高性能TcpServer_Go

心跳协议
C->S
IOT=0033#Meter01#1663047537917418700#01##
断包
IOT=0033#
Meter01#1663047537917418700#01##
粘包
IOT=0033#Meter01#1663047537917418700#01##IOT=0033#Meter01#1663047537917418700#01##
垃圾包
**IOT=0033#Meter01#1663047537917418700#01##
超时断开 serviceinstance.go var timeout = 30 * time.Second
S->C
IOT=0035#Meter01#1663047537917418700#01#ok#
package function type ByteBuffer struct { bufferSize int abyBuf []byte position int recvLength int waitRecvRemain bool } func NewByteBuffer(bufferSize int) *ByteBuffer { p := &ByteBuffer{ bufferSize: bufferSize, abyBuf: make([]byte, bufferSize, bufferSize), } return p } func (p *ByteBuffer) Put(tmpbuf []byte) { length := len(tmpbuf) if p.recvLength+length >= p.bufferSize { p.Clear() return } blockCopy(tmpbuf, 0, p.abyBuf, p.recvLength, length) p.recvLength += length } func (p *ByteBuffer) Clear() { p.position = 0 p.recvLength = 0 p.waitRecvRemain = false } func (p *ByteBuffer) HasRemaining() bool { return p.position < p.recvLength } func (p *ByteBuffer) CheckRemaining(position int) bool { if p.waitRecvRemain { p.position = position } return p.waitRecvRemain } func (p *ByteBuffer) SetPosition(position int) { p.position = position } func (p *ByteBuffer) GetByte() byte { p.waitRecvRemain = false if p.position >= p.recvLength { p.waitRecvRemain = true return 0 } byRet := p.abyBuf[p.position] p.position++ return byRet } func (p *ByteBuffer) GetByteArray(length int) []byte { p.waitRecvRemain = false if p.position+length > p.recvLength { p.waitRecvRemain = true return nil } tmpbuf := make([]byte, length) blockCopy(p.abyBuf, p.position, tmpbuf, 0, length) p.position += length return tmpbuf }
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