public void Release()
{
CloseSocket();
_CachedSendMessageQueue.Clear();
_ConEventArgsQueue.Clear();
_BufferBlock = null;
if (_SyncSendMessageThread != null)
{
//_SyncSendMessageThread.Interrupt();
_SyncSendMessageThread.Abort();
_SyncSendMessageThread = null;
}
if (_ConnectTimer != null)
{
_ConnectTimer.Stop();
_ConnectTimer.Close();
}
_ServiceSocket = null;
_DataToken = null;
}
private static int HandlePrefix(byte[] buffer, DataToken dataToken, int remaimingBytesToProcess)
{
int headerLen = 4 - dataToken.PrefixDoneNum;
var offset = dataToken.BufferSkipOffset;
if (remaimingBytesToProcess >= headerLen)
{
for (int i = 0; i < headerLen; i++)
{
dataToken.ByteArrayForPrefix[dataToken.PrefixDoneNum + i] = buffer[offset + i];
}
remaimingBytesToProcess = remaimingBytesToProcess - headerLen;
dataToken.PrefixDoneNum = 4;
dataToken.MessageLength = BitConverter.ToInt32(dataToken.ByteArrayForPrefix, 0);
dataToken.BufferSkipOffset += headerLen;
}
else
{
for (int i = 0; i < remaimingBytesToProcess; i++)
{
dataToken.ByteArrayForPrefix[dataToken.PrefixDoneNum + i] = buffer[offset + i];
}
dataToken.PrefixDoneNum += remaimingBytesToProcess;
remaimingBytesToProcess = 0;
}
return(remaimingBytesToProcess);
}
private static int HandleMessage(byte[] buffer, DataToken dataToken, int remaimingBytesToProcess)
{
int notCopyTypes = 0;
if (dataToken.MessageDoneNum == 0)
{
dataToken.ByteArrayForMessage = new byte[dataToken.MessageLength];
}
var offset = dataToken.BufferSkipOffset;
if (remaimingBytesToProcess + dataToken.MessageDoneNum > dataToken.MessageLength)
{
int needCopyBytes = dataToken.MessageLength - dataToken.MessageDoneNum; //需要复制的byte数
notCopyTypes = remaimingBytesToProcess - needCopyBytes; //剩余的byte数
Buffer.BlockCopy(buffer, offset, dataToken.ByteArrayForMessage, dataToken.MessageDoneNum, needCopyBytes);
dataToken.MessageDoneNum = dataToken.MessageLength;
dataToken.BufferSkipOffset += needCopyBytes;
}
else
{
Buffer.BlockCopy(buffer, offset, dataToken.ByteArrayForMessage, dataToken.MessageDoneNum, remaimingBytesToProcess);
dataToken.MessageDoneNum += remaimingBytesToProcess;
}
return(notCopyTypes);
}
public static bool TryReadMessage(DataToken dataToken, byte[] buffer, int length, out List <byte[]> messageList)
{
int remainingBytesToProcess = length;
bool needPostAnother = true;
messageList = null;
_MessageList.Clear();
do
{
if (dataToken.PrefixDoneNum < 4)
{
remainingBytesToProcess = HandlePrefix(buffer, dataToken, remainingBytesToProcess);
if (dataToken.PrefixDoneNum == 4 && (dataToken.MessageLength > 10 * 1024 * 1024 || dataToken.MessageLength < 0))
{
//包长度出错
needPostAnother = false;
break;
}
if (remainingBytesToProcess == 0)
{
break;
}
}
else
{
// TODO: remainingBytesToProcess = HandlePrtcId();
}
remainingBytesToProcess = HandleMessage(buffer, dataToken, remainingBytesToProcess);
if (dataToken.MessageDoneNum == dataToken.MessageLength)//获得完整消息包
{
_MessageList.Add(dataToken.ByteArrayForMessage);
if (remainingBytesToProcess != 0)
{
dataToken.Reset(false);
}
}
}while (remainingBytesToProcess != 0);
messageList = _MessageList;
if (needPostAnother)
{
//如果刚好处理完完整的包，则dataToken完全重置,否则仅重置偏移量
if (dataToken.PrefixDoneNum == 4 && dataToken.MessageDoneNum == dataToken.MessageLength)
{
dataToken.Reset(true);
}
else
{
dataToken.BufferSkipOffset = 0;
}
}
return(needPostAnother);
}
private static int HandlePrtcId(byte[] buffer, DataToken dataToken, int remaimingBytesToProcess)
{
return(remaimingBytesToProcess);
}
