{"id":32173180,"url":"https://github.com/cit/krpc_protocol","last_synced_at":"2026-02-21T15:05:39.913Z","repository":{"id":57514063,"uuid":"60804047","full_name":"cit/krpc_protocol","owner":"cit","description":"KRPCProtocol is an elixir package for decoding and encoding mainline DHT 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unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["bittorrent","dht","elixir","krpc","mldht"],"created_at":"2025-10-21T18:50:22.723Z","updated_at":"2026-02-21T15:05:39.907Z","avatar_url":"https://github.com/cit.png","language":"Elixir","funding_links":[],"categories":[],"sub_categories":[],"readme":"# KRPCProtocol\n[![Build Status](https://travis-ci.org/cit/krpc_protocol.svg?branch=master)](https://travis-ci.org/cit/krpc_protocol)\n\nKRPCProtocol is an elixir package for decoding and encoding mainline DHT messages.\n\n## Installation\n\nFirst, add `krpc_protocol` to your `mix.exs` dependencies:\n\n```elixir\ndef deps do\n    [{:krpc_protocol, \"~\u003e 0.0.4\"}]\nend\n```\n\nThen, update your dependencies:\n\n```sh-session\n$ mix deps.get\n```\n\n## Usage\n\n### Encoding\n\n#### ping message\n\n```elixir\niex\u003e KRPCProtocol.encode(:ping, tid: \"aa\", node_id: \"aa\")\n\"d1:ad2:id2:aae1:q4:ping1:t2:aa1:y1:qe\"\n```\n\n#### find node query\n\n```elixir\niex\u003e KRPCProtocol.encode(:find_node, tid: \"aa\", node_id: \"bb\", target: \"cc\")\n\"d1:ad2:id2:bb6:target2:cc4:want2:n4e1:q9:find_node1:t2:aa1:y1:qe\"\n```\n\n#### get_peers query\n\n```elixir\niex\u003e KRPCProtocol.encode(:get_peers, node_id: \"aa\", info_hash: \"bb\", want: \"n6\", scrape: true, tid: \"aa\")\n\"d1:ad2:id2:aa9:info_hash2:bb6:scrapei1e4:want2:n6e1:q9:get_peers1:t2:aa1:y1:qe\"\n```\n\n#### announce\n\n```elixir\niex(5)\u003e KRPCProtocol.encode(:announce_peer, node_id: \"aa\", info_hash: \"bb\", token: \"aoeusnth\", tid: \"cc\", port: 2342)\n\"d1:ad2:id2:aa9:info_hash2:bb4:porti2342e5:token8:aoeusnthe1:q13:announce_peer1:t2:cc1:y1:qe\"\n```\n\n### Decoding\n\n```elixir\niex\u003e KRPCProtocol.decode(\"d1:ad2:id20:aaaaaaaaaaaaaaaaaaaae1:q4:ping1:t2:aa1:y1:qe\")\n{:ping, %{node_id: \"aaaaaaaaaaaaaaaaaaaa\", tid: \"aa\"}}\n```\n\n#### Errors\n\nThe decode function returns `{:invalid, error_msg}` if an error occurs during the decoding process such as an unknown message type or invalid bencoded payload.\n\n```elixir\niex\u003e KRPCProtocol.decode(\"abc\")\n{:invalid, \"Invalid becoded payload: \\\"abc\\\"\"}\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcit%2Fkrpc_protocol","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcit%2Fkrpc_protocol","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcit%2Fkrpc_protocol/lists"}