fix: log cmpp packet decode failures
This commit is contained in:
hectorzhao
+314
@@ -0,0 +1,314 @@
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// Copyright 2015 Tony Bai.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cmpp
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import (
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"encoding/binary"
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"errors"
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)
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// Packet length const for cmpp deliver request and response packets.
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const (
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Cmpp2DeliverReqPktMaxLen uint32 = 12 + 233 //245d, 0xf5
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Cmpp2DeliverRspPktLen uint32 = 12 + 8 + 1 //21d, 0x15
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Cmpp3DeliverReqPktMaxLen uint32 = 12 + 257 //269d, 0x10d
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Cmpp3DeliverRspPktLen uint32 = 12 + 8 + 4 //24d, 0x18
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)
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// Errors for result in deliver resp.
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var (
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ErrnoDeliverInvalidStruct uint8 = 1
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ErrnoDeliverInvalidCommandId uint8 = 2
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ErrnoDeliverInvalidSequence uint8 = 3
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ErrnoDeliverInvalidMsgLength uint8 = 4
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ErrnoDeliverInvalidFeeCode uint8 = 5
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ErrnoDeliverExceedMaxMsgLength uint8 = 6
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ErrnoDeliverInvalidServiceId uint8 = 7
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ErrnoDeliverNotPassFlowControl uint8 = 8
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ErrnoDeliverOtherError uint8 = 9
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DeliverRspResultErrMap = map[uint8]error{
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ErrnoDeliverInvalidStruct: errDeliverInvalidStruct,
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ErrnoDeliverInvalidCommandId: errDeliverInvalidCommandId,
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ErrnoDeliverInvalidSequence: errDeliverInvalidSequence,
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ErrnoDeliverInvalidMsgLength: errDeliverInvalidMsgLength,
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ErrnoDeliverInvalidFeeCode: errDeliverInvalidFeeCode,
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ErrnoDeliverExceedMaxMsgLength: errDeliverExceedMaxMsgLength,
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ErrnoDeliverInvalidServiceId: errDeliverInvalidServiceId,
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ErrnoDeliverNotPassFlowControl: errDeliverNotPassFlowControl,
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ErrnoDeliverOtherError: errDeliverOtherError,
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}
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errDeliverInvalidStruct = errors.New("deliver response status: invalid protocol structure")
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errDeliverInvalidCommandId = errors.New("deliver response status: invalid command id")
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errDeliverInvalidSequence = errors.New("deliver response status: invalid message sequence")
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errDeliverInvalidMsgLength = errors.New("deliver response status: invalid message length")
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errDeliverInvalidFeeCode = errors.New("deliver response status: invalid fee code")
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errDeliverExceedMaxMsgLength = errors.New("deliver response status: exceed max message length")
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errDeliverInvalidServiceId = errors.New("deliver response status: invalid service id")
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errDeliverNotPassFlowControl = errors.New("deliver response status: not pass the flow control")
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errDeliverOtherError = errors.New("deliver response status: other error")
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)
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type Cmpp2DeliverReqPkt struct {
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MsgId uint64
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DestId string
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ServiceId string
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TpPid uint8
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TpUdhi uint8
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MsgFmt uint8
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SrcTerminalId string
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RegisterDelivery uint8
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MsgLength uint8
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MsgContent string
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Reserve string
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//session info
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SeqId uint32
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}
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type Cmpp2DeliverRspPkt struct {
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MsgId uint64
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Result uint8
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//session info
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SeqId uint32
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}
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type Cmpp3DeliverReqPkt struct {
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MsgId uint64
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DestId string
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ServiceId string
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TpPid uint8
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TpUdhi uint8
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MsgFmt uint8
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SrcTerminalId string
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SrcTerminalType uint8
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RegisterDelivery uint8
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MsgLength uint8
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MsgContent string
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LinkId string
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//session info
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SeqId uint32
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}
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type Cmpp3DeliverRspPkt struct {
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MsgId uint64
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Result uint32
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//session info
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SeqId uint32
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}
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// Pack packs the Cmpp2DeliverReqPkt to bytes stream for client side.
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func (p *Cmpp2DeliverReqPkt) Pack(seqId uint32) ([]byte, error) {
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var pktLen uint32 = CMPP_HEADER_LEN + 65 + uint32(p.MsgLength) + 8
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var w = newPacketWriter(pktLen)
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// Pack header
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w.WriteInt(binary.BigEndian, pktLen)
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w.WriteInt(binary.BigEndian, CMPP_DELIVER)
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w.WriteInt(binary.BigEndian, seqId)
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p.SeqId = seqId
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// Pack Body
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w.WriteInt(binary.BigEndian, p.MsgId)
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w.WriteFixedSizeString(p.DestId, 21)
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w.WriteFixedSizeString(p.ServiceId, 10)
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w.WriteByte(p.TpPid)
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w.WriteByte(p.TpUdhi)
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w.WriteByte(p.MsgFmt)
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w.WriteFixedSizeString(p.SrcTerminalId, 21)
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w.WriteByte(p.RegisterDelivery)
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w.WriteByte(p.MsgLength)
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w.WriteString(p.MsgContent)
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w.WriteFixedSizeString(p.Reserve, 8)
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return w.Bytes()
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}
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// Unpack unpack the binary byte stream to a Cmpp2DeliverReqPkt variable.
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// After unpack, you will get all value of fields in
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// Cmpp2DeliverReqPkt struct.
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func (p *Cmpp2DeliverReqPkt) Unpack(data []byte) error {
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var r = newPacketReader(data)
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// Sequence Id
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r.ReadInt(binary.BigEndian, &p.SeqId)
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// Body
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r.ReadInt(binary.BigEndian, &p.MsgId)
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destId := r.ReadCString(21)
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p.DestId = string(destId)
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serviceId := r.ReadCString(10)
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p.ServiceId = string(serviceId)
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p.TpPid = r.ReadByte()
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p.TpUdhi = r.ReadByte()
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p.MsgFmt = r.ReadByte()
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srcTerminalId := r.ReadCString(21)
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p.SrcTerminalId = string(srcTerminalId)
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p.RegisterDelivery = r.ReadByte()
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p.MsgLength = r.ReadByte()
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msgContent := make([]byte, p.MsgLength)
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r.ReadBytes(msgContent)
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p.MsgContent = string(msgContent)
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reserve := r.ReadCString(8)
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p.Reserve = string(reserve)
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return r.Error()
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}
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// Pack packs the Cmpp2DeliverRspPkt to bytes stream for client side.
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func (p *Cmpp2DeliverRspPkt) Pack(seqId uint32) ([]byte, error) {
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var pktLen uint32 = Cmpp2DeliverRspPktLen
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var w = newPacketWriter(pktLen)
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// Pack header
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w.WriteInt(binary.BigEndian, pktLen)
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w.WriteInt(binary.BigEndian, CMPP_DELIVER_RESP)
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w.WriteInt(binary.BigEndian, seqId)
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p.SeqId = seqId
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// Pack Body
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w.WriteInt(binary.BigEndian, p.MsgId)
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w.WriteByte(p.Result)
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return w.Bytes()
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}
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// Unpack unpack the binary byte stream to a Cmpp2DeliverRspPkt variable.
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// After unpack, you will get all value of fields in
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// Cmpp2DeliverRspPkt struct.
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func (p *Cmpp2DeliverRspPkt) Unpack(data []byte) error {
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var r = newPacketReader(data)
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// Sequence Id
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r.ReadInt(binary.BigEndian, &p.SeqId)
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r.ReadInt(binary.BigEndian, &p.MsgId)
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p.Result = r.ReadByte()
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return r.Error()
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}
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// Pack packs the Cmpp3DeliverReqPkt to bytes stream for client side.
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func (p *Cmpp3DeliverReqPkt) Pack(seqId uint32) ([]byte, error) {
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var pktLen uint32 = CMPP_HEADER_LEN + 77 + uint32(p.MsgLength) + 20
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var w = newPacketWriter(pktLen)
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// Pack header
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w.WriteInt(binary.BigEndian, pktLen)
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w.WriteInt(binary.BigEndian, CMPP_DELIVER)
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w.WriteInt(binary.BigEndian, seqId)
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p.SeqId = seqId
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// Pack Body
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w.WriteInt(binary.BigEndian, p.MsgId)
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w.WriteFixedSizeString(p.DestId, 21)
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w.WriteFixedSizeString(p.ServiceId, 10)
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w.WriteByte(p.TpPid)
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w.WriteByte(p.TpUdhi)
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w.WriteByte(p.MsgFmt)
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w.WriteFixedSizeString(p.SrcTerminalId, 32)
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w.WriteByte(p.SrcTerminalType)
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w.WriteByte(p.RegisterDelivery)
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w.WriteByte(p.MsgLength)
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w.WriteString(p.MsgContent)
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w.WriteFixedSizeString(p.LinkId, 20)
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return w.Bytes()
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}
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// Unpack unpack the binary byte stream to a Cmpp3DeliverReqPkt variable.
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// After unpack, you will get all value of fields in
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// Cmpp3DeliverReqPkt struct.
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func (p *Cmpp3DeliverReqPkt) Unpack(data []byte) error {
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var r = newPacketReader(data)
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// Sequence Id
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r.ReadInt(binary.BigEndian, &p.SeqId)
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// Body
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r.ReadInt(binary.BigEndian, &p.MsgId)
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destId := r.ReadCString(21)
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p.DestId = string(destId)
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serviceId := r.ReadCString(10)
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p.ServiceId = string(serviceId)
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p.TpPid = r.ReadByte()
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p.TpUdhi = r.ReadByte()
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p.MsgFmt = r.ReadByte()
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srcTerminalId := r.ReadCString(32)
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p.SrcTerminalId = string(srcTerminalId)
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p.SrcTerminalType = r.ReadByte()
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p.RegisterDelivery = r.ReadByte()
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p.MsgLength = r.ReadByte()
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msgContent := make([]byte, p.MsgLength)
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r.ReadBytes(msgContent)
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p.MsgContent = string(msgContent)
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linkId := r.ReadCString(20)
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p.LinkId = string(linkId)
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return r.Error()
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}
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// Pack packs the Cmpp3DeliverRspPkt to bytes stream for client side.
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func (p *Cmpp3DeliverRspPkt) Pack(seqId uint32) ([]byte, error) {
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var pktLen uint32 = Cmpp3DeliverRspPktLen
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var w = newPacketWriter(pktLen)
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// Pack header
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w.WriteInt(binary.BigEndian, pktLen)
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w.WriteInt(binary.BigEndian, CMPP_DELIVER_RESP)
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w.WriteInt(binary.BigEndian, seqId)
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p.SeqId = seqId
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// Pack Body
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w.WriteInt(binary.BigEndian, p.MsgId)
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w.WriteInt(binary.BigEndian, p.Result)
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return w.Bytes()
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}
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// Unpack unpack the binary byte stream to a Cmpp3DeliverRspPkt variable.
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// After unpack, you will get all value of fields in
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// Cmpp3DeliverRspPkt struct.
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func (p *Cmpp3DeliverRspPkt) Unpack(data []byte) error {
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var r = newPacketReader(data)
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// Sequence Id
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r.ReadInt(binary.BigEndian, &p.SeqId)
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r.ReadInt(binary.BigEndian, &p.MsgId)
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r.ReadInt(binary.BigEndian, &p.Result)
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return r.Error()
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}
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