diff --git a/.gitignore b/.gitignore index f984574..ea8c4bf 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1 @@ /target -/libcsp diff --git a/README.md b/README.md index 1e92e62..8a22aa3 100644 --- a/README.md +++ b/README.md @@ -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 and are showcases in the `examples` directory. -## Getting started +## How it works 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 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. diff --git a/examples/.gitignore b/examples/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/examples/.gitignore @@ -0,0 +1 @@ +/target diff --git a/examples/autoconfig.h b/examples/autoconfig.h index ef24363..78c8887 100644 --- a/examples/autoconfig.h +++ b/examples/autoconfig.h @@ -14,9 +14,11 @@ #define CSP_BUFFER_COUNT 15 #define CSP_RDP_MAX_WINDOW 5 #define CSP_RTABLE_SIZE 10 + #define CSP_USE_RDP 1 #define CSP_USE_HMAC 1 #define CSP_USE_PROMISC 1 #define CSP_USE_RTABLE 0 + #define CSP_HAVE_LIBSOCKETCAN 0 #define CSP_HAVE_LIBZMQ 0 diff --git a/examples/build.rs b/examples/build.rs index fc2a85d..b139e49 100644 --- a/examples/build.rs +++ b/examples/build.rs @@ -6,12 +6,19 @@ fn main() { let out_dir = env::var("OUT_DIR").unwrap_or_default(); let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap_or_default(); let manifest_path = PathBuf::from(&manifest_dir); + let lib_cfg_dir = "../lib/cfg/csp"; let libcsp_path = "../lib/libcsp"; let mut csp_builder = Builder::new(PathBuf::from(libcsp_path), PathBuf::from(&out_dir)); csp_builder.compiler_warnings = false; // We always re-generate the header file. generate_autoconf_header_file(manifest_path.clone(), &csp_builder.cfg) .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 .generate_autoconf_rust_file(manifest_path) .expect("generating autoconfig.rs failed"); diff --git a/lib/.gitignore b/lib/.gitignore index bce0bfa..5946b3d 100644 --- a/lib/.gitignore +++ b/lib/.gitignore @@ -1,2 +1 @@ /libcsp -/cfg/csp/autoconfig.h diff --git a/lib/cfg/csp/template_autoconfig.h b/lib/cfg/csp/autoconfig.h similarity index 85% rename from lib/cfg/csp/template_autoconfig.h rename to lib/cfg/csp/autoconfig.h index d48549f..78c8887 100644 --- a/lib/cfg/csp/template_autoconfig.h +++ b/lib/cfg/csp/autoconfig.h @@ -4,10 +4,9 @@ #define CSP_HAVE_STDIO 1 #define CSP_ENABLE_CSP_PRINT 1 #define CSP_PRINT_STDIO 1 - #define CSP_REPRODUCIBLE_BUILDS 0 -#define CSP_QFIFO_LEN 15 +#define CSP_QFIFO_LEN 16 #define CSP_PORT_MAX_BIND 16 #define CSP_CONN_RXQUEUE_LEN 16 #define CSP_CONN_MAX 8 @@ -19,7 +18,7 @@ #define CSP_USE_RDP 1 #define CSP_USE_HMAC 1 #define CSP_USE_PROMISC 1 -#define CSP_USE_RTABLE 1 +#define CSP_USE_RTABLE 0 #define CSP_HAVE_LIBSOCKETCAN 0 -#define CSP_HAVE_LIBZMQ 1 +#define CSP_HAVE_LIBZMQ 0 diff --git a/libcsp-cargo-build/.gitignore b/libcsp-cargo-build/.gitignore index f984574..4fffb2f 100644 --- a/libcsp-cargo-build/.gitignore +++ b/libcsp-cargo-build/.gitignore @@ -1,2 +1,2 @@ /target -/libcsp +/Cargo.lock diff --git a/libcsp-cargo-build/Cargo.lock b/libcsp-cargo-build/Cargo.lock deleted file mode 100644 index 1e40921..0000000 --- a/libcsp-cargo-build/Cargo.lock +++ /dev/null @@ -1,118 +0,0 @@ -# This file is automatically @generated by Cargo. -# It is not intended for manual editing. -version = 3 - -[[package]] -name = "cc" -version = "1.0.98" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "41c270e7540d725e65ac7f1b212ac8ce349719624d7bcff99f8e2e488e8cf03f" - 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However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + +END OF TERMS AND CONDITIONS + +APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + +Copyright [yyyy] [name of copyright owner] + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. diff --git a/libcsp-cargo-build/NOTICE b/libcsp-cargo-build/NOTICE new file mode 100644 index 0000000..717a583 --- /dev/null +++ b/libcsp-cargo-build/NOTICE @@ -0,0 +1 @@ +This software contains code developed at the University of Stuttgart's Institute of Space Systems. diff --git a/libcsp-cargo-build/README.md b/libcsp-cargo-build/README.md new file mode 100644 index 0000000..ea802c4 --- /dev/null +++ b/libcsp-cargo-build/README.md @@ -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. diff --git a/libcsp-cargo-build/src/lib.rs b/libcsp-cargo-build/src/lib.rs index 297659b..f678ed2 100644 --- a/libcsp-cargo-build/src/lib.rs +++ b/libcsp-cargo-build/src/lib.rs @@ -286,6 +286,7 @@ pub fn generate_autoconf_header_file(out_dir: impl AsRef, cfg: &Config) -> cfg.rtable_size )); + autoconf_file_string.push('\n'); autoconf_file_string.push_str(&format!( "#define {} {}\n", autoconf::CFG_USE_RDP, @@ -307,6 +308,7 @@ pub fn generate_autoconf_header_file(out_dir: impl AsRef, cfg: &Config) -> cfg.rtable as u32 )); + autoconf_file_string.push('\n'); // TODO: Maybe those will be added at some point.. autoconf_file_string.push_str(&format!( "#define {} {}\n", diff --git a/libcsp-rust/.gitignore b/libcsp-rust/.gitignore index e69de29..4fffb2f 100644 --- a/libcsp-rust/.gitignore +++ b/libcsp-rust/.gitignore @@ -0,0 +1,2 @@ +/target +/Cargo.lock diff --git a/libcsp-rust/LICENSE-APACHE b/libcsp-rust/LICENSE-APACHE new file mode 100644 index 0000000..16fe87b --- /dev/null +++ b/libcsp-rust/LICENSE-APACHE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. 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