tile38/controller/disque.go

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2016-04-03 00:13:20 +03:00
package controller
import (
"errors"
"fmt"
"strings"
"sync"
"time"
)
// TODO: add one connection pool per endpoint. Use Redigo.
// The current implementation is too slow.
var endpointDisqueMu sync.Mutex
type endpointDisqueConn struct {
mu sync.Mutex
}
var endpointDisqueM = make(map[string]*endpointDisqueConn)
func sendDisqueMessage(endpoint Endpoint, msg []byte) error {
endpointDisqueMu.Lock()
conn, ok := endpointDisqueM[endpoint.Original]
if !ok {
conn = &endpointDisqueConn{
//client: &http.Client{Transport: &http.Transport{}},
}
endpointDisqueM[endpoint.Original] = conn
}
endpointDisqueMu.Unlock()
conn.mu.Lock()
defer conn.mu.Unlock()
addr := fmt.Sprintf("%s:%d", endpoint.Disque.Host, endpoint.Disque.Port)
dconn, err := DialTimeout(addr, time.Second/4)
if err != nil {
return err
}
defer dconn.Close()
options := []interface{}{endpoint.Disque.QueueName, msg, 0}
replicate := endpoint.Disque.Options.Replicate
if replicate > 0 {
options = append(options, "REPLICATE")
options = append(options, endpoint.Disque.Options.Replicate)
}
v, err := dconn.Do("ADDJOB", options...)
if err != nil {
return err
}
if v.Error() != nil {
return v.Error()
}
id := v.String()
p := strings.Split(id, "-")
if len(p) != 4 {
return errors.New("invalid disque reply")
}
return nil
}