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High-performance open BitTorrent tracker (UDP, HTTP, WebTorrent)
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Joakim Frostegård f9428801bf aquatic: don't use atomic usizes in torrent state 
Doesn't make sense any more, since now a Mutex is used, not
dashmap with RwLock-like functionality
2020-05-06 00:27:16 +02:00
aquatic aquatic: don't use atomic usizes in torrent state 2020-05-06 00:27:16 +02:00
aquatic_bench Decide to use Apache 2.0 license, add file and update Cargo.toml's 2020-04-20 16:54:43 +02:00
aquatic_load_test Decide to use Apache 2.0 license, add file and update Cargo.toml's 2020-04-20 16:54:43 +02:00
bittorrent_udp Decide to use Apache 2.0 license, add file and update Cargo.toml's 2020-04-20 16:54:43 +02:00
cli_helpers Decide to use Apache 2.0 license, add file and update Cargo.toml's 2020-04-20 16:54:43 +02:00
documents Add load test pdf, remove load test details from README 2020-04-19 20:58:05 +02:00
scripts scripts/test.sh: add comment about quickcheck constants 2020-05-04 17:10:55 +02:00
.gitignore Add load test pdf, remove load test details from README 2020-04-19 20:58:05 +02:00
Cargo.lock Run cargo update 2020-04-28 13:25:59 +02:00
Cargo.toml add aquatic_load_test for benchmarking aquatic over the network 2020-04-19 10:21:12 +02:00
deny.toml Add cargo deny file deny.toml, check dependency licenses 2020-04-20 16:49:40 +02:00
LICENSE Decide to use Apache 2.0 license, add file and update Cargo.toml's 2020-04-20 16:54:43 +02:00
README.md README: in example config output, use actual defaults 2020-04-22 10:55:11 +02:00
TODO.md aquatic: don't use atomic usizes in torrent state 2020-05-06 00:27:16 +02:00

README.md

aquatic

Blazingly fast, multi-threaded UDP BitTorrent tracker written in Rust.

Aims to implements the UDP BitTorrent protocol, except that it:

  • Doesn't care about IP addresses sent in announce requests. The packet source IP is always used.
  • Doesn't track of the number of torrent downloads (0 is always sent).

Supports IPv4 and IPv6.

Installation and usage

Install rust (stable is fine) with rustup, as well as cmake. Then, compile and run aquatic:

./scripts/run-server.sh

To print default configuration as toml, pass the "-p" flag to the binary:

./scripts/run-server.sh -p

Example output:

socket_workers = 1
request_workers = 1

[network]
address = '127.0.0.1:3000'
max_scrape_torrents = 255
max_response_peers = 255
peer_announce_interval = 900
socket_recv_buffer_size = 524288
poll_event_capacity = 4096

[handlers]
max_requests_per_iter = 10000
channel_recv_timeout_microseconds = 200

[statistics]
interval = 5

[cleaning]
interval = 30
max_peer_age = 1200
max_connection_age = 300

To adjust the settings, save this text to a file and make your changes. The values you will most likely want to adjust are socket_workers (number of threads reading from and writing to sockets) and network.address. (Some documentation of the various options is available in source code file aquatic/src/lib/config.rs.) Then run aquatic with a "-c" argument pointing to the file, e.g.:

./scripts/run-server.sh -c "tmp/aquatic.toml"

Benchmarks

Performance was compared to opentracker using aquatic_load_test.

Server responses per second, best result in bold:

workers aquatic  opentracker
1 n/a 177k
2 168k 98k
3 187k 118k
4 216k 127k
6 309k 109k
8 408k 96k

(See documents/aquatic-load-test-2020-04-19.pdf for details.)

Copyright and license

Copyright (c) 2020 Joakim Frostegård

Distributed under Apache 2.0 license (details in LICENSE file.)

Trivia

The tracker is called aquatic because it thrives under a torrent of bits ;-)