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- /*
- * This file is part of GNUnet
- * Copyright (C) 2013 GNUnet e.V.
- *
- * GNUnet is free software: you can redistribute it and/or modify it
- * under the terms of the GNU Affero General Public License as published
- * by the Free Software Foundation, either version 3 of the License,
- * or (at your option) any later version.
- *
- * GNUnet is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
-
- SPDX-License-Identifier: AGPL3.0-or-later
- */
-
- /**
- * @file multicast/test_multicast.c
- * @brief Tests for the Multicast API.
- * @author Gabor X Toth
- */
-
- #include <inttypes.h>
-
- #include <gnunet/platform.h>
- #include <gnunet/gnunet_crypto_lib.h>
- #include <gnunet/gnunet_common.h>
- #include <gnunet/gnunet_util_lib.h>
- #include <gnunet/gnunet_testing_lib.h>
- #include "gnunet_multicast_service.h"
-
- #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
-
- /**
- * Return value from 'main'.
- */
- static int res;
-
- /**
- * Handle for task for timeout termination.
- */
- static struct GNUNET_SCHEDULER_Task * end_badly_task;
-
- static const struct GNUNET_CONFIGURATION_Handle *cfg;
-
- struct GNUNET_PeerIdentity this_peer;
-
- struct GNUNET_MULTICAST_Origin *origin;
- struct GNUNET_MULTICAST_Member *member;
-
- struct GNUNET_CRYPTO_EddsaPrivateKey *group_key;
- struct GNUNET_CRYPTO_EddsaPublicKey group_pub_key;
-
- struct GNUNET_CRYPTO_EcdsaPrivateKey *member_key;
- struct GNUNET_CRYPTO_EcdsaPublicKey member_pub_key;
-
- struct TransmitClosure {
- struct GNUNET_MULTICAST_OriginTransmitHandle *orig_tmit;
- struct GNUNET_MULTICAST_MemberTransmitHandle *mem_tmit;
- char * data[16];
- uint8_t data_delay[16];
- uint8_t data_count;
- uint8_t paused;
- uint8_t n;
- } tmit_cls;
-
- struct OriginClosure {
- uint8_t msgs_expected;
- uint8_t n;
- } origin_cls;
-
- struct MemberClosure {
- uint8_t msgs_expected;
- size_t n;
- } member_cls;
-
- struct GNUNET_MessageHeader *join_req, *join_resp;
-
- enum
- {
- TEST_NONE = 0,
- TEST_ORIGIN_START = 1,
- TEST_MEMBER_JOIN_REFUSE = 2,
- TEST_MEMBER_JOIN_ADMIT = 3,
- TEST_ORIGIN_TO_ALL = 4,
- TEST_ORIGIN_TO_ALL_RECV = 5,
- TEST_MEMBER_TO_ORIGIN = 6,
- TEST_MEMBER_REPLAY_ERROR = 7,
- TEST_MEMBER_REPLAY_OK = 8,
- TEST_MEMBER_PART = 9,
- TEST_ORIGIN_STOP = 10,
- } test;
-
- uint64_t replay_fragment_id;
- uint64_t replay_flags;
-
- static void
- member_join (int t);
-
-
- /**
- * Clean up all resources used.
- */
- static void
- cleanup ()
- {
- if (NULL != member)
- {
- GNUNET_MULTICAST_member_part (member, NULL, NULL);
- member = NULL;
- }
- if (NULL != origin)
- {
- GNUNET_MULTICAST_origin_stop (origin, NULL, NULL);
- origin = NULL;
- }
- }
-
-
- /**
- * Terminate the test case (failure).
- *
- * @param cls NULL
- */
- static void
- end_badly (void *cls)
- {
- res = 1;
- cleanup ();
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Test FAILED.\n");
- }
-
-
- /**
- * Terminate the test case (success).
- *
- * @param cls NULL
- */
- static void
- end_normally (void *cls)
- {
- res = 0;
- cleanup ();
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test PASSED.\n");
- }
-
-
- /**
- * Finish the test case (successfully).
- */
- static void
- end ()
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Ending tests.\n");
-
- if (end_badly_task != NULL)
- {
- GNUNET_SCHEDULER_cancel (end_badly_task);
- end_badly_task = NULL;
- }
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MILLISECONDS,
- &end_normally, NULL);
- }
-
-
- static void
- tmit_resume (void *cls)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Transmission resumed.\n");
- struct TransmitClosure *tmit = cls;
- if (NULL != tmit->orig_tmit)
- GNUNET_MULTICAST_origin_to_all_resume (tmit->orig_tmit);
- else if (NULL != tmit->mem_tmit)
- GNUNET_MULTICAST_member_to_origin_resume (tmit->mem_tmit);
- }
-
-
- static int
- tmit_notify (void *cls, size_t *data_size, void *data)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Test #%u: origin_tmit_notify()\n", test);
- struct TransmitClosure *tmit = cls;
-
- if (0 == tmit->data_count)
- {
- *data_size = 0;
- return GNUNET_YES;
- }
-
- uint16_t size = strlen (tmit->data[tmit->n]);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transmit notify data: %u bytes available, processing fragment %u/%u (size %u).\n",
- (unsigned int) *data_size,
- tmit->n + 1,
- tmit->data_count,
- size);
- if (*data_size < size)
- {
- *data_size = 0;
- GNUNET_assert (0);
- return GNUNET_SYSERR;
- }
-
- if (GNUNET_YES != tmit->paused && 0 < tmit->data_delay[tmit->n])
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Transmission paused.\n");
- tmit->paused = GNUNET_YES;
- GNUNET_SCHEDULER_add_delayed (
- GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
- tmit->data_delay[tmit->n]),
- tmit_resume, tmit);
- *data_size = 0;
- return GNUNET_NO;
- }
- tmit->paused = GNUNET_NO;
-
- *data_size = size;
- GNUNET_memcpy (data, tmit->data[tmit->n], size);
-
- return ++tmit->n < tmit->data_count ? GNUNET_NO : GNUNET_YES;
- }
-
-
- static void
- member_recv_join_request (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *member_key,
- const struct GNUNET_MessageHeader *join_msg,
- struct GNUNET_MULTICAST_JoinHandle *jh)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_recv_join_request()\n", test);
- }
-
-
- static void
- origin_stopped (void *cls)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: origin_stopped()\n", test);
- end ();
- }
-
-
- static void
- schedule_origin_stop (void *cls)
- {
- test = TEST_ORIGIN_STOP;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: origin_stop()\n", test);
- GNUNET_MULTICAST_origin_stop (origin, origin_stopped, NULL);
- origin = NULL;
- }
-
-
- static void
- member_parted (void *cls)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_parted()\n", test);
- member = NULL;
-
- switch (test)
- {
- case TEST_MEMBER_JOIN_REFUSE:
- // Test 3 starts here
- member_join (TEST_MEMBER_JOIN_ADMIT);
- break;
-
- case TEST_MEMBER_PART:
- GNUNET_SCHEDULER_add_now (&schedule_origin_stop, NULL);
- break;
-
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Invalid test #%d in member_parted()\n", test);
- GNUNET_assert (0);
- }
- }
-
-
- static void
- schedule_member_part (void *cls)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: schedule_member_part()\n", test);
- GNUNET_MULTICAST_member_part (member, member_parted, NULL);
- }
-
-
- static void
- member_part ()
- {
- test = TEST_MEMBER_PART;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_part()\n", test);
- // Test 10 starts here
- GNUNET_SCHEDULER_add_now (&schedule_member_part, NULL);
- }
-
-
- static void
- member_replay_ok ()
- {
- // Execution of test 8 here
- test = TEST_MEMBER_REPLAY_OK;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_replay_ok()\n", test);
- replay_fragment_id = 1;
- replay_flags = 1 | 1<<11;
- GNUNET_MULTICAST_member_replay_fragment (member, replay_fragment_id,
- replay_flags);
- }
-
-
- static void
- member_replay_error ()
- {
- test = TEST_MEMBER_REPLAY_ERROR;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_replay_error()\n", test);
- replay_fragment_id = 1234;
- replay_flags = 11 | 1<<11;
- GNUNET_MULTICAST_member_replay_fragment (member, replay_fragment_id,
- replay_flags);
- }
-
-
- static void
- origin_recv_replay_msg (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *member_key,
- uint64_t message_id,
- uint64_t fragment_offset,
- uint64_t flags,
- struct GNUNET_MULTICAST_ReplayHandle *rh)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: origin_recv_replay_msg()\n", test);
- GNUNET_assert (0);
- }
-
-
- static void
- member_recv_replay_msg (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *member_key,
- uint64_t message_id,
- uint64_t fragment_offset,
- uint64_t flags,
- struct GNUNET_MULTICAST_ReplayHandle *rh)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_recv_replay_msg()\n", test);
- GNUNET_assert (0);
- }
-
-
- static void
- origin_recv_replay_frag (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *member_key,
- uint64_t fragment_id,
- uint64_t flags,
- struct GNUNET_MULTICAST_ReplayHandle *rh)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: origin_recv_replay_frag()"
- " - fragment_id=%" PRIu64 " flags=%" PRIu64 "\n",
- test, fragment_id, flags);
- GNUNET_assert (replay_fragment_id == fragment_id && replay_flags == flags);
- switch (test)
- {
- case TEST_MEMBER_REPLAY_ERROR:
- // Test 8 starts here
- GNUNET_MULTICAST_replay_response (rh, NULL, GNUNET_SYSERR);
- member_replay_ok ();
- break;
-
- case TEST_MEMBER_REPLAY_OK:
- {
- struct GNUNET_MULTICAST_MessageHeader mmsg = {
- .header = {
- .type = htons (GNUNET_MESSAGE_TYPE_MULTICAST_MESSAGE),
- .size = htons (sizeof (mmsg)),
- },
- .fragment_id = GNUNET_htonll (1),
- .message_id = GNUNET_htonll (1),
- .fragment_offset = 0,
- .group_generation = GNUNET_htonll (1),
- .flags = 0,
- };
- member_cls.n = 0;
- member_cls.msgs_expected = 1;
- GNUNET_MULTICAST_replay_response (rh, &mmsg.header, GNUNET_MULTICAST_REC_OK);
- GNUNET_MULTICAST_replay_response_end (rh);
- break;
- }
-
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Invalid test #%d in origin_recv_replay_frag()\n", test);
- GNUNET_assert (0);
- }
- }
-
-
- static void
- member_recv_replay_frag (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *member_key,
- uint64_t fragment_id,
- uint64_t flags,
- struct GNUNET_MULTICAST_ReplayHandle *rh)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_recv_replay_frag()\n", test);
- GNUNET_assert (0);
- }
-
-
- static void
- origin_recv_request (void *cls,
- const struct GNUNET_MULTICAST_RequestHeader *req)
- {
- struct OriginClosure *ocls = cls;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: origin_recv_request()\n", test);
- if (++ocls->n != ocls->msgs_expected)
- return;
-
- GNUNET_assert (0 == memcmp (&req->member_pub_key,
- &member_pub_key, sizeof (member_pub_key)));
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Test #%u: verify message content, take first 3 bytes: %.3s\n",
- test, (char *)&req[1]);
- GNUNET_assert (0 == memcmp (&req[1], "abc", 3));
-
- // Test 7 starts here
- member_replay_error ();
- }
-
-
- static void
- member_to_origin ()
- {
- test = TEST_MEMBER_TO_ORIGIN;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_to_origin()\n", test);
-
- struct TransmitClosure *tmit = &tmit_cls;
- *tmit = (struct TransmitClosure) {};
- tmit->data[0] = "abc def";
- tmit->data[1] = "ghi jkl mno";
- tmit->data_delay[1] = 2;
- tmit->data[2] = "pqr stuw xyz";
- tmit->data_count = 3;
-
- origin_cls.n = 0;
- origin_cls.msgs_expected = 1;
-
- tmit->mem_tmit = GNUNET_MULTICAST_member_to_origin (member, 1,
- tmit_notify, tmit);
- }
-
-
- static void
- member_recv_message (void *cls,
- const struct GNUNET_MULTICAST_MessageHeader *msg)
- {
- struct MemberClosure *mcls = cls;
-
- // Test 5 starts here after message has been received from origin
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Test #%u: member_recv_message() %u/%u\n",
- test,
- (unsigned int) (mcls->n + 1),
- mcls->msgs_expected);
- if (++mcls->n != mcls->msgs_expected)
- return;
-
- // FIXME: check message content
-
- switch (test)
- {
- case TEST_ORIGIN_TO_ALL:
- test = TEST_ORIGIN_TO_ALL_RECV;
- break;
-
- case TEST_ORIGIN_TO_ALL_RECV:
- // Test 6 starts here
- member_to_origin ();
- break;
-
- case TEST_MEMBER_REPLAY_OK:
- // Test 9 starts here
- GNUNET_assert (replay_fragment_id == GNUNET_ntohll (msg->fragment_id));
- member_part ();
- break;
-
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Invalid test #%d in origin_recv_message()\n", test);
- GNUNET_assert (0);
- }
- }
-
-
- static void
- origin_recv_message (void *cls,
- const struct GNUNET_MULTICAST_MessageHeader *msg)
- {
- struct OriginClosure *ocls = cls;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: origin_recv_message() %u/%u\n",
- test, ocls->n + 1, ocls->msgs_expected);
- if (++ocls->n != ocls->msgs_expected)
- return;
-
- // FIXME: check message content
-
- switch (test)
- {
- case TEST_ORIGIN_TO_ALL:
- // Prepare to execute test 5
- test = TEST_ORIGIN_TO_ALL_RECV;
- break;
-
- case TEST_ORIGIN_TO_ALL_RECV:
- // Test 6 starts here
- member_to_origin ();
- break;
-
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Invalid test #%d in origin_recv_message()\n", test);
- GNUNET_assert (0);
- }
- }
-
-
- static void
- origin_to_all ()
- {
- test = TEST_ORIGIN_TO_ALL;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: origin_to_all()\n", test);
-
- struct TransmitClosure *tmit = &tmit_cls;
- *tmit = (struct TransmitClosure) {};
- tmit->data[0] = "ABC DEF";
- tmit->data[1] = GNUNET_malloc (GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD + 1);
- uint16_t i;
- for (i = 0; i < GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD; i++)
- tmit->data[1][i] = (0 == i % 10000) ? '0' + i / 10000 : '_';
- tmit->data[2] = "GHI JKL MNO";
- tmit->data_delay[2] = 2;
- tmit->data[3] = "PQR STUW XYZ";
- tmit->data_count = 4;
-
- origin_cls.n = member_cls.n = 0;
- origin_cls.msgs_expected = member_cls.msgs_expected = tmit->data_count;
-
- tmit->orig_tmit = GNUNET_MULTICAST_origin_to_all (origin, 1, 1,
- tmit_notify, tmit);
- }
-
-
- static void
- member_recv_join_decision (void *cls,
- int is_admitted,
- const struct GNUNET_PeerIdentity *peer,
- uint16_t relay_count,
- const struct GNUNET_PeerIdentity *relays,
- const struct GNUNET_MessageHeader *join_msg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_recv_join_decision() - is_admitted: %d\n",
- test, is_admitted);
-
- GNUNET_assert (join_msg->size == join_resp->size);
- GNUNET_assert (join_msg->type == join_resp->type);
- GNUNET_assert (0 == memcmp (join_msg, join_resp, ntohs (join_resp->size)));
-
- switch (test)
- {
- case TEST_MEMBER_JOIN_REFUSE:
- GNUNET_assert (0 == relay_count);
- // Test 3 starts here
- GNUNET_SCHEDULER_add_now (&schedule_member_part, NULL);
- break;
-
- case TEST_MEMBER_JOIN_ADMIT:
- GNUNET_assert (1 == relay_count);
- GNUNET_assert (0 == memcmp (relays, &this_peer, sizeof (this_peer)));
- // Test 4 starts here
- origin_to_all ();
- break;
-
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Invalid test #%d in member_recv_join_decision()\n", test);
- GNUNET_assert (0);
- }
- }
-
- /**
- * Test: origin receives join request
- */
- static void
- origin_recv_join_request (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *mem_key,
- const struct GNUNET_MessageHeader *join_msg,
- struct GNUNET_MULTICAST_JoinHandle *jh)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: origin_recv_join_request()\n", test);
-
- GNUNET_assert (0 == memcmp (mem_key, &member_pub_key, sizeof (member_pub_key)));
- GNUNET_assert (join_msg->size == join_req->size);
- GNUNET_assert (join_msg->type == join_req->type);
- GNUNET_assert (0 == memcmp (join_msg, join_req, ntohs (join_req->size)));
-
- char data[] = "here's the decision";
- uint8_t data_size = strlen (data) + 1;
- join_resp = GNUNET_malloc (sizeof (join_resp) + data_size);
- join_resp->size = htons (sizeof (join_resp) + data_size);
- join_resp->type = htons (456);
- GNUNET_memcpy (&join_resp[1], data, data_size);
-
- switch (test)
- {
- case TEST_MEMBER_JOIN_REFUSE:
- // Test 3 starts here
- GNUNET_MULTICAST_join_decision (jh, GNUNET_NO, 0, NULL, join_resp);
- break;
-
- case TEST_MEMBER_JOIN_ADMIT:
- // Test 3 is running
- GNUNET_MULTICAST_join_decision (jh, GNUNET_YES, 1, &this_peer, join_resp);
- break;
-
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Invalid test #%d in origin_recv_join_request()\n", test);
- GNUNET_assert (0);
- break;
- }
- }
-
- /**
- * Test: member joins multicast group
- */
- static void
- member_join (int t)
- {
- test = t;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: member_join()\n", test);
-
- member_key = GNUNET_CRYPTO_ecdsa_key_create ();
- GNUNET_CRYPTO_ecdsa_key_get_public (member_key, &member_pub_key);
-
- if (NULL != join_req)
- GNUNET_free (join_req);
-
- char data[] = "let me in!";
- uint8_t data_size = strlen (data) + 1;
- join_req = GNUNET_malloc (sizeof (join_req) + data_size);
- join_req->size = htons (sizeof (join_req) + data_size);
- join_req->type = htons (123);
- GNUNET_memcpy (&join_req[1], data, data_size);
-
- member = GNUNET_MULTICAST_member_join (cfg, &group_pub_key, member_key,
- &this_peer, 1, &this_peer, join_req,
- member_recv_join_request,
- member_recv_join_decision,
- member_recv_replay_frag,
- member_recv_replay_msg,
- member_recv_message,
- &member_cls);
- }
-
- /**
- * Test: Start a multicast group as origin
- */
- static void
- origin_start ()
- {
- test = TEST_ORIGIN_START;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Test #%u: origin_start()\n", test);
-
- group_key = GNUNET_CRYPTO_eddsa_key_create ();
- GNUNET_CRYPTO_eddsa_key_get_public (group_key, &group_pub_key);
-
- origin = GNUNET_MULTICAST_origin_start (cfg, group_key, 0,
- origin_recv_join_request,
- origin_recv_replay_frag,
- origin_recv_replay_msg,
- origin_recv_request,
- origin_recv_message,
- &origin_cls);
- // Test 2 starts here
- member_join (TEST_MEMBER_JOIN_REFUSE);
- }
-
-
- /**
- * Main function of the test, run from scheduler.
- *
- * @param cls NULL
- * @param cfg configuration we use (also to connect to Multicast service)
- * @param peer handle to access more of the peer (not used)
- */
- static void
- #if DEBUG_TEST_MULTICAST
- run (void *cls,
- char *const *args,
- const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *c)
- #else
- run (void *cls,
- const struct GNUNET_CONFIGURATION_Handle *c,
- struct GNUNET_TESTING_Peer *peer)
- #endif
- {
- cfg = c;
- end_badly_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
- &end_badly, NULL);
- GNUNET_CRYPTO_get_peer_identity (cfg, &this_peer);
-
- // Test 1 starts here
- origin_start ();
- }
-
-
- int
- main (int argc, char *argv[])
- {
- res = 1;
- #if DEBUG_TEST_MULTICAST
- const struct GNUNET_GETOPT_CommandLineOption opts[] = {
- GNUNET_GETOPT_OPTION_END
- };
- if (GNUNET_OK != GNUNET_PROGRAM_run (argc, argv, "test-multicast",
- "test-multicast [options]",
- opts, &run, NULL))
- return 1;
- #else
- if (0 != GNUNET_TESTING_peer_run ("test-multicast", "test_multicast.conf", &run, NULL))
- return 1;
- #endif
- return res;
- }
-
- /* end of test_multicast.c */
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