moving resolver to util, making DNS lookups asynchronous in util
[oweals/gnunet.git] / 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 struct GNUNET_CONFIGURATION_Handle *cfg;
44
45
46 /**
47  * Create and initialize a listen socket for the server.
48  *
49  * @return NULL on error, otherwise the listen socket
50  */
51 static struct GNUNET_NETWORK_Handle *
52 open_listen_socket ()
53 {
54   const static int on = 1;
55   struct sockaddr_in sa;
56   struct GNUNET_NETWORK_Handle *desc;
57
58   memset (&sa, 0, sizeof (sa));
59 #if HAVE_SOCKADDR_IN_SIN_LEN
60   sa.sin_len = sizeof (sa);
61 #endif
62   sa.sin_port = htons (PORT);
63   desc = GNUNET_NETWORK_socket_socket (AF_INET, SOCK_STREAM, 0);
64   GNUNET_assert (desc != NULL);
65   if (GNUNET_NETWORK_socket_setsockopt (desc, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on)) != GNUNET_OK)
66     GNUNET_log (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
67                 "setsockopt");
68   GNUNET_assert (GNUNET_NETWORK_socket_bind (desc,
69                                              (const struct sockaddr*) &sa,
70                                              sizeof (sa)) == GNUNET_OK);
71   GNUNET_NETWORK_socket_listen (desc, 5);
72   return desc;
73 }
74
75
76
77 static void
78 dead_receive (void *cls,
79               const void *buf,
80               size_t available,
81               const struct sockaddr *addr, socklen_t addrlen, int errCode)
82 {
83   GNUNET_assert (0);
84 }
85
86
87 static void
88 run_accept_cancel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
89 {
90
91   asock = GNUNET_CONNECTION_create_from_accept (tc->sched,
92                                                     NULL, NULL, ls, 1024);
93   GNUNET_assert (asock != NULL);
94   GNUNET_assert (GNUNET_YES == GNUNET_CONNECTION_check (asock));
95   GNUNET_CONNECTION_destroy (lsock);
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);
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, cfg,
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   cfg = GNUNET_CONFIGURATION_create ();
151   GNUNET_CONFIGURATION_set_value_string (cfg,
152                                          "resolver", "HOSTNAME", "localhost");
153   GNUNET_SCHEDULER_run (&task_receive_cancel, &ok);
154   GNUNET_CONFIGURATION_destroy (cfg);
155   return ok;
156 }
157
158
159 int
160 main (int argc, char *argv[])
161 {
162   int ret = 0;
163
164   GNUNET_log_setup ("test_connection_receive_cancel", "WARNING", NULL);
165   ret += check_receive_cancel ();
166
167   return ret;
168 }
169
170 /* end of test_connection_receive_cancel.c */