/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009, 2012 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file nse/test_nse_multipeer.c
- *
* @brief Testcase for the network size estimation service. Starts
* a peergroup with a given number of peers, then waits to
* receive size estimates from each peer. Expects to wait
* for one message from each peer.
*/
#include "platform.h"
-#include "gnunet_testing_lib.h"
+#include "gnunet_testbed_service.h"
#include "gnunet_nse_service.h"
-#define VERBOSE GNUNET_NO
+/**
+ * How many peers do we start?
+ */
#define NUM_PEERS 4
-struct NSEPeer
-{
- struct NSEPeer *prev;
-
- struct NSEPeer *next;
+/**
+ * How long do we run the test?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
- struct GNUNET_TESTING_Daemon *daemon;
+/**
+ * Information we track for each peer.
+ */
+struct NSEPeer
+{
+ /**
+ * Handle for NSE connect operation.
+ */
+ struct GNUNET_TESTBED_Operation *op;
+
+ /**
+ * Handle to NSE service.
+ */
struct GNUNET_NSE_Handle *nse_handle;
};
-struct NSEPeer *peer_head;
-
-struct NSEPeer *peer_tail;
/**
- * How long do we run the test?
+ * Information for all the peers.
*/
-#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 2)
+static struct NSEPeer nse_peers[NUM_PEERS];
+/**
+ * Return value from 'main'.
+ */
static int ok;
-static int peers_left;
-
-static unsigned int num_peers;
-
-static unsigned int total_connections;
-
-static struct GNUNET_TESTING_PeerGroup *pg;
/**
- * Check whether peers successfully shut down.
+ * Task run on timeout to shut everything down.
*/
static void
-shutdown_callback (void *cls, const char *emsg)
-{
- if (emsg != NULL)
- {
-#if VERBOSE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Shutdown of peers failed: %s!\n",
- emsg);
-#endif
- if (ok == 0)
- ok = 666;
- }
- else
- {
-#if VERBOSE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "All peers successfully shut down!\n");
-#endif
- ok = 0;
- }
-}
-
-static void
-shutdown_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+shutdown_task (void *cls)
{
- struct NSEPeer *pos;
-#if VERBOSE
- fprintf(stderr, "Ending test.\n");
-#endif
-
- while (NULL != (pos = peer_head))
- {
- GNUNET_NSE_disconnect(pos->nse_handle);
- GNUNET_CONTAINER_DLL_remove(peer_head, peer_tail, pos);
- GNUNET_free(pos);
- }
+ unsigned int i;
- GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
+ for (i=0;i<NUM_PEERS;i++)
+ GNUNET_TESTBED_operation_done (nse_peers[i].op);
+ GNUNET_SCHEDULER_shutdown ();
}
+
/**
* Callback to call when network size estimate is updated.
*
* @param cls closure
+ * @param timestamp server timestamp
* @param estimate the value of the current network size estimate
* @param std_dev standard deviation (rounded down to nearest integer)
* of the size estimation values seen
*
*/
static void
-handle_estimate (void *cls, double estimate, double std_dev)
+handle_estimate (void *cls, struct GNUNET_TIME_Absolute timestamp,
+ double estimate, double std_dev)
{
struct NSEPeer *peer = cls;
- fprintf (stderr,
- "Received network size estimate from peer %s. logSize: %f std.dev. %f (%f/%u)\n",
- GNUNET_i2s(&peer->daemon->id),
- estimate,
- std_dev,
- GNUNET_NSE_log_estimate_to_n (estimate),
- num_peers);
+ FPRINTF (stderr,
+ "Received network size estimate from peer %u. logSize: %f std.dev. %f (%f/%u)\n",
+ (unsigned int) (peer - nse_peers),
+ estimate, std_dev,
+ GNUNET_NSE_log_estimate_to_n (estimate),
+ NUM_PEERS);
+ ok = 0;
}
+/**
+ * Callback to be called when NSE service connect operation is completed
+ *
+ * @param cls the callback closure from functions generating an operation
+ * @param op the operation that has been finished
+ * @param ca_result the NSE service handle returned from nse_connect_adapter
+ * @param emsg error message in case the operation has failed; will be NULL if
+ * operation has executed successfully.
+ */
static void
-connect_nse_service (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+nse_connect_complete_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ void *ca_result,
+ const char *emsg)
{
- struct NSEPeer *current_peer;
- unsigned int i;
-#if VERBOSE
- fprintf(stderr, "TEST_NSE_MULTIPEER: connecting to nse service of peers\n");
-#endif
- for (i = 0; i < num_peers; i++)
- {
- current_peer = GNUNET_malloc(sizeof(struct NSEPeer));
- current_peer->daemon = GNUNET_TESTING_daemon_get(pg, i);
- current_peer->nse_handle = GNUNET_NSE_connect (current_peer->daemon->cfg,
- &handle_estimate,
- current_peer);
- GNUNET_assert(current_peer->nse_handle != NULL);
- GNUNET_CONTAINER_DLL_insert (peer_head, peer_tail, current_peer);
- }
-}
-
+ struct NSEPeer *peer = cls;
+ struct GNUNET_NSE_Handle *nse = ca_result;
-static void
-my_cb (void *cls,
- const char *emsg)
-{
- if (emsg != NULL)
+ GNUNET_assert (op == peer->op);
+ if (NULL != emsg)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Peergroup callback called with error, aborting test!\n");
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Error from testing: `%s'\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to NSE service: %s\n",
+ emsg);
ok = 1;
- GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
+ GNUNET_SCHEDULER_shutdown ();
return;
}
-#if VERBOSE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Peer Group started successfully, connecting to NSE service for each peer!\n");
-#endif
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Have %u connections\n", total_connections);
-
- GNUNET_SCHEDULER_add_now(&connect_nse_service, NULL);
+ peer->nse_handle = nse;
}
/**
- * Function that will be called whenever
- * two daemons are connected by the testing library.
+ * Adapter function called to establish a connection to
+ * the NSE service.
*
* @param cls closure
- * @param first peer id for first daemon
- * @param second peer id for the second daemon
- * @param distance distance between the connected peers
- * @param first_cfg config for the first daemon
- * @param second_cfg config for the second daemon
- * @param first_daemon handle for the first daemon
- * @param second_daemon handle for the second daemon
- * @param emsg error message (NULL on success)
+ * @param cfg configuration of the peer to connect to; will be available until
+ * GNUNET_TESTBED_operation_done() is called on the operation returned
+ * from GNUNET_TESTBED_service_connect()
+ * @return service handle to return in 'op_result', NULL on error
*/
-static void
-connect_cb (void *cls,
- const struct GNUNET_PeerIdentity *first,
- const struct GNUNET_PeerIdentity *second,
- uint32_t distance,
- const struct GNUNET_CONFIGURATION_Handle *first_cfg,
- const struct GNUNET_CONFIGURATION_Handle *second_cfg,
- struct GNUNET_TESTING_Daemon *first_daemon,
- struct GNUNET_TESTING_Daemon *second_daemon,
- const char *emsg)
+static void *
+nse_connect_adapter (void *cls,
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
{
- char *second_id;
-
- second_id = GNUNET_strdup(GNUNET_i2s(second));
- if (emsg == NULL)
- {
- //fprintf(stderr, "Connected %s -> %s\n", GNUNET_i2s(first), second_id);
- total_connections++;
- }
+ return GNUNET_NSE_connect (cfg,
+ &handle_estimate,
+ cls);
}
-
+/**
+ * Adapter function called to destroy connection to
+ * NSE service.
+ *
+ * @param cls closure
+ * @param op_result service handle returned from the connect adapter
+ */
static void
-run (void *cls,
- char *const *args,
- const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
+nse_disconnect_adapter (void *cls,
+ void *op_result)
{
- struct GNUNET_CONFIGURATION_Handle *testing_cfg;
- unsigned long long total_peers;
-
- ok = 1;
- testing_cfg = GNUNET_CONFIGURATION_create();
- GNUNET_assert(GNUNET_OK == GNUNET_CONFIGURATION_load(testing_cfg, cfgfile));
-
-#if VERBOSE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting daemons.\n");
- GNUNET_CONFIGURATION_set_value_string (testing_cfg,
- "testing",
- "use_progressbars",
- "YES");
-#endif
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (testing_cfg,
- "testing",
- "num_peers",
- &total_peers))
- total_peers = NUM_PEERS;
-
- peers_left = total_peers;
- num_peers = peers_left;
- pg = GNUNET_TESTING_peergroup_start(testing_cfg,
- peers_left,
- TIMEOUT,
- &connect_cb,
- &my_cb, NULL,
- NULL);
- GNUNET_assert (pg != NULL);
- GNUNET_SCHEDULER_add_delayed (TIMEOUT, &shutdown_task, NULL);
+ GNUNET_NSE_disconnect (op_result);
}
-static int
-check ()
+/**
+ * Actual "main" function for the testcase.
+ *
+ * @param cls closure
+ * @param h the run handle
+ * @param num_peers number of peers in 'peers'
+ * @param peers handle to peers run in the testbed
+ * @param links_succeeded the number of overlay link connection attempts that
+ * succeeded
+ * @param links_failed the number of overlay link connection attempts that
+ * failed
+ */
+static void
+run (void *cls,
+ struct GNUNET_TESTBED_RunHandle *h,
+ unsigned int num_peers,
+ struct GNUNET_TESTBED_Peer **peers,
+ unsigned int links_succeeded,
+ unsigned int links_failed)
{
- char *const argv[] = { "test-nse-multipeer",
- "-c",
- "test_nse.conf",
-#if VERBOSE
- "-L", "DEBUG",
-#endif
- NULL
- };
- struct GNUNET_GETOPT_CommandLineOption options[] = {
- GNUNET_GETOPT_OPTION_END
- };
- GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
- argv, "test-nse-multipeer", "nohelp",
- options, &run, &ok);
- return ok;
+ unsigned int i;
+
+ GNUNET_assert (NUM_PEERS == num_peers);
+ for (i=0;i<num_peers;i++)
+ nse_peers[i].op = GNUNET_TESTBED_service_connect (&nse_peers[i],
+ peers[i],
+ "nse",
+ &nse_connect_complete_cb,
+ &nse_peers[i],
+ &nse_connect_adapter,
+ &nse_disconnect_adapter,
+ &nse_peers[i]);
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT,
+ &shutdown_task, NULL);
}
+
+/**
+ * Entry point for the testcase, sets up the testbed.
+ *
+ * @param argc unused
+ * @param argv unused
+ * @return 0 on success
+ */
int
main (int argc, char *argv[])
{
- int ret;
-
- GNUNET_log_setup ("test-nse-multipeer",
-#if VERBOSE
- "DEBUG",
-#else
- "WARNING",
-#endif
- NULL);
- ret = check ();
- GNUNET_DISK_directory_remove ("/tmp/test-nse-multipeer");
- return ret;
+ ok = 1;
+ (void) GNUNET_TESTBED_test_run ("test-nse-multipeer",
+ "test_nse.conf",
+ NUM_PEERS,
+ 0, NULL, NULL,
+ &run, NULL);
+ return ok;
}
/* end of test_nse_multipeer.c */