/// <summary>
/// Initializes a connection with SASL profile, open and open callback.
/// </summary>
/// <param name="address">The address.</param>
/// <param name="saslProfile">The SASL profile to do authentication (optional). If it is
/// null and address has user info, SASL PLAIN profile is used.</param>
/// <param name="open">The open frame to send (optional). If not null, all mandatory
/// fields must be set. Ensure that other fields are set to desired values.</param>
/// <param name="onOpened">The callback to handle remote open frame (optional).</param>
public Connection(Address address, SaslProfile saslProfile, Open open, OnOpened onOpened)
: this(DefaultMaxSessions, DefaultMaxFrameSize)
{
this.address = address;
this.onOpened = onOpened;
if (open != null)
{
this.maxFrameSize = open.MaxFrameSize;
this.channelMax = open.ChannelMax;
}
else
{
open = new Open()
{
ContainerId = Guid.NewGuid().ToString(),
HostName = this.address.Host,
MaxFrameSize = this.maxFrameSize,
ChannelMax = this.channelMax
};
}
this.Connect(saslProfile, open);
}
void Connect(SaslProfile saslProfile, Open open)
{
ITransport transport;
#if NETFX
if (WebSocketTransport.MatchScheme(address.Scheme))
{
WebSocketTransport wsTransport = new WebSocketTransport();
wsTransport.ConnectAsync(address).GetAwaiter().GetResult();
transport = wsTransport;
}
else
#endif
{
TcpTransport tcpTransport = new TcpTransport();
tcpTransport.Connect(this, this.address, DisableServerCertValidation);
transport = tcpTransport;
}
if (saslProfile != null)
{
transport = saslProfile.Open(this.address.Host, transport);
}
else if (this.address.User != null)
{
transport = new SaslPlainProfile(this.address.User, this.address.Password).Open(this.address.Host, transport);
}
this.transport = transport;
// after getting the transport, move state to open pipe before starting the pump
this.SendHeader();
this.SendOpen(open);
this.state = State.OpenPipe;
this.reader = new Pump(this);
this.reader.Start();
}
void Connect(SaslProfile saslProfile, Open open)
{
ITransport transport;
TcpTransport tcpTransport = new TcpTransport();
tcpTransport.Connect(this, this.address, DisableServerCertValidation);
transport = tcpTransport;
if (saslProfile != null)
{
transport = saslProfile.Open(this.address.Host, transport);
}
else if (this.address.User != null)
{
transport = new SaslPlainProfile(this.address.User, this.address.Password).Open(this.address.Host, transport);
}
this.transport = transport;
// after getting the transport, move state to open pipe before starting the pump
this.SendHeader();
this.SendOpen(open);
this.state = State.OpenPipe;
this.reader = new Pump(this);
this.reader.Start();
}
protected override DescribedList OnCommand(DescribedList command)
{
if (this.innerProfile == null)
{
if (command.Descriptor.Code == Codec.SaslInit.Code)
{
var init = (SaslInit)command;
SaslMechanism saslMechanism;
if (!this.listener.saslSettings.TryGetMechanism(init.Mechanism, out saslMechanism))
{
throw new AmqpException(ErrorCode.NotImplemented, init.Mechanism);
}
this.innerProfile = saslMechanism.CreateProfile();
}
else
{
throw new AmqpException(ErrorCode.NotAllowed, command.Descriptor.Name);
}
}
return this.innerProfile.OnCommandInternal(command);
}