// Copyright 2015-2018 The NATS Authors // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include "examples.h" static const char *usage = ""\ "-txt text to send (default is 'hello')\n" \ "-count number of messages to send\n"; int main(int argc, char **argv) { natsConnection *conn = NULL; natsStatistics *stats = NULL; natsOptions *opts = NULL; natsStatus s; int dataLen=0; opts = parseArgs(argc, argv, usage); printf("Sending %" PRId64 " messages to subject '%s'\n", total, subj); s = natsConnection_Connect(&conn, opts); if (s == NATS_OK) s = natsStatistics_Create(&stats); if (s == NATS_OK) start = nats_Now(); dataLen = (int) strlen(payload); for (count = 0; (s == NATS_OK) && (count < total); count++) s = natsConnection_Publish(conn, subj, (const void*) payload, dataLen); if (s == NATS_OK) s = natsConnection_FlushTimeout(conn, 1000); if (s == NATS_OK) { printStats(STATS_OUT, conn, NULL, stats); printPerf("Sent"); } else { printf("Error: %u - %s\n", s, natsStatus_GetText(s)); nats_PrintLastErrorStack(stderr); } // Destroy all our objects to avoid report of memory leak natsStatistics_Destroy(stats); natsConnection_Destroy(conn); natsOptions_Destroy(opts); // To silence reports of memory still in used with valgrind nats_Close(); return 0; }