/// <summary>
/// Opens the connection
/// </summary>
/// <param name = "connectionString">The connection string used for authentication.</param>
public void Open(string connectionString)
{
if (state == XmppConnectionState.Open)
{
throw new XmppException("Connection must be closed first.");
}
try
{
// Initialization
Initialize();
// Build the connection string
this.connectionString = new XmppConnectionString(connectionString);
userId = this.connectionString.UserId;
// Connect to the server
if (this.connectionString.UseHttpBinding)
{
transport = new HttpTransport();
}
else
{
transport = new TcpTransport();
}
transportMessageSubscription = transport
.OnMessageReceived
.Subscribe(message => OnTransportMessageReceived(message));
transportStreamInitializedSubscription = transport
.OnXmppStreamInitialized
.Subscribe(message => OnTransportXmppStreamInitialized(message));
transportStreamClosedSubscription = transport
.OnXmppStreamClosed
.Subscribe(message => OnTransportXmppStreamClosed(message));
transport.Open(this.connectionString);
// Initialize XMPP Stream
InitializeXmppStream();
// Wait until we receive the Stream features
WaitForStreamFeatures();
if (transport is ISecureTransport)
{
if (this.connectionString.PortNumber != 443 &&
this.connectionString.PortNumber != 5223)
{
if (SupportsFeature(XmppStreamFeatures.SecureConnection))
{
((ISecureTransport) transport).OpenSecureConnection();
// Wait until we receive the Stream features
WaitForStreamFeatures();
}
}
}
// Perform authentication
bool authenticationDone = Authenticate();
if (authenticationDone)
{
// Resource Binding.
BindResource();
// Open the session
OpenSession();
// Update state
state = XmppConnectionState.Open;
}
}
catch (Exception ex)
{
if (AuthenticationFailiure != null)
{
AuthenticationFailiure(this, new XmppAuthenticationFailiureEventArgs(ex.ToString()));
}
Close();
}
}
/// <summary>
/// Closes the connection
/// </summary>
public void Close()
{
if (state != XmppConnectionState.Closed)
{
if (ConnectionClosing != null)
{
ConnectionClosing(this, new EventArgs());
}
try
{
state = XmppConnectionState.Closing;
if (transport != null)
{
transport.Close();
}
}
catch
{
}
finally
{
if (initializedStreamEvent != null)
{
initializedStreamEvent.Set();
initializedStreamEvent = null;
}
if (streamFeaturesEvent != null)
{
streamFeaturesEvent.Set();
streamFeaturesEvent = null;
}
if (bindResourceEvent != null)
{
bindResourceEvent.Set();
bindResourceEvent = null;
}
if (initializedStreamEvent != null)
{
initializedStreamEvent.Close();
initializedStreamEvent = null;
}
if (streamFeaturesEvent != null)
{
streamFeaturesEvent.Close();
streamFeaturesEvent = null;
}
if (bindResourceEvent != null)
{
bindResourceEvent.Close();
bindResourceEvent = null;
}
if (transportMessageSubscription != null)
{
transportMessageSubscription.Dispose();
transportMessageSubscription = null;
}
if (transportStreamInitializedSubscription != null)
{
transportStreamInitializedSubscription.Dispose();
transportStreamInitializedSubscription = null;
}
if (transportStreamClosedSubscription != null)
{
transportStreamClosedSubscription.Dispose();
transportStreamClosedSubscription = null;
}
if (transport != null)
{
transport = null;
}
streamFeatures = streamFeatures & (~streamFeatures);
state = XmppConnectionState.Closed;
connectionString = null;
userId = null;
}
if (ConnectionClosed != null)
{
ConnectionClosed(this, new EventArgs());
}
}
}
/// <summary>
/// Closes the connection
/// </summary>
public void Close()
{
if (state != XmppConnectionState.Closed)
{
if (ConnectionClosing != null)
{
ConnectionClosing(this, new EventArgs());
}
try
{
state = XmppConnectionState.Closing;
if (transport != null)
{
transport.Close();
}
}
catch
{
}
finally
{
if (initializedStreamEvent != null)
{
initializedStreamEvent.Set();
initializedStreamEvent = null;
}
if (streamFeaturesEvent != null)
{
streamFeaturesEvent.Set();
streamFeaturesEvent = null;
}
if (bindResourceEvent != null)
{
bindResourceEvent.Set();
bindResourceEvent = null;
}
if (initializedStreamEvent != null)
{
initializedStreamEvent.Close();
initializedStreamEvent = null;
}
if (streamFeaturesEvent != null)
{
streamFeaturesEvent.Close();
streamFeaturesEvent = null;
}
if (bindResourceEvent != null)
{
bindResourceEvent.Close();
bindResourceEvent = null;
}
if (transportMessageSubscription != null)
{
transportMessageSubscription.Dispose();
transportMessageSubscription = null;
}
if (transportStreamInitializedSubscription != null)
{
transportStreamInitializedSubscription.Dispose();
transportStreamInitializedSubscription = null;
}
if (transportStreamClosedSubscription != null)
{
transportStreamClosedSubscription.Dispose();
transportStreamClosedSubscription = null;
}
if (transport != null)
{
transport = null;
}
streamFeatures = streamFeatures & (~streamFeatures);
state = XmppConnectionState.Closed;
connectionString = null;
userId = null;
}
if (ConnectionClosed != null)
{
ConnectionClosed(this, new EventArgs());
}
}
}
/// <summary>
/// Opens the connection
/// </summary>
/// <param name = "connectionString">The connection string used for authentication.</param>
public void Open(string connectionString)
{
if (state == XmppConnectionState.Open)
{
throw new XmppException("Connection must be closed first.");
}
try
{
// Initialization
Initialize();
// Build the connection string
this.connectionString = new XmppConnectionString(connectionString);
userId = this.connectionString.UserId;
// Connect to the server
if (this.connectionString.UseHttpBinding)
{
transport = new HttpTransport();
}
else
{
transport = new TcpTransport();
}
transportMessageSubscription = transport
.OnMessageReceived
.Subscribe(message => OnTransportMessageReceived(message));
transportStreamInitializedSubscription = transport
.OnXmppStreamInitialized
.Subscribe(message => OnTransportXmppStreamInitialized(message));
transportStreamClosedSubscription = transport
.OnXmppStreamClosed
.Subscribe(message => OnTransportXmppStreamClosed(message));
transport.Open(this.connectionString);
// Initialize XMPP Stream
InitializeXmppStream();
// Wait until we receive the Stream features
WaitForStreamFeatures();
if (transport is ISecureTransport)
{
if (this.connectionString.PortNumber != 443 &&
this.connectionString.PortNumber != 5223)
{
if (SupportsFeature(XmppStreamFeatures.SecureConnection))
{
((ISecureTransport)transport).OpenSecureConnection();
// Wait until we receive the Stream features
WaitForStreamFeatures();
}
}
}
// Perform authentication
bool authenticationDone = Authenticate();
if (authenticationDone)
{
// Resource Binding.
BindResource();
// Open the session
OpenSession();
// Update state
state = XmppConnectionState.Open;
}
}
catch (Exception ex)
{
if (AuthenticationFailiure != null)
{
AuthenticationFailiure(this, new XmppAuthenticationFailiureEventArgs(ex.ToString()));
}
Close();
}
}