static void ConfigureWcfCountCommand(CommandLineApplication wcfCommand)
{
wcfCommand.RelayCommand("count", (countCommand) =>
{
countCommand.Description = "Get WCF Relay Count";
var connectionStringArgument = countCommand.Argument("connectionString", "Relay ConnectionString");
countCommand.OnExecute(async() =>
{
string connectionString = ConnectionStringUtility.ResolveConnectionString(connectionStringArgument);
if (string.IsNullOrEmpty(connectionString))
{
TraceMissingArgument(connectionStringArgument.Name);
countCommand.ShowHelp();
return(1);
}
var namespaceManager = NamespaceManager.CreateFromConnectionString(connectionString);
Uri namespaceUri = namespaceManager.Address;
string namespaceHost = namespaceUri.Host;
var tokenProvider = namespaceManager.Settings.TokenProvider;
RelayTraceSource.TraceVerbose($"Getting WcfRelay count for '{namespaceUri}");
int count = await NamespaceUtility.GetEntityCountAsync(namespaceUri, tokenProvider, "Relays");
RelayTraceSource.TraceInfo(string.Format($"{{0,-{namespaceHost.Length}}} {{1}}", "Namespace", "WcfRelayCount"));
RelayTraceSource.TraceInfo(string.Format($"{{0,-{namespaceHost.Length}}} {{1}}", namespaceHost, count));
return(0);
});
});
}
public EchoService()
{
IContextChannel channel = OperationContext.Current?.Channel;
this.trackingId = channel?.GetProperty <TrackingContext>()?.TrackingId;
RelayTraceSource.TraceVerbose($"{nameof(EchoService)} instance created. TrackingId:{this.trackingId}");
}
static async Task TestStreaming(HybridConnectionListener listener, RelayConnectionStringBuilder connectionString, TraceSource traceSource)
{
traceSource.TraceInformation("Testing Streaming (WebSocket) mode");
RunAcceptPump(listener);
var client = new HybridConnectionClient(connectionString.ToString());
var requestBytes = Encoding.UTF8.GetBytes("<data>Request payload from sender</data>");
HybridConnectionStream stream = await client.CreateConnectionAsync();
string connectionName = $"S:HybridConnectionStream({stream.TrackingContext.TrackingId})";
RelayTraceSource.TraceInfo($"{connectionName} initiated");
RunConnectionPump(stream, connectionName);
for (int i = 0; i < 2; i++)
{
await stream.WriteAsync(requestBytes, 0, requestBytes.Length);
RelayTraceSource.TraceVerbose($"{connectionName} wrote {requestBytes.Length} bytes");
}
using (var closeCts = new CancellationTokenSource(TimeSpan.FromSeconds(5)))
{
RelayTraceSource.TraceVerbose($"{connectionName} closing");
await stream.CloseAsync(closeCts.Token);
RelayTraceSource.TraceInfo($"{connectionName} closed");
}
await Task.Delay(TimeSpan.FromMilliseconds(100));
}
public static int VerifyListen(string connectionString, string path, Binding binding, ConnectivityMode connectivityMode, string response, ServiceThrottlingBehavior throttlingBehavior)
{
RelayTraceSource.TraceInfo($"Open relay listener using {binding.GetType().Name}, ConnectivityMode.{connectivityMode}...");
ServiceHost serviceHost = null;
try
{
var connectionStringBuilder = new ServiceBusConnectionStringBuilder(connectionString);
var tp = TokenProvider.CreateSharedAccessSignatureTokenProvider(connectionStringBuilder.SharedAccessKeyName, connectionStringBuilder.SharedAccessKey);
string relayNamespace = connectionStringBuilder.Endpoints.First().Host;
ServiceBusEnvironment.SystemConnectivity.Mode = connectivityMode;
EchoService.DefaultResponse = response;
if (!(binding is WebHttpRelayBinding))
{
serviceHost = new ServiceHost(typeof(EchoService));
}
else
{
serviceHost = new WebServiceHost(typeof(EchoService));
}
Type contractType = IsOneWay(binding) ? typeof(ITestOneway) : typeof(IEcho);
ServiceEndpoint endpoint = serviceHost.AddServiceEndpoint(contractType, binding, new Uri($"{binding.Scheme}://{relayNamespace}/{path}"));
var listenerActivityId = Guid.NewGuid();
RelayTraceSource.TraceVerbose($"Listener ActivityId:{listenerActivityId}");
endpoint.EndpointBehaviors.Add(new TransportClientEndpointBehavior(tp)
{
ActivityId = listenerActivityId
});
serviceHost.Description.Behaviors.Add(throttlingBehavior);
// Trace status changes
var connectionStatus = new ConnectionStatusBehavior();
connectionStatus.Connecting += (s, e) => RelayTraceSource.TraceException(connectionStatus.LastError, TraceEventType.Warning, "Relay listener Re-Connecting");
connectionStatus.Online += (s, e) => RelayTraceSource.Instance.TraceEvent(TraceEventType.Information, (int)ConsoleColor.Green, "Relay Listener is online");
EventHandler offlineHandler = (s, e) => RelayTraceSource.TraceException(connectionStatus.LastError, "Relay Listener is OFFLINE");
connectionStatus.Offline += offlineHandler;
endpoint.EndpointBehaviors.Add(connectionStatus);
serviceHost.Faulted += (s, e) => RelayTraceSource.TraceException(connectionStatus.LastError, "Relay listener ServiceHost Faulted");
serviceHost.Open();
RelayTraceSource.TraceInfo("Relay listener \"" + endpoint.Address.Uri + "\" is open");
RelayTraceSource.TraceInfo("Press <ENTER> to close the listener ");
Console.ReadLine();
RelayTraceSource.TraceInfo("Closing Connection...");
connectionStatus.Offline -= offlineHandler; // Avoid a spurious trace on expected shutdown.
serviceHost.Close();
RelayTraceSource.TraceInfo("Closed");
return(0);
}
catch (Exception)
{
serviceHost?.Abort();
throw;
}
}
void ITestOneway.Operation(DateTime start, string message)
{
string duration = string.Empty;
if (start != default)
{
duration = $"({(int)DateTime.UtcNow.Subtract(start).TotalMilliseconds}ms from start)";
}
RelayTraceSource.TraceInfo($"Listener received request: ITestOneway.Operation({message}) {duration}");
RelayTraceSource.TraceVerbose($"Request MessageId:{OperationContext.Current.IncomingMessageHeaders.MessageId}, TrackingId:{this.trackingId}");
}
public string Get(DateTime start, string message, TimeSpan delay)
{
string duration = string.Empty;
if (start != default)
{
duration = $"({(int)DateTime.UtcNow.Subtract(start).TotalMilliseconds}ms from start)";
}
RelayTraceSource.TraceInfo($"Listener received request: Get({message}) {duration}");
RelayTraceSource.TraceVerbose($"Request MessageId:{OperationContext.Current.IncomingMessageHeaders.MessageId}, TrackingId:{this.trackingId}");
if (delay != TimeSpan.Zero)
{
RelayTraceSource.TraceVerbose($"Request MessageId:{OperationContext.Current.IncomingMessageHeaders.MessageId} delaying for {delay}");
Thread.Sleep(delay);
}
return(DefaultResponse ?? DateTime.UtcNow.ToString("o"));
}
static async void RunConnectionPump(HybridConnectionStream stream, string connectionName, bool echoBytes = false)
{
try
{
var buffer = new byte[256];
while (true)
{
int read = await stream.ReadAsync(buffer, 0, buffer.Length);
RelayTraceSource.TraceVerbose($"{connectionName} received {read} bytes: \"{Encoding.UTF8.GetString(buffer, 0, read)}\"");
if (read == 0)
{
using (var cts = new CancellationTokenSource(TimeSpan.FromSeconds(10)))
{
RelayTraceSource.TraceVerbose($"{connectionName} closing");
await stream.CloseAsync(cts.Token);
RelayTraceSource.TraceInfo($"{connectionName} closed");
}
return;
}
if (echoBytes)
{
await stream.WriteAsync(buffer, 0, read);
RelayTraceSource.TraceVerbose($"{connectionName} echoed {read} bytes");
}
}
}
catch (Exception exception)
{
RelayTraceSource.TraceException(exception, nameof(RunConnectionPump));
}
}
public void Dispose()
{
RelayTraceSource.TraceVerbose($"{nameof(EchoService)} instance disposed. TrackingId:{this.trackingId}");
}
static int VerifySendCore <TChannel>(
string request, string relayNamespace, string path, int number, Binding binding, bool noClientAuth, ConnectivityMode connectivityMode, string keyName, string keyValue, TimeSpan requestDelay)
where TChannel : class, IClientChannel
{
ChannelFactory <TChannel> channelFactory = null;
TChannel channel = null;
try
{
ServiceBusEnvironment.SystemConnectivity.Mode = connectivityMode;
Uri address = new Uri($"{binding.Scheme}://{relayNamespace}/{path}");
if (binding is WebHttpRelayBinding)
{
channelFactory = new WebChannelFactory <TChannel>(binding, address);
}
else
{
channelFactory = new ChannelFactory <TChannel>(binding, new EndpointAddress(address));
}
var tp = TokenProvider.CreateSharedAccessSignatureTokenProvider(keyName, keyValue);
if (!noClientAuth)
{
channelFactory.Endpoint.EndpointBehaviors.Add(new TransportClientEndpointBehavior(tp));
}
RelayTraceSource.TraceVerbose("Sender opening channel factory");
var stopwatch = new Stopwatch();
stopwatch.Restart();
channelFactory.Open();
RelayTraceSource.TraceVerbose($"Sender opened channel factory in {stopwatch.ElapsedMilliseconds} ms");
channel = channelFactory.CreateChannel();
RelayTraceSource.TraceInfo("Sender opening channel");
using (new OperationContextScope(channel))
{
Guid trackingId = Guid.NewGuid();
RelayTraceSource.TraceVerbose($"Channel TrackingId:{trackingId}");
if (binding.MessageVersion.Addressing != AddressingVersion.None)
{
OperationContext.Current.OutgoingMessageHeaders.MessageId = new UniqueId(trackingId);
}
stopwatch.Restart();
channel.Open();
RelayTraceSource.TraceVerbose($"Sender opened channel in {stopwatch.ElapsedMilliseconds} ms");
RelayTraceSource.TraceVerbose($"Channel SessionId:{channel.SessionId}");
}
for (int i = 0; i < number; i++)
{
using (new OperationContextScope(channel))
{
var messageId = Guid.NewGuid();
RelayTraceSource.TraceVerbose($"Sending MessageId:{messageId}");
if (binding.MessageVersion.Addressing != AddressingVersion.None)
{
OperationContext.Current.OutgoingMessageHeaders.MessageId = new UniqueId(messageId);
}
stopwatch.Restart();
if (channel is IEchoClient echoChannel)
{
string response = echoChannel.Echo(DateTime.UtcNow, request, requestDelay);
RelayTraceSource.TraceInfo($"Sender received response: {response} ({stopwatch.ElapsedMilliseconds} ms)");
}
else if (channel is ITestOnewayClient onewayClient)
{
onewayClient.Operation(DateTime.UtcNow, request);
RelayTraceSource.TraceInfo($"Sender sent oneway request: {request} ({stopwatch.ElapsedMilliseconds} ms)");
}
else
{
throw new NotSupportedException($"Contract {typeof(TChannel)} is not supported");
}
}
}
RelayTraceSource.TraceInfo("Sender closing channel");
stopwatch.Restart();
channel.Close();
RelayTraceSource.TraceVerbose($"Sender closed channel in {stopwatch.ElapsedMilliseconds} ms");
channel = null;
RelayTraceSource.TraceVerbose("Sender closing channel factory");
stopwatch.Restart();
channelFactory.Close();
RelayTraceSource.TraceVerbose($"Sender closed channel factory in {stopwatch.ElapsedMilliseconds} ms");
channelFactory = null;
return(0);
}
finally
{
channel?.Abort();
channelFactory?.Abort();
}
}
internal static async Task VerifySendAsync(RelayConnectionStringBuilder connectionString, int number, string httpMethod, string requestData, TraceSource traceSource)
{
Uri hybridHttpUri = new Uri($"https://{connectionString.Endpoint.GetComponents(UriComponents.HostAndPort, UriFormat.SafeUnescaped)}/{connectionString.EntityPath}");
var tokenProvider = GetTokenProvider(connectionString);
if (string.Equals("WS", httpMethod, StringComparison.OrdinalIgnoreCase) ||
string.Equals("WEBSOCKET", httpMethod, StringComparison.OrdinalIgnoreCase))
{
var client = new HybridConnectionClient(connectionString.ToString());
var requestBytes = Encoding.UTF8.GetBytes(requestData ?? string.Empty);
HybridConnectionStream stream = await client.CreateConnectionAsync();
string connectionName = $"S:HybridConnectionStream({stream.TrackingContext.TrackingId})";
RelayTraceSource.TraceInfo($"{connectionName} initiated");
RunConnectionPump(stream, connectionName);
for (int i = 0; i < number; i++)
{
await stream.WriteAsync(requestBytes, 0, requestBytes.Length);
RelayTraceSource.TraceVerbose($"{connectionName} wrote {requestBytes.Length} bytes");
}
await Task.Delay(TimeSpan.FromSeconds(1));
using (var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5)))
{
RelayTraceSource.TraceVerbose($"{connectionName} closing");
await stream.CloseAsync(cts.Token);
RelayTraceSource.TraceInfo($"{connectionName} closed");
}
return;
}
string token = null;
if (tokenProvider != null)
{
token = (await tokenProvider.GetTokenAsync(hybridHttpUri.AbsoluteUri, TimeSpan.FromDays(2))).TokenString;
}
var stopwatch = new Stopwatch();
using (var client = new HttpClient {
BaseAddress = hybridHttpUri
})
{
client.DefaultRequestHeaders.ExpectContinue = false;
for (int i = 0; i < number; i++)
{
stopwatch.Restart();
var httpRequest = new HttpRequestMessage();
if (token != null)
{
httpRequest.Headers.Add("ServiceBusAuthorization", token);
}
httpRequest.Method = new HttpMethod(httpMethod);
if (requestData != null)
{
httpRequest.Content = new StringContent(requestData);
}
LogHttpRequest(httpRequest, client, traceSource);
using (HttpResponseMessage response = await client.SendAsync(httpRequest))
{
LogHttpResponse(response, traceSource);
}
traceSource.TraceInformation($"Elapsed: {stopwatch.ElapsedMilliseconds} ms");
}
}
}