rust/experimental/server/build.rs

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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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
//
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// software distributed under the License is distributed on an
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

use std::fs;
use std::path::Path;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    // generate the uniffle code for grpc server
    let mut config = prost_build::Config::new();
    config.bytes(&["."]);

    tonic_build::configure()
        .build_server(true)
        .out_dir("src/proto")
        .compile_with_config(config, &["src/proto/uniffle.proto"], &["."])?;

    // rename the generated filename to uniffle.rs
    rename_file("src/proto/rss.common.rs", "src/proto/uniffle.rs");

    Ok(())
}

fn rename_file(file_path: impl AsRef<Path>, renamed_path: impl AsRef<Path>) {
    let f = file_path.as_ref();
    if !f.exists() || !f.is_file() {
        panic!("The file is missing or not a file.");
    }
    fs::rename(&f, renamed_path).expect("Errors on renaming file.");
}