mirror of https://github.com/tidwall/tile38.git
61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
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// Copyright 2012-2018 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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// +build ignore
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package main
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import (
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"flag"
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"log"
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"time"
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"github.com/nats-io/go-nats"
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)
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// NOTE: Use tls scheme for TLS, e.g. nats-req -s tls://demo.nats.io:4443 foo hello
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func usage() {
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log.Fatalf("Usage: nats-req [-s server (%s)] <subject> <msg> \n", nats.DefaultURL)
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}
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func main() {
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var urls = flag.String("s", nats.DefaultURL, "The nats server URLs (separated by comma)")
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log.SetFlags(0)
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flag.Usage = usage
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flag.Parse()
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args := flag.Args()
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if len(args) < 2 {
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usage()
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}
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nc, err := nats.Connect(*urls)
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if err != nil {
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log.Fatalf("Can't connect: %v\n", err)
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}
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defer nc.Close()
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subj, payload := args[0], []byte(args[1])
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msg, err := nc.Request(subj, []byte(payload), 100*time.Millisecond)
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if err != nil {
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if nc.LastError() != nil {
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log.Fatalf("Error in Request: %v\n", nc.LastError())
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}
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log.Fatalf("Error in Request: %v\n", err)
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}
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log.Printf("Published [%s] : '%s'\n", subj, payload)
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log.Printf("Received [%v] : '%s'\n", msg.Subject, string(msg.Data))
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}
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