public ActionResult Ranker(string defaultActions)
{
try
{
APIUtil.Authenticate(this.Request);
int[] defaultActionArray = Array.ConvertAll(defaultActions.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries), Convert.ToInt32);
var client = DecisionServiceClientFactory.AddOrGetExisting(ModelSuccessNotifier);
var context = APIUtil.ReadBody(this.Request);
var eventId = APIUtil.CreateEventId();
var actions = defaultActionArray != null && defaultActionArray.Length > 0 ?
client.ChooseRanking(eventId, context, defaultActionArray) :
client.ChooseRanking(eventId, context);
return(Json(new
{
EventId = eventId,
Actions = actions,
ModelTime = ModelUpdateTime
}));
}
catch (UnauthorizedAccessException ex)
{
return(new HttpStatusCodeResult(HttpStatusCode.Unauthorized, ex.Message));
}
catch (Exception ex)
{
new TelemetryClient().TrackException(ex);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString()));
}
}
public ActionResult Policy(int defaultAction = -1)
{
try
{
APIUtil.Authenticate(this.Request);
var client = DecisionServiceClientFactory.AddOrGetExisting(ModelSuccessNotifier);
var context = APIUtil.ReadBody(this.Request);
var eventId = APIUtil.CreateEventId();
var action = defaultAction != -1 ? client.ChooseAction(eventId, context, defaultAction) : client.ChooseAction(eventId, context);
return(Json(new
{
EventId = eventId,
Action = action,
ModelTime = ModelUpdateTime
}));
}
catch (UnauthorizedAccessException ex)
{
return(new HttpStatusCodeResult(HttpStatusCode.Unauthorized, ex.Message));
}
catch (Exception ex)
{
new TelemetryClient().TrackException(ex);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString()));
}
}
public ActionResult Validate()
{
try
{
APIUtil.Authenticate(this.Request);
if (this.metaData == null || lastDownload + TimeSpan.FromMinutes(1) < DateTime.Now)
{
var url = APIUtil.GetSettingsUrl();
this.metaData = ApplicationMetadataUtil.DownloadMetadata <ApplicationClientMetadata>(url);
lastDownload = DateTime.Now;
}
var context = APIUtil.ReadBody(this.Request);
using (var vw = new VowpalWabbit(new VowpalWabbitSettings(metaData.TrainArguments)
{
EnableStringExampleGeneration = true,
EnableStringFloatCompact = true
}))
using (var serializer = new VowpalWabbitJsonSerializer(vw))
using (var example = serializer.ParseAndCreate(context))
{
return(Json(new { VWExample = example.VowpalWabbitString }));
}
}
catch (UnauthorizedAccessException ex)
{
return(new HttpStatusCodeResult(HttpStatusCode.Unauthorized, ex.Message));
}
catch (Exception ex)
{
new TelemetryClient().TrackException(ex);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString()));
}
}
public ActionResult Reward(string eventId)
{
var telemetry = new TelemetryClient();
try
{
APIUtil.Authenticate(this.Request);
var client = DecisionServiceClientFactory.AddOrGetExisting(ModelSuccessNotifier);
var rewardStr = APIUtil.ReadBody(this.Request);
var rewardObj = JToken.Parse(rewardStr);
client.ReportOutcome(rewardObj, eventId);
//if (rewardObj.Type == JTokenType.Float)
// telemetry.TrackEvent("Reward", metrics: new Dictionary<string, double> { { "Reward", rewardObj.ToObject<float>() } });
//else
// telemetry.TrackEvent("Reward");
// telemetry.TrackTrace($"HTTP Endpoint received reward report of: {rewardStr}");
return(new HttpStatusCodeResult(HttpStatusCode.OK));
}
catch (UnauthorizedAccessException ex)
{
return(new HttpStatusCodeResult(HttpStatusCode.Unauthorized, ex.Message));
}
catch (Exception ex)
{
telemetry.TrackException(ex);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString()));
}
}
public async Task <ActionResult> Reset()
{
var telemetry = new TelemetryClient();
try
{
var token = APIUtil.Authenticate(this.Request, ConfigurationManager.AppSettings[ApplicationMetadataStore.AKAdminToken]);
using (var wc = new WebClient())
{
wc.Headers.Add($"Authorization: {token}");
wc.DownloadString(ConfigurationManager.AppSettings[ApplicationMetadataStore.AKTrainerURL] + "/reset");
var storageAccount = CloudStorageAccount.Parse(ConfigurationManager.AppSettings[ApplicationMetadataStore.AKConnectionString]);
var blobClient = storageAccount.CreateCloudBlobClient();
var blobContainer = blobClient.GetContainerReference(ApplicationBlobConstants.OfflineEvalContainerName);
await Task.WhenAll(blobContainer
.ListBlobs(useFlatBlobListing : true)
.OfType <CloudBlockBlob>()
.Select(b => b.UploadFromByteArrayAsync(new byte[0] {
}, 0, 0)));
}
return(new HttpStatusCodeResult(HttpStatusCode.OK));
}
catch (UnauthorizedAccessException ex)
{
return(new HttpStatusCodeResult(HttpStatusCode.Unauthorized, ex.Message));
}
catch (WebException ex)
{
telemetry.TrackException(ex);
string response;
using (var stream = new StreamReader(ex.Response.GetResponseStream()))
{
response = await stream.ReadToEndAsync();
}
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString() + " " + response));
}
catch (Exception ex)
{
telemetry.TrackException(ex);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString()));
}
}
public async Task <ActionResult> Ranker(string defaultActions, string eventId)
{
try
{
APIUtil.Authenticate(this.Request);
var client = DecisionServiceClientFactory.AddOrGetExisting(ModelSuccessNotifier);
var context = APIUtil.ReadBody(this.Request);
if (string.IsNullOrEmpty(eventId))
{
eventId = APIUtil.CreateEventId();
}
int[] actions;
if (string.IsNullOrWhiteSpace(defaultActions))
{
actions = await client.ChooseRankingAsync(eventId, context);
}
else
{
int[] defaultActionArray = Array.ConvertAll(defaultActions.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries), Convert.ToInt32);
actions = await client.ChooseRankingAsync(eventId, context, defaultActionArray);
}
return(Json(new
{
EventId = eventId,
Actions = actions,
ModelTime = ModelUpdateTime
}));
}
catch (UnauthorizedAccessException ex)
{
return(new HttpStatusCodeResult(HttpStatusCode.Unauthorized, ex.Message));
}
catch (Exception ex)
{
new TelemetryClient().TrackException(ex);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString()));
}
}