internal unsafe void FastReadFrom(MessageChunk *first)
{
byte *dataPtr = MessageChunk.GetDataPtr(first) + 1; //offset 1 byte type
long *src = (long *)(dataPtr);
TxnPtr = new IntPtr(*src);
IsAbort = dataPtr[8] != 0;
}
internal unsafe void FastReadFrom(MessageChunk *first)
{
byte *dataPtr = MessageChunk.GetDataPtr(first);
ReadCommitted = dataPtr[1] > 0;
long *src = (long *)(dataPtr + 2);
WaitHandle = new IntPtr(*src);
}
internal unsafe void FastReadFrom(MessageChunk *first)
{
byte *dataPtr = MessageChunk.GetDataPtr(first);
long *src = (long *)(dataPtr + 1);
TxnPtr = new IntPtr(*src);
src = (long *)(dataPtr + 9);
WaitHandle = new IntPtr(*src);
}
public unsafe void Reset(MessageChunk *first)
{
//注意：不能加此判断，否则跨进程路由的消息报错
//if (first->First != first)
// throw new ArgumentException(nameof(first));
_curChunk = first;
_curDataPtr = MessageChunk.GetDataPtr(_curChunk);
_maxDataPtr = _curDataPtr + _curChunk->DataLength;
//todo:考虑是否实现计算总数据大小
}
private unsafe bool CheckNeedMove()
{
if (_curDataPtr == _maxDataPtr)
{
if (_curChunk->Next == null)
{
//_curChunk->DumpAllTcpInfo(true);
return(false);
}
//移至下一消息段
_curChunk = _curChunk->Next;
_curDataPtr = MessageChunk.GetDataPtr(_curChunk);
_maxDataPtr = _curDataPtr + _curChunk->DataLength;
}
return(true);
}
private unsafe void CreateChunk()
{
var preChunk = _curChunk;
if (_queue == null)
{
_curChunk = (MessageChunk *)ByteBuffer.Pop();
}
else
{
_curChunk = _queue.GetMessageChunkForWrite();
}
//初始化包的消息头
_curChunk->Type = (byte)_msgType;
_curChunk->ID = _msgID;
_curChunk->Flag = (byte)_msgFlag;
_curChunk->MessageSourceID = _sourceId;
_curChunk->DataLength = MessageChunk.PayloadDataSize;
//需要设置消息链表
_curChunk->Next = null;
if (preChunk == null)
{
_curChunk->First = _curChunk;
_curChunk->Flag |= (byte)MessageFlag.FirstChunk;
}
else
{
preChunk->Next = _curChunk;
_curChunk->First = preChunk->First;
}
//设置数据部分位置
_curDataPtr = MessageChunk.GetDataPtr(_curChunk);
_maxDataPtr = _curDataPtr + MessageChunk.PayloadDataSize;
//直接发送preChunk
if (_queue != null && preChunk != null)
{
_queue.PostMessageChunk(preChunk);
}
}