public async Task Integration_KeepAlive()
{
// TODO: Transform this test into a theory and do multi-message, multi-thread, multi-client, etc.
var logger = XUnitLogger.CreateLogger(_outputHelper);
var cts = new CancellationTokenSource();
using (var webSocketFeature = new TestWebSocketConnectionFeature())
{
// Bot / server setup
var botRequestHandler = new Mock <RequestHandler>();
botRequestHandler
.Setup(r => r.ProcessRequestAsync(It.IsAny <ReceiveRequest>(), null, null, CancellationToken.None))
.ReturnsAsync(() => new StreamingResponse()
{
StatusCode = 200
});
var socket = await webSocketFeature.AcceptAsync().ConfigureAwait(false);
var connection = new WebSocketStreamingConnection(socket, logger);
var serverTask = connection.ListenAsync(botRequestHandler.Object, cts.Token);
// Client / channel setup
var clientRequestHandler = new Mock <RequestHandler>();
clientRequestHandler
.Setup(r => r.ProcessRequestAsync(It.IsAny <ReceiveRequest>(), null, null, CancellationToken.None))
.ReturnsAsync(() => new StreamingResponse()
{
StatusCode = 200
});
var client = new WebSocketClient(webSocketFeature.Client, "wss://test", clientRequestHandler.Object, logger: logger, closeTimeOut: TimeSpan.FromSeconds(10), keepAlive: TimeSpan.FromMilliseconds(200));
var clientTask = client.ConnectInternalAsync(CancellationToken.None);
// Send request bot (server) -> channel (client)
const string path = "api/version";
const string botToClientPayload = "Hello human, I'm Bender!";
var request = StreamingRequest.CreatePost(path, new StringContent(botToClientPayload));
var responseFromClient = await connection.SendStreamingRequestAsync(request).ConfigureAwait(false);
Assert.Equal(200, responseFromClient.StatusCode);
const string clientToBotPayload = "Hello bot, I'm Calculon!";
var clientRequest = StreamingRequest.CreatePost(path, new StringContent(clientToBotPayload));
// Send request bot channel (client) -> (server)
var clientToBotResult = await client.SendAsync(clientRequest).ConfigureAwait(false);
Assert.Equal(200, clientToBotResult.StatusCode);
await Task.Delay(TimeSpan.FromSeconds(3)).ConfigureAwait(false);
Assert.True(client.IsConnected);
}
}
public async Task <Activity> ForwardToSkillAsync(SkillManifest skillManifest, IServiceClientCredentials serviceClientCredentials, ITurnContext turnContext, Activity activity, Action <Activity> tokenRequestHandler = null, Action <Activity> fallbackHandler = null)
{
if (_streamingTransportClient == null)
{
// establish websocket connection
_streamingTransportClient = new WebSocketClient(
EnsureWebSocketUrl(skillManifest.Endpoint.ToString()),
new SkillCallingRequestHandler(
turnContext,
_botTelemetryClient,
GetTokenCallback(turnContext, tokenRequestHandler),
GetFallbackCallback(turnContext, fallbackHandler),
GetHandoffActivityCallback()));
}
// acquire AAD token
MicrosoftAppCredentials.TrustServiceUrl(skillManifest.Endpoint.AbsoluteUri);
var token = await serviceClientCredentials.GetTokenAsync();
// put AAD token in the header
var headers = new Dictionary <string, string>();
headers.Add("Authorization", $"Bearer {token}");
await _streamingTransportClient.ConnectAsync(headers);
// set recipient to the skill
var recipientId = activity.Recipient.Id;
activity.Recipient.Id = skillManifest.MSAappId;
// Serialize the activity and POST to the Skill endpoint
var body = new StringContent(JsonConvert.SerializeObject(activity, SerializationSettings.BotSchemaSerializationSettings), Encoding.UTF8, SerializationSettings.ApplicationJson);
var request = StreamingRequest.CreatePost(string.Empty, body);
// set back recipient id to make things consistent
activity.Recipient.Id = recipientId;
var stopWatch = new System.Diagnostics.Stopwatch();
stopWatch.Start();
await _streamingTransportClient.SendAsync(request);
stopWatch.Stop();
_botTelemetryClient.TrackEvent(
"SkillWebSocketTurnLatency",
new Dictionary <string, string>
{
{ "SkillName", skillManifest.Name },
{ "SkillEndpoint", skillManifest.Endpoint.ToString() },
},
new Dictionary <string, double>
{
{ "Latency", stopWatch.ElapsedMilliseconds },
});
return(_handoffActivity);
}
public void Request_Create_Post_Success()
{
var r = StreamingRequest.CreatePost();
Assert.AreEqual(StreamingRequest.POST, r.Verb);
Assert.IsNull(r.Path);
Assert.IsNull(r.Streams);
}
public async Task Integration_Interop_LegacyClient()
{
// TODO: Transform this test into a theory and do multi-message, multi-thread, multi-client, etc.
var logger = XUnitLogger.CreateLogger(_outputHelper);
using (var webSocketFeature = new TestWebSocketConnectionFeature())
{
// Bot / server setup
var botRequestHandler = new Mock <RequestHandler>();
botRequestHandler
.Setup(r => r.ProcessRequestAsync(It.IsAny <ReceiveRequest>(), null, null, CancellationToken.None))
.ReturnsAsync(() => new StreamingResponse()
{
StatusCode = 200
});
var socket = await webSocketFeature.AcceptAsync().ConfigureAwait(false);
var connection = new WebSocketStreamingConnection(socket, logger);
var serverTask = Task.Run(() => connection.ListenAsync(botRequestHandler.Object));
// Client / channel setup
var clientRequestHandler = new Mock <RequestHandler>();
clientRequestHandler
.Setup(r => r.ProcessRequestAsync(It.IsAny <ReceiveRequest>(), null, null, CancellationToken.None))
.ReturnsAsync(() => new StreamingResponse()
{
StatusCode = 200
});
using (var client = new Microsoft.Bot.Streaming.Transport.WebSockets.WebSocketClient("wss://test", clientRequestHandler.Object))
{
await client.ConnectInternalAsync(webSocketFeature.Client).ConfigureAwait(false);
// Send request bot (server) -> channel (client)
const string path = "api/version";
const string botToClientPayload = "Hello human, I'm Bender!";
var request = StreamingRequest.CreatePost(path, new StringContent(botToClientPayload));
var responseFromClient = await connection.SendStreamingRequestAsync(request).ConfigureAwait(false);
Assert.Equal(200, responseFromClient.StatusCode);
const string clientToBotPayload = "Hello bot, I'm Calculon!";
var clientRequest = StreamingRequest.CreatePost(path, new StringContent(clientToBotPayload));
// Send request bot channel (client) -> (server)
var clientToBotResult = await client.SendAsync(clientRequest).ConfigureAwait(false);
Assert.Equal(200, clientToBotResult.StatusCode);
client.Disconnect();
}
await serverTask.ConfigureAwait(false);
}
}
private void RunStreamingCrashTest(Action <WebSocket, TestWebSocketConnectionFeature.WebSocketChannel, WebSocketClient, CancellationTokenSource, CancellationTokenSource> induceCrash)
{
var logger = XUnitLogger.CreateLogger(_testOutput);
var serverCts = new CancellationTokenSource();
var clientCts = new CancellationTokenSource();
using (var connection = new TestWebSocketConnectionFeature())
{
var webSocket = connection.AcceptAsync().Result;
var clientWebSocket = connection.Client;
var bot = new StreamingTestBot((turnContext, cancellationToken) => Task.CompletedTask);
var server = new CloudAdapter(new StreamingTestBotFrameworkAuthentication(), logger);
var serverRunning = server.ProcessAsync(CreateWebSocketUpgradeRequest(webSocket), new Mock <HttpResponse>().Object, bot, serverCts.Token);
var clientRequestHandler = new Mock <RequestHandler>();
clientRequestHandler
.Setup(h => h.ProcessRequestAsync(It.IsAny <ReceiveRequest>(), It.IsAny <ILogger <RequestHandler> >(), It.IsAny <object>(), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult(StreamingResponse.OK()));
using (var client = new WebSocketClient("wss://test", clientRequestHandler.Object, logger: logger))
{
var clientRunning = client.ConnectInternalAsync(clientWebSocket, clientCts.Token);
var activity = new Activity
{
Id = Guid.NewGuid().ToString("N"),
Type = ActivityTypes.Message,
From = new ChannelAccount {
Id = "testUser"
},
Conversation = new ConversationAccount {
Id = Guid.NewGuid().ToString("N")
},
Recipient = new ChannelAccount {
Id = "testBot"
},
ServiceUrl = "wss://InvalidServiceUrl/api/messages",
ChannelId = "test",
Text = "hi"
};
var content = new StringContent(JsonConvert.SerializeObject(activity), Encoding.UTF8, "application/json");
var response = client.SendAsync(StreamingRequest.CreatePost("/api/messages", content)).Result;
Assert.Equal(200, response.StatusCode);
induceCrash(webSocket, clientWebSocket, client, serverCts, clientCts);
clientRunning.Wait();
Assert.True(clientRunning.IsCompletedSuccessfully);
}
serverRunning.Wait();
Assert.True(serverRunning.IsCompletedSuccessfully);
}
}
/// <summary>
/// Creates a new conversation on the service.
/// Throws <see cref="ArgumentNullException"/> if parameters is null.
/// </summary>
/// <param name="parameters">The parameters to use when creating the service.</param>
/// <param name="cancellationToken">Optional cancellation token.</param>
/// <returns>A task that represents the work queued to execute.</returns>
public async Task <ConversationResourceResponse> PostConversationAsync(ConversationParameters parameters, CancellationToken cancellationToken = default(CancellationToken))
{
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
var request = StreamingRequest.CreatePost(StreamingChannelPrefix);
request.SetBody(parameters);
return(await SendRequestAsync <ConversationResourceResponse>(request, cancellationToken).ConfigureAwait(false));
}
/// <summary>
/// Posts an update to an existing activity.
/// Throws <see cref="ArgumentNullException"/> if activity is null.
/// </summary>
/// <param name="activity">The updated activity.</param>
/// <param name="cancellationToken">Optional cancellation token.</param>
/// <returns>A task that represents the work queued to execute.</returns>
public async Task <ResourceResponse> PostToActivityAsync(Activity activity, CancellationToken cancellationToken = default(CancellationToken))
{
if (activity == null)
{
throw new ArgumentNullException(nameof(activity));
}
var route = $"{StreamingChannelPrefix}{activity.Conversation.Id}/activities/{activity.Id}";
var request = StreamingRequest.CreatePost(route);
request.SetBody(activity);
return(await SendRequestAsync <ResourceResponse>(request, cancellationToken).ConfigureAwait(false));
}
/// <summary>
/// Converts an <see cref="Activity"/> into a <see cref="StreamingRequest"/> and sends it to the
/// channel this StreamingRequestHandler is connected to.
/// </summary>
/// <param name="activity">The activity to send.</param>
/// <param name="cancellationToken">A cancellation token.</param>
/// <returns>A task that resolves to a <see cref="ResourceResponse"/>.</returns>
public async Task <ResourceResponse> SendActivityAsync(Activity activity, CancellationToken cancellationToken = default)
{
string requestPath;
if (!string.IsNullOrWhiteSpace(activity.ReplyToId) && activity.ReplyToId.Length >= 1)
{
requestPath = $"/v3/conversations/{activity.Conversation?.Id}/activities/{activity.ReplyToId}";
}
else
{
requestPath = $"/v3/conversations/{activity.Conversation?.Id}/activities";
}
var streamAttachments = UpdateAttachmentStreams(activity);
var request = StreamingRequest.CreatePost(requestPath);
request.SetBody(activity);
if (streamAttachments != null)
{
foreach (var attachment in streamAttachments)
{
request.AddStream(attachment);
}
}
try
{
if (!_serverIsConnected)
{
throw new Exception("Error while attempting to send: Streaming transport is disconnected.");
}
var serverResponse = await _server.SendAsync(request, cancellationToken).ConfigureAwait(false);
if (serverResponse.StatusCode == (int)HttpStatusCode.OK)
{
return(serverResponse.ReadBodyAsJson <ResourceResponse>());
}
}
#pragma warning disable CA1031 // Do not catch general exception types (this should probably be addressed later, but for now we just log the error and continue the execution)
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
_logger.LogError(ex.Message);
}
return(null);
}
public async Task RequestDisassembler_WithJsonStream_Sends()
{
var sender = new PayloadSender();
var transport = new MockTransportSender();
sender.Connect(transport);
var ops = new SendOperations(sender);
var request = StreamingRequest.CreatePost("/a/b");
request.AddStream(new StringContent("abc", Encoding.ASCII));
await ops.SendRequestAsync(Guid.NewGuid(), request);
Assert.AreEqual(4, transport.Buffers.Count);
}
public async Task RequestDisassembler_WithVariableStream_Sends()
{
var sender = new PayloadSender();
var transport = new MockTransportSender();
sender.Connect(transport);
var ops = new SendOperations(sender);
var request = StreamingRequest.CreatePost("/a/b");
var stream = new PayloadStream(new PayloadStreamAssembler(null, Guid.NewGuid(), "blah", 100));
stream.Write(new byte[100], 0, 100);
request.AddStream(new StreamContent(stream));
await ops.SendRequestAsync(Guid.NewGuid(), request);
Assert.AreEqual(5, transport.Buffers.Count);
}
/// <summary>
/// Updates the conversation history stored on the service.
/// Throws <see cref="ArgumentNullException"/> if conversationId or transcript is null.
/// </summary>
/// <param name="conversationId">The id of the conversation to update.</param>
/// <param name="transcript">A transcript of the conversation history, which will replace the history on the service.</param>
/// <param name="cancellationToken">Optoinal cancellation token.</param>
/// <returns>A task that represents the work queued to execute.</returns>
public async Task <ResourceResponse> PostConversationHistoryAsync(string conversationId, Transcript transcript, CancellationToken cancellationToken = default(CancellationToken))
{
if (string.IsNullOrWhiteSpace(conversationId))
{
throw new ArgumentNullException(nameof(conversationId));
}
if (transcript == null)
{
throw new ArgumentNullException(nameof(transcript));
}
var route = $"{StreamingChannelPrefix}{conversationId}/activities/history";
var request = StreamingRequest.CreatePost(route);
request.SetBody(transcript);
return(await SendRequestAsync <ResourceResponse>(request, cancellationToken).ConfigureAwait(false));
}
public async Task <bool> ForwardToSkillAsync(ITurnContext turnContext, Activity activity, Action <Activity> tokenRequestHandler = null)
{
if (_streamingTransportClient == null)
{
// acquire AAD token
MicrosoftAppCredentials.TrustServiceUrl(_skillManifest.Endpoint.AbsoluteUri);
var token = await _serviceClientCredentials.GetTokenAsync();
// put AAD token in the header
var headers = new Dictionary <string, string>();
headers.Add("Authorization", $"Bearer {token}");
// establish websocket connection
_streamingTransportClient = new WebSocketClient(
EnsureWebSocketUrl(_skillManifest.Endpoint.ToString()),
new SkillCallingRequestHandler(
turnContext,
_botTelemetryClient,
GetTokenCallback(turnContext, tokenRequestHandler),
GetHandoffActivityCallback()),
headers);
await _streamingTransportClient.ConnectAsync();
}
// set recipient to the skill
var recipientId = activity.Recipient.Id;
activity.Recipient.Id = _skillManifest.MSAappId;
// Serialize the activity and POST to the Skill endpoint
var body = new StringContent(JsonConvert.SerializeObject(activity, SerializationSettings.BotSchemaSerializationSettings), Encoding.UTF8, SerializationSettings.ApplicationJson);
var request = StreamingRequest.CreatePost(string.Empty, body);
// set back recipient id to make things consistent
activity.Recipient.Id = recipientId;
await _streamingTransportClient.SendAsync(request);
return(endOfConversation);
}
private static async Task MessageAsync()
{
if (_client == null || !_client.IsConnected)
{
WriteLine("[Program] Client is not connected, connect before sending messages.");
}
var text = AskUser("[Program] Enter text:");
WriteLine($"[User]: {text}", ConsoleColor.Cyan);
if (string.IsNullOrEmpty(_conversationId))
{
_conversationId = Guid.NewGuid().ToString();
}
var activity = new Schema.Activity()
{
Id = Guid.NewGuid().ToString(),
Type = ActivityTypes.Message,
From = new ChannelAccount {
Id = "testUser"
},
Conversation = new ConversationAccount {
Id = _conversationId
},
Recipient = new ChannelAccount {
Id = "testBot"
},
ServiceUrl = "wss://InvalidServiceUrl/api/messages",
ChannelId = "Test",
Text = text,
};
var request = StreamingRequest.CreatePost("/api/messages", new StringContent(JsonConvert.SerializeObject(activity), Encoding.UTF8, "application/json"));
var stopwatch = Stopwatch.StartNew();
var response = await _client.SendAsync(request, CancellationToken.None);
}
private static void SimulateMultiTurnConversation(int conversationId, Activity[] activities, IStreamingTransportClient client, ILogger logger, SemaphoreSlim throttler = null)
{
try
{
foreach (var activity in activities)
{
var timer = Stopwatch.StartNew();
var content = new StringContent(JsonConvert.SerializeObject(activity), Encoding.UTF8, "application/json");
var response = client.SendAsync(StreamingRequest.CreatePost("/api/messages", content)).Result;
logger.LogInformation($"Conversation {conversationId} latency: {timer.ElapsedMilliseconds}. Status code: {response.StatusCode}");
}
}
finally
{
if (throttler != null)
{
throttler.Release();
}
}
}
/// <summary>
/// Converts an <see cref="Activity"/> into a <see cref="StreamingRequest"/> and sends it to the
/// channel this StreamingRequestHandler is connected to.
/// </summary>
/// <param name="activity">The activity to send.</param>
/// <param name="cancellationToken">A cancellation token.</param>
/// <returns>A task that resolves to a <see cref="ResourceResponse"/>.</returns>
public virtual async Task <ResourceResponse> SendActivityAsync(Activity activity, CancellationToken cancellationToken = default)
{
string requestPath;
if (!string.IsNullOrWhiteSpace(activity.ReplyToId) && activity.ReplyToId.Length >= 1)
{
requestPath = $"/v3/conversations/{activity.Conversation?.Id}/activities/{activity.ReplyToId}";
}
else
{
requestPath = $"/v3/conversations/{activity.Conversation?.Id}/activities";
}
var streamAttachments = UpdateAttachmentStreams(activity);
var request = StreamingRequest.CreatePost(requestPath);
request.SetBody(activity);
if (streamAttachments != null)
{
foreach (var attachment in streamAttachments)
{
request.AddStream(attachment);
}
}
var serverResponse = await _innerConnection.SendStreamingRequestAsync(request, cancellationToken).ConfigureAwait(false);
if (serverResponse.StatusCode == (int)HttpStatusCode.OK)
{
return(serverResponse.ReadBodyAsJson <ResourceResponse>());
}
else
{
throw new Exception($"Failed to send request through streaming transport. Status code: {serverResponse.StatusCode}.");
}
}
public async Task <Schema.ResourceResponse> SendActivityAsync(Schema.Activity activity, List <AttachmentStream> attachmentStreams = null)
{
SentActivities.Add(activity);
var requestPath = $"/v3/conversations/{activity.Conversation?.Id}/activities/{activity.Id}";
var request = StreamingRequest.CreatePost(requestPath);
request.SetBody(activity);
attachmentStreams?.ForEach(a =>
{
var streamContent = new StreamContent(a.ContentStream);
streamContent.Headers.TryAddWithoutValidation(HeaderNames.ContentType, a.ContentType);
request.AddStream(streamContent);
});
var serverResponse = await _adapter.ProcessStreamingActivityAsync(activity, OnTurnAsync, CancellationToken.None).ConfigureAwait(false);
if (serverResponse.Status == (int)HttpStatusCode.OK)
{
return(JsonConvert.DeserializeObject <Schema.ResourceResponse>(serverResponse.Body.ToString()));
}
throw new Exception("SendActivityAsync failed");
}
/// <summary>
/// Sends activities to the conversation.
/// </summary>
/// <param name="turnContext">The context object for the turn.</param>
/// <param name="activities">The activities to send.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>A task that represents the work queued to execute.</returns>
/// <remarks>If the activities are successfully sent, the task result contains
/// an array of <see cref="ResourceResponse"/> objects containing the IDs that
/// the receiving channel assigned to the activities.</remarks>
/// <seealso cref="ITurnContext.OnSendActivities(SendActivitiesHandler)"/>
public override async Task <ResourceResponse[]> SendActivitiesAsync(ITurnContext turnContext, Activity[] activities, CancellationToken cancellationToken)
{
if (turnContext == null)
{
throw new ArgumentNullException(nameof(turnContext));
}
if (activities == null)
{
throw new ArgumentNullException(nameof(activities));
}
if (activities.Length == 0)
{
throw new ArgumentException("Expecting one or more activities, but the array was empty.", nameof(activities));
}
var responses = new ResourceResponse[activities.Length];
/*
* NOTE: we're using for here (vs. foreach) because we want to simultaneously index into the
* activities array to get the activity to process as well as use that index to assign
* the response to the responses array and this is the most cost effective way to do that.
*/
for (var index = 0; index < activities.Length; index++)
{
var activity = activities[index];
if (string.IsNullOrWhiteSpace(activity.Id))
{
activity.Id = Guid.NewGuid().ToString("n");
}
var response = default(ResourceResponse);
if (activity.Type == ActivityTypesEx.Delay)
{
// The Activity Schema doesn't have a delay type build in, so it's simulated
// here in the Bot. This matches the behavior in the Node connector.
var delayMs = (int)activity.Value;
await Task.Delay(delayMs, cancellationToken).ConfigureAwait(false);
// No need to create a response. One will be created below.
}
// set SemanticAction property of the activity properly
EnsureActivitySemanticAction(turnContext, activity);
if (activity.Type != ActivityTypes.Trace ||
(activity.Type == ActivityTypes.Trace && activity.ChannelId == "emulator"))
{
var requestPath = $"/activities/{activity.Id}";
var request = StreamingRequest.CreatePost(requestPath);
// set callerId to empty so it's not sent over the wire
activity.CallerId = null;
request.SetBody(activity);
_botTelemetryClient.TrackTrace($"Sending activity. ReplyToId: {activity.ReplyToId}", Severity.Information, null);
var stopWatch = new Diagnostics.Stopwatch();
try
{
stopWatch.Start();
response = await SendRequestAsync <ResourceResponse>(request).ConfigureAwait(false);
stopWatch.Stop();
}
catch (Exception ex)
{
throw new SkillWebSocketCallbackException($"Callback failed. Verb: POST, Path: {requestPath}", ex);
}
_botTelemetryClient.TrackEvent("SkillWebSocketSendActivityLatency", null, new Dictionary <string, double>
{
{ "Latency", stopWatch.ElapsedMilliseconds },
});
}
// If No response is set, then defult to a "simple" response. This can't really be done
// above, as there are cases where the ReplyTo/SendTo methods will also return null
// (See below) so the check has to happen here.
// Note: In addition to the Invoke / Delay / Activity cases, this code also applies
// with Skype and Teams with regards to typing events. When sending a typing event in
// these _channels they do not return a RequestResponse which causes the bot to blow up.
// https://github.com/Microsoft/botbuilder-dotnet/issues/460
// bug report : https://github.com/Microsoft/botbuilder-dotnet/issues/465
if (response == null)
{
response = new ResourceResponse(activity.Id ?? string.Empty);
}
responses[index] = response;
}
return(responses);
}
public async Task Integration_Interop_LegacyClient_MiniLoad(int threadCount, int messageCount)
{
var logger = XUnitLogger.CreateLogger(_outputHelper);
using (var webSocketFeature = new TestWebSocketConnectionFeature())
{
var botRequestHandler = new Mock <RequestHandler>();
botRequestHandler
.Setup(r => r.ProcessRequestAsync(It.IsAny <ReceiveRequest>(), null, null, CancellationToken.None))
.ReturnsAsync(() => new StreamingResponse()
{
StatusCode = 200
});
var socket = await webSocketFeature.AcceptAsync().ConfigureAwait(false);
var connection = new WebSocketStreamingConnection(socket, logger);
var serverTask = Task.Run(() => connection.ListenAsync(botRequestHandler.Object));
await Task.Delay(TimeSpan.FromSeconds(1));
var clients = new List <Microsoft.Bot.Streaming.Transport.WebSockets.WebSocketClient>();
var clientRequestHandler = new Mock <RequestHandler>();
clientRequestHandler
.Setup(r => r.ProcessRequestAsync(It.IsAny <ReceiveRequest>(), null, null, CancellationToken.None))
.ReturnsAsync(() => new StreamingResponse()
{
StatusCode = 200
});
using (var client = new Microsoft.Bot.Streaming.Transport.WebSockets.WebSocketClient(
"wss://test",
clientRequestHandler.Object))
{
await client.ConnectInternalAsync(webSocketFeature.Client).ConfigureAwait(false);
clients.Add(client);
// Send request bot (server) -> channel (client)
const string path = "api/version";
const string botToClientPayload = "Hello human, I'm Bender!";
Func <int, Task> testFlow = async(i) =>
{
var request = StreamingRequest.CreatePost(path, new StringContent(botToClientPayload));
var stopwatch = Stopwatch.StartNew();
var responseFromClient =
await connection.SendStreamingRequestAsync(request).ConfigureAwait(false);
stopwatch.Stop();
Assert.Equal(200, responseFromClient.StatusCode);
logger.LogInformation(
$"Server->Client {i} latency: {stopwatch.ElapsedMilliseconds}. Status code: {responseFromClient.StatusCode}");
const string clientToBotPayload = "Hello bot, I'm Calculon!";
var clientRequest = StreamingRequest.CreatePost(path, new StringContent(clientToBotPayload));
stopwatch = Stopwatch.StartNew();
// Send request bot channel (client) -> (server)
var clientToBotResult = await client.SendAsync(clientRequest).ConfigureAwait(false);
stopwatch.Stop();
Assert.Equal(200, clientToBotResult.StatusCode);
logger.LogInformation(
$"Client->Server {i} latency: {stopwatch.ElapsedMilliseconds}. Status code: {responseFromClient.StatusCode}");
};
await testFlow(-1).ConfigureAwait(false);
var tasks = new List <Task>();
using (var throttler = new SemaphoreSlim(threadCount))
{
for (int j = 0; j < messageCount; j++)
{
await throttler.WaitAsync().ConfigureAwait(false);
// using Task.Run(...) to run the lambda in its own parallel
// flow on the threadpool
tasks.Add(
Task.Run(async() =>
{
try
{
await testFlow(j).ConfigureAwait(false);
}
finally
{
throttler.Release();
}
}));
}
await Task.WhenAll(tasks).ConfigureAwait(false);
}
client.Disconnect();
}
await serverTask.ConfigureAwait(false);
}
}
/// <summary>
/// Sends activities to the conversation.
/// Throws <see cref="ArgumentNullException"/> on null arguments.
/// Throws <see cref="ArgumentException"/> if activities length is zero.
/// </summary>
/// <param name="turnContext">The context object for the turn.</param>
/// <param name="activities">The activities to send.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>A task that represents the work queued to execute.</returns>
/// <remarks>If the activities are successfully sent, the task result contains
/// an array of <see cref="ResourceResponse"/> objects containing the IDs that
/// the receiving channel assigned to the activities.</remarks>
/// <seealso cref="ITurnContext.OnSendActivities(SendActivitiesHandler)"/>
public override async Task <ResourceResponse[]> SendActivitiesAsync(ITurnContext turnContext, Activity[] activities, CancellationToken cancellationToken = default(CancellationToken))
{
if (turnContext == null)
{
throw new ArgumentNullException(nameof(turnContext));
}
if (activities == null)
{
throw new ArgumentNullException(nameof(activities));
}
var responses = new ResourceResponse[activities.Length];
/*
* NOTE: we're using for here (vs. foreach) because we want to simultaneously index into the
* activities array to get the activity to process as well as use that index to assign
* the response to the responses array and this is the most cost effective way to do that.
*/
for (var index = 0; index < activities.Length; index++)
{
var activity = activities[index] ?? throw new ArgumentNullException("Found null activity in SendActivitiesAsync.");
var response = default(ResourceResponse);
_logger.LogInformation($"Sending activity. ReplyToId: {activity.ReplyToId}");
if (activity.Type == ActivityTypesEx.Delay)
{
// The Activity Schema doesn't have a delay type build in, so it's simulated
// here in the Bot. This matches the behavior in the Node connector.
var delayMs = (int)activity.Value;
await Task.Delay(delayMs, cancellationToken).ConfigureAwait(false);
// No need to create a response. One will be created below.
}
else if (activity.Type == ActivityTypesEx.InvokeResponse)
{
turnContext.TurnState.Add(InvokeReponseKey, activity);
// No need to create a response. One will be created below.
}
else if (activity.Type == ActivityTypes.Trace && activity.ChannelId != "emulator")
{
// if it is a Trace activity we only send to the channel if it's the emulator.
}
string requestPath;
if (!string.IsNullOrWhiteSpace(activity.ReplyToId) && activity.ReplyToId.Length >= 1)
{
requestPath = $"/v3/conversations/{activity.Conversation?.Id}/activities/{activity.ReplyToId}";
}
else
{
requestPath = $"/v3/conversations/{activity.Conversation?.Id}/activities";
}
var streamAttachments = UpdateAttachmentStreams(activity);
var request = StreamingRequest.CreatePost(requestPath);
request.SetBody(activity);
if (streamAttachments != null)
{
foreach (var attachment in streamAttachments)
{
request.AddStream(attachment);
}
}
response = await SendRequestAsync <ResourceResponse>(request).ConfigureAwait(false);
// If No response is set, then default to a "simple" response. This can't really be done
// above, as there are cases where the ReplyTo/SendTo methods will also return null
// (See below) so the check has to happen here.
// Note: In addition to the Invoke / Delay / Activity cases, this code also applies
// with Skype and Teams with regards to typing events. When sending a typing event in
// these _channels they do not return a RequestResponse which causes the bot to blow up.
// https://github.com/Microsoft/botbuilder-dotnet/issues/460
// bug report : https://github.com/Microsoft/botbuilder-dotnet/issues/465
if (response == null)
{
response = new ResourceResponse(activity.Id ?? string.Empty);
}
responses[index] = response;
}
return(responses);
}
