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4 days ago
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A BitTorrent client implementation in Go that supports downloading files using the BitTorrent protocol. This project implements the core functionality of a BitTorrent client, including torrent file parsing, peer discovery, and file downloading.
-
Bencode Encoding/Decoding
- Support for all Bencode types (strings, integers, lists, dictionaries)
- Robust error handling and validation
-
Torrent File Processing
- Parse .torrent files (both single-file and multi-file torrents)
- Info hash calculation
- Piece hash extraction
- Support for all standard torrent file fields
-
Peer Discovery and Communication
- HTTP tracker support
- Peer handshake protocol
- Complete BitTorrent message protocol
- Peer connection management
-
Download Functionality
- Piece and block management
- Concurrent downloads
- Progress tracking
- File assembly for both single and multi-file torrents
- Storage management with block-level granularity
.
├── cmd/ # Command-line interface and main application
├── internal/ # Internal packages
│ ├── bencode/ # Bencode encoding/decoding
│ ├── torrent/ # Torrent file processing
│ ├── tracker/ # Tracker protocol implementation
│ ├── peer/ # Peer communication
│ └── download/ # Download management
└── pkg/ # Public packages
- Go 1.21 or later
git clone https://github.com/yourusername/go-torrent.git
cd go-torrent
go mod download
[Usage instructions will be added as the project matures]
This project is actively under development. Current implementation status can be found in checkpoint.md.
- Magnet link support
- Metadata exchange protocol
- DHT (Distributed Hash Table) support
