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 ReqDataThreadMethod(ThreadExPara para)
{
const int reqDataThreadsEventHandleTimeout = 2000;
int currentThreadId = Thread.CurrentThread.ManagedThreadId;
var reqDataThreadsEventHandle = (AutoResetEvent)para.Para;
TransferReqDataSchduleInfoManager reqDataSchduleInfoManager = null;
TransferReqDataSchduleInfo currentReqDataSchduleInfo;
bool hasSendTransferCompletedMessageLock;
while (!para.Token.IsCancellationRequested)
{
try
{
//var watch = System.Diagnostics.Stopwatch.StartNew();
hasSendTransferCompletedMessageLock = this.GetReqDataSchduleInfo(currentThreadId, out reqDataSchduleInfoManager, out currentReqDataSchduleInfo);
//watch.Stop();
//if (reqDataSchduleInfoManager != null)
//{
// Loger.Warn($"RID[{reqDataSchduleInfoManager.NotifyMessage.Header.Rid}]GetReqDataSchduleInfo耗时{watch.Elapsed.Milliseconds}毫秒");
//}
if (hasSendTransferCompletedMessageLock)
{
this.SendTransferCompletedMessage(reqDataSchduleInfoManager.NotifyMessage);
}
else
{
if (reqDataSchduleInfoManager == null || currentReqDataSchduleInfo == null)
{
try
{
reqDataThreadsEventHandle.WaitOne(reqDataThreadsEventHandleTimeout);
}
catch (ObjectDisposedException)
{
break;
}
}
else
{
this.PrimitiveReqData(reqDataSchduleInfoManager, currentReqDataSchduleInfo);
}
}
}
catch (Exception ex)
{
Loger.Error(ex, "请求数据异常");
}
}
}
public bool AddReqDataSchduleInfoManager(TransferReqDataSchduleInfoManager reqDataSchduleInfoManager)
{
return(this._reqDataSchduleInfoManagerDic.TryAdd(reqDataSchduleInfoManager.NotifyMessage.Header.Rid, reqDataSchduleInfoManager));
}
private bool ProResourceMode(SendDataNotifyMessage message)
{
lock (this._revItemDicLock)
{
var rid = message.Header.Rid;
ReceiveDataItem receiveDataItem;
if (this._revItemDic.TryGetValue(rid, out receiveDataItem))
{
receiveDataItem.UpdateLastAccessTimestamp();
//Loger.Warn($"[RID:{rid}]的接收项已存在,忽略");
return(false);
}
if (MemoryCacheEx.Get(CacheKeyGenerator.GenerateRevTimeoutKey(rid)) != null)
{
//Loger.Warn($"[RID:{rid}]接收已超时,忽略");
return(false);
}
//Loger.Warn($"处理RID[{rid}]发送通知");
receiveDataItem = new ReceiveDataItem(message, this._config.LocalFileDirectory, this._config.TransferThreadCount);
if (!this._revItemDic.TryAdd(rid, receiveDataItem))
{
receiveDataItem.Close(true);
Loger.Error("this._revItemDic.TryAdd失败,原因未知");
return(false);
}
int millisecondsTimeout;
var revItemCount = this._revItemDic.Count;
if (revItemCount < 1)
{
millisecondsTimeout = message.Timeout / this._config.TimeoutHeartMul;
}
else
{
millisecondsTimeout = message.Timeout / (revItemCount * this._config.TimeoutHeartMul);
}
var reqDataSchduleInfoManager = new TransferReqDataSchduleInfoManager(message, this._reqDataThreads, millisecondsTimeout);
TransferResourceManager resourceTransferManager;
var priority = message.Priority;
if (this._priorityResourceTransferManagerSortedList.ContainsKey(priority))
{
resourceTransferManager = this._priorityResourceTransferManagerSortedList[priority];
}
else
{
lock (this._priorityResourceTransferManagerSortedListLock)
{
if (this._priorityResourceTransferManagerSortedList.ContainsKey(priority))
{
resourceTransferManager = this._priorityResourceTransferManagerSortedList[priority];
}
else
{
resourceTransferManager = new TransferResourceManager();
this._priorityResourceTransferManagerSortedList.Add(priority, resourceTransferManager);
}
}
}
if (resourceTransferManager.AddReqDataSchduleInfoManager(reqDataSchduleInfoManager))
{
this.SendReqDataThreadsEventHandleNotify();
return(true);
}
else
{
Loger.Error("AddReqDataSchduleInfoManager失败,原因未知");
if (!this._revItemDic.TryRemove(rid, out receiveDataItem))
{
receiveDataItem.Close(true);
}
return(false);
}
}
}
private bool GetReqDataSchduleInfo(int currentThreadId, out TransferReqDataSchduleInfoManager reqDataSchduleInfoManager, out TransferReqDataSchduleInfo currentReqDataSchduleInfo)
{
bool sendHeartFlag = false;
TransferResourceManager[] resourceTransferManagers;
lock (this._priorityResourceTransferManagerSortedListLock)
{
resourceTransferManagers = this._priorityResourceTransferManagerSortedList.Values.ToArray();
if (!this._priorityResourceTransferManagerSortedListHeartFlag)
{
this._priorityResourceTransferManagerSortedListHeartFlag = true;
sendHeartFlag = true;
}
}
if (sendHeartFlag)
{
//发送心跳数据包
this.SendHeartData(resourceTransferManagers);
//重置标识
this._priorityResourceTransferManagerSortedListHeartFlag = false;
}
//查找本次传输项
foreach (var resourceTransferManager in resourceTransferManagers)
{
reqDataSchduleInfoManager = resourceTransferManager.GetReqDataSchduleInfoManager();
if (reqDataSchduleInfoManager == null)
{
continue;
}
if (reqDataSchduleInfoManager.IsTransferCompleted())
{
if (reqDataSchduleInfoManager.GetSendTransferCompletedMessageLock())
{
currentReqDataSchduleInfo = null;
return(true);
}
else
{
continue;
}
}
else
{
currentReqDataSchduleInfo = reqDataSchduleInfoManager.GetReqDataSchduleInfo(currentThreadId);
if (currentReqDataSchduleInfo.IsTransferCompleted())
{
continue;
}
else
{
return(false);
}
}
}
reqDataSchduleInfoManager = null;
currentReqDataSchduleInfo = null;
return(false);
}
