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Fixed: Handle ratelimit response from acoustid

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pull/1013/head
ta264 5 years ago
parent c69733a0c9
commit c919f768d9
2 changed files with 111 additions and 21 deletions
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40
src/NzbDrone.Core.Test/ParserTests/FingerprintingServiceFixture.cs
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@ -216,7 +216,7 @@ FINGERPRINT=AQAHJlMURlEURcgP6cwRD43Y4Ptw9FowncWPWkf6GB9-JYdP9OgJHw8u4Apw4SsOHMdx
Subject.Lookup(new List<LocalTrack> { localTrack }, 0.5);
localTrack.AcoustIdResults.Should().BeNull();
ExceptionVerification.ExpectedWarns(1);
ExceptionVerification.ExpectedWarns(4);
}
[Test]
@ -232,5 +232,43 @@ FINGERPRINT=AQAHJlMURlEURcgP6cwRD43Y4Ptw9FowncWPWkf6GB9-JYdP9OgJHw8u4Apw4SsOHMdx
ExceptionVerification.ExpectedWarns(1);
}
[Test]
public void should_retry_if_too_many_requests()
{
var error = "{\"error\": {\"code\": 14, \"message\": \"rate limit (3 requests per second) exceeded, try again later\"}, \"status\": \"error\"}";
var response = "{\"fingerprints\": [{\"index\": \"0\", \"results\": [{\"id\": \"a9b004fe-e161-417c-9f9e-443e4525334d\", \"recordings\": [{\"id\": \"209a4536-97ac-4e8a-aff1-1d39d029044b\"}, {\"id\": \"30f3f33e-8d0c-4e69-8539-cbd701d18f28\"}], \"score\": 0.940997}, {\"id\": \"fe0a9bec-2633-4c37-89be-b5d295b68a00\", \"score\": 0.763876}, {\"id\": \"18eab869-51dc-4948-83f7-4d8d441d5a1b\", \"score\": 0.490447}]}], \"status\": \"ok\"}";
Mocker.GetMock<IHttpClient>()
.SetupSequence(o => o.Post<LookupResponse>(It.IsAny<HttpRequest>()))
.Returns(new HttpResponse<LookupResponse>(new HttpResponse(new HttpRequest("dummy"), new HttpHeader(), error, HttpStatusCode.ServiceUnavailable)))
.Returns(new HttpResponse<LookupResponse>(new HttpResponse(new HttpRequest("dummy"), new HttpHeader(), response, HttpStatusCode.OK)));
var path = Path.Combine(TestContext.CurrentContext.TestDirectory, "Files", "Media", "nin.mp3");
var localTrack = new LocalTrack { Path = path };
Subject.Lookup(new List<LocalTrack> { localTrack }, 0.5);
localTrack.AcoustIdResults.Should().NotBeNull();
localTrack.AcoustIdResults.Should().Contain("30f3f33e-8d0c-4e69-8539-cbd701d18f28");
Mocker.GetMock<IHttpClient>()
.Verify(x => x.Post<LookupResponse>(It.IsAny<HttpRequest>()), Times.Exactly(2));
}
[Test]
public void should_not_retry_indefinitely_if_too_many_requests()
{
var error = "{\"error\": {\"code\": 14, \"message\": \"rate limit (3 requests per second) exceeded, try again later\"}, \"status\": \"error\"}";
Mocker.GetMock<IHttpClient>()
.Setup(o => o.Post<LookupResponse>(It.IsAny<HttpRequest>()))
.Returns(new HttpResponse<LookupResponse>(new HttpResponse(new HttpRequest("dummy"), new HttpHeader(), error, HttpStatusCode.ServiceUnavailable)));
var path = Path.Combine(TestContext.CurrentContext.TestDirectory, "Files", "Media", "nin.mp3");
var localTrack = new LocalTrack { Path = path };
Subject.Lookup(new List<LocalTrack> { localTrack }, 0.5);
localTrack.AcoustIdResults.Should().BeNull();
Mocker.GetMock<IHttpClient>()
.Verify(x => x.Post<LookupResponse>(It.IsAny<HttpRequest>()), Times.Exactly(4));
}
}
}

90
src/NzbDrone.Core/Parser/FingerprintingService.cs
Unescape View File

@ -1,20 +1,20 @@
using System.IO;
using NLog;
using NzbDrone.Core.Parser.Model;
using System.Diagnostics;
using System.Linq;
using NzbDrone.Common.Http;
using NzbDrone.Common.Extensions;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Text;
using NzbDrone.Common.Serializer;
using System;
using NzbDrone.Common.EnvironmentInfo;
using System.Threading;
using System.Text.RegularExpressions;
using System.Threading;
using Newtonsoft.Json;
using NLog;
using NzbDrone.Common.Cache;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Common.Extensions;
using NzbDrone.Common.Http;
using NzbDrone.Common.Serializer;
using NzbDrone.Core.Parser.Model;
namespace NzbDrone.Core.Parser
{
@ -347,6 +347,13 @@ namespace NzbDrone.Core.Parser
return;
}
var request = GenerateRequest(toLookup);
var response = GetResponse(request);
ParseResponse(response, toLookup, threshold);
}
public HttpRequest GenerateRequest(List<Tuple<LocalTrack, AcoustId>> toLookup)
{
var httpRequest = _customerRequestBuilder.Create()
.WithRateLimit(0.334)
.Build();
@ -364,32 +371,41 @@ namespace NzbDrone.Core.Parser
httpRequest.SuppressHttpError = true;
httpRequest.RequestTimeout = TimeSpan.FromSeconds(5);
return httpRequest;
}
public LookupResponse GetResponse(HttpRequest request, int retry = 3)
{
HttpResponse<LookupResponse> httpResponse;
try
{
httpResponse = _httpClient.Post<LookupResponse>(httpRequest);
httpResponse = _httpClient.Post<LookupResponse>(request);
}
catch (UnexpectedHtmlContentException e)
{
_logger.Warn(e, "AcoustId API gave invalid response");
return;
return retry > 0 ? GetResponse(request, retry - 1) : null;
}
catch (Exception e)
{
_logger.Warn(e, "AcoustId API lookup failed");
return;
return null;
}
var response = httpResponse.Resource;
// The API will give errors if fingerprint isn't found or is invalid.
// We don't want to stop the entire import because the fingerprinting failed
// so just log and return.
if (httpResponse.HasHttpError || (response != null && response.Status != "ok"))
{
if (response != null && response.Error != null)
if (response?.Error != null)
{
if (response.Error.Code == AcoustIdErrorCode.TooManyRequests && retry > 0)
{
_logger.Trace($"Too many requests, retrying in 1s");
Thread.Sleep(TimeSpan.FromSeconds(1));
return GetResponse(request, retry - 1);
}
_logger.Debug($"Webservice error {response.Error.Code}: {response.Error.Message}");
}
else
@ -397,9 +413,22 @@ namespace NzbDrone.Core.Parser
_logger.Warn("HTTP Error - {0}", httpResponse);
}
return null;
}
return response;
}
private void ParseResponse(LookupResponse response, List<Tuple<LocalTrack, AcoustId>> toLookup, double threshold)
{
if (response == null)
{
return;
}
// The API will give errors if fingerprint isn't found or is invalid.
// We don't want to stop the entire import because the fingerprinting failed
// so just log and return.
foreach (var fileResponse in response.Fingerprints)
{
if (fileResponse.Results.Count == 0)
@ -434,10 +463,33 @@ namespace NzbDrone.Core.Parser
public List<LookupResultListItem> Fingerprints { get; set; }
}
public enum AcoustIdErrorCode
{
// https://github.com/acoustid/acoustid-server/blob/f671339ad9ab049c4d4361d3eadb6660a8fe4dda/acoustid/api/errors.py#L10
UnknownFormat = 1,
MissingParameter = 2,
InvalidFingerprint = 3,
InvalidApikey = 4,
Internal = 5,
InvalidUserApikey = 6,
InvalidUuid = 7,
InvalidDuration = 8,
InvalidBitrate = 9,
InvalidForeignid = 10,
InvalidMaxDurationDiff = 11,
NotAllowed = 12,
ServiceUnavailable = 13,
TooManyRequests = 14,
InvalidMusicbrainzAccessToken = 15,
InsecureRequest = 16,
UnknownApplication = 17,
FingerprintNotFound = 18
}
public class LookupError
{
public string Message { get; set; }
public int Code { get; set; }
public AcoustIdErrorCode Code { get; set; }
}
public class LookupResultListItem

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