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[GNUnet-SVN] r36553 - in gnunet: doc/man src/ats-tool src/include src/tr


From: gnunet
Subject: [GNUnet-SVN] r36553 - in gnunet: doc/man src/ats-tool src/include src/transport
Date: Sun, 18 Oct 2015 22:58:31 +0200

Author: grothoff
Date: 2015-10-18 22:58:31 +0200 (Sun, 18 Oct 2015)
New Revision: 36553

Modified:
   gnunet/doc/man/gnunet-ats.1
   gnunet/doc/man/gnunet-transport.1
   gnunet/src/ats-tool/gnunet-ats.c
   gnunet/src/include/gnunet_transport_service.h
   gnunet/src/transport/gnunet-transport.c
Log:
move -C option from gnunet-transport to gnunet-ats; also, use blacklisting API 
to implement gnunet-transport -D

Modified: gnunet/doc/man/gnunet-ats.1
===================================================================
--- gnunet/doc/man/gnunet-ats.1 2015-10-18 20:57:37 UTC (rev 36552)
+++ gnunet/doc/man/gnunet-ats.1 2015-10-18 20:58:31 UTC (rev 36553)
@@ -1,4 +1,4 @@
-.TH GNUNET\-ATS 1 "Oct 31, 2012" "GNUnet"
+.TH GNUNET\-ATS 1 "Oct 16, 2015" "GNUnet"
 
 .SH NAME
 gnunet\-ats \- display information about transport resource allocation
@@ -21,6 +21,10 @@
 .IP "\-c FILENAME,  \-\-config=FILENAME"
 Use the configuration file FILENAME.
 .B
+.IP "\-C, \-\-connect=PEERID"
+Ask ATS to suggest an address for PEERID to transport to establish a 
connection.
+Note that you can use the gnunet\-transport command\-line tool to force 
disconnects.
+.B
 .IP "\-h, \-\-help"
 Print short help on options.
 .B

Modified: gnunet/doc/man/gnunet-transport.1
===================================================================
--- gnunet/doc/man/gnunet-transport.1   2015-10-18 20:57:37 UTC (rev 36552)
+++ gnunet/doc/man/gnunet-transport.1   2015-10-18 20:58:31 UTC (rev 36553)
@@ -1,4 +1,4 @@
-.TH gnunet\-transport "1" "7 Nov 2014" "GNUnet"
+.TH gnunet\-transport "1" "17 Oct 2015" "GNUnet"
 .SH NAME
 gnunet\-transport \- measure and control the transport subsystem
 
@@ -14,8 +14,9 @@
 \fB\-b\fR, \fB\-\-benchmark\fR
 measure how fast we are receiving data (from all connections).  On exit, the 
data rate will be reported.  Runs until aborted with CTRL-C.
 .TP
-\fB\-C \fIPEER\fR, \fB\-\-connect=PEER\fR
-peer to connect to (used in conjunction with \-p)
+\fB\-D\fR, \fB\-\-disconnect\fR
+force disconnection from a peer (used in conjunction with \-p).
+Note that you can use the gnunet\-ats command\-line tool to suggest connects.
 .TP
 \fB\-c \fIFILENAME\fR, \fB\-\-config=FILENAME\fR
 configuration file to use
@@ -62,4 +63,4 @@
 .SH "REPORTING BUGS"
 Report bugs by using mantis <https://gnunet.org/bugs/> or by sending 
electronic mail to <address@hidden>
 .SH "SEE ALSO"
-\fBgnunet\-arm\fP(1)
+\fBgnunet\-arm\fP(1), \fBgnunet\-ats\fP(1)

Modified: gnunet/src/ats-tool/gnunet-ats.c
===================================================================
--- gnunet/src/ats-tool/gnunet-ats.c    2015-10-18 20:57:37 UTC (rev 36552)
+++ gnunet/src/ats-tool/gnunet-ats.c    2015-10-18 20:58:31 UTC (rev 36553)
@@ -1,6 +1,6 @@
 /*
  This file is part of GNUnet.
- Copyright (C) 2009--2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009--2015 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
@@ -22,6 +22,7 @@
  * @file ats-tool/gnunet-ats.c
  * @brief ATS command line tool
  * @author Matthias Wachs
+ * @author Christian Grothoff
  */
 #include "platform.h"
 #include "gnunet_util_lib.h"
@@ -105,11 +106,26 @@
 static int stat_pending;
 
 /**
+ * Which peer should we connect to?
+ */
+static char *cpid_str;
+
+/**
  * ATS performance handle used
  */
 static struct GNUNET_ATS_PerformanceHandle *ph;
 
 /**
+ * Our connectivity handle.
+ */
+static struct GNUNET_ATS_ConnectivityHandle *ats_ch;
+
+/**
+ * Handle for address suggestion request.
+ */
+static struct GNUNET_ATS_ConnectivitySuggestHandle *ats_sh;
+
+/**
  * ATS address list handle used
  */
 static struct GNUNET_ATS_AddressListHandle *alh;
@@ -234,7 +250,11 @@
               void *value)
 {
   struct ATSAddress *a = value;
-  GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multipeermap_remove (addresses, 
key, value));
+
+  GNUNET_assert (GNUNET_OK ==
+                 GNUNET_CONTAINER_multipeermap_remove (addresses,
+                                                       key,
+                                                       value));
   GNUNET_HELLO_address_free (a->address);
   GNUNET_free (a);
   return GNUNET_OK;
@@ -292,6 +312,17 @@
     FPRINTF (stdout,
              _("ATS returned stat_results for %u addresses\n"),
              stat_results);
+
+  if (NULL != ats_sh)
+  {
+    GNUNET_ATS_connectivity_suggest_cancel (ats_sh);
+    ats_sh = NULL;
+  }
+  if (NULL != ats_ch)
+  {
+    GNUNET_ATS_connectivity_done (ats_ch);
+    ats_ch = NULL;
+  }
   ret = 0;
 }
 
@@ -685,38 +716,35 @@
 
 
 /**
- * Function called with the result from the test if ATS is
- * running.  Runs the actual main logic.
+ * Main function that will be run by the scheduler.
  *
- * @param cls the `struct GNUNET_CONFIGURATION_Handle *`
- * @param result result of the test, #GNUNET_YES if ATS is running
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be 
NULL!)
+ * @param my_cfg configuration
  */
 static void
-testservice_ats (void *cls,
-                 int result)
+run (void *cls,
+     char * const *args,
+     const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *my_cfg)
 {
-  struct GNUNET_CONFIGURATION_Handle *cfg = cls;
   struct GNUNET_PeerIdentity pid;
+  struct GNUNET_PeerIdentity cpid;
   unsigned int c;
   unsigned int type;
 
+  cfg = (struct GNUNET_CONFIGURATION_Handle *) my_cfg;
   addresses = GNUNET_CONTAINER_multipeermap_create (10, GNUNET_NO);
-
-  if (GNUNET_YES != result)
-  {
-    FPRINTF (stderr,
-             _("Service `%s' is not running\n"),
-             "ats");
-    return;
-  }
-
   stat_results = 0;
 
+  c = 0;
   if (NULL != opt_pid_str)
   {
-    if (GNUNET_OK
-        != GNUNET_CRYPTO_eddsa_public_key_from_string (opt_pid_str,
-            strlen (opt_pid_str), &pid.public_key))
+    if (GNUNET_OK !=
+        GNUNET_CRYPTO_eddsa_public_key_from_string (opt_pid_str,
+                                                    strlen (opt_pid_str),
+                                                    &pid.public_key))
     {
       FPRINTF (stderr,
                _("Failed to parse peer identity `%s'\n"),
@@ -724,12 +752,27 @@
       return;
     }
   }
+  if (NULL != cpid_str)
+  {
+    if (GNUNET_OK !=
+        GNUNET_CRYPTO_eddsa_public_key_from_string (cpid_str,
+                                                    strlen (cpid_str),
+                                                    &cpid.public_key))
+    {
+      FPRINTF (stderr,
+               _("Failed to parse peer identity `%s'\n"),
+               cpid_str);
+      return;
+    }
+    c++;
+  }
 
-  c = opt_list_all + opt_list_used + opt_monitor + opt_set_pref;
-  if ((1 < c))
+  c += opt_list_all + opt_list_used + opt_monitor + opt_set_pref;
+
+  if (1 < c)
   {
     FPRINTF (stderr,
-             _("Please select one operation : %s or %s or %s or %s or %s\n"),
+             _("Please select one operation: %s or %s or %s or %s or %s\n"),
              "--used",
              "--all",
              "--monitor",
@@ -737,7 +780,7 @@
              "--quotas");
     return;
   }
-  if ((0 == c))
+  if (0 == c)
     opt_list_used = GNUNET_YES; /* set default */
   if (opt_print_quotas)
   {
@@ -754,7 +797,6 @@
                _("Cannot connect to ATS service, exiting...\n"));
       return;
     }
-
     alh = GNUNET_ATS_performance_list_addresses (ph,
                                                  (NULL == opt_pid_str) ? NULL 
: &pid,
                                                  GNUNET_YES,
@@ -768,10 +810,11 @@
       return;
     }
     shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
-                                             &end,
-                                             NULL);
+                                                  &end,
+                                                  NULL);
+    return;
   }
-  else if (opt_list_used)
+  if (opt_list_used)
   {
     ph = GNUNET_ATS_performance_init (cfg, NULL, NULL);
     if (NULL == ph)
@@ -796,8 +839,9 @@
     shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
                                              &end,
                                              NULL);
+    return;
   }
-  else if (opt_monitor)
+  if (opt_monitor)
   {
     ph = GNUNET_ATS_performance_init (cfg,
                                       &ats_perf_mon_cb,
@@ -807,11 +851,11 @@
                "%s",
                _("Cannot connect to ATS service, exiting...\n"));
     shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
-                                             &end,
-                                             NULL);
-
+                                                  &end,
+                                                  NULL);
+    return;
   }
-  else if (opt_set_pref)
+  if (opt_set_pref)
   {
     if (NULL == opt_type_str)
     {
@@ -860,35 +904,27 @@
                                               GNUNET_ATS_PREFERENCE_END);
 
     shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
-                                             &end,
-                                             NULL);
+                                                  &end,
+                                                  NULL);
+    return;
   }
+  if (NULL != cpid_str)
+  {
+    ats_ch = GNUNET_ATS_connectivity_init (cfg);
+    ats_sh = GNUNET_ATS_connectivity_suggest (ats_ch,
+                                              &cpid,
+                                              1000);
+    shutdown_task
+      = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
+                                      &end,
+                                      NULL);
+    return;
+  }
   ret = 1;
 }
 
 
 /**
- * Main function that will be run by the scheduler.
- *
- * @param cls closure
- * @param args remaining command-line arguments
- * @param cfgfile name of the configuration file used (for saving, can be 
NULL!)
- * @param my_cfg configuration
- */
-static void
-run (void *cls,
-     char * const *args,
-     const char *cfgfile,
-     const struct GNUNET_CONFIGURATION_Handle *my_cfg)
-{
-  cfg = (struct GNUNET_CONFIGURATION_Handle *) my_cfg;
-  GNUNET_CLIENT_service_test ("ats", cfg,
-      GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
-      &testservice_ats, (void *) cfg);
-}
-
-
-/**
  * The main function.
  *
  * @param argc number of arguments from the command line
@@ -910,37 +946,42 @@
   stat_receive_done = GNUNET_NO;
   opt_type_str = NULL;
 
-  static const struct GNUNET_GETOPT_CommandLineOption options[] =
-  {
-  { 'u', "used", NULL,
+  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    { 'u', "used", NULL,
       gettext_noop ("get list of active addresses currently used"), 0,
       &GNUNET_GETOPT_set_one, &opt_list_used },
-  { 'a', "all", NULL, gettext_noop ("get list of all active addresses"), 0,
+    { 'a', "all", NULL, gettext_noop ("get list of all active addresses"), 0,
       &GNUNET_GETOPT_set_one, &opt_list_all },
-  { 'n', "numeric", NULL,
+    { 'C', "connect", "PEER",
+      gettext_noop ("connect to PEER"), 1,
+      &GNUNET_GETOPT_set_string, &cpid_str },
+    { 'n', "numeric", NULL,
       gettext_noop ("do not resolve IP addresses to hostnames"), 0,
       &GNUNET_GETOPT_set_one, &opt_resolve_addresses_numeric },
-  { 'm', "monitor", NULL, gettext_noop ("monitor mode"), 0,
+    { 'm', "monitor", NULL, gettext_noop ("monitor mode"), 0,
       &GNUNET_GETOPT_set_one, &opt_monitor },
-  { 'p', "preference", NULL, gettext_noop ("set preference for the given 
peer"),
+    { 'p', "preference", NULL, gettext_noop ("set preference for the given 
peer"),
       0, &GNUNET_GETOPT_set_one, &opt_set_pref },
-  { 'q', "quotas", NULL, gettext_noop ("print all configured quotas"), 0,
+    { 'q', "quotas", NULL, gettext_noop ("print all configured quotas"), 0,
       &GNUNET_GETOPT_set_one, &opt_print_quotas },
-  { 'i', "id", "TYPE", gettext_noop ("peer id"), 1, &GNUNET_GETOPT_set_string,
+    { 'i', "id", "TYPE", gettext_noop ("peer id"), 1, 
&GNUNET_GETOPT_set_string,
       &opt_pid_str },
-  { 't', "type", "TYPE",
+    { 't', "type", "TYPE",
       gettext_noop ("preference type to set: latency | bandwidth"), 1,
       &GNUNET_GETOPT_set_string, &opt_type_str },
-  { 'k', "value", "VALUE", gettext_noop ("preference value"), 1,
+    { 'k', "value", "VALUE", gettext_noop ("preference value"), 1,
       &GNUNET_GETOPT_set_uint, &opt_pref_value },
-  { 'V', "verbose", NULL,
+    { 'V', "verbose", NULL,
       gettext_noop ("verbose output (include ATS address properties)"), 0,
-      &GNUNET_GETOPT_set_one, &opt_verbose }, GNUNET_GETOPT_OPTION_END };
+      &GNUNET_GETOPT_set_one, &opt_verbose },
+    GNUNET_GETOPT_OPTION_END
+  };
 
   if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
     return 2;
 
-  res = GNUNET_PROGRAM_run (argc, argv, "gnunet-ats",
+  res = GNUNET_PROGRAM_run (argc, argv,
+                            "gnunet-ats",
                             gettext_noop ("Print information about ATS state"),
                             options,
                             &run, NULL);
@@ -952,7 +993,6 @@
     return ret;
   else
     return 1;
-
 }
 
 /* end of gnunet-ats.c */

Modified: gnunet/src/include/gnunet_transport_service.h
===================================================================
--- gnunet/src/include/gnunet_transport_service.h       2015-10-18 20:57:37 UTC 
(rev 36552)
+++ gnunet/src/include/gnunet_transport_service.h       2015-10-18 20:58:31 UTC 
(rev 36553)
@@ -190,6 +190,7 @@
  * @param cb_cls closure for the callback @a cb
  * @return a `struct GNUNET_TRANSPORT_TryConnectHandle` handle or
  *         NULL on failure (@a cb will not be called)
+ * @deprecated
  */
 struct GNUNET_TRANSPORT_TryConnectHandle *
 GNUNET_TRANSPORT_try_connect (struct GNUNET_TRANSPORT_Handle *handle,
@@ -235,6 +236,7 @@
  * @param cb_cls closure for the callback @a cb
  * @return a `struct GNUNET_TRANSPORT_TryConnectHandle` handle or
  *         NULL on failure (@a cb will not be called)
+ * @deprecated use blacklisting API instead!
  */
 struct GNUNET_TRANSPORT_TryDisconnectHandle *
 GNUNET_TRANSPORT_try_disconnect (struct GNUNET_TRANSPORT_Handle *handle,

Modified: gnunet/src/transport/gnunet-transport.c
===================================================================
--- gnunet/src/transport/gnunet-transport.c     2015-10-18 20:57:37 UTC (rev 
36552)
+++ gnunet/src/transport/gnunet-transport.c     2015-10-18 20:58:31 UTC (rev 
36553)
@@ -46,7 +46,7 @@
 #define RESOLUTION_TIMEOUT GNUNET_TIME_relative_multiply 
(GNUNET_TIME_UNIT_SECONDS, 30)
 
 /**
- * Timeout for an operations
+ * Timeout for an operation
  */
 #define OP_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
 
@@ -271,16 +271,11 @@
 static struct GNUNET_CONFIGURATION_Handle *cfg;
 
 /**
- * Try connect handle
+ * Blacklisting handle
  */
-struct GNUNET_TRANSPORT_TryConnectHandle *tc_handle;
+struct GNUNET_TRANSPORT_Blacklist *blacklist;
 
 /**
- * Try disconnect handle
- */
-struct GNUNET_TRANSPORT_TryDisconnectHandle *td_handle;
-
-/**
  * Option -s.
  */
 static int benchmark_send;
@@ -336,14 +331,9 @@
 static int monitor_plugins;
 
 /**
- * Option -C.
- */
-static int try_connect;
-
-/**
  * Option -D.
  */
-static int try_disconnect;
+static int do_disconnect;
 
 /**
  * Option -n.
@@ -519,11 +509,6 @@
     GNUNET_SCHEDULER_cancel (op_timeout);
     op_timeout = NULL;
   }
-  if (NULL != tc_handle)
-  {
-    GNUNET_TRANSPORT_try_connect_cancel (tc_handle);
-    tc_handle = NULL;
-  }
   if (NULL != pic)
   {
     GNUNET_TRANSPORT_monitor_peers_cancel (pic);
@@ -605,9 +590,18 @@
     GNUNET_CONTAINER_multipeermap_destroy (monitored_plugins);
     monitored_plugins = NULL;
   }
+  if (NULL != blacklist)
+  {
+    GNUNET_TRANSPORT_blacklist_cancel (blacklist);
+    blacklist = NULL;
+    ret = 0;
+  }
 }
 
 
+/**
+ * We are done, shut down.
+ */
 static void
 operation_timeout (void *cls,
                    const struct GNUNET_SCHEDULER_TaskContext *tc)
@@ -614,8 +608,9 @@
 {
   struct PeerResolutionContext *cur;
   struct PeerResolutionContext *next;
+
   op_timeout = NULL;
-  if ((try_connect) || (benchmark_send) || (benchmark_receive))
+  if ((benchmark_send) || (benchmark_receive))
   {
     FPRINTF (stdout,
              _("Failed to connect to `%s'\n"),
@@ -1108,24 +1103,6 @@
   if (0 != memcmp (&pid, peer, sizeof(struct GNUNET_PeerIdentity)))
     return;
   ret = 0;
-  if (try_connect)
-  {
-    /* all done, terminate instantly */
-    FPRINTF (stdout, _("Successfully connected to `%s'\n"),
-        GNUNET_i2s_full (peer));
-    ret = 0;
-
-    if (NULL != op_timeout)
-    {
-      GNUNET_SCHEDULER_cancel (op_timeout);
-      op_timeout = NULL;
-    }
-
-    if (NULL != end)
-      GNUNET_SCHEDULER_cancel (end);
-    end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
-    return;
-  }
   if (benchmark_send)
   {
     if (NULL != op_timeout)
@@ -1165,25 +1142,6 @@
   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 (NULL != op_timeout)
-    {
-      GNUNET_SCHEDULER_cancel (op_timeout);
-      op_timeout = NULL;
-    }
-
-    if (NULL != end)
-      GNUNET_SCHEDULER_cancel (end);
-    end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
-    return;
-  }
-
   if (NULL != th)
   {
     GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
@@ -1425,7 +1383,7 @@
       op_timeout = NULL;
     }
     ret = 0;
-    end = GNUNET_SCHEDULER_add_now (&shutdown_task, 
+    end = GNUNET_SCHEDULER_add_now (&shutdown_task,
                                    NULL);
   }
 }
@@ -1450,7 +1408,7 @@
   struct PeerResolutionContext *rc;
 
   rc = GNUNET_new (struct PeerResolutionContext);
-  GNUNET_CONTAINER_DLL_insert (rc_head, 
+  GNUNET_CONTAINER_DLL_insert (rc_head,
                               rc_tail,
                               rc);
   address_resolutions++;
@@ -1512,12 +1470,12 @@
               address->transport_name);
 
   if (NULL != address)
-    resolve_peer_address (address, 
-                         numeric, 
+    resolve_peer_address (address,
+                         numeric,
                          state,
                          state_timeout);
   else
-    print_info (peer, 
+    print_info (peer,
                NULL,
                NULL,
                state,
@@ -1751,7 +1709,7 @@
                                              &operation_timeout,
                                              NULL);
 
-  if (NULL == (m = GNUNET_CONTAINER_multipeermap_get (monitored_peers, 
+  if (NULL == (m = GNUNET_CONTAINER_multipeermap_get (monitored_peers,
                                                      peer)))
   {
     m = GNUNET_new (struct MonitoredPeer);
@@ -1770,7 +1728,7 @@
       return; /* No real change */
     }
     if ( (m->state == state) &&
-        (NULL != address) && 
+        (NULL != address) &&
         (NULL != m->address) &&
         (0 == GNUNET_HELLO_address_cmp(m->address, address)) )
       return; /* No real change */
@@ -1801,77 +1759,27 @@
 
 
 /**
- * Function called with our result of trying to connect to a peer
- * using the transport service. Will retry 10 times, and if we still
- * fail to connect terminate with an error message.
+ * Function called with the transport service checking if we
+ * want to blacklist a peer. Return #GNUNET_SYSERR for the
+ * peer that we should disconnect from.
  *
  * @param cls NULL
- * @param result #GNUNET_OK if we connected to the service
+ * @param cpid peer to check blacklisting for
+ * @return #GNUNET_OK if the connection is allowed, #GNUNET_SYSERR if not
  */
-static void
-try_connect_cb (void *cls,
-                const int result)
+static int
+blacklist_cb (void *cls,
+              const struct GNUNET_PeerIdentity *cpid)
 {
-  static int retries = 0;
-
-  tc_handle = NULL;
-  if (GNUNET_OK == result)
-    return;
-  retries++;
-  if (retries < 10)
-  {
-    tc_handle = GNUNET_TRANSPORT_try_connect (handle,
-                                              &pid,
-                                              &try_connect_cb,
-                                              NULL);
-    return;
-  }
-  FPRINTF (stderr,
-           "%s",
-           _("Failed to send connect request to transport service\n"));
-  if (NULL != end)
-    GNUNET_SCHEDULER_cancel (end);
-  ret = 1;
-  end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
+  if (0 == memcmp (cpid,
+                   &pid,
+                   sizeof (struct GNUNET_PeerIdentity)))
+    return GNUNET_SYSERR;
+  return GNUNET_OK;
 }
 
 
 /**
- * Function called with our result of trying to disconnect a peer
- * using the transport service. Will retry 10 times, and if we still
- * fail to disconnect, terminate with an error message.
- *
- * @param cls NULL
- * @param result #GNUNET_OK if we connected to the service
- */
-static void
-try_disconnect_cb (void *cls,
-                   const int result)
-{
-  static int retries = 0;
-
-  td_handle = NULL;
-  if (GNUNET_OK == result)
-    return;
-  retries++;
-  if (retries < 10)
-  {
-    td_handle = GNUNET_TRANSPORT_try_disconnect (handle,
-                                                 &pid,
-                                                 &try_disconnect_cb,
-                                                 NULL);
-    return;
-  }
-  FPRINTF (stderr, "%s",
-           _("Failed to send disconnect request to transport service\n"));
-  if (NULL != end)
-    GNUNET_SCHEDULER_cancel (end);
-  ret = 1;
-  end = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
-}
-
-
-/**
  * Function called with the result of the check if the 'transport'
  * service is running.
  *
@@ -1891,24 +1799,27 @@
     return;
   }
 
-  if ((NULL != cpid)
-      && (GNUNET_OK
-          != GNUNET_CRYPTO_eddsa_public_key_from_string (cpid, strlen (cpid),
-              &pid.public_key)))
+  if ( (NULL != cpid) &&
+       (GNUNET_OK !=
+        GNUNET_CRYPTO_eddsa_public_key_from_string (cpid,
+                                                    strlen (cpid),
+                                                    &pid.public_key)))
   {
-    FPRINTF (stderr, _("Failed to parse peer identity `%s'\n"), cpid);
+    FPRINTF (stderr,
+             _("Failed to parse peer identity `%s'\n"),
+             cpid);
     return;
   }
 
   counter = benchmark_send + benchmark_receive + iterate_connections
-      + monitor_connections + monitor_connects + try_connect + try_disconnect +
+      + monitor_connections + monitor_connects + do_disconnect +
       + iterate_validation + monitor_validation + monitor_plugins;
 
   if (1 < counter)
   {
     FPRINTF (stderr,
-        _("Multiple operations given. Please choose only one operation: %s, 
%s, %s, %s, %s, %s %s\n"),
-        "connect", "benchmark send", "benchmark receive", "information",
+             _("Multiple operations given. Please choose only one operation: 
%s, %s, %s, %s, %s, %s %s\n"),
+             "disconnect", "benchmark send", "benchmark receive", 
"information",
              "monitor", "events", "plugins");
     return;
   }
@@ -1916,72 +1827,36 @@
   {
     FPRINTF (stderr,
         _("No operation given. Please choose one operation: %s, %s, %s, %s, 
%s, %s, %s\n"),
-        "connect", "benchmark send", "benchmark receive", "information",
+             "disconnect", "benchmark send", "benchmark receive", 
"information",
              "monitor", "events", "plugins");
     return;
   }
 
-  if (try_connect) /* -C: Connect to peer */
+  if (do_disconnect) /* -D: Disconnect from peer */
   {
     if (NULL == cpid)
     {
-      FPRINTF (stderr, _("Option `%s' makes no sense without option `%s'.\n"),
-          "-C", "-p");
+      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)
+    blacklist = GNUNET_TRANSPORT_blacklist (cfg,
+                                            &blacklist_cb,
+                                            NULL);
+    if (NULL == blacklist)
     {
-      FPRINTF (stderr, "%s", _("Failed to connect to transport service\n"));
+      FPRINTF (stderr,
+               "%s",
+               _("Failed to connect to transport service for 
disconnection\n"));
       ret = 1;
       return;
     }
-    tc_handle = GNUNET_TRANSPORT_try_connect (handle, &pid, try_connect_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);
-
+    FPRINTF (stdout,
+             "%s",
+             _("Blacklisting request in place, stop with CTRL-C\n"));
   }
-  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;
-    }
-    td_handle = GNUNET_TRANSPORT_try_disconnect (handle, &pid,
-                                                 &try_disconnect_cb,
-                                                 NULL);
-    if (NULL == td_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 */
   {
     if (NULL == cpid)
@@ -1991,7 +1866,9 @@
       ret = 1;
       return;
     }
-    handle = GNUNET_TRANSPORT_connect (cfg, NULL, NULL,
+    handle = GNUNET_TRANSPORT_connect (cfg,
+                                       NULL,
+                                       NULL,
                                        &notify_receive,
                                        &notify_connect,
                                        &notify_disconnect);
@@ -2001,17 +1878,6 @@
       ret = 1;
       return;
     }
-    tc_handle = GNUNET_TRANSPORT_try_connect (handle,
-                                              &pid,
-                                              &try_connect_cb,
-                                              NULL);
-    if (NULL == tc_handle)
-    {
-      FPRINTF (stderr, "%s",
-          _("Failed to send request to transport service\n"));
-      ret = 1;
-      return;
-    }
     start_time = GNUNET_TIME_absolute_get ();
     op_timeout = GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT,
                                                &operation_timeout,
@@ -2019,8 +1885,12 @@
   }
   else if (benchmark_receive) /* -b: Benchmark receiving */
   {
-    handle = GNUNET_TRANSPORT_connect (cfg, NULL, NULL, &notify_receive, NULL,
-        NULL);
+    handle = GNUNET_TRANSPORT_connect (cfg,
+                                       NULL,
+                                       NULL,
+                                       &notify_receive,
+                                       NULL,
+                                       NULL);
     if (NULL == handle)
     {
       FPRINTF (stderr, "%s", _("Failed to connect to transport service\n"));
@@ -2037,17 +1907,18 @@
     address_resolution_in_progress = GNUNET_YES;
     pic = GNUNET_TRANSPORT_monitor_peers (cfg, (NULL == cpid) ? NULL : &pid,
         GNUNET_YES, TIMEOUT, &process_peer_iteration_cb, (void *) cfg);
-    op_timeout = GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout,
-        NULL);
+    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, 
+    monitored_peers = GNUNET_CONTAINER_multipeermap_create (10,
                                                            GNUNET_NO);
     address_resolution_in_progress = GNUNET_YES;
-    pic = GNUNET_TRANSPORT_monitor_peers (cfg, 
+    pic = GNUNET_TRANSPORT_monitor_peers (cfg,
                                          (NULL == cpid) ? NULL : &pid,
-                                          GNUNET_NO, 
+                                          GNUNET_NO,
                                          TIMEOUT,
                                           &process_peer_monitoring_cb, NULL);
   }
@@ -2135,12 +2006,9 @@
     { '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",
-      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 },
+      &GNUNET_GETOPT_set_one, &do_disconnect },
     { 'd', "validation", NULL,
       gettext_noop ("print information for all pending validations "),
       0, &GNUNET_GETOPT_set_one, &iterate_validation },




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