private void OnServerCall(object sender, SKServerEventArgs e)
{
if (e.type == SKMessage.mestype.TEXT)
{
SKServerTextEventArgs et = (SKServerTextEventArgs)e;
if (textBox1.InvokeRequired)
{
Action<SKMessage.textmes> textbox1act = (x) =>
{
textBox1.AppendText("\n");
textBox1.AppendText(x.name + " " + x.time.ToString() + "\n");
textBox1.AppendText(x.text);
};
textBox1.Invoke(textbox1act, et.text_pack);
}
c.SendResponse(1, e.ip, DateTime.Now);
}
else if (e.type == SKMessage.mestype.EXIT)
{
c.SendExit(1, e.ip, DateTime.Now);
}
}
private void communication(object RecvServer)
{
Socket c = (Socket)RecvServer;
c.ReceiveTimeout = 10 * 60 * 1000;//10min
c.ReceiveBufferSize = max_byte_once;
IPAddress this_ip = ((IPEndPoint)(c.RemoteEndPoint)).Address;
while (true)
{
server_lock.WaitOne();
if (!started)
{
server_communication_sockets.Remove(c);
if(c != null)
c.Close();
server_lock.ReleaseMutex();
break;
}
server_lock.ReleaseMutex();
//TODO(_SHADOWK) 并未添加上级主动停止某个ServerSocket工作的代码。
try
{
byte[] head = new byte[head_byte_size];
int len = c.Receive(head);
if(len == 0)
throw(new Exception());
if (len == head_byte_size && head[0] == head_2_bytes[0] && head[1] == head_2_bytes[1])
{
ulong len_then = (ulong)BitConverter.ToInt64(head, 2) - head_byte_size - end_byte_size;
byte[] then = new byte[len_then];
byte[] end = new byte[end_byte_size];
ulong len_recv = (ulong)c.Receive(then);
int end_recv = c.Receive(end);
if (len_recv != len_then || end_recv != end_byte_size || end[0] != end_2_bytes[0] || end[1] != end_2_bytes[1])
continue;
SKMessage.mestype type;
server_lock.WaitOne();
if (skmessage.decodemes(then, out type))
{
switch (type)
{
case SKMessage.mestype.EXIT:
{
SKServerEventArgs exit_event = new SKServerEventArgs();
exit_event.type = SKMessage.mestype.EXIT;
exit_event.ip = ((IPEndPoint)(c.RemoteEndPoint)).Address;
ServerCall(this, exit_event);
server_communication_sockets.Remove(c);
c.Close();
break;
}
case SKMessage.mestype.RESPONSE:
{
SKServerEventArgs response_event = new SKServerEventArgs();
response_event.type = SKMessage.mestype.RESPONSE;
response_event.ip = ((IPEndPoint)(c.RemoteEndPoint)).Address;
ServerCall(this, response_event);
break;
}
case SKMessage.mestype.TEXT:
{
SKServerTextEventArgs text_event = new SKServerTextEventArgs();
text_event.type = SKMessage.mestype.TEXT;
text_event.ip = ((IPEndPoint)(c.RemoteEndPoint)).Address;
text_event.text_pack = skmessage.get_last_text();
ServerCall(this, text_event);
break;
}
default:
{
break;
}
}
}
server_lock.ReleaseMutex();
}
}
catch (Exception e)//超时或Socket已关闭
{
server_lock.WaitOne();
SKServerEventArgs exit_event = new SKServerEventArgs();
exit_event.type = SKMessage.mestype.EXIT;
exit_event.ip = this_ip;
ServerCall(this, exit_event);
server_lock.ReleaseMutex();
if(c != null)
c.Close();
break;
}
}
}