2 This file is part of GNUnet.
3 (C) 2009, 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
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 rps/test_rps_multipeer.c
22 * @brief Testcase for the random peer sampling service. Starts
23 * a peergroup with a given number of peers, then waits to
24 * receive size pushes/pulls from each peer. Expects to wait
25 * for one message from each peer.
28 #include "gnunet_testbed_service.h"
29 #include "gnunet_rps_service.h"
34 * How many peers do we start?
39 * How long do we run the test?
41 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
45 * Information we track for each peer.
50 * Handle for RPS connect operation.
52 struct GNUNET_TESTBED_Operation *op;
55 * Handle to RPS service.
57 struct GNUNET_RPS_Handle *rps_handle;
62 * Information for all the peers.
64 static struct RPSPeer rps_peers[NUM_PEERS];
67 * Return value from 'main'.
73 * Task run on timeout to shut everything down.
76 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
80 for (i=0;i<NUM_PEERS;i++)
81 GNUNET_TESTBED_operation_done (rps_peers[i].op);
82 GNUNET_SCHEDULER_shutdown ();
87 * Callback to call when network size estimate is updated.
90 * @param timestamp server timestamp
91 * @param estimate the value of the current network size estimate
92 * @param std_dev standard deviation (rounded down to nearest integer)
93 * of the size estimation values seen
97 handle_reply (void *cls, uint64_t n, struct GNUNET_PeerIdentity *peers)
99 //struct RPSPeer *peer = cls;
102 // "Received network size estimate from peer %u. logSize: %f std.dev. %f (%f/%u)\n",
103 // (unsigned int) (peer - rps_peers),
104 // estimate, std_dev,
105 // GNUNET_NSE_log_estimate_to_n (estimate),
108 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got peer %s\n", GNUNET_i2s(peers));
115 * Callback to be called when RPS service connect operation is completed
117 * @param cls the callback closure from functions generating an operation
118 * @param op the operation that has been finished
119 * @param ca_result the RPS service handle returned from rps_connect_adapter
120 * @param emsg error message in case the operation has failed; will be NULL if
121 * operation has executed successfully.
124 rps_connect_complete_cb (void *cls,
125 struct GNUNET_TESTBED_Operation *op,
129 struct RPSPeer *peer = cls;
130 struct GNUNET_RPS_Handle *rps = ca_result;
132 GNUNET_assert (op == peer->op);
135 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
136 "Failed to connect to RPS service: %s\n",
139 GNUNET_SCHEDULER_shutdown ();
142 peer->rps_handle = rps;
144 GNUNET_RPS_request_peers(rps, 1, handle_reply, NULL);
145 GNUNET_RPS_request_peers(rps, 1, handle_reply, NULL);
147 //GNUNET_RPS_request_peers(rps, 1, handle_reply, NULL);
149 //GNUNET_RPS_request_peers(rps, 1, handle_reply, NULL);
151 //GNUNET_RPS_request_peers(rps, 1, handle_reply, NULL);
156 * Adapter function called to establish a connection to
160 * @param cfg configuration of the peer to connect to; will be available until
161 * GNUNET_TESTBED_operation_done() is called on the operation returned
162 * from GNUNET_TESTBED_service_connect()
163 * @return service handle to return in 'op_result', NULL on error
166 rps_connect_adapter (void *cls,
167 const struct GNUNET_CONFIGURATION_Handle *cfg)
169 return GNUNET_RPS_connect (cfg);
174 * Adapter function called to destroy connection to
178 * @param op_result service handle returned from the connect adapter
181 rps_disconnect_adapter (void *cls,
184 struct GNUNET_RPS_Handle *h = op_result;
185 GNUNET_RPS_disconnect (h);
190 * Actual "main" function for the testcase.
193 * @param h the run handle
194 * @param num_peers number of peers in 'peers'
195 * @param peers handle to peers run in the testbed
196 * @param links_succeeded the number of overlay link connection attempts that
198 * @param links_failed the number of overlay link connection attempts that
203 struct GNUNET_TESTBED_RunHandle *h,
204 unsigned int num_peers,
205 struct GNUNET_TESTBED_Peer **peers,
206 unsigned int links_succeeded,
207 unsigned int links_failed)
211 GNUNET_assert (NUM_PEERS == num_peers);
212 for (i=0;i<num_peers;i++)
213 rps_peers[i].op = GNUNET_TESTBED_service_connect (&rps_peers[i],
216 &rps_connect_complete_cb,
218 &rps_connect_adapter,
219 &rps_disconnect_adapter,
221 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &shutdown_task, NULL);
226 * Entry point for the testcase, sets up the testbed.
230 * @return 0 on success
233 main (int argc, char *argv[])
236 (void) GNUNET_TESTBED_test_run ("test-rps-multipeer",
244 /* end of test_rps_multipeer.c */