2 This file is part of GNUnet.
3 (C) 2011, 2012 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., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file stream/test_stream_local.c
23 * @brief Stream API testing between local peers
24 * @author Sree Harsha Totakura
28 #include <sys/socket.h> /* For SHUT_RD, SHUT_WR */
31 #include "gnunet_util_lib.h"
32 #include "gnunet_mesh_service.h"
33 #include "gnunet_stream_lib.h"
37 static struct GNUNET_OS_Process *arm_pid;
38 static struct GNUNET_STREAM_Socket *peer1_socket;
39 static struct GNUNET_STREAM_ListenSocket *peer2_listen_socket;
40 static struct GNUNET_STREAM_Socket *peer2_socket;
42 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
43 static GNUNET_SCHEDULER_TaskIdentifier test_task;
44 static GNUNET_SCHEDULER_TaskIdentifier read_task;
46 static GNUNET_STREAM_IOHandle *peer1_IOHandle;
47 static GNUNET_STREAM_IOHandle *peer2_IOHandle;
49 static char *data = "ABCD";
50 static unsigned int data_pointer;
51 static unsigned int read_pointer;
54 static int test1_success_counter;
61 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
63 GNUNET_STREAM_close (peer1_socket);
64 GNUNET_STREAM_close (peer2_socket);
65 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: shutdown\n");
68 GNUNET_SCHEDULER_cancel (abort_task);
70 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: arm\n");
71 if (0 != GNUNET_OS_process_kill (arm_pid, SIGTERM))
73 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
75 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Wait\n");
76 GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (arm_pid));
77 GNUNET_OS_process_close (arm_pid);
82 * Something went wrong and timed out. Kill everything and set error flag
85 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
87 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: ABORT\n");
90 GNUNET_SCHEDULER_cancel (test_task);
94 GNUNET_SCHEDULER_cancel (read_task);
96 result = GNUNET_SYSERR;
98 do_shutdown (cls, tc);
103 * The write completion function; called upon writing some data to stream or
106 * @param cls the closure from GNUNET_STREAM_write/read
107 * @param status the status of the stream at the time this function is called
108 * @param size the number of bytes read or written
110 void write_completion (void *cls,
111 enum GNUNET_STREAM_Status status,
115 if (3 == test1_success_counter) /* Called for peer2's write operation */
117 /* peer1 has shutdown reading */
118 GNUNET_assert (GNUNET_STREAM_SHUTDOWN == status);
119 GNUNET_assert (0 == size);
120 test1_success_counter ++;
122 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
124 GNUNET_assert (GNUNET_STREAM_OK == status);
125 if (data_pointer + size != strlen(data)) /* Have more data to send */
127 data_pointer += size;
128 peer1_IOHandle = GNUNET_STREAM_write (peer1_socket,
130 strlen(data) - data_pointer,
131 GNUNET_TIME_relative_multiply
132 (GNUNET_TIME_UNIT_SECONDS, 5),
135 GNUNET_assert (NULL != peer1_IOHandle);
137 else{ /* Close peer1 socket */
138 test1_success_counter++;
139 GNUNET_STREAM_shutdown (peer1_socket, SHUT_RDWR);
145 * Function executed after stream has been established
147 * @param cls the closure from GNUNET_STREAM_open
148 * @param socket socket to use to communicate with the other side (read/write)
151 stream_open_cb (void *cls,
152 struct GNUNET_STREAM_Socket
156 GNUNET_assert (socket == peer1_socket);
157 peer1_IOHandle = GNUNET_STREAM_write (socket, /* socket */
158 (void *) data, /* data */
160 GNUNET_TIME_relative_multiply
161 (GNUNET_TIME_UNIT_SECONDS, 5),
164 GNUNET_assert (NULL != peer1_IOHandle);
172 * @param cls the closure from GNUNET_STREAM_write/read
173 * @param status the status of the stream at the time this function is called
174 * @param data traffic from the other side
175 * @param size the number of bytes available in data read
176 * @return number of bytes of processed from 'data' (any data remaining should be
177 * given to the next time the read processor is called).
180 input_processor (void *cls,
181 enum GNUNET_STREAM_Status status,
182 const void *input_data,
186 if (2 == test1_success_counter)
188 GNUNET_assert (GNUNET_STREAM_SHUTDOWN == status);
189 GNUNET_assert (0 == size);
190 test1_success_counter ++;
191 /* Now this should result in STREAM_SHUTDOWN */
192 peer2_IOHandle = GNUNET_STREAM_write (peer2_socket,
195 GNUNET_TIME_relative_multiply
196 (GNUNET_TIME_UNIT_SECONDS, 5),
198 (void *) peer2_socket);
203 GNUNET_assert (GNUNET_STERAM_OK == status);
204 GNUNET_assert (size < strlen (data));
205 GNUNET_assert (strncmp ((const char *) data,
206 (const char *) input_data,
208 read_pointer += size;
210 if (read_pointer < strlen (data))
212 peer2_IOHandle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) cls,
213 GNUNET_TIME_relative_multiply
214 (GNUNET_TIME_UNIT_SECONDS, 5),
217 GNUNET_assert (NULL != peer2_IOHandle);
220 test1_success_counter ++;
221 /* This time should the read status should be STERAM_SHUTDOWN */
222 peer2_IOHandle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) cls,
223 GNUNET_TIME_relative_multiply
224 (GNUNET_TIME_UNIT_SECONDS, 5),
236 * Scheduler call back; to be executed when a new stream is connected
239 stream_read (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
241 read_task = GNUNET_SCHEDULER_NO_TASK;
242 GNUNET_assert (NULL != cls);
244 GNUNET_STREAM_listen_close (peer2_listen_socket); /* Close listen socket */
245 peer2_IOHandle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) cls,
246 GNUNET_TIME_relative_multiply
247 (GNUNET_TIME_UNIT_SECONDS, 5),
250 GNUNET_assert (NULL != peer2_IOHandle);
255 * Functions of this type are called upon new stream connection from other peers
257 * @param cls the closure from GNUNET_STREAM_listen
258 * @param socket the socket representing the stream
259 * @param initiator the identity of the peer who wants to establish a stream
261 * @return GNUNET_OK to keep the socket open, GNUNET_SYSERR to close the
262 * stream (the socket will be invalid after the call)
265 stream_listen_cb (void *cls,
266 struct GNUNET_STREAM_Socket *socket,
267 const struct GNUNET_PeerIdentity *initiator)
269 GNUNET_assert (NULL != socket);
270 GNUNET_assert (NULL == initiator); /* Local peer=NULL? */
271 GNUNET_assert (socket != peer1_socket);
273 peer2_socket = socket;
274 read_task = GNUNET_SCHEDULER_add_now (&stream_read, (void *) socket);
283 test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
285 test_task = GNUNET_SCHEDULER_NO_TASK;
286 test1_success_counter = 0;
287 /* Connect to stream library */
288 peer1_socket = GNUNET_STREAM_open (NULL, /* Null for local peer? */
291 GNUNET_assert (NULL != peer1_socket);
292 peer2_listen_socket = GNUNET_STREAM_listen (10 /* App port */
295 GNUNET_assert (NULL != peer2_listen_socket);
300 * Initialize framework and start test
303 run (void *cls, char *const *args, const char *cfgfile,
304 const struct GNUNET_CONFIGURATION_Handle *cfg)
306 GNUNET_log_setup ("test_stream_local",
314 GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
315 "gnunet-service-arm",
319 "-c", "test_stream_local.conf", NULL);
322 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
323 (GNUNET_TIME_UNIT_SECONDS, 20), &do_abort,
326 test_task = GNUNET_SCHEDULER_add_now (&test, (void *) cfg);
333 int main (int argc, char **argv)
337 char *const argv2[] = { "test-stream-local",
338 "-c", "test_stream.conf",
345 struct GNUNET_GETOPT_CommandLineOption options[] = {
346 GNUNET_GETOPT_OPTION_END
350 GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
351 "test-stream-local", "nohelp", options, &run, NULL);
353 if (GNUNET_OK != ret)
355 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "run failed with error code %d\n",
359 if (GNUNET_SYSERR == result)
361 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "test failed\n");
364 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test ok\n");