set dependencies version and include bindgen in build script to create c bindgens

build.rs

@@ -1,4 +1,3 @@
-
 fn main() {
     cc::Build::new()
         .file("src/wireguard_manager/wireguard_wrapper.c")
@@ -9,4 +8,26 @@ fn main() {
         .compile("wireguard.a");
 
     println!("cargo::rerun-if-changed=src/wireguard.c");
+
+
+    // The bindgen::Builder is the main entry point
+    // to bindgen, and lets you build up options for
+    // the resulting bindings.
+    let bindings = bindgen::Builder::default()
+        // The input header we would like to generate
+        // bindings for.
+        .header("src/wireguard_manager/wireguard_wrapper.h")
+        // Tell cargo to invalidate the built crate whenever any of the
+        // included header files changed.
+        .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
+        // Finish the builder and generate the bindings.
+        .generate()
+        // Unwrap the Result and panic on failure.
+        .expect("Unable to generate bindings");
+
+    // Write the bindings to the $OUT_DIR/bindings.rs file.
+    //let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
+    bindings
+        .write_to_file("src/wireguard_manager/wireguard_wrapper.rs")
+        .expect("Couldn't write bindings!");
 }