[GNUnet-SVN] r16771 - gnunet/src/transport

[gnunet]

Author: wachs
Date: 2011-09-12 14:54:48 +0200 (Mon, 12 Sep 2011)
New Revision: 16771

Added:
   gnunet/src/transport/test_transport_api_limited_sockets.c
   gnunet/src/transport/test_transport_api_limited_sockets_tcp_peer1.conf
   gnunet/src/transport/test_transport_api_limited_sockets_tcp_peer2.conf
Modified:
   gnunet/src/transport/Makefile.am
Log:
basics for a testcase with a limited number of open files


Modified: gnunet/src/transport/Makefile.am
===================================================================
--- gnunet/src/transport/Makefile.am    2011-09-12 09:21:37 UTC (rev 16770)
+++ gnunet/src/transport/Makefile.am    2011-09-12 12:54:48 UTC (rev 16771)
@@ -267,6 +267,7 @@
  test_transport_api_disconnect \
  test_transport_api_multiaddress_tcp \
  test_transport_api_tcp \
+ test_transport_api_limited_sockets_tcp \
  test_transport_api_tcp_nat \
  test_transport_api_udp \
  $(UNIX_PLUGIN_TEST) \
@@ -300,6 +301,7 @@
  test_transport_api_disconnect \
  test_transport_api_multiaddress_tcp \
  test_transport_api_tcp \
+ test_transport_api_limited_sockets_tcp \
  test_transport_api_tcp_nat \
  test_transport_api_udp \
  $(UNIX_PLUGIN_TEST) \
@@ -366,7 +368,15 @@
  $(top_builddir)/src/transport/libgnunettransport.la \
  $(top_builddir)/src/hello/libgnunethello.la \
  $(top_builddir)/src/util/libgnunetutil.la  \
- $(top_builddir)/src/transport/libgnunettransporttesting.la 
+ $(top_builddir)/src/transport/libgnunettransporttesting.la
+  
+test_transport_api_limited_sockets_tcp_SOURCES = \
+ test_transport_api_limited_sockets.c
+test_transport_api_limited_sockets_tcp_LDADD = \
+ $(top_builddir)/src/transport/libgnunettransport.la \
+ $(top_builddir)/src/hello/libgnunethello.la \
+ $(top_builddir)/src/util/libgnunetutil.la  \
+ $(top_builddir)/src/transport/libgnunettransporttesting.la
 
 test_transport_api_tcp_nat_SOURCES = \
  test_transport_api.c
@@ -383,7 +393,6 @@
  $(top_builddir)/src/hello/libgnunethello.la \
  $(top_builddir)/src/util/libgnunetutil.la \
  $(top_builddir)/src/transport/libgnunettransporttesting.la 
- 
 
 test_transport_api_multiaddress_tcp_SOURCES = \
  test_transport_api_multiaddress.c

Added: gnunet/src/transport/test_transport_api_limited_sockets.c
===================================================================
--- gnunet/src/transport/test_transport_api_limited_sockets.c                   
        (rev 0)
+++ gnunet/src/transport/test_transport_api_limited_sockets.c   2011-09-12 
12:54:48 UTC (rev 16771)
@@ -0,0 +1,378 @@
+/*
+     This file is part of GNUnet.
+     (C) 2009, 2010 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 3, 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 transport/test_transport_api.c
+ * @brief base test case for transport implementations
+ *
+ * This test case serves as a base for tcp, udp, and udp-nat
+ * transport test cases.  Based on the executable being run
+ * the correct test case will be performed.  Conservation of
+ * C code apparently.
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_hello_lib.h"
+#include "gnunet_getopt_lib.h"
+#include "gnunet_os_lib.h"
+#include "gnunet_program_lib.h"
+#include "gnunet_scheduler_lib.h"
+#include "gnunet_transport_service.h"
+#include "transport.h"
+#include "transport-testing.h"
+
+#define VERBOSE GNUNET_NO
+
+#define VERBOSE_ARM GNUNET_NO
+
+#define START_ARM GNUNET_YES
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply 
(GNUNET_TIME_UNIT_SECONDS, 60)
+
+#define MTYPE 12345
+
+#define MAX_FILES 20
+
+static char *test_source;
+
+static char *test_plugin;
+
+static char *test_name;
+
+static int ok;
+
+static GNUNET_SCHEDULER_TaskIdentifier die_task;
+
+static GNUNET_SCHEDULER_TaskIdentifier send_task;
+
+struct PeerContext *p1;
+
+struct PeerContext *p2;
+
+static GNUNET_TRANSPORT_TESTING_ConnectRequest cc;
+
+struct GNUNET_TRANSPORT_TransmitHandle *th;
+
+char *cfg_file_p1;
+
+char *cfg_file_p2;
+
+#if VERBOSE
+#define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, 
__FILE__, __LINE__); } while (0)
+#else
+#define OKPP do { ok++; } while (0)
+#endif
+
+
+static void
+end ()
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
+
+  if (send_task != GNUNET_SCHEDULER_NO_TASK)
+    GNUNET_SCHEDULER_cancel (send_task);
+
+  if (die_task != GNUNET_SCHEDULER_NO_TASK)
+    GNUNET_SCHEDULER_cancel (die_task);
+
+  if (th != NULL)
+    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
+  th = NULL;
+
+  GNUNET_TRANSPORT_TESTING_stop_peer (p1);
+  GNUNET_TRANSPORT_TESTING_stop_peer (p2);
+}
+
+static void
+end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  die_task = GNUNET_SCHEDULER_NO_TASK;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
+
+  if (send_task != GNUNET_SCHEDULER_NO_TASK)
+    GNUNET_SCHEDULER_cancel (send_task);
+
+  if (cc != NULL)
+    GNUNET_TRANSPORT_TESTING_connect_peers_cancel (cc);
+
+  if (th != NULL)
+    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
+  th = NULL;
+
+  if (p1 != NULL)
+    GNUNET_TRANSPORT_TESTING_stop_peer (p1);
+  if (p2 != NULL)
+    GNUNET_TRANSPORT_TESTING_stop_peer (p2);
+
+  ok = GNUNET_SYSERR;
+}
+
+
+static void
+notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
+                const struct GNUNET_MessageHeader *message,
+                const struct GNUNET_TRANSPORT_ATS_Information *ats,
+                uint32_t ats_count)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Received message of type %d from peer %s!\n",
+              ntohs (message->type), GNUNET_i2s (peer));
+
+  if ((MTYPE == ntohs (message->type)) &&
+      (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size)))
+  {
+    ok = 0;
+    end ();
+  }
+  else
+  {
+    GNUNET_break (0);
+    ok = 1;
+    end ();
+  }
+}
+
+
+static size_t
+notify_ready (void *cls, size_t size, void *buf)
+{
+  struct PeerContext *p = cls;
+  struct GNUNET_MessageHeader *hdr;
+
+  th = NULL;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Transmitting message with %u bytes to peer %s\n",
+              sizeof (struct GNUNET_MessageHeader), GNUNET_i2s (&p->id));
+  GNUNET_assert (size >= 256);
+
+  if (buf != NULL)
+  {
+    hdr = buf;
+    hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
+    hdr->type = htons (MTYPE);
+  }
+  return sizeof (struct GNUNET_MessageHeader);
+}
+
+
+static void
+notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
+                const struct GNUNET_TRANSPORT_ATS_Information *ats,
+                uint32_t ats_count)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' connected to us (%p)!\n",
+              GNUNET_i2s (peer), cls);
+}
+
+
+static void
+notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' disconnected (%p)!\n",
+              GNUNET_i2s (peer), cls);
+}
+
+static void
+sendtask (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  send_task = GNUNET_SCHEDULER_NO_TASK;
+
+  if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
+    return;
+
+  th = GNUNET_TRANSPORT_notify_transmit_ready (p1->th, &p2->id, 256, 0, 
TIMEOUT,
+                                               &notify_ready, &p1);
+}
+
+static void
+testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
+{
+  cc = NULL;
+  char *p1_c = strdup (GNUNET_i2s (&p1->id));
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %s <-> %s\n", p1_c,
+              GNUNET_i2s (&p2->id));
+  GNUNET_free (p1_c);
+
+  // FIXME: THIS IS REQUIRED! SEEMS TO BE A BUG!
+  send_task =
+      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &sendtask, NULL);
+}
+
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
+
+  p1 = GNUNET_TRANSPORT_TESTING_start_peer (cfg_file_p1, &notify_receive,
+                                            &notify_connect, 
&notify_disconnect,
+                                            NULL);
+  p2 = GNUNET_TRANSPORT_TESTING_start_peer (cfg_file_p2, &notify_receive,
+                                            &notify_connect, 
&notify_disconnect,
+                                            NULL);
+
+  if ((p1 == NULL) || (p2 == NULL))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
+    if (die_task != GNUNET_SCHEDULER_NO_TASK)
+      GNUNET_SCHEDULER_cancel (die_task);
+    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
+    return;
+  }
+
+  cc = GNUNET_TRANSPORT_TESTING_connect_peers (p1, p2, &testing_connect_cb,
+                                               NULL);
+}
+
+
+static int
+check ()
+{
+  static char *const argv[] = { "test-transport-api",
+    "-c",
+    "test_transport_api_data.conf",
+#if VERBOSE
+    "-L", "DEBUG",
+#endif
+    NULL
+  };
+  static struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+#if WRITECONFIG
+  setTransportOptions ("test_transport_api_data.conf");
+#endif
+  send_task = GNUNET_SCHEDULER_NO_TASK;
+
+  ok = 1;
+  GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
+                      "nohelp", options, &run, &ok);
+
+  return ok;
+}
+
+int
+main (int argc, char *argv[])
+{
+  int ret = 0;
+  int nat_res;
+  test_plugin = NULL;
+
+  GNUNET_TRANSPORT_TESTING_get_test_source_name (__FILE__, &test_source);
+  GNUNET_TRANSPORT_TESTING_get_test_plugin_name (argv[0], test_source,
+                                                 &test_plugin);
+  GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);
+
+  GNUNET_log_setup (test_name,
+#if VERBOSE
+                    "DEBUG",
+#else
+                    "WARNING",
+#endif
+                    NULL);
+
+  if ((test_plugin != NULL) && ((strcmp (test_plugin, "tcp_nat") == 0) ||
+      (strcmp (test_plugin, "udp_nat") == 0)))
+  {
+    nat_res = GNUNET_OS_check_helper_binary ("gnunet-nat-server");
+    if (GNUNET_NO == nat_res)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
+                  "gnunet-nat-server", "SUID not set");
+      return 0;
+    }
+    if (GNUNET_SYSERR == nat_res)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
+                  "gnunet-nat-server", "file not found");
+      return 0;
+    }
+  }
+
+#if !HAVE_SETRLIMIT
+  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot run test on this system\n");
+
+  GNUNET_free (test_source);
+  GNUNET_free (test_plugin);
+  GNUNET_free (test_name);
+
+  return 0;
+#else
+  struct rlimit r_file_old;
+  struct rlimit r_file_new;
+  int res;
+  res = getrlimit(RLIMIT_NOFILE, &r_file_old);
+  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Maximum number of open files was: 
%u/%u\n", r_file_old.rlim_cur, r_file_old.rlim_max);
+
+  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Setting maximum number of open files 
to: %u\n", MAX_FILES);
+  r_file_new.rlim_cur = MAX_FILES;
+  r_file_new.rlim_max = r_file_old.rlim_max;
+  res = setrlimit(RLIMIT_NOFILE, &r_file_new);
+
+  if (res != 0)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Setting limit failed!\n");
+    GNUNET_free (test_source);
+    GNUNET_free (test_plugin);
+    GNUNET_free (test_name);
+    return 0;
+  }
+
+  GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p1, 1);
+  GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p2, 2);
+  ret = check ();
+#endif
+
+
+  GNUNET_free (cfg_file_p1);
+  GNUNET_free (cfg_file_p2);
+
+  GNUNET_free (test_source);
+  GNUNET_free (test_plugin);
+  GNUNET_free (test_name);
+
+#if HAVE_SETRLIMIT
+  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Restoring previous value maximum 
number of open files\n");
+  res = setrlimit(RLIMIT_NOFILE, &r_file_old);
+  if (res != 0)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Restoring limit failed!\n");
+    return 0;
+  }
+#endif
+
+
+
+  return ret;
+  check ();
+}
+
+/* end of test_transport_api.c */

Added: gnunet/src/transport/test_transport_api_limited_sockets_tcp_peer1.conf
===================================================================
--- gnunet/src/transport/test_transport_api_limited_sockets_tcp_peer1.conf      
                        (rev 0)
+++ gnunet/src/transport/test_transport_api_limited_sockets_tcp_peer1.conf      
2011-09-12 12:54:48 UTC (rev 16771)
@@ -0,0 +1,31 @@
address@hidden@ test_transport_defaults.conf
+[PATHS]
+SERVICEHOME = /tmp/test-transport/api-tcp-p1/
+DEFAULTCONFIG = test_transport_api_tcp_peer1.conf
+
+[transport-tcp]
+PORT = 12000
+TIMEOUT = 5000
+
+[arm]
+PORT = 12005
+DEFAULTSERVICES = transport
+UNIXPATH = /tmp/gnunet-p1-service-arm.sock
+
+[statistics]
+PORT = 12004
+UNIXPATH = /tmp/gnunet-p1-service-statistics.sock
+
+[resolver]
+PORT = 12003
+UNIXPATH = /tmp/gnunet-p1-service-resolver.sock
+
+[peerinfo]
+PORT = 12002
+UNIXPATH = /tmp/gnunet-p1-service-peerinfo.sock
+
+[transport]
+PORT = 12001
+UNIXPATH = /tmp/gnunet-p1-service-transport.sock
+
+

Added: gnunet/src/transport/test_transport_api_limited_sockets_tcp_peer2.conf
===================================================================
--- gnunet/src/transport/test_transport_api_limited_sockets_tcp_peer2.conf      
                        (rev 0)
+++ gnunet/src/transport/test_transport_api_limited_sockets_tcp_peer2.conf      
2011-09-12 12:54:48 UTC (rev 16771)
@@ -0,0 +1,30 @@
address@hidden@ test_transport_defaults.conf
+[PATHS]
+SERVICEHOME = /tmp/test-transport/api-tcp-p2/
+DEFAULTCONFIG = test_transport_api_tcp_peer2.conf
+
+[transport-tcp]
+PORT = 0
+TIMEOUT = 5000
+
+[arm]
+PORT = 12014
+DEFAULTSERVICES = transport
+UNIXPATH = /tmp/gnunet-p2-service-arm.sock
+
+[statistics]
+PORT = 12013
+UNIXPATH = /tmp/gnunet-p2-service-statistics.sock
+
+[resolver]
+PORT = 12012
+UNIXPATH = /tmp/gnunet-p2-service-resolver.sock
+
+[peerinfo]
+PORT = 12011
+UNIXPATH = /tmp/gnunet-p2-service-peerinfo.sock
+
+[transport]
+PORT = 12010
+UNIXPATH = /tmp/gnunet-p2-service-transport.sock
+