[GNUnet-SVN] r19261 - gnunet/src/ats

[gnunet]

Author: wachs
Date: 2012-01-19 17:01:21 +0100 (Thu, 19 Jan 2012)
New Revision: 19261

Modified:
   gnunet/src/ats/gnunet-service-ats_addresses_mlp.c
   gnunet/src/ats/gnunet-service-ats_addresses_mlp.h
   gnunet/src/ats/test_ats_mlp.c
Log:
- more working constraints


Modified: gnunet/src/ats/gnunet-service-ats_addresses_mlp.c
===================================================================
--- gnunet/src/ats/gnunet-service-ats_addresses_mlp.c   2012-01-19 15:20:17 UTC 
(rev 19260)
+++ gnunet/src/ats/gnunet-service-ats_addresses_mlp.c   2012-01-19 16:01:21 UTC 
(rev 19261)
@@ -32,7 +32,8 @@
 #include "glpk.h"
 
 #define WRITE_MLP GNUNET_NO
-#define DEBUG_ATS GNUNET_EXTRA_LOGGING
+#define DEBUG_ATS GNUNET_YES
+#define VERBOSE_GLPK GNUNET_NO
 
 /**
  * Translate glpk solver error codes to text
@@ -313,7 +314,6 @@
 mlp_add_constraints_all_addresses (struct GAS_MLP_Handle *mlp, struct 
GNUNET_CONTAINER_MultiHashMap * addresses)
 {
   unsigned int n_addresses;
-  int row_index;
   //int c;
   char *name;
 
@@ -357,9 +357,17 @@
    * c 7) quality
    * #rows: |quality properties|
    * #indices:|quality properties| + |n_addresses|
+   *
+   * c 8) utilization
+   * #rows: 1
+   * #indices: |n_addresses| + 1
+   *
+   * c 9) relativity
+   * #rows: |peers|
+   * #indices: |n_addresses| + |peers|
    * */
 
-  int pi = ((7 * n_addresses) + (2 * n_addresses +  mlp->m_q + 1));
+  int pi = ((7 * n_addresses) + (3 * n_addresses +  mlp->m_q + 2));
   mlp->cm_size = pi;
   mlp->ci = 1;
 
@@ -412,30 +420,73 @@
    *
    * c 2) 1 address per peer
    * sum (n_p1_1 + ... + n_p1_n) = 1
-   */
+   *
+   * c 8) utilization
+   * sum (f_p * b_p1_1 + ... + f_p * b_p1_n) - u = 0
+   *
+   * c 9) relativity
+   * V p : sum (bt_1 + ... +bt_n) - f_p * r = 0
+   * */
 
-  /* Adding rows for c 2) */
-  row_index = glp_add_rows (mlp->prob, mlp->c_p);
+  /* Adding rows for c 8) */
+  mlp->r_c8 = glp_add_rows (mlp->prob, mlp->c_p);
+  glp_set_row_name (mlp->prob, mlp->r_c8, "c8");
+  /* Set row bound == 0 */
+  glp_set_row_bnds (mlp->prob, mlp->r_c8, GLP_FX, 0.0, 0.0);
+  /* -u */
+  ia[mlp->ci] = mlp->r_c8;
+  ja[mlp->ci] = mlp->c_u;
+  ar[mlp->ci] = -1;
+  mlp->ci++;
 
   struct ATS_Peer * peer = mlp->peer_head;
   while (peer != NULL)
   {
     struct ATS_Address *addr = peer->head;
     struct MLP_information *mlpi = NULL;
-    /* Adding row for c 2) */
+
+    /* Adding rows for c 2) */
+    peer->r_c2 = glp_add_rows (mlp->prob, 1);
     GNUNET_asprintf(&name, "c2_%s", GNUNET_i2s(&peer->id));
-    glp_set_row_name (mlp->prob, row_index, name);
+    glp_set_row_name (mlp->prob, peer->r_c2, name);
     GNUNET_free (name);
     /* Set row bound == 1 */
-    glp_set_row_bnds (mlp->prob, row_index, GLP_FX, 1.0, 1.0);
+    glp_set_row_bnds (mlp->prob, peer->r_c2, GLP_FX, 1.0, 1.0);
 
+
+    /* Adding rows for c 9) */
+    peer->r_c9 = glp_add_rows (mlp->prob, 1);
+    GNUNET_asprintf(&name, "c9_%s", GNUNET_i2s(&peer->id));
+    glp_set_row_name (mlp->prob, peer->r_c9, name);
+    GNUNET_free (name);
+    /* Set row bound == 0 */
+    glp_set_row_bnds (mlp->prob, peer->r_c9, GLP_LO, 0.0, 0.0);
+
+    /* Set -r */
+    ia[mlp->ci] = peer->r_c9;
+    ja[mlp->ci] = mlp->c_r;
+    ar[mlp->ci] = -1;
+    mlp->ci++;
+
     while (addr != NULL)
     {
       mlpi = (struct MLP_information *) addr->mlp_information;
-      ia[mlp->ci] = row_index;
+
+      ia[mlp->ci] = peer->r_c2;
       ja[mlp->ci] = mlpi->c_n;
       ar[mlp->ci] = 1;
       mlp->ci++;
+
+      ia[mlp->ci] = mlp->r_c8;
+      ja[mlp->ci] = mlpi->c_b;
+      ar[mlp->ci] = peer->f;
+      mlp->ci++;
+
+      ia[mlp->ci] = peer->r_c9;
+      ja[mlp->ci] = mlpi->c_b;
+      ar[mlp->ci] = 1;
+      mlp->ci++;
+
       addr = addr->next;
     }
     peer = peer->next;
@@ -553,7 +604,7 @@
   glp_set_obj_coef (mlp->prob, col, mlp->co_D);
   /* Column lower bound = 0.0 */
   glp_set_col_bnds (mlp->prob, col, GLP_LO, 0.0, 0.0);
-#if 0
+
   /* Utilization u column  */
 
   col = glp_add_cols (mlp->prob, 1);
@@ -574,7 +625,7 @@
   glp_set_obj_coef (mlp->prob, col, mlp->co_R);
   /* Column lower bound = 0.0 */
   glp_set_col_bnds (mlp->prob, col, GLP_LO, 0.0, 0.0);
-
+#if 0
   /* Quality metric columns */
   col = glp_add_cols(mlp->prob, mlp->m_q);
   for (c = 0; c < mlp->m_q; c++)
@@ -841,7 +892,7 @@
   }
 
 #if DEBUG_ATS
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Problem solved: %i %s\n", res, 
mlp_status_to_string(res));
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Problem solved\n");
 #endif
 
   /* Process result */
@@ -975,7 +1026,7 @@
 
   /* Init LP solving parameters */
   glp_init_smcp(&mlp->control_param_lp);
-#if DEBUG_ATS
+#if VERBOSE_GLPK
   mlp->control_param_lp.msg_lev = GLP_MSG_ALL;
 #else
   mlp->control_param_lp.msg_lev = GLP_MSG_OFF;
@@ -985,7 +1036,7 @@
 
   /* Init MLP solving parameters */
   glp_init_iocp(&mlp->control_param_mlp);
-#if DEBUG_ATS
+#if VERBOSE_GLPK
   mlp->control_param_mlp.msg_lev = GLP_MSG_ALL;
 #else
   mlp->control_param_mlp.msg_lev = GLP_MSG_OFF;
@@ -1057,6 +1108,7 @@
       {
         peer->f_q[c] = 1.0;
       }
+      peer->f = 1.0;
 
       memcpy (&peer->id, &address->peer, sizeof (struct GNUNET_PeerIdentity));
       GNUNET_assert(address->prev == NULL);

Modified: gnunet/src/ats/gnunet-service-ats_addresses_mlp.h
===================================================================
--- gnunet/src/ats/gnunet-service-ats_addresses_mlp.h   2012-01-19 15:20:17 UTC 
(rev 19260)
+++ gnunet/src/ats/gnunet-service-ats_addresses_mlp.h   2012-01-19 16:01:21 UTC 
(rev 19261)
@@ -48,7 +48,15 @@
 
   /* Array of quality preferences */
   double f_q[GNUNET_ATS_QualityPropertiesCount];
+  /* Legacy preference value */
+  double f;
 
+  /* constraint 2: 1 address per peer*/
+  unsigned int r_c2;
+
+  /* constraint 9: relativity */
+  unsigned int r_c9;
+
   struct ATS_Address *head;
   struct ATS_Address *tail;
 };
@@ -167,10 +175,16 @@
   unsigned int cm_size;
   unsigned int ci;
 
+  /* Row index constraint 2: */
+  unsigned int r_c2;
   /* Row index constraint 4: minimum connections */
   unsigned int r_c4;
   /* Row index constraint 6: maximize diversity */
   unsigned int r_c6;
+  /* Row index constraint 8: utilization*/
+  unsigned int r_c8;
+  /* Row index constraint 9: relativity*/
+  unsigned int r_c9;
 
   /* column index Diversity (D) column */
   int c_d;

Modified: gnunet/src/ats/test_ats_mlp.c
===================================================================
--- gnunet/src/ats/test_ats_mlp.c       2012-01-19 15:20:17 UTC (rev 19260)
+++ gnunet/src/ats/test_ats_mlp.c       2012-01-19 16:01:21 UTC (rev 19261)
@@ -29,7 +29,7 @@
 #include "gnunet_statistics_service.h"
 #include "gnunet-service-ats_addresses_mlp.h"
 
-#define VERBOSE GNUNET_EXTRA_LOGGING
+#define VERBOSE GNUNET_YES
 #define VERBOSE_ARM GNUNET_EXTRA_LOGGING
 
 #define MLP_MAX_EXEC_DURATION   
GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 3)
@@ -53,38 +53,52 @@
   ret = 1;
   return;
 #endif
-  struct ATS_Address addr;
+  struct ATS_Address addr[10];
 
   stats = GNUNET_STATISTICS_create("ats", cfg);
 
   addresses = GNUNET_CONTAINER_multihashmap_create (10);
 
-  GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_WEAK, 
&addr.peer.hashPubKey);
-  addr.mlp_information = NULL;
-  addr.next = NULL;
-  addr.prev = NULL;
-  addr.plugin = strdup ("dummy");
-  GNUNET_CONTAINER_multihashmap_put(addresses, &addr.peer.hashPubKey, &addr, 
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+  GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_WEAK, 
&addr[0].peer.hashPubKey);
+  addr[0].mlp_information = NULL;
+  addr[0].next = NULL;
+  addr[0].prev = NULL;
+  addr[0].plugin = strdup ("dummy");
 
+  addr[1].peer = addr[0].peer;
+  addr[1].mlp_information = NULL;
+  addr[1].next = NULL;
+  addr[1].prev = NULL;
+  addr[1].plugin = strdup ("dummy2");
+
+  GNUNET_CONTAINER_multihashmap_put(addresses, &addr[0].peer.hashPubKey, 
&addr[0], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+
   mlp = GAS_mlp_init (cfg, NULL, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
 
   /* Add a new address */
-  GAS_mlp_address_update (mlp, addresses, &addr);
+  GAS_mlp_address_update (mlp, addresses, &addr[0]);
 
   GNUNET_assert (mlp != NULL);
   GNUNET_assert (mlp->addr_in_problem == 1);
 
   /* Update an new address */
-  GAS_mlp_address_update (mlp, addresses, &addr);
+  GAS_mlp_address_update (mlp, addresses, &addr[0]);
   GNUNET_assert (mlp->addr_in_problem == 1);
 
+  /* Add a second address for same peer */
+  GNUNET_CONTAINER_multihashmap_put(addresses, &addr[0].peer.hashPubKey, 
&addr[1], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+  GAS_mlp_address_update (mlp, addresses, &addr[1]);
+  GNUNET_assert (mlp->addr_in_problem == 2);
+
   /* Delete an address */
-  GNUNET_CONTAINER_multihashmap_remove (addresses, &addr.peer.hashPubKey, 
&addr);
-  GAS_mlp_address_delete (mlp, addresses, &addr);
+  GNUNET_CONTAINER_multihashmap_remove (addresses, &addr[0].peer.hashPubKey, 
&addr[0]);
+  GAS_mlp_address_delete (mlp, addresses, &addr[0]);
+  GAS_mlp_address_delete (mlp, addresses, &addr[1]);
 
   GAS_mlp_done (mlp);
 
-  GNUNET_free (addr.plugin);
+  GNUNET_free (addr[0].plugin);
+  GNUNET_free (addr[1].plugin);
   GNUNET_CONTAINER_multihashmap_destroy (addresses);
   GNUNET_STATISTICS_destroy(stats, GNUNET_NO);