private static NetworkDetector.ConnectivityStatus CheckTcpConnectivity(Uri baseAddress, out Exception exception)
{
NetworkDetector.ConnectivityStatus connectivityStatu = NetworkDetector.ConnectivityStatus.Unavailable;
exception = null;
if (!RelayEnvironment.GetEnvironmentVariable("RELAYFORCEHTTP", false) && !RelayEnvironment.GetEnvironmentVariable("RELAYFORCEHTTPS", false))
{
try
{
BinaryMessageEncodingBindingElement binaryMessageEncodingBindingElement = new BinaryMessageEncodingBindingElement();
TcpTransportBindingElement tcpTransportBindingElement = new TcpTransportBindingElement();
tcpTransportBindingElement.ConnectionPoolSettings.MaxOutboundConnectionsPerEndpoint = 100;
tcpTransportBindingElement.MaxReceivedMessageSize = (long)65536;
CustomBinding customBinding = new CustomBinding();
customBinding.Elements.Add(binaryMessageEncodingBindingElement);
customBinding.Elements.Add(tcpTransportBindingElement);
customBinding.OpenTimeout = TimeSpan.FromSeconds(10);
customBinding.SendTimeout = TimeSpan.FromSeconds(10);
customBinding.ReceiveTimeout = TimeSpan.MaxValue;
int num = 9350;
Uri uri = ServiceBusUriHelper.CreateServiceUri("net.tcp", string.Concat(baseAddress.DnsSafeHost, ":", num.ToString(CultureInfo.InvariantCulture)), "/");
IChannelFactory <IDuplexSessionChannel> channelFactory = null;
IDuplexSessionChannel duplexSessionChannel = null;
try
{
channelFactory = customBinding.BuildChannelFactory <IDuplexSessionChannel>(new object[0]);
channelFactory.Open();
duplexSessionChannel = channelFactory.CreateChannel(new EndpointAddress(uri, new AddressHeader[0]));
duplexSessionChannel.Open();
Message message = Message.CreateMessage(MessageVersion.Default, "http://schemas.microsoft.com/netservices/2009/05/servicebus/connect/OnewayPing", new OnewayPingMessage());
duplexSessionChannel.Send(message, customBinding.SendTimeout);
duplexSessionChannel.Close();
duplexSessionChannel = null;
channelFactory.Close();
channelFactory = null;
}
finally
{
if (duplexSessionChannel != null)
{
duplexSessionChannel.Abort();
}
if (channelFactory != null)
{
channelFactory.Abort();
}
}
connectivityStatu = NetworkDetector.ConnectivityStatus.Available;
}
catch (CommunicationException communicationException)
{
exception = communicationException;
}
catch (TimeoutException timeoutException)
{
exception = timeoutException;
}
}
NetworkDetector.LogResult(baseAddress, "Tcp", connectivityStatu);
return(connectivityStatu);
}
private static NetworkDetector.ConnectivityStatus CheckHttpsWebStreamConnectivity(Uri baseAddress, out Exception exception)
{
NetworkDetector.ConnectivityStatus connectivityStatu = NetworkDetector.ConnectivityStatus.Unavailable;
exception = null;
if (WebStream.IsSupportingScheme(ServiceBusUriHelper.CreateServiceUri("https", baseAddress.Authority, "/"), out exception))
{
connectivityStatu = NetworkDetector.ConnectivityStatus.Available;
}
NetworkDetector.LogResult(baseAddress, "https WebStream", connectivityStatu);
return(connectivityStatu);
}
protected override IEnumerator <IteratorAsyncResult <WebSocketRelayedConnectionListener.ConnectAsyncResult> .AsyncStep> GetAsyncSteps()
{
Uri uri = ServiceBusUriHelper.CreateServiceUri(Uri.UriSchemeHttps, this.Request.HttpsEndpoint.ToString(), "/");
ServiceBusClientWebSocket serviceBusClientWebSocket = new ServiceBusClientWebSocket("wsrelayedconnection");
yield return(base.CallAsync((WebSocketRelayedConnectionListener.ConnectAsyncResult thisPtr, TimeSpan t, AsyncCallback c, object s) => serviceBusClientWebSocket.BeginConnect(uri.Host, uri.Port, ConnectConstants.ConnectionInitiateTimeout, c, s), (WebSocketRelayedConnectionListener.ConnectAsyncResult thisPtr, IAsyncResult r) => serviceBusClientWebSocket.EndConnect(r), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
this.connection = new ClientWebSocketConnection(serviceBusClientWebSocket, this.relayedConnectionListener.bufferSize, this.relayedConnectionListener.uri, this.Activity);
this.message = Message.CreateMessage(this.relayedConnectionListener.messageHelper.MessageVersion, "RelayedAccept", new AcceptMessage(this.Request.Id));
this.message.Headers.To = EndpointAddress.AnonymousUri;
WebSocketRelayedConnectionListener.ConnectAsyncResult connectAsyncResult = this;
IteratorAsyncResult <WebSocketRelayedConnectionListener.ConnectAsyncResult> .BeginCall beginCall = (WebSocketRelayedConnectionListener.ConnectAsyncResult thisRef, TimeSpan t, AsyncCallback c, object s) => thisRef.relayedConnectionListener.messageHelper.BeginSendMessage(thisRef.connection, thisRef.message, t, c, s);
yield return(connectAsyncResult.CallAsync(beginCall, (WebSocketRelayedConnectionListener.ConnectAsyncResult thisRef, IAsyncResult r) => thisRef.relayedConnectionListener.messageHelper.EndSendMessage(r), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
IOThreadScheduler.ScheduleCallbackNoFlow(new Action <object>(this.relayedConnectionListener.BeginConnectCallback), this.connection);
}
internal static Uri CreateServiceUri(string scheme, string serviceNamespace, string hostName, string servicePath, bool suppressRelayPathPrefix)
{
string str;
if (string.IsNullOrEmpty(serviceNamespace))
{
str = hostName;
}
else
{
CultureInfo invariantCulture = CultureInfo.InvariantCulture;
object[] objArray = new object[] { serviceNamespace, hostName };
str = string.Format(invariantCulture, "{0}.{1}", objArray);
}
return(ServiceBusUriHelper.CreateServiceUri(scheme, str, servicePath, suppressRelayPathPrefix));
}
private static Uri CreateServiceUri(string scheme, string serviceNamespace, string servicePath, bool suppressRelayPathPrefix, string hostName)
{
string str = serviceNamespace.Trim();
ServiceBusEnvironment.ValidateSchemeAndNamespace(scheme, str);
if (!servicePath.EndsWith("/", StringComparison.Ordinal))
{
servicePath = string.Concat(servicePath, "/");
}
Uri uri = ServiceBusUriHelper.CreateServiceUri(scheme, str, hostName, servicePath, suppressRelayPathPrefix);
if (!ServiceBusUriHelper.IsSafeBasicLatinUriPath(uri))
{
throw new ArgumentException(SRClient.PathSegmentASCIICharacters, servicePath);
}
return(uri);
}
protected override IEnumerator <IteratorAsyncResult <WebStreamRelayedConnectionListener.ConnectAsyncResult> .AsyncStep> GetAsyncSteps()
{
Uri uri;
uri = (!this.relayedConnectionListener.useHttpsMode ? ServiceBusUriHelper.CreateServiceUri(Uri.UriSchemeHttp, this.Request.HttpEndpoint.ToString(), "/") : ServiceBusUriHelper.CreateServiceUri(Uri.UriSchemeHttps, this.Request.HttpsEndpoint.ToString(), "/"));
WebStream webStream = (new WebStream(uri, "connection", this.relayedConnectionListener.useHttpsMode, this.Activity, this.relayedConnectionListener.uri)).Open();
this.connection = new WebStreamConnection(uri, this.relayedConnectionListener.bufferSize, this.Activity, webStream, this.relayedConnectionListener.uri);
WebStreamRelayedConnectionListener.ConnectAsyncResult connectAsyncResult = this;
IteratorAsyncResult <WebStreamRelayedConnectionListener.ConnectAsyncResult> .BeginCall beginCall = (WebStreamRelayedConnectionListener.ConnectAsyncResult thisRef, TimeSpan t, AsyncCallback c, object s) => SecureSocketUtil.BeginInitiateSecureClientUpgradeIfNeeded(thisRef.connection, null, thisRef.relayedConnectionListener.socketSecurityMode, thisRef.relayedConnectionListener.uri.Host, t, c, s);
yield return(connectAsyncResult.CallAsync(beginCall, (WebStreamRelayedConnectionListener.ConnectAsyncResult thisRef, IAsyncResult r) => thisRef.connection = SecureSocketUtil.EndInitiateSecureClientUpgradeIfNeeded(r), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
this.message = Message.CreateMessage(this.relayedConnectionListener.messageHelper.MessageVersion, "RelayedAccept", new AcceptMessage(this.Request.Id));
this.message.Headers.To = EndpointAddress.AnonymousUri;
WebStreamRelayedConnectionListener.ConnectAsyncResult connectAsyncResult1 = this;
IteratorAsyncResult <WebStreamRelayedConnectionListener.ConnectAsyncResult> .BeginCall beginCall1 = (WebStreamRelayedConnectionListener.ConnectAsyncResult thisRef, TimeSpan t, AsyncCallback c, object s) => thisRef.relayedConnectionListener.messageHelper.BeginSendMessage(thisRef.connection, thisRef.message, t, c, s);
yield return(connectAsyncResult1.CallAsync(beginCall1, (WebStreamRelayedConnectionListener.ConnectAsyncResult thisRef, IAsyncResult r) => thisRef.relayedConnectionListener.messageHelper.EndSendMessage(r), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
IOThreadScheduler.ScheduleCallbackNoFlow(new Action <object>(this.relayedConnectionListener.BeginConnectCallback), this.connection);
}
private static NetworkDetector.ConnectivityStatus CheckHttpConnectivity(Uri baseAddress, out Exception exception)
{
NetworkDetector.ConnectivityStatus connectivityStatu = NetworkDetector.ConnectivityStatus.Unavailable;
exception = null;
try
{
Uri uri = ServiceBusUriHelper.CreateServiceUri("http", baseAddress.Authority, "/");
WebRequest webRequest = WebRequest.Create(uri);
webRequest.Method = "GET";
StreamReader streamReader = new StreamReader(webRequest.GetResponse().GetResponseStream());
using (streamReader)
{
streamReader.ReadToEnd();
}
connectivityStatu = NetworkDetector.ConnectivityStatus.Available;
}
catch (WebException webException)
{
exception = webException;
}
NetworkDetector.LogResult(baseAddress, "Http", connectivityStatu);
return(connectivityStatu);
}
internal static Uri CreateServiceUri(string scheme, string serviceNamespace, string hostName, string servicePath)
{
return(ServiceBusUriHelper.CreateServiceUri(scheme, serviceNamespace, hostName, servicePath, false));
}
internal static Uri CreateServiceUri(string scheme, string authority, string servicePath)
{
return(ServiceBusUriHelper.CreateServiceUri(scheme, authority, servicePath, false));
}
private static NetworkDetector.ConnectivityStatus CheckHttpWebStreamConnectivity(Uri baseAddress, out Exception exception)
{
NetworkDetector.ConnectivityStatus connectivityStatu = NetworkDetector.ConnectivityStatus.Unavailable;
exception = null;
if (!RelayEnvironment.GetEnvironmentVariable("RELAYFORCEHTTPS", false) && WebStream.IsSupportingScheme(ServiceBusUriHelper.CreateServiceUri("http", baseAddress.Authority, "/"), out exception))
{
connectivityStatu = NetworkDetector.ConnectivityStatus.Available;
}
NetworkDetector.LogResult(baseAddress, "Http WebStream", connectivityStatu);
return(connectivityStatu);
}