87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
// 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 "encoding/binary"
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// Packet length const for cmpp active test request and response packets.
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const (
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CmppActiveTestReqPktLen uint32 = 12 //12d, 0xc
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CmppActiveTestRspPktLen uint32 = 12 + 1 //13d, 0xd
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)
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type CmppActiveTestReqPkt struct {
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// session info
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SeqId uint32
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}
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type CmppActiveTestRspPkt struct {
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Reserved uint8
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// session info
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SeqId uint32
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}
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// Pack packs the CmppActiveTestReqPkt to bytes stream for client side.
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func (p *CmppActiveTestReqPkt) Pack(seqId uint32) ([]byte, error) {
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var pktLen = CmppActiveTestReqPktLen
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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_ACTIVE_TEST)
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w.WriteInt(binary.BigEndian, seqId)
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p.SeqId = seqId
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return w.Bytes()
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}
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// Unpack unpack the binary byte stream to a CmppActiveTestReqPkt variable.
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// After unpack, you will get all value of fields in
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// CmppActiveTestReqPkt struct.
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func (p *CmppActiveTestReqPkt) 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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return r.Error()
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}
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// Pack packs the CmppActiveTestRspPkt to bytes stream for client side.
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func (p *CmppActiveTestRspPkt) Pack(seqId uint32) ([]byte, error) {
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var pktLen = CmppActiveTestRspPktLen
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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_ACTIVE_TEST_RESP)
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w.WriteInt(binary.BigEndian, seqId)
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w.WriteByte(p.Reserved)
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p.SeqId = seqId
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return w.Bytes()
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}
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// Unpack unpack the binary byte stream to a CmppActiveTestRspPkt variable.
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// After unpack, you will get all value of fields in
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// CmppActiveTestRspPkt struct.
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func (p *CmppActiveTestRspPkt) 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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p.Reserved = r.ReadByte()
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return r.Error()
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}
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