vertexclique / Nuclei
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Nuclei is a proactor-based IO system which is runtime agnostic and can work with any runtime. The proactor system's design principles are matching Boost Asio. Nuclei is not using a conventional reactor approach. It is completely asynchronous, and it's wrapping poll based IO in a proactive fashion.
Nuclei uses epoll on Linux as the primary evented IO backend, secondarily (given system support) you can use io_uring. On MacOS, Nuclei is using kqueue. On Windows, the IOCP backend will be used.
The current io_uring implementation needs a modern Linux kernel (5.6+).
Features
- Async TCP, UDP, Unix domain sockets and files...
- The proactor system doesn't block
- Scatter/Gather operations
- Minimal allocation
- More expressive than any other runtime
- Completely asynchronous I/O system with lock free programming
Examples
Please head to examples
directory to run the examples:
$ cd examples
$ cargo run --example fread-vect
Tests
$ cargo test --no-default-features --features=iouring # For iouring
$ cargo test # For others
Configurations
Evented IO backend
When the iouring
feature gate is not enabled, the platforms evented backend is used. For example, on Linux, epoll
would be used.
Executor
Executor is by default set to Bastion's executor. If you want to use
different executor, you can use one of the available runtimes with one of these features:
bastion
, asyncstd
, tokio
, smol
.
Licensed under either of LicenseApache License, Version 2.0 or MIT license at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this crate by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
Credits
Gif is from the documentary called "Particle Fever".