public static async Task <ExecutionResponse> Execute(ExecutionRequest request)
{
var stopwatch = Stopwatch.StartNew();
var logs = new List <ExecutionLog>();
ExecutionAvailability availability;
do
{
availability = await CacheProvider
.Dequeue <ExecutionAvailability>(queueName : request.Function.Id)
.ConfigureAwait(continueOnCapturedContext: false);
logs.Add(new ExecutionLog
{
Name = "GetWarmMessage",
Duration = stopwatch.ElapsedMilliseconds - (logs.Count > 0 ? logs.Last().Duration : 0)
});
if (availability != null)
{
var httpResponse = await HttpClient
.PostAsJsonAsync(
requestUri : availability.CallbackURI,
value : request)
.ConfigureAwait(continueOnCapturedContext: false);
logs.Add(new ExecutionLog
{
Name = "ExecuteWarm",
Duration = stopwatch.ElapsedMilliseconds - logs.Last().Duration
});
if (httpResponse.StatusCode == HttpStatusCode.OK)
{
var response = await httpResponse.Content
.FromJson <ExecutionResponse>()
.ConfigureAwait(continueOnCapturedContext: false);
logs.Add(response.Logs);
response.Logs = new ExecutionLog
{
Name = "ExecutionProvider.Warm",
Duration = stopwatch.ElapsedMilliseconds,
SubLogs = logs.ToArray()
};
return(response);
}
}
}while (availability != null);
CloudQueueMessage queueMessage;
do
{
queueMessage = await QueueProvider
.GetMessage(queueName : ServerlessConfiguration.ExecutionQueueName)
.ConfigureAwait(continueOnCapturedContext: false);
logs.Add(new ExecutionLog
{
Name = "GetColdMessage",
Duration = stopwatch.ElapsedMilliseconds - logs.Last().Duration
});
if (queueMessage != null)
{
var httpResponse = await HttpClient
.PostAsJsonAsync(
requestUri : queueMessage.FromJson <ExecutionAvailability>().CallbackURI,
value : request)
.ConfigureAwait(continueOnCapturedContext: false);
logs.Add(new ExecutionLog
{
Name = "ExecuteCold",
Duration = stopwatch.ElapsedMilliseconds - logs.Last().Duration
});
if (httpResponse.StatusCode == HttpStatusCode.OK)
{
var response = await httpResponse.Content
.FromJson <ExecutionResponse>()
.ConfigureAwait(continueOnCapturedContext: false);
logs.Add(response.Logs);
await QueueProvider
.DeleteMessage(
queueName : ServerlessConfiguration.ExecutionQueueName,
message : queueMessage)
.ConfigureAwait(continueOnCapturedContext: false);
logs.Add(new ExecutionLog
{
Name = "DeleteColdMessage",
Duration = stopwatch.ElapsedMilliseconds - logs.Last().Duration
});
response.Logs = new ExecutionLog
{
Name = "ExecutionProvider.Cold",
Duration = stopwatch.ElapsedMilliseconds,
SubLogs = logs.ToArray()
};
return(response);
}
else if (httpResponse.StatusCode == HttpStatusCode.NotFound)
{
await QueueProvider
.DeleteMessage(
queueName : ServerlessConfiguration.ExecutionQueueName,
message : queueMessage)
.ConfigureAwait(continueOnCapturedContext: false);
logs.Add(new ExecutionLog
{
Name = "DeleteColdMessage",
Duration = stopwatch.ElapsedMilliseconds - logs.Last().Duration
});
}
}
}while (queueMessage != null);
return(null);
}