protected void OnAttachResponse(ILink sender, Attach attachResponse)
{
Tracer.InfoFormat("Attempting to close subscription {0}. Attach response {1}", this.Info.SubscriptionName, attachResponse);
this.remoteSource = attachResponse.Source as Amqp.Framing.Source;
if (this.remoteSource != null)
{
Tracer.InfoFormat("Found subscription {0} on remote with source {1}.", this.Info.SubscriptionName, this.remoteSource);
this.OnResponse();
}
}
/// <summary>
/// Initializes a receiver link.
/// </summary>
/// <param name="session">The session within which to create the link.</param>
/// <param name="name">The link name.</param>
/// <param name="source">The source on attach that specifies the message source.</param>
/// <param name="onAttached">The callback to invoke when an attach is received from peer.</param>
public ReceiverLink(Session session, string name, Source source, OnAttached onAttached)
: this(session, name, new Attach() { Source = source, Target = new Target() }, onAttached)
{
}
/// <summary>
/// Tests if this endpoint is capable of subscribing to and receiving message from the specified network address and AMQP source address.
/// </summary>
/// <param name="networkAddress">The network address of the target channel.</param>
/// <param name="address">The AMQP source address from which messages will be received.</param>
/// <param name="error">In the case of an error, returns information about the nature of the error.</param>
/// <param name="virtualHostName">The name of the virtual host at the destination endpoint. Default is null for default virtual host. For RabbitMQ broker, use format vhost:MYVHOST</param>
/// <param name="certificate">If secure amqps is being used, this property may optionally include the certificate that will be matched
/// against the server's certificate. Leave null if you do not wish to perform certificate matching (secure communications will still be established
/// using the server's certificate (if using amqps).</param>
/// <returns>A boolean value indicated whether or not the channel is valid.</returns>
public bool TestSubscribeChannel(Uri networkAddress, string address, out Exception error, string virtualHostName = null, X509Certificate certificate = null)
{
error = null;
Connection conn = null;
Session sess = null;
ReceiverLink link = null;
Exception ex = null;
try
{
Open o = new Open()
{
ContainerId = Guid.NewGuid().ToString(),
HostName = virtualHostName,
MaxFrameSize = (uint)AmqpCFXEndpoint.MaxFrameSize.Value
};
Amqp.Framing.Source source = new Amqp.Framing.Source()
{
Address = address,
Durable = AmqpCFXEndpoint.DurableReceiverSetting.Value
};
ConnectionFactory fact = new ConnectionFactory();
if (string.IsNullOrWhiteSpace(networkAddress.UserInfo))
{
fact.SASL.Profile = SaslProfile.Anonymous;
}
if (networkAddress.Scheme.ToUpper() == "AMQPS")
{
LastCertificate = certificate;
LastUri = networkAddress;
fact.SSL.RemoteCertificateValidationCallback = ValidateServerCertificate;
}
Task <Connection> tConn = fact.CreateAsync(new Address(networkAddress.ToString()), o);
tConn.Wait(3000);
if (tConn.Status != TaskStatus.RanToCompletion)
{
throw new Exception("Timeout");
}
conn = tConn.Result;
conn.Closed += (IAmqpObject s, Error e) => { if (e != null)
{
ex = new Exception(e.Description);
}
};
sess = new Session(conn);
sess.Closed += (IAmqpObject s, Error e) => { if (e != null)
{
ex = new Exception(e.Description);
}
};
if (ex != null)
{
throw ex;
}
link = new ReceiverLink(sess, address, source, null);
link.Closed += (IAmqpObject s, Error e) => { if (e != null)
{
ex = new Exception(e.Description);
}
};
link.Close();
Task.Delay(10).Wait();
if (ex != null)
{
throw ex;
}
}
catch (Exception ex2)
{
error = ex2;
Debug.WriteLine(ex2.Message);
}
finally
{
if (sess != null && !sess.IsClosed)
{
sess.CloseAsync();
}
if (conn != null && !conn.IsClosed)
{
conn.CloseAsync();
}
}
if (error == null)
{
return(true);
}
return(false);
}
