HP-Socket is a high-performance network communication framework written in C that provides TCP, UDP, HTTP, and WebSocket components for building scalable server and client applications.
The framework addresses the challenge of handling large-scale concurrent network connections by combining IOCP and EPOLL communication models with advanced memory management techniques including memory pools and private heaps. It offers three primary component types: Server components for handling many concurrent connections, Agent components that function as multi-client connectors using the same efficient architecture as servers, and Client components designed for smaller-scale scenarios using Event-Select and POLL models. The framework also provides SSL-enabled variants and HTTP-specific components for protocol-specific needs.
Developers should choose HP-Socket when building systems that require handling thousands of concurrent connections with minimal latency and memory overhead. The Server and Agent components are particularly suited for high-throughput scenarios like game servers, real-time communication platforms, or IoT data collection systems. The Client component works well for applications that need to maintain a single or small number of outbound connections. The framework supports cross-platform deployment across Windows, Linux, and Android through native implementations and NDK bindings, making it suitable for both desktop and mobile backends.
The project maintains active development with regular updates addressing performance optimization and bug fixes. The codebase demonstrates sustained engineering effort focused on memory efficiency and concurrent connection handling. Documentation is comprehensive, including development guides and architectural diagrams covering basic, SSL, and HTTP components. The project has spawned community extensions for macOS and .NET environments, indicating ongoing adoption and ecosystem growth around the core framework.