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
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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.
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16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 * @file stream/test_stream_local.c
23 * @brief Stream API testing between local peers
24 * @author Sree Harsha Totakura
30 #include "gnunet_util_lib.h"
31 #include "gnunet_mesh_service.h"
32 #include "gnunet_stream_lib.h"
37 * Structure for holding peer's sockets and IO Handles
42 * Peer's stream socket
44 struct GNUNET_STREAM_Socket *socket;
49 struct GNUNET_STREAM_IOHandle *io_handle;
52 * Bytes the peer has written
54 unsigned int bytes_wrote;
57 * Byte the peer has read
59 unsigned int bytes_read;
62 static struct GNUNET_OS_Process *arm_pid;
63 static struct PeerData peer1;
64 static struct PeerData peer2;
65 static struct GNUNET_STREAM_ListenSocket *peer2_listen_socket;
67 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
68 static GNUNET_SCHEDULER_TaskIdentifier test_task;
69 static GNUNET_SCHEDULER_TaskIdentifier read_task;
71 static char *data = "ABCD";
78 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
80 GNUNET_STREAM_close (peer1.socket);
81 GNUNET_STREAM_close (peer2.socket);
82 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: shutdown\n");
85 GNUNET_SCHEDULER_cancel (abort_task);
87 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: arm\n");
88 if (0 != GNUNET_OS_process_kill (arm_pid, SIGTERM))
90 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
92 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Wait\n");
93 GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (arm_pid));
94 GNUNET_OS_process_close (arm_pid);
99 * Something went wrong and timed out. Kill everything and set error flag
102 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
104 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: ABORT\n");
107 GNUNET_SCHEDULER_cancel (test_task);
111 GNUNET_SCHEDULER_cancel (read_task);
113 result = GNUNET_SYSERR;
115 do_shutdown (cls, tc);
120 * The write completion function; called upon writing some data to stream or
123 * @param cls the closure from GNUNET_STREAM_write/read
124 * @param status the status of the stream at the time this function is called
125 * @param size the number of bytes read or written
127 void write_completion (void *cls,
128 enum GNUNET_STREAM_Status status,
131 struct PeerData *peer;
133 peer = (struct PeerData *) cls;
134 GNUNET_assert (GNUNET_STREAM_OK == status);
135 GNUNET_assert (size < strlen (data));
136 peer->bytes_wrote += size;
138 if (peer->bytes_wrote < strlen(data)) /* Have more data to send */
140 peer->io_handle = GNUNET_STREAM_write (peer->socket,
142 strlen(data) - peer->bytes_wrote,
143 GNUNET_TIME_relative_multiply
144 (GNUNET_TIME_UNIT_SECONDS, 5),
147 GNUNET_assert (NULL != peer->io_handle);
151 if (&peer1 == peer) /* Peer1 has finished writing; should read now */
153 peer->io_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *)
155 GNUNET_TIME_relative_multiply
156 (GNUNET_TIME_UNIT_SECONDS, 5),
159 GNUNET_assert (NULL!=peer->io_handle);
166 * Function executed after stream has been established
168 * @param cls the closure from GNUNET_STREAM_open
169 * @param socket socket to use to communicate with the other side (read/write)
172 stream_open_cb (void *cls,
173 struct GNUNET_STREAM_Socket *socket)
175 struct PeerData *peer;
177 peer = (struct PeerData *) cls;
178 peer->bytes_wrote = 0;
179 GNUNET_assert (socket == peer1.socket);
180 GNUNET_assert (socket == peer->socket);
181 peer->io_handle = GNUNET_STREAM_write (peer->socket, /* socket */
182 (void *) data, /* data */
184 GNUNET_TIME_relative_multiply
185 (GNUNET_TIME_UNIT_SECONDS, 5),
188 GNUNET_assert (NULL != peer->io_handle);
195 * @param cls the closure from GNUNET_STREAM_write/read
196 * @param status the status of the stream at the time this function is called
197 * @param data traffic from the other side
198 * @param size the number of bytes available in data read
199 * @return number of bytes of processed from 'data' (any data remaining should be
200 * given to the next time the read processor is called).
203 input_processor (void *cls,
204 enum GNUNET_STREAM_Status status,
205 const void *input_data,
208 struct PeerData *peer;
210 peer = (struct PeerData *) cls;
212 GNUNET_assert (GNUNET_STERAM_OK == status);
213 GNUNET_assert (size < strlen (data));
214 GNUNET_assert (strncmp ((const char *) data + peer->bytes_read,
215 (const char *) input_data,
217 peer->bytes_read += size;
219 if (peer->bytes_read < strlen (data))
221 peer->io_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *)
223 GNUNET_TIME_relative_multiply
224 (GNUNET_TIME_UNIT_SECONDS, 5),
227 GNUNET_assert (NULL != peer->io_handle);
231 if (&peer2 == peer) /* Peer2 has completed reading; should write */
233 peer->bytes_wrote = 0;
234 peer->io_handle = GNUNET_STREAM_write ((struct GNUNET_STREAM_Socket *)
238 GNUNET_TIME_relative_multiply
239 (GNUNET_TIME_UNIT_SECONDS, 5),
243 else /* Peer1 has completed reading. End of tests */
245 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
253 * Scheduler call back; to be executed when a new stream is connected
254 * Called from listen connect for peer2
257 stream_read (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
259 read_task = GNUNET_SCHEDULER_NO_TASK;
260 GNUNET_assert (NULL != cls);
261 peer2.bytes_read = 0;
262 GNUNET_STREAM_listen_close (peer2_listen_socket); /* Close listen socket */
263 peer2.io_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) cls,
264 GNUNET_TIME_relative_multiply
265 (GNUNET_TIME_UNIT_SECONDS, 5),
268 GNUNET_assert (NULL != peer2.io_handle);
273 * Functions of this type are called upon new stream connection from other peers
275 * @param cls the closure from GNUNET_STREAM_listen
276 * @param socket the socket representing the stream
277 * @param initiator the identity of the peer who wants to establish a stream
279 * @return GNUNET_OK to keep the socket open, GNUNET_SYSERR to close the
280 * stream (the socket will be invalid after the call)
283 stream_listen_cb (void *cls,
284 struct GNUNET_STREAM_Socket *socket,
285 const struct GNUNET_PeerIdentity *initiator)
287 GNUNET_assert (NULL != socket);
288 GNUNET_assert (NULL == initiator); /* Local peer=NULL? */
289 GNUNET_assert (socket != peer1.socket);
291 peer2.socket = socket;
292 read_task = GNUNET_SCHEDULER_add_now (&stream_read, (void *) socket);
301 test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
303 test_task = GNUNET_SCHEDULER_NO_TASK;
305 /* Connect to stream library */
306 peer1.socket = GNUNET_STREAM_open (NULL, /* Null for local peer? */
310 GNUNET_assert (NULL != peer1.socket);
311 peer2_listen_socket = GNUNET_STREAM_listen (10 /* App port */
314 GNUNET_assert (NULL != peer2_listen_socket);
319 * Initialize framework and start test
322 run (void *cls, char *const *args, const char *cfgfile,
323 const struct GNUNET_CONFIGURATION_Handle *cfg)
325 GNUNET_log_setup ("test_stream_local",
333 GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
334 "gnunet-service-arm",
338 "-c", "test_stream_local.conf", NULL);
341 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
342 (GNUNET_TIME_UNIT_SECONDS, 20), &do_abort,
345 test_task = GNUNET_SCHEDULER_add_now (&test, (void *) cfg);
352 int main (int argc, char **argv)
356 char *const argv2[] = { "test-stream-local",
357 "-c", "test_stream.conf",
364 struct GNUNET_GETOPT_CommandLineOption options[] = {
365 GNUNET_GETOPT_OPTION_END
369 GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
370 "test-stream-local", "nohelp", options, &run, NULL);
372 if (GNUNET_OK != ret)
374 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "run failed with error code %d\n",
378 if (GNUNET_SYSERR == result)
380 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "test failed\n");
383 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test ok\n");