77 lines
1.4 KiB
Go
77 lines
1.4 KiB
Go
package nsq
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import (
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"errors"
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"fmt"
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"github.com/nsqio/go-nsq"
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"time"
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)
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type Producer struct {
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nsqAddr []string
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config *nsq.Config
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producer *nsq.Producer
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size int
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pos int
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}
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func initProducer(p *Producer, nsqAddr string) error {
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var err error
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p.producer, err = nsq.NewProducer(nsqAddr, p.config)
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if err != nil {
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return err
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}
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p.producer.SetLogger(newNSQLogger(nsq.LogLevelError), nsq.LogLevelError)
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return nil
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}
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// 创建建生产者 nsqAddr:127.0.0.1:4150, 127.0.0.2:4150
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func NewProducer(nsqAddr ...string) (*Producer, error) {
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var err error
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p := new(Producer)
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p.config = nsq.NewConfig()
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// 心跳设置
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p.config.HeartbeatInterval = 30 * time.Second
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p.nsqAddr = nsqAddr
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p.size = len(nsqAddr)
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p.pos = 0
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if len(nsqAddr) == 0 {
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return nil, errors.New("nsqAddr is empty")
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}
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err = initProducer(p, p.nsqAddr[0])
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return p, err
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}
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// 向主题发布消息
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func (p *Producer) Publish(topic string, data []byte) error {
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var err error
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for {
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if p.producer != nil {
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err = p.producer.Publish(topic, data)
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if err == nil {
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break
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}
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// 切换ip重发
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p.producer.Stop()
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}
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p.pos = p.pos + 1
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if p.pos < p.size {
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err = initProducer(p, p.nsqAddr[p.pos])
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} else {
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p.pos = 0
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return fmt.Errorf("连接nsq：%v 失败", p.nsqAddr)
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}
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}
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return nil
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}
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func (p *Producer) Close() {
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if p.producer != nil {
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p.producer.Stop()
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p.producer = nil
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}
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}
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