/// <summary>
/// OnCloseAll is summoned by the CloseAll event.
/// The method close the client handler.
/// </summary>
/// <param name="sender">the object that invoke the event</param>
public void OnCloseAll(object sender, EventArgs args)
{
m_client.Close();
// clear NewMessage event invocation list
NewMessage = null;
ClientClose.Invoke(this, null);
}
//关闭客户端
private void CloseClientSocket(SocketAsyncEventArgs e)
{
if (e.UserToken is UserToken token)
{
lock (ClientList)
{
ClientList.Remove(token);
}
// close the socket associated with the client
try
{
token.Socket.Shutdown(SocketShutdown.Send);
ClientClose?.Invoke(token);
}
catch (Exception ex)
{
Error?.Invoke(ex);
}
token.Socket.Close();
_maxNumberAcceptedClients.Release();
// Free the SocketAsyncEventArg so they can be reused by another client
e.UserToken = new UserToken();
_pool.Push(e);
}
}
/// <summary>
/// The method makes the HandleClient starts handle
/// the communication with the client.
/// </summary>
public void HandleClient()
{
// a communication task
Task task = new Task(() =>
{
using (NetworkStream stream = m_client.GetStream())
using (StreamReader reader = new StreamReader(stream))
{
// a loop that continue wile communication open
while (m_client.Connected)
{
try
{
// read incomming message or feedback
string commandLine = reader.ReadLine();
// invoke NewMessage event
NewMessage.Invoke(this, commandLine);
}
catch (Exception e)
{
break;
}
}
}
// close communication (if still open)
m_client.Close();
ClientClose.Invoke(this, null);
});
task.Start();
}
/// <summary>
/// The method makes the HandleClient starts handle
/// the communication with the client.
/// </summary>
public void HandleClient()
{
// a communication task
Task task = new Task(() =>
{
using (NetworkStream stream = m_client.GetStream())
using (BinaryReader reader = new BinaryReader(stream))
using (BinaryWriter writer = new BinaryWriter(stream))
{
// a loop that continue wile communication open
while (m_client.Connected)
{
try
{
// read incomming message or feedback
string commandLine = reader.ReadString();
// check if got a new message, or just feedback
if (commandLine != "ping")
{
// invoke NewMessage event
NewMessage.Invoke(this, commandLine);
}
lock (m_messages)
{
// check if there is a message to send
if ((m_messages == null) || (m_messages.Count <= 0))
{
writer.Write("ping"); // send ping for feedback
}
else
{
// send the message
writer.Write(m_messages[0]);
m_messages.RemoveAt(0);
}
}
writer.Flush();
}
catch (Exception)
{
break;
}
}
}
// close communication (if still open)
m_client.Close();
ClientClose.Invoke(this, null);
});
task.Start();
}
/// <summary>
/// OnCloseAll is summoned by the CloseAll event.
/// The method close the client handler.
/// </summary>
/// <param name="sender">the object that invoke the event</param>
public void OnCloseAll(object sender, EventArgs args)
{
m_client.Close();
ClientClose.Invoke(this, null);
}
