protected virtual void Listenning()
{
while (true)
{
Thread.Sleep(200);
foreach (var keyValue in this._connections)
{
//心跳检测
if (!this.HeartbeatCheck(keyValue.Value))
{
Connection remConn;
this._connections.TryRemove(keyValue.Key, out remConn);
continue;
}
try
{
this.Receive(keyValue.Value); //接收数据
this.Send(keyValue.Value); //发送数据
}
catch (Exception ex)
{
keyValue.Value.NetworkStream.Close();
ConCloseMessagesEventArgs ce = new ConCloseMessagesEventArgs(keyValue.Value.ConnectionName, new ConcurrentQueue <Message>(keyValue.Value.messageQueue), ex);
this.OnConnectionClose(this, ce);
}
}
}
}
private void OnConnectionClose(object sender, ConCloseMessagesEventArgs e)
{
if (ConnectionClose != null)
{
this.ConnectionClose(sender, e);
}
}
/// <summary>
/// 触发连接关闭
/// </summary>
/// <param name="connectionName"></param>
/// <param name="messageQueue"></param>
/// <param name="ex"></param>
protected void connClose(string connectionName, List <Message> messageQueue, Exception ex)
{
ConCloseMessagesEventArgs ce = new ConCloseMessagesEventArgs(connectionName,
messageQueue, ex);
this.OnConnectionClose(this, ce);
}
/// <summary>
/// 心跳检测
/// </summary>
private bool HeartbeatCheck(Connection connection)
{
bool bol = false;
byte[] buffer = new Message(Message.CommandType.Seartbeat, "心跳包，可忽略").ToBytes();
try
{
lock (this)
{
connection.NetworkStream.Write(buffer, 0, buffer.Length);
bol = true;
}
}
catch (Exception ex) //连接已经断开
{
connection.NetworkStream.Close();
ConCloseMessagesEventArgs ce = new ConCloseMessagesEventArgs(connection.ConnectionName, new ConcurrentQueue <Message>(connection.messageQueue), ex);
this.OnConnectionClose(this, ce);
}
return(bol);
}