mirrors/cobalt
1
0
Fork 0
mirror of https://github.com/imputnet/cobalt.git synced 2025-07-18 19:28:29 +00:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

stream/internal: return from generator when AbortController aborts

Browse Source
This commit is contained in:
dumbmoron 2024-06-14 08:44:44 +00:00
parent 21d5b4b8d4
commit 2ab1a01e91
No known key found for this signature in database
1 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
src/modules/stream/internal.js
View File

@ -1,6 +1,5 @@
import { request } from 'undici';
import { Readable } from 'node:stream';
import { assert } from 'console';
import { getHeaders, pipe } from './shared.js';
import { handleHlsPlaylist, isHlsRequest } from './internal-hls.js';
@ -36,21 +35,17 @@ async function* readChunks(streamInfo, size) {
read += received;
}
}
function chunkedStream(streamInfo, size) {
assert(streamInfo.controller instanceof AbortController);
const stream = Readable.from(readChunks(streamInfo, size));
return stream;
}
async function handleYoutubeStream(streamInfo, res) {
const { signal } = streamInfo.controller;
try {
const req = await fetch(streamInfo.url, {
headers: getHeaders('youtube'),
method: 'HEAD',
dispatcher: streamInfo.dispatcher,
signal: streamInfo.controller.signal
signal
});
streamInfo.url = req.url;
@ -60,7 +55,16 @@ async function handleYoutubeStream(streamInfo, res) {
return res.end();
}
const stream = chunkedStream(streamInfo, size);
const generator = readChunks(streamInfo, size);
const abortGenerator = () => {
generator.return();
signal.removeEventListener('abort', abortGenerator);
}
signal.addEventListener('abort', abortGenerator);
const stream = Readable.from(generator);
for (const headerName of ['content-type', 'content-length']) {
const headerValue = req.headers.get(headerName);
@ -69,6 +73,7 @@ async function handleYoutubeStream(streamInfo, res) {
pipe(stream, res, () => res.end());
} catch {
signal.abort();
res.end();
}
}