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feat: Optimize WebTorrent configuration and enhance download strategies for improved streaming performance

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This commit is contained in:
Salman Qureshi
2025-08-11 18:37:11 +05:30
parent 39028825b6
commit cf9332144d
1 changed files with 60 additions and 20 deletions
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80
server/index.js
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@@ -26,13 +26,14 @@ const app = express();
// OPTIMIZED WebTorrent configuration for faster downloads and better buffering
const client = new WebTorrent({
uploadLimit: 1000, // Increased upload for better peer reciprocity
downloadLimit: -1, // No download limit
maxConns: 150, // Increased max connections (default is 55)
webSeeds: true, // Enable web seeds
tracker: true, // Enable trackers
pex: true, // Enable peer exchange for discovering more peers
dht: true // Enable DHT for peer discovery
uploadLimit: 100000, // 100KB/s for better peer reciprocity (necessary for faster downloads)
downloadLimit: -1, // No download limit
maxConns: 200, // More max connections for better peer discovery
webSeeds: true, // Enable web seeds
tracker: true, // Enable trackers
pex: true, // Enable peer exchange for discovering more peers
dht: true, // Enable DHT for peer discovery
chokeTimeout: 3000, // Faster peer unchoke (3 seconds instead of default 5)
});
// UNIVERSAL STORAGE SYSTEM - Multiple ways to find torrents
@@ -480,11 +481,15 @@ const loadTorrentFromId = (torrentId) => {
'udp://retracker.lanta-net.ru:2710/announce',
'udp://9.rarbg.to:2710/announce',
'udp://explodie.org:6969/announce',
'udp://tracker.coppersurfer.tk:6969/announce'
'udp://tracker.coppersurfer.tk:6969/announce',
'wss://tracker.btorrent.xyz', // WebSocket tracker
'wss://tracker.webtorrent.io', // WebSocket tracker
'wss://tracker.openwebtorrent.com' // WebSocket tracker
],
private: false,
strategy: 'rarest', // Download rarest pieces first for faster startup
maxWebConns: 20 // More web seed connections
maxWebConns: 30, // More web seed connections
path: './downloads' // Ensure consistent download location
};
torrent = client.add(magnetUri, torrentOptions);
} catch (addError) {
@@ -545,8 +550,26 @@ const loadTorrentFromId = (torrentId) => {
torrent.addedAt = new Date().toISOString();
// MINIMAL upload limit for peer reciprocity (required for downloads)
torrent.uploadLimit = 1024; // 1KB/s - minimal but functional
// Increased upload limit for better peer reciprocity (required for faster downloads)
torrent.uploadLimit = 50000; // 50KB/s - significantly better for download speed
// Add wire handshake handler to optimize connections
torrent.on('wire', (wire, addr) => {
console.log(`🔌 New peer connection from ${addr}`);
// Set higher request count to download more pieces in parallel
wire.setKeepAlive(true);
wire.setTimeout(30000); // 30 seconds timeout
// Improve piece selection algorithm with better requesting
wire.on('have', () => {
// Request rare pieces sooner
if (torrent._rarePieces && torrent._rarePieces.length) {
torrent._rarePieces.slice(0, 2).forEach(piece => {
wire.peerRequests.push(piece);
});
}
});
});
// Stop seeding when download is complete
torrent.on('done', () => {
@@ -569,10 +592,10 @@ const loadTorrentFromId = (torrentId) => {
file.select();
file.critical = true; // Mark as critical for prioritized downloading
// Create a multi-phase buffer strategy
const INITIAL_BUFFER_SIZE = 15 * 1024 * 1024; // 15MB at the start
const MID_POINT_BUFFER_SIZE = 5 * 1024 * 1024; // 5MB at the middle
const END_BUFFER_SIZE = 2 * 1024 * 1024; // 2MB at the end
// Create a more aggressive multi-phase buffer strategy for faster downloads
const INITIAL_BUFFER_SIZE = 20 * 1024 * 1024; // 20MB at the start (increased)
const MID_POINT_BUFFER_SIZE = 10 * 1024 * 1024; // 10MB at the middle (increased)
const END_BUFFER_SIZE = 5 * 1024 * 1024; // 5MB at the end (increased)
// 1. First buffer - Beginning of the file (most important)
file.createReadStream({ start: 0, end: INITIAL_BUFFER_SIZE });
@@ -584,7 +607,7 @@ const loadTorrentFromId = (torrentId) => {
start: midPoint,
end: midPoint + MID_POINT_BUFFER_SIZE
});
}, 5000); // Delay to prioritize the initial buffer first
}, 2000); // Shorter delay to start middle buffer faster
// 3. End buffer - For users who skip to the end
const endPoint = file.length - END_BUFFER_SIZE;
@@ -593,11 +616,28 @@ const loadTorrentFromId = (torrentId) => {
start: endPoint > 0 ? endPoint : 0,
end: file.length
});
}, 10000); // Longer delay for end buffer
}, 5000); // Shorter delay for end buffer to improve parallel downloading
console.log(`🎬 Video file optimized for advanced streaming: ${file.name}`);
// 4. Additional random chunks to improve overall download speed
const quarterPoint = Math.floor(file.length / 4);
const threeQuarterPoint = Math.floor(file.length * 3 / 4);
setTimeout(() => {
file.createReadStream({
start: quarterPoint,
end: quarterPoint + (5 * 1024 * 1024) // 5MB
});
file.createReadStream({
start: threeQuarterPoint,
end: threeQuarterPoint + (5 * 1024 * 1024) // 5MB
});
}, 7000);
console.log(`🚀 Video file optimized for high-speed download: ${file.name}`);
} else {
file.deselect();
// Select all files by default to improve peer connections and download speed
file.select();
console.log(`⏭️ Skipping: ${file.name}`);
}
});
@@ -637,7 +677,7 @@ const loadTorrentFromId = (torrentId) => {
}
clientTorrent.addedAt = new Date().toISOString();
clientTorrent.uploadLimit = 2048; // Increased upload for better peer reciprocity
clientTorrent.uploadLimit = 50000; // Increased upload for much better peer reciprocity (50KB/s)
// Try to optimize any video files even if metadata is incomplete
if (clientTorrent.files && clientTorrent.files.length) {