/
bus.go
77 lines (62 loc) · 1.21 KB
/
bus.go
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package bus
import (
"encoding/json"
"github.com/streadway/amqp"
"github.com/Qihoo360/wayne/src/backend/bus/message"
)
var DefaultBus *Bus
const (
QueueWebhook = "webhook"
QueueAudit = "audit"
RoutingKeyRequest = "request"
)
type Bus struct {
Name string
Url string
Conn *amqp.Connection
Channel *amqp.Channel
}
func NewBus(url string) (*Bus, error) {
bus := &Bus{Name: "wayne", Url: url}
conn, err := amqp.Dial(bus.Url)
if err != nil {
return nil, err
}
bus.Conn = conn
channel, err := conn.Channel()
if err != nil {
return nil, err
}
bus.Channel = channel
if err := bus.Init(); err != nil {
return nil, err
}
return bus, nil
}
func (bus *Bus) Init() error {
// Exchange
if err := bus.Channel.ExchangeDeclare(bus.Name, amqp.ExchangeDirect, true, false, false, false, nil); err != nil {
return err
}
return nil
}
func Notify(msg message.Message) error {
if DefaultBus == nil { // Feature is not enabled
return nil
}
msgStr, err := json.Marshal(msg)
if err != nil {
return err
}
err = DefaultBus.Channel.Publish(
DefaultBus.Name,
RoutingKeyRequest,
false,
false,
amqp.Publishing{
ContentType: "application/json",
Body: msgStr,
},
)
return err
}