private void btnAdd_Click(object sender, RoutedEventArgs e)
{
try
{
if (this._firstAdd)
{
MemoryCacheEx.Add(1, TimeEx.GetTimestamp());
this._firstAdd = false;
}
MemoryCacheEx.Add(2, TimeEx.GetTimestamp(), this._expiration, this.CacheItemRemovedCallback);
MemoryCacheEx.Add(3, TimeEx.GetTimestamp(), TimeSpan.FromMilliseconds(this._expiration), this.CacheItemRemovedCallback);
MemoryCacheEx.Add(4, TimeEx.GetTimestamp(), (t) => { return((DateTimeOffset.Now - t.AddTime).TotalMilliseconds > this._expiration * 2); }, this.CacheItemRemovedCallback);
CacheItem cacheItem = new CacheItem(5, TimeEx.GetTimestamp());
cacheItem.AbsoluteExpiration = DateTimeOffset.Now.AddMilliseconds(this._expiration);
//cacheItem.SlidingExpiration = slidingExpiration;
//cacheItem.CustomerExpiration = customerExpiration;
cacheItem.RemovedCallback = this.CacheItemRemovedCallback;
//cacheItem.InnerRemovedCallback = true;
MemoryCacheEx.Add(cacheItem);
}
catch (Exception ex)
{
Loger.Error(ex);
}
}
public void Update(int mtu, int rto, bool isTimeout)
{
Timestamp = TimeEx.GetTimestamp();
HasValue = true;
this.IsTimeout = isTimeout;
Mtu = mtu;
Rto = rto;
}
/// <summary>
/// 创建
/// </summary>
/// <param name="rid"></param>
/// <param name="position"></param>
/// <param name="size"></param>
public ResourceRequestMessage(Int32 rid, Int64 position, Int32 size)
: base(new CommonHeader(TransferCommands.ResourceRequest, TimeEx.GetTimestamp(), rid))
{
this.ContextId = GUIDEx.GetGUIDHashCode();
this.Position = position;
this.Size = size;
}
private void SetValue(DotnetWinFormApp.DB.IStu stu, long id = -1)
{
if (id == -1)
{
id = TimeEx.GetTimestamp();
}
stu.ID = id;
stu.Age = _rnd.Next(0, 120);
stu.Name = "yf" + id;
//stu.Bir = new DateTime(1988, 11, 30, 2, 22, 45);
stu.Bir = DateTime.Now;
}
internal void ProResourceResponse(ResourceResponseMessage message, byte[] revData)
{
try
{
if (message.Size == ResourceResponseMessage.RESOURCE_NOT_EXIST)
{
//资源不存在,发送超时,将接收数据移除
Loger.Warn("请求资源不存在");
}
else
{
int mtu = message.Size + ResourceResponseMessage.HEAD_SIZE;
int rto = (int)(TimeEx.GetTimestamp() - message.Header.Timestamp);
TransferParaManager.RecordMtuAndRto(message.SrcEndPoint, mtu, rto, false);
ReceiveDataItem receiveDataItem;
if (this._revItemDic.TryGetValue(message.Header.Rid, out receiveDataItem))
{
//发送收到响应数据通知
EventWaitHandle eventHandle = AutoEventWaitHandleManager.GetEventWaitHandle(message.ContextId);
if (eventHandle != null)
{
try
{
receiveDataItem.UpdateLastAccessTimestamp();
if (message.Size == ResourceResponseMessage.RESOURCE_NOT_EXIST)
{
return;
}
receiveDataItem.Write(message.Position, revData, ResourceResponseMessage.HEAD_SIZE, message.Size);
eventHandle.Set();
}
catch (ObjectDisposedException)
{ }
}
}
else
{
//var tt = TimeEx.GetTimestamp();
//Loger.Warn($"未知的资源ID:{message.Header.Rid},[ContextId:{message.ContextId}],[请求响应时长:{tt - message.Header.Timestamp}],[请求数据Position:{message.Position},Size:{message.Size}],[线程:{Thread.CurrentThread.Name}]");
}
}
}
catch (Exception ex)
{
Loger.Error(ex, "ProResourceResponse发生异常");
}
}
private void btnSet_Click(object sender, RoutedEventArgs e)
{
MemoryCacheEx.Set(1, TimeEx.GetTimestamp());
MemoryCacheEx.Set(2, TimeEx.GetTimestamp(), this._expiration, this.CacheItemRemovedCallback);
MemoryCacheEx.Set(3, TimeEx.GetTimestamp(), TimeSpan.FromMilliseconds(this._expiration), this.CacheItemRemovedCallback);
MemoryCacheEx.Set(4, TimeEx.GetTimestamp(), (t) => { return((DateTimeOffset.Now - t.AddTime).TotalMilliseconds > this._expiration * 2); }, this.CacheItemRemovedCallback);
CacheItem cacheItem = new CacheItem(5, TimeEx.GetTimestamp());
cacheItem.AbsoluteExpiration = DateTimeOffset.Now.AddMilliseconds(this._expiration);
//cacheItem.SlidingExpiration = slidingExpiration;
//cacheItem.CustomerExpiration = customerExpiration;
cacheItem.RemovedCallback = this.CacheItemRemovedCallback;
//cacheItem.InnerRemovedCallback = true;
MemoryCacheEx.Set(cacheItem);
}
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>
/// 初始化文件流
/// </summary>
/// <param name="dir"></param>
/// <param name="fileName"></param>
protected void InitFileStream(string dir, string fileName)
{
if (string.IsNullOrWhiteSpace(fileName))
{
fileName = $"{TimeEx.GetTimestamp()}.dat";
}
string filePath = Path.Combine(dir, fileName);
this._filePath = filePath;
this._flag = false;
for (int i = 0; i < this._streamArr.Length; i++)
{
this._streamArr[i] = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write);
this._streams.Add(this._streamArr[i]);
}
}
/// <summary>
/// 创建
/// </summary>
/// <param name="resoucesInfo"></param>
public SendDataNotifyMessage(ResoucesInfo resoucesInfo)
: base(new CommonHeader(TransferCommands.SendNotify, TimeEx.GetTimestamp(), resoucesInfo.Rid))
{
this.Priority = resoucesInfo.Policy.Priority;
byte sendMode;
if (resoucesInfo.Length <= TransferConstant.MESSAGE_MAX_SIZE)
{
var data = new byte[resoucesInfo.Length];
Array.Copy(resoucesInfo.Data, resoucesInfo.Postion, data, 0, data.Length);
this.Data = data;
sendMode = ResourceTypeConstant.Message;
}
else
{
switch (resoucesInfo.ResoucesType)
{
case TransferDataType.Data:
sendMode = ResourceTypeConstant.ResourceData;
break;
case TransferDataType.Stream:
sendMode = ResourceTypeConstant.ResourceStream;
break;
case TransferDataType.File:
sendMode = ResourceTypeConstant.ResourceFile;
this.FileName = Path.GetFileName(resoucesInfo.FilePath);
break;
default:
throw new NotImplementedException($"未实现的资源类型:{resoucesInfo.ResoucesType.ToString()}");
}
}
this.ResourceType = sendMode;
this.Timeout = resoucesInfo.Policy.MillisecondsTimeout;
this.Size = resoucesInfo.Length;
}
public ConfigChildItem2(bool flag)
{
this.ID = TimeEx.GetTimestamp();
this.Bir = DateTime.Now;
}
/// <summary>
/// 创建
/// </summary>
/// <param name="sendDataNotifyMessage"></param>
public TransferCompletedMessage(SendDataNotifyMessage sendDataNotifyMessage)
: base(new CommonHeader(TransferCommands.TransferCompleted, TimeEx.GetTimestamp(), sendDataNotifyMessage.Header.Rid))
{
}
