void OnAccept(IAsyncResult ares)
{
Logger.Write(LogLevel.Debug, Strings.Server_Accepting);
T connection = default(T);
bool created = false;
lock (accept_lock) {
accepting = false;
}
try {
try {
Socket accepted = listen_socket.EndAccept(ares);
if (stopped)
{
Logger.Write(LogLevel.Debug, "Shutting down...");
accepted.Close();
return;
}
connection = serverCallback.OnAccept(accepted);
created = true;
lock (connections_lock)
connections.Add(connection);
connection.RequestReceived += RequestReceived;
} catch (System.Net.Sockets.SocketException e) {
Logger.Write(LogLevel.Error,
Strings.Server_AcceptFailed, e.Message);
if (e.ErrorCode == 10022)
{
Stop();
}
} catch (ObjectDisposedException) {
Logger.Write(LogLevel.Debug, Strings.Server_ConnectionClosed);
return; // Already done (e.g., shutdown)
}
if (CanAccept)
{
BeginAccept();
}
} catch (Exception e) {
Logger.Write(LogLevel.Error,
Strings.Server_AcceptFailed, e.Message);
throw;
}
if (!created)
{
return;
}
try {
connection.Run();
} catch (Exception e) {
Logger.Write(LogLevel.Error, Strings.Server_ConnectionFailed);
Logger.Write(e);
try {
// Upon catastrophic failure, forcefully stop
// all remaining connection activity, since no
// specific error-handling kicked in to rescue
// the connection or its requests and the
// connection's main loop has now terminated.
// This prevents abandoned FastCGI connections
// from staying open indefinitely.
EndConnection(connection);
Logger.Write(LogLevel.Debug, Strings.Server_ConnectionClosed);
} catch {
// Ignore at this point -- too bad
}
}
}
