protected internal NSMessageProcessor(ConnectivitySettings connectivitySettings)
{
if (connectivitySettings.HttpPoll)
{
Processor = new HttpSocketMessageProcessor(connectivitySettings, new NSMessagePool());
}
else
{
Processor = new TcpSocketMessageProcessor(connectivitySettings, new NSMessagePool());
}
}
protected internal NSMessageProcessor(ConnectivitySettings connectivitySettings)
{
if (connectivitySettings.HttpPoll)
{
Processor = new HttpSocketMessageProcessor(connectivitySettings, new NSMessagePool());
}
else
{
Processor = new TcpSocketMessageProcessor(connectivitySettings, new NSMessagePool());
}
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="x"></param>
public ConnectivitySettings(ConnectivitySettings x)
: this(x.LocalHost, x.LocalPort, x.Host, x.Port, x.ProxyHost, x.Port, x.ProxyUsername, x.ProxyPassword, x.ProxyType, x.WebProxy)
{
}
private bool useLifespan; // Don't set lifespan until SignedIn
#endregion Fields
#region Constructors
public HttpSocketMessageProcessor(ConnectivitySettings connectivitySettings, MessagePool messagePool)
: base(connectivitySettings, messagePool)
{
gatewayIP = connectivitySettings.Host;
host = gatewayIP;
pollTimer.Elapsed += pollTimer_Elapsed;
pollTimer.AutoReset = true;
}
private static void ProcessDCRespInvite(SLPMessage message, NSMessageHandler ns, P2PSession startupSession)
{
MimeDictionary bodyValues = message.BodyValues;
// Check the protocol
if (bodyValues.ContainsKey("Bridge") &&
bodyValues["Bridge"].ToString() == "TCPv1" &&
bodyValues.ContainsKey("Listening") &&
bodyValues["Listening"].ToString().ToLowerInvariant().IndexOf("true") >= 0)
{
Contact remote = ns.ContactList.GetContactWithCreate(message.FromEmailAccount, IMAddressInfoType.WindowsLive);
Guid remoteGuid = message.FromEndPoint;
DCNonceType dcNonceType;
Guid remoteNonce = ParseDCNonce(message.BodyValues, out dcNonceType);
bool hashed = (dcNonceType == DCNonceType.Sha1);
Guid replyGuid = hashed ? remote.dcPlainKey : remoteNonce;
IPEndPoint[] selectedPoint = SelectIPEndPoint(bodyValues, ns);
if (selectedPoint != null && selectedPoint.Length > 0)
{
P2PVersion ver = message.P2PVersion;
// We must connect to the remote client
ConnectivitySettings settings = new ConnectivitySettings();
settings.EndPoints = selectedPoint;
remote.DirectBridge = CreateDirectConnection(remote, remoteGuid, ver, settings, replyGuid, remoteNonce, hashed, ns, startupSession);
bool needConnectingEndpointInfo;
if (bodyValues.ContainsKey("NeedConnectingEndpointInfo") &&
bool.TryParse(bodyValues["NeedConnectingEndpointInfo"], out needConnectingEndpointInfo) &&
needConnectingEndpointInfo == true)
{
IPEndPoint ipep = ((TCPv1Bridge)remote.DirectBridge).LocalEndPoint;
string desc = "stroPdnAsrddAlanretnI4vPI";
char[] rev = ipep.ToString().ToCharArray();
Array.Reverse(rev);
string ipandport = new string(rev);
SLPRequestMessage slpResponseMessage = new SLPRequestMessage(message.Source, MSNSLPRequestMethod.ACK);
slpResponseMessage.Source = message.Target;
slpResponseMessage.Via = message.Via;
slpResponseMessage.CSeq = 0;
slpResponseMessage.CallId = Guid.Empty;
slpResponseMessage.MaxForwards = 0;
slpResponseMessage.ContentType = @"application/x-msnmsgr-transdestaddrupdate";
slpResponseMessage.BodyValues[desc] = ipandport;
slpResponseMessage.BodyValues["Nat-Trav-Msg-Type"] = "WLX-Nat-Trav-Msg-Updated-Connecting-Port";
P2PMessage msg = new P2PMessage(ver);
msg.InnerMessage = slpResponseMessage;
ns.SDGBridge.Send(null, remote, remoteGuid, msg);
}
return;
}
}
if (startupSession != null)
startupSession.DirectNegotiationFailed();
}
private static TCPv1Bridge ListenForDirectConnection(
Contact remote,
Guid remoteGuid,
NSMessageHandler nsMessageHandler,
P2PVersion ver,
P2PSession startupSession,
IPAddress host, int port, Guid replyGuid, Guid remoteNonce, bool hashed)
{
ConnectivitySettings cs = new ConnectivitySettings();
if (nsMessageHandler.ConnectivitySettings.LocalHost == string.Empty)
{
cs.LocalHost = host.ToString();
cs.LocalPort = port;
}
else
{
cs.LocalHost = nsMessageHandler.ConnectivitySettings.LocalHost;
cs.LocalPort = nsMessageHandler.ConnectivitySettings.LocalPort;
}
TCPv1Bridge tcpBridge = new TCPv1Bridge(cs, ver, replyGuid, remoteNonce, hashed, startupSession, nsMessageHandler, remote, remoteGuid);
tcpBridge.Listen(IPAddress.Parse(cs.LocalHost), cs.LocalPort);
Trace.WriteLineIf(Settings.TraceSwitch.TraceInfo, "Listening on " + cs.LocalHost + ":" + cs.LocalPort.ToString(CultureInfo.InvariantCulture));
return tcpBridge;
}
private static TCPv1Bridge CreateDirectConnection(Contact remote, Guid remoteGuid, P2PVersion ver, ConnectivitySettings cs, Guid replyGuid, Guid remoteNonce, bool hashed, NSMessageHandler nsMessageHandler, P2PSession startupSession)
{
string[] points = new string[cs.EndPoints.Length];
for (int i = 0; i < points.Length; i++)
{
points[i] = cs.EndPoints[i].ToString();
}
TCPv1Bridge tcpBridge = new TCPv1Bridge(cs, ver, replyGuid, remoteNonce, hashed, startupSession, nsMessageHandler, remote, remoteGuid);
Trace.WriteLineIf(Settings.TraceSwitch.TraceInfo, "Trying to setup direct connection with remote hosts " + string.Join(",", points));
tcpBridge.Connect();
return tcpBridge;
}
/// <summary>
/// Called when a XFR command has been received.
/// </summary>
/// <remarks>
/// Indicates that the notification server has send us the location that we must switch to a new notification server.
/// <code>XFR 0 [NS] [*.gateway.edge.messenger.live.com:Port] [G] [D] [HopString]</code>
/// <code>XFR [Transaction] [NS] [IP:Port] [U] [D] [HopString]</code>
/// </remarks>
/// <param name="message"></param>
protected virtual void OnXFRReceived(NSMessage message)
{
if ((string)message.CommandValues[0] == "NS")
{
// switch to a new notification server. That means reconnecting our current message processor.
NSMessageProcessor processor = (NSMessageProcessor)MessageProcessor;
// set new connectivity settings
ConnectivitySettings newSettings = new ConnectivitySettings(processor.ConnectivitySettings);
// disconnect first
processor.Disconnect();
processor = null;
string[] hostAndPort = ((string)message.CommandValues[1]).Split(new char[] { ':' });
bool isGateway = message.CommandValues[2].ToString() == "G";
// Get hop count. Version: 1\r\nXfrCount: 2\r\n
if (message.CommandValues.Count >= 5)
{
string hopString = Encoding.ASCII.GetString(Convert.FromBase64String((string)message.CommandValues[4]));
Match m = Regex.Match(hopString, @"(\d+)").NextMatch();
if (m.Success)
{
hopCount = Convert.ToInt32(m.Value);
}
}
if (Settings.DisableHttpPolling && isGateway)
{
newSettings.HttpPoll = false;
newSettings.Host = ConnectivitySettings.DefaultHost;
newSettings.Port = ConnectivitySettings.DefaultPort;
}
else
{
newSettings.HttpPoll = isGateway;
newSettings.Host = hostAndPort[0];
newSettings.Port = int.Parse(hostAndPort[1], System.Globalization.CultureInfo.InvariantCulture);
}
// Register events and handler,
NSMessageProcessor mp = new NSMessageProcessor(newSettings);
this.MessageProcessor = mp;
mp.Connect(); // then reconnect. The login procedure will now start over again.
}
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="x"></param>
public ConnectivitySettings(ConnectivitySettings x)
: this(x.LocalHost, x.LocalPort, x.Host, x.Port, x.ProxyHost, x.Port, x.ProxyUsername, x.ProxyPassword, x.ProxyType, x.WebProxy)
{
}
public TcpSocketMessageProcessor(ConnectivitySettings connectivitySettings, MessagePool messagePool)
: base(connectivitySettings, messagePool)
{
}
protected SocketMessageProcessor(ConnectivitySettings connectivitySettings, MessagePool messagePool)
{
ConnectivitySettings = connectivitySettings;
MessagePool = messagePool;
}