func (this *Array) RemoveObjectWithRange(start int, end int) Array {
*this = sliceExt.SliceRemoveWithRange(*this, start, end).(Array)
return *this
}
func (this *Array) RemoveAllObjects() Array {
*this = sliceExt.SliceRemoveWithRange(*this, 0, this.Len()).(Array)
return *this
}
func (this *TcpServer) readClient(conn net.Conn, reader *bufio.Reader) error {
readBuffer := make([]byte, this.packageBufferSize)
var readBufferWithSavedBytes []byte
//一次性读出全部报文，如果缓冲区大小不够，系统会多次回调这里
bufferReadLen, err := reader.Read(readBuffer[0:this.packageBufferSize])
readBuffer = sliceExt.SliceRemoveWithRange(readBuffer, bufferReadLen, cap(readBuffer)).([]byte)
/*
read函数阻塞在这里，可以获取到客户端断开之类的error信息
所有的delegate，都不要直接return，否则，read拿不到error的信息
*/
if nil != err {
//客户端强行断开
if strings.Contains(err.Error(), "connection reset by peer") {
if nil != this.delegate {
_, implemented := this.delegate.(ITcpServerDelegate)
if implemented {
this.delegate.TcpServerClientDisConnected(this.getClientInfoMapClient(conn))
}
}
this.DisConnect(this.getClientInfoMapClient(conn))
this.doCleanWorkAfterDisConnect(this.getClientInfoMapClient(conn))
return err
}
if err == io.EOF {
//对方断开连接
if nil != this.delegate {
_, implemented := this.delegate.(ITcpServerDelegate)
if implemented {
this.delegate.TcpServerClientDisConnected(this.getClientInfoMapClient(conn))
}
}
this.DisConnect(this.getClientInfoMapClient(conn))
this.doCleanWorkAfterDisConnect(this.getClientInfoMapClient(conn))
return err
} else if strings.Contains(err.Error(), "use of closed network connection") {
//自己主动断开
if nil != this.delegate {
_, implemented := this.delegate.(ITcpServerDelegate)
if implemented {
this.delegate.TcpServerClientDisConnectedByServer(this.getClientInfoMapClient(conn))
}
}
this.DisConnect(this.getClientInfoMapClient(conn))
this.doCleanWorkAfterDisConnect(this.getClientInfoMapClient(conn))
return err
} else if strings.Contains(err.Error(), "i/o timeout") {
//超时
if nil != this.delegate {
_, implemented := this.delegate.(ITcpServerDelegate)
if implemented {
this.delegate.TcpServerClientDisConnectedByServer(this.getClientInfoMapClient(conn))
}
}
this.DisConnect(this.getClientInfoMapClient(conn))
this.doCleanWorkAfterDisConnect(this.getClientInfoMapClient(conn))
return err
} else {
//其他错误
this.DisConnect(this.getClientInfoMapClient(conn))
return err
}
} else {
//read正常的时候
savedBuffer := this.getClientInfoMapSavedBuffer(conn)
readBufferWithSavedBytes = append(savedBuffer, readBuffer...)
loopBufferPos := 0
//循环拆解粘包
for {
loopBuffer := readBufferWithSavedBytes[loopBufferPos:]
var packageHeader *PackageHeader
packageHeader = (*PackageHeader)(unsafe.Pointer(&loopBuffer))
//小于包头
if len(loopBuffer) < binary.Size(packageHeader) {
break
}
//大于包头，小于包长
if len(loopBuffer) >= binary.Size(packageHeader) {
headerDataLen := int(binary.BigEndian.Uint32(loopBuffer))
if len(loopBuffer) < headerDataLen || headerDataLen > this.packageMaxSize {
break
}
//完整数据包
if nil != this.delegate {
_, implemented := this.delegate.(ITcpServerDelegate)
if implemented {
beginPos := loopBufferPos + binary.Size(packageHeader)
endPos := beginPos + headerDataLen
this.delegate.TcpServerDidReceiveClientFullData(this.getClientInfoMapClient(conn), readBufferWithSavedBytes[beginPos:endPos])
}
}
loopBufferPos = headerDataLen + binary.Size(packageHeader)
}
}
this.removeClientInfoMapSavedBuffer(conn)
this.addClientInfoMapSavedBuffer(conn, readBufferWithSavedBytes[loopBufferPos:])
}
return nil
}