add also low level sys binding

rust/Cargo.toml

@@ -1,7 +1,7 @@
 [workspace]
 members = [
   "zypp-agama",
-  "zypp-agama-example",
+  "zypp-agama-example", "zypp-agama-sys",
 ]
 resolver = "2"
 

rust/zypp-agama-sys/README.md

@@ -0,0 +1,9 @@
+## Sys Crate for Agama Zypp
+
+Low level FFI bindings to agama-zypp c layer.
+
+How to regenerate bindings ( using bindgen-cli ):
+
+```
+bindgen --merge-extern-blocks headers.h -o src/bindings.rs -- -I../../c-layer/include
+```

rust/zypp-agama-sys/headers.h

@@ -0,0 +1,2 @@
+#include "lib.h"
+#include "callbacks.h"

rust/zypp-agama-sys/src/bindings.rs

@@ -0,0 +1,139 @@
+/* automatically generated by rust-bindgen 0.70.1 */
+
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct ProgressData {
+    pub value: ::std::os::raw::c_longlong,
+    pub name: *const ::std::os::raw::c_char,
+}
+#[allow(clippy::unnecessary_operation, clippy::identity_op)]
+const _: () = {
+    ["Size of ProgressData"][::std::mem::size_of::<ProgressData>() - 16usize];
+    ["Alignment of ProgressData"][::std::mem::align_of::<ProgressData>() - 8usize];
+    ["Offset of field: ProgressData::value"][::std::mem::offset_of!(ProgressData, value) - 0usize];
+    ["Offset of field: ProgressData::name"][::std::mem::offset_of!(ProgressData, name) - 8usize];
+};
+pub type ZyppProgressCallback = ::std::option::Option<
+    unsafe extern "C" fn(
+        zypp_data: ProgressData,
+        user_data: *mut ::std::os::raw::c_void,
+    ) -> ::std::os::raw::c_int,
+>;
+pub const PROBLEM_RESPONSE_PROBLEM_RETRY: PROBLEM_RESPONSE = 0;
+pub const PROBLEM_RESPONSE_PROBLEM_ABORT: PROBLEM_RESPONSE = 1;
+pub const PROBLEM_RESPONSE_PROBLEM_IGNORE: PROBLEM_RESPONSE = 2;
+pub type PROBLEM_RESPONSE = ::std::os::raw::c_uint;
+pub type ZyppDownloadStartCallback = ::std::option::Option<
+    unsafe extern "C" fn(
+        url: *const ::std::os::raw::c_char,
+        localfile: *const ::std::os::raw::c_char,
+        user_data: *mut ::std::os::raw::c_void,
+    ),
+>;
+pub type ZyppDownloadProgressCallback = ::std::option::Option<
+    unsafe extern "C" fn(
+        value: ::std::os::raw::c_int,
+        url: *const ::std::os::raw::c_char,
+        bps_avg: f64,
+        bps_current: f64,
+        user_data: *mut ::std::os::raw::c_void,
+    ) -> ::std::os::raw::c_int,
+>;
+pub type ZyppDownloadProblemCallback = ::std::option::Option<
+    unsafe extern "C" fn(
+        url: *const ::std::os::raw::c_char,
+        error: ::std::os::raw::c_int,
+        description: *const ::std::os::raw::c_char,
+        user_data: *mut ::std::os::raw::c_void,
+    ) -> PROBLEM_RESPONSE,
+>;
+pub type ZyppDownloadFinishCallback = ::std::option::Option<
+    unsafe extern "C" fn(
+        url: *const ::std::os::raw::c_char,
+        error: ::std::os::raw::c_int,
+        reason: *const ::std::os::raw::c_char,
+        user_data: *mut ::std::os::raw::c_void,
+    ),
+>;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct Repository {
+    pub url: *mut ::std::os::raw::c_char,
+    pub alias: *mut ::std::os::raw::c_char,
+    pub userName: *mut ::std::os::raw::c_char,
+}
+#[allow(clippy::unnecessary_operation, clippy::identity_op)]
+const _: () = {
+    ["Size of Repository"][::std::mem::size_of::<Repository>() - 24usize];
+    ["Alignment of Repository"][::std::mem::align_of::<Repository>() - 8usize];
+    ["Offset of field: Repository::url"][::std::mem::offset_of!(Repository, url) - 0usize];
+    ["Offset of field: Repository::alias"][::std::mem::offset_of!(Repository, alias) - 8usize];
+    ["Offset of field: Repository::userName"]
+        [::std::mem::offset_of!(Repository, userName) - 16usize];
+};
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct RepositoryList {
+    pub size: ::std::os::raw::c_uint,
+    pub repos: *mut Repository,
+}
+#[allow(clippy::unnecessary_operation, clippy::identity_op)]
+const _: () = {
+    ["Size of RepositoryList"][::std::mem::size_of::<RepositoryList>() - 16usize];
+    ["Alignment of RepositoryList"][::std::mem::align_of::<RepositoryList>() - 8usize];
+    ["Offset of field: RepositoryList::size"]
+        [::std::mem::offset_of!(RepositoryList, size) - 0usize];
+    ["Offset of field: RepositoryList::repos"]
+        [::std::mem::offset_of!(RepositoryList, repos) - 8usize];
+};
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct Status {
+    pub state: Status_STATE,
+    pub error: *mut ::std::os::raw::c_char,
+}
+pub const Status_STATE_STATE_SUCCEED: Status_STATE = 0;
+pub const Status_STATE_STATE_FAILED: Status_STATE = 1;
+pub type Status_STATE = ::std::os::raw::c_uint;
+#[allow(clippy::unnecessary_operation, clippy::identity_op)]
+const _: () = {
+    ["Size of Status"][::std::mem::size_of::<Status>() - 16usize];
+    ["Alignment of Status"][::std::mem::align_of::<Status>() - 8usize];
+    ["Offset of field: Status::state"][::std::mem::offset_of!(Status, state) - 0usize];
+    ["Offset of field: Status::error"][::std::mem::offset_of!(Status, error) - 8usize];
+};
+pub type ProgressCallback = ::std::option::Option<
+    unsafe extern "C" fn(
+        text: *const ::std::os::raw::c_char,
+        stage: ::std::os::raw::c_uint,
+        total: ::std::os::raw::c_uint,
+        user_data: *mut ::std::os::raw::c_void,
+    ),
+>;
+extern "C" {
+    pub fn set_zypp_progress_callback(
+        progress: ZyppProgressCallback,
+        user_data: *mut ::std::os::raw::c_void,
+    );
+    pub fn set_zypp_download_callbacks(
+        start: ZyppDownloadStartCallback,
+        progress: ZyppDownloadProgressCallback,
+        problem: ZyppDownloadProblemCallback,
+        finish: ZyppDownloadFinishCallback,
+        user_data: *mut ::std::os::raw::c_void,
+    );
+    pub fn free_status(s: Status);
+    pub fn init_target(
+        root: *const ::std::os::raw::c_char,
+        progress: ProgressCallback,
+        user_data: *mut ::std::os::raw::c_void,
+    ) -> ::std::os::raw::c_int;
+    pub fn list_repositories() -> RepositoryList;
+    pub fn free_repository_list(repo_list: *mut RepositoryList);
+    pub fn refresh_repositories(
+        status: *mut Status,
+        callback: ZyppProgressCallback,
+        data: *mut ::std::os::raw::c_void,
+    );
+    pub fn free_zypp();
+}

rust/zypp-agama-sys/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}