private void PrimitiveReqData(TransferReqDataSchduleInfoManager reqDataSchduleInfoManager, TransferReqDataSchduleInfo currentReqDataSchduleInfo)
{
var endPoint = reqDataSchduleInfoManager.NotifyMessage.SrcEndPoint;
int repeatCount = 0;
int mtu, rto;
while (repeatCount++ < this._config.MtuRepeatMaxCount)
{
mtu = TransferParaManager.GetMtu(endPoint);
rto = TransferParaManager.GetRto(endPoint);
var ep = currentReqDataSchduleInfo.EndPostion - currentReqDataSchduleInfo.Postion;
if (mtu > ep)
{
mtu = (int)ep;
}
if (mtu <= 0)
{
break;
}
var reqMessage = new ResourceRequestMessage(reqDataSchduleInfoManager.NotifyMessage.Header.Rid, currentReqDataSchduleInfo.Postion, mtu);
var buffer = reqMessage.GenerateBuffer();
var eventHandleId = reqMessage.ContextId;
var eventHandleInfo = AutoEventWaitHandleManager.CreateEventWaitHandle(eventHandleId, reqDataSchduleInfoManager.NotifyMessage.Timeout);
try
{
//_ht[$"{reqMessage.Header.Rid}_{reqMessage.ContextId}"] = _watch.ElapsedMilliseconds;
this._net.Send(buffer, endPoint);
if (eventHandleInfo.EventWaitHandle.WaitOne(rto))
{
currentReqDataSchduleInfo.UpdatePostion(mtu);
if (currentReqDataSchduleInfo.IsTransferCompleted())
{
//Loger.Warn($"线程[{System.Threading.Thread.CurrentThread.Name}]传输[Rid:{reqDataSchduleInfoManager.NotifyMessage.Header.Rid}],[{currentReqDataSchduleInfo.BeginPostion}-{currentReqDataSchduleInfo.EndPostion}]完成");
}
}
else
{
TransferParaManager.RecordMtuAndRto(endPoint, mtu, rto, true);
mtu = TransferParaManager.AdjustDownMtu(endPoint);
rto = TransferParaManager.AdjustUpRto(endPoint);
}
}
finally
{
AutoEventWaitHandleManager.RemoveEventWaitHandle(eventHandleId);
eventHandleInfo.EventWaitHandle.Dispose();
}
}
}
private void SendTransferCompletedMessage(SendDataNotifyMessage notifyMessage)
{
var transferCompletedMessage = new TransferCompletedMessage(notifyMessage);
var buffer = transferCompletedMessage.GenerateBuffer();
var id = CacheKeyGenerator.GenerateWaitTransferCompletedAckMessageEventWaitHandleId(notifyMessage.Header.Rid);
var eventHandleInfo = AutoEventWaitHandleManager.CreateEventWaitHandle(id);
try
{
long beginTs = TimeEx.GetTimestamp();
long endTs = beginTs;
while (!notifyMessage.IsTimeout(beginTs, endTs))
{
try
{
int rto = TransferParaManager.GetRto(notifyMessage.SrcEndPoint);
this._net.Send(buffer, notifyMessage.SrcEndPoint);
if (eventHandleInfo.EventWaitHandle.WaitOne(rto))
{
break;
}
else
{
TransferParaManager.AdjustUpRto(notifyMessage.SrcEndPoint);
}
}
catch (SendDataException)
{
break;
}
catch (Exception ex)
{
Loger.Error(ex, "发送传输完成消息异常");
}
endTs = TimeEx.GetTimestamp();
}
}
finally
{
AutoEventWaitHandleManager.RemoveEventWaitHandle(id);
eventHandleInfo.EventWaitHandle.Dispose();
}
//注:如果一直都没有收到确认消息,则超时线程处理
}
