P2P File Exchange

A memory-safe Napster-style P2P file sharing system built in C++, allowing users to locate and share files through a central index.

Key Features

• Parallel Downloads: Download file chunks from multiple peers simultaneously
• GUI Interface: GTK-based graphical user interface
• Dual Hash System: Reliable file identification and integrity verification
• Auto Peer Discovery: Heartbeat monitoring and dead peer removal

Architecture

• Index Server: Central registry tracking files and peer locations
• Peer Clients: File sharing nodes with GUI interface
• Streaming Protocol: Memory-efficient chunked file transfers

Quick Start

1. Start Index Server

# See index/README.md for compilation
cd build/
./index_server 8585

2. Start Peer Clients

# See peer/README.md for compilation
cd build/
./peer_client 9001 9002 127.0.0.1 127.0.0.1 8585 ../assets/Peer1/

Component Documentation

• Index Server - Central file registry
• Peer Client - File sharing client with GUI