{"id":30213699,"url":"https://github.com/oguzbilgener/bmrng","last_synced_at":"2025-08-13T23:16:06.413Z","repository":{"id":43191120,"uuid":"317055757","full_name":"oguzbilgener/bmrng","owner":"oguzbilgener","description":"An async MPSC request-response channel for 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bmrng 🪃\n\n[![Crates.io](https://img.shields.io/crates/v/bmrng)](https://crates.io/crates/bmrng)\n[![Documentation](https://docs.rs/bmrng/badge.svg)](https://docs.rs/bmrng)\n![Unit Tests](https://github.com/oguzbilgener/bmrng/workflows/Unit%20Tests/badge.svg)\n[![Coverage Status](https://coveralls.io/repos/github/oguzbilgener/bmrng/badge.svg)](https://coveralls.io/github/oguzbilgener/bmrng)\n[![Dependency status](https://deps.rs/repo/github/oguzbilgener/bmrng/status.svg)](https://deps.rs/repo/github/oguzbilgener/bmrng/status.svg)\n\nAn async MPSC request-response channel for Tokio, where you can send a response to the sender.\nInspired by [crossbeam_requests](https://docs.rs/crate/crossbeam_requests).\n\n### Example\n\n\n```rust\n#[tokio::main]\nasync fn main() {\n    let buffer_size = 100;\n    let (tx, mut rx) = bmrng::channel::\u003ci32, i32\u003e(buffer_size);\n    tokio::spawn(async move {\n        while let Ok((input, mut responder)) = rx.recv().await {\n            if let Err(err) = responder.respond(input * input) {\n                println!(\"sender dropped the response channel\");\n            }\n        }\n    });\n    for i in 1..=10 {\n        if let Ok(response) = tx.send_receive(i).await {\n            println!(\"Requested {}, got {}\", i, response);\n            assert_eq!(response, i * i);\n        }\n    }\n}\n```\n\n#### Request Timeout\n\nIt is also possible to create a channel with a request timeout:\n\n```rust\nuse tokio::time::{Duration, sleep};\n#[tokio::main]\nasync fn main() {\n    let (tx, mut rx) = bmrng::channel_with_timeout::\u003ci32, i32\u003e(100, Duration::from_millis(100));\n    tokio::spawn(async move {\n        match rx.recv().await {\n            Ok((input, mut responder)) =\u003e {\n                sleep(Duration::from_millis(200)).await;\n                let res = responder.respond(input * input);\n                assert_eq!(res.is_ok(), true);\n            }\n            Err(err) =\u003e {\n                println!(\"all request senders dropped\");\n            }\n        }\n    });\n    let response = tx.send_receive(8).await;\n    assert_eq!(response, Err(bmrng::error::RequestError::\u003ci32\u003e::RecvTimeoutError));\n}\n```\n\n#### Unbounded Channel\n\nThere is also an unbounded alternative, `bmrng::unbounded_channel()` with sync `.send()` calls.","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Foguzbilgener%2Fbmrng","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Foguzbilgener%2Fbmrng","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Foguzbilgener%2Fbmrng/lists"}