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fixed bug on hanging on shutdown

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improved shutdown sequence
This commit is contained in:
Luca Armaroli
2020-09-20 23:15:15 +02:00
parent 38edbadf4a
commit 482a506145
1 changed files with 23 additions and 14 deletions
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37
src/destreamer.ts
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@@ -154,6 +154,7 @@ async function downloadVideo(videoGUIDs: Array<string>,
// FIXME: see issue with downloadManager below
let aria2cExec: ChildProcess | undefined;
let arai2cExited = false;
let downloadManager: DownloadManager | undefined;
await portfinder.getPortPromise().then(
port => {
@@ -161,8 +162,14 @@ async function downloadVideo(videoGUIDs: Array<string>,
// Launch aria2c
aria2cExec = exec(
`aria2c --enable-rpc --pause=true --rpc-listen-port=${port}`, (err, stdout, stderr) => {
logger.error(err?.message ?? (stderr || stdout));
process.exit(ERROR_CODE.ARIA2C_CRASH);
if (err) {
logger.error(err.message ? err.message : (stderr ? stderr : stdout));
process.exit(ERROR_CODE.ARIA2C_CRASH);
}
else {
logger.verbose('Aria2c proces exited');
arai2cExited = true;
}
}
);
// bind webSocket
@@ -330,10 +337,21 @@ async function downloadVideo(videoGUIDs: Array<string>,
logger.info(`Video no.${videos.indexOf(video) + 1} downloaded!!\n\n`);
}
logger.info('Exiting, this will take some seconds...');
logger.debug('[destreamer] closing downloader socket');
await downloadManager?.close();
logger.debug('[destreamer] closed downloader. Stopping aria2c deamon');
aria2cExec?.kill('SIGINT');
logger.debug('[destreamer] closed downloader. Waiting aria2c deamon exit');
let tries = 0;
while (!arai2cExited) {
if (tries < 10) {
tries++;
await new Promise(r => setTimeout(r, 1000));
}
else {
aria2cExec?.kill('SIGINT');
}
}
logger.debug('[destreamer] stopped aria2c');
return;
@@ -368,17 +386,8 @@ async function main(): Promise<void> {
`\thttps://web.microsoftstream.com/video/${guid} => ${outDirs[i]} \n`).join(''));
/* FIXME: [FATAL] we have 4 lingering socket connections and
I can't figure them out.
To see them use debug mode and after execution (I suggested using
--simulate) use 'process._getActiveHandles();' and
'process._getActiveRequests();' in the debug console to see lingering
Handles (where you can find the sockets) or Requests */
// fuck you bug, I WON!!!
await downloadVideo(videoGUIDs, outDirs, session);
// workaround for issue above
process.exit(0);
}