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cleaning up

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Robin Müller 2024-06-01 00:50:02 +02:00
parent f2610dcbb6
commit 1159fca0ec
Signed by: muellerr
GPG Key ID: A649FB78196E3849
16 changed files with 467 additions and 126 deletions
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.gitignore vendored
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@ -1,2 +1 @@
/target /target
/libcsp

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README.md
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@ -14,7 +14,7 @@ In addition, it provides a workspace to allow updating the `libcsp` and the corr
more easily inside the `lib` directory. Some of the examples `libcsp` provides were ported to Rust more easily inside the `lib` directory. Some of the examples `libcsp` provides were ported to Rust
and are showcases in the `examples` directory. and are showcases in the `examples` directory.
## Getting started ## How it works
We assume that cargo should also take care of building the library. We assume that cargo should also take care of building the library.
@ -28,3 +28,40 @@ We assume that cargo should also take care of building the library.
It is recommended to have a look at the [example build script]() which should give you a general It is recommended to have a look at the [example build script]() which should give you a general
idea of how a build script might look like to integrate `libcsp`. idea of how a build script might look like to integrate `libcsp`.
## Running the example
The example uses both the builder crate and the bindings and API crate and implements the
[server/client example](https://github.com/libcsp/libcsp/blob/develop/examples/csp_server_client.c)
in Rust. You can run the example using the following steps:
1. Clone `libcsp` into the `lib` folder, for example by using the provided `lib/clone-csp.sh`
script.
2. You can now use `cargo run -p examples` to run the server/client example.
## Generating and update the bindings using the `lib` folder
The `lib` folder in this repository serves as the staging directory for the `libcsp` library to
build. However, it can also be used to update the bindings provided in `libcsp-rust` by providing
some tools and helpers to auto-generate and update the bindings file `bindings.rs`.
If you want to do this, you should install `bindgen-cli` first:
```sh
cargo install bindgen-cli --locked
```
`bindgen` needs some additional information provided by the user to generate the bindings:
An `autoconfig.h` file which is used to configure `libcsp`. Normally, this file is generated
by the C build system. This file is located at `cfg/csp` and is also updated automatically
when running the example application.
After cloning the repository, you can now run the following command to re-generate the bindings
file:
```sh
bindgen --use-core wrapper.h -- "-I./libcsp/include" "-I./cfg" "-I./libcsp/src" > bindings.rs
```
With the bindings file, you can now manually update the FFI bindings provided in
`libcsp-rust/src/ffi.rs` or in your own CSP library.

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/target

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examples/autoconfig.h
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@ -14,9 +14,11 @@
#define CSP_BUFFER_COUNT 15 #define CSP_BUFFER_COUNT 15
#define CSP_RDP_MAX_WINDOW 5 #define CSP_RDP_MAX_WINDOW 5
#define CSP_RTABLE_SIZE 10 #define CSP_RTABLE_SIZE 10
#define CSP_USE_RDP 1 #define CSP_USE_RDP 1
#define CSP_USE_HMAC 1 #define CSP_USE_HMAC 1
#define CSP_USE_PROMISC 1 #define CSP_USE_PROMISC 1
#define CSP_USE_RTABLE 0 #define CSP_USE_RTABLE 0
#define CSP_HAVE_LIBSOCKETCAN 0 #define CSP_HAVE_LIBSOCKETCAN 0
#define CSP_HAVE_LIBZMQ 0 #define CSP_HAVE_LIBZMQ 0

7
examples/build.rs
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@ -6,12 +6,19 @@ fn main() {
let out_dir = env::var("OUT_DIR").unwrap_or_default(); let out_dir = env::var("OUT_DIR").unwrap_or_default();
let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap_or_default(); let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap_or_default();
let manifest_path = PathBuf::from(&manifest_dir); let manifest_path = PathBuf::from(&manifest_dir);
let lib_cfg_dir = "../lib/cfg/csp";
let libcsp_path = "../lib/libcsp"; let libcsp_path = "../lib/libcsp";
let mut csp_builder = Builder::new(PathBuf::from(libcsp_path), PathBuf::from(&out_dir)); let mut csp_builder = Builder::new(PathBuf::from(libcsp_path), PathBuf::from(&out_dir));
csp_builder.compiler_warnings = false; csp_builder.compiler_warnings = false;
// We always re-generate the header file. // We always re-generate the header file.
generate_autoconf_header_file(manifest_path.clone(), &csp_builder.cfg) generate_autoconf_header_file(manifest_path.clone(), &csp_builder.cfg)
.expect("generating header file failed"); .expect("generating header file failed");
// Copy the file to lib/csp/cfg as well for binding generation.
std::fs::copy(
manifest_path.join("autoconfig.h"),
PathBuf::from(&lib_cfg_dir).join("autoconfig.h"),
)
.expect("copying autoconfig.h failed");
csp_builder csp_builder
.generate_autoconf_rust_file(manifest_path) .generate_autoconf_rust_file(manifest_path)
.expect("generating autoconfig.rs failed"); .expect("generating autoconfig.rs failed");

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lib/.gitignore vendored
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@ -1,2 +1 @@
/libcsp /libcsp
/cfg/csp/autoconfig.h

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lib/cfg/csp/template_autoconfig.h → lib/cfg/csp/autoconfig.h
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@ -4,10 +4,9 @@
#define CSP_HAVE_STDIO 1 #define CSP_HAVE_STDIO 1
#define CSP_ENABLE_CSP_PRINT 1 #define CSP_ENABLE_CSP_PRINT 1
#define CSP_PRINT_STDIO 1 #define CSP_PRINT_STDIO 1
#define CSP_REPRODUCIBLE_BUILDS 0 #define CSP_REPRODUCIBLE_BUILDS 0
#define CSP_QFIFO_LEN 15 #define CSP_QFIFO_LEN 16
#define CSP_PORT_MAX_BIND 16 #define CSP_PORT_MAX_BIND 16
#define CSP_CONN_RXQUEUE_LEN 16 #define CSP_CONN_RXQUEUE_LEN 16
#define CSP_CONN_MAX 8 #define CSP_CONN_MAX 8
@ -19,7 +18,7 @@
#define CSP_USE_RDP 1 #define CSP_USE_RDP 1
#define CSP_USE_HMAC 1 #define CSP_USE_HMAC 1
#define CSP_USE_PROMISC 1 #define CSP_USE_PROMISC 1
#define CSP_USE_RTABLE 1 #define CSP_USE_RTABLE 0
#define CSP_HAVE_LIBSOCKETCAN 0 #define CSP_HAVE_LIBSOCKETCAN 0
#define CSP_HAVE_LIBZMQ 1 #define CSP_HAVE_LIBZMQ 0

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libcsp-cargo-build/.gitignore vendored
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/target /target
/libcsp /Cargo.lock

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libcsp-cargo-build/Cargo.lock generated
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@ -0,0 +1,201 @@
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1
libcsp-cargo-build/NOTICE Normal file
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@ -0,0 +1 @@
This software contains code developed at the University of Stuttgart's Institute of Space Systems.

7
libcsp-cargo-build/README.md Normal file
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@ -0,0 +1,7 @@
libcsp-cargo-build
========
This crate provides a library to allow building the [`libcsp`](https://github.com/libcsp/libcsp)
with cargo. You can find some more high-level information and examples in the
[main workspace](https://egit.irs.uni-stuttgart.de/rust/libcsp-rust). The API documentation
should provide all additional advanced information you might require to tweak the `libcsp` build.

2
libcsp-cargo-build/src/lib.rs
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@ -286,6 +286,7 @@ pub fn generate_autoconf_header_file(out_dir: impl AsRef<Path>, cfg: &Config) ->
cfg.rtable_size cfg.rtable_size
)); ));
autoconf_file_string.push('\n');
autoconf_file_string.push_str(&format!( autoconf_file_string.push_str(&format!(
"#define {} {}\n", "#define {} {}\n",
autoconf::CFG_USE_RDP, autoconf::CFG_USE_RDP,
@ -307,6 +308,7 @@ pub fn generate_autoconf_header_file(out_dir: impl AsRef<Path>, cfg: &Config) ->
cfg.rtable as u32 cfg.rtable as u32
)); ));
autoconf_file_string.push('\n');
// TODO: Maybe those will be added at some point.. // TODO: Maybe those will be added at some point..
autoconf_file_string.push_str(&format!( autoconf_file_string.push_str(&format!(
"#define {} {}\n", "#define {} {}\n",

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libcsp-rust/.gitignore vendored
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/target
/Cargo.lock

201
libcsp-rust/LICENSE-APACHE Normal file
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@ -0,0 +1,201 @@
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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This software contains code developed at the University of Stuttgart's Institute of Space Systems.