MTP20_ASSISTED/service/common.go

package service

import (
	"fmt"
	"mtp20_assisted/core"
	"mtp20_assisted/global"

	"go.uber.org/zap"
)

// InitRabbitMQMsgPreccesser 构建总线信息处理器
func InitRabbitMQMsgPreccesser() (err error) {
	global.M2A_MSGPROCESSER = make(map[string]global.MsgProcesser)

	// 铁合金服务通知
	// t := THJNtf{}
	// global.M2A_MSGPROCESSER[global.TOPIC_THJ_NTF] = &t
	t := new(THJNtf)
	global.M2A_MSGPROCESSER[global.TOPIC_THJ_NTF] = t

	return
}

// StartRabbitMQSubscribe 开始向总线创建和绑定队列
func StartRabbitMQSubscribe() (err error) {
	// 订阅需要的总线主题
	if err = subscribeTopic(global.TOPIC_THJ_NTF); err != nil {
		global.M2A_LOG.Error("rabbitmq subscribe topic failed, err:", zap.Error(err))
		return
	}
	global.M2A_LOG.Info("rabbitmq subscribe topic success.")

	return
}

// StartRabbitMQReceive 开始接收总线消息
func StartRabbitMQReceive() {
	go func() {
		for topic, processer := range global.M2A_MSGPROCESSER {
			core.Receive(topic, processer)
		}
	}()
	global.M2A_LOG.Info("rabbitmq start receiving messages.")
}

// subscribeTopic 订阅主题
func subscribeTopic(topic string) (err error) {
	// 创建队列名称
	queuename := fmt.Sprintf("mtp20_assisted_%s", topic)

	// 申明队列
	if _, err = global.M2A_RABBITMQ.Channel.QueueDeclare(queuename, true, false, false, true, nil); err != nil {
		global.M2A_LOG.Error("rabbitmq declear queue failed, err:", zap.Error(err))
		return
	}

	// 绑定队列
	if err = global.M2A_RABBITMQ.Channel.QueueBind(queuename, topic, "entry", false, nil); err != nil {
		global.M2A_LOG.Error("rabbitmq bind queue failed, err:", zap.Error(err))
		return
	}

	return
}