protected void EndReceive(IAsyncResult result)
{
SocketAsyncState state = (SocketAsyncState)result.AsyncState;
//接收到的数据
byte[] data = Handler.EndReceive(result);
//如果数据长度为0，则断开Socket连接
if (data.Length == 0)
{
Disconnected(true);
return;
}
//再次开始接收数据
Handler.BeginReceive(Stream, EndReceive, state);
//引发接收完成事件
if (ReceiveCompleted != null)
{
ReceiveCompleted(this, new SocketEventArgs(this, SocketAsyncOperation.Receive)
{
Data = data
});
}
}
/// <summary>
/// 连接至服务器。
/// </summary>
/// <param name="endpoint">服务器终结点。</param>
public void Connect(IPEndPoint endpoint)
{
//判断是否已连接
if (IsConnected)
{
throw new InvalidOperationException("已连接至服务器。");
}
if (endpoint == null)
{
throw new ArgumentNullException("endpoint");
}
//锁定自己，避免多线程同时操作
lock (this)
{
SocketAsyncState state = new SocketAsyncState();
//Socket异步连接
Socket.BeginConnect(endpoint, EndConnect, state).AsyncWaitHandle.WaitOne();
//等待异步全部处理完成
while (!state.Completed)
{
Thread.Sleep(1);
}
}
}
