async Task<AmqpSession> CreateSessionAsync(TimeSpan timeout)
        {
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
            this.refreshTokenTimer.Cancel();

            var amqpSettings = this.CreateAmqpSettings();
            TransportBase transport;
            if (this.useWebSocketOnly)
            {
                // Try only Amqp transport over WebSocket
                transport = await this.CreateClientWebSocketTransport(timeoutHelper.RemainingTime());
            }
            else
            {             
                var tlsTransportSettings = this.CreateTlsTransportSettings();
                var amqpTransportInitiator = new AmqpTransportInitiator(amqpSettings, tlsTransportSettings);
                try
                {
                    transport = await amqpTransportInitiator.ConnectTaskAsync(timeoutHelper.RemainingTime());
                }
                catch (Exception e)
                {
                    if (Fx.IsFatal(e))
                    {
                        throw;
                    }

                    // Amqp transport over TCP failed. Retry Amqp transport over WebSocket
                    if (timeoutHelper.RemainingTime() != TimeSpan.Zero)
                    {
                        transport = await this.CreateClientWebSocketTransport(timeoutHelper.RemainingTime());
                    }
                    else
                    {
                        throw;
                    }
                }
            }

            AmqpConnectionSettings amqpConnectionSettings = new AmqpConnectionSettings()
            {
                MaxFrameSize = AmqpConstants.DefaultMaxFrameSize,
                ContainerId = Guid.NewGuid().ToString("N"),
                HostName = this.connectionString.AmqpEndpoint.Host
            };

            var amqpConnection = new AmqpConnection(transport, amqpSettings, amqpConnectionSettings);
            await amqpConnection.OpenAsync(timeoutHelper.RemainingTime());

            var sessionSettings = new AmqpSessionSettings()
            {
                Properties = new Fields()
            };

            var amqpSession = amqpConnection.CreateSession(sessionSettings);
            await amqpSession.OpenAsync(timeoutHelper.RemainingTime());

            // This adds itself to amqpConnection.Extensions
            var cbsLink = new AmqpCbsLink(amqpConnection);
            await this.SendCbsTokenAsync(cbsLink, timeoutHelper.RemainingTime());
            return amqpSession;
        }
        async Task<AmqpSession> CreateSessionAsync(TimeSpan timeout)
        {
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
            this.refreshTokenTimer.Cancel();

            var amqpSettings = this.CreateAmqpSettings();
            var tlsTransportSettings = this.CreateTlsTransportSettings();

            var amqpTransportInitiator = new AmqpTransportInitiator(amqpSettings, tlsTransportSettings);
            var transport = await amqpTransportInitiator.ConnectTaskAsync(timeoutHelper.RemainingTime());

            AmqpConnectionSettings amqpConnectionSettings = new AmqpConnectionSettings()
            {
                MaxFrameSize = AmqpConstants.DefaultMaxFrameSize,
                ContainerId = Guid.NewGuid().ToString("N"),
                HostName = this.connectionString.AmqpEndpoint.Host
            };

            var amqpConnection = new AmqpConnection(transport, amqpSettings, amqpConnectionSettings);
            await amqpConnection.OpenAsync(timeoutHelper.RemainingTime());

            var sessionSettings = new AmqpSessionSettings()
            {
                Properties = new Fields()
            };

            var amqpSession = amqpConnection.CreateSession(sessionSettings);
            await amqpSession.OpenAsync(timeoutHelper.RemainingTime());

            // This adds itself to amqpConnection.Extensions
            var cbsLink = new AmqpCbsLink(amqpConnection);
            await this.SendCbsTokenAsync(cbsLink, timeoutHelper.RemainingTime());
            return amqpSession;
        }
        protected virtual async Task<AmqpSession> CreateSessionAsync(TimeSpan timeout)
        {
            this.OnCreateSession();

            var timeoutHelper = new TimeoutHelper(timeout);

            AmqpSettings amqpSettings = CreateAmqpSettings();
            TransportBase transport;

            switch (this.AmqpTransportSettings.GetTransportType())
            {
#if !WINDOWS_UWP
                case TransportType.Amqp_WebSocket_Only:
                    transport = await this.CreateClientWebSocketTransportAsync(timeoutHelper.RemainingTime());
                    break;
#endif
                case TransportType.Amqp_Tcp_Only:
                    TlsTransportSettings tlsTransportSettings = this.CreateTlsTransportSettings();
                    var amqpTransportInitiator = new AmqpTransportInitiator(amqpSettings, tlsTransportSettings);
                    transport = await amqpTransportInitiator.ConnectTaskAsync(timeoutHelper.RemainingTime());
                    break;
                default:
                    throw new InvalidOperationException("AmqpTransportSettings must specify WebSocketOnly or TcpOnly");
            }

            var amqpConnectionSettings = new AmqpConnectionSettings()
            {
                MaxFrameSize = AmqpConstants.DefaultMaxFrameSize,
                ContainerId = Guid.NewGuid().ToString("N"),
                HostName = this.hostName
            };

            var amqpConnection = new AmqpConnection(transport, amqpSettings, amqpConnectionSettings);
            await amqpConnection.OpenAsync(timeoutHelper.RemainingTime());

            var sessionSettings = new AmqpSessionSettings()
            {
                Properties = new Fields()
            };

            var amqpSession = amqpConnection.CreateSession(sessionSettings);
            await amqpSession.OpenAsync(timeoutHelper.RemainingTime());

            // This adds itself to amqpConnection.Extensions
            var cbsLink = new AmqpCbsLink(amqpConnection);
            return amqpSession;
        }
示例#4
0
        /// <summary>
        /// Opens a connection to the specified address.
        /// </summary>
        /// <param name="addressUri">The address Uri. User info is ignored.</param>
        /// <param name="saslHandler">The SASL handler which determines the SASL mechanism. Null means no SASL handshake.</param>
        /// <param name="timeout">The operation timeout.</param>
        /// <returns>An AMQP connection.</returns>
        public async Task <AmqpConnection> OpenConnectionAsync(Uri addressUri, SaslHandler saslHandler, TimeSpan timeout)
        {
            TransportSettings transportSettings;

            if (addressUri.Scheme.Equals(AmqpConstants.SchemeAmqp, StringComparison.OrdinalIgnoreCase))
            {
                transportSettings = new TcpTransportSettings()
                {
                    Host = addressUri.Host,
                    Port = addressUri.Port > -1 ? addressUri.Port : AmqpConstants.DefaultPort
                };
            }
            else if (addressUri.Scheme.Equals(AmqpConstants.SchemeAmqps, StringComparison.OrdinalIgnoreCase))
            {
                TcpTransportSettings tcpSettings = new TcpTransportSettings()
                {
                    Host = addressUri.Host,
                    Port = addressUri.Port > -1 ? addressUri.Port : AmqpConstants.DefaultSecurePort
                };

                var tls = new TlsTransportSettings(tcpSettings)
                {
                    TargetHost = addressUri.Host
                };
                TlsTransportProvider tlsProvider = this.settings.GetTransportProvider <TlsTransportProvider>();
                if (tlsProvider != null)
                {
                    tls.CertificateValidationCallback = tlsProvider.Settings.CertificateValidationCallback;
                    tls.CheckCertificateRevocation    = tlsProvider.Settings.CheckCertificateRevocation;
                    tls.Certificate = tlsProvider.Settings.Certificate;
                    tls.Protocols   = tlsProvider.Settings.Protocols;
                }

                transportSettings = tls;
            }
            else if (addressUri.Scheme.Equals(WebSocketTransportSettings.WebSockets, StringComparison.OrdinalIgnoreCase) ||
                     addressUri.Scheme.Equals(WebSocketTransportSettings.SecureWebSockets, StringComparison.OrdinalIgnoreCase))
            {
                transportSettings = new WebSocketTransportSettings()
                {
                    Uri = addressUri
                };
            }
            else
            {
                throw new NotSupportedException(addressUri.Scheme);
            }

            AmqpSettings settings = this.settings.Clone();

            settings.TransportProviders.Clear();

            if (saslHandler != null)
            {
                // Provider for "AMQP3100"
                SaslTransportProvider saslProvider = new SaslTransportProvider(AmqpVersion.V100);
                saslProvider.AddHandler(saslHandler);
                settings.TransportProviders.Add(saslProvider);
            }

            // Provider for "AMQP0100"
            AmqpTransportProvider amqpProvider = new AmqpTransportProvider(AmqpVersion.V100);

            settings.TransportProviders.Add(amqpProvider);

            AmqpTransportInitiator initiator = new AmqpTransportInitiator(settings, transportSettings);
            TransportBase          transport = await Task.Factory.FromAsync(
                (c, s) => initiator.BeginConnect(timeout, c, s),
                (r) => initiator.EndConnect(r),
                null).ConfigureAwait(false);

            try
            {
                AmqpConnectionSettings connectionSettings = new AmqpConnectionSettings()
                {
                    ContainerId = Guid.NewGuid().ToString(),
                    HostName    = addressUri.Host
                };

                AmqpConnection connection = new AmqpConnection(transport, settings, connectionSettings);
                await connection.OpenAsync(timeout).ConfigureAwait(false);

                return(connection);
            }
            catch
            {
                transport.Abort();
                throw;
            }
        }
        public async Task <AmqpConnection> OpenConnectionAsync(Uri addressUri, SaslHandler saslHandler, TimeSpan timeout)
        {
            TransportSettings transportSettings;

            if (addressUri.Scheme.Equals(AmqpConstants.SchemeAmqp, StringComparison.OrdinalIgnoreCase))
            {
                transportSettings = new TcpTransportSettings()
                {
                    Host = addressUri.Host,
                    Port = addressUri.Port > -1 ? addressUri.Port : AmqpConstants.DefaultPort
                };
            }
            else if (addressUri.Scheme.Equals(AmqpConstants.SchemeAmqps, StringComparison.OrdinalIgnoreCase))
            {
                TcpTransportSettings tcpSettings = new TcpTransportSettings()
                {
                    Host = addressUri.Host,
                    Port = addressUri.Port > -1 ? addressUri.Port : AmqpConstants.DefaultSecurePort
                };

                transportSettings = new TlsTransportSettings(tcpSettings)
                {
                    TargetHost = addressUri.Host
                };
            }
#if NET45
            else if (addressUri.Scheme.Equals(WebSocketTransport.WebSockets, StringComparison.OrdinalIgnoreCase) ||
                     addressUri.Scheme.Equals(WebSocketTransport.SecureWebSockets, StringComparison.OrdinalIgnoreCase))
            {
                transportSettings = new WebSocketTransportSettings()
                {
                    Uri = addressUri
                };
            }
#endif
            else
            {
                throw new NotSupportedException(addressUri.Scheme);
            }

            AmqpSettings settings = new AmqpSettings();

            if (saslHandler != null)
            {
                // Provider for "AMQP3100"
                SaslTransportProvider saslProvider = new SaslTransportProvider();
                saslProvider.Versions.Add(new AmqpVersion(1, 0, 0));
                saslProvider.AddHandler(saslHandler);
                settings.TransportProviders.Add(saslProvider);
            }

            // Provider for "AMQP0100"
            AmqpTransportProvider amqpProvider = new AmqpTransportProvider();
            amqpProvider.Versions.Add(new AmqpVersion(new Version(1, 0, 0, 0)));
            settings.TransportProviders.Add(amqpProvider);

            AmqpTransportInitiator initiator = new AmqpTransportInitiator(settings, transportSettings);
            TransportBase          transport = await Task.Factory.FromAsync(
                (c, s) => initiator.BeginConnect(timeout, c, s),
                (r) => initiator.EndConnect(r),
                null);

            try
            {
                AmqpConnectionSettings connectionSettings = new AmqpConnectionSettings()
                {
                    ContainerId = Guid.NewGuid().ToString(),
                    HostName    = addressUri.Host
                };

                AmqpConnection connection = new AmqpConnection(transport, settings, connectionSettings);
                await connection.OpenAsync(timeout);

                return(connection);
            }
            catch
            {
                transport.Abort();
                throw;
            }
        }
        async Task<AmqpSession> CreateSessionAsync(TimeSpan timeout)
        {
            var timeoutHelper = new TimeoutHelper(timeout);
            this.refreshTokenTimer.Cancel();

            AmqpSettings amqpSettings = this.CreateAmqpSettings();
            TlsTransportSettings tlsTransportSettings = this.CreateTlsTransportSettings();

            var amqpTransportInitiator = new AmqpTransportInitiator(amqpSettings, tlsTransportSettings);
            TransportBase transport;

            switch (this.amqpTransportSettings.GetTransportType())
            {
                case TransportType.Amqp_WebSocket_Only:
                transport = await this.CreateClientWebSocketTransport(timeoutHelper.RemainingTime());
                    break;
                case TransportType.Amqp_Tcp_Only:
                    transport = await amqpTransportInitiator.ConnectTaskAsync(timeoutHelper.RemainingTime());
                    break;
                default:
                    throw new InvalidOperationException("AmqpTransportSettings must specify WebSocketOnly or TcpOnly");
            }

            var amqpConnectionSettings = new AmqpConnectionSettings()
            {
                MaxFrameSize = AmqpConstants.DefaultMaxFrameSize,
                ContainerId = Guid.NewGuid().ToString("N"),
                HostName = this.connectionString.AmqpEndpoint.Host
            };

            var amqpConnection = new AmqpConnection(transport, amqpSettings, amqpConnectionSettings);
            await amqpConnection.OpenAsync(timeoutHelper.RemainingTime());

            var sessionSettings = new AmqpSessionSettings()
            {
                Properties = new Fields()
            };

            var amqpSession = amqpConnection.CreateSession(sessionSettings);
            await amqpSession.OpenAsync(timeoutHelper.RemainingTime());

            // This adds itself to amqpConnection.Extensions
            var cbsLink = new AmqpCbsLink(amqpConnection);
            await this.SendCbsTokenAsync(cbsLink, timeoutHelper.RemainingTime());
            return amqpSession;
        }