Add rust interop PoC

This commit is contained in:
Sergey Kuznetsov
2026-04-27 17:43:49 +01:00
parent 4dc923dcc5
commit ffc55797b2
9 changed files with 723 additions and 0 deletions

3
.gitignore vendored
View File

@@ -86,3 +86,6 @@ __pycache__
# clangd cache
/.cache
# Rust build directory
crates/target

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@@ -131,6 +131,7 @@ if(coverage)
include(XrplCov)
endif()
add_subdirectory(crates)
include(XrplCore)
include(XrplProtocolAutogen)
include(XrplInstall)

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@@ -263,6 +263,8 @@ if(xrpld)
"${CMAKE_CURRENT_SOURCE_DIR}/src/test/*.cpp"
)
target_sources(xrpld PRIVATE ${sources})
target_link_libraries(xrpld rs_hello_world_cxxbridge)
endif()
target_link_libraries(xrpld Xrpl::boost Xrpl::opts Xrpl::libs xrpl.libxrpl)

17
crates/CMakeLists.txt Normal file
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@@ -0,0 +1,17 @@
include(FetchContent)
FetchContent_Declare(
Corrosion
GIT_REPOSITORY https://github.com/corrosion-rs/corrosion.git
GIT_TAG v0.6.1)
FetchContent_MakeAvailable(Corrosion)
corrosion_import_crate(MANIFEST_PATH ${CMAKE_CURRENT_SOURCE_DIR}/Cargo.toml)
corrosion_add_cxxbridge(rs_hello_world_cxxbridge CRATE rs_hello_world FILES
lib.rs)
# CMake 4.x validates PUBLIC interface sources when target_link_libraries is
# called by a consuming target, but the generated headers don't exist yet at
# configure time. Clear INTERFACE_SOURCES so the existence check is skipped;
# build-time ordering is still enforced by the custom commands inside the target.
set_target_properties(rs_hello_world_cxxbridge PROPERTIES INTERFACE_SOURCES "")

576
crates/Cargo.lock generated Normal file
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crates/Cargo.toml Normal file
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use std::sync::atomic::{AtomicBool, Ordering};
use tracing::info;
use tracing_appender::non_blocking::WorkerGuard;
use tracing_subscriber::{EnvFilter, fmt};
static LOGGER_INITIALIZED: AtomicBool = AtomicBool::new(false);
#[cxx::bridge(namespace = "rs::hello_world")]
mod ffi {
extern "Rust" {
type LoggerGuard;
fn init_logger() -> Box<LoggerGuard>;
fn hello_world() -> String;
fn log_info(s: &str);
}
}
pub struct LoggerGuard(WorkerGuard);
pub fn init_logger() -> Box<LoggerGuard> {
assert!(
!LOGGER_INITIALIZED.swap(true, Ordering::SeqCst),
"init_logger called more than once"
);
let (non_blocking, guard) = tracing_appender::non_blocking(std::io::stdout());
let filter = EnvFilter::try_from_default_env()
.unwrap_or_else(|_| EnvFilter::new("info"));
fmt()
.with_env_filter(filter)
.with_writer(non_blocking)
.init();
Box::new(LoggerGuard(guard))
}
pub fn hello_world() -> String {
"hello_world".to_string()
}
pub fn log_info(s: &str) {
info!("{s}");
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn hello_world_returns_hello_world() {
assert_eq!(hello_world(), "hello_world");
}
}

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#include <xrpl/beast/unit_test/suite.h>
#include <rs_hello_world_cxxbridge/lib.h>
namespace xrpl {
class RustInterop_test : public beast::unit_test::suite
{
public:
void
testHelloWorld()
{
testcase("hello_world");
auto result = rs::hello_world::hello_world();
BEAST_EXPECT(result == "hello_world");
}
void
testLogInfo()
{
testcase("log_info");
auto const guard = rs::hello_world::init_logger();
rs::hello_world::log_info("test log message from C++");
BEAST_EXPECT(true);
}
void
run() override
{
testHelloWorld();
testLogInfo();
}
};
BEAST_DEFINE_TESTSUITE(RustInterop, basics, xrpl);
} // namespace xrpl