public override async Task Close()
{
Trace.TraceInformation("Yams is sending an exit message to the app");
try
{
UnsubscribeFromExited();
await _ipcConnection.SendMessage("[EXIT]").Timeout(_config.GracefulShutdownMessageTimeout);
Trace.TraceInformation("Exit message sent!");
await _ipcConnection.Disconnect();
if (!await ProcessUtils.SpinWaitForExit(this, (int)_config.AppGracefulShutdownTimeout.TotalSeconds))
{
throw new TimeoutException($"The app {this.ExePath} did not exit in time");
}
Trace.TraceInformation("App has exited gracefully!");
}
catch (TimeoutException e)
{
Trace.TraceError($"App {ExePath} did not respond to exit message, attempting to close the process..{e.Message}");
await _process.Close();
Trace.TraceInformation("App has been closed");
}
}
public async Task SendHeartBeat()
{
if (_healthConnection == null)
{
Trace.TraceError(
"Health monitoring is not supported for this app. Check your AppConfig.json file");
return;
}
Trace.TraceInformation("Sending heart beat message to Yams..");
await _healthConnection.SendMessage("[HEALTH_OK]")
.Timeout(_config.HeartBeatMessageTimeout, "Send heart beat message to Yams has timed out");
Trace.TraceInformation("Heart beat message has been sent to Yams successfully!");
}
public async Task SendInitializationDoneMessage()
{
if (_initConnection == null)
{
Trace.TraceError(
"Initialization monitoring is not supported for this app. Check your AppConfig.json file");
return;
}
Trace.TraceInformation("Sending Initialization message to Yams..");
await _initConnection.SendMessage("[INITIALIZE_DONE]")
.Timeout(_config.InitDoneMessageTimeout, "Sending initialization message to Yams has timed out");
Trace.TraceInformation("Initialization message has been sent to Yams successfully!");
}