A fast, event-driven network library for Rust that simplifies socket management with a message and endpoint abstraction.
message-io is a Rust library that provides a fast and easy-to-use event-driven network abstraction. It handles low-level socket operations, concurrency, and error management internally, exposing a simple API based on messages and endpoints. This allows developers to build networked applications without dealing with the complexities of direct OS socket programming.
Rust developers building networked applications, such as client-server systems, multiplayer games, or distributed services, who want a straightforward and performant networking layer without the overhead of more complex async runtimes.
Developers choose message-io for its simplicity, consistent multi-protocol API, and high performance. It eliminates common pain points like thread synchronization and error handling while offering zero-copy messaging and easy extensibility through custom adapters.
Fast and easy-to-use event-driven network library.
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Provides a consistent interface for TCP, UDP, and WebSockets, allowing protocol switches with one line of code, as shown in the echo server example that listens on multiple transports simultaneously.
Uses non-blocking sockets and zero-copy message handling for efficient data transfer, with benchmarks demonstrating scalability for thousands of connections and full-duplex communication.
Abstracts concurrency and error handling with only two main entities (NodeHandler and NodeListener), following the KISS principle to reduce network programming complexity.
Allows adding custom transport protocols via a small adapter interface, requiring about 150 lines of code to implement, as per the provided template and adapter rules.
Supports custom FIFO events, timers, and priority signals for application-level messaging, enabling scheduled tasks without external dependencies, as seen in the client example.
Secure WebSocket option is marked as an unresolved issue (#102), and WebAssembly support is only planned, limiting its use in secure or browser-based networking scenarios.
The library avoids async/await, which can make handling extensive asynchronous tasks more challenging, as acknowledged in the README when comparing to tokio for better organization.
For large-scale peer-to-peer applications, it lacks advanced tools like those in libp2p, making it better suited for simpler network topologies where built-in signaling is sufficient.
While simplifying concurrency, handling all events in one thread may not efficiently leverage multi-core systems for CPU-intensive operations, potentially bottlenecking performance in high-load scenarios.