Merge pull request #15 from isolomak/split_pieces

split pieces
isolomak · Jul 6, 2024 · db21384 · db21384
2 parents b0848e2 + e328911
commit db21384
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Showing 2 changed files with 15 additions and 7 deletions.
diff --git a/src/parse/TorrentParser.ts b/src/parse/TorrentParser.ts
@@ -198,17 +198,18 @@ export default class TorrentParser {
 	 */
 	private static _pieces(decodedData: BencodeDictionary): Array<Buffer> {
 		const torrentInfo = TorrentParser._info(decodedData);
-		const pieceLength = TorrentParser._pieceLength(decodedData);
 
-		if (!torrentInfo || !pieceLength || !Buffer.isBuffer(torrentInfo.pieces)) {
+		if (!torrentInfo || !Buffer.isBuffer(torrentInfo.pieces)) {
 			return [];
 		}
 
+		// console.log(torrentInfo.pieces.length, torrentInfo.pieces[0], pieceLength);
+
 		const pieces: Array<Buffer> = [];
 
-		for (let i = 0; i < torrentInfo.pieces.length; i += pieceLength) {
+		for (let i = 0; i < torrentInfo.pieces.length; i += 20) {
 			pieces.push(
-				torrentInfo.pieces.subarray(i, i + pieceLength)
+				torrentInfo.pieces.subarray(i, i + 20)
 			);
 		}
 

diff --git a/test/parse.test.ts b/test/parse.test.ts
@@ -274,13 +274,20 @@ describe('Parse tests', () => {
 			assert.deepStrictEqual(result.pieces, [ Buffer.from('4d92fb3893cc6ed5fbd0392dda657459b4675605', 'hex') ]);
 		});
 
-		test('should return empty array if no piece length', () => {
+		test('should split pieces', () => {
 			const result = parse(bencodec.encode({
 				info: {
-					pieces: Buffer.from('4d92fb3893cc6ed5fbd0392dda657459b4675605', 'hex')
+					'piece length': 32768,
+					pieces: Buffer.concat([
+						Buffer.from('4d92fb3893cc6ed5fbd0392dda657459b4675605', 'hex'),
+						Buffer.from('1234567890abcdef1234567890abcdef12345678', 'hex'),
+					]) 
 				}
 			}));
-			assert.deepStrictEqual(result.pieces, []);
+			assert.deepStrictEqual(result.pieces, [
+				Buffer.from('4d92fb3893cc6ed5fbd0392dda657459b4675605', 'hex'),
+				Buffer.from('1234567890abcdef1234567890abcdef12345678', 'hex'),
+			]);
 		});
 
 	});