log
[oweals/gnunet.git] / src / transport / gnunet-transport.c
index a6ffb2babb81bdb5451c732e0d1520adbdb1e1e3..fb8ec60ebff18470e9995815cf176c19fe643954 100644 (file)
@@ -39,7 +39,7 @@
  * How long do we wait for the NAT test to report success?
  * Should match NAT_SERVER_TIMEOUT in 'nat_test.c'.
  */
-#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
 #define RESOLUTION_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
 #define OP_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
 
@@ -88,6 +88,11 @@ static int benchmark_receive;
  */
 static int iterate_connections;
 
+/**
+ * Option -d.
+ */
+static int iterate_validation;
+
 /**
  * Option -a.
  */
@@ -108,11 +113,21 @@ static int monitor_connects;
  */
 static int monitor_connections;
 
+/**
+ * Option -f.
+ */
+static int monitor_validation;
+
 /**
  * Option -C.
  */
 static int try_connect;
 
+/**
+ * Option -D.
+ */
+static int try_disconnect;
+
 /**
  * Option -n.
  */
@@ -148,10 +163,17 @@ static struct GNUNET_TIME_Absolute start_time;
  */
 static struct GNUNET_TRANSPORT_TransmitHandle *th;
 
+/**
+ * Map storing information about monitored peers
+ */
+static struct GNUNET_CONTAINER_MultiPeerMap *monitored_peers;
+
 /**
  *
  */
-struct GNUNET_TRANSPORT_PeerMonitoringContext *pic;
+static struct GNUNET_TRANSPORT_PeerMonitoringContext *pic;
+
+static struct GNUNET_TRANSPORT_ValidationMonitoringContext *vic;
 
 /**
  * Identity of the peer we transmit to / connect to.
@@ -179,11 +201,6 @@ static int verbosity;
  */
 struct GNUNET_OS_Process *resolver;
 
-/**
- * Number of tasks running that still need the resolver.
- */
-static unsigned int resolver_users;
-
 /**
  * Number of address resolutions pending
  */
@@ -194,11 +211,30 @@ static unsigned int address_resolutions;
  */
 static unsigned int address_resolution_in_progress;
 
+/**
+ * DLL for NAT Test Contexts: head
+ */
+struct TestContext *head;
+
+/**
+ * DLL for NAT Test Contexts: tail
+ */
+struct TestContext *tail;
+
 /**
  * Context for a plugin test.
  */
 struct TestContext
 {
+  /**
+   * Previous in DLL
+   */
+  struct TestContext *prev;
+
+  /**
+   * Next in DLL
+   */
+  struct TestContext *next;
 
   /**
    * Handle to the active NAT test.
@@ -213,10 +249,60 @@ struct TestContext
   /**
    * Name of plugin under test.
    */
-  const char *name;
+  char *name;
+
+  /**
+   * Bound port
+   */
+  unsigned long long bnd_port;
+
+  /**
+   * Advertised ports
+   */
+  unsigned long long adv_port;
+
+};
+
+static struct ValidationResolutionContext *vc_head;
+static struct ValidationResolutionContext *vc_tail;
 
+struct ValidationResolutionContext
+{
+  struct ValidationResolutionContext *next;
+  struct ValidationResolutionContext *prev;
+
+  struct GNUNET_PeerIdentity id;
+  struct GNUNET_HELLO_Address *addrcp;
+  struct GNUNET_TIME_Absolute last_validation;
+  struct GNUNET_TIME_Absolute valid_until;
+  struct GNUNET_TIME_Absolute next_validation;
+  enum GNUNET_TRANSPORT_ValidationState state;
+
+  struct GNUNET_TRANSPORT_AddressToStringContext *asc;
+
+  char *transport;
+  int printed;
+};
+
+struct MonitoredPeer
+{
+  enum GNUNET_TRANSPORT_PeerState state;
+  struct GNUNET_TIME_Absolute state_timeout;
+  struct GNUNET_HELLO_Address *address;
 };
 
+
+ int destroy_it (void *cls,
+    const struct GNUNET_PeerIdentity *key,
+    void *value)
+{
+   struct MonitoredPeer *m = value;
+   GNUNET_CONTAINER_multipeermap_remove (monitored_peers, key, value);
+   GNUNET_free_non_null (m->address);
+   GNUNET_free (value);
+   return GNUNET_OK;
+}
+
 /**
  * Task run in monitor mode when the user presses CTRL-C to abort.
  * Stops monitoring activity.
@@ -228,6 +314,8 @@ static void
 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   struct GNUNET_TIME_Relative duration;
+  struct ValidationResolutionContext *cur;
+  struct ValidationResolutionContext *next;
   end = GNUNET_SCHEDULER_NO_TASK;
   if (GNUNET_SCHEDULER_NO_TASK != op_timeout)
   {
@@ -244,6 +332,24 @@ shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
     GNUNET_TRANSPORT_monitor_peers_cancel (pic);
     pic = NULL;
   }
+  if (NULL != vic)
+  {
+    GNUNET_TRANSPORT_monitor_validation_entries_cancel (vic);
+    vic = NULL;
+  }
+
+  next = vc_head;
+  for (cur = next; NULL != cur; cur = next)
+  {
+    next = cur->next;
+
+    GNUNET_TRANSPORT_address_to_string_cancel (cur->asc);
+    GNUNET_CONTAINER_DLL_remove (vc_head, vc_tail, cur);
+    GNUNET_free (cur->transport);
+    GNUNET_HELLO_address_free (cur->addrcp);
+    GNUNET_free (cur);
+  }
+
   if (NULL != th)
   {
     GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
@@ -270,25 +376,38 @@ shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
         traffic_received,
         GNUNET_STRINGS_relative_time_to_string (duration, GNUNET_YES));
   }
+
+  if (NULL != monitored_peers)
+  {
+    GNUNET_CONTAINER_multipeermap_iterate (monitored_peers, &destroy_it, NULL);
+    GNUNET_CONTAINER_multipeermap_destroy (monitored_peers);
+    monitored_peers = NULL;
+  }
 }
 
-static struct ResolutionContext *rc_head;
-static struct ResolutionContext *rc_tail;
+static struct PeerResolutionContext *rc_head;
+static struct PeerResolutionContext *rc_tail;
 
-struct ResolutionContext
+struct PeerResolutionContext
 {
-  struct ResolutionContext *next;
-  struct ResolutionContext *prev;
+  struct PeerResolutionContext *next;
+  struct PeerResolutionContext *prev;
+  struct GNUNET_PeerIdentity id;
   struct GNUNET_HELLO_Address *addrcp;
   struct GNUNET_TRANSPORT_AddressToStringContext *asc;
+  enum GNUNET_TRANSPORT_PeerState state;
+  struct GNUNET_TIME_Absolute state_timeout;
+  char *transport;
   int printed;
 };
 
+
+
 static void
 operation_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
-  struct ResolutionContext *cur;
-  struct ResolutionContext *next;
+  struct PeerResolutionContext *cur;
+  struct PeerResolutionContext *next;
   op_timeout = GNUNET_SCHEDULER_NO_TASK;
   if ((try_connect) || (benchmark_send) || (benchmark_receive))
   {
@@ -310,6 +429,7 @@ operation_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 
       GNUNET_CONTAINER_DLL_remove(rc_head, rc_tail, cur);
       GNUNET_TRANSPORT_address_to_string_cancel (cur->asc);
+      GNUNET_free(cur->transport);
       GNUNET_free(cur->addrcp);
       GNUNET_free(cur);
 
@@ -324,6 +444,9 @@ operation_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 
 }
 
+static void
+run_nat_test ();
+
 /**
  * Display the result of the test.
  *
@@ -351,14 +474,19 @@ display_test_result (struct TestContext *tc, int result)
     GNUNET_NAT_test_stop (tc->tst);
     tc->tst = NULL;
   }
-  GNUNET_free(tc);
-  resolver_users--;
-  if ((0 == resolver_users) && (NULL != resolver))
+
+  GNUNET_CONTAINER_DLL_remove (head, tail, tc);
+  GNUNET_free (tc->name);
+  GNUNET_free (tc);
+
+  if ((NULL == head) && (NULL != resolver))
   {
     GNUNET_break(0 == GNUNET_OS_process_kill (resolver, GNUNET_TERM_SIG));
     GNUNET_OS_process_destroy (resolver);
     resolver = NULL;
   }
+  if (NULL != head)
+    run_nat_test ();
 }
 
 /**
@@ -373,7 +501,6 @@ static void
 result_callback (void *cls, int success, const char *emsg)
 {
   struct TestContext *tc = cls;
-
   display_test_result (tc, success);
 }
 
@@ -393,6 +520,174 @@ fail_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
   display_test_result (tstc, GNUNET_NO);
 }
 
+
+static void
+resolve_validation_address (const struct GNUNET_PeerIdentity *id,
+    const struct GNUNET_HELLO_Address *address, int numeric,
+    struct GNUNET_TIME_Absolute last_validation,
+    struct GNUNET_TIME_Absolute valid_until,
+    struct GNUNET_TIME_Absolute next_validation,
+    enum GNUNET_TRANSPORT_ValidationState state);
+
+static void
+process_validation_string (void *cls, const char *address)
+{
+  struct ValidationResolutionContext *vc = cls;
+  char *s_valid;
+  char *s_last;
+  char *s_next;
+
+  if (address != NULL )
+  {
+    if (GNUNET_TIME_UNIT_ZERO_ABS.abs_value_us == vc->valid_until.abs_value_us)
+      s_valid = GNUNET_strdup("never");
+    else
+      s_valid = GNUNET_strdup(GNUNET_STRINGS_absolute_time_to_string (vc->valid_until));
+
+    if (GNUNET_TIME_UNIT_ZERO_ABS.abs_value_us == vc->last_validation.abs_value_us)
+      s_last = GNUNET_strdup("never");
+    else
+      s_last = GNUNET_strdup(GNUNET_STRINGS_absolute_time_to_string (vc->last_validation));
+
+    if (GNUNET_TIME_UNIT_ZERO_ABS.abs_value_us == vc->next_validation.abs_value_us)
+      s_next = GNUNET_strdup("never");
+    else
+      s_next = GNUNET_strdup(GNUNET_STRINGS_absolute_time_to_string (vc->next_validation));
+
+    FPRINTF (stdout,
+        _("Peer `%s' %s %s\n\t%s%s\n\t%s%s\n\t%s%s\n"),
+        GNUNET_i2s (&vc->id), address,
+        (monitor_validation) ? GNUNET_TRANSPORT_vs2s (vc->state) : "",
+        "Valid until    : ", s_valid,
+        "Last validation: ",s_last,
+        "Next validation: ", s_next);
+    GNUNET_free (s_valid);
+    GNUNET_free (s_last);
+    GNUNET_free (s_next);
+    vc->printed = GNUNET_YES;
+  }
+  else
+  {
+    /* done */
+    GNUNET_assert(address_resolutions > 0);
+    address_resolutions--;
+    if (GNUNET_NO == vc->printed)
+    {
+      if (numeric == GNUNET_NO)
+      {
+        /* Failed to resolve address, try numeric lookup */
+        resolve_validation_address (&vc->id, vc->addrcp, GNUNET_NO,
+           vc->last_validation, vc->valid_until, vc->next_validation,
+           vc->state);
+      }
+      else
+      {
+        FPRINTF (stdout, _("Peer `%s' %s `%s' \n"),
+            GNUNET_i2s (&vc->id), "<unable to resolve address>",
+            GNUNET_TRANSPORT_vs2s (vc->state));
+      }
+    }
+    GNUNET_free (vc->transport);
+    GNUNET_free (vc->addrcp);
+    GNUNET_CONTAINER_DLL_remove(vc_head, vc_tail, vc);
+    GNUNET_free(vc);
+    if ((0 == address_resolutions) && (iterate_validation))
+    {
+      if (GNUNET_SCHEDULER_NO_TASK != end)
+      {
+        GNUNET_SCHEDULER_cancel (end);
+        end = GNUNET_SCHEDULER_NO_TASK;
+      }
+      if (GNUNET_SCHEDULER_NO_TASK != op_timeout)
+      {
+        GNUNET_SCHEDULER_cancel (op_timeout);
+        op_timeout = GNUNET_SCHEDULER_NO_TASK;
+      }
+      ret = 0;
+      end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL );
+    }
+  }
+}
+
+
+
+static void
+resolve_validation_address (const struct GNUNET_PeerIdentity *id,
+    const struct GNUNET_HELLO_Address *address, int numeric,
+    struct GNUNET_TIME_Absolute last_validation,
+    struct GNUNET_TIME_Absolute valid_until,
+    struct GNUNET_TIME_Absolute next_validation,
+    enum GNUNET_TRANSPORT_ValidationState state)
+{
+  struct ValidationResolutionContext *vc;
+
+  vc = GNUNET_new (struct ValidationResolutionContext);
+  GNUNET_assert(NULL != vc);
+  GNUNET_CONTAINER_DLL_insert(vc_head, vc_tail, vc);
+  address_resolutions++;
+
+  vc->id = (*id);
+  vc->transport = GNUNET_strdup(address->transport_name);
+  vc->addrcp = GNUNET_HELLO_address_copy (address);
+  vc->printed = GNUNET_NO;
+  vc->state = state;
+  vc->last_validation = last_validation;
+  vc->valid_until = valid_until;
+  vc->next_validation = next_validation;
+
+  /* Resolve address to string */
+  vc->asc = GNUNET_TRANSPORT_address_to_string (cfg, address, numeric,
+      RESOLUTION_TIMEOUT, &process_validation_string, vc);
+}
+
+
+void process_validation_cb (void *cls,
+    const struct GNUNET_PeerIdentity *peer,
+    const struct GNUNET_HELLO_Address *address,
+    struct GNUNET_TIME_Absolute last_validation,
+    struct GNUNET_TIME_Absolute valid_until,
+    struct GNUNET_TIME_Absolute next_validation,
+    enum GNUNET_TRANSPORT_ValidationState state)
+{
+  if ((NULL == peer) && (NULL == address))
+  {
+    /* done */
+    vic = NULL;
+    if (GNUNET_SCHEDULER_NO_TASK != end)
+      GNUNET_SCHEDULER_cancel (end);
+    end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL );
+    return;
+  }
+  if ((NULL == peer) || (NULL == address))
+  {
+    /* invalid response */
+    vic = NULL;
+    if (GNUNET_SCHEDULER_NO_TASK != end)
+      GNUNET_SCHEDULER_cancel (end);
+    end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL );
+    return;
+  }
+  resolve_validation_address (peer, address,
+     numeric, last_validation,
+     valid_until, next_validation, state);
+}
+
+static void
+run_nat_test ()
+{
+  head->tst = GNUNET_NAT_test_start (cfg,
+      (0 == strcasecmp (head->name, "udp")) ? GNUNET_NO : GNUNET_YES,
+      (uint16_t) head->bnd_port,
+      (uint16_t) head->adv_port,
+      &result_callback, head);
+  if (NULL == head->tst)
+  {
+    display_test_result (head, GNUNET_SYSERR);
+    return;
+  }
+  head->tsk = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &fail_timeout, head);
+}
+
 /**
  * Test our plugin's configuration (NAT traversal, etc.).
  *
@@ -417,10 +712,10 @@ do_test_configuration (const struct GNUNET_CONFIGURATION_Handle *cfg)
     ret = 4;
     return;
   }
+
   for (tok = strtok (plugins, " "); tok != NULL ; tok = strtok (NULL, " "))
   {
     char section[12 + strlen (tok)];
-
     GNUNET_snprintf (section, sizeof(section), "transport-%s", tok);
     if (GNUNET_OK
         != GNUNET_CONFIGURATION_get_value_number (cfg, section, "PORT",
@@ -434,29 +729,27 @@ do_test_configuration (const struct GNUNET_CONFIGURATION_Handle *cfg)
         != GNUNET_CONFIGURATION_get_value_number (cfg, section,
             "ADVERTISED_PORT", &adv_port))
       adv_port = bnd_port;
-    if (NULL == resolver)
-    {
-      binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-resolver");
-      resolver = GNUNET_OS_start_process (GNUNET_YES,
-          GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, binary,
-          "gnunet-service-resolver", NULL );
-      GNUNET_free(binary);
-    }
-    resolver_users++;
-    GNUNET_RESOLVER_connect (cfg);
+
     tc = GNUNET_new (struct TestContext);
     tc->name = GNUNET_strdup (tok);
-    tc->tst = GNUNET_NAT_test_start (cfg,
-        (0 == strcasecmp (tok, "udp")) ? GNUNET_NO : GNUNET_YES,
-        (uint16_t) bnd_port, (uint16_t) adv_port, &result_callback, tc);
-    if (NULL == tc->tst)
-    {
-      display_test_result (tc, GNUNET_SYSERR);
-      continue;
-    }
-    tc->tsk = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &fail_timeout, tc);
+    tc->adv_port = adv_port;
+    tc->bnd_port = bnd_port;
+    GNUNET_CONTAINER_DLL_insert_tail (head, tail, tc);
   }
   GNUNET_free(plugins);
+
+  if ((NULL != head) && (NULL == resolver))
+  {
+    binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-resolver");
+    resolver = GNUNET_OS_start_process (GNUNET_YES,
+                                        GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                        NULL, NULL, NULL,
+                                        binary,
+                                        "gnunet-service-resolver", NULL );
+    GNUNET_free(binary);
+    GNUNET_RESOLVER_connect (cfg);
+    run_nat_test ();
+  }
 }
 
 /**
@@ -487,8 +780,10 @@ transmit_data (void *cls, size_t size, void *buf)
   m->type = ntohs (GNUNET_MESSAGE_TYPE_DUMMY);
   memset (&m[1], 52, size - sizeof(struct GNUNET_MessageHeader));
   traffic_sent += size;
-  th = GNUNET_TRANSPORT_notify_transmit_ready (handle, &pid, BLOCKSIZE * 1024,
-      0, GNUNET_TIME_UNIT_FOREVER_REL, &transmit_data, NULL );
+  th = GNUNET_TRANSPORT_notify_transmit_ready (handle, &pid,
+                                               BLOCKSIZE * 1024,
+                                               GNUNET_TIME_UNIT_FOREVER_REL,
+                                               &transmit_data, NULL );
   if (verbosity > 0)
     FPRINTF (stdout, _("Transmitting %u bytes to %s\n"), (unsigned int) size,
         GNUNET_i2s (&pid));
@@ -540,8 +835,10 @@ notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer)
     start_time = GNUNET_TIME_absolute_get ();
     if (NULL == th)
       th = GNUNET_TRANSPORT_notify_transmit_ready (handle, peer,
-          BLOCKSIZE * 1024, 0, GNUNET_TIME_UNIT_FOREVER_REL, &transmit_data,
-          NULL );
+                                                   BLOCKSIZE * 1024,
+                                                   GNUNET_TIME_UNIT_FOREVER_REL,
+                                                   &transmit_data,
+                                                   NULL);
     else
       GNUNET_break(0);
     return;
@@ -561,6 +858,25 @@ notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
   if (0 != memcmp (&pid, peer, sizeof(struct GNUNET_PeerIdentity)))
     return;
 
+  if (try_disconnect)
+  {
+    /* all done, terminate instantly */
+    FPRINTF (stdout, _("Successfully disconnected from `%s'\n"),
+        GNUNET_i2s_full (peer));
+    ret = 0;
+
+    if (GNUNET_SCHEDULER_NO_TASK != op_timeout)
+    {
+      GNUNET_SCHEDULER_cancel (op_timeout);
+      op_timeout = GNUNET_SCHEDULER_NO_TASK;
+    }
+
+    if (GNUNET_SCHEDULER_NO_TASK != end)
+      GNUNET_SCHEDULER_cancel (end);
+    end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL );
+    return;
+  }
+
   if (NULL != th)
   {
     GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
@@ -641,18 +957,43 @@ notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
 }
 
 static void
-resolve_address (const struct GNUNET_HELLO_Address *address, int numeric);
+resolve_peer_address (const struct GNUNET_PeerIdentity *id,
+    const struct GNUNET_HELLO_Address *address, int numeric,
+    enum GNUNET_TRANSPORT_PeerState state,
+    struct GNUNET_TIME_Absolute state_timeout);
+
+static void
+print_info (const struct GNUNET_PeerIdentity *id, const char *transport,
+    const char *addr, enum GNUNET_TRANSPORT_PeerState state,
+    struct GNUNET_TIME_Absolute state_timeout)
+{
+
+  if ( ((GNUNET_YES == iterate_connections) && (GNUNET_YES == iterate_all)) ||
+       (GNUNET_YES == monitor_connections) )
+  {
+    FPRINTF (stdout, _("Peer `%s': %s %s in state `%s' until %s\n"),
+        GNUNET_i2s (id),
+        (NULL == transport) ? "<none>" : transport,
+        (NULL == transport) ? "<none>" : addr,
+        GNUNET_TRANSPORT_ps2s (state),
+        GNUNET_STRINGS_absolute_time_to_string (state_timeout));
+  }
+  else if ( (GNUNET_YES == iterate_connections) &&
+             (GNUNET_TRANSPORT_is_connected(state)) )
+  {
+    /* Only connected peers, skip state */
+    FPRINTF (stdout, _("Peer `%s': %s %s\n"), GNUNET_i2s (id), transport, addr);
+  }
+}
 
 static void
-process_string (void *cls, const char *address)
+process_peer_string (void *cls, const char *address)
 {
-  struct ResolutionContext *rc = cls;
-  struct GNUNET_HELLO_Address *addrcp = rc->addrcp;
+  struct PeerResolutionContext *rc = cls;
 
   if (address != NULL )
   {
-    FPRINTF (stdout, _("Peer `%s': %s %s\n"), GNUNET_i2s (&addrcp->peer),
-        addrcp->transport_name, address);
+    print_info (&rc->id, rc->transport, address, rc->state, rc->state_timeout);
     rc->printed = GNUNET_YES;
   }
   else
@@ -664,13 +1005,18 @@ process_string (void *cls, const char *address)
     {
       if (numeric == GNUNET_NO)
       {
-        resolve_address (rc->addrcp, GNUNET_YES); /* Failed to resolve address, try numeric lookup */
+        /* Failed to resolve address, try numeric lookup */
+        resolve_peer_address (&rc->id, rc->addrcp, GNUNET_YES,
+            rc->state, rc->state_timeout);
       }
       else
-        FPRINTF (stdout, _("Peer `%s': %s <unable to resolve address>\n"),
-            GNUNET_i2s (&addrcp->peer), addrcp->transport_name);
+      {
+        print_info (&rc->id, rc->transport, "<unable to resolve address>",
+            rc->state, rc->state_timeout);
+      }
     }
-    GNUNET_free(rc->addrcp);
+    GNUNET_free (rc->transport);
+    GNUNET_free (rc->addrcp);
     GNUNET_CONTAINER_DLL_remove(rc_head, rc_tail, rc);
     GNUNET_free(rc);
     if ((0 == address_resolutions) && (iterate_connections))
@@ -692,24 +1038,31 @@ process_string (void *cls, const char *address)
 }
 
 static void
-resolve_address (const struct GNUNET_HELLO_Address *address, int numeric)
+resolve_peer_address (const struct GNUNET_PeerIdentity *id,
+    const struct GNUNET_HELLO_Address *address, int numeric,
+    enum GNUNET_TRANSPORT_PeerState state,
+    struct GNUNET_TIME_Absolute state_timeout)
 {
-  struct ResolutionContext *rc;
+  struct PeerResolutionContext *rc;
 
-  rc = GNUNET_new (struct ResolutionContext);
+  rc = GNUNET_new (struct PeerResolutionContext);
   GNUNET_assert(NULL != rc);
   GNUNET_CONTAINER_DLL_insert(rc_head, rc_tail, rc);
   address_resolutions++;
 
+  rc->id = (*id);
+  rc->transport = GNUNET_strdup(address->transport_name);
   rc->addrcp = GNUNET_HELLO_address_copy (address);
   rc->printed = GNUNET_NO;
+  rc->state = state;
+  rc->state_timeout = state_timeout;
   /* Resolve address to string */
   rc->asc = GNUNET_TRANSPORT_address_to_string (cfg, address, numeric,
-      RESOLUTION_TIMEOUT, &process_string, rc);
+      RESOLUTION_TIMEOUT, &process_peer_string, rc);
 }
 
 /**
- * Function called with information about a peers
+ * Function called with information about a peers during a one shot iteration
  *
  * @param cls closure
  * @param peer identity of the peer, NULL for final callback when operation done
@@ -720,7 +1073,7 @@ resolve_address (const struct GNUNET_HELLO_Address *address, int numeric)
  *
  */
 static void
-process_peer_cb (void *cls, const struct GNUNET_PeerIdentity *peer,
+process_peer_iteration_cb (void *cls, const struct GNUNET_PeerIdentity *peer,
     const struct GNUNET_HELLO_Address *address,
     enum GNUNET_TRANSPORT_PeerState state,
     struct GNUNET_TIME_Absolute state_timeout)
@@ -735,9 +1088,52 @@ process_peer_cb (void *cls, const struct GNUNET_PeerIdentity *peer,
     end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL );
     return;
   }
-  if (address == NULL )
+
+  if ((GNUNET_NO == iterate_all) && (GNUNET_NO == GNUNET_TRANSPORT_is_connected(state)) )
+      return; /* Display only connected peers */
+
+  if (GNUNET_SCHEDULER_NO_TASK != op_timeout)
+    GNUNET_SCHEDULER_cancel (op_timeout);
+  op_timeout = GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout,
+      NULL );
+
+  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received address for peer `%s': %s\n",
+      GNUNET_i2s (peer), address->transport_name);
+
+  if (NULL != address)
+    resolve_peer_address (peer, address, numeric, state, state_timeout);
+  else
+    print_info (peer, NULL, NULL, state, state_timeout);
+}
+
+
+/**
+ * Function called with information about a peers
+ *
+ * @param cls closure
+ * @param peer identity of the peer, NULL for final callback when operation done
+ * @param address binary address used to communicate with this peer,
+ *  NULL on disconnect or when done
+ * @param state current state this peer is in
+ * @param state_timeout time out for the current state
+ *
+ */
+static void
+process_peer_monitoring_cb (void *cls, const struct GNUNET_PeerIdentity *peer,
+    const struct GNUNET_HELLO_Address *address,
+    enum GNUNET_TRANSPORT_PeerState state,
+    struct GNUNET_TIME_Absolute state_timeout)
+{
+  struct MonitoredPeer *m;
+
+  if (peer == NULL )
   {
-    FPRINTF (stdout, _("Peer `%s' disconnected\n"), GNUNET_i2s (peer));
+    /* done */
+    address_resolution_in_progress = GNUNET_NO;
+    pic = NULL;
+    if (GNUNET_SCHEDULER_NO_TASK != end)
+      GNUNET_SCHEDULER_cancel (end);
+    end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL );
     return;
   }
 
@@ -746,9 +1142,39 @@ process_peer_cb (void *cls, const struct GNUNET_PeerIdentity *peer,
   op_timeout = GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout,
       NULL );
 
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received address for peer `%s': %s\n",
-      GNUNET_i2s (peer), address->transport_name);
-  resolve_address (address, numeric);
+  if (NULL == (m = GNUNET_CONTAINER_multipeermap_get (monitored_peers, peer)))
+  {
+    m = GNUNET_new (struct MonitoredPeer);
+    GNUNET_CONTAINER_multipeermap_put (monitored_peers, peer,
+        m, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
+  }
+  else
+  {
+    if ( (m->state == state) &&
+      (m->state_timeout.abs_value_us == state_timeout.abs_value_us) &&
+      ((NULL == address) && (NULL == m->address)) )
+    {
+      return; /* No real change */
+    }
+    if ( (m->state == state) && ((NULL != address) && (NULL != m->address)) &&
+        (0 == GNUNET_HELLO_address_cmp(m->address, address)) )
+      return; /* No real change */
+  }
+
+  if (NULL != m->address)
+  {
+    GNUNET_free (m->address);
+    m->address = NULL;
+  }
+  if (NULL != address)
+    m->address = GNUNET_HELLO_address_copy (address);
+  m->state = state;
+  m->state_timeout = state_timeout;
+
+  if (NULL != address)
+    resolve_peer_address (peer, m->address, numeric, m->state, m->state_timeout);
+  else
+    print_info (peer, NULL, NULL, m->state, m->state_timeout);
 }
 
 static void
@@ -776,6 +1202,31 @@ try_connect_cb (void *cls, const int result)
   }
 }
 
+static void
+try_disconnect_cb (void *cls, const int result)
+{
+  static int retries = 0;
+  if (GNUNET_OK == result)
+  {
+    tc_handle = NULL;
+    return;
+  }
+  retries++;
+  if (retries < 10)
+    tc_handle = GNUNET_TRANSPORT_try_disconnect (handle, &pid, try_disconnect_cb,
+        NULL );
+  else
+  {
+    FPRINTF (stderr, "%s",
+        _("Failed to send connect request to transport service\n") );
+    if (GNUNET_SCHEDULER_NO_TASK != end)
+      GNUNET_SCHEDULER_cancel (end);
+    ret = 1;
+    end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL );
+    return;
+  }
+}
+
 /**
  * Function called with the result of the check if the 'transport'
  * service is running.
@@ -805,7 +1256,8 @@ testservice_task (void *cls, int result)
   }
 
   counter = benchmark_send + benchmark_receive + iterate_connections
-      + monitor_connections + monitor_connects + try_connect;
+      + monitor_connections + monitor_connects + try_connect + try_disconnect +
+      + iterate_validation + monitor_validation;
 
   if (1 < counter)
   {
@@ -853,6 +1305,36 @@ testservice_task (void *cls, int result)
     op_timeout = GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout,
         NULL );
 
+  }
+  else if (try_disconnect) /* -D: Disconnect from peer */
+  {
+    if (NULL == cpid)
+    {
+      FPRINTF (stderr, _("Option `%s' makes no sense without option `%s'.\n"),
+          "-D", "-p");
+      ret = 1;
+      return;
+    }
+    handle = GNUNET_TRANSPORT_connect (cfg, NULL, NULL, &notify_receive,
+        &notify_connect, &notify_disconnect);
+    if (NULL == handle)
+    {
+      FPRINTF (stderr, "%s", _("Failed to connect to transport service\n") );
+      ret = 1;
+      return;
+    }
+    tc_handle = GNUNET_TRANSPORT_try_disconnect (handle, &pid, try_disconnect_cb,
+        NULL );
+    if (NULL == tc_handle)
+    {
+      FPRINTF (stderr, "%s",
+          _("Failed to send request to transport service\n") );
+      ret = 1;
+      return;
+    }
+    op_timeout = GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout,
+        NULL );
+
   }
   else if (benchmark_send) /* -s: Benchmark sending */
   {
@@ -903,15 +1385,28 @@ testservice_task (void *cls, int result)
   {
     address_resolution_in_progress = GNUNET_YES;
     pic = GNUNET_TRANSPORT_monitor_peers (cfg, (NULL == cpid) ? NULL : &pid,
-        GNUNET_YES, TIMEOUT, &process_peer_cb, (void *) cfg);
+        GNUNET_YES, TIMEOUT, &process_peer_iteration_cb, (void *) cfg);
     op_timeout = GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout,
         NULL );
   }
   else if (monitor_connections) /* -m: List information about peers continuously */
   {
+    monitored_peers = GNUNET_CONTAINER_multipeermap_create (10, GNUNET_NO);
     address_resolution_in_progress = GNUNET_YES;
     pic = GNUNET_TRANSPORT_monitor_peers (cfg, (NULL == cpid) ? NULL : &pid,
-        GNUNET_NO, TIMEOUT, &process_peer_cb, (void *) cfg);
+        GNUNET_NO, TIMEOUT, &process_peer_monitoring_cb, (void *) cfg);
+  }
+  else if (iterate_validation) /* -d: Print information about validations */
+  {
+    vic = GNUNET_TRANSPORT_monitor_validation_entries (cfg,
+        (NULL == cpid) ? NULL : &pid,
+        GNUNET_YES, TIMEOUT, &process_validation_cb, (void *) cfg);
+  }
+  else if (monitor_validation) /* -f: Print information about validations continuously */
+  {
+    vic = GNUNET_TRANSPORT_monitor_validation_entries (cfg,
+        (NULL == cpid) ? NULL : &pid,
+        GNUNET_NO, TIMEOUT, &process_validation_cb, (void *) cfg);
   }
   else if (monitor_connects) /* -e : Monitor (dis)connect events continuously */
   {
@@ -931,7 +1426,7 @@ testservice_task (void *cls, int result)
     GNUNET_break(0);
     return;
   }
-
+  GNUNET_break (0);
   end = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
       &shutdown_task, NULL );
 
@@ -970,9 +1465,19 @@ main (int argc, char * const *argv)
               0, &GNUNET_GETOPT_set_one, &iterate_all },
           { 'b', "benchmark", NULL,
               gettext_noop ("measure how fast we are receiving data from all peers (until CTRL-C)"),
-              0, &GNUNET_GETOPT_set_one, &benchmark_receive }, { 'C', "connect",
+              0, &GNUNET_GETOPT_set_one, &benchmark_receive },
+          { 'C', "connect",
               NULL, gettext_noop ("connect to a peer"), 0,
               &GNUNET_GETOPT_set_one, &try_connect },
+          { 'D', "disconnect",
+              NULL, gettext_noop ("disconnect to a peer"), 0,
+              &GNUNET_GETOPT_set_one, &try_disconnect },
+          { 'd', "validation", NULL,
+              gettext_noop ("print information for all pending validations "),
+              0, &GNUNET_GETOPT_set_one, &iterate_validation },
+          { 'f', "monitorvalidation", NULL,
+              gettext_noop ("print information for all pending validations continously"),
+              0, &GNUNET_GETOPT_set_one, &monitor_validation },
           { 'i', "information", NULL,
               gettext_noop ("provide information about all current connections (once)"),
               0, &GNUNET_GETOPT_set_one, &iterate_connections },