forked from apache/rocketmq-client-go
/
producer_orderly.go
76 lines (63 loc) · 1.96 KB
/
producer_orderly.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package main
import (
"fmt"
"sync"
"sync/atomic"
"github.com/apache/rocketmq-client-go/core"
)
type queueSelectorByOrderID struct{}
func (s queueSelectorByOrderID) Select(size int, m *rocketmq.Message, arg interface{}) int {
return arg.(int) % size
}
type worker struct {
p rocketmq.Producer
leftMsgCount int64
}
func (w *worker) run() {
selector := queueSelectorByOrderID{}
for atomic.AddInt64(&w.leftMsgCount, -1) >= 0 {
r, err := w.p.SendMessageOrderly(
&rocketmq.Message{Topic: *topic, Body: *body}, selector, 7 /*orderID*/, 3,
)
if err != nil {
println("Send Orderly Error:", err)
}
fmt.Printf("send orderly result:%+v\n", r)
}
}
func sendMessageOrderly(config *rocketmq.ProducerConfig) {
producer, err := rocketmq.NewProducer(config)
if err != nil {
fmt.Println("create Producer failed, error:", err)
return
}
producer.Start()
defer producer.Shutdown()
wg := sync.WaitGroup{}
wg.Add(*workerCount)
workers := make([]worker, *workerCount)
for i := range workers {
workers[i].p = producer
workers[i].leftMsgCount = (int64)(*amount)
}
for i := range workers {
go func(w *worker) { w.run(); wg.Done() }(&workers[i])
}
wg.Wait()
}