16416226117

Committed 21 Jul 2025 11:53AM UTC coverage: 87.855% (-0.1%) from 87.958%

Build # 16416226117

Build Type

Pull #1659

github

Committed by

web-flow

Commit Message

Merge 7113c26f8 into c721273e2

Pull Request Pull Request #1659: #1658 Adds global header transforms

Run Details

5722 of 6513 relevant lines covered (87.86%)

7414.29 hits per line

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87.23

src/Ocelot/Configuration/Repository/FileConfigurationPoller.cs

using Microsoft.Extensions.Hosting;
using Newtonsoft.Json;
using Ocelot.Configuration.Creator;
using Ocelot.Configuration.File;
using Ocelot.Logging;

namespace Ocelot.Configuration.Repository;

public class FileConfigurationPoller : IHostedService, IDisposable
{
    private readonly IOcelotLogger _logger;
    private readonly IFileConfigurationRepository _repo;
    private string _previousAsJson;
    private Timer _timer;
    private bool _polling;
    private readonly IFileConfigurationPollerOptions _options;
    private readonly IInternalConfigurationRepository _internalConfigRepo;
    private readonly IInternalConfigurationCreator _internalConfigCreator;

    public FileConfigurationPoller(
        IOcelotLoggerFactory factory,
        IFileConfigurationRepository repo,
        IFileConfigurationPollerOptions options,
        IInternalConfigurationRepository internalConfigRepo,
        IInternalConfigurationCreator internalConfigCreator)
    {
        _internalConfigRepo = internalConfigRepo;
        _internalConfigCreator = internalConfigCreator;
        _options = options;
        _logger = factory.CreateLogger<FileConfigurationPoller>();
        _repo = repo;
        _previousAsJson = string.Empty;
    }

    public Task StartAsync(CancellationToken cancellationToken)
    {
        _logger.LogInformation($"{nameof(FileConfigurationPoller)} is starting.");

        _timer = new Timer(async x =>
        {
            if (_polling)
            {
                return;
            }

            _polling = true;
            await Poll();
            _polling = false;
        }, null, _options.Delay, _options.Delay);

        return Task.CompletedTask;
    }

    public Task StopAsync(CancellationToken cancellationToken)
    {
        _logger.LogInformation($"{nameof(FileConfigurationPoller)} is stopping.");

        _timer?.Change(Timeout.Infinite, 0);

        return Task.CompletedTask;
    }

    private async Task Poll()
    {
        _logger.LogInformation("Started polling");

        var fileConfig = await _repo.Get();

        if (fileConfig.IsError)
        {
            _logger.LogWarning(() => $"error geting file config, errors are {string.Join(',', fileConfig.Errors.Select(x => x.Message))}");
            return;
        }

        var asJson = ToJson(fileConfig.Data);

        if (!fileConfig.IsError && asJson != _previousAsJson)
        {
            var config = await _internalConfigCreator.Create(fileConfig.Data);

            if (!config.IsError)
            {
                _internalConfigRepo.AddOrReplace(config.Data);
            }

            _previousAsJson = asJson;
        }

        _logger.LogInformation("Finished polling");
    }

    /// <summary>
    /// We could do object comparison here but performance isnt really a problem. This might be an issue one day!.
    /// </summary>
    /// <returns>hash of the config.</returns>
    private static string ToJson(FileConfiguration config)
    {
        var currentHash = JsonConvert.SerializeObject(config);
        return currentHash;
    }

    public void Dispose()
    {
        _timer?.Dispose();
        _timer = null;
    }
}

1	using Microsoft.Extensions.Hosting;
2	using Newtonsoft.Json;
3	using Ocelot.Configuration.Creator;
4	using Ocelot.Configuration.File;
5	using Ocelot.Logging;
6
7	namespace Ocelot.Configuration.Repository;
8
9	public class FileConfigurationPoller : IHostedService, IDisposable
10	{
11	private readonly IOcelotLogger _logger;
12	private readonly IFileConfigurationRepository _repo;
13	private string _previousAsJson;
14	private Timer _timer;
15	private bool _polling;
16	private readonly IFileConfigurationPollerOptions _options;
17	private readonly IInternalConfigurationRepository _internalConfigRepo;
18	private readonly IInternalConfigurationCreator _internalConfigCreator;
19
20	public FileConfigurationPoller(	5✔
21	IOcelotLoggerFactory factory,	5✔
22	IFileConfigurationRepository repo,	5✔
23	IFileConfigurationPollerOptions options,	5✔
24	IInternalConfigurationRepository internalConfigRepo,	5✔
25	IInternalConfigurationCreator internalConfigCreator)	5✔
26	{
27	_internalConfigRepo = internalConfigRepo;	5✔
28	_internalConfigCreator = internalConfigCreator;	5✔
29	_options = options;	5✔
30	_logger = factory.CreateLogger<FileConfigurationPoller>();	5✔
31	_repo = repo;	5✔
32	_previousAsJson = string.Empty;	5✔
33	}	5✔
34
35	public Task StartAsync(CancellationToken cancellationToken)
36	{
37	_logger.LogInformation($"{nameof(FileConfigurationPoller)} is starting.");	4✔
38
39	_timer = new Timer(async x =>	4✔
40	{	4✔
41	if (_polling)	5✔
42	{	4✔
43	return;	×
44	}	4✔
45		4✔
46	_polling = true;	5✔
47	await Poll();	5✔
48	_polling = false;	5✔
49	}, null, _options.Delay, _options.Delay);	9✔
50
51	return Task.CompletedTask;	4✔
52	}
53
54	public Task StopAsync(CancellationToken cancellationToken)
55	{
56	_logger.LogInformation($"{nameof(FileConfigurationPoller)} is stopping.");	×
57
58	_timer?.Change(Timeout.Infinite, 0);	×
59
60	return Task.CompletedTask;	×
61	}
62
63	private async Task Poll()
64	{
65	_logger.LogInformation("Started polling");	5✔
66
67	var fileConfig = await _repo.Get();	5✔
68
69	if (fileConfig.IsError)	5✔
70	{
71	_logger.LogWarning(() => $"error geting file config, errors are {string.Join(',', fileConfig.Errors.Select(x => x.Message))}");	×
72	return;	×
73	}
74
75	var asJson = ToJson(fileConfig.Data);	5✔
76
77	if (!fileConfig.IsError && asJson != _previousAsJson)	5✔
78	{
79	var config = await _internalConfigCreator.Create(fileConfig.Data);	3✔
80
81	if (!config.IsError)	3✔
82	{
83	_internalConfigRepo.AddOrReplace(config.Data);	3✔
84	}
85
86	_previousAsJson = asJson;	3✔
87	}
88
89	_logger.LogInformation("Finished polling");	5✔
90	}	5✔
91
92	/// <summary>
93	/// We could do object comparison here but performance isnt really a problem. This might be an issue one day!.
94	/// </summary>
95	/// <returns>hash of the config.</returns>
96	private static string ToJson(FileConfiguration config)
97	{
98	var currentHash = JsonConvert.SerializeObject(config);	5✔
99	return currentHash;	5✔
100	}
101
102	public void Dispose()
103	{
104	_timer?.Dispose();	6✔
105	_timer = null;	6✔
106	}	6✔
107	}

ThreeMammals / Ocelot / 16416226117

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