// 发送请求数据包并得到响应包
//requestPackage:请求数据包
//timeoutSeconds:超时时间(单位：秒)，如果超时时间小于等于0，则超时时间为无限大
public ResponsePackage SendRequest(RequestPackage requestPackage, int timeoutSeconds)
{
String requestId = requestPackage.RequestId;
//发送Request包
if (!XiepIoHelper.SendPackage(_networkStream, requestPackage))
{
//发送失败
return(null);
}
lock (_mapRequestResponse)
{
_mapRequestResponse.Add(requestId, null);
}
DateTime startWaitResponseTime = DateTime.Now;
ResponsePackage responsePackage = null;
while (true)
{
lock (_mapRequestResponse)
{
responsePackage = _mapRequestResponse[requestId];
}
long usedSeconds = Convert.ToInt64((DateTime.Now - startWaitResponseTime).TotalSeconds);
if ( //如果已经得到响应包
responsePackage != null
//或者等待已经超时
|| usedSeconds > timeoutSeconds)
{
break;
}
Thread.Sleep(100);
}
//从等待字典中移除
lock (_mapRequestResponse)
{
if (_mapRequestResponse.ContainsKey(requestId))
{
_mapRequestResponse.Remove(requestId);
}
}
return(responsePackage);
}
private void receiveRequestThreadFunction(Object obj)
{
Socket socket = (Socket)obj;
IPEndPoint ipep = (IPEndPoint)socket.RemoteEndPoint;
//连接的IP地址
IPAddress remoteInetAddress = ipep.Address;
int remotePort = ipep.Port;
//客户端连接信息参数对象
ClientConnectionInfoArgs clientConnectionInfoArgs = new ClientConnectionInfoArgs(socket, remoteInetAddress, remotePort);
//是否在发送完响应后断开连接
Boolean isDisconnectWhenSendResponseFinish = false;
pushLog(String.Format("{0}:{1} 连接到服务器。", remoteInetAddress, remotePort));
try
{
//设置接受超时时间
socket.ReceiveTimeout = _heartBeatTimeout * 1000;
NetworkStream networkStream = new NetworkStream(socket);
ClientConnectedArgs clientConnectedArgs = new ClientConnectedArgs(clientConnectionInfoArgs);
//触发客户端连接事件
if (this.ClientConnected != null)
{
ClientConnected.Invoke(this, clientConnectedArgs);
}
if (!clientConnectedArgs.getIsAccept())
{
throw new Exception("此连接不被接受，已断开。");
}
if (clientConnectedArgs.getEventPackage() != null)
{
XiepIoHelper.SendPackage(networkStream, clientConnectedArgs.getEventPackage());
}
while (true)
{
//接收请求包的XML字符串
String xml = XiepIoHelper.ReceiveXml(networkStream);
if (xml == null)
{
throw new IOException("获取数据包字符串失败。");
}
//请求包
RequestPackage requestPackage = RequestPackage.fromXml(xml);
if (requestPackage == null)
{
throw new IOException("字符串转换为请求数据包时失败。");
}
//响应包
ResponsePackage responsePackage = null;
String requestName = requestPackage.Request;
//如果找到了对应的处理器
if (this._requestHandlerMap.ContainsKey(requestName))
{
responsePackage = this._requestHandlerMap[requestName].execute(clientConnectionInfoArgs, requestPackage);
}
//如果是客户端发来的心跳消息包
if (requestPackage.Request.Equals("XiepPing"))
{
}
else
{
ReceiveRequestArgs receiveRequestArgs = new ReceiveRequestArgs(clientConnectionInfoArgs, requestPackage);
receiveRequestArgs.setResponsePackage(responsePackage);
//触发接收到客户端请求事件
if (ReceiveRequest != null)
{
ReceiveRequest.Invoke(this, receiveRequestArgs);
}
responsePackage = receiveRequestArgs.getResponsePackage();
isDisconnectWhenSendResponseFinish = receiveRequestArgs.getIsDisconnectWhenSendResponseFinish();
//发送响应包
if (responsePackage != null)
{
//为响应数据包添加RequestId
responsePackage.RequestId = requestPackage.RequestId;
//发送响应包
if (!XiepIoHelper.SendPackage(networkStream, responsePackage))
{
pushLog("错误：发送响应包失败：" + remoteInetAddress + " | " + responsePackage);
}
//触发发送响应后事件
AfterSendResponseArgs afterSendResponseArgs = new AfterSendResponseArgs(clientConnectionInfoArgs, requestPackage, responsePackage);
if (AfterSendResponse != null)
{
AfterSendResponse.Invoke(this, afterSendResponseArgs);
}
if (isDisconnectWhenSendResponseFinish)
{
return;
}
}
}
}
}
catch { }
finally
{
//触发与客户端连接断开事件
if (ClientDisconnected != null)
{
ClientDisconnected.Invoke(this, clientConnectionInfoArgs);
}
lock (_connectedClientList)
{
_connectedClientList.Remove(socket);
}
try
{
socket.Close();
}
catch (Exception ex)
{
pushLog("关闭Socket时异常：" + ex.ToString());
}
}
}
// 发送事件包
public Boolean SendEvent(NetworkStream os, EventPackage eventPackage)
{
return(XiepIoHelper.SendPackage(os, eventPackage));
}