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3 (C) 2011, 2012 Christian Grothoff (and other contributing authors)
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13 General Public License for more details.
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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"
33 #include "gnunet_testing_lib.h"
43 * Structure for holding peer's sockets and IO Handles
48 * Peer's stream socket
50 struct GNUNET_STREAM_Socket *socket;
53 * Peer's io write handle
55 struct GNUNET_STREAM_IOWriteHandle *io_write_handle;
58 * Peer's io read handle
60 struct GNUNET_STREAM_IOReadHandle *io_read_handle;
65 struct GNUNET_PeerIdentity our_id;
68 * Bytes the peer has written
70 unsigned int bytes_wrote;
73 * Byte the peer has read
75 unsigned int bytes_read;
79 * The current peer group
81 static struct GNUNET_TESTING_PeerGroup *pg;
86 static struct GNUNET_TESTING_Daemon *d1;
91 static struct GNUNET_TESTING_Daemon *d2;
93 static struct PeerData peer1;
94 static struct PeerData peer2;
95 static struct GNUNET_STREAM_ListenSocket *peer2_listen_socket;
96 static struct GNUNET_CONFIGURATION_Handle *config;
98 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
99 static GNUNET_SCHEDULER_TaskIdentifier read_task;
101 static char *data = "ABCD";
106 * Check whether peers successfully shut down.
109 shutdown_callback (void *cls, const char *emsg)
113 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
114 "Shutdown of peers failed!\n");
118 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
119 "All peers successfully shut down!\n");
121 GNUNET_CONFIGURATION_destroy (config);
129 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
131 if (NULL != peer1.socket)
132 GNUNET_STREAM_close (peer1.socket);
133 if (NULL != peer2.socket)
134 GNUNET_STREAM_close (peer2.socket);
135 if (NULL != peer2_listen_socket)
136 GNUNET_STREAM_listen_close (peer2_listen_socket);
138 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: shutdown\n");
141 GNUNET_SCHEDULER_cancel (abort_task);
144 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Wait\n");
146 GNUNET_TESTING_daemons_stop (pg,
147 GNUNET_TIME_relative_multiply
148 (GNUNET_TIME_UNIT_SECONDS, 5),
155 * Something went wrong and timed out. Kill everything and set error flag
158 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
160 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: ABORT\n");
163 GNUNET_SCHEDULER_cancel (read_task);
165 result = GNUNET_SYSERR;
167 do_shutdown (cls, tc);
171 * Signature for input processor
173 * @param cls the closure from GNUNET_STREAM_write/read
174 * @param status the status of the stream at the time this function is called
175 * @param data traffic from the other side
176 * @param size the number of bytes available in data read
177 * @return number of bytes of processed from 'data' (any data remaining should be
178 * given to the next time the read processor is called).
181 input_processor (void *cls,
182 enum GNUNET_STREAM_Status status,
183 const void *input_data,
188 * The write completion function; called upon writing some data to stream or
191 * @param cls the closure from GNUNET_STREAM_write/read
192 * @param status the status of the stream at the time this function is called
193 * @param size the number of bytes read or written
196 write_completion (void *cls,
197 enum GNUNET_STREAM_Status status,
200 struct PeerData *peer;
202 peer = (struct PeerData *) cls;
203 GNUNET_assert (GNUNET_STREAM_OK == status);
204 GNUNET_assert (size <= strlen (data));
205 peer->bytes_wrote += size;
207 if (peer->bytes_wrote < strlen(data)) /* Have more data to send */
209 peer->io_write_handle =
210 GNUNET_STREAM_write (peer->socket,
212 strlen(data) - peer->bytes_wrote,
213 GNUNET_TIME_relative_multiply
214 (GNUNET_TIME_UNIT_SECONDS, 5),
217 GNUNET_assert (NULL != peer->io_write_handle);
221 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
222 "Writing completed\n");
224 if (&peer1 == peer) /* Peer1 has finished writing; should read now */
226 peer->io_read_handle =
227 GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *)
229 GNUNET_TIME_relative_multiply
230 (GNUNET_TIME_UNIT_SECONDS, 5),
233 GNUNET_assert (NULL!=peer->io_read_handle);
240 * Function executed after stream has been established
242 * @param cls the closure from GNUNET_STREAM_open
243 * @param socket socket to use to communicate with the other side (read/write)
246 stream_open_cb (void *cls,
247 struct GNUNET_STREAM_Socket *socket)
249 struct PeerData *peer;
251 GNUNET_assert (socket == peer1.socket);
252 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
253 "%s: Stream established from peer1\n",
254 GNUNET_i2s (&peer1.our_id));
255 peer = (struct PeerData *) cls;
256 peer->bytes_wrote = 0;
257 GNUNET_assert (socket == peer1.socket);
258 GNUNET_assert (socket == peer->socket);
259 peer->io_write_handle = GNUNET_STREAM_write (peer->socket, /* socket */
260 (void *) data, /* data */
262 GNUNET_TIME_relative_multiply
263 (GNUNET_TIME_UNIT_SECONDS, 5),
266 GNUNET_assert (NULL != peer->io_write_handle);
273 * @param cls the closure from GNUNET_STREAM_write/read
274 * @param status the status of the stream at the time this function is called
275 * @param data traffic from the other side
276 * @param size the number of bytes available in data read
277 * @return number of bytes of processed from 'data' (any data remaining should be
278 * given to the next time the read processor is called).
281 input_processor (void *cls,
282 enum GNUNET_STREAM_Status status,
283 const void *input_data,
286 struct PeerData *peer;
288 peer = (struct PeerData *) cls;
290 if (GNUNET_STREAM_TIMEOUT == status)
292 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
293 "Read operation timedout - reading again!\n");
294 GNUNET_assert (0 == size);
295 peer->io_read_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *)
297 GNUNET_TIME_relative_multiply
298 (GNUNET_TIME_UNIT_SECONDS, 5),
301 GNUNET_assert (NULL != peer->io_read_handle);
305 GNUNET_assert (GNUNET_STREAM_OK == status);
306 GNUNET_assert (size <= strlen (data));
307 GNUNET_assert (0 == strncmp ((const char *) data + peer->bytes_read,
308 (const char *) input_data,
310 peer->bytes_read += size;
312 if (peer->bytes_read < strlen (data))
314 peer->io_read_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *)
316 GNUNET_TIME_relative_multiply
317 (GNUNET_TIME_UNIT_SECONDS, 5),
320 GNUNET_assert (NULL != peer->io_read_handle);
324 if (&peer2 == peer) /* Peer2 has completed reading; should write */
326 peer->bytes_wrote = 0;
327 peer->io_write_handle =
328 GNUNET_STREAM_write (peer->socket,
331 GNUNET_TIME_relative_multiply
332 (GNUNET_TIME_UNIT_SECONDS, 5),
336 else /* Peer1 has completed reading. End of tests */
338 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
346 * Scheduler call back; to be executed when a new stream is connected
347 * Called from listen connect for peer2
350 stream_read (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
352 read_task = GNUNET_SCHEDULER_NO_TASK;
353 GNUNET_assert (NULL != cls);
354 peer2.bytes_read = 0;
355 peer2.io_read_handle =
356 GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) cls,
357 GNUNET_TIME_relative_multiply
358 (GNUNET_TIME_UNIT_SECONDS, 5),
361 GNUNET_assert (NULL != peer2.io_read_handle);
366 * Functions of this type are called upon new stream connection from other peers
368 * @param cls the closure from GNUNET_STREAM_listen
369 * @param socket the socket representing the stream
370 * @param initiator the identity of the peer who wants to establish a stream
372 * @return GNUNET_OK to keep the socket open, GNUNET_SYSERR to close the
373 * stream (the socket will be invalid after the call)
376 stream_listen_cb (void *cls,
377 struct GNUNET_STREAM_Socket *socket,
378 const struct GNUNET_PeerIdentity *initiator)
380 GNUNET_assert (NULL != socket);
381 GNUNET_assert (NULL != initiator);
382 GNUNET_assert (socket != peer1.socket);
384 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
385 "%s: Peer connected: %s\n",
386 GNUNET_i2s (&peer2.our_id),
387 GNUNET_i2s(initiator));
389 peer2.socket = socket;
390 /* FIXME: reading should be done right now instead of a scheduled call */
391 read_task = GNUNET_SCHEDULER_add_now (&stream_read, (void *) socket);
397 * Callback to be called when testing peer group is ready
400 * @param emsg NULL on success
403 peergroup_ready (void *cls, const char *emsg)
407 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
408 "Starting peer group failed: %s\n", emsg);
411 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
412 "Peer group is now ready\n");
414 GNUNET_assert (2 == GNUNET_TESTING_daemons_running (pg));
416 d1 = GNUNET_TESTING_daemon_get (pg, 0);
417 GNUNET_assert (NULL != d1);
419 d2 = GNUNET_TESTING_daemon_get (pg, 1);
420 GNUNET_assert (NULL != d2);
422 GNUNET_TESTING_get_peer_identity (d1->cfg,
424 GNUNET_TESTING_get_peer_identity (d2->cfg,
426 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
428 GNUNET_i2s (&peer1.our_id),
429 GNUNET_i2s (&d1->id));
430 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
432 GNUNET_i2s (&peer2.our_id),
433 GNUNET_i2s (&d2->id));
435 peer2_listen_socket = GNUNET_STREAM_listen (d2->cfg,
439 GNUNET_assert (NULL != peer2_listen_socket);
441 /* Connect to stream library */
442 peer1.socket = GNUNET_STREAM_open (d1->cfg,
443 &d2->id, /* Null for local peer? */
447 GNUNET_assert (NULL != peer1.socket);
452 * Initialize framework and start test
455 run (void *cls, char *const *args, const char *cfgfile,
456 const struct GNUNET_CONFIGURATION_Handle *cfg)
458 struct GNUNET_TESTING_Host *hosts; /* FIXME: free hosts (DLL) */
460 /* GNUNET_log_setup ("test_stream_local", */
464 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
466 /* Duplicate the configuration */
467 config = GNUNET_CONFIGURATION_dup (cfg);
469 hosts = GNUNET_TESTING_hosts_load (config);
471 pg = GNUNET_TESTING_peergroup_start (config,
473 GNUNET_TIME_relative_multiply
474 (GNUNET_TIME_UNIT_SECONDS, 3),
479 GNUNET_assert (NULL != pg);
482 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
483 (GNUNET_TIME_UNIT_SECONDS, 40), &do_abort,
490 int main (int argc, char **argv)
494 char *argv2[] = { "test-stream-local",
496 "-c", "test_stream_local.conf",
499 struct GNUNET_GETOPT_CommandLineOption options[] = {
500 GNUNET_GETOPT_OPTION_END
504 GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
505 "test-stream-local", "nohelp", options, &run, NULL);
507 if (GNUNET_OK != ret)
509 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "run failed with error code %d\n",
513 if (GNUNET_SYSERR == result)
515 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "test failed\n");
518 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "test ok\n");