src/util/test_connection_receive_cancel.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2009 Christian Grothoff (and other contributing authors)
   4
   5      GNUnet is free software; you can redistribute it and/or modify
   6      it under the terms of the GNU General Public License as published
   7      by the Free Software Foundation; either version 2, or (at your
   8      option) any later version.
   9
  10      GNUnet is distributed in the hope that it will be useful, but
  11      WITHOUT ANY WARRANTY; without even the implied warranty of
  12      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13      General Public License for more details.
  14
  15      You should have received a copy of the GNU General Public License
  16      along with GNUnet; see the file COPYING.  If not, write to the
  17      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18      Boston, MA 02111-1307, USA.
  19 */
  20 /**
  21  * @file util/test_connection_receive_cancel.c
  22  * @brief tests for connection.c
  23  */
  24 #include "platform.h"
  25 #include "gnunet_common.h"
  26 #include "gnunet_connection_lib.h"
  27 #include "gnunet_scheduler_lib.h"
  28 #include "gnunet_time_lib.h"
  29
  30 #define VERBOSE GNUNET_NO
  31
  32 #define PORT 12435
  33
  34
  35 static struct GNUNET_CONNECTION_Handle *csock;
  36
  37 static struct GNUNET_CONNECTION_Handle *asock;
  38
  39 static struct GNUNET_CONNECTION_Handle *lsock;
  40
  41 static struct GNUNET_NETWORK_Handle *ls;
  42
  43 static GNUNET_SCHEDULER_TaskIdentifier receive_task;
  44
  45
  46
  47
  48 /**
  49  * Create and initialize a listen socket for the server.
  50  *
  51  * @return NULL on error, otherwise the listen socket
  52  */
  53 static struct GNUNET_NETWORK_Handle *
  54 open_listen_socket ()
  55 {
  56   const static int on = 1;
  57   struct sockaddr_in sa;
  58   struct GNUNET_NETWORK_Handle *desc;
  59
  60   memset (&sa, 0, sizeof (sa));
  61   sa.sin_port = htons (PORT);
  62   desc = GNUNET_NETWORK_socket_socket (AF_INET, SOCK_STREAM, 0);
  63   GNUNET_assert (desc != NULL);
  64   if (GNUNET_NETWORK_socket_setsockopt (desc, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on)) < 0)
  65     GNUNET_log (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
  66                 "setsockopt");
  67   GNUNET_assert (GNUNET_NETWORK_socket_bind (desc,
  68                                              (const struct sockaddr*) &sa,
  69                                              sizeof (sa)) >= 0);
  70   GNUNET_NETWORK_socket_listen (desc, 5);
  71   return desc;
  72 }
  73
  74
  75
  76 static void
  77 dead_receive (void *cls,
  78               const void *buf,
  79               size_t available,
  80               const struct sockaddr *addr, socklen_t addrlen, int errCode)
  81 {
  82   GNUNET_assert (0);
  83 }
  84
  85
  86 static void
  87 run_accept_cancel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  88 {
  89
  90   asock = GNUNET_CONNECTION_create_from_accept (tc->sched,
  91                                                     NULL, NULL, ls, 1024);
  92   GNUNET_assert (asock != NULL);
  93   GNUNET_assert (GNUNET_YES == GNUNET_CONNECTION_check (asock));
  94   GNUNET_CONNECTION_destroy (lsock);
  95   receive_task
  96     = GNUNET_CONNECTION_receive (asock,
  97                               1024,
  98                               GNUNET_TIME_relative_multiply
  99                               (GNUNET_TIME_UNIT_SECONDS, 5), &dead_receive,
 100                               cls);
 101 }
 102
 103
 104 static void
 105 receive_cancel_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 106 {
 107   int *ok = cls;
 108   GNUNET_CONNECTION_receive_cancel (asock, receive_task);
 109   GNUNET_CONNECTION_destroy (csock);
 110   GNUNET_CONNECTION_destroy (asock);
 111   *ok = 0;
 112 }
 113
 114
 115
 116 static void
 117 task_receive_cancel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 118 {
 119   ls = open_listen_socket ();
 120   lsock = GNUNET_CONNECTION_create_from_existing (tc->sched, ls, 0);
 121   GNUNET_assert (lsock != NULL);
 122   csock = GNUNET_CONNECTION_create_from_connect (tc->sched,
 123                                                      "localhost", PORT, 1024);
 124   GNUNET_assert (csock != NULL);
 125   GNUNET_SCHEDULER_add_read_net (tc->sched,
 126                              GNUNET_NO,
 127                              GNUNET_SCHEDULER_PRIORITY_HIGH,
 128                              GNUNET_SCHEDULER_NO_TASK,
 129                              GNUNET_TIME_UNIT_FOREVER_REL,
 130                              ls, &run_accept_cancel, cls);
 131   GNUNET_SCHEDULER_add_delayed (tc->sched,
 132                                 GNUNET_NO,
 133                                 GNUNET_SCHEDULER_PRIORITY_KEEP,
 134                                 GNUNET_SCHEDULER_NO_TASK,
 135                                 GNUNET_TIME_UNIT_SECONDS,
 136                                 &receive_cancel_task, cls);
 137 }
 138
 139
 140
 141 /**
 142  * Main method, starts scheduler with task_timeout.
 143  */
 144 static int
 145 check_receive_cancel ()
 146 {
 147   int ok;
 148
 149   ok = 1;
 150   GNUNET_SCHEDULER_run (&task_receive_cancel, &ok);
 151   return ok;
 152 }
 153
 154
 155 int
 156 main (int argc, char *argv[])
 157 {
 158   int ret = 0;
 159
 160   GNUNET_log_setup ("test_connection_receive_cancel", "WARNING", NULL);
 161   ret += check_receive_cancel ();
 162
 163   return ret;
 164 }
 165
 166 /* end of test_connection_receive_cancel.c */