LBRYCommunity/lbry-desktop
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Improve shutdown process

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This commit is contained in:
Alex Liebowitz 2017-04-13 17:30:53 -04:00
parent 64387a5215
commit 8614276f0c
1 changed files with 15 additions and 19 deletions
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34
app/main.js
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@ -17,7 +17,7 @@ let daemonSubprocess;
// This is set to true right before we try to shut the daemon subprocess --
// if it dies when we didn't ask it to shut down, we want to alert the user.
let daemonSubprocessKillRequested = false;
let daemonStopRequested = false;
// When a quit is attempted, we cancel the quit, do some preparations, then
// this is set to true and app.quit() is called again to quit for real.
@ -74,8 +74,8 @@ function createWindow () {
function handleDaemonSubprocessExited() {
console.log('The daemon has exited.');
daemonSubprocess = null;
if (!daemonSubprocessKillRequested) {
// We didn't stop the daemon subprocess on purpose, so display a
if (!daemonStopRequested) {
// We didn't request to stop the daemon, so display a
// warning and schedule a quit.
//
// TODO: maybe it would be better to restart the daemon?
@ -209,31 +209,27 @@ app.on('activate', () => {
// When a quit is attempted, this is called. It attempts to shutdown the daemon,
// then calls quitNow() to quit for real.
function shutdownDaemonAndQuit(evenIfNotStartedByApp = false) {
if (daemonSubprocess) {
console.log('Killing lbrynet-daemon process');
daemonSubprocessKillRequested = true;
kill(daemonSubprocess.pid, undefined, (err) => {
console.log('Killed lbrynet-daemon process');
quitNow();
});
} else if (evenIfNotStartedByApp) {
console.log('Stopping lbrynet-daemon, even though app did not start it');
function doShutdown() {
console.log('Asking daemon to shut down down');
daemonStopRequested = true;
client.request('daemon_stop', [], (err, res) => {
if (err) {
// We could get an error because the daemon is already stopped (good)
// or because it's running but not responding properly (bad).
// So try to force kill any daemons that are still running.
console.log(`received error when stopping lbrynet-daemon. Error message: ${err.message}`);
forceKillAllDaemonsAndQuit();
console.log(`received error when stopping lbrynet-daemon. Error message: ${err.message}\n`);
console.log('You will need to manually kill the daemon.');
} else {
console.log('Successfully stopped daemon via RPC call.')
quitNow();
}
});
} else {
}
if (daemonSubprocess) {
doShutdown();
} else if (!evenIfNotStartedByApp) {
console.log('Not killing lbrynet-daemon because app did not start it');
quitNow();
} else {
doShutdown();
}
// Is it safe to start the installer before the daemon finishes running?