2 This file is part of GNUnet.
3 (C) 2011, 2012 Christian Grothoff (and other contributing authors)
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7 by the Free Software Foundation; either version 3, or (at your
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
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22 * @file stream/test_stream_big.c
23 * @brief large data transfer using stream API between local peers
24 * @author Sree Harsha Totakura
30 #include "gnunet_util_lib.h"
31 #include "gnunet_stream_lib.h"
32 #include "gnunet_testing_lib-new.h"
34 #define LOG(kind, ...) \
35 GNUNET_log (kind, __VA_ARGS__);
37 #define TIME_REL_SECS(sec) \
38 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, sec)
42 * Structure for holding peer's sockets and IO Handles
47 * Peer's stream socket
49 struct GNUNET_STREAM_Socket *socket;
51 struct GNUNET_PeerIdentity self;
54 * Peer's io write handle
56 struct GNUNET_STREAM_IOWriteHandle *io_write_handle;
59 * Peer's io read handle
61 struct GNUNET_STREAM_IOReadHandle *io_read_handle;
64 * Bytes the peer has written
66 unsigned int bytes_wrote;
69 * Byte the peer has read
71 unsigned int bytes_read;
74 static struct PeerData peer1;
75 static struct PeerData peer2;
76 static struct GNUNET_STREAM_ListenSocket *peer2_listen_socket;
77 static const struct GNUNET_CONFIGURATION_Handle *config;
79 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
80 static GNUNET_SCHEDULER_TaskIdentifier read_task;
81 static GNUNET_SCHEDULER_TaskIdentifier write_task;
83 #define DATA_SIZE 65536 /* 64KB */
84 static uint32_t data[DATA_SIZE / 4]; /* 64KB array */
91 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
93 if (NULL != peer1.socket)
94 GNUNET_STREAM_close (peer1.socket);
95 if (NULL != peer2.socket)
96 GNUNET_STREAM_close (peer2.socket);
97 if (NULL != peer2_listen_socket)
98 GNUNET_STREAM_listen_close (peer2_listen_socket); /* Close listen socket */
99 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: shutdown\n");
100 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
101 GNUNET_SCHEDULER_cancel (abort_task);
102 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Wait\n");
103 GNUNET_SCHEDULER_shutdown ();
108 * Something went wrong and timed out. Kill everything and set error flag
111 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
113 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: ABORT\n");
114 if (GNUNET_SCHEDULER_NO_TASK != read_task)
115 GNUNET_SCHEDULER_cancel (read_task);
116 result = GNUNET_SYSERR;
117 abort_task = GNUNET_SCHEDULER_NO_TASK;
118 do_shutdown (cls, tc);
123 * The write completion function; called upon writing some data to stream or
126 * @param cls the closure from GNUNET_STREAM_write/read
127 * @param status the status of the stream at the time this function is called
128 * @param size the number of bytes read or written
131 write_completion (void *cls,
132 enum GNUNET_STREAM_Status status,
135 struct PeerData *peer;
137 peer = (struct PeerData *) cls;
138 GNUNET_assert (GNUNET_STREAM_OK == status);
139 GNUNET_assert (size <= DATA_SIZE);
140 peer->bytes_wrote += size;
142 if (peer->bytes_wrote < DATA_SIZE) /* Have more data to send */
144 peer->io_write_handle =
145 GNUNET_STREAM_write (peer->socket,
146 ((void *) data) + peer->bytes_wrote,
147 sizeof (data) - peer->bytes_wrote,
148 GNUNET_TIME_relative_multiply
149 (GNUNET_TIME_UNIT_SECONDS, 5),
152 GNUNET_assert (NULL != peer->io_write_handle);
156 LOG (GNUNET_ERROR_TYPE_DEBUG, "Writing successfully finished\n");
158 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
164 * Task for calling STREAM_write with a chunk of random data
166 * @param cls the peer data entity
167 * @param tc the task context
170 stream_write_task (void *cls,
171 const struct GNUNET_SCHEDULER_TaskContext *tc)
173 struct PeerData *peer=cls;
176 write_task = GNUNET_SCHEDULER_NO_TASK;
177 for (count=0; count < DATA_SIZE / 4; count++)
179 data[count]=GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
182 LOG (GNUNET_ERROR_TYPE_DEBUG, "Generation of random data complete\n");
183 peer->io_write_handle = GNUNET_STREAM_write (peer->socket,
186 GNUNET_TIME_relative_multiply
187 (GNUNET_TIME_UNIT_SECONDS, 10),
190 GNUNET_assert (NULL != peer->io_write_handle);
195 * Function executed after stream has been established
197 * @param cls the closure from GNUNET_STREAM_open
198 * @param socket socket to use to communicate with the other side (read/write)
201 stream_open_cb (void *cls,
202 struct GNUNET_STREAM_Socket *socket)
204 struct PeerData *peer;
206 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stream established from peer1\n");
207 peer = (struct PeerData *) cls;
208 peer->bytes_wrote = 0;
209 GNUNET_assert (socket == peer1.socket);
210 GNUNET_assert (socket == peer->socket);
211 write_task = GNUNET_SCHEDULER_add_now (&stream_write_task, peer);
216 * Scheduler call back; to be executed when a new stream is connected
217 * Called from listen connect for peer2
220 stream_read_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
227 * @param status the status of the stream at the time this function is called
228 * @param data traffic from the other side
229 * @param size the number of bytes available in data read
230 * @return number of bytes of processed from 'data' (any data remaining should be
231 * given to the next time the read processor is called).
234 input_processor (void *cls,
235 enum GNUNET_STREAM_Status status,
236 const void *input_data,
239 struct PeerData *peer = cls;
241 GNUNET_assert (GNUNET_STREAM_OK == status);
242 GNUNET_assert (&peer2 == peer);
243 GNUNET_assert (size < DATA_SIZE);
244 GNUNET_assert (0 == memcmp (((void *)data ) + peer->bytes_read,
246 peer->bytes_read += size;
248 if (peer->bytes_read < DATA_SIZE)
250 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == read_task);
251 read_task = GNUNET_SCHEDULER_add_now (&stream_read_task, &peer2);
252 /* peer->io_read_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) */
254 /* GNUNET_TIME_relative_multiply */
255 /* (GNUNET_TIME_UNIT_SECONDS, 5), */
256 /* &input_processor, */
258 /* GNUNET_assert (NULL != peer->io_read_handle); */
262 /* Peer2 has completed reading*/
263 LOG (GNUNET_ERROR_TYPE_DEBUG, "Reading finished successfully\n");
270 * Scheduler call back; to be executed when a new stream is connected
271 * Called from listen connect for peer2
274 stream_read_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
276 struct PeerData *peer = cls;
278 read_task = GNUNET_SCHEDULER_NO_TASK;
279 GNUNET_assert (&peer2 == peer);
280 peer->io_read_handle =
281 GNUNET_STREAM_read (peer->socket,
282 GNUNET_TIME_relative_multiply
283 (GNUNET_TIME_UNIT_SECONDS, 10),
286 GNUNET_assert (NULL != peer->io_read_handle);
291 * Functions of this type are called upon new stream connection from other peers
293 * @param cls the closure from GNUNET_STREAM_listen
294 * @param socket the socket representing the stream
295 * @param initiator the identity of the peer who wants to establish a stream
297 * @return GNUNET_OK to keep the socket open, GNUNET_SYSERR to close the
298 * stream (the socket will be invalid after the call)
301 stream_listen_cb (void *cls,
302 struct GNUNET_STREAM_Socket *socket,
303 const struct GNUNET_PeerIdentity *initiator)
305 GNUNET_assert (NULL != socket);
306 GNUNET_assert (socket != peer1.socket);
308 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
309 "Peer connected: %s\n", GNUNET_i2s(initiator));
311 peer2.socket = socket;
312 peer2.bytes_read = 0;
313 read_task = GNUNET_SCHEDULER_add_now (&stream_read_task, &peer2);
319 * Listen success callback; connects a peer to stream as client
322 stream_connect (void)
324 struct PeerData *peer = &peer1;
326 /* Connect to stream */
327 peer->socket = GNUNET_STREAM_open (config,
328 &peer2.self, /* Null for local peer? */
330 &stream_open_cb, &peer1,
331 GNUNET_STREAM_OPTION_MAX_PAYLOAD_SIZE, 500,
332 GNUNET_STREAM_OPTION_END);
333 GNUNET_assert (NULL != peer->socket);
338 * Initialize framework and start test
341 * @param cfg configuration of the peer that was started
342 * @param peer identity of the peer that was created
346 const struct GNUNET_CONFIGURATION_Handle *cfg,
347 struct GNUNET_TESTING_Peer *peer)
349 struct GNUNET_PeerIdentity self;
351 GNUNET_TESTING_peer_get_identity (peer, &self);
353 peer2_listen_socket =
354 GNUNET_STREAM_listen (config,
358 GNUNET_STREAM_OPTION_SIGNAL_LISTEN_SUCCESS,
360 GNUNET_STREAM_OPTION_END);
361 GNUNET_assert (NULL != peer2_listen_socket);
365 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
366 (GNUNET_TIME_UNIT_SECONDS, 60), &do_abort,
373 int main (int argc, char **argv)
375 if (0 != GNUNET_TESTING_peer_run ("test_stream_big",
376 "test_stream_local.conf",
379 return (GNUNET_SYSERR == result) ? 1 : 0;
382 /* end of test_stream_big.c */