gearman-go/worker/response.go
2013-08-30 18:01:10 +08:00

63 lines
1.4 KiB
Go

// Copyright 2011 Xing Xing <mikespook@gmail.com>
// All rights reserved.
// Use of this source code is governed by a MIT
// license that can be found in the LICENSE file.
package worker
import (
"bytes"
"fmt"
"encoding/binary"
)
// Worker side job
type Response struct {
DataType uint32
Data []byte
Handle, UniqueId, Fn string
agentId string
}
// Create a new job
func getResponse() (resp *Response) {
return &Response{}
}
// Decode job from byte slice
func decodeResponse(data []byte) (resp *Response, l int, err error) {
if len(data) < MIN_PACKET_LEN { // valid package should not less 12 bytes
err = fmt.Errorf("Invalid data: %V", data)
return
}
dl := int(binary.BigEndian.Uint32(data[8:12]))
dt := data[MIN_PACKET_LEN : dl+MIN_PACKET_LEN]
if len(dt) != int(dl) { // length not equal
err = fmt.Errorf("Invalid data: %V", data)
return
}
resp = getResponse()
resp.DataType = binary.BigEndian.Uint32(data[4:8])
switch resp.DataType {
case JOB_ASSIGN:
s := bytes.SplitN(dt, []byte{'\x00'}, 3)
if len(s) == 3 {
resp.Handle = string(s[0])
resp.Fn = string(s[1])
resp.Data = s[2]
}
case JOB_ASSIGN_UNIQ:
s := bytes.SplitN(dt, []byte{'\x00'}, 4)
if len(s) == 4 {
resp.Handle = string(s[0])
resp.Fn = string(s[1])
resp.UniqueId = string(s[2])
resp.Data = s[3]
}
default:
resp.Data = dt
}
l = dl + MIN_PACKET_LEN
return
}