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diff --git a/.gitignore b/.gitignore
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,4 @@
# Nix
result*
+services/backup/rust_lib/target/
diff --git a/services/backup/rust_lib/Cargo.lock b/services/backup/rust_lib/Cargo.lock
--- a/services/backup/rust_lib/Cargo.lock
+++ b/services/backup/rust_lib/Cargo.lock
@@ -2,6 +2,12 @@
# It is not intended for manual editing.
version = 3
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
[[package]]
name = "cc"
version = "1.0.73"
@@ -62,6 +68,33 @@
"syn",
]
+[[package]]
+name = "futures-core"
+version = "0.3.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2acedae88d38235936c3922476b10fced7b2b68136f5e3c03c2d5be348a1115"
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "libc"
+version = "0.2.132"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8371e4e5341c3a96db127eb2465ac681ced4c433e01dd0e938adbef26ba93ba5"
+
[[package]]
name = "link-cplusplus"
version = "1.0.6"
@@ -71,12 +104,28 @@
"cc",
]
+[[package]]
+name = "num_cpus"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
[[package]]
name = "once_cell"
version = "1.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
+[[package]]
+name = "pin-project-lite"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
+
[[package]]
name = "proc-macro2"
version = "1.0.43"
@@ -101,6 +150,10 @@
dependencies = [
"cxx",
"cxx-build",
+ "lazy_static",
+ "libc",
+ "tokio",
+ "tokio-stream",
]
[[package]]
@@ -129,6 +182,41 @@
"winapi-util",
]
+[[package]]
+name = "tokio"
+version = "1.20.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a8325f63a7d4774dd041e363b2409ed1c5cbbd0f867795e661df066b2b0a581"
+dependencies = [
+ "autocfg",
+ "num_cpus",
+ "once_cell",
+ "pin-project-lite",
+ "tokio-macros",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9724f9a975fb987ef7a3cd9be0350edcbe130698af5b8f7a631e23d42d052484"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tokio-stream"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df54d54117d6fdc4e4fea40fe1e4e566b3505700e148a6827e59b34b0d2600d9"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
[[package]]
name = "unicode-ident"
version = "1.0.3"
diff --git a/services/backup/rust_lib/Cargo.toml b/services/backup/rust_lib/Cargo.toml
--- a/services/backup/rust_lib/Cargo.toml
+++ b/services/backup/rust_lib/Cargo.toml
@@ -5,6 +5,10 @@
[dependencies]
cxx = "1.0"
+tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
+tokio-stream = "0.1.9"
+lazy_static = "1.4.0"
+libc = "0.2.132"
[build-dependencies]
cxx-build = "1.0"
diff --git a/services/backup/rust_lib/src/constants.rs b/services/backup/rust_lib/src/constants.rs
new file mode 100644
--- /dev/null
+++ b/services/backup/rust_lib/src/constants.rs
@@ -0,0 +1 @@
+pub const MPSC_CHANNEL_BUFFER_CAPACITY: usize = 1;
diff --git a/services/backup/rust_lib/src/lib.rs b/services/backup/rust_lib/src/lib.rs
--- a/services/backup/rust_lib/src/lib.rs
+++ b/services/backup/rust_lib/src/lib.rs
@@ -1,10 +1,52 @@
#[cxx::bridge]
mod ffi {
extern "Rust" {
- fn test_function() -> i32;
+ fn rust_is_initialized_cxx() -> bool;
+ fn rust_initialize_cxx() -> ();
+ unsafe fn rust_process_cxx(_: *const c_char) -> ();
+ fn rust_terminate_cxx() -> ();
}
}
-pub fn test_function() -> i32 {
- 0
+use tokio::runtime::Runtime;
+use tokio::sync::mpsc;
+use tokio::task::JoinHandle;
+use lazy_static::lazy_static;
+use std::sync::{Arc, Mutex};
+extern crate libc;
+use libc::c_char;
+
+pub struct Client {
+ tx: Option<mpsc::Sender<String>>,
+ handle: Option<JoinHandle<()>>,
+}
+
+lazy_static! {
+ pub static ref CLIENT: Arc<Mutex<Client>> = Arc::new(Mutex::new(Client {
+ tx: None,
+ handle: None
+ }));
+ pub static ref RUNTIME: Runtime = Runtime::new().unwrap();
+}
+
+pub fn rust_is_initialized_cxx() -> bool {
+ if CLIENT.lock().expect("access client").tx.is_none() {
+ return false;
+ }
+ if CLIENT.lock().expect("access client").handle.is_none() {
+ return false;
+ }
+ return true;
+}
+
+pub fn rust_initialize_cxx() -> () {
+ unimplemented!();
+}
+
+pub fn rust_process_cxx(_: *const c_char) -> () {
+ unimplemented!();
+}
+
+pub fn rust_terminate_cxx() -> () {
+ unimplemented!();
}

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