private void OnSslAuthenticated(IAsyncResult ar)
{
try {
_sslStream.EndAuthenticateAsClient(ar);
_session = new TcpSession(_socket, _sslStream);
if (OnSessionConnected != null)
{
OnSessionConnected(_session);
}
_session.Start();
} catch (Exception e) {
try {
if (OnConnectionError != null)
{
OnConnectionError(e);
}
} catch (Exception) {
// ignored
}
Close();
}
}
private void ProcessConnect(IAsyncResult ar)
{
try {
_socket.EndConnect(ar);
if (_secureConnect)
{
string targetAddress = ((IPEndPoint)_socket.RemoteEndPoint).Address.ToString();
if (_certificates != null)
{
_sslStream = new SslStream(new NetworkStream(_socket, true), false, _certValidationCallback);
_sslStream.BeginAuthenticateAsClient(targetAddress,
_certificates, SslProtocols.Tls, false, OnSslAuthenticated, this);
}
else
{
_sslStream = new SslStream(new NetworkStream(_socket, true), false, AcceptServerCertificate);
_sslStream.BeginAuthenticateAsClient(targetAddress,
null, SslProtocols.Tls, false, OnSslAuthenticated, this);
}
}
else
{
_session = new TcpSession(_socket, new NetworkStream(_socket, true));
try {
if (OnSessionConnected != null)
{
OnSessionConnected(_session);
}
} catch (Exception) {
// ignored
}
_session.Start();
}
} catch (Exception e) {
try {
if (OnConnectionError != null)
{
OnConnectionError(e);
}
} catch (Exception) {
// ignored
}
Close();
}
}
private void OnClientAutenticated(IAsyncResult ar)
{
var sslConnection = (SslConnection)ar.AsyncState;
TcpSession session = null;
try {
sslConnection.SslStream.EndAuthenticateAsServer(ar);
session = new TcpSession(sslConnection.Socket, sslConnection.SslStream);
try {
if (OnClientConnected != null)
{
OnClientConnected(session);
}
} catch (Exception) {
// ignored
}
session.Start();
} catch (Exception e) {
try {
if (OnError != null)
{
OnError(e);
}
} catch (Exception) {
// ignored
}
if (session != null)
{
session.Close();
}
else
{
sslConnection.SslStream.Close();
sslConnection.Socket.Close();
}
}
}
private void OnClientAccepted(IAsyncResult ar)
{
var listener = (TcpListener)ar.AsyncState;
Socket socket = null;
TcpSession session = null;
SslConnection sslConnection = null;
try {
socket = listener.EndAcceptSocket(ar);
if (SecureServer)
{
sslConnection = new SslConnection
{
Socket = socket,
};
sslConnection.SslStream = new SslStream(
new NetworkStream(socket, true), false, CertificateValidationCallback);
sslConnection.SslStream.BeginAuthenticateAsServer(
ServerCertificate, ClientCertificateReqired,
SslProtocols.Tls, true, OnClientAutenticated,
sslConnection);
}
else
{
session = new TcpSession(socket, new NetworkStream(socket, true));
try {
if (OnClientConnected != null)
{
OnClientConnected(session);
}
} catch (Exception e) {
Console.WriteLine(e);
// ignored
}
session.Start();
}
} catch (Exception e) {
try {
if (OnError != null)
{
OnError(e);
}
} catch (Exception) {
// ignored
}
if (session != null)
{
session.Close();
}
else if (sslConnection != null)
{
if (sslConnection.SslStream != null)
{
sslConnection.SslStream.Close();
}
else
{
sslConnection.Socket.Close();
}
}
else if (socket != null)
{
socket.Close();
}
}
listener.BeginAcceptTcpClient(OnClientAccepted, listener);
}
