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3 (C) 2012 Christian Grothoff (and other contributing authors)
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21 * @file cadet/cadet_test_lib.c
22 * @author Bartlomiej Polot
23 * @brief library for writing CADET tests
26 #include "gnunet_util_lib.h"
27 #include "cadet_test_lib.h"
28 #include "gnunet_cadet_service.h"
31 * Test context for a CADET Test.
33 struct GNUNET_CADET_TEST_Context
36 * Array of running peers.
38 struct GNUNET_TESTBED_Peer **peers;
41 * Array of handles to the CADET for each peer.
43 struct GNUNET_CADET_Handle **cadetes;
46 * Operation associated with the connection to the CADET.
48 struct GNUNET_TESTBED_Operation **ops;
51 * Main function of the test to run once all CADETs are available.
53 GNUNET_CADET_TEST_AppMain app_main;
56 * Closure for 'app_main'.
61 * Number of peers running, size of the arrays above.
63 unsigned int num_peers;
66 * Handler for incoming tunnels.
68 GNUNET_CADET_InboundChannelNotificationHandler *new_channel;
71 * Cleaner for destroyed incoming tunnels.
73 GNUNET_CADET_ChannelEndHandler *cleaner;
78 struct GNUNET_CADET_MessageHandler* handlers;
83 const uint32_t *ports;
89 * Context for a cadet adapter callback.
91 struct GNUNET_CADET_TEST_AdapterContext
94 * Peer number for the particular peer.
101 struct GNUNET_CADET_TEST_Context *ctx;
106 * Adapter function called to establish a connection to
110 * @param cfg configuration of the peer to connect to; will be available until
111 * GNUNET_TESTBED_operation_done() is called on the operation returned
112 * from GNUNET_TESTBED_service_connect()
113 * @return service handle to return in 'op_result', NULL on error
116 cadet_connect_adapter (void *cls,
117 const struct GNUNET_CONFIGURATION_Handle *cfg)
119 struct GNUNET_CADET_TEST_AdapterContext *actx = cls;
120 struct GNUNET_CADET_TEST_Context *ctx = actx->ctx;
121 struct GNUNET_CADET_Handle *h;
123 h = GNUNET_CADET_connect (cfg,
124 (void *) (long) actx->peer,
134 * Adapter function called to destroy a connection to
138 * @param op_result service handle returned from the connect adapter
141 cadet_disconnect_adapter (void *cls,
144 struct GNUNET_CADET_Handle *cadet = op_result;
145 struct GNUNET_CADET_TEST_AdapterContext *actx = cls;
148 GNUNET_CADET_disconnect (cadet);
153 * Callback to be called when a service connect operation is completed.
155 * @param cls The callback closure from functions generating an operation.
156 * @param op The operation that has been finished.
157 * @param ca_result The service handle returned from
158 * GNUNET_TESTBED_ConnectAdapter() (cadet handle).
159 * @param emsg Error message in case the operation has failed.
160 * NULL if operation has executed successfully.
163 cadet_connect_cb (void *cls,
164 struct GNUNET_TESTBED_Operation *op,
168 struct GNUNET_CADET_TEST_Context *ctx = cls;
173 fprintf (stderr, "Failed to connect to CADET service: %s\n",
175 GNUNET_SCHEDULER_shutdown ();
178 for (i = 0; i < ctx->num_peers; i++)
179 if (op == ctx->ops[i])
181 ctx->cadetes[i] = ca_result;
182 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "...cadet %u connected\n", i);
184 for (i = 0; i < ctx->num_peers; i++)
185 if (NULL == ctx->cadetes[i])
186 return; /* still some CADET connections missing */
187 /* all CADET connections ready! */
188 ctx->app_main (ctx->app_main_cls,
197 GNUNET_CADET_TEST_cleanup (struct GNUNET_CADET_TEST_Context *ctx)
201 for (i = 0; i < ctx->num_peers; i++)
203 GNUNET_assert (NULL != ctx->ops[i]);
204 GNUNET_TESTBED_operation_done (ctx->ops[i]);
207 GNUNET_free (ctx->ops);
208 GNUNET_free (ctx->cadetes);
210 GNUNET_SCHEDULER_shutdown ();
215 * Callback run when the testbed is ready (peers running and connected to
218 * @param cls Closure (context).
219 * @param h the run handle
220 * @param num_peers Number of peers that are running.
221 * @param peers Handles to each one of the @c num_peers peers.
222 * @param links_succeeded the number of overlay link connection attempts that
224 * @param links_failed the number of overlay link connection attempts that
228 cadet_test_run (void *cls,
229 struct GNUNET_TESTBED_RunHandle *h,
230 unsigned int num_peers,
231 struct GNUNET_TESTBED_Peer **peers,
232 unsigned int links_succeeded,
233 unsigned int links_failed)
235 struct GNUNET_CADET_TEST_Context *ctx = cls;
238 if (num_peers != ctx->num_peers)
240 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peers started %u/%u, ending\n",
241 num_peers, ctx->num_peers);
245 for (i = 0; i < num_peers; i++)
247 struct GNUNET_CADET_TEST_AdapterContext *newctx;
248 newctx = GNUNET_new (struct GNUNET_CADET_TEST_AdapterContext);
251 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Connecting to cadet %u\n", i);
252 ctx->ops[i] = GNUNET_TESTBED_service_connect (ctx,
257 &cadet_connect_adapter,
258 &cadet_disconnect_adapter,
260 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "op handle %p\n", ctx->ops[i]);
266 GNUNET_CADET_TEST_run (const char *testname,
268 unsigned int num_peers,
269 GNUNET_CADET_TEST_AppMain tmain,
271 GNUNET_CADET_InboundChannelNotificationHandler new_channel,
272 GNUNET_CADET_ChannelEndHandler cleaner,
273 struct GNUNET_CADET_MessageHandler* handlers,
274 const uint32_t *ports)
276 struct GNUNET_CADET_TEST_Context *ctx;
278 ctx = GNUNET_new (struct GNUNET_CADET_TEST_Context);
279 ctx->num_peers = num_peers;
280 ctx->ops = GNUNET_malloc (num_peers * sizeof (struct GNUNET_TESTBED_Operation *));
281 ctx->cadetes = GNUNET_malloc (num_peers * sizeof (struct GNUNET_CADET_Handle *));
282 ctx->app_main = tmain;
283 ctx->app_main_cls = tmain_cls;
284 ctx->new_channel = new_channel;
285 ctx->cleaner = cleaner;
286 ctx->handlers = handlers;
288 GNUNET_TESTBED_test_run (testname,
292 &cadet_test_run, ctx);
295 /* end of cadet_test_lib.c */