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feat: implement launcher orchestrator and startup monitoring infrastructure for host lifecycle management

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lincube
2026-06-14 12:59:36 +08:00
parent 13895e0f43
commit 2793be68d4
8 changed files with 239 additions and 30 deletions
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35
LanMountainDesktop.Launcher/Startup/HostStartupMonitor.cs
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@@ -86,7 +86,7 @@ internal sealed class HostStartupMonitor
]).ConfigureAwait(false);
if (!connected)
{
Logger.Info("Host public IPC is not ready yet. Launcher will keep monitoring the host process and retry.");
Logger.Info("Host public IPC is not ready yet after initial connection attempts. Launcher will keep monitoring the host process and retry periodically.");
}
else
{
@@ -106,6 +106,8 @@ internal sealed class HostStartupMonitor
var nextShellStatusPollAt = DateTimeOffset.UtcNow + StartupTimeoutPolicy.ShellStatusPollInterval;
var ipcReconnectAttemptIndex = 0;
var activationRetryAttempted = false;
var lastIpcConnectionFailureReported = DateTimeOffset.MinValue;
var ipcConnectionFailureCount = 0;
while (true)
{
@@ -224,6 +226,7 @@ internal sealed class HostStartupMonitor
if (connected)
{
ipcConnected = true;
Logger.Info($"Host public IPC reconnected successfully after {ipcConnectionFailureCount} failed attempts.");
var shellSuccess = await RefreshShellStatusAsync("Host public IPC reconnected; waiting for desktop shell.")
.ConfigureAwait(false);
if (shellSuccess is not null)
@@ -232,6 +235,18 @@ internal sealed class HostStartupMonitor
continue;
}
}
else
{
ipcConnectionFailureCount++;
// 每 30 秒报告一次 IPC 连接失败
if ((now - lastIpcConnectionFailureReported).TotalSeconds >= 30)
{
lastIpcConnectionFailureReported = now;
var elapsed = (now - startedAt).TotalSeconds;
Logger.Warn($"Host public IPC connection still unavailable after {elapsed:0}s and {ipcConnectionFailureCount} reconnect attempts. Host process is alive (PID={request.HostProcess.Id}).");
request.Reporter.Report("diagnostic", $"正在等待主应用响应... (已尝试 {ipcConnectionFailureCount} 次)");
}
}
nextReconnectAttemptAt = DateTimeOffset.UtcNow + StartupTimeoutPolicy.IpcReconnectInterval;
}
@@ -263,6 +278,16 @@ internal sealed class HostStartupMonitor
nextCheckpointAt = softTimeoutAt;
}
if (!ipcConnected && nextReconnectAttemptAt < nextCheckpointAt)
{
nextCheckpointAt = nextReconnectAttemptAt;
}
if (ipcConnected && nextShellStatusPollAt < nextCheckpointAt)
{
nextCheckpointAt = nextShellStatusPollAt;
}
var delay = nextCheckpointAt - now;
if (delay > TimeSpan.FromSeconds(1))
{
@@ -351,11 +376,11 @@ internal sealed class HostStartupMonitor
if (!connected && !request.HostProcess.HasExited)
{
request.AttemptRegistry.MarkOwnedWaitingForShell("Host process is still running, but public IPC is not ready yet.");
request.PublishCoordinatorStatus(true, false, true);
request.PublishCoordinatorStatus(true, true, false);
return new Outcome(
true,
"startup_pending",
"Host process is still running; Launcher will not start another process while public IPC finishes startup.",
false,
"ipc_connection_failed",
$"Host process is still running after {StartupTimeoutPolicy.HardTimeout.TotalSeconds:0} seconds, but public IPC connection could not be established. This may indicate the host is stuck during initialization.",
recoveryActivationAttempted,
request.ComposeLaunchDetails(true, recoveryActivationAttempted));
}