forked from sunmi-OS/gocore
/
rabbitmq.go
213 lines (185 loc) · 4.48 KB
/
rabbitmq.go
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package rabbitmq
import (
"fmt"
"github.com/streadway/amqp"
"github.com/sunmi-OS/gocore/viper"
"net/url"
"time"
)
var ch *amqp.Channel
func connRbbitmq() error {
host := viper.GetEnvConfig("rabbitmq.host")
port := viper.GetEnvConfig("rabbitmq.port")
vhost := viper.GetEnvConfig("rabbitmq.vhost")
user := url.QueryEscape(viper.GetEnvConfig("rabbitmq.user"))
password := url.QueryEscape(viper.GetEnvConfig("rabbitmq.password"))
amqpcoinf := amqp.Config{
Vhost: vhost,
Heartbeat: 10 * time.Second,
Locale: "en_US",
}
conn, err := amqp.DialConfig(fmt.Sprintf("amqp://%s:%s@%s:%s/", user, password, host, port), amqpcoinf)
if err != nil {
return err
}
ch, err = conn.Channel()
return err
}
func UpdateRabbitmq() error {
r1 := ch
err := connRbbitmq()
if err != nil {
return err
} else {
err := r1.Close()
if err != nil {
return err
}
}
return nil
}
// 普通模式发布消息
func Push(msg string, msgName string) error {
if ch == nil {
err := connRbbitmq()
if err != nil {
return err
}
}
q, err := ch.QueueDeclare(
msgName, // name
true, // durable
false, // delete when unused
false, // exclusive
false, // no-wait
nil, // arguments
)
if err != nil {
return err
}
err = ch.Publish(
"", // exchange
q.Name, // routing key
false, // mandatory
false, // immediate
amqp.Publishing{
ContentType: "text/plain",
Body: []byte(msg),
})
return err
}
// 普通模式消费消息
func Consume(queue string) (<-chan amqp.Delivery, error) {
if ch == nil {
err := connRbbitmq()
if err != nil {
return nil, err
}
}
q, err := ch.QueueDeclare(
queue, // name
true, // durable
false, // delete when unused
false, // exclusive
false, // no-wait
nil, // arguments
)
if err != nil {
return nil, err
}
msgs, err := ch.Consume(
q.Name, // queue
"", // consumer
false, // auto ack
false, // exclusive
false, // no local
false, // no wait
nil, // args
)
return msgs, nil
}
// 发布订阅模式发布消息
func Publish(exchange, msg string, durable bool) error {
if ch == nil {
err := connRbbitmq()
if err != nil {
return err
}
}
err := ch.ExchangeDeclare(
exchange, // name
"fanout", // type
durable, // durable
false, // auto-deleted
false, // internal
false, // no-wait
nil, // arguments
)
if err != nil {
return err
}
err = ch.Publish(
exchange, // exchange
"", // routing key
false, // mandatory
false, // immediate
amqp.Publishing{
ContentType: "text/plain",
Body: []byte(msg),
})
return err
}
// 发布订阅模式消费消息
func SubScribe(exchange string, durable bool) (<-chan amqp.Delivery, error) {
if ch == nil {
err := connRbbitmq()
if err != nil {
return nil, err
}
}
err := ch.ExchangeDeclare(
exchange, // name
"fanout", // type
durable, // durable
false, // auto-deleted
false, // internal
false, // no-wait
nil, // arguments
)
if err != nil {
return nil, err
}
q, err := ch.QueueDeclare(
"", // name
durable, // durable
false, // delete when unused
true, // exclusive
false, // no-wait
nil, // arguments
)
if err != nil {
return nil, err
}
err = ch.QueueBind(
q.Name, // queue name
"", // routing key
exchange, // exchange
false,
nil)
if err != nil {
return nil, err
}
msgs, err := ch.Consume(
q.Name, // queue
"", // consumer
false, // auto-ack
false, // exclusive
false, // no-local
false, // no-wait
nil, // args
)
if err != nil {
return nil, err
}
return msgs, nil
}