);
- reply = GNUNET_malloc (sizeof (struct
- GNUNET_TESTBED_NeedControllerConfig));
- reply->header.size = htons (sizeof (struct
-
GNUNET_TESTBED_NeedControllerConfig));
- reply->header.type = htons
(GNUNET_MESSAGE_TYPE_TESTBED_NEEDCONTROLLERCONFIG);
- reply->controller_host_id = msg->peer2_host_id;
- reply->operation_id = msg->operation_id;
- queue_message (client, &reply->header);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- else
- {
- occ->peer2_controller = slave_list[peer2_host_id]->controller;
- if (NULL == occ->peer2_controller)
- {
- GNUNET_break (0); /* What's going on? */
- GNUNET_SERVER_client_drop (client);
- GNUNET_free (occ);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- }
- }
- else
- {
- if (GNUNET_YES == peer_list[occ->other_peer_id]->is_remote)
- occ->peer2_controller =
peer_list[occ->other_peer_id]->details.remote.controller;
- }
- /* Get the identity of the second peer */
- if (NULL != occ->peer2_controller)
- {
- struct GNUNET_TESTBED_PeerGetConfigurationMessage cmsg;
-
- cmsg.header.size =
- htons (sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage));
- cmsg.header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG);
- cmsg.peer_id = msg->peer2;
- cmsg.operation_id = msg->operation_id;
- occ->opc =
- GNUNET_TESTBED_forward_operation_msg_ (occ->peer2_controller,
- occ->op_id, &cmsg.header,
- &overlay_connect_get_config,
- occ);
- occ->emsg =
- GNUNET_strdup ("Timeout while getting peer identity of peer B\n");
- occ->timeout_task =
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
- (GNUNET_TIME_UNIT_SECONDS, 30),
- &timeout_overlay_connect, occ);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- GNUNET_TESTING_peer_get_identity
(peer_list[occ->other_peer_id]->details.local.peer,
- &occ->other_peer_identity);
- /* Connect to the core of 1st peer and wait for the 2nd peer to connect */
- occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
- occ->ch =
- GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
- &overlay_connect_notify, NULL, NULL, GNUNET_NO,
NULL,
- GNUNET_NO, no_handlers);
- if (NULL == occ->ch)
- occ->timeout_task =
- GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
- else
- occ->timeout_task =
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
- (GNUNET_TIME_UNIT_SECONDS, 30),
- &timeout_overlay_connect, occ);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * Function to cleanup RequestOverlayConnectContext and any associated tasks
- * with it
- *
- * @param rocc the RequestOverlayConnectContext
- */
-static void
-cleanup_rocc (struct RequestOverlayConnectContext *rocc)
-{
- if (GNUNET_SCHEDULER_NO_TASK != rocc->attempt_connect_task_id)
- GNUNET_SCHEDULER_cancel (rocc->attempt_connect_task_id);
- if (GNUNET_SCHEDULER_NO_TASK != rocc->timeout_rocc_task_id)
- GNUNET_SCHEDULER_cancel (rocc->timeout_rocc_task_id);
- GNUNET_TRANSPORT_disconnect (rocc->th);
- GNUNET_free_non_null (rocc->hello);
- GNUNET_free (rocc);
-}
-
-
-/**
- * Task to timeout rocc and cleanit up
- *
- * @param cls the RequestOverlayConnectContext
- * @param tc the TaskContext from scheduler
- */
-static void
-timeout_rocc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct RequestOverlayConnectContext *rocc = cls;
-
- rocc->timeout_rocc_task_id = GNUNET_SCHEDULER_NO_TASK;
- cleanup_rocc (rocc);
-}
-
-
-/**
- * Function called to notify transport users that another
- * peer connected to us.
- *
- * @param cls closure
- * @param new_peer the peer that connected
- * @param ats performance data
- * @param ats_count number of entries in ats (excluding 0-termination)
- */
-static void
-transport_connect_notify (void *cls, const struct GNUNET_PeerIdentity
*new_peer,
- const struct GNUNET_ATS_Information * ats,
- uint32_t ats_count)
-{
- struct RequestOverlayConnectContext *rocc = cls;
-
- LOG_DEBUG ("Request Overlay connect notify\n");
- if (0 != memcmp (new_peer, &rocc->a_id, sizeof (struct GNUNET_PeerIdentity)))
- return;
- LOG_DEBUG ("Peer %4s connected\n", GNUNET_i2s (&rocc->a_id));
- cleanup_rocc (rocc);
-}
-
-
-/**
- * Task to offer the HELLO message to the peer and ask it to connect to the
peer
- * whose identity is in RequestOverlayConnectContext
- *
- * @param cls the RequestOverlayConnectContext
- * @param tc the TaskContext from scheduler
- */
-static void
-attempt_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct RequestOverlayConnectContext *rocc = cls;
-
- rocc->attempt_connect_task_id = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_TRANSPORT_offer_hello (rocc->th, rocc->hello, NULL, NULL);
- GNUNET_TRANSPORT_try_connect (rocc->th, &rocc->a_id);
- rocc->attempt_connect_task_id =
- GNUNET_SCHEDULER_add_delayed
- (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
- 100 * (pow (2, rocc->retries++))),
- &attempt_connect_task, rocc);
-}
-
-
-/**
- * Handler for GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_overlay_request_connect (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- const struct GNUNET_TESTBED_RequestConnectMessage *msg;
- struct RequestOverlayConnectContext *rocc;
- struct Peer *peer;
- uint32_t peer_id;
- uint16_t msize;
- uint16_t hsize;
-
- msize = ntohs (message->size);
- if (sizeof (struct GNUNET_TESTBED_RequestConnectMessage) >= msize)
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- msg = (const struct GNUNET_TESTBED_RequestConnectMessage *) message;
- if ((NULL == msg->hello) ||
- (GNUNET_MESSAGE_TYPE_HELLO != ntohs (msg->hello->type)))
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- hsize = ntohs (msg->hello->size);
- if ((sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hsize) != msize)
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- peer_id = ntohl (msg->peer);
- if ((peer_id >= peer_list_size) || (NULL == (peer = peer_list[peer_id])))
- {
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- if (GNUNET_YES == peer->is_remote)
- {
- struct GNUNET_MessageHeader *msg2;
-
- msg2 = GNUNET_malloc (msize);
- (void) memcpy (msg2, message, msize);
- GNUNET_TESTBED_queue_message_ (peer->details.remote.controller, msg2);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- rocc = GNUNET_malloc (sizeof (struct RequestOverlayConnectContext));
- rocc->th = GNUNET_TRANSPORT_connect (peer->details.local.cfg, NULL, rocc,
- NULL, &transport_connect_notify, NULL);
- if (NULL == rocc->th)
- {
- GNUNET_break (0);
- GNUNET_free (rocc);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- memcpy (&rocc->a_id, &msg->peer_identity,
- sizeof (struct GNUNET_PeerIdentity));
- rocc->hello = GNUNET_malloc (hsize);
- memcpy (rocc->hello, msg->hello, hsize);
- rocc->attempt_connect_task_id =
- GNUNET_SCHEDULER_add_now (&attempt_connect_task, rocc);
- rocc->timeout_rocc_task_id =
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_rocc_task, rocc);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG messages
- *
- * @param cls NULL
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_slave_get_config (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- struct GNUNET_TESTBED_SlaveGetConfigurationMessage *msg;
- struct Slave *slave;
- struct GNUNET_TESTBED_SlaveConfiguration *reply;
- char *config;
- char *xconfig;
- size_t config_size;
- size_t xconfig_size;
- size_t reply_size;
- uint64_t op_id;
- uint32_t slave_id;
-
- msg = (struct GNUNET_TESTBED_SlaveGetConfigurationMessage *) message;
- slave_id = ntohl (msg->slave_id);
- op_id = GNUNET_ntohll (msg->operation_id);
- if ((slave_list_size <= slave_id) || (NULL == slave_list[slave_id]))
- {
- send_operation_fail_msg (client, op_id, "Slave not found");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- slave = slave_list[slave_id];
- if (NULL == slave->cfg)
- {
- send_operation_fail_msg (client, op_id,
- "Configuration not found (slave not started by
me)");
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- config = GNUNET_CONFIGURATION_serialize (slave->cfg, &config_size);
- xconfig_size = GNUNET_TESTBED_compress_config_ (config, config_size,
- &xconfig);
- GNUNET_free (config);
- reply_size = xconfig_size + sizeof (struct
GNUNET_TESTBED_SlaveConfiguration);
- GNUNET_break (reply_size <= UINT16_MAX);
- GNUNET_break (config_size <= UINT16_MAX);
- reply = GNUNET_realloc (xconfig, reply_size);
- (void) memmove (&reply[1], reply, xconfig_size);
- reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_SLAVECONFIG);
- reply->header.size = htons ((uint16_t) reply_size);
- reply->slave_id = msg->slave_id;
- reply->operation_id = msg->operation_id;
- reply->config_size = htons ((uint16_t) config_size);
- queue_message (client, &reply->header);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
-/**
- * Iterator over hash map entries.
- *
- * @param cls closure
- * @param key current key code
- * @param value value in the hash map
- * @return GNUNET_YES if we should continue to
- * iterate,
- * GNUNET_NO if not.
- */
-static int
-ss_map_free_iterator (void *cls, const struct GNUNET_HashCode *key, void
*value)
-{
- struct SharedService *ss = value;
-
- GNUNET_assert (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_remove (ss_map, key, value));
- GNUNET_free (ss->name);
- GNUNET_free (ss);
- return GNUNET_YES;
-}
-
-
-/**
- * Task to clean up and shutdown nicely
- *
- * @param cls NULL
- * @param tc the TaskContext from scheduler
- */
-static void
-shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct LCFContextQueue *lcfq;
- uint32_t id;
-
- shutdown_task_id = GNUNET_SCHEDULER_NO_TASK;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down testbed service\n");
- (void) GNUNET_CONTAINER_multihashmap_iterate (ss_map, &ss_map_free_iterator,
- NULL);
- GNUNET_CONTAINER_multihashmap_destroy (ss_map);
- if (NULL != lcfq_head)
- {
- if (GNUNET_SCHEDULER_NO_TASK != lcf_proc_task_id)
- {
- GNUNET_SCHEDULER_cancel (lcf_proc_task_id);
- lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
- }
- if (NULL != lcfq_head->lcf->rhandle)
- GNUNET_TESTBED_cancel_registration (lcfq_head->lcf->rhandle);
- }
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
- for (lcfq = lcfq_head; NULL != lcfq; lcfq = lcfq_head)
- {
- GNUNET_free (lcfq->lcf->msg);
- GNUNET_free (lcfq->lcf);
- GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
- GNUNET_free (lcfq);
- }
- /* Clear peer list */
- for (id = 0; id < peer_list_size; id++)
- if (NULL != peer_list[id])
- {
- if (GNUNET_NO == peer_list[id]->is_remote)
- {
- if (GNUNET_YES == peer_list[id]->details.local.is_running)
- GNUNET_TESTING_peer_stop (peer_list[id]->details.local.peer);
- GNUNET_TESTING_peer_destroy (peer_list[id]->details.local.peer);
- GNUNET_CONFIGURATION_destroy (peer_list[id]->details.local.cfg);
- }
- GNUNET_free (peer_list[id]);
- }
- GNUNET_free_non_null (peer_list);
- /* Clear host list */
- for (id = 0; id < host_list_size; id++)
- if (NULL != host_list[id])
- GNUNET_TESTBED_host_destroy (host_list[id]);
- GNUNET_free_non_null (host_list);
- /* Clear route list */
- for (id = 0; id < route_list_size; id++)
- if (NULL != route_list[id])
- GNUNET_free (route_list[id]);
- GNUNET_free_non_null (route_list);
- /* Clear slave_list */
- for (id = 0; id < slave_list_size; id++)
- if (NULL != slave_list[id])
- {
- if (NULL != slave_list[id]->cfg)
- GNUNET_CONFIGURATION_destroy (slave_list[id]->cfg);
- if (NULL != slave_list[id]->controller)
- GNUNET_TESTBED_controller_disconnect (slave_list[id]->controller);
- if (NULL != slave_list[id]->controller_proc)
- GNUNET_TESTBED_controller_stop (slave_list[id]->controller_proc);
- GNUNET_free (slave_list[id]);
- }
- GNUNET_free_non_null (slave_list);
- if (NULL != master_context)
- {
- GNUNET_free_non_null (master_context->master_ip);
- if (NULL != master_context->system)
- GNUNET_TESTING_system_destroy (master_context->system, GNUNET_YES);
- GNUNET_free (master_context);
- master_context = NULL;
- }
- GNUNET_free_non_null (hostname);
-}
-
-
-/**
- * Callback for client disconnect
- *
- * @param cls NULL
- * @param client the client which has disconnected
- */
-static void
-client_disconnect_cb (void *cls, struct GNUNET_SERVER_Client *client)
-{
- if (NULL == master_context)
- return;
- if (client == master_context->client)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Master client disconnected\n");
- GNUNET_SERVER_client_drop (client);
- /* should not be needed as we're terminated by failure to read
- * from stdin, but if stdin fails for some reason, this shouldn't
- * hurt for now --- might need to revise this later if we ever
- * decide that master connections might be temporarily down
- * for some reason */
- //GNUNET_SCHEDULER_shutdown ();
- }
-}
-
-
-/**
- * Testbed setup
- *
- * @param cls closure
- * @param server the initialized server
- * @param cfg configuration to use
- */
-static void
-testbed_run (void *cls, struct GNUNET_SERVER_Handle *server,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
-{
- static const struct GNUNET_SERVER_MessageHandler message_handlers[] = {
- {&handle_init, NULL, GNUNET_MESSAGE_TYPE_TESTBED_INIT, 0},
- {&handle_add_host, NULL, GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST, 0},
- {&handle_configure_shared_service, NULL,
- GNUNET_MESSAGE_TYPE_TESTBED_SERVICESHARE, 0},
- {&handle_link_controllers, NULL,
- GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS, 0},
- {&handle_peer_create, NULL, GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER, 0},
- {&handle_peer_destroy, NULL, GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER,
- sizeof (struct GNUNET_TESTBED_PeerDestroyMessage)},
- {&handle_peer_start, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STARTPEER,
- sizeof (struct GNUNET_TESTBED_PeerStartMessage)},
- {&handle_peer_stop, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STOPPEER,
- sizeof (struct GNUNET_TESTBED_PeerStopMessage)},
- {&handle_peer_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG,
- sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage)},
- {&handle_overlay_connect, NULL, GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT,
- sizeof (struct GNUNET_TESTBED_OverlayConnectMessage)},
- {&handle_overlay_request_connect, NULL,
GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT,
- 0},
- {handle_slave_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG,
- sizeof (struct GNUNET_TESTBED_SlaveGetConfigurationMessage)},
- {NULL}
- };
-
- GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string
- (cfg, "testbed", "HOSTNAME", &hostname));
- GNUNET_SERVER_add_handlers (server, message_handlers);
- GNUNET_SERVER_disconnect_notify (server, &client_disconnect_cb, NULL);
- ss_map = GNUNET_CONTAINER_multihashmap_create (5, GNUNET_NO);
- shutdown_task_id =
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
- &shutdown_task, NULL);
- LOG_DEBUG ("Testbed startup complete\n");
-}
-
-
-/**
- * The starting point of execution
- */
-int
-main (int argc, char *const *argv)
-{
- //sleep (15); /* Debugging */
- return (GNUNET_OK ==
- GNUNET_SERVICE_run (argc, argv, "testbed",
GNUNET_SERVICE_OPTION_NONE,
- &testbed_run, NULL)) ? 0 : 1;
-}
-
-/* end of gnunet-service-testbed.c */
Copied: gnunet/src/testbed/gnunet-service-testbed.c.new (from rev 24333,
gnunet/src/testbed/gnunet-service-testbed.c)
===================================================================
--- gnunet/src/testbed/gnunet-service-testbed.c.new
(rev 0)
+++ gnunet/src/testbed/gnunet-service-testbed.c.new 2012-10-16 15:44:16 UTC
(rev 24345)
@@ -0,0 +1,3608 @@
+/*
+ This file is part of GNUnet.
+ (C) 2012 Christian Grothoff (and other contributing authors)
+
+ GNUnet is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 2, or (at your
+ option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file testbed/gnunet-service-testbed.c
+ * @brief implementation of the TESTBED service
+ * @author Sree Harsha Totakura
+ */
+
+#include "platform.h"
+#include "gnunet_service_lib.h"
+#include "gnunet_server_lib.h"
+#include "gnunet_transport_service.h"
+#include "gnunet_core_service.h"
+#include "gnunet_hello_lib.h"
+#include <zlib.h>
+
+#include "gnunet_testbed_service.h"
+#include "testbed.h"
+#include "testbed_api.h"
+#include "testbed_api_hosts.h"
+#include "gnunet_testing_lib-new.h"
+
+/**
+ * Generic logging
+ */
+#define LOG(kind,...) \
+ GNUNET_log (kind, __VA_ARGS__)
+
+/**
+ * Debug logging
+ */
+#define LOG_DEBUG(...) \
+ LOG (GNUNET_ERROR_TYPE_DEBUG, __VA_ARGS__)
+
+/**
+ * By how much should the arrays lists grow
+ */
+#define LIST_GROW_STEP 10
+
+/**
+ * Default timeout for operations which may take some time
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 30)
+
+/**
+ * The main context information associated with the client which started us
+ */
+struct Context
+{
+ /**
+ * The client handle associated with this context
+ */
+ struct GNUNET_SERVER_Client *client;
+
+ /**
+ * The network address of the master controller
+ */
+ char *master_ip;
+
+ /**
+ * The TESTING system handle for starting peers locally
+ */
+ struct GNUNET_TESTING_System *system;
+
+ /**
+ * Our host id according to this context
+ */
+ uint32_t host_id;
+};
+
+
+/**
+ * The message queue for sending messages to clients
+ */
+struct MessageQueue
+{
+ /**
+ * The message to be sent
+ */
+ struct GNUNET_MessageHeader *msg;
+
+ /**
+ * The client to send the message to
+ */
+ struct GNUNET_SERVER_Client *client;
+
+ /**
+ * next pointer for DLL
+ */
+ struct MessageQueue *next;
+
+ /**
+ * prev pointer for DLL
+ */
+ struct MessageQueue *prev;
+};
+
+
+/**
+ * The structure for identifying a shared service
+ */
+struct SharedService
+{
+ /**
+ * The name of the shared service
+ */
+ char *name;
+
+ /**
+ * Number of shared peers per instance of the shared service
+ */
+ uint32_t num_shared;
+
+ /**
+ * Number of peers currently sharing the service
+ */
+ uint32_t num_sharing;
+};
+
+
+/**
+ * A routing entry
+ */
+struct Route
+{
+ /**
+ * destination host
+ */
+ uint32_t dest;
+
+ /**
+ * The destination host is reachable thru
+ */
+ uint32_t thru;
+};
+
+
+/**
+ * Context information used while linking controllers
+ */
+struct LinkControllersContext;
+
+
+/**
+ * A DLL of host registrations to be made
+ */
+struct HostRegistration
+{
+ /**
+ * next registration in the DLL
+ */
+ struct HostRegistration *next;
+
+ /**
+ * previous registration in the DLL
+ */
+ struct HostRegistration *prev;
+
+ /**
+ * The callback to call after this registration's status is available
+ */
+ GNUNET_TESTBED_HostRegistrationCompletion cb;
+
+ /**
+ * The closure for the above callback
+ */
+ void *cb_cls;
+
+ /**
+ * The host that has to be registered
+ */
+ struct GNUNET_TESTBED_Host *host;
+};
+
+
+/**
+ * This context information will be created for each host that is registered at
+ * slave controllers during overlay connects.
+ */
+struct RegisteredHostContext
+{
+ /**
+ * The host which is being registered
+ */
+ struct GNUNET_TESTBED_Host *reg_host;
+
+ /**
+ * The host of the controller which has to connect to the above rhost
+ */
+ struct GNUNET_TESTBED_Host *host;
+
+ /**
+ * The gateway to which this operation is forwarded to
+ */
+ struct Slave *gateway;
+
+ /**
+ * The gateway through which peer2's controller can be reached
+ */
+ struct Slave *gateway2;
+
+ /**
+ * Handle for sub-operations
+ */
+ struct GNUNET_TESTBED_Operation *sub_op;
+
+ /**
+ * The client which initiated the link controller operation
+ */
+ struct GNUNET_SERVER_Client *client;
+
+ /**
+ * Head of the ForwardedOverlayConnectContext DLL
+ */
+ struct ForwardedOverlayConnectContext *focc_dll_head;
+
+ /**
+ * Tail of the ForwardedOverlayConnectContext DLL
+ */
+ struct ForwardedOverlayConnectContext *focc_dll_tail;
+
+ /**
+ * Enumeration of states for this context
+ */
+ enum RHCState {
+
+ /**
+ * The initial state
+ */
+ RHC_INIT = 0,
+
+ /**
+ * State where we attempt to register peer2's controller with peer1's
controller
+ */
+ RHC_REGISTER,
+
+ /**
+ * State where we attempt to get peer2's controller configuration
+ */
+ RHC_GET_CFG,
+
+ /**
+ * State where we attempt to link the controller of peer 1 to the
controller
+ * of peer2
+ */
+ RHC_LINK,
+
+ /**
+ * State where we attempt to do the overlay connection again
+ */
+ RHC_OL_CONNECT
+
+ } state;
+
+};
+
+
+/**
+ * Function to generate the hashcode corresponding to a RegisteredHostContext
+ *
+ * @param reg_host the host which is being registered in RegisteredHostContext
+ * @param host the host of the controller which has to connect to the above
rhost
+ * @return the hashcode
+ */
+static struct GNUNET_HashCode
+hash_hosts (struct GNUNET_TESTBED_Host *reg_host,
+ struct GNUNET_TESTBED_Host *host)
+{
+ struct GNUNET_HashCode hash;
+ uint32_t host_ids[2];
+
+ host_ids[0] = GNUNET_TESTBED_host_get_id_ (reg_host);
+ host_ids[1] = GNUNET_TESTBED_host_get_id_ (host);
+ GNUNET_CRYPTO_hash (host_ids, sizeof (host_ids), &hash);
+ return hash;
+}
+
+
+/**
+ * Structure representing a connected(directly-linked) controller
+ */
+struct Slave
+{
+ /**
+ * The controller process handle if we had started the controller
+ */
+ struct GNUNET_TESTBED_ControllerProc *controller_proc;
+
+ /**
+ * The controller handle
+ */
+ struct GNUNET_TESTBED_Controller *controller;
+
+ /**
+ * The configuration of the slave. Cannot be NULL
+ */
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+
+ /**
+ * handle to lcc which is associated with this slave startup. Should be set
to
+ * NULL when the slave has successfully started up
+ */
+ struct LinkControllersContext *lcc;
+
+ /**
+ * Head of the host registration DLL
+ */
+ struct HostRegistration *hr_dll_head;
+
+ /**
+ * Tail of the host registration DLL
+ */
+ struct HostRegistration *hr_dll_tail;
+
+ /**
+ * The current host registration handle
+ */
+ struct GNUNET_TESTBED_HostRegistrationHandle *rhandle;
+
+ /**
+ * Hashmap to hold Registered host contexts
+ */
+ struct GNUNET_CONTAINER_MultiHashMap *reghost_map;
+
+ /**
+ * The id of the host this controller is running on
+ */
+ uint32_t host_id;
+
+};
+
+
+/**
+ * States of LCFContext
+ */
+enum LCFContextState
+{
+ /**
+ * The Context has been initialized; Nothing has been done on it
+ */
+ INIT,
+
+ /**
+ * Delegated host has been registered at the forwarding controller
+ */
+ DELEGATED_HOST_REGISTERED,
+
+ /**
+ * The slave host has been registred at the forwarding controller
+ */
+ SLAVE_HOST_REGISTERED,
+
+ /**
+ * The context has been finished (may have error)
+ */
+ FINISHED
+};
+
+
+/**
+ * Link controllers request forwarding context
+ */
+struct LCFContext
+{
+ /**
+ * The gateway which will pass the link message to delegated host
+ */
+ struct Slave *gateway;
+
+ /**
+ * The controller link message that has to be forwarded to
+ */
+ struct GNUNET_TESTBED_ControllerLinkMessage *msg;
+
+ /**
+ * The client which has asked to perform this operation
+ */
+ struct GNUNET_SERVER_Client *client;
+
+ /**
+ * The id of the operation which created this context
+ */
+ uint64_t operation_id;
+
+ /**
+ * The state of this context
+ */
+ enum LCFContextState state;
+
+ /**
+ * The delegated host
+ */
+ uint32_t delegated_host_id;
+
+ /**
+ * The slave host
+ */
+ uint32_t slave_host_id;
+
+};
+
+
+/**
+ * Structure of a queue entry in LCFContext request queue
+ */
+struct LCFContextQueue
+{
+ /**
+ * The LCFContext
+ */
+ struct LCFContext *lcf;
+
+ /**
+ * Head prt for DLL
+ */
+ struct LCFContextQueue *next;
+
+ /**
+ * Tail ptr for DLL
+ */
+ struct LCFContextQueue *prev;
+};
+
+
+/**
+ * A peer
+ */
+struct Peer
+{
+ union
+ {
+ struct
+ {
+ /**
+ * The peer handle from testing API
+ */
+ struct GNUNET_TESTING_Peer *peer;
+
+ /**
+ * The modified (by GNUNET_TESTING_peer_configure) configuration this
+ * peer is configured with
+ */
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+
+ /**
+ * Is the peer running
+ */
+ int is_running;
+
+ } local;
+
+ struct
+ {
+ /**
+ * The slave this peer is started through
+ */
+ struct Slave *slave;
+
+ /**
+ * The id of the remote host this peer is running on
+ */
+ uint32_t remote_host_id;
+
+ } remote;
+
+ } details;
+
+ /**
+ * Is this peer locally created?
+ */
+ int is_remote;
+
+ /**
+ * Our local reference id for this peer
+ */
+ uint32_t id;
+
+};
+
+
+/**
+ * Context information for connecting 2 peers in overlay
+ */
+struct OverlayConnectContext
+{
+ /**
+ * The client which has requested for overlay connection
+ */
+ struct GNUNET_SERVER_Client *client;
+
+ /**
+ * the peer which has to connect to the other peer
+ */
+ struct Peer *peer;
+
+ /**
+ * Transport handle of the first peer to get its HELLO
+ */
+ struct GNUNET_TRANSPORT_Handle *p1th;
+
+ /**
+ * Transport handle of other peer to offer first peer's HELLO
+ */
+ struct GNUNET_TRANSPORT_Handle *p2th;
+
+ /**
+ * Core handles of the first peer; used to notify when second peer connects
to it
+ */
+ struct GNUNET_CORE_Handle *ch;
+
+ /**
+ * HELLO of the other peer
+ */
+ struct GNUNET_MessageHeader *hello;
+
+ /**
+ * Get hello handle to acquire HELLO of first peer
+ */
+ struct GNUNET_TRANSPORT_GetHelloHandle *ghh;
+
+ /**
+ * The error message we send if this overlay connect operation has timed out
+ */
+ char *emsg;
+
+ /**
+ * Operation context for suboperations
+ */
+ struct OperationContext *opc;
+
+ /**
+ * Controller of peer 2; NULL if the peer is local
+ */
+ struct GNUNET_TESTBED_Controller *peer2_controller;
+
+ /**
+ * The peer identity of the first peer
+ */
+ struct GNUNET_PeerIdentity peer_identity;
+
+ /**
+ * The peer identity of the other peer
+ */
+ struct GNUNET_PeerIdentity other_peer_identity;
+
+ /**
+ * The id of the operation responsible for creating this context
+ */
+ uint64_t op_id;
+
+ /**
+ * The id of the task for sending HELLO of peer 2 to peer 1 and ask peer 1 to
+ * connect to peer 2
+ */
+ GNUNET_SCHEDULER_TaskIdentifier send_hello_task;
+
+ /**
+ * The id of the overlay connect timeout task
+ */
+ GNUNET_SCHEDULER_TaskIdentifier timeout_task;
+
+ /**
+ * The id of peer A
+ */
+ uint32_t peer_id;
+
+ /**
+ * The id of peer B
+ */
+ uint32_t other_peer_id;
+
+ /**
+ * Number of times we tried to send hello; used to increase delay in offering
+ * hellos
+ */
+ uint16_t retries;
+};
+
+
+/**
+ * Context information for RequestOverlayConnect
+ * operations. RequestOverlayConnect is used when peers A, B reside on
different
+ * hosts and the host controller for peer B is asked by the host controller of
+ * peer A to make peer B connect to peer A
+ */
+struct RequestOverlayConnectContext
+{
+ /**
+ * The transport handle of peer B
+ */
+ struct GNUNET_TRANSPORT_Handle *th;
+
+ /**
+ * Peer A's HELLO
+ */
+ struct GNUNET_MessageHeader *hello;
+
+ /**
+ * The peer identity of peer A
+ */
+ struct GNUNET_PeerIdentity a_id;
+
+ /**
+ * Task for offering HELLO of A to B and doing try_connect
+ */
+ GNUNET_SCHEDULER_TaskIdentifier attempt_connect_task_id;
+
+ /**
+ * Task to timeout RequestOverlayConnect
+ */
+ GNUNET_SCHEDULER_TaskIdentifier timeout_rocc_task_id;
+
+ /**
+ * Number of times we tried to send hello; used to increase delay in offering
+ * hellos
+ */
+ uint16_t retries;
+
+};
+
+
+/**
+ * Context information for operations forwarded to subcontrollers
+ */
+struct ForwardedOperationContext
+{
+ /**
+ * The generated operation context
+ */
+ struct OperationContext *opc;
+
+ /**
+ * The client to which we have to reply
+ */
+ struct GNUNET_SERVER_Client *client;
+
+ /**
+ * Closure pointer
+ */
+ void *cls;
+
+ /**
+ * Task ID for the timeout task
+ */
+ GNUNET_SCHEDULER_TaskIdentifier timeout_task;
+
+ /**
+ * The id of the operation that has been forwarded
+ */
+ uint64_t operation_id;
+
+};
+
+
+/**
+ * Context information used while linking controllers
+ */
+struct LinkControllersContext
+{
+ /**
+ * The client which initiated the link controller operation
+ */
+ struct GNUNET_SERVER_Client *client;
+
+ /**
+ * The ID of the operation
+ */
+ uint64_t operation_id;
+
+};
+
+
+/**
+ * Context information to used during operations which forward the overlay
+ * connect message
+ */
+struct ForwardedOverlayConnectContext
+{
+ /**
+ * next ForwardedOverlayConnectContext in the DLL
+ */
+ struct ForwardedOverlayConnectContext *next;
+
+ /**
+ * previous ForwardedOverlayConnectContext in the DLL
+ */
+ struct ForwardedOverlayConnectContext *prev;
+
+ /**
+ * A copy of the original overlay connect message
+ */
+ struct GNUNET_MessageHeader *orig_msg;
+
+ /**
+ * The id of the operation which created this context information
+ */
+ uint64_t operation_id;
+
+ /**
+ * the id of peer 1
+ */
+ uint32_t peer1;
+
+ /**
+ * The id of peer 2
+ */
+ uint32_t peer2;
+
+ /**
+ * Id of the host where peer2 is running
+ */
+ uint32_t peer2_host_id;
+};
+
+
+
+/**
+ * The master context; generated with the first INIT message
+ */
+static struct Context *master_context;
+
+/**
+ * Our hostname; we give this to all the peers we start
+ */
+static char *hostname;
+
+
+/***********/
+/* Handles */
+/***********/
+
+/**
+ * Our configuration
+ */
+static struct GNUNET_CONFIGURATION_Handle *our_config;
+
+/**
+ * Current Transmit Handle; NULL if no notify transmit exists currently
+ */
+static struct GNUNET_SERVER_TransmitHandle *transmit_handle;
+
+/****************/
+/* Lists & Maps */
+/****************/
+
+/**
+ * The head for the LCF queue
+ */
+static struct LCFContextQueue *lcfq_head;
+
+/**
+ * The tail for the LCF queue
+ */
+static struct LCFContextQueue *lcfq_tail;
+
+/**
+ * The message queue head
+ */
+static struct MessageQueue *mq_head;
+
+/**
+ * The message queue tail
+ */
+static struct MessageQueue *mq_tail;
+
+/**
+ * Array of hosts
+ */
+static struct GNUNET_TESTBED_Host **host_list;
+
+/**
+ * A list of routes
+ */
+static struct Route **route_list;
+
+/**
+ * A list of directly linked neighbours
+ */
+static struct Slave **slave_list;
+
+/**
+ * A list of peers we know about
+ */
+static struct Peer **peer_list;
+
+/**
+ * The hashmap of shared services
+ */
+static struct GNUNET_CONTAINER_MultiHashMap *ss_map;
+
+/**
+ * The event mask for the events we listen from sub-controllers
+ */
+static uint64_t event_mask;
+
+/**
+ * The size of the host list
+ */
+static uint32_t host_list_size;
+
+/**
+ * The size of the route list
+ */
+static uint32_t route_list_size;
+
+/**
+ * The size of directly linked neighbours list
+ */
+static uint32_t slave_list_size;
+
+/**
+ * The size of the peer list
+ */
+static uint32_t peer_list_size;
+
+/*********/
+/* Tasks */
+/*********/
+
+/**
+ * The lcf_task handle
+ */
+static GNUNET_SCHEDULER_TaskIdentifier lcf_proc_task_id;
+
+/**
+ * The shutdown task handle
+ */
+static GNUNET_SCHEDULER_TaskIdentifier shutdown_task_id;
+
+
+/**
+ * Function called to notify a client about the connection begin ready to queue
+ * more data. "buf" will be NULL and "size" zero if the connection was closed
+ * for writing in the meantime.
+ *
+ * @param cls NULL
+ * @param size number of bytes available in buf
+ * @param buf where the callee should write the message
+ * @return number of bytes written to buf
+ */
+static size_t
+transmit_ready_notify (void *cls, size_t size, void *buf)
+{
+ struct MessageQueue *mq_entry;
+
+ transmit_handle = NULL;
+ mq_entry = mq_head;
+ GNUNET_assert (NULL != mq_entry);
+ if (0 == size)
+ return 0;
+ GNUNET_assert (ntohs (mq_entry->msg->size) <= size);
+ size = ntohs (mq_entry->msg->size);
+ memcpy (buf, mq_entry->msg, size);
+ GNUNET_free (mq_entry->msg);
+ GNUNET_CONTAINER_DLL_remove (mq_head, mq_tail, mq_entry);
+ GNUNET_free (mq_entry);
+ mq_entry = mq_head;
+ if (NULL != mq_entry)
+ transmit_handle =
+ GNUNET_SERVER_notify_transmit_ready (mq_entry->client,
+ ntohs (mq_entry->msg->size),
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &transmit_ready_notify, NULL);
+ return size;
+}
+
+
+/**
+ * Queues a message in send queue for sending to the service
+ *
+ * @param client the client to whom the queued message has to be sent
+ * @param msg the message to queue
+ */
+static void
+queue_message (struct GNUNET_SERVER_Client *client,
+ struct GNUNET_MessageHeader *msg)
+{
+ struct MessageQueue *mq_entry;
+ uint16_t type;
+ uint16_t size;
+
+ type = ntohs (msg->type);
+ size = ntohs (msg->size);
+ GNUNET_assert ((GNUNET_MESSAGE_TYPE_TESTBED_INIT <= type) &&
+ (GNUNET_MESSAGE_TYPE_TESTBED_MAX > type));
+ mq_entry = GNUNET_malloc (sizeof (struct MessageQueue));
+ mq_entry->msg = msg;
+ mq_entry->client = client;
+ LOG_DEBUG ("Queueing message of type %u, size %u for sending\n", type,
+ ntohs (msg->size));
+ GNUNET_CONTAINER_DLL_insert_tail (mq_head, mq_tail, mq_entry);
+ if (NULL == transmit_handle)
+ transmit_handle =
+ GNUNET_SERVER_notify_transmit_ready (client, size,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &transmit_ready_notify, NULL);
+}
+
+
+/**
+ * Similar to GNUNET_realloc; however clears tail part of newly allocated
memory
+ *
+ * @param ptr the memory block to realloc
+ * @param size the size of ptr
+ * @param new_size the size to which ptr has to be realloc'ed
+ * @return the newly reallocated memory block
+ */
+static void *
+TESTBED_realloc (void *ptr, size_t size, size_t new_size)
+{
+ ptr = GNUNET_realloc (ptr, new_size);
+ if (new_size > size)
+ (void) memset (ptr + size, 0, new_size - size);
+ return ptr;
+}
+
+
+/**
+ * Function to add a host to the current list of known hosts
+ *
+ * @param host the host to add
+ * @return GNUNET_OK on success; GNUNET_SYSERR on failure due to host-id
+ * already in use
+ */
+static int
+host_list_add (struct GNUNET_TESTBED_Host *host)
+{
+ uint32_t host_id;
+ uint32_t orig_size;
+
+ host_id = GNUNET_TESTBED_host_get_id_ (host);
+ orig_size = host_list_size;
+ if (host_list_size <= host_id)
+ {
+ while (host_list_size <= host_id)
+ host_list_size += LIST_GROW_STEP;
+ host_list =
+ TESTBED_realloc (host_list,
+ sizeof (struct GNUNET_TESTBED_Host *) * orig_size,
+ sizeof (struct GNUNET_TESTBED_Host *)
+ * host_list_size);
+ }
+ if (NULL != host_list[host_id])
+ {
+ LOG_DEBUG ("A host with id: %u already exists\n", host_id);
+ return GNUNET_SYSERR;
+ }
+ host_list[host_id] = host;
+ return GNUNET_OK;
+}
+
+
+/**
+ * Adds a route to the route list
+ *
+ * @param route the route to add
+ */
+static void
+route_list_add (struct Route *route)
+{
+ uint32_t orig_size;
+
+ orig_size = route_list_size;
+ if (route->dest >= route_list_size)
+ {
+ while (route->dest >= route_list_size)
+ route_list_size += LIST_GROW_STEP;
+ route_list =
+ TESTBED_realloc (route_list,
+ sizeof (struct Route *) * orig_size,
+ sizeof (struct Route *) * route_list_size);
+ }
+ GNUNET_assert (NULL == route_list[route->dest]);
+ route_list[route->dest] = route;
+}
+
+
+/**
+ * Adds a slave to the slave array
+ *
+ * @param slave the slave controller to add
+ */
+static void
+slave_list_add (struct Slave *slave)
+{
+ if (slave->host_id >= slave_list_size)
+ {
+ slave_list =
+ TESTBED_realloc (slave_list, sizeof (struct Slave *) * slave_list_size,
+ sizeof (struct Slave *) * (slave_list_size +
+ LIST_GROW_STEP));
+ slave_list_size += LIST_GROW_STEP;
+ }
+ GNUNET_assert (NULL == slave_list[slave->host_id]);
+ slave_list[slave->host_id] = slave;
+}
+
+
+/**
+ * Adds a peer to the peer array
+ *
+ * @param peer the peer to add
+ */
+static void
+peer_list_add (struct Peer *peer)
+{
+ uint32_t orig_size;
+
+ orig_size = peer_list_size;
+ if (peer->id >= peer_list_size)
+ {
+ while (peer->id >= peer_list_size)
+ peer_list_size += LIST_GROW_STEP;
+ peer_list =
+ TESTBED_realloc (peer_list, sizeof (struct Peer *) * orig_size,
+ sizeof (struct Peer *) * peer_list_size);
+ }
+ GNUNET_assert (NULL == peer_list[peer->id]);
+ peer_list[peer->id] = peer;
+}
+
+
+/**
+ * Removes a the give peer from the peer array
+ *
+ * @param peer the peer to be removed
+ */
+static void
+peer_list_remove (struct Peer *peer)
+{
+ uint32_t id;
+ uint32_t orig_size;
+
+ peer_list[peer->id] = NULL;
+ orig_size = peer_list_size;
+ while (peer_list_size >= LIST_GROW_STEP)
+ {
+ for (id = peer_list_size - 1;
+ (id >= peer_list_size - LIST_GROW_STEP) && (id != UINT32_MAX); id--)
+ if (NULL != peer_list[id])
+ break;
+ if (id != ((peer_list_size - LIST_GROW_STEP) - 1))
+ break;
+ peer_list_size -= LIST_GROW_STEP;
+ }
+ if (orig_size == peer_list_size)
+ return;
+ peer_list =
+ GNUNET_realloc (peer_list, sizeof (struct Peer *) * peer_list_size);
+}
+
+
+/**
+ * Finds the route with directly connected host as destination through which
+ * the destination host can be reached
+ *
+ * @param host_id the id of the destination host
+ * @return the route with directly connected destination host; NULL if no route
+ * is found
+ */
+static struct Route *
+find_dest_route (uint32_t host_id)
+{
+ struct Route *route;
+
+ if (route_list_size <= host_id)
+ return NULL;
+ while (NULL != (route = route_list[host_id]))
+ {
+ if (route->thru == master_context->host_id)
+ break;
+ host_id = route->thru;
+ }
+ return route;
+}
+
+
+/**
+ * Routes message to a host given its host_id
+ *
+ * @param host_id the id of the destination host
+ * @param msg the message to be routed
+ */
+static void
+route_message (uint32_t host_id, const struct GNUNET_MessageHeader *msg)
+{
+ GNUNET_break (0);
+}
+
+
+/**
+ * Send operation failure message to client
+ *
+ * @param client the client to which the failure message has to be sent to
+ * @param operation_id the id of the failed operation
+ * @param emsg the error message; can be NULL
+ */
+static void
+send_operation_fail_msg (struct GNUNET_SERVER_Client *client,
+ uint64_t operation_id, const char *emsg)
+{
+ struct GNUNET_TESTBED_OperationFailureEventMessage *msg;
+ uint16_t msize;
+ uint16_t emsg_len;
+
+ msize = sizeof (struct GNUNET_TESTBED_OperationFailureEventMessage);
+ emsg_len = (NULL == emsg) ? 0 : strlen (emsg) + 1;
+ msize += emsg_len;
+ msg = GNUNET_malloc (msize);
+ msg->header.size = htons (msize);
+ msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_OPERATIONFAILEVENT);
+ msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
+ msg->operation_id = GNUNET_htonll (operation_id);
+ if (0 != emsg_len)
+ memcpy (&msg[1], emsg, emsg_len);
+ queue_message (client, &msg->header);
+}
+
+
+/**
+ * Function to send generic operation success message to given client
+ *
+ * @param client the client to send the message to
+ * @param operation_id the id of the operation which was successful
+ */
+static void
+send_operation_success_msg (struct GNUNET_SERVER_Client *client,
+ uint64_t operation_id)
+{
+ struct GNUNET_TESTBED_GenericOperationSuccessEventMessage *msg;
+ uint16_t msize;
+
+ msize = sizeof (struct GNUNET_TESTBED_GenericOperationSuccessEventMessage);
+ msg = GNUNET_malloc (msize);
+ msg->header.size = htons (msize);
+ msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GENERICOPSUCCESS);
+ msg->operation_id = GNUNET_htonll (operation_id);
+ msg->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
+ queue_message (client, &msg->header);
+}
+
+
+/**
+ * Callback which will be called to after a host registration succeeded or
failed
+ *
+ * @param cls the handle to the slave at which the registration is completed
+ * @param emsg the error message; NULL if host registration is successful
+ */
+static void
+hr_completion (void *cls, const char *emsg);
+
+
+/**
+ * Attempts to register the next host in the host registration queue
+ *
+ * @param slave the slave controller whose host registration queue is checked
+ * for host registrations
+ */
+static void
+register_next_host (struct Slave *slave)
+{
+ struct HostRegistration *hr;
+
+ hr = slave->hr_dll_head;
+ GNUNET_assert (NULL != hr);
+ GNUNET_assert (NULL == slave->rhandle);
+ slave->rhandle = GNUNET_TESTBED_register_host (slave->controller,
+ hr->host,
+ hr_completion,
+ slave);
+}
+
+
+/**
+ * Callback which will be called to after a host registration succeeded or
failed
+ *
+ * @param cls the handle to the slave at which the registration is completed
+ * @param emsg the error message; NULL if host registration is successful
+ */
+static void
+hr_completion (void *cls, const char *emsg)
+{
+ struct Slave *slave = cls;
+ struct HostRegistration *hr;
+
+ slave->rhandle = NULL;
+ hr = slave->hr_dll_head;
+ GNUNET_assert (NULL != hr);
+ GNUNET_CONTAINER_DLL_remove (slave->hr_dll_head,
+ slave->hr_dll_tail,
+ hr);
+ if (NULL != hr->cb)
+ hr->cb (hr->cb_cls, emsg);
+ GNUNET_free (hr);
+ if ((NULL == slave->rhandle) && (NULL != slave->hr_dll_head))
+ register_next_host (slave);
+}
+
+
+/**
+ * Adds a host registration's request to a slave's registration queue
+ *
+ * @param slave the slave controller at which the given host has to be
+ * registered
+ * @param cb the host registration completion callback
+ * @param cb_cls the closure for the host registration completion callback
+ * @param host the host which has to be registered
+ */
+static void
+queue_host_registration (struct Slave *slave,
+ GNUNET_TESTBED_HostRegistrationCompletion cb,
+ void *cb_cls,
+ struct GNUNET_TESTBED_Host *host)
+{
+ struct HostRegistration *hr;
+ int call_register;
+
+ hr = GNUNET_malloc (sizeof (struct HostRegistration));
+ hr->cb = cb;
+ hr->cb_cls = cb_cls;
+ hr->host = host;
+ call_register = (NULL == slave->hr_dll_head) ? GNUNET_YES : GNUNET_NO;
+ GNUNET_CONTAINER_DLL_insert_tail (slave->hr_dll_head,
+ slave->hr_dll_tail,
+ hr);
+ if (GNUNET_YES == call_register)
+ register_next_host (slave);
+}
+
+
+/**
+ * The Link Controller forwarding task
+ *
+ * @param cls the LCFContext
+ * @param tc the Task context from scheduler
+ */
+static void
+lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
+/**
+ * Completion callback for host registrations while forwarding Link Controller
messages
+ *
+ * @param cls the LCFContext
+ * @param emsg the error message; NULL if host registration is successful
+ */
+static void
+lcf_proc_cc (void *cls, const char *emsg)
+{
+ struct LCFContext *lcf = cls;
+
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
+ switch (lcf->state)
+ {
+ case INIT:
+ if (NULL != emsg)
+ goto registration_error;
+ lcf->state = DELEGATED_HOST_REGISTERED;
+ lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
+ break;
+ case DELEGATED_HOST_REGISTERED:
+ if (NULL != emsg)
+ goto registration_error;
+ lcf->state = SLAVE_HOST_REGISTERED;
+ lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
+ break;
+ default:
+ GNUNET_assert (0); /* Shouldn't reach here */
+ }
+ return;
+
+ registration_error:
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Host registration failed with message:
%s\n",
+ emsg);
+ lcf->state = FINISHED;
+ lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
+}
+
+
+/**
+ * Callback to be called when forwarded link controllers operation is
+ * successfull. We have to relay the reply msg back to the client
+ *
+ * @param cls ForwardedOperationContext
+ * @param msg the peer create success message
+ */
+static void
+forwarded_operation_reply_relay (void *cls,
+ const struct GNUNET_MessageHeader *msg)
+{
+ struct ForwardedOperationContext *fopc = cls;
+ struct GNUNET_MessageHeader *dup_msg;
+ uint16_t msize;
+
+ msize = ntohs (msg->size);
+ LOG_DEBUG ("Relaying message with type: %u, size: %u\n", ntohs (msg->type),
+ msize);
+ dup_msg = GNUNET_malloc (msize);
+ (void) memcpy (dup_msg, msg, msize);
+ queue_message (fopc->client, dup_msg);
+ GNUNET_SERVER_client_drop (fopc->client);
+ GNUNET_SCHEDULER_cancel (fopc->timeout_task);
+ GNUNET_free (fopc);
+}
+
+
+/**
+ * Task to free resources when forwarded link controllers has been timedout
+ *
+ * @param cls the ForwardedOperationContext
+ * @param tc the task context from scheduler
+ */
+static void
+forwarded_operation_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct ForwardedOperationContext *fopc = cls;
+
+ GNUNET_TESTBED_forward_operation_msg_cancel_ (fopc->opc);
+ LOG (GNUNET_ERROR_TYPE_WARNING, "A forwarded operation has timed out\n");
+ send_operation_fail_msg (fopc->client, fopc->operation_id, "Timeout");
+ GNUNET_SERVER_client_drop (fopc->client);
+ GNUNET_free (fopc);
+}
+
+
+/**
+ * The Link Controller forwarding task
+ *
+ * @param cls the LCFContext
+ * @param tc the Task context from scheduler
+ */
+static void
+lcf_proc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct LCFContext *lcf = cls;
+ struct LCFContextQueue *lcfq;
+ struct ForwardedOperationContext *fopc;
+
+ lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
+ switch (lcf->state)
+ {
+ case INIT:
+ if (GNUNET_NO ==
+ GNUNET_TESTBED_is_host_registered_ (host_list[lcf->delegated_host_id],
+ lcf->gateway->controller))
+ {
+ queue_host_registration (lcf->gateway,
+ lcf_proc_cc, lcf,
+ host_list[lcf->delegated_host_id]);
+ }
+ else
+ {
+ lcf->state = DELEGATED_HOST_REGISTERED;
+ lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
+ }
+ break;
+ case DELEGATED_HOST_REGISTERED:
+ if (GNUNET_NO ==
+ GNUNET_TESTBED_is_host_registered_ (host_list[lcf->slave_host_id],
+ lcf->gateway->controller))
+ {
+ queue_host_registration (lcf->gateway,
+ lcf_proc_cc, lcf,
+ host_list[lcf->slave_host_id]);
+ }
+ else
+ {
+ lcf->state = SLAVE_HOST_REGISTERED;
+ lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
+ }
+ break;
+ case SLAVE_HOST_REGISTERED:
+ fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ fopc->client = lcf->client;
+ fopc->operation_id = lcf->operation_id;
+ fopc->opc =
+ GNUNET_TESTBED_forward_operation_msg_ (lcf->gateway->controller,
+ lcf->operation_id,
+ &lcf->msg->header,
+
&forwarded_operation_reply_relay,
+ fopc);
+ fopc->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
+ fopc);
+ lcf->state = FINISHED;
+ lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcf);
+ break;
+ case FINISHED:
+ lcfq = lcfq_head;
+ GNUNET_assert (lcfq->lcf == lcf);
+ GNUNET_free (lcf->msg);
+ GNUNET_free (lcf);
+ GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
+ GNUNET_free (lcfq);
+ if (NULL != lcfq_head)
+ lcf_proc_task_id =
+ GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq_head->lcf);
+ }
+}
+
+
+/**
+ * Cleans up ForwardedOverlayConnectContext
+ *
+ * @param focc the ForwardedOverlayConnectContext to cleanup
+ */
+static void
+cleanup_focc (struct ForwardedOverlayConnectContext *focc)
+{
+ GNUNET_free_non_null (focc->orig_msg);
+ GNUNET_free (focc);
+}
+
+
+/**
+ * Processes a forwarded overlay connect context in the queue of the given
RegisteredHostContext
+ *
+ * @param rhc the RegisteredHostContext
+ */
+static void
+process_next_focc (struct RegisteredHostContext *rhc);
+
+
+/**
+ * Timeout task for cancelling a forwarded overlay connect connect
+ *
+ * @param cls the ForwardedOverlayConnectContext
+ * @param tc the task context from the scheduler
+ */
+static void
+forwarded_overlay_connect_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext
+ *tc)
+{
+ struct ForwardedOperationContext *fopc = cls;
+ struct RegisteredHostContext *rhc;
+ struct ForwardedOverlayConnectContext *focc;
+
+ rhc = fopc->cls;
+ focc = rhc->focc_dll_head;
+ GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
+ cleanup_focc (focc);
+ LOG_DEBUG ("Overlay linking between peers %u and %u failed\n",
+ focc->peer1, focc->peer2);
+ forwarded_operation_timeout (cls, tc);
+ if (NULL != rhc->focc_dll_head)
+ process_next_focc (rhc);
+}
+
+
+/**
+ * Callback to be called when forwarded overlay connection operation has a
reply
+ * from the sub-controller successfull. We have to relay the reply msg back to
+ * the client
+ *
+ * @param cls ForwardedOperationContext
+ * @param msg the peer create success message
+ */
+static void
+forwarded_overlay_connect_listener (void *cls,
+ const struct GNUNET_MessageHeader *msg)
+{
+ struct ForwardedOperationContext *fopc = cls;
+ struct RegisteredHostContext *rhc;
+ struct ForwardedOverlayConnectContext *focc;
+
+ rhc = fopc->cls;
+ forwarded_operation_reply_relay (cls, msg);
+ focc = rhc->focc_dll_head;
+ GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head, rhc->focc_dll_tail, focc);
+ cleanup_focc (focc);
+ if (NULL != rhc->focc_dll_head)
+ process_next_focc (rhc);
+}
+
+
+/**
+ * Processes a forwarded overlay connect context in the queue of the given
RegisteredHostContext
+ *
+ * @param rhc the RegisteredHostContext
+ */
+static void
+process_next_focc (struct RegisteredHostContext *rhc)
+{
+ struct ForwardedOperationContext *fopc;
+ struct ForwardedOverlayConnectContext *focc;
+
+ focc = rhc->focc_dll_head;
+ GNUNET_assert (NULL != focc);
+ GNUNET_assert (RHC_OL_CONNECT == rhc->state);
+ fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ GNUNET_SERVER_client_keep (rhc->client);
+ fopc->client = rhc->client;
+ fopc->operation_id = focc->operation_id;
+ fopc->cls = rhc;
+ fopc->opc =
+ GNUNET_TESTBED_forward_operation_msg_ (rhc->gateway->controller,
+ focc->operation_id,
focc->orig_msg,
+
&forwarded_overlay_connect_listener,
+ fopc);
+ GNUNET_free (focc->orig_msg);
+ focc->orig_msg = NULL;
+ fopc->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT,
&forwarded_overlay_connect_timeout,
+ fopc);
+}
+
+
+/**
+ * Callback for event from slave controllers
+ *
+ * @param cls struct Slave *
+ * @param event information about the event
+ */
+static void
+slave_event_callback (void *cls,
+ const struct GNUNET_TESTBED_EventInformation *event)
+{
+ struct RegisteredHostContext *rhc;
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+ struct GNUNET_TESTBED_Operation *old_op;
+
+ /* We currently only get here when working on RegisteredHostContexts */
+ GNUNET_assert (GNUNET_TESTBED_ET_OPERATION_FINISHED == event->type);
+ rhc = event->details.operation_finished.op_cls;
+ GNUNET_assert (rhc->sub_op == event->details.operation_finished.operation);
+ switch (rhc->state)
+ {
+ case RHC_GET_CFG:
+ cfg = event->details.operation_finished.generic;
+ old_op = rhc->sub_op;
+ rhc->state = RHC_LINK;
+ rhc->sub_op =
+ GNUNET_TESTBED_controller_link (rhc,
+ rhc->gateway->controller,
+ rhc->reg_host,
+ rhc->host,
+ cfg,
+ GNUNET_NO);
+ GNUNET_TESTBED_operation_done (old_op);
+ break;
+ case RHC_LINK:
+ LOG_DEBUG ("OL: Linking controllers successfull\n");
+ GNUNET_TESTBED_operation_done (rhc->sub_op);
+ rhc->sub_op = NULL;
+ rhc->state = RHC_OL_CONNECT;
+ process_next_focc (rhc);
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+}
+
+
+/**
+ * Callback to signal successfull startup of the controller process
+ *
+ * @param cls the handle to the slave whose status is to be found here
+ * @param cfg the configuration with which the controller has been started;
+ * NULL if status is not GNUNET_OK
+ * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
+ * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
+ */
+static void
+slave_status_callback (void *cls, const struct GNUNET_CONFIGURATION_Handle
*cfg,
+ int status)
+{
+ struct Slave *slave = cls;
+ struct LinkControllersContext *lcc;
+
+ lcc = slave->lcc;
+ if (GNUNET_SYSERR == status)
+ {
+ slave->controller_proc = NULL;
+ slave_list[slave->host_id] = NULL;
+ if (NULL != slave->cfg)
+ GNUNET_CONFIGURATION_destroy (slave->cfg);
+ GNUNET_free (slave);
+ slave = NULL;
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Unexpected slave shutdown\n");
+ GNUNET_SCHEDULER_shutdown (); /* We too shutdown */
+ goto clean_lcc;
+ }
+ slave->controller =
+ GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
+ event_mask,
+ &slave_event_callback, slave);
+ if (NULL != slave->controller)
+ {
+ send_operation_success_msg (lcc->client, lcc->operation_id);
+ slave->cfg = GNUNET_CONFIGURATION_dup (cfg);
+ }
+ else
+ {
+ send_operation_fail_msg (lcc->client, lcc->operation_id,
+ "Could not connect to delegated controller");
+ GNUNET_TESTBED_controller_stop (slave->controller_proc);
+ slave_list[slave->host_id] = NULL;
+ GNUNET_free (slave);
+ slave = NULL;
+ }
+
+ clean_lcc:
+ if (NULL != lcc)
+ {
+ if (NULL != lcc->client)
+ {
+ GNUNET_SERVER_receive_done (lcc->client, GNUNET_OK);
+ GNUNET_SERVER_client_drop (lcc->client);
+ lcc->client = NULL;
+ }
+ GNUNET_free (lcc);
+ }
+ if (NULL != slave)
+ slave->lcc = NULL;
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_INIT messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_init (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_InitMessage *msg;
+ struct GNUNET_TESTBED_Host *host;
+ const char *controller_hostname;
+ uint16_t msize;
+
+ if (NULL != master_context)
+ {
+ LOG_DEBUG ("We are being connected to laterally\n");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ msg = (const struct GNUNET_TESTBED_InitMessage *) message;
+ msize = ntohs (message->size);
+ if (msize <= sizeof (struct GNUNET_TESTBED_InitMessage))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ msize -= sizeof (struct GNUNET_TESTBED_InitMessage);
+ controller_hostname = (const char *) &msg[1];
+ if ('\0' != controller_hostname[msize - 1])
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ master_context = GNUNET_malloc (sizeof (struct Context));
+ master_context->client = client;
+ master_context->host_id = ntohl (msg->host_id);
+ master_context->master_ip = GNUNET_strdup (controller_hostname);
+ LOG_DEBUG ("Master Controller IP: %s\n", master_context->master_ip);
+ master_context->system =
+ GNUNET_TESTING_system_create ("testbed", master_context->master_ip,
hostname);
+ host =
+ GNUNET_TESTBED_host_create_with_id (master_context->host_id,
+ master_context->master_ip,
+ NULL,
+ 0);
+ host_list_add (host);
+ GNUNET_SERVER_client_keep (client);
+ LOG_DEBUG ("Created master context with host ID: %u\n",
+ master_context->host_id);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_add_host (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct GNUNET_TESTBED_Host *host;
+ const struct GNUNET_TESTBED_AddHostMessage *msg;
+ struct GNUNET_TESTBED_HostConfirmedMessage *reply;
+ char *username;
+ char *hostname;
+ char *emsg;
+ uint32_t host_id;
+ uint16_t username_length;
+ uint16_t hostname_length;
+ uint16_t reply_size;
+ uint16_t msize;
+
+ msg = (const struct GNUNET_TESTBED_AddHostMessage *) message;
+ msize = ntohs (msg->header.size);
+ username = (char *) &msg[1];
+ username_length = ntohs (msg->user_name_length);
+ if (0 != username_length)
+ username_length++;
+ /* msg must contain hostname */
+ GNUNET_assert (msize > (sizeof (struct GNUNET_TESTBED_AddHostMessage) +
+ username_length + 1));
+ if (0 != username_length)
+ GNUNET_assert ('\0' == username[username_length - 1]);
+ hostname = username + username_length;
+ hostname_length =
+ msize - (sizeof (struct GNUNET_TESTBED_AddHostMessage) +
username_length);
+ GNUNET_assert ('\0' == hostname[hostname_length - 1]);
+ GNUNET_assert (strlen (hostname) == hostname_length - 1);
+ host_id = ntohl (msg->host_id);
+ LOG_DEBUG ("Received ADDHOST %u message\n", host_id);
+ LOG_DEBUG ("-------host id: %u\n", host_id);
+ LOG_DEBUG ("-------hostname: %s\n", hostname);
+ if (0 != username_length)
+ LOG_DEBUG ("-------username: %s\n", username);
+ else
+ {
+ LOG_DEBUG ("-------username: NULL\n");
+ username = NULL;
+ }
+ LOG_DEBUG ("-------ssh port: %u\n", ntohs (msg->ssh_port));
+ host =
+ GNUNET_TESTBED_host_create_with_id (host_id, hostname, username,
+ ntohs (msg->ssh_port));
+ GNUNET_assert (NULL != host);
+ reply_size = sizeof (struct GNUNET_TESTBED_HostConfirmedMessage);
+ if (GNUNET_OK != host_list_add (host))
+ {
+ /* We are unable to add a host */
+ emsg = "A host exists with given host-id";
+ LOG_DEBUG ("%s: %u", emsg, host_id);
+ GNUNET_TESTBED_host_destroy (host);
+ reply_size += strlen (emsg) + 1;
+ reply = GNUNET_malloc (reply_size);
+ memcpy (&reply[1], emsg, strlen (emsg) + 1);
+ }
+ else
+ {
+ LOG_DEBUG ("Added host %u at %u\n",
+ host_id, master_context->host_id);
+ reply = GNUNET_malloc (reply_size);
+ }
+ reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_ADDHOSTCONFIRM);
+ reply->header.size = htons (reply_size);
+ reply->host_id = htonl (host_id);
+ queue_message (client, &reply->header);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Iterator over hash map entries.
+ *
+ * @param cls closure
+ * @param key current key code
+ * @param value value in the hash map
+ * @return GNUNET_YES if we should continue to
+ * iterate,
+ * GNUNET_NO if not.
+ */
+int
+ss_exists_iterator (void *cls, const struct GNUNET_HashCode *key, void *value)
+{
+ struct SharedService *queried_ss = cls;
+ struct SharedService *ss = value;
+
+ if (0 == strcmp (ss->name, queried_ss->name))
+ return GNUNET_NO;
+ else
+ return GNUNET_YES;
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_configure_shared_service (void *cls, struct GNUNET_SERVER_Client
*client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *msg;
+ struct SharedService *ss;
+ char *service_name;
+ struct GNUNET_HashCode hash;
+ uint16_t msg_size;
+ uint16_t service_name_size;
+
+ msg = (const struct GNUNET_TESTBED_ConfigureSharedServiceMessage *) message;
+ msg_size = ntohs (message->size);
+ if (msg_size <= sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ service_name_size =
+ msg_size - sizeof (struct GNUNET_TESTBED_ConfigureSharedServiceMessage);
+ service_name = (char *) &msg[1];
+ if ('\0' != service_name[service_name_size - 1])
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ LOG_DEBUG ("Received service sharing request for %s, with %d peers\n",
+ service_name, ntohl (msg->num_peers));
+ if (ntohl (msg->host_id) != master_context->host_id)
+ {
+ route_message (ntohl (msg->host_id), message);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ ss = GNUNET_malloc (sizeof (struct SharedService));
+ ss->name = strdup (service_name);
+ ss->num_shared = ntohl (msg->num_peers);
+ GNUNET_CRYPTO_hash (ss->name, service_name_size, &hash);
+ if (GNUNET_SYSERR ==
+ GNUNET_CONTAINER_multihashmap_get_multiple (ss_map, &hash,
+ &ss_exists_iterator, ss))
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Service %s already configured as a shared service. "
+ "Ignoring service sharing request \n", ss->name);
+ GNUNET_free (ss->name);
+ GNUNET_free (ss);
+ return;
+ }
+ GNUNET_CONTAINER_multihashmap_put (ss_map, &hash, ss,
+
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS message
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_link_controllers (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_ControllerLinkMessage *msg;
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+ struct LCFContextQueue *lcfq;
+ struct Route *route;
+ struct Route *new_route;
+ char *config;
+ uLongf dest_size;
+ size_t config_size;
+ uint32_t delegated_host_id;
+ uint32_t slave_host_id;
+ uint16_t msize;
+
+ if (NULL == master_context)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ msize = ntohs (message->size);
+ if (sizeof (struct GNUNET_TESTBED_ControllerLinkMessage) >= msize)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ msg = (const struct GNUNET_TESTBED_ControllerLinkMessage *) message;
+ delegated_host_id = ntohl (msg->delegated_host_id);
+ if (delegated_host_id == master_context->host_id)
+ {
+ GNUNET_break (0);
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Trying to link ourselves\n");
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ if ((delegated_host_id >= host_list_size) ||
+ (NULL == host_list[delegated_host_id]))
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Delegated host %u not registered with us\n", delegated_host_id);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ slave_host_id = ntohl (msg->slave_host_id);
+ if ((slave_host_id >= host_list_size) || (NULL == host_list[slave_host_id]))
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Slave host %u not registered with us\n",
+ slave_host_id);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ if (slave_host_id == delegated_host_id)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Slave and delegated host are same\n");
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+
+ if (slave_host_id == master_context->host_id) /* Link from us */
+ {
+ struct Slave *slave;
+ struct LinkControllersContext *lcc;
+
+ msize -= sizeof (struct GNUNET_TESTBED_ControllerLinkMessage);
+ config_size = ntohs (msg->config_size);
+ if ((delegated_host_id < slave_list_size) && (NULL !=
slave_list[delegated_host_id])) /* We have already added */
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Host %u already connected\n",
+ delegated_host_id);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ config = GNUNET_malloc (config_size);
+ dest_size = (uLongf) config_size;
+ if (Z_OK !=
+ uncompress ((Bytef *) config, &dest_size, (const Bytef *) &msg[1],
+ (uLong) msize))
+ {
+ GNUNET_break (0); /* Compression error */
+ GNUNET_free (config);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ if (config_size != dest_size)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Uncompressed config size mismatch\n");
+ GNUNET_free (config);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ cfg = GNUNET_CONFIGURATION_create (); /* Free here or in lcfcontext
*/
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
+ {
+ GNUNET_break (0); /* Configuration parsing error */
+ GNUNET_free (config);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ GNUNET_free (config);
+ if ((delegated_host_id < slave_list_size) &&
+ (NULL != slave_list[delegated_host_id]))
+ {
+ GNUNET_break (0); /* Configuration parsing error */
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ slave = GNUNET_malloc (sizeof (struct Slave));
+ slave->host_id = delegated_host_id;
+ slave->reghost_map = GNUNET_CONTAINER_multihashmap_create (100, GNUNET_NO);
+ slave_list_add (slave);
+ if (1 != msg->is_subordinate)
+ {
+ slave->controller =
+ GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
+ event_mask,
+ &slave_event_callback, slave);
+ slave->cfg = cfg;
+ if (NULL != slave->controller)
+ send_operation_success_msg (client, GNUNET_ntohll (msg->operation_id));
+ else
+ send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
+ "Could not connect to delegated controller");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ lcc = GNUNET_malloc (sizeof (struct LinkControllersContext));
+ lcc->operation_id = GNUNET_ntohll (msg->operation_id);
+ GNUNET_SERVER_client_keep (client);
+ lcc->client = client;
+ slave->lcc = lcc;
+ slave->controller_proc =
+ GNUNET_TESTBED_controller_start (master_context->master_ip,
+ host_list[slave->host_id], cfg,
+ &slave_status_callback, slave);
+ GNUNET_CONFIGURATION_destroy (cfg);
+ new_route = GNUNET_malloc (sizeof (struct Route));
+ new_route->dest = delegated_host_id;
+ new_route->thru = master_context->host_id;
+ route_list_add (new_route);
+ return;
+ }
+
+ /* Route the request */
+ if (slave_host_id >= route_list_size)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING, "No route towards slave host");
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ lcfq = GNUNET_malloc (sizeof (struct LCFContextQueue));
+ lcfq->lcf = GNUNET_malloc (sizeof (struct LCFContext));
+ lcfq->lcf->delegated_host_id = delegated_host_id;
+ lcfq->lcf->slave_host_id = slave_host_id;
+ route = find_dest_route (slave_host_id);
+ GNUNET_assert (NULL != route); /* because we add routes carefully */
+ GNUNET_assert (route->dest < slave_list_size);
+ GNUNET_assert (NULL != slave_list[route->dest]);
+ lcfq->lcf->state = INIT;
+ lcfq->lcf->operation_id = GNUNET_ntohll (msg->operation_id);
+ lcfq->lcf->gateway = slave_list[route->dest];
+ lcfq->lcf->msg = GNUNET_malloc (msize);
+ (void) memcpy (lcfq->lcf->msg, msg, msize);
+ GNUNET_SERVER_client_keep (client);
+ lcfq->lcf->client = client;
+ if (NULL == lcfq_head)
+ {
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
+ GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
+ lcf_proc_task_id = GNUNET_SCHEDULER_add_now (&lcf_proc_task, lcfq->lcf);
+ }
+ else
+ GNUNET_CONTAINER_DLL_insert_tail (lcfq_head, lcfq_tail, lcfq);
+ /* FIXME: Adding a new route should happen after the controllers are linked
+ * successfully */
+ if (1 != msg->is_subordinate)
+ {
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ if ((delegated_host_id < route_list_size)
+ && (NULL != route_list[delegated_host_id]))
+ {
+ GNUNET_break_op (0); /* Are you trying to link delegated host twice
+ with is subordinate flag set to GNUNET_YES?
*/
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ new_route = GNUNET_malloc (sizeof (struct Route));
+ new_route->dest = delegated_host_id;
+ new_route->thru = route->dest;
+ route_list_add (new_route);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * The task to be executed if the forwarded peer create operation has been
+ * timed out
+ *
+ * @param cls the FowardedOperationContext
+ * @param tc the TaskContext from the scheduler
+ */
+static void
+peer_create_forward_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct ForwardedOperationContext *fo_ctxt = cls;
+
+ /* send error msg to client */
+ GNUNET_free (fo_ctxt->cls);
+ send_operation_fail_msg (fo_ctxt->client, fo_ctxt->operation_id, "Timedout");
+ GNUNET_SERVER_client_drop (fo_ctxt->client);
+ GNUNET_TESTBED_forward_operation_msg_cancel_ (fo_ctxt->opc);
+ GNUNET_free (fo_ctxt);
+}
+
+
+/**
+ * Callback to be called when forwarded peer create operation is
+ * successfull. We have to relay the reply msg back to the client
+ *
+ * @param cls ForwardedOperationContext
+ * @param msg the peer create success message
+ */
+static void
+peer_create_success_cb (void *cls, const struct GNUNET_MessageHeader *msg)
+{
+ struct ForwardedOperationContext *fo_ctxt = cls;
+ struct GNUNET_MessageHeader *dup_msg;
+ struct Peer *remote_peer;
+ uint16_t msize;
+
+ GNUNET_SCHEDULER_cancel (fo_ctxt->timeout_task);
+ if (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS)
+ {
+ GNUNET_assert (NULL != fo_ctxt->cls);
+ remote_peer = fo_ctxt->cls;
+ peer_list_add (remote_peer);
+ }
+ msize = ntohs (msg->size);
+ dup_msg = GNUNET_malloc (msize);
+ (void) memcpy (dup_msg, msg, msize);
+ queue_message (fo_ctxt->client, dup_msg);
+ GNUNET_SERVER_client_drop (fo_ctxt->client);
+ GNUNET_free (fo_ctxt);
+}
+
+
+
+/**
+ * Handler for GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_peer_create (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_PeerCreateMessage *msg;
+ struct GNUNET_TESTBED_PeerCreateSuccessEventMessage *reply;
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+ struct ForwardedOperationContext *fo_ctxt;
+ struct Route *route;
+ struct Peer *peer;
+ char *config;
+ size_t dest_size;
+ int ret;
+ uint32_t config_size;
+ uint32_t host_id;
+ uint32_t peer_id;
+ uint16_t msize;
+
+
+ msize = ntohs (message->size);
+ if (msize <= sizeof (struct GNUNET_TESTBED_PeerCreateMessage))
+ {
+ GNUNET_break (0); /* We need configuration */
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ msg = (const struct GNUNET_TESTBED_PeerCreateMessage *) message;
+ host_id = ntohl (msg->host_id);
+ peer_id = ntohl (msg->peer_id);
+ if (UINT32_MAX == peer_id)
+ {
+ send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
+ "Cannot create peer with given ID");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ if (host_id == master_context->host_id)
+ {
+ char *emsg;
+
+ /* We are responsible for this peer */
+ msize -= sizeof (struct GNUNET_TESTBED_PeerCreateMessage);
+ config_size = ntohl (msg->config_size);
+ config = GNUNET_malloc (config_size);
+ dest_size = config_size;
+ if (Z_OK !=
+ (ret =
+ uncompress ((Bytef *) config, (uLongf *) & dest_size,
+ (const Bytef *) &msg[1], (uLong) msize)))
+ {
+ GNUNET_break (0); /* uncompression error */
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ if (config_size != dest_size)
+ {
+ GNUNET_break (0); /* Uncompressed config size mismatch */
+ GNUNET_free (config);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ cfg = GNUNET_CONFIGURATION_create ();
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_deserialize (cfg, config, config_size, GNUNET_NO))
+ {
+ GNUNET_break (0); /* Configuration parsing error */
+ GNUNET_free (config);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ GNUNET_free (config);
+ peer = GNUNET_malloc (sizeof (struct Peer));
+ peer->is_remote = GNUNET_NO;
+ peer->details.local.cfg = cfg;
+ peer->id = peer_id;
+ LOG_DEBUG ("Creating peer with id: %u\n", peer->id);
+ peer->details.local.peer =
+ GNUNET_TESTING_peer_configure (master_context->system,
+ peer->details.local.cfg, peer->id,
+ NULL /* Peer id */ ,
+ &emsg);
+ if (NULL == peer->details.local.peer)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING, "Configuring peer failed: %s\n", emsg);
+ GNUNET_free (emsg);
+ GNUNET_free (peer);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ peer->details.local.is_running = GNUNET_NO;
+ peer_list_add (peer);
+ reply =
+ GNUNET_malloc (sizeof
+ (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
+ reply->header.size =
+ htons (sizeof (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
+ reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS);
+ reply->peer_id = msg->peer_id;
+ reply->operation_id = msg->operation_id;
+ queue_message (client, &reply->header);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+
+ /* Forward peer create request */
+ route = find_dest_route (host_id);
+ if (NULL == route)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+
+ peer = GNUNET_malloc (sizeof (struct Peer));
+ peer->is_remote = GNUNET_YES;
+ peer->id = peer_id;
+ peer->details.remote.slave = slave_list[route->dest];
+ peer->details.remote.remote_host_id = host_id;
+ fo_ctxt = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ GNUNET_SERVER_client_keep (client);
+ fo_ctxt->client = client;
+ fo_ctxt->operation_id = GNUNET_ntohll (msg->operation_id);
+ fo_ctxt->cls = peer; //slave_list[route->dest]->controller;
+ fo_ctxt->opc =
+ GNUNET_TESTBED_forward_operation_msg_ (slave_list
[route->dest]->controller,
+ fo_ctxt->operation_id,
+ &msg->header,
+ peer_create_success_cb, fo_ctxt);
+ fo_ctxt->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &peer_create_forward_timeout,
+ fo_ctxt);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_peer_destroy (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_PeerDestroyMessage *msg;
+ struct ForwardedOperationContext *fopc;
+ struct Peer *peer;
+ uint32_t peer_id;
+
+ msg = (const struct GNUNET_TESTBED_PeerDestroyMessage *) message;
+ peer_id = ntohl (msg->peer_id);
+ LOG_DEBUG ("Received peer destory on peer: %u and operation id: %ul\n",
+ peer_id, GNUNET_ntohll (msg->operation_id));
+ if ((peer_list_size <= peer_id) || (NULL == peer_list[peer_id]))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Asked to destroy a non existent peer with id: %u\n", peer_id);
+ send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
+ "Peer doesn't exist");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ peer = peer_list[peer_id];
+ if (GNUNET_YES == peer->is_remote)
+ {
+ /* Forward the destory message to sub controller */
+ fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ GNUNET_SERVER_client_keep (client);
+ fopc->client = client;
+ fopc->operation_id = GNUNET_ntohll (msg->operation_id);
+ fopc->opc =
+ GNUNET_TESTBED_forward_operation_msg_
(peer->details.remote.slave->controller,
+ fopc->operation_id,
&msg->header,
+
&forwarded_operation_reply_relay,
+ fopc);
+ fopc->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
+ fopc);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ GNUNET_TESTING_peer_destroy (peer->details.local.peer);
+ GNUNET_CONFIGURATION_destroy (peer->details.local.cfg);
+ peer_list_remove (peer);
+ GNUNET_free (peer);
+ send_operation_success_msg (client, GNUNET_ntohll (msg->operation_id));
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_peer_start (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_PeerStartMessage *msg;
+ struct GNUNET_TESTBED_PeerEventMessage *reply;
+ struct ForwardedOperationContext *fopc;
+ struct Peer *peer;
+ uint32_t peer_id;
+
+ msg = (const struct GNUNET_TESTBED_PeerStartMessage *) message;
+ peer_id = ntohl (msg->peer_id);
+ if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
+ {
+ GNUNET_break (0);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Asked to start a non existent peer with id: %u\n", peer_id);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ peer = peer_list[peer_id];
+ if (GNUNET_YES == peer->is_remote)
+ {
+ fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ GNUNET_SERVER_client_keep (client);
+ fopc->client = client;
+ fopc->operation_id = GNUNET_ntohll (msg->operation_id);
+ fopc->opc =
+ GNUNET_TESTBED_forward_operation_msg_
(peer->details.remote.slave->controller,
+ fopc->operation_id,
&msg->header,
+
&forwarded_operation_reply_relay,
+ fopc);
+ fopc->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
+ fopc);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ if (GNUNET_OK != GNUNET_TESTING_peer_start (peer->details.local.peer))
+ {
+ send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
+ "Failed to start");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ peer->details.local.is_running = GNUNET_YES;
+ reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
+ reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
+ reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
+ reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_START);
+ reply->host_id = htonl (master_context->host_id);
+ reply->peer_id = msg->peer_id;
+ reply->operation_id = msg->operation_id;
+ queue_message (client, &reply->header);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_peer_stop (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_PeerStopMessage *msg;
+ struct GNUNET_TESTBED_PeerEventMessage *reply;
+ struct ForwardedOperationContext *fopc;
+ struct Peer *peer;
+ uint32_t peer_id;
+
+ msg = (const struct GNUNET_TESTBED_PeerStopMessage *) message;
+ peer_id = ntohl (msg->peer_id);
+ if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
+ {
+ send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
+ "Peer not found");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ peer = peer_list[peer_id];
+ if (GNUNET_YES == peer->is_remote)
+ {
+ fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ GNUNET_SERVER_client_keep (client);
+ fopc->client = client;
+ fopc->operation_id = GNUNET_ntohll (msg->operation_id);
+ fopc->opc =
+ GNUNET_TESTBED_forward_operation_msg_
(peer->details.remote.slave->controller,
+ fopc->operation_id,
&msg->header,
+
&forwarded_operation_reply_relay,
+ fopc);
+ fopc->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
+ fopc);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ if (GNUNET_OK != GNUNET_TESTING_peer_stop (peer->details.local.peer))
+ {
+ send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
+ "Peer not running");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ peer->details.local.is_running = GNUNET_NO;
+ reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
+ reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
+ reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
+ reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_STOP);
+ reply->host_id = htonl (master_context->host_id);
+ reply->peer_id = msg->peer_id;
+ reply->operation_id = msg->operation_id;
+ queue_message (client, &reply->header);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_peer_get_config (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_PeerGetConfigurationMessage *msg;
+ struct GNUNET_TESTBED_PeerConfigurationInformationMessage *reply;
+ struct Peer *peer;
+ char *config;
+ char *xconfig;
+ size_t c_size;
+ size_t xc_size;
+ uint32_t peer_id;
+ uint16_t msize;
+
+ msg = (const struct GNUNET_TESTBED_PeerGetConfigurationMessage *) message;
+ peer_id = ntohl (msg->peer_id);
+ if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
+ {
+ send_operation_fail_msg (client, GNUNET_ntohll (msg->operation_id),
+ "Peer not found");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ peer = peer_list[peer_id];
+ if (GNUNET_YES == peer->is_remote)
+ {
+ struct ForwardedOperationContext *fopc;
+
+ fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ GNUNET_SERVER_client_keep (client);
+ fopc->client = client;
+ fopc->operation_id = GNUNET_ntohll (msg->operation_id);
+ fopc->opc =
+ GNUNET_TESTBED_forward_operation_msg_
(peer->details.remote.slave->controller,
+ fopc->operation_id,
&msg->header,
+
&forwarded_operation_reply_relay,
+ fopc);
+ fopc->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
+ fopc);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ config =
+ GNUNET_CONFIGURATION_serialize (peer_list[peer_id]->details.local.cfg,
+ &c_size);
+ xc_size = GNUNET_TESTBED_compress_config_ (config, c_size, &xconfig);
+ GNUNET_free (config);
+ msize =
+ xc_size +
+ sizeof (struct GNUNET_TESTBED_PeerConfigurationInformationMessage);
+ reply = GNUNET_realloc (xconfig, msize);
+ (void) memmove (&reply[1], reply, xc_size);
+ reply->header.size = htons (msize);
+ reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG);
+ reply->peer_id = msg->peer_id;
+ reply->operation_id = msg->operation_id;
+ GNUNET_TESTING_peer_get_identity (peer_list[peer_id]->details.local.peer,
+ &reply->peer_identity);
+ reply->config_size = htons ((uint16_t) c_size);
+ queue_message (client, &reply->header);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Task for cleaing up overlay connect context structure
+ *
+ * @param cls the overlay connect context
+ * @param tc the task context
+ */
+static void
+occ_cleanup (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct OverlayConnectContext *occ = cls;
+
+ LOG_DEBUG ("Cleaning up occ\n");
+ GNUNET_free_non_null (occ->emsg);
+ GNUNET_free_non_null (occ->hello);
+ GNUNET_SERVER_client_drop (occ->client);
+ if (NULL != occ->opc)
+ GNUNET_TESTBED_forward_operation_msg_cancel_ (occ->opc);
+ if (GNUNET_SCHEDULER_NO_TASK != occ->send_hello_task)
+ GNUNET_SCHEDULER_cancel (occ->send_hello_task);
+ if (NULL != occ->ch)
+ GNUNET_CORE_disconnect (occ->ch);
+ if (NULL != occ->ghh)
+ GNUNET_TRANSPORT_get_hello_cancel (occ->ghh);
+ if (NULL != occ->p1th)
+ GNUNET_TRANSPORT_disconnect (occ->p1th);
+ if (NULL != occ->p2th)
+ GNUNET_TRANSPORT_disconnect (occ->p2th);
+ GNUNET_free (occ);
+}
+
+
+/**
+ * Task which will be run when overlay connect request has been timed out
+ *
+ * @param cls the OverlayConnectContext
+ * @param tc the TaskContext
+ */
+static void
+timeout_overlay_connect (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct OverlayConnectContext *occ = cls;
+
+ occ->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Timeout while connecting peers %u and %u\n",
+ occ->peer_id, occ->other_peer_id);
+ send_operation_fail_msg (occ->client, occ->op_id, occ->emsg);
+ occ_cleanup (occ, tc);
+}
+
+
+
+/**
+ * Function called to notify transport users that another
+ * peer connected to us.
+ *
+ * @param cls closure
+ * @param new_peer the peer that connected
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
+ */
+static void
+overlay_connect_notify (void *cls, const struct GNUNET_PeerIdentity *new_peer,
+ const struct GNUNET_ATS_Information *ats,
+ unsigned int ats_count)
+{
+ struct OverlayConnectContext *occ = cls;
+ struct GNUNET_TESTBED_ConnectionEventMessage *msg;
+ char *new_peer_str;
+ char *other_peer_str;
+
+ LOG_DEBUG ("Overlay connect notify\n");
+ if (0 ==
+ memcmp (new_peer, &occ->peer_identity,
+ sizeof (struct GNUNET_PeerIdentity)))
+ return;
+ new_peer_str = GNUNET_strdup (GNUNET_i2s (new_peer));
+ other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
+ if (0 !=
+ memcmp (new_peer, &occ->other_peer_identity,
+ sizeof (struct GNUNET_PeerIdentity)))
+ {
+ LOG_DEBUG ("Unexpected peer %4s connected when expecting peer %4s\n",
+ new_peer_str, other_peer_str);
+ GNUNET_free (new_peer_str);
+ GNUNET_free (other_peer_str);
+ return;
+ }
+ GNUNET_free (new_peer_str);
+ LOG_DEBUG ("Peer %4s connected to peer %4s\n", other_peer_str,
+ GNUNET_i2s (&occ->peer_identity));
+ GNUNET_free (other_peer_str);
+ if (GNUNET_SCHEDULER_NO_TASK != occ->send_hello_task)
+ {
+ GNUNET_SCHEDULER_cancel (occ->send_hello_task);
+ occ->send_hello_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK != occ->timeout_task);
+ GNUNET_SCHEDULER_cancel (occ->timeout_task);
+ occ->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_free_non_null (occ->emsg);
+ occ->emsg = NULL;
+ if (NULL != occ->p2th)
+ GNUNET_TRANSPORT_disconnect (occ->p2th);
+ occ->p2th = NULL;
+ LOG_DEBUG ("Peers connected - Sending overlay connect success\n");
+ msg = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
+ msg->header.size =
+ htons (sizeof (struct GNUNET_TESTBED_ConnectionEventMessage));
+ msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONEVENT);
+ msg->event_type = htonl (GNUNET_TESTBED_ET_CONNECT);
+ msg->peer1 = htonl (occ->peer_id);
+ msg->peer2 = htonl (occ->other_peer_id);
+ msg->operation_id = GNUNET_htonll (occ->op_id);
+ queue_message (occ->client, &msg->header);
+ GNUNET_SCHEDULER_add_now (&occ_cleanup, occ);
+}
+
+
+/**
+ * Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to
+ * peer 1.
+ *
+ * @param cls the OverlayConnectContext
+ * @param tc the TaskContext from scheduler
+ */
+static void
+send_hello (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct OverlayConnectContext *occ = cls;
+ char *other_peer_str;
+
+ occ->send_hello_task = GNUNET_SCHEDULER_NO_TASK;
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ return;
+ GNUNET_assert (NULL != occ->hello);
+ other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
+ if (NULL != occ->peer2_controller)
+ {
+ struct GNUNET_TESTBED_RequestConnectMessage *msg;
+ uint16_t msize;
+ uint16_t hello_size;
+
+ LOG_DEBUG ("Offering HELLO of %s to %s via Remote Overlay Request\n",
+ GNUNET_i2s (&occ->peer_identity), other_peer_str);
+ hello_size = ntohs (occ->hello->size);
+ msize = sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hello_size;
+ msg = GNUNET_malloc (msize);
+ msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT);
+ msg->header.size = htons (msize);
+ msg->peer = htonl (occ->other_peer_id);
+ msg->operation_id = GNUNET_htonll (occ->op_id);
+ (void) memcpy (&msg->peer_identity, &occ->peer_identity,
+ sizeof (struct GNUNET_PeerIdentity));
+ memcpy (msg->hello, occ->hello, hello_size);
+ GNUNET_TESTBED_queue_message_ (occ->peer2_controller, &msg->header);
+ }
+ else
+ {
+ LOG_DEBUG ("Offering HELLO of %s to %s\n",
+ GNUNET_i2s (&occ->peer_identity), other_peer_str);
+ GNUNET_TRANSPORT_offer_hello (occ->p2th, occ->hello, NULL, NULL);
+ GNUNET_TRANSPORT_try_connect (occ->p2th, &occ->peer_identity);
+ occ->send_hello_task =
+ GNUNET_SCHEDULER_add_delayed
+ (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+ 100 * (pow (2, occ->retries++))),
+ &send_hello, occ);
+ }
+ GNUNET_free (other_peer_str);
+}
+
+/**
+ * Test for checking whether HELLO message is empty
+ *
+ * @param cls empty flag to set
+ * @param address the HELLO
+ * @param expiration expiration of the HELLO
+ * @return
+ */
+static int
+test_address (void *cls, const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_TIME_Absolute expiration)
+{
+ int *empty = cls;
+
+ *empty = GNUNET_NO;
+ return GNUNET_OK;
+}
+
+
+/**
+ * Function called whenever there is an update to the HELLO of peers in the
+ * OverlayConnectClosure. If we have a valid HELLO, we connect to the peer 2's
+ * transport and offer peer 1's HELLO and ask peer 2 to connect to peer 1
+ *
+ * @param cls closure
+ * @param hello our updated HELLO
+ */
+static void
+hello_update_cb (void *cls, const struct GNUNET_MessageHeader *hello)
+{
+ struct OverlayConnectContext *occ = cls;
+ int empty;
+ uint16_t msize;
+
+ msize = ntohs (hello->size);
+ empty = GNUNET_YES;
+ (void) GNUNET_HELLO_iterate_addresses ((const struct GNUNET_HELLO_Message *)
+ hello, GNUNET_NO, &test_address,
+ &empty);
+ if (GNUNET_YES == empty)
+ {
+ LOG_DEBUG ("HELLO of %s is empty\n", GNUNET_i2s (&occ->peer_identity));
+ return;
+ }
+ LOG_DEBUG ("Received HELLO of %s\n", GNUNET_i2s (&occ->peer_identity));
+ occ->hello = GNUNET_malloc (msize);
+ memcpy (occ->hello, hello, msize);
+ GNUNET_TRANSPORT_get_hello_cancel (occ->ghh);
+ occ->ghh = NULL;
+ GNUNET_TRANSPORT_disconnect (occ->p1th);
+ occ->p1th = NULL;
+ GNUNET_free_non_null (occ->emsg);
+ if (NULL == occ->peer2_controller)
+ {
+ occ->p2th =
+ GNUNET_TRANSPORT_connect
(peer_list[occ->other_peer_id]->details.local.cfg,
+ &occ->other_peer_identity, NULL, NULL, NULL,
+ NULL);
+ if (NULL == occ->p2th)
+ {
+ GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of %s\n",
+ GNUNET_i2s (&occ->other_peer_identity));
+ GNUNET_SCHEDULER_cancel (occ->timeout_task);
+ occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect,
occ);
+ return;
+ }
+ }
+ occ->emsg = GNUNET_strdup ("Timeout while offering HELLO to other peer");
+ occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
+}
+
+
+/**
+ * Function called after GNUNET_CORE_connect has succeeded (or failed
+ * for good). Note that the private key of the peer is intentionally
+ * not exposed here; if you need it, your process should try to read
+ * the private key file directly (which should work if you are
+ * authorized...).
+ *
+ * @param cls closure
+ * @param server handle to the server, NULL if we failed
+ * @param my_identity ID of this peer, NULL if we failed
+ */
+static void
+core_startup_cb (void *cls, struct GNUNET_CORE_Handle *server,
+ const struct GNUNET_PeerIdentity *my_identity)
+{
+ struct OverlayConnectContext *occ = cls;
+
+ GNUNET_free_non_null (occ->emsg);
+ occ->emsg = GNUNET_strdup ("Failed to connect to CORE\n");
+ if ((NULL == server) || (NULL == my_identity))
+ goto error_return;
+ GNUNET_free (occ->emsg);
+ occ->ch = server;
+ occ->emsg = NULL;
+ memcpy (&occ->peer_identity, my_identity,
+ sizeof (struct GNUNET_PeerIdentity));
+ occ->p1th =
+ GNUNET_TRANSPORT_connect (occ->peer->details.local.cfg,
+ &occ->peer_identity, NULL, NULL, NULL, NULL);
+ if (NULL == occ->p1th)
+ {
+ GNUNET_asprintf (&occ->emsg, "Cannot connect to TRANSPORT of peers %4s",
+ GNUNET_i2s (&occ->peer_identity));
+ goto error_return;
+ }
+ LOG_DEBUG ("Acquiring HELLO of peer %s\n", GNUNET_i2s (&occ->peer_identity));
+ occ->emsg = GNUNET_strdup ("Timeout while acquiring HELLO message");
+ occ->ghh = GNUNET_TRANSPORT_get_hello (occ->p1th, &hello_update_cb, occ);
+ return;
+
+ error_return:
+ GNUNET_SCHEDULER_cancel (occ->timeout_task);
+ occ->timeout_task = GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
+ return;
+}
+
+
+/**
+ * Callback to be called when forwarded get peer config operation as part of
+ * overlay connect is successfull. Connection to Peer 1's core is made and is
+ * checked for new connection from peer 2
+ *
+ * @param cls ForwardedOperationContext
+ * @param msg the peer create success message
+ */
+static void
+overlay_connect_get_config (void *cls, const struct GNUNET_MessageHeader *msg)
+{
+ struct OverlayConnectContext *occ = cls;
+ const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *cmsg;
+ const struct GNUNET_CORE_MessageHandler no_handlers[] = {
+ {NULL, 0, 0}
+ };
+
+ occ->opc = NULL;
+ if (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG != ntohs (msg->type))
+ goto error_return;
+ cmsg = (const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *)
+ msg;
+ memcpy (&occ->other_peer_identity, &cmsg->peer_identity,
+ sizeof (struct GNUNET_PeerIdentity));
+ GNUNET_free_non_null (occ->emsg);
+ occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
+ occ->ch =
+ GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
+ &overlay_connect_notify, NULL, NULL, GNUNET_NO,
NULL,
+ GNUNET_NO, no_handlers);
+ if (NULL == occ->ch)
+ goto error_return;
+ return;
+
+ error_return:
+ GNUNET_SCHEDULER_cancel (occ->timeout_task);
+ occ->timeout_task =
+ GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
+}
+
+
+/**
+ * Callback which will be called to after a host registration succeeded or
failed
+ *
+ * @param cls the RegisteredHostContext
+ * @param emsg the error message; NULL if host registration is successful
+ */
+static void
+registeredhost_registration_completion (void *cls, const char *emsg)
+{
+ struct RegisteredHostContext *rhc = cls;
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+ uint32_t peer2_host_id;
+
+ /* if (NULL != rhc->focc_dll_head) */
+ /* process_next_focc (rhc); */
+ peer2_host_id = GNUNET_TESTBED_host_get_id_ (rhc->reg_host);
+ GNUNET_assert (RHC_INIT == rhc->state);
+ GNUNET_assert (NULL == rhc->sub_op);
+ if ((NULL == rhc->gateway2)
+ || ((peer2_host_id < slave_list_size) /* Check if we have the needed
config */
+ && (NULL != slave_list[peer2_host_id])))
+ {
+ rhc->state = RHC_LINK;
+ cfg = (NULL == rhc->gateway2) ? our_config :
slave_list[peer2_host_id]->cfg;
+ rhc->sub_op =
+ GNUNET_TESTBED_controller_link (rhc,
+ rhc->gateway->controller,
+ rhc->reg_host,
+ rhc->host,
+ cfg,
+ GNUNET_NO);
+ return;
+ }
+ rhc->state = RHC_GET_CFG;
+ rhc->sub_op = GNUNET_TESTBED_get_slave_config (rhc,
+ rhc->gateway2->controller,
+ rhc->reg_host);
+}
+
+
+/**
+ * Iterator to match a registered host context
+ *
+ * @param cls pointer 2 pointer of RegisteredHostContext
+ * @param key current key code
+ * @param value value in the hash map
+ * @return GNUNET_YES if we should continue to
+ * iterate,
+ * GNUNET_NO if not.
+ */
+static int
+reghost_match_iterator (void *cls,
+ const struct GNUNET_HashCode * key,
+ void *value)
+{
+ struct RegisteredHostContext **rh = cls;
+ struct RegisteredHostContext *rh_val = value;
+
+ if ((rh_val->host == (*rh)->host) && (rh_val->reg_host == (*rh)->reg_host))
+ {
+ GNUNET_free (*rh);
+ *rh = rh_val;
+ return GNUNET_NO;
+ }
+ return GNUNET_YES;
+}
+
+
+/**
+ * Handler for GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_overlay_connect (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_OverlayConnectMessage *msg;
+ struct OverlayConnectContext *occ;
+ const struct GNUNET_CORE_MessageHandler no_handlers[] = {
+ {NULL, 0, 0}
+ };
+ struct Peer *peer;
+ uint64_t operation_id;
+ uint32_t p1;
+ uint32_t p2;
+ uint32_t peer2_host_id;
+
+ msg = (const struct GNUNET_TESTBED_OverlayConnectMessage *) message;
+ p1 = ntohl (msg->peer1);
+ p2 = ntohl (msg->peer2);
+ peer2_host_id = ntohl (msg->peer2_host_id);
+ GNUNET_assert (p1 < peer_list_size);
+ GNUNET_assert (NULL != peer_list[p1]);
+ peer = peer_list[p1];
+ operation_id = GNUNET_ntohll (msg->operation_id);
+ LOG_DEBUG ("Received overlay connect for peers %u and %u with op id:
0x%lx\n",
+ p1, p2, operation_id);
+ if (GNUNET_YES == peer->is_remote)
+ {
+ struct ForwardedOperationContext *fopc;
+ struct Route *route_to_peer2_host;
+ struct Route *route_to_peer1_host;
+
+ LOG_DEBUG ("Forwarding overlay connect\n");
+ GNUNET_SERVER_client_keep (client);
+ route_to_peer2_host = NULL;
+ route_to_peer1_host = NULL;
+ route_to_peer2_host = find_dest_route (peer2_host_id);
+ if ((NULL != route_to_peer2_host)
+ || (peer2_host_id == master_context->host_id))
+ {
+ route_to_peer1_host =
+ find_dest_route (peer_list[p1]->details.remote.remote_host_id);
+ GNUNET_assert (NULL != route_to_peer1_host);
+ if ((peer2_host_id == master_context->host_id)
+ || (route_to_peer2_host->dest != route_to_peer1_host->dest))
+ {
+ struct GNUNET_HashCode hash;
+ struct RegisteredHostContext *rhc;
+ int skip_focc;
+
+ rhc = GNUNET_malloc (sizeof (struct RegisteredHostContext));
+ rhc->reg_host = host_list[route_to_peer2_host->dest];
+ rhc->host = host_list[route_to_peer1_host->dest];
+ GNUNET_assert (NULL != rhc->reg_host);
+ GNUNET_assert (NULL != rhc->host);
+ rhc->gateway = peer->details.remote.slave;
+ rhc->gateway2 = (NULL == route_to_peer2_host) ? NULL :
+ slave_list[route_to_peer2_host->dest];
+ rhc->state = RHC_INIT;
+ GNUNET_SERVER_client_keep (client);
+ rhc->client = client;
+ hash = hash_hosts (rhc->reg_host, rhc->host);
+ skip_focc = GNUNET_NO;
+ if ((GNUNET_NO ==
+ GNUNET_CONTAINER_multihashmap_contains
+ (peer->details.remote.slave->reghost_map, &hash))
+ || (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple
+ (peer->details.remote.slave->reghost_map, &hash,
+ reghost_match_iterator, &rhc)))
+ {
+ /* create and add a new registerd host context */
+ /* add the focc to its queue */
+ GNUNET_CONTAINER_multihashmap_put
+ (peer->details.remote.slave->reghost_map,
+ &hash, rhc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+ GNUNET_assert (NULL != host_list[peer2_host_id]);
+ queue_host_registration (peer->details.remote.slave,
+ registeredhost_registration_completion, rhc,
+ host_list[peer2_host_id]);
+ }
+ else {
+ /* rhc is now set to the existing one from the hash map by
+ reghost_match_iterator */
+ /* if queue is empty then ignore creating focc and proceed with
+ normal forwarding */
+ if (NULL == rhc->focc_dll_head)
+ skip_focc = GNUNET_YES;
+ }
+ if (GNUNET_NO == skip_focc)
+ {
+ struct ForwardedOverlayConnectContext *focc;
+ uint16_t msize;
+
+ msize = sizeof (struct GNUNET_TESTBED_OverlayConnectMessage);
+ focc = GNUNET_malloc (sizeof (struct
ForwardedOverlayConnectContext));
+ focc->peer1 = p1;
+ focc->peer2 = p2;
+ focc->peer2_host_id = peer2_host_id;
+ focc->orig_msg = GNUNET_malloc (msize);
+ (void) memcpy (focc->orig_msg, message, msize);
+ focc->operation_id = operation_id;
+ GNUNET_CONTAINER_DLL_insert_tail (rhc->focc_dll_head,
+ rhc->focc_dll_tail,
+ focc);
+ return;
+ }
+ }
+ }
+ fopc = GNUNET_malloc (sizeof (struct ForwardedOperationContext));
+ fopc->client = client;
+ fopc->operation_id = operation_id;
+ fopc->opc =
+ GNUNET_TESTBED_forward_operation_msg_
(peer->details.remote.slave->controller,
+ operation_id, message,
+ &forwarded_operation_reply_relay,
+ fopc);
+ fopc->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &forwarded_operation_timeout,
+ fopc);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ occ = GNUNET_malloc (sizeof (struct OverlayConnectContext));
+ GNUNET_SERVER_client_keep (client);
+ occ->client = client;
+ occ->peer_id = p1;
+ occ->other_peer_id = p2;
+ occ->peer = peer_list[p1];
+ occ->op_id = GNUNET_ntohll (msg->operation_id);
+ if ((p2 >= peer_list_size) || (NULL == peer_list[p2]))
+ {
+ if ((peer2_host_id >= slave_list_size)
+ || (NULL ==slave_list[peer2_host_id]))
+ {
+ struct GNUNET_TESTBED_NeedControllerConfig *reply;
+
+ LOG_DEBUG ("Need controller configuration for connecting peers %u and
%u\n",
+ occ->peer_id, occ->other_peer_id);
+ GNUNET_free (occ);
+ reply = GNUNET_malloc (sizeof (struct
+ GNUNET_TESTBED_NeedControllerConfig));
+ reply->header.size = htons (sizeof (struct
+
GNUNET_TESTBED_NeedControllerConfig));
+ reply->header.type = htons
(GNUNET_MESSAGE_TYPE_TESTBED_NEEDCONTROLLERCONFIG);
+ reply->controller_host_id = msg->peer2_host_id;
+ reply->operation_id = msg->operation_id;
+ queue_message (client, &reply->header);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ else
+ {
+ occ->peer2_controller = slave_list[peer2_host_id]->controller;
+ if (NULL == occ->peer2_controller)
+ {
+ GNUNET_break (0); /* What's going on? */
+ GNUNET_SERVER_client_drop (client);
+ GNUNET_free (occ);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ }
+ }
+ else
+ {
+ if (GNUNET_YES == peer_list[occ->other_peer_id]->is_remote)
+ occ->peer2_controller =
peer_list[occ->other_peer_id]->details.remote.slave->controller;
+ }
+ /* Get the identity of the second peer */
+ if (NULL != occ->peer2_controller)
+ {
+ struct GNUNET_TESTBED_PeerGetConfigurationMessage cmsg;
+
+ cmsg.header.size =
+ htons (sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage));
+ cmsg.header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG);
+ cmsg.peer_id = msg->peer2;
+ cmsg.operation_id = msg->operation_id;
+ occ->opc =
+ GNUNET_TESTBED_forward_operation_msg_ (occ->peer2_controller,
+ occ->op_id, &cmsg.header,
+ &overlay_connect_get_config,
+ occ);
+ occ->emsg =
+ GNUNET_strdup ("Timeout while getting peer identity of peer B\n");
+ occ->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS, 30),
+ &timeout_overlay_connect, occ);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ GNUNET_TESTING_peer_get_identity
(peer_list[occ->other_peer_id]->details.local.peer,
+ &occ->other_peer_identity);
+ /* Connect to the core of 1st peer and wait for the 2nd peer to connect */
+ occ->emsg = GNUNET_strdup ("Timeout while connecting to CORE");
+ occ->ch =
+ GNUNET_CORE_connect (occ->peer->details.local.cfg, occ, &core_startup_cb,
+ &overlay_connect_notify, NULL, NULL, GNUNET_NO,
NULL,
+ GNUNET_NO, no_handlers);
+ if (NULL == occ->ch)
+ occ->timeout_task =
+ GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
+ else
+ occ->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS, 30),
+ &timeout_overlay_connect, occ);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Function to cleanup RequestOverlayConnectContext and any associated tasks
+ * with it
+ *
+ * @param rocc the RequestOverlayConnectContext
+ */
+static void
+cleanup_rocc (struct RequestOverlayConnectContext *rocc)
+{
+ if (GNUNET_SCHEDULER_NO_TASK != rocc->attempt_connect_task_id)
+ GNUNET_SCHEDULER_cancel (rocc->attempt_connect_task_id);
+ if (GNUNET_SCHEDULER_NO_TASK != rocc->timeout_rocc_task_id)
+ GNUNET_SCHEDULER_cancel (rocc->timeout_rocc_task_id);
+ GNUNET_TRANSPORT_disconnect (rocc->th);
+ GNUNET_free_non_null (rocc->hello);
+ GNUNET_free (rocc);
+}
+
+
+/**
+ * Task to timeout rocc and cleanit up
+ *
+ * @param cls the RequestOverlayConnectContext
+ * @param tc the TaskContext from scheduler
+ */
+static void
+timeout_rocc_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct RequestOverlayConnectContext *rocc = cls;
+
+ rocc->timeout_rocc_task_id = GNUNET_SCHEDULER_NO_TASK;
+ cleanup_rocc (rocc);
+}
+
+
+/**
+ * Function called to notify transport users that another
+ * peer connected to us.
+ *
+ * @param cls closure
+ * @param new_peer the peer that connected
+ * @param ats performance data
+ * @param ats_count number of entries in ats (excluding 0-termination)
+ */
+static void
+transport_connect_notify (void *cls, const struct GNUNET_PeerIdentity
*new_peer,
+ const struct GNUNET_ATS_Information * ats,
+ uint32_t ats_count)
+{
+ struct RequestOverlayConnectContext *rocc = cls;
+
+ LOG_DEBUG ("Request Overlay connect notify\n");
+ if (0 != memcmp (new_peer, &rocc->a_id, sizeof (struct GNUNET_PeerIdentity)))
+ return;
+ LOG_DEBUG ("Peer %4s connected\n", GNUNET_i2s (&rocc->a_id));
+ cleanup_rocc (rocc);
+}
+
+
+/**
+ * Task to offer the HELLO message to the peer and ask it to connect to the
peer
+ * whose identity is in RequestOverlayConnectContext
+ *
+ * @param cls the RequestOverlayConnectContext
+ * @param tc the TaskContext from scheduler
+ */
+static void
+attempt_connect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct RequestOverlayConnectContext *rocc = cls;
+
+ rocc->attempt_connect_task_id = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_TRANSPORT_offer_hello (rocc->th, rocc->hello, NULL, NULL);
+ GNUNET_TRANSPORT_try_connect (rocc->th, &rocc->a_id);
+ rocc->attempt_connect_task_id =
+ GNUNET_SCHEDULER_add_delayed
+ (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+ 100 * (pow (2, rocc->retries++))),
+ &attempt_connect_task, rocc);
+}
+
+
+/**
+ * Handler for GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_overlay_request_connect (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ const struct GNUNET_TESTBED_RequestConnectMessage *msg;
+ struct RequestOverlayConnectContext *rocc;
+ struct Peer *peer;
+ uint32_t peer_id;
+ uint16_t msize;
+ uint16_t hsize;
+
+ msize = ntohs (message->size);
+ if (sizeof (struct GNUNET_TESTBED_RequestConnectMessage) >= msize)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ msg = (const struct GNUNET_TESTBED_RequestConnectMessage *) message;
+ if ((NULL == msg->hello) ||
+ (GNUNET_MESSAGE_TYPE_HELLO != ntohs (msg->hello->type)))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ hsize = ntohs (msg->hello->size);
+ if ((sizeof (struct GNUNET_TESTBED_RequestConnectMessage) + hsize) != msize)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ peer_id = ntohl (msg->peer);
+ if ((peer_id >= peer_list_size) || (NULL == (peer = peer_list[peer_id])))
+ {
+ GNUNET_break_op (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ if (GNUNET_YES == peer->is_remote)
+ {
+ struct GNUNET_MessageHeader *msg2;
+
+ msg2 = GNUNET_malloc (msize);
+ (void) memcpy (msg2, message, msize);
+ GNUNET_TESTBED_queue_message_ (peer->details.remote.slave->controller,
msg2);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ rocc = GNUNET_malloc (sizeof (struct RequestOverlayConnectContext));
+ rocc->th = GNUNET_TRANSPORT_connect (peer->details.local.cfg, NULL, rocc,
+ NULL, &transport_connect_notify, NULL);
+ if (NULL == rocc->th)
+ {
+ GNUNET_break (0);
+ GNUNET_free (rocc);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ memcpy (&rocc->a_id, &msg->peer_identity,
+ sizeof (struct GNUNET_PeerIdentity));
+ rocc->hello = GNUNET_malloc (hsize);
+ memcpy (rocc->hello, msg->hello, hsize);
+ rocc->attempt_connect_task_id =
+ GNUNET_SCHEDULER_add_now (&attempt_connect_task, rocc);
+ rocc->timeout_rocc_task_id =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_rocc_task, rocc);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void
+handle_slave_get_config (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct GNUNET_TESTBED_SlaveGetConfigurationMessage *msg;
+ struct Slave *slave;
+ struct GNUNET_TESTBED_SlaveConfiguration *reply;
+ char *config;
+ char *xconfig;
+ size_t config_size;
+ size_t xconfig_size;
+ size_t reply_size;
+ uint64_t op_id;
+ uint32_t slave_id;
+
+ msg = (struct GNUNET_TESTBED_SlaveGetConfigurationMessage *) message;
+ slave_id = ntohl (msg->slave_id);
+ op_id = GNUNET_ntohll (msg->operation_id);
+ if ((slave_list_size <= slave_id) || (NULL == slave_list[slave_id]))
+ {
+ send_operation_fail_msg (client, op_id, "Slave not found");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ slave = slave_list[slave_id];
+ if (NULL == slave->cfg)
+ {
+ send_operation_fail_msg (client, op_id,
+ "Configuration not found (slave not started by
me)");
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+ config = GNUNET_CONFIGURATION_serialize (slave->cfg, &config_size);
+ xconfig_size = GNUNET_TESTBED_compress_config_ (config, config_size,
+ &xconfig);
+ GNUNET_free (config);
+ reply_size = xconfig_size + sizeof (struct
GNUNET_TESTBED_SlaveConfiguration);
+ GNUNET_break (reply_size <= UINT16_MAX);
+ GNUNET_break (config_size <= UINT16_MAX);
+ reply = GNUNET_realloc (xconfig, reply_size);
+ (void) memmove (&reply[1], reply, xconfig_size);
+ reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_SLAVECONFIG);
+ reply->header.size = htons ((uint16_t) reply_size);
+ reply->slave_id = msg->slave_id;
+ reply->operation_id = msg->operation_id;
+ reply->config_size = htons ((uint16_t) config_size);
+ queue_message (client, &reply->header);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Iterator over hash map entries.
+ *
+ * @param cls closure
+ * @param key current key code
+ * @param value value in the hash map
+ * @return GNUNET_YES if we should continue to
+ * iterate,
+ * GNUNET_NO if not.
+ */
+static int
+ss_map_free_iterator (void *cls, const struct GNUNET_HashCode *key, void
*value)
+{
+ struct SharedService *ss = value;
+
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove (ss_map, key, value));
+ GNUNET_free (ss->name);
+ GNUNET_free (ss);
+ return GNUNET_YES;
+}
+
+
+/**
+ * Iterator for freeing hash map entries in a slave's reghost_map
+ *
+ * @param cls handle to the slave
+ * @param key current key code
+ * @param value value in the hash map
+ * @return GNUNET_YES if we should continue to
+ * iterate,
+ * GNUNET_NO if not.
+ */
+static int
+reghost_free_iterator (void *cls,
+ const struct GNUNET_HashCode * key,
+ void *value)
+{
+ struct Slave *slave = cls;
+ struct RegisteredHostContext *rhc = value;
+ struct ForwardedOverlayConnectContext *focc;
+
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove (slave->reghost_map,
+ key, value));
+ while (NULL != (focc = rhc->focc_dll_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head,
+ rhc->focc_dll_tail,
+ focc);
+ cleanup_focc (focc);
+ }
+ if (NULL != rhc->sub_op)
+ GNUNET_TESTBED_operation_cancel (rhc->sub_op);
+ if (NULL != rhc->client)
+ GNUNET_SERVER_client_drop (rhc->client);
+ GNUNET_free (value);
+ return GNUNET_YES;
+}
+
+
+/**
+ * Task to clean up and shutdown nicely
+ *
+ * @param cls NULL
+ * @param tc the TaskContext from scheduler
+ */
+static void
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct LCFContextQueue *lcfq;
+ uint32_t id;
+
+ shutdown_task_id = GNUNET_SCHEDULER_NO_TASK;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down testbed service\n");
+ (void) GNUNET_CONTAINER_multihashmap_iterate (ss_map, &ss_map_free_iterator,
+ NULL);
+ GNUNET_CONTAINER_multihashmap_destroy (ss_map);
+ if (NULL != lcfq_head)
+ {
+ if (GNUNET_SCHEDULER_NO_TASK != lcf_proc_task_id)
+ {
+ GNUNET_SCHEDULER_cancel (lcf_proc_task_id);
+ lcf_proc_task_id = GNUNET_SCHEDULER_NO_TASK;
+ }
+ }
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == lcf_proc_task_id);
+ for (lcfq = lcfq_head; NULL != lcfq; lcfq = lcfq_head)
+ {
+ GNUNET_free (lcfq->lcf->msg);
+ GNUNET_free (lcfq->lcf);
+ GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
+ GNUNET_free (lcfq);
+ }
+ /* Clear peer list */
+ for (id = 0; id < peer_list_size; id++)
+ if (NULL != peer_list[id])
+ {
+ if (GNUNET_NO == peer_list[id]->is_remote)
+ {
+ if (GNUNET_YES == peer_list[id]->details.local.is_running)
+ GNUNET_TESTING_peer_stop (peer_list[id]->details.local.peer);
+ GNUNET_TESTING_peer_destroy (peer_list[id]->details.local.peer);
+ GNUNET_CONFIGURATION_destroy (peer_list[id]->details.local.cfg);
+ }
+ GNUNET_free (peer_list[id]);
+ }
+ GNUNET_free_non_null (peer_list);
+ /* Clear host list */
+ for (id = 0; id < host_list_size; id++)
+ if (NULL != host_list[id])
+ GNUNET_TESTBED_host_destroy (host_list[id]);
+ GNUNET_free_non_null (host_list);
+ /* Clear route list */
+ for (id = 0; id < route_list_size; id++)
+ if (NULL != route_list[id])
+ GNUNET_free (route_list[id]);
+ GNUNET_free_non_null (route_list);
+ /* Clear slave_list */
+ for (id = 0; id < slave_list_size; id++)
+ if (NULL != slave_list[id])
+ {
+ struct HostRegistration *hr_entry;
+
+ while (NULL != (hr_entry = slave_list[id]->hr_dll_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (slave_list[id]->hr_dll_head,
+ slave_list[id]->hr_dll_tail,
+ hr_entry);
+ GNUNET_free (hr_entry);
+ }
+ if (NULL != slave_list[id]->rhandle)
+ GNUNET_TESTBED_cancel_registration (slave_list[id]->rhandle);
+ (void) GNUNET_CONTAINER_multihashmap_iterate
(slave_list[id]->reghost_map,
+ reghost_free_iterator,
+ slave_list[id]);
+ GNUNET_CONTAINER_multihashmap_destroy (slave_list[id]->reghost_map);
+ if (NULL != slave_list[id]->cfg)
+ GNUNET_CONFIGURATION_destroy (slave_list[id]->cfg);
+ if (NULL != slave_list[id]->controller)
+ GNUNET_TESTBED_controller_disconnect (slave_list[id]->controller);
+ if (NULL != slave_list[id]->controller_proc)
+ GNUNET_TESTBED_controller_stop (slave_list[id]->controller_proc);
+ GNUNET_free (slave_list[id]);
+ }
+ GNUNET_free_non_null (slave_list);
+ if (NULL != master_context)
+ {
+ GNUNET_free_non_null (master_context->master_ip);
+ if (NULL != master_context->system)
+ GNUNET_TESTING_system_destroy (master_context->system, GNUNET_YES);
+ GNUNET_free (master_context);
+ master_context = NULL;
+ }
+ GNUNET_free_non_null (hostname);
+ GNUNET_CONFIGURATION_destroy (our_config);
+}
+
+
+/**
+ * Callback for client disconnect
+ *
+ * @param cls NULL
+ * @param client the client which has disconnected
+ */
+static void
+client_disconnect_cb (void *cls, struct GNUNET_SERVER_Client *client)
+{
+ if (NULL == master_context)
+ return;
+ if (client == master_context->client)
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Master client disconnected\n");
+ GNUNET_SERVER_client_drop (client);
+ /* should not be needed as we're terminated by failure to read
+ * from stdin, but if stdin fails for some reason, this shouldn't
+ * hurt for now --- might need to revise this later if we ever
+ * decide that master connections might be temporarily down
+ * for some reason */
+ //GNUNET_SCHEDULER_shutdown ();
+ }
+}
+
+
+/**
+ * Testbed setup
+ *
+ * @param cls closure
+ * @param server the initialized server
+ * @param cfg configuration to use
+ */
+static void
+testbed_run (void *cls, struct GNUNET_SERVER_Handle *server,
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ static const struct GNUNET_SERVER_MessageHandler message_handlers[] = {
+ {&handle_init, NULL, GNUNET_MESSAGE_TYPE_TESTBED_INIT, 0},
+ {&handle_add_host, NULL, GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST, 0},
+ {&handle_configure_shared_service, NULL,
+ GNUNET_MESSAGE_TYPE_TESTBED_SERVICESHARE, 0},
+ {&handle_link_controllers, NULL,
+ GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS, 0},
+ {&handle_peer_create, NULL, GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER, 0},
+ {&handle_peer_destroy, NULL, GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER,
+ sizeof (struct GNUNET_TESTBED_PeerDestroyMessage)},
+ {&handle_peer_start, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STARTPEER,
+ sizeof (struct GNUNET_TESTBED_PeerStartMessage)},
+ {&handle_peer_stop, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STOPPEER,
+ sizeof (struct GNUNET_TESTBED_PeerStopMessage)},
+ {&handle_peer_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG,
+ sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage)},
+ {&handle_overlay_connect, NULL, GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT,
+ sizeof (struct GNUNET_TESTBED_OverlayConnectMessage)},
+ {&handle_overlay_request_connect, NULL,
GNUNET_MESSAGE_TYPE_TESTBED_REQUESTCONNECT,
+ 0},
+ {handle_slave_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG,
+ sizeof (struct GNUNET_TESTBED_SlaveGetConfigurationMessage)},
+ {NULL}
+ };
+
+ GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string
+ (cfg, "testbed", "HOSTNAME", &hostname));
+ our_config = GNUNET_CONFIGURATION_dup (cfg);
+ GNUNET_SERVER_add_handlers (server, message_handlers);
+ GNUNET_SERVER_disconnect_notify (server, &client_disconnect_cb, NULL);
+ ss_map = GNUNET_CONTAINER_multihashmap_create (5, GNUNET_NO);
+ shutdown_task_id =
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+ &shutdown_task, NULL);
+ LOG_DEBUG ("Testbed startup complete\n");
+ event_mask = 1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED;
+}
+
+
+/**
+ * The starting point of execution
+ */
+int
+main (int argc, char *const *argv)
+{
+ //sleep (15); /* Debugging */
+ return (GNUNET_OK ==
+ GNUNET_SERVICE_run (argc, argv, "testbed",
GNUNET_SERVICE_OPTION_NONE,
+ &testbed_run, NULL)) ? 0 : 1;
+}
+
+/* end of gnunet-service-testbed.c */
Modified: gnunet/src/testbed/testbed_api_hosts.c
===================================================================
--- gnunet/src/testbed/testbed_api_hosts.c 2012-10-16 14:59:26 UTC (rev
24344)
+++ gnunet/src/testbed/testbed_api_hosts.c 2012-10-16 15:44:16 UTC (rev
24345)
@@ -439,7 +439,6 @@
}
rc = GNUNET_malloc (sizeof (struct RegisteredController));
rc->controller = controller;
- //host->controller = controller;
GNUNET_CONTAINER_DLL_insert_tail (host->rc_head, host->rc_tail, rc);
}
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