{"id":21421194,"url":"https://github.com/owenliang/dht","last_synced_at":"2025-07-13T20:05:22.213Z","repository":{"id":43642718,"uuid":"115077221","full_name":"owenliang/dht","owner":"owenliang","description":"一个DHT爬虫","archived":false,"fork":false,"pushed_at":"2018-01-18T07:49:14.000Z","size":47,"stargazers_count":25,"open_issues_count":0,"forks_count":6,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-04-08T03:51:31.828Z","etag":null,"topics":["bencode","crawler","dht"],"latest_commit_sha":null,"homepage":null,"language":"Go","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/owenliang.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2017-12-22T04:41:55.000Z","updated_at":"2024-08-28T15:42:16.000Z","dependencies_parsed_at":"2022-09-18T23:41:29.844Z","dependency_job_id":null,"html_url":"https://github.com/owenliang/dht","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/owenliang/dht","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/owenliang%2Fdht","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/owenliang%2Fdht/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/owenliang%2Fdht/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/owenliang%2Fdht/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/owenliang","download_url":"https://codeload.github.com/owenliang/dht/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/owenliang%2Fdht/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":265198356,"owners_count":23726448,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","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":["bencode","crawler","dht"],"created_at":"2024-11-22T20:32:21.229Z","updated_at":"2025-07-13T20:05:22.184Z","avatar_url":"https://github.com/owenliang.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"# dht\n\n## 介绍\n\nDHT是去中心化P2P下载的重要技术，它避免了BT下载依赖中心tracker节点来获取拥有资源的节点列表。\n\nDHT通过P2P的方式传播资源的拥有者信息，而不在依靠tracker，而这个传播的算法就是DHT。\n\nDHT并不是下载协议，最终资源下载仍旧是BT协议（种子），DHT是在帮助我们在P2P网络种找到下载地址。\n\n具体参考官方论文：[DHT Protocol](http://www.bittorrent.org/beps/bep_0005.html)\n\n## 计划\n\n分步骤实现一个DHT协议的种子爬虫，因为涉及的知识点比较多，一次性实现也不是很有数，所以暂定一个计划：\n\n* 实现bencode协议的序列化/反序列化（bencode.go）\n* 创建UDP SOCKET，尝试向大型的DHT节点发送4种协议的请求，并接受应答进行观察（krpc.go）\n* 实现路由表Routing table，利用UDP请求/应答得到的其他Node，维护自己的亲近朋友列表（routing.go）\n* 接受外部应答，更新Routing table中活跃状态，或增加节点（不做了,因为爬虫没必要）\n* 接受外部调用，返回Routing table信息，更新活跃状态，增加节点（不做了，因为爬虫没必要）\n* 将收到的announce peers中的infohash与peer下载地址，先打印成日志保存（已实现）\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fowenliang%2Fdht","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fowenliang%2Fdht","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fowenliang%2Fdht/lists"}