torque
79a45fd2e3
subrepo: subdir: "deps/nats.c" merged: "66cec7f" upstream: origin: "https://github.com/nats-io/nats.c.git" branch: "v3.6.1" commit: "66cec7f" git-subrepo: version: "0.4.6" commit: "b8b46501e"
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
// Copyright 2017-2018 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <nats.h>
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int main(int argc, char **argv)
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{
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natsConnection *conn = NULL;
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natsMsg *reply= NULL;
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natsStatus s;
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printf("Publishes a message on subject 'help'\n");
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// Creates a connection to the default NATS URL
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s = natsConnection_ConnectTo(&conn, NATS_DEFAULT_URL);
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if (s == NATS_OK)
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{
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// Sends a request on "help" and expects a reply.
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// Will wait only for a given number of milliseconds,
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// say for 5 seconds in this example.
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s = natsConnection_RequestString(&reply, conn, "help",
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"really need some", 5000);
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}
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if (s == NATS_OK)
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{
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// If we are here, we should have received the reply
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printf("Received reply: %.*s\n",
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natsMsg_GetDataLength(reply),
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natsMsg_GetData(reply));
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// Need to destroy the message!
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natsMsg_Destroy(reply);
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}
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// Anything that is created need to be destroyed
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natsConnection_Destroy(conn);
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// If there was an error, print a stack trace and exit
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if (s != NATS_OK)
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{
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nats_PrintLastErrorStack(stderr);
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exit(2);
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}
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return 0;
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}
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