更新重连

go.mod

@@ -2,4 +2,4 @@ module git.oa00.com/go/rabbitmq
 
 go 1.16
 
-require github.com/streadway/amqp v1.0.0
+require github.com/rabbitmq/amqp091-go v1.5.0

go.sum

@@ -1,2 +1,40 @@
-github.com/streadway/amqp v1.0.0 h1:kuuDrUJFZL1QYL9hUNuCxNObNzB0bV/ZG5jV3RWAQgo=
-github.com/streadway/amqp v1.0.0/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rabbitmq/amqp091-go v1.5.0 h1:VouyHPBu1CrKyJVfteGknGOGCzmOz0zcv/tONLkb7rg=
+github.com/rabbitmq/amqp091-go v1.5.0/go.mod h1:JsV0ofX5f1nwOGafb8L5rBItt9GyhfQfcJj+oyz0dGg=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.uber.org/goleak v1.1.12 h1:gZAh5/EyT/HQwlpkCy6wTpqfH9H8Lz8zbm3dZh+OyzA=
+go.uber.org/goleak v1.1.12/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

rabbitmq.go

@@ -1,62 +1,168 @@
 package rabbitmq
 
 import (
+	"context"
+	"errors"
 	"fmt"
-	"github.com/streadway/amqp"
-	"log"
+	amqp "github.com/rabbitmq/amqp091-go"
+	"sync"
+	"time"
 )
 
 var Rabbitmq = &rabbitmq{}
 
 type rabbitmq struct {
-	conn *amqp.Connection
+	config Config
+	Conn   *amqp.Connection
+	mu     sync.RWMutex
+	ch     *amqp.Channel
+}
+
+type Config struct {
+	Host         string
+	Port         int
+	User         string
+	Password     string
+	ReConnSecond int  // 重连间隔秒数
+	ReConn       bool // 是否断线重连
 }
 
 // InitRabbitmq @Title 初始化rabbitmq
-func InitRabbitmq(host string, port int, user, password string) {
-	var err error
-	Rabbitmq.conn, err = amqp.Dial(fmt.Sprintf("amqp://%s:%s@%s:%d/", user, password, host, port))
+func InitRabbitmq(config Config) error {
+	Rabbitmq.config = config
+	err := getConn()
+	if err != nil && Rabbitmq.config.ReConn {
+		go reConn()
+	}
+	return err
+}
+
+// @Title 获取连接
+func getConn() (err error) {
+	Rabbitmq.Conn, err = amqp.Dial(fmt.Sprintf("amqp://%s:%s@%s:%d/", Rabbitmq.config.User, Rabbitmq.config.Password, Rabbitmq.config.Host, Rabbitmq.config.Port))
 	if err != nil {
-		log.Fatal("rabbitmq链接失败，err:", err)
+		return err
+	}
+	// 断线重连
+	if Rabbitmq.config.ReConn {
+		cc := make(chan *amqp.Error)
+		closeChan := Rabbitmq.Conn.NotifyClose(cc)
+		go func() {
+			select {
+			case <-closeChan:
+				if Rabbitmq.config.ReConn {
+					reConn()
+				}
+			}
+		}()
 	}
 	return
 }
 
+// @Title 自动重连
+func reConn() {
+	if err := getConn(); err != nil {
+		// 延时重连
+		time.Sleep(time.Duration(Rabbitmq.config.ReConnSecond) * time.Second)
+		reConn()
+	}
+}
+
+// GetChannel @Title 获取连接
+func (r *rabbitmq) GetChannel() (*amqp.Channel, error) {
+	if r.ch != nil && !r.ch.IsClosed() {
+		return r.ch, nil
+	}
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	if r.ch != nil && !r.ch.IsClosed() {
+		return r.ch, nil
+	}
+	if r.Conn == nil || r.Conn.IsClosed() {
+		return nil, errors.New("rabbitmq not connect")
+	}
+	var err error
+	r.ch, err = r.Conn.Channel()
+	if err != nil {
+		return nil, err
+	}
+	return r.ch, nil
+}
+
 // Publish @Title 发送消息
 // @Param exchangeName string true "指定发送的交换机"
+// @Param key string true "路由key"
 // @Param msg string true "发送消息内容"
 // @Param delay int64 false "延时发送秒数"
 func (r *rabbitmq) Publish(exchangeName, msg string, delay ...int64) error {
-	ch, err := r.conn.Channel()
+	ch, err := r.GetChannel()
 	if err != nil {
 		return err
 	}
-	defer ch.Close()
 	header := amqp.Table{}
 	if len(delay) > 0 && delay[0] > 0 {
 		header["x-delay"] = delay[0] * 1000
 	}
-	return ch.Publish(
+	return ch.PublishWithContext(
+		context.Background(),
 		exchangeName, //交换
 		"",           //队列名称
 		false,        //强制为
 		false,        //立即
 		amqp.Publishing{
-			ContentType: "text/plain",
-			Body:        []byte(msg),
-			Headers:     header,
+			ContentType:  "text/plain",
+			Body:         []byte(msg),
+			DeliveryMode: amqp.Persistent,
+			Timestamp:    time.Now(),
+			Headers:      header,
+		})
+}
+
+// PublishWithContext @Title 发送消息
+// @Param exchangeName string true "指定发送的交换机"
+// @Param key string true "路由key"
+// @Param msg string true "发送消息内容"
+// @Param delay int64 false "延时发送秒数"
+func (r *rabbitmq) PublishWithContext(ctx context.Context, exchangeName, key, msg string, delay ...int64) error {
+	ch, err := r.GetChannel()
+	if err != nil {
+		return err
+	}
+	header := amqp.Table{}
+	if len(delay) > 0 && delay[0] > 0 {
+		header["x-delay"] = delay[0] * 1000
+	}
+	return ch.PublishWithContext(
+		ctx,
+		exchangeName, //交换
+		key,          //队列名称
+		false,        //强制为
+		false,        //立即
+		amqp.Publishing{
+			ContentType:  "text/plain",
+			DeliveryMode: amqp.Persistent,
+			Timestamp:    time.Now(),
+			Body:         []byte(msg),
+			Headers:      header,
 		})
 }
 
 // Consume @Title 消费队列
 // @Param queueName string true "队列名称"
 // @Param autoAck bool true "是否自动确认"
+// @Param prefetchCount int 0 "预消费数量"
 // @Param callback func(amqp.Delivery)) true "回调处理"
-func (r *rabbitmq) Consume(queueName string, autoAck bool, callback func(amqp.Delivery)) error {
-	ch, err := r.conn.Channel()
+func (r *rabbitmq) Consume(queueName string, autoAck bool, prefetchCount int, callback func(amqp.Delivery)) error {
+	ch, err := r.GetChannel()
 	if err != nil {
 		return err
 	}
+	defer ch.Close()
+	if prefetchCount > 0 {
+		if err := ch.Qos(prefetchCount, 0, false); err != nil {
+			return err
+		}
+	}
 	//消费队列
 	msgs, err := ch.Consume(
 		queueName, //队列名称
@@ -71,17 +177,25 @@ func (r *rabbitmq) Consume(queueName string, autoAck bool, callback func(amqp.De
 		return err
 	}
 
-	forever := make(chan bool)
-	go func() {
-		for d := range msgs {
+	cc := make(chan *amqp.Error)
+	closeChan := ch.NotifyClose(cc)
+
+	for {
+		select {
+		case d := <-msgs:
+			if d.Acknowledger == nil {
+				return errors.New("delivery not initialized")
+			}
 			callback(d)
+		case <-closeChan:
+			// 连接断开
+			return errors.New("rabbitmq channel close")
 		}
-	}()
-	<-forever
-	return nil
+	}
 }
 
 // Close @Title 关闭资源
 func (r *rabbitmq) Close() {
-	defer Rabbitmq.conn.Close()
+	Rabbitmq.config.ReConn = false
+	defer Rabbitmq.Conn.Close()
 }