Rust: FFI(Foreign function interface)

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related:

• Dart: FFI(Foreign function interface) - Binding C/C++/Go/Rust Libs For Dart #242
• Rust: Libraries about Blockchain/Cryptography #354
• Rust: release binary #353

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Rust + FFI 绑定 core lib 给其他语言调用:

• Rust 是非常非常适合做 core lib 层的跨平台方案.
• Flutter 适合 UI 层(交互层) 的跨平台方案.
• Rust + Flutter 是非常完美的架构组合方案, 兼顾效率和性能.
• FFI

Rust + FFI 方案:

• https://learnku.com/docs/nomicon/2018/110-ffi/4756

搜索包:

• https://crates.io/keywords/ffi

1. 💎💎💎 主调方(as Caller): Rust call C/C++

• 调用方: 调用其他语言, call others.

tools:

• https://github.com/rust-lang/rust-bindgen
  • ⭐⭐⭐⭐⭐
  • https://rust-lang.github.io/rust-bindgen/command-line-usage.html
• https://github.com/adetaylor/rust-bindgen
  • ⭐⭐⭐⭐⭐
  • 有用的 fork
• https://github.com/google/autocxx
  • ⭐⭐⭐⭐⭐
  • Google 项目
• https://github.com/rust-qt/ritual
  • ⭐⭐⭐⭐⭐

示例参考项目:

• https://github.com/rust-bitcoin/rust-secp256k1/blob/master/secp256k1-sys/build.rs#L31
  • ⭐⭐⭐⭐⭐
• https://github.com/fitzgen/bindgen-tutorial-bzip2-sys
  • 官方示例
• https://github.com/lesterli/rust-practice/tree/master/ffi/secp256k1-sys

👿👿👿👿 Mac M1 兼容性问题:

• rust ffi 在 MacOS M1 下, 有一些兼容性问题.
• Tracking issue for supporting macOS on Apple Silicon (a.k.a arm64, M1, M2, aarch64) rust-lang/rust#73908
• Compilation fails on Mac M1 rust-bitcoin/rust-secp256k1#283

教程:

• https://doc.rust-lang.org/nomicon/ffi.html
• https://wiki.jikexueyuan.com/project/rust-primer/ffi/calling-ffi-function.html
• https://stevenbai.top/rustbook/book/interoperability/c-with-rust.html
• https://rustcc.cn/article?id=9219a366-84d3-49c8-b957-dfbade1257fc

2. 💎💎💎 被调方(as Callee): C/C++ call Rust

• 被调方: 被其他语言调用, as core lib for others.

tools:

• https://github.com/eqrion/cbindgen
  • ⭐⭐⭐⭐⭐
• https://github.com/getditto/safer_ffi
  • ⭐⭐⭐⭐⭐

教程:

• https://rustcc.cn/article?id=9219a366-84d3-49c8-b957-dfbade1257fc
• https://stevenbai.top/rustbook/book/interoperability/rust-with-c.html
• https://github.com/bitcoin-core/secp256k1
• binding: https://github.com/rust-bitcoin/rust-secp256k1
• https://doc.rust-lang.org/nomicon/ffi.html#calling-rust-code-from-c
• https://wiki.jikexueyuan.com/project/rust-primer/ffi/compiling-rust-to-lib.html
• 使用Rust加速你的Python代码

3. 💎💎💎 双向桥: rust vs c++

• https://github.com/dtolnay/cxx
  • ⭐⭐⭐⭐⭐
  • rust + c++ 双向桥
  • https://cxx.rs/index.html

4. 其他:

• https://github.com/shekohex/flutterust
• https://github.com/TimNN/cargo-lipo
• https://github.com/rodrimati1992/abi_stable_crates

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Rust + FFI + Flutter:

with Flutter:

• https://github.com/brickpop/flutter-rust-ffi
  • 使用方式
• https://github.com/fzyzcjy/flutter_rust_bridge
  • ⭐⭐⭐⭐⭐
  • 已经支持除 web, 所有平台. web 支持在开发ing.
  • 使用示例: https://github.com/fzyzcjy/flutter_rust_bridge/blob/master/frb_example/with_flutter/rust/src/lib.rs
  • web 支持进展: Tracking issue for web support fzyzcjy/flutter_rust_bridge#315

Rust + FFI + Flutter 典型案例:

• https://github.com/AppFlowy-IO/AppFlowy

一个漫画阅读器:

• https://github.com/Hentioe/mikack
• https://github.com/Hentioe/mikack-ffi
• https://github.com/Hentioe/mikack-dart
• https://github.com/Hentioe/mikack-mobile

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Rust + FFI + Java(JNI):

• https://github.com/jni-rs/jni-rs

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Rust FFI (被调方):

工具链: cbindgen

• https://github.com/eqrion/cbindgen

参考:

• Rust FFI 编程 - cbindgen 工具介绍
• Rust FFI 编程 - cbindgen 使用示例
• https://guonaihong.github.io/post/call-c-dynamic-library-in-rust-bingen-2/
• 案例: https://github.com/lesterli/rust-practice/blob/master/ffi/example_03/cbindgen.toml
  • ⭐⭐⭐⭐⭐

# 安装: 
cargo install --force cbindgen


# 生成: 
cbindgen --config cbindgen.toml --crate my_rust_library --output my_header.h

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Rust + FFI + Mac M1 问题:

• https://xuanwo.io/2021/10-rust-cross-aarch64/
• 一个可能的解决思路.
• 待尝试.