2 This file is part of GNUnet.
3 Copyright (C) 2009, 2015 Christian Grothoff (and other contributing authors)
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 3, or (at your
8 option) any later version.
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.
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., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
22 * Testcase for STUN server resolution
24 * @file nat/test_stun.c
25 * @brief Testcase for STUN library
26 * @author Bruno Souza Cabral
33 #include "gnunet_util_lib.h"
34 #include "gnunet_program_lib.h"
35 #include "gnunet_scheduler_lib.h"
36 #include "gnunet_nat_lib.h"
40 #define LOG(kind,...) GNUNET_log_from (kind, "test-stun", __VA_ARGS__)
43 * Time to wait before stopping NAT, in seconds
45 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
49 * The port the test service is running on (default 7895)
51 static unsigned long port = 7895;
54 static char *stun_server = "stun2.l.google.com";
55 static int stun_port = 19302;
58 * The listen socket of the service for IPv4
60 static struct GNUNET_NETWORK_Handle *lsock4;
64 * The listen task ID for IPv4
66 static struct GNUNET_SCHEDULER_Task * ltask4;
72 print_answer(struct sockaddr_in* answer)
74 printf("External IP is: %s , with port %d\n", inet_ntoa(answer->sin_addr), ntohs(answer->sin_port));
79 * Activity on our incoming socket. Read data from the
80 * incoming connection.
83 * @param tc scheduler context
86 do_udp_read (void *cls,
87 const struct GNUNET_SCHEDULER_TaskContext *tc)
89 //struct GNUNET_NAT_Test *tst = cls;
90 unsigned char reply_buf[1024];
92 struct sockaddr_in answer;
97 if ((0 != (tc->reason & GNUNET_SCHEDULER_REASON_READ_READY)) &&
98 (GNUNET_NETWORK_fdset_isset (tc->read_ready,
101 rlen = GNUNET_NETWORK_socket_recv (lsock4, reply_buf, sizeof (reply_buf));
104 //Lets handle the packet
105 memset(&answer, 0, sizeof(struct sockaddr_in));
106 GNUNET_NAT_stun_handle_packet(reply_buf,rlen, &answer);
110 print_answer(&answer);
112 //Destroy the connection
113 GNUNET_NETWORK_socket_close(lsock4);
122 * Create an IPv4 listen socket bound to our port.
124 * @return NULL on error
126 static struct GNUNET_NETWORK_Handle *
129 struct GNUNET_NETWORK_Handle *ls;
130 struct sockaddr_in sa4;
133 memset (&sa4, 0, sizeof (sa4));
134 sa4.sin_family = AF_INET;
135 sa4.sin_port = htons (port);
136 #if HAVE_SOCKADDR_IN_SIN_LEN
137 sa4.sin_len = sizeof (sa4);
139 ls = GNUNET_NETWORK_socket_create (AF_INET,
145 GNUNET_NETWORK_socket_bind (ls, (const struct sockaddr *) &sa4,
149 GNUNET_NETWORK_socket_close (ls);
157 * Function that terminates the test.
162 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Stopping NAT and quitting...\n");
164 printf("Stopped !!\n");
167 GNUNET_SCHEDULER_cancel (ltask4);
171 GNUNET_NETWORK_socket_close (lsock4);
176 static void request_callback(void *cls,
177 enum GNUNET_NAT_StatusCode result)
181 printf("Called back\n");
186 * Main function run with scheduler.
189 run (void *cls, char *const *args, const char *cfgfile,
190 const struct GNUNET_CONFIGURATION_Handle *cfg)
194 //Lets create the socket
198 GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "bind");
199 GNUNET_SCHEDULER_shutdown ();
204 //Lets call our function now when it accepts
205 ltask4 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
206 lsock4, &do_udp_read, NULL);
207 /* So you read once and what will happen if you get an irregular message? Repeat and add timeout */
211 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
212 "Service listens on port %u\n",
214 printf("Start main event\n");
215 GNUNET_NAT_stun_make_request(stun_server, stun_port, lsock4, &request_callback, NULL);
216 printf("Made the requeest\n");
218 //GNUNET_SCHEDULER_add_delayed (TIMEOUT, &stop, NULL);
224 main (int argc, char *const argv[])
226 struct GNUNET_GETOPT_CommandLineOption options[] = {
227 GNUNET_GETOPT_OPTION_END
230 char *const argv_prog[] = {
236 GNUNET_log_setup ("test-stun",
240 /* Lets start resolver */
242 struct GNUNET_OS_Process *proc;
244 fn = GNUNET_OS_get_libexec_binary_path ("gnunet-service-resolver");
245 proc = GNUNET_OS_start_process (GNUNET_YES,
246 GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
249 "gnunet-service-resolver",
250 "-c", "test_stun.conf", NULL);
251 GNUNET_assert (NULL != proc);
253 GNUNET_PROGRAM_run (3, argv_prog, "test-stun", "nohelp", options, &run, NULL);
255 /* Now kill the resolver */
256 if (0 != GNUNET_OS_process_kill (proc, GNUNET_TERM_SIG))
258 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
260 GNUNET_OS_process_wait (proc);
261 GNUNET_OS_process_destroy (proc);
268 /* end of test_stun.c */