2 This file is part of GNUnet.
3 (C) 2009, 2010 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.
21 * @file transport/gnunet-transport-connect-running-peers.c
22 * @brief utility to connect running peers
24 * This utility connects to running peers with each other
25 * The peers have to be started before, for example in the debugger with
29 #include "gnunet_common.h"
30 #include "gnunet_hello_lib.h"
31 #include "gnunet_getopt_lib.h"
32 #include "gnunet_os_lib.h"
33 #include "gnunet_program_lib.h"
34 #include "gnunet_scheduler_lib.h"
35 #include "gnunet_transport_service.h"
36 #include "transport.h"
37 #include "transport-testing.h"
39 #define VERBOSE GNUNET_NO
41 #define VERBOSE_ARM GNUNET_NO
43 #define START_ARM GNUNET_YES
46 * How long until we give up on transmitting the message?
48 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
51 * How long until we give up on transmitting the message?
53 #define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
59 static GNUNET_SCHEDULER_TaskIdentifier die_task;
61 static GNUNET_SCHEDULER_TaskIdentifier send_task;
63 struct PeerContext *p1;
65 struct PeerContext *p2;
67 static GNUNET_TRANSPORT_TESTING_ConnectRequest cc;
69 struct GNUNET_TRANSPORT_TransmitHandle *th;
76 #define OKPP do { ok++; FPRINTF (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
78 #define OKPP do { ok++; } while (0)
82 disconnect_from_peer (struct PeerContext *p)
84 GNUNET_assert (p != NULL);
86 GNUNET_TRANSPORT_disconnect (p->th);
89 GNUNET_CONFIGURATION_destroy (p->cfg);
95 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
97 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
99 if (send_task != GNUNET_SCHEDULER_NO_TASK)
100 GNUNET_SCHEDULER_cancel (send_task);
102 if (die_task != GNUNET_SCHEDULER_NO_TASK)
103 GNUNET_SCHEDULER_cancel (die_task);
106 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
110 disconnect_from_peer (p1);
112 disconnect_from_peer (p2);
116 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
118 die_task = GNUNET_SCHEDULER_NO_TASK;
120 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
122 if (send_task != GNUNET_SCHEDULER_NO_TASK)
123 GNUNET_SCHEDULER_cancel (send_task);
126 GNUNET_TRANSPORT_TESTING_connect_peers_cancel (cc);
129 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
133 disconnect_from_peer (p1);
135 disconnect_from_peer (p2);
142 notify_ready (void *cls, size_t size, void *buf)
144 struct PeerContext *p = cls;
145 struct GNUNET_MessageHeader *hdr;
149 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
150 "Transmitting message with %u bytes to peer %s\n",
151 sizeof (struct GNUNET_MessageHeader), GNUNET_i2s (&p->id));
152 GNUNET_assert (size >= 256);
157 hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
158 hdr->type = htons (MTYPE);
161 return sizeof (struct GNUNET_MessageHeader);
165 sendtask (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
167 send_task = GNUNET_SCHEDULER_NO_TASK;
170 if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
173 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
174 "Press <q> to quit or <1> to send from p1 to p2, <2> to send from p2 to p1, <enter> repeat\n");
180 th = GNUNET_TRANSPORT_notify_transmit_ready (p1->th, &p2->id, 256, 0,
181 TIMEOUT, ¬ify_ready, p1);
186 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, 256, 0,
187 TIMEOUT, ¬ify_ready, p2);
192 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Exiting %c!\n", t);
193 GNUNET_SCHEDULER_add_now (&end, NULL);
200 notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
201 const struct GNUNET_MessageHeader *message,
202 const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
204 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
205 "Received message of type %d from peer %s!\n",
206 ntohs (message->type), GNUNET_i2s (peer));
208 if ((MTYPE == ntohs (message->type)) &&
209 (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size)))
211 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully received message\n");
213 send_task = GNUNET_SCHEDULER_add_now (&sendtask, NULL);
218 notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
219 const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
221 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' connected to us (%p)!\n",
222 GNUNET_i2s (peer), cls);
227 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
229 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' disconnected (%p)!\n",
230 GNUNET_i2s (peer), cls);
237 connect_to_peer (const char *cfgname, GNUNET_TRANSPORT_ReceiveCallback rec,
238 GNUNET_TRANSPORT_NotifyConnect nc,
239 GNUNET_TRANSPORT_NotifyDisconnect nd, void *cb_cls)
241 if (GNUNET_DISK_file_test (cfgname) == GNUNET_NO)
243 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "File not found: `%s' \n", cfgname);
247 struct PeerContext *p = GNUNET_malloc (sizeof (struct PeerContext));
249 p->cfg = GNUNET_CONFIGURATION_create ();
251 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
252 if (GNUNET_CONFIGURATION_have_value (p->cfg, "PATHS", "SERVICEHOME"))
253 GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME",
255 if (NULL != p->servicehome)
256 GNUNET_DISK_directory_remove (p->servicehome);
259 * GNUNET_OS_start_process (GNUNET_YES, NULL, NULL, "gnunet-service-arm",
260 * "gnunet-service-arm", "-c", cfgname,
276 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting to transport service `%s'\n",
279 GNUNET_TRANSPORT_connect (p->cfg, NULL, p, ¬ify_receive,
280 ¬ify_connect, ¬ify_disconnect);
281 GNUNET_assert (p->th != NULL);
286 testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
289 char *p1_c = GNUNET_strdup (GNUNET_i2s (&p1->id));
291 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peers connected: %s <-> %s\n", p1_c,
292 GNUNET_i2s (&p2->id));
295 // FIXME: THIS IS REQUIRED! SEEMS TO BE A BUG!
298 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &sendtask, NULL);
302 run (void *cls, char *const *args, const char *cfgfile,
303 const struct GNUNET_CONFIGURATION_Handle *cfg)
305 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
307 p1 = connect_to_peer (cfg_file_p1, ¬ify_receive, ¬ify_connect,
308 ¬ify_disconnect, NULL);
309 p2 = connect_to_peer (cfg_file_p2, ¬ify_receive, ¬ify_connect,
310 ¬ify_disconnect, NULL);
312 if ((p1 == NULL) || (p2 == NULL))
314 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
315 if (die_task != GNUNET_SCHEDULER_NO_TASK)
316 GNUNET_SCHEDULER_cancel (die_task);
317 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
321 cc = GNUNET_TRANSPORT_TESTING_connect_peers (p1, p2, &testing_connect_cb,
330 static char *const argv[] = { "test-transport-api",
332 "test_transport_api_data.conf",
338 static struct GNUNET_GETOPT_CommandLineOption options[] = {
339 GNUNET_GETOPT_OPTION_END
343 setTransportOptions ("test_transport_api_data.conf");
345 send_task = GNUNET_SCHEDULER_NO_TASK;
348 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
349 "util_connect_running_peers", "nohelp", options, &run,
356 main (int argc, char *argv[])
360 GNUNET_log_setup ("gnunet-transport-connect-running-peers",
372 "usage gnunet-transport-connect-running-peers <cfg_peer1> <cfg_peer2>\n");
377 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Configuration file 1: `%s' \n",
379 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Configuration file 2: `%s'\n",
383 if (GNUNET_DISK_file_test (argv[1]) == GNUNET_NO)
385 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "File not found: `%s' \n", argv[1]);
388 if (GNUNET_DISK_file_test (argv[2]) == GNUNET_NO)
390 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "File not found: `%s' \n", argv[2]);
394 GNUNET_asprintf (&cfg_file_p1, argv[1]);
395 GNUNET_asprintf (&cfg_file_p2, argv[2]);
397 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
398 "Trying to connect peers, press control-d to stop... \n",
403 GNUNET_free (cfg_file_p1);
404 GNUNET_free (cfg_file_p2);
408 /* end of gnunet-transport-connect-running-peers.c */