void OnProtocolHeader(ByteBuffer buffer) { ProtocolHeader header = ProtocolHeader.Decode(buffer); Utils.Trace(TraceLevel.Info, "{0}: Received a protocol header {1}.", this, header); // Protocol id negotiation TransportProvider provider = null; if (!this.parent.settings.TryGetTransportProvider(header, out provider)) { Fx.Assert(provider != null, "At least on provider should be configured."); this.WriteReplyHeader(new ProtocolHeader(provider.ProtocolId, provider.DefaultVersion), true); return; } // Protocol version negotiation AmqpVersion version; if (!provider.TryGetVersion(header.Version, out version)) { this.WriteReplyHeader(new ProtocolHeader(provider.ProtocolId, version), true); return; } TransportBase newTransport = provider.CreateTransport(this.args.Transport, false); if (object.ReferenceEquals(newTransport, this.args.Transport)) { if ((this.parent.settings.RequireSecureTransport && !newTransport.IsSecure) || (!this.parent.settings.AllowAnonymousConnection && !newTransport.IsAuthenticated)) { Utils.Trace(TraceLevel.Warning, "{0}: Transport {1} does not meet the security requirement (isSecure:{2}, isAuthenticated:{3}).", this.parent, newTransport, newTransport.IsSecure, newTransport.IsAuthenticated); this.WriteReplyHeader(this.parent.settings.GetDefaultHeader(), true); } else { this.args.UserToken = header; this.parent.OnHandleTransportComplete(this.args); } } else { Utils.Trace(TraceLevel.Frame, "RECV {0}", header); Utils.Trace(TraceLevel.Verbose, "{0}: Upgrade transport {1} -> {2}.", this, this.args.Transport, newTransport); this.args.Transport = newTransport; this.WriteReplyHeader(header, false); } }
private void OnProtocolHeader(ByteBuffer buffer) { AmqpVersion amqpVersion; ProtocolHeader protocolHeader = new ProtocolHeader(); protocolHeader.Decode(buffer); MessagingClientEtwProvider.TraceClient <AmqpTransportListener.TransportHandler, ProtocolHeader>((AmqpTransportListener.TransportHandler source, ProtocolHeader detail) => MessagingClientEtwProvider.Provider.EventWriteAmqpLogOperation(source, TraceOperation.Receive, detail), this, protocolHeader); TransportProvider transportProvider = null; if (!this.parent.settings.TryGetTransportProvider(protocolHeader, out transportProvider)) { this.WriteReplyHeader(new ProtocolHeader(transportProvider.ProtocolId, transportProvider.DefaultVersion), true); return; } if (!transportProvider.TryGetVersion(protocolHeader.Version, out amqpVersion)) { this.WriteReplyHeader(new ProtocolHeader(transportProvider.ProtocolId, amqpVersion), true); return; } TransportBase transportBase = transportProvider.CreateTransport(this.args.Transport, false); if (!object.ReferenceEquals(transportBase, this.args.Transport)) { MessagingClientEtwProvider.TraceClient <AmqpTransportListener.TransportHandler, TransportBase, TransportBase>((AmqpTransportListener.TransportHandler source, TransportBase from, TransportBase to) => MessagingClientEtwProvider.Provider.EventWriteAmqpUpgradeTransport(source, from, to), this, this.args.Transport, transportBase); this.args.Transport = transportBase; this.WriteReplyHeader(protocolHeader, false); return; } if ((!this.parent.settings.RequireSecureTransport || transportBase.IsSecure) && (this.parent.settings.AllowAnonymousConnection || transportBase.IsAuthenticated)) { this.args.UserToken = protocolHeader; this.parent.OnHandleTransportComplete(this.args); return; } MessagingClientEtwProvider.TraceClient <AmqpTransportListener, TransportBase>((AmqpTransportListener source, TransportBase transport) => MessagingClientEtwProvider.Provider.EventWriteAmqpInsecureTransport(source, transport, transport.IsSecure, transport.IsAuthenticated), this.parent, transportBase); this.WriteReplyHeader(this.parent.settings.GetDefaultHeader(), true); }