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插件系统试验
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lincube
2026-03-09 12:27:33 +08:00
parent c9f92a4755
commit cab35f4c22
49 changed files with 3355 additions and 158 deletions
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251
LanMountainDesktop.SamplePlugin/SamplePluginRuntimeStatus.cs Normal file
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using System.Globalization;
using System.IO;
using System.Threading;
namespace LanMountainDesktop.SamplePlugin;
internal enum SamplePluginHealthState
{
Healthy,
Pending,
Faulted
}
internal sealed record SamplePluginStatusEntry(
string Key,
string Title,
SamplePluginHealthState State,
string Summary,
string Detail,
DateTimeOffset UpdatedAt);
internal static class SamplePluginRuntimeStatus
{
private static readonly object Gate = new();
private static SamplePluginStatusEntry _frontend = CreateEntry(
"frontend",
"Frontend",
SamplePluginHealthState.Pending,
"Pending",
"Frontend surfaces have not been created yet.");
private static SamplePluginStatusEntry _component = CreateEntry(
"component",
"Component",
SamplePluginHealthState.Pending,
"Pending",
"The 4x4 component has not been created yet.");
private static SamplePluginStatusEntry _backend = CreateEntry(
"backend",
"Backend",
SamplePluginHealthState.Pending,
"Pending",
"Plugin initialization has not finished yet.");
private static SamplePluginStatusEntry _service = CreateEntry(
"service",
"Service",
SamplePluginHealthState.Pending,
"Pending",
"Heartbeat service has not started yet.");
public static void Reset(string hostName, string version, string dataDirectory)
{
lock (Gate)
{
_frontend = CreateEntry(
"frontend",
"Frontend",
SamplePluginHealthState.Pending,
"Pending",
"Waiting for the settings page or widget surface to render.");
_component = CreateEntry(
"component",
"Component",
SamplePluginHealthState.Pending,
"Pending",
"The 4x4 component has not been created yet.");
_backend = CreateEntry(
"backend",
"Backend",
SamplePluginHealthState.Healthy,
"Healthy",
$"Plugin initialized. Host: {hostName}; Version: {version}; Data: {dataDirectory}");
_service = CreateEntry(
"service",
"Service",
SamplePluginHealthState.Pending,
"Pending",
"Heartbeat service is starting.");
}
}
public static void MarkFrontendReady(string detail)
{
lock (Gate)
{
_frontend = CreateEntry(
"frontend",
"Frontend",
SamplePluginHealthState.Healthy,
"Healthy",
detail);
}
}
public static void MarkComponentCreated(string detail)
{
lock (Gate)
{
_component = CreateEntry(
"component",
"Component",
SamplePluginHealthState.Healthy,
"Created",
detail);
}
}
public static void MarkBackendReady(string detail)
{
lock (Gate)
{
_backend = CreateEntry(
"backend",
"Backend",
SamplePluginHealthState.Healthy,
"Healthy",
detail);
}
}
public static void MarkBackendFaulted(string detail)
{
lock (Gate)
{
_backend = CreateEntry(
"backend",
"Backend",
SamplePluginHealthState.Faulted,
"Faulted",
detail);
}
}
public static void MarkServiceHeartbeat(DateTimeOffset timestamp)
{
lock (Gate)
{
_service = CreateEntry(
"service",
"Service",
SamplePluginHealthState.Healthy,
"Healthy",
$"Heartbeat service is running. Last heartbeat: {timestamp.LocalDateTime:HH:mm:ss}");
}
}
public static void MarkServiceFaulted(string detail)
{
lock (Gate)
{
_service = CreateEntry(
"service",
"Service",
SamplePluginHealthState.Faulted,
"Faulted",
detail);
}
}
public static IReadOnlyList<SamplePluginStatusEntry> GetSnapshot()
{
lock (Gate)
{
return
[
_frontend,
_component,
_backend,
_service
];
}
}
private static SamplePluginStatusEntry CreateEntry(
string key,
string title,
SamplePluginHealthState state,
string summary,
string detail)
{
return new SamplePluginStatusEntry(
key,
title,
state,
summary,
detail,
DateTimeOffset.Now);
}
}
internal sealed class SamplePluginHeartbeatService : IDisposable
{
private readonly string _heartbeatFilePath;
private readonly Timer _timer;
private int _disposed;
public SamplePluginHeartbeatService(string dataDirectory)
{
Directory.CreateDirectory(dataDirectory);
_heartbeatFilePath = Path.Combine(dataDirectory, "service-heartbeat.txt");
_timer = new Timer(OnTimerTick);
}
public void Start()
{
PublishHeartbeat();
_timer.Change(TimeSpan.FromSeconds(5), TimeSpan.FromSeconds(5));
}
public void Dispose()
{
if (Interlocked.Exchange(ref _disposed, 1) != 0)
{
return;
}
_timer.Dispose();
}
private void OnTimerTick(object? state)
{
PublishHeartbeat();
}
private void PublishHeartbeat()
{
if (Volatile.Read(ref _disposed) != 0)
{
return;
}
var now = DateTimeOffset.Now;
try
{
File.WriteAllText(
_heartbeatFilePath,
now.ToString("O", CultureInfo.InvariantCulture));
SamplePluginRuntimeStatus.MarkServiceHeartbeat(now);
}
catch (Exception ex)
{
SamplePluginRuntimeStatus.MarkServiceFaulted($"Heartbeat write failed: {ex.Message}");
}
}
}