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DHT

DHT implements the bittorrent DHT protocol in Go. Now it includes:

It contains two modes, the standard mode and the crawling mode. The standard mode follows the BEPs, and you can use it as a standard dht server. The crawling mode aims to crawl as more metadata info as possiple. It doesn't follow the standard BEPs protocol. With the crawling mode, you can build another Pirate Bay.

bthub.io is a BT search engine based on the crawling mode.

Install

go get github.com/shiyanhui/dht

Example

Below is a simple spider. You can move here to see more samples. And you can also download the binary file to run on your machine.

import (
    "fmt"
    "github.com/shiyanhui/dht"
)

func main() {
    downloader := dht.NewWire()
    go func() {
        // once we got the request result
        for resp := range downloader.Response() {
            fmt.Println(resp.InfoHash, resp.MetadataInfo)
        }
    }()
    go downloader.Run()

    config := dht.NewCrawlConfig()
    config.OnAnnouncePeer = func(infoHash, ip string, port int) {
        // request to download the metadata info
        downloader.Request([]byte(infoHash), ip, port)
    }
    d := dht.New(config)

    d.Run()
}

License

MIT, read more here