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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_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 GNUNET_STREAM_close (peer1.socket);
94 if (NULL != peer2.socket)
95 GNUNET_STREAM_close (peer2.socket);
96 if (NULL != peer2_listen_socket)
97 GNUNET_STREAM_listen_close (peer2_listen_socket); /* Close listen socket */
98 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: shutdown\n");
99 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
100 GNUNET_SCHEDULER_cancel (abort_task);
101 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Wait\n");
102 GNUNET_SCHEDULER_shutdown ();
107 * Something went wrong and timed out. Kill everything and set error flag
110 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
112 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: ABORT\n");
113 if (GNUNET_SCHEDULER_NO_TASK != read_task)
114 GNUNET_SCHEDULER_cancel (read_task);
115 result = GNUNET_SYSERR;
116 abort_task = GNUNET_SCHEDULER_NO_TASK;
117 do_shutdown (cls, tc);
122 * The write completion function; called upon writing some data to stream or
125 * @param cls the closure from GNUNET_STREAM_write/read
126 * @param status the status of the stream at the time this function is called
127 * @param size the number of bytes read or written
130 write_completion (void *cls,
131 enum GNUNET_STREAM_Status status,
134 struct PeerData *peer;
136 peer = (struct PeerData *) cls;
137 GNUNET_assert (GNUNET_STREAM_OK == status);
138 GNUNET_assert (size <= DATA_SIZE);
139 peer->bytes_wrote += size;
141 if (peer->bytes_wrote < DATA_SIZE) /* Have more data to send */
143 peer->io_write_handle =
144 GNUNET_STREAM_write (peer->socket,
145 ((void *) data) + peer->bytes_wrote,
146 sizeof (data) - peer->bytes_wrote,
147 GNUNET_TIME_relative_multiply
148 (GNUNET_TIME_UNIT_SECONDS, 5),
151 GNUNET_assert (NULL != peer->io_write_handle);
155 LOG (GNUNET_ERROR_TYPE_DEBUG, "Writing successfully finished\n");
157 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
163 * Task for calling STREAM_write with a chunk of random data
165 * @param cls the peer data entity
166 * @param tc the task context
169 stream_write_task (void *cls,
170 const struct GNUNET_SCHEDULER_TaskContext *tc)
172 struct PeerData *peer=cls;
175 write_task = GNUNET_SCHEDULER_NO_TASK;
176 for (count=0; count < DATA_SIZE / 4; count++)
178 data[count]=GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
181 LOG (GNUNET_ERROR_TYPE_DEBUG, "Generation of random data complete\n");
182 peer->io_write_handle = GNUNET_STREAM_write (peer->socket,
185 GNUNET_TIME_relative_multiply
186 (GNUNET_TIME_UNIT_SECONDS, 10),
189 GNUNET_assert (NULL != peer->io_write_handle);
194 * Function executed after stream has been established
196 * @param cls the closure from GNUNET_STREAM_open
197 * @param socket socket to use to communicate with the other side (read/write)
200 stream_open_cb (void *cls,
201 struct GNUNET_STREAM_Socket *socket)
203 struct PeerData *peer;
205 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stream established from peer1\n");
206 peer = (struct PeerData *) cls;
207 peer->bytes_wrote = 0;
208 GNUNET_assert (socket == peer1.socket);
209 GNUNET_assert (socket == peer->socket);
210 write_task = GNUNET_SCHEDULER_add_now (&stream_write_task, peer);
215 * Scheduler call back; to be executed when a new stream is connected
216 * Called from listen connect for peer2
219 stream_read_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
226 * @param status the status of the stream at the time this function is called
227 * @param data traffic from the other side
228 * @param size the number of bytes available in data read
229 * @return number of bytes of processed from 'data' (any data remaining should be
230 * given to the next time the read processor is called).
233 input_processor (void *cls,
234 enum GNUNET_STREAM_Status status,
235 const void *input_data,
238 struct PeerData *peer = cls;
240 GNUNET_assert (GNUNET_STREAM_OK == status);
241 GNUNET_assert (&peer2 == peer);
242 GNUNET_assert (size < DATA_SIZE);
243 GNUNET_assert (0 == memcmp (((void *)data ) + peer->bytes_read,
245 peer->bytes_read += size;
247 if (peer->bytes_read < DATA_SIZE)
249 GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == read_task);
250 read_task = GNUNET_SCHEDULER_add_now (&stream_read_task, &peer2);
251 /* peer->io_read_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) */
253 /* GNUNET_TIME_relative_multiply */
254 /* (GNUNET_TIME_UNIT_SECONDS, 5), */
255 /* &input_processor, */
257 /* GNUNET_assert (NULL != peer->io_read_handle); */
261 /* Peer2 has completed reading*/
262 LOG (GNUNET_ERROR_TYPE_DEBUG, "Reading finished successfully\n");
269 * Scheduler call back; to be executed when a new stream is connected
270 * Called from listen connect for peer2
273 stream_read_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
275 struct PeerData *peer = cls;
277 read_task = GNUNET_SCHEDULER_NO_TASK;
278 GNUNET_assert (&peer2 == peer);
279 peer->io_read_handle =
280 GNUNET_STREAM_read (peer->socket,
281 GNUNET_TIME_relative_multiply
282 (GNUNET_TIME_UNIT_SECONDS, 10),
285 GNUNET_assert (NULL != peer->io_read_handle);
290 * Functions of this type are called upon new stream connection from other peers
292 * @param cls the closure from GNUNET_STREAM_listen
293 * @param socket the socket representing the stream
294 * @param initiator the identity of the peer who wants to establish a stream
296 * @return GNUNET_OK to keep the socket open, GNUNET_SYSERR to close the
297 * stream (the socket will be invalid after the call)
300 stream_listen_cb (void *cls,
301 struct GNUNET_STREAM_Socket *socket,
302 const struct GNUNET_PeerIdentity *initiator)
304 GNUNET_assert (NULL != socket);
305 GNUNET_assert (socket != peer1.socket);
307 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
308 "Peer connected: %s\n", GNUNET_i2s(initiator));
310 peer2.socket = socket;
311 peer2.bytes_read = 0;
312 read_task = GNUNET_SCHEDULER_add_now (&stream_read_task, &peer2);
318 * Listen success callback; connects a peer to stream as client
321 stream_connect (void)
323 struct PeerData *peer = &peer1;
325 /* Connect to stream */
326 peer->socket = GNUNET_STREAM_open (config,
327 &peer2.self, /* Null for local peer? */
329 &stream_open_cb, &peer1,
330 GNUNET_STREAM_OPTION_MAX_PAYLOAD_SIZE, 500,
331 GNUNET_STREAM_OPTION_END);
332 GNUNET_assert (NULL != peer->socket);
337 * Initialize framework and start test
340 * @param cfg configuration of the peer that was started
341 * @param peer identity of the peer that was created
345 const struct GNUNET_CONFIGURATION_Handle *cfg,
346 struct GNUNET_TESTING_Peer *peer)
348 struct GNUNET_PeerIdentity self;
350 GNUNET_TESTING_peer_get_identity (peer, &self);
352 peer2_listen_socket =
353 GNUNET_STREAM_listen (config,
357 GNUNET_STREAM_OPTION_SIGNAL_LISTEN_SUCCESS,
359 GNUNET_STREAM_OPTION_END);
360 GNUNET_assert (NULL != peer2_listen_socket);
364 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
365 (GNUNET_TIME_UNIT_SECONDS, 60), &do_abort,
372 int main (int argc, char **argv)
374 if (0 != GNUNET_TESTING_peer_run ("test_stream_big",
375 "test_stream_local.conf",
378 return (GNUNET_SYSERR == result) ? 1 : 0;
381 /* end of test_stream_big.c */