public async Task <ActionResult <BotGatewayResponse> > InitAssistantAsync([FromBody] Activity activity, CancellationToken cancellationToken = default(CancellationToken))
{
var ti0 = DateTime.Now;
var conversation = await _directLineClient.Conversations.StartConversationAsync(cancellationToken);
var elapsed = DateTime.Now.Subtract(ti0).TotalMilliseconds;
ti0 = DateTime.Now;
var response = await _directLineClient.Conversations.PostActivityAsync(conversation.ConversationId, activity, cancellationToken);
elapsed = DateTime.Now.Subtract(ti0).TotalMilliseconds;
// TODO: Init shouldn't return a response, this seems to be a bug.
var r = await GetResponses(conversation.ConversationId, null, _directLineClient, cancellationToken);
var initResponse = new BotGatewayResponse
{
Activities = new List <Activity> {
GetFakeActivity()
},
ConversationId = conversation.ConversationId,
Watermark = r.Watermark
};
return(new ActionResult <BotGatewayResponse>(Ok(initResponse)));
}
private static void RenderResponse(BotGatewayResponse lastResponse, long clientRoundtripTime)
{
ConsoleOut.WriteTiming("\tClient roundtrip duration (ms):", clientRoundtripTime);
Console.WriteLine($"\tActivities received: {lastResponse.Activities.Count}");
Console.WriteLine($"\tWatermark: {lastResponse.Watermark}");
ConsoleOut.WriteTiming("\tServer: Reconnect (and post) duration (ms):", lastResponse.Diagnostics.ReconnectAndPostDuration);
ConsoleOut.WriteTiming("\tServer: Get response duration (ms):", lastResponse.Diagnostics.GetResponseDuration);
Console.WriteLine($"\tServer: Get response retries: {lastResponse.Diagnostics.GetResponseTries:N0}");
}
private async Task <BotGatewayResponse> GetResponses(string conversationId, string watermark, DirectLineClient directLineClient, CancellationToken cancellationToken)
{
// TODO, replace polling by sockets
//using (var webSocketClient = new WebSocket(_directLineClient.Conversations.StreamUrl))
//{
// webSocketClient.OnMessage += WebSocketClient_OnMessage;
// // You have to specify TLS version to 1.2 or connection will be failed in handshake.
// webSocketClient.SslConfiguration.EnabledSslProtocols = System.Security.Authentication.SslProtocols.Tls12;
// webSocketClient.Connect();
// while (true)
// {
// await directLineClient.Conversations.PostActivityAsync(conversation.ConversationId, userMessage);
// }
//}
// wait and send back as soon as we get at least one answer
try
{
var tryCount = 0;
List <Activity> activities;
var stopwatch = Stopwatch.StartNew();
while (true)
{
tryCount++;
var activitySet = await directLineClient.Conversations.GetActivitiesAsync(conversationId, watermark, cancellationToken);
if (activitySet != null)
{
watermark = activitySet.Watermark;
if (activitySet.Activities.Count > 0)
{
var receivedActivities = activitySet.Activities.Where(a => a.From.Id == _botId).ToList();
if (receivedActivities.Any())
{
activities = receivedActivities;
break;
}
}
}
await Task.Delay(TimeSpan.FromMilliseconds(100), cancellationToken);
}
stopwatch.Stop();
var responses = new BotGatewayResponse
{
Activities = activities,
ConversationId = conversationId,
Watermark = watermark,
Diagnostics = new DiagnosticsData
{
GetResponseDuration = stopwatch.ElapsedMilliseconds,
GetResponseTries = tryCount
}
};
return(responses);
}
catch (Exception ex)
{
Console.WriteLine(ex);
throw;
}
}
