private void ProTransferCompleted(TransferCompletedMessage message)
{
var rid = message.Header.Rid;
string transferCompletedMessageCacheKey = CacheKeyGenerator.GenerateTransferCompletedMessageCacheKey(message);
const int revTransferCompletedMessageCacheExpire = 60000;
TransferSender sender;
if (this._senderDic.TryGetValue(rid, out sender))
{
sender.ProResourceCompleted();
MemoryCacheEx.Set(transferCompletedMessageCacheKey, rid, revTransferCompletedMessageCacheExpire);
this.SendTransferCompletedAckMessage(message);
}
else
{
if (MemoryCacheEx.Get(transferCompletedMessageCacheKey) == null)
{
//Loger.Warn($"未知的资源ID:{rid}");
}
else
{
MemoryCacheEx.Set(transferCompletedMessageCacheKey, rid, revTransferCompletedMessageCacheExpire);
this.SendTransferCompletedAckMessage(message);
}
}
}
private void SendTransferCompletedAckMessage(TransferCompletedMessage message)
{
try
{
var transferCompletedAckMessage = new TransferCompletedAckMessage(message);
byte[] buffer = transferCompletedAckMessage.GenerateBuffer();
this._net.Send(buffer, message.SrcEndPoint);
}
catch (Exception ex)
{
Loger.Error(ex, "发送TransferCompletedAckMessage异常");
}
}
private void SendTransferCompletedMessage(SendDataNotifyMessage notifyMessage)
{
var transferCompletedMessage = new TransferCompletedMessage(notifyMessage);
var buffer = transferCompletedMessage.GenerateBuffer();
var id = CacheKeyGenerator.GenerateWaitTransferCompletedAckMessageEventWaitHandleId(notifyMessage.Header.Rid);
var eventHandleInfo = AutoEventWaitHandleManager.CreateEventWaitHandle(id);
try
{
long beginTs = TimeEx.GetTimestamp();
long endTs = beginTs;
while (!notifyMessage.IsTimeout(beginTs, endTs))
{
try
{
int rto = TransferParaManager.GetRto(notifyMessage.SrcEndPoint);
this._net.Send(buffer, notifyMessage.SrcEndPoint);
if (eventHandleInfo.EventWaitHandle.WaitOne(rto))
{
break;
}
else
{
TransferParaManager.AdjustUpRto(notifyMessage.SrcEndPoint);
}
}
catch (SendDataException)
{
break;
}
catch (Exception ex)
{
Loger.Error(ex, "发送传输完成消息异常");
}
endTs = TimeEx.GetTimestamp();
}
}
finally
{
AutoEventWaitHandleManager.RemoveEventWaitHandle(id);
eventHandleInfo.EventWaitHandle.Dispose();
}
//注:如果一直都没有收到确认消息,则超时线程处理
}
/// <summary>
/// 创建
/// </summary>
/// <param name="transferCompletedMessage"></param>
public TransferCompletedAckMessage(TransferCompletedMessage transferCompletedMessage)
: base(new CommonHeader(TransferCommands.TransferCompletedAck, transferCompletedMessage.Header.Timestamp, transferCompletedMessage.Header.Rid))
{
}
public static string GenerateTransferCompletedMessageCacheKey(TransferCompletedMessage message)
{
return($"UDP_TransferCompletedMessageCacheKey_{message.Header.Rid}");
}