public static void Send(IProtocolInfo info)
{
var messageThread = new Thread(() =>
{
try
{
// 遍历所有客户端
foreach (var clientPair in StudentDevices)
{
var studentClient = clientPair.Value;
//if (modifyInfoByClient != null)
//{
// modifyInfoByClient(clientPair);
//}
if (studentClient != null)
{
IPackageInfo package = DefaultPackageDealer.Seal(info);
TcpServer.SendAsync(studentClient, package.ToBytes());
}
}
}
catch (Exception ex)
{
logger.Error(ex);
}
});
messageThread.Start();
}
/// <summary>
/// 处理接收操作
/// 当一个异步接收操作完成时调用此方法
/// </summary>
/// <param name="receiveContext">与完成Receive操作关联的SocketAsyncEventArg对象</param>
private void ProcessReceive(SocketAsyncEventArgs receiveContext)
{
if (!IsSocketAlive(receiveContext))
{
return;
}
// BytesTransferred属性提供在可接收或发送数据的异步套接字操作传输的字节数。
// 如果从读取操作返回零，则说明远程端已关闭了连接
if (receiveContext.BytesTransferred > 0)
{
if (receiveContext.SocketError == SocketError.Success)
{
try
{
ITcpClientProxy dataHandler = receiveContext.UserToken as ITcpClientProxy;
//bool receiveComplete = dataHandler.ReceiveData(receiveContext);
List <IPackageInfo> packages = null;
bool receiveComplete = dataHandler.TryReceivePackages(receiveContext, out packages);
if (receiveComplete)
{
// 调用消息接收完毕事件
try
{
this.OnMessageReceived(receiveContext);
}
catch (Exception ex)
{
_logger.Error(ex.StackTrace);
}
// 返回响应消息
// review: 这里应该用TryReceivePackages返回的集合?
IPackageInfo response = dataHandler.ExchangedData as IPackageInfo;
if (response != null)
{
SendReuseAsync(dataHandler, response.ToBytes());
}
else if (this.Echo)
{
SendReuseAsync(dataHandler, dataHandler.LastReceivedBytes);
}
else
{
StartReceive(receiveContext);
}
//string exchnagedData = dataHandler.ExchangedData == null ? "" : dataHandler.ExchangedData.ToString();
////todo: 消息分段发送
//if (string.IsNullOrEmpty(exchnagedData) && this.Echo)
//{
// //dataHandler.Echo(receiveContext);
// //Send(dataHandler, dataHandler.LastMessage.Content);
// if (packages.Count > 0)
// {
// Send(dataHandler, packages[0].ToBytes());
// }
// //Send(dataHandler, packages[0].ToBytes());
//}
//else
//{
// //Send(dataHandler, exchnagedData);
//}
//dataHandler.PrepareOutgoingData(dataHandler.SendContext, exchnagedData);
//StartSend(dataHandler.SendContext);
}
else
{
// 如果没有读取完，继续接收下一段数据
StartReceive(receiveContext);
}
}
catch (Exception ex)
{
_logger.Error("Unexpected error:" + ex.StackTrace);
Console.WriteLine("Unexpected error:" + ex.StackTrace);
}
}
else
{
Console.WriteLine("Socket接受时错误, 代号:" + receiveContext.SocketError);
_logger.Error("Socket接受时错误, 代号:" + receiveContext.SocketError);
this.ProcessError(receiveContext);
}
}
else
{
// 如果远程端关闭了连接，这里也关闭Socket
Console.WriteLine("平板端关闭了连接.");
_logger.Error("平板端关闭了连接.");
this.ProcessError(receiveContext);
}
}
public bool Send(ITcpClientProxy target, IPackageInfo content)
{
return(Send(target, content.ToBytes()));
}