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<h1>Agnostic</h1>
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<div align="center">
`agnostic` is an agnostic abstraction layer for any async runtime.
If you want a light weight crate, see `agnostic-lite`.
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</div>
## Introduction
`agnostic` is a comprehensive, runtime-agnostic abstraction layer for async Rust. It provides a unified API for task spawning, networking, DNS resolution, process management, and QUIC protocol support - all working seamlessly with tokio, or smol.
**Looking for a lightweight option?** Check out [`agnostic-lite`](../agnostic-lite/) for a minimal, `no_std`-compatible core.
## Features
- **Task Management**: Spawn tasks globally or locally
- **Time Operations**: Sleep, intervals, timeouts, and delays
- **Networking**: TCP listeners/streams and UDP sockets
- **DNS Resolution**: Multiple transports (DoH, DoT, DoQ, DoH3) with DNSSEC
- **Process Management**: Spawn and manage subprocesses
- **QUIC Support**: Quinn protocol integration
- **Runtime Agnostic**: Switch runtimes with a single feature flag
- **Zero-Cost**: Compiles to runtime-specific code
## Installation
```toml
[dependencies]
agnostic = "0.8"
```
### Runtime Selection
Choose one runtime feature:
```toml
# For tokio
agnostic = { version = "0.8", features = ["tokio"] }
# For smol
agnostic = { version = "0.8", features = ["smol"] }
```
### Optional Features
```toml
# Enable networking
agnostic = { version = "0.8", features = ["tokio", "net"] }
# Enable DNS resolution
agnostic = { version = "0.8", features = ["tokio", "dns"] }
# Enable DNS over HTTPS with rustls
agnostic = { version = "0.8", features = ["tokio", "dns-over-https-rustls"] }
# Enable DNS over QUIC
agnostic = { version = "0.8", features = ["tokio", "dns-over-quic"] }
# Enable DNSSEC
agnostic = { version = "0.8", features = ["tokio", "dnssec-ring"] }
# Enable process management
agnostic = { version = "0.8", features = ["tokio", "process"] }
# Enable Quinn QUIC
agnostic = { version = "0.8", features = ["tokio", "quinn"] }
```
## Feature Flags
### Core Features
- `std` (default): Standard library support
- `alloc`: Allocation support
### Runtime Features (choose one)
- `tokio`: Tokio runtime support
- `smol`: Smol runtime support
### Component Features
- `net`: Network abstractions (TCP, UDP)
- `dns`: DNS resolution support
- `process`: Process spawning and management
- `quinn`: Quinn QUIC protocol support
- `tokio-io`: Tokio I/O trait compatibility
### DNS Transport Features
- `dns-over-quic`: DNS over QUIC (RFC 9250)
- `dns-over-h3`: DNS over HTTP/3
- `dns-over-https-rustls`: DNS over HTTPS with rustls
- `dns-over-rustls`: DNS over TLS with rustls
- `dns-over-openssl`: DNS over TLS with OpenSSL
- `dns-over-native-tls`: DNS over TLS with native-tls
- `dns-webpki-roots`: Use webpki root certificates
- `dns-native-certs`: Use OS native certificates
### DNSSEC Features
- `dnssec`: Basic DNSSEC support
- `dnssec-openssl`: DNSSEC with OpenSSL
- `dnssec-ring`: DNSSEC with ring crypto library
## Comparison: agnostic vs agnostic-lite
| Feature | agnostic | agnostic-lite |
|---------|----------|---------------|
| Task spawning | ✅ | ✅ |
| Time operations | ✅ | ✅ |
| Networking | ✅ | ❌ |
| DNS resolution | ✅ | ❌ |
| Process management | ✅ | ❌ |
| QUIC support | ✅ | ❌ |
| `no_std` support | ❌ | ✅ |
| Alloc-free | ❌ | ✅ |
| No unsafe code | ❌ | ✅ |
Use `agnostic-lite` when:
- You need `no_std` or embedded support
- You want minimal dependencies
- You only need basic async primitives
Use `agnostic` when:
- You need networking, DNS, or process capabilities
- You're building standard applications
- You want a batteries-included experience
#### License
`agnostic` is under the terms of both the MIT license and the
Apache License (Version 2.0).
See [LICENSE-APACHE](LICENSE-APACHE), [LICENSE-MIT](LICENSE-MIT) for details.
Copyright (c) 2025 Al Liu.
[Github-url]: https://github.com/al8n/agnostic/
[CI-url]: https://github.com/al8n/agnostic/actions/workflows/ci.yml
[doc-url]: https://docs.rs/agnostic
[crates-url]: https://crates.io/crates/agnostic
[codecov-url]: https://app.codecov.io/gh/al8n/agnostic/