35 Commits

Author	SHA1	Message	Date
Jesse Li	06b849a44d	Fix bug which produced incorrect piece size	2020-01-02 11:49:08 -05:00
Jesse Li	873008bb96	Caveat that Download stores the file in memory	2020-01-02 10:51:13 -05:00
Jesse Li	22fc59dae3	Small refactor of downloadState ... Renames the struct to pieceProgress and makes readMessage/readMessages methods of the struct instead of arguments, to make it a little bit clearer that they modify the struct in-place.	2020-01-02 10:47:02 -05:00
Jesse Li	d4f6d1265d	Check error in request to client	2020-01-02 10:44:08 -05:00
Jesse Li	70713e028d	Fix race condition ... The download loop might finish and kill the worker goroutine before it's done sending HAVE messages. Switching the order of these two lines trivially fixes the issue (but it's still brittle)	2020-01-02 10:41:24 -05:00
Jesse Li	73a9a5216b	Break p2p.Peer and parsePeers into its own package	2020-01-02 10:39:35 -05:00
Jesse	402e4e1665	Correct the size of a piece ... Previously confused piece vs block	2019-12-30 10:23:15 -05:00
Jesse	928bbfeab4	Simplify download algorithm	2019-12-30 10:21:26 -05:00
Jesse	46b55339aa	Fix unit in comment about block size	2019-12-29 22:47:32 -05:00
Jesse	23f3a144af	Add logging around tracker and number of peers	2019-12-29 21:59:33 -05:00
Jesse	67066ad77c	Set 30 second deadline for pieces to download	2019-12-29 21:44:07 -05:00
Jesse	c4fbd50021	Make MaxBlockSize and MaxBacklog public	2019-12-29 20:59:10 -05:00
Jesse	43d771aa0d	Remove commented out code	2019-12-29 19:56:06 -05:00
Jesse	5a57bde05a	Use slightly more correct handling of choking	2019-12-29 19:51:17 -05:00
Jesse	97dbe49f57	Increase backlog to 5	2019-12-29 19:32:44 -05:00
Jesse	97f2be0747	Reorder algorithm steps	2019-12-29 19:26:57 -05:00
Jesse	0a5176e4ee	Decrease backlog	2019-12-29 19:14:44 -05:00
Jesse	ff89aa406c	Cleaner algorithm for downloading piece	2019-12-29 19:06:45 -05:00
Jesse	dced33b933	Report more accurate count of workers	2019-12-29 15:15:53 -05:00
Jesse	ffa8c82919	Rename downloadWorker to startDownloadWorker	2019-12-29 15:12:20 -05:00
Jesse	738af57ef1	Move big switch into a function	2019-12-29 15:06:17 -05:00
Jesse	9d7ddbc62c	Refactor p2p	2019-12-29 14:04:36 -05:00
Jesse	d7d46ab7ef	Finishes download	2019-12-27 14:33:03 -05:00
Jesse	06fab65638	Pipeline 5 requests at a time	2019-12-27 12:30:20 -05:00
Jesse	7e8cac2d3e	Incredibly messy and slow download	2019-12-26 21:53:11 -05:00
Jesse	b1fc8c7fb8	Add p2p client	2019-12-26 17:04:32 -05:00
Jesse Li	f9a22a6d9f	Add timeout mechanism	2019-12-24 13:26:09 -05:00
Jesse Li	415666a020	Implement handshake.New()	2019-12-24 11:05:22 -05:00
Jesse Li	c20965ebf5	Move handshake into its own package	2019-12-24 10:42:47 -05:00
Jesse Li	aa8ef0ed76	Close connection after handling error ... Fixes segfault when connection refused	2019-12-24 10:19:43 -05:00
Jesse	cdfb02a591	Implement formatting requests and parsing pieces	2019-12-23 12:58:23 -05:00
Jesse	7999e23fe1	Super janky download first piece	2019-12-22 23:51:31 -05:00
Jesse	12fac89ce5	Remove PieceLength from Downloader struct	2019-12-22 22:37:27 -05:00
Jesse	519d64fa9a	Stub out p2p interface	2019-12-22 22:25:57 -05:00
Jesse Li	2810320046	Receive handshake from peer!	2019-12-22 17:43:39 -05:00