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