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//
// Copyright 2021 Google, Inc.
//
// 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.
use std::env;
use std::path::{Path, PathBuf};
use std::process::Command;
fn main() {
generate_packets();
}
fn generate_packets() {
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
let gd_root = match env::var("PLATFORM_SUBDIR") {
Ok(dir) => PathBuf::from(dir).join("bt/gd"),
// Currently at //platform2/gd/rust/rust/packets
Err(_) => PathBuf::from(env::current_dir().unwrap()).join("../..").canonicalize().unwrap(),
};
let input_files = [gd_root.join("hci/hci_packets.pdl")];
let outputted = [out_dir.join("../../hci/hci_packets.rs")];
// Find the packetgen tool. Expecting it at CARGO_HOME/bin
let packetgen = match env::var("CARGO_HOME") {
Ok(dir) => PathBuf::from(dir).join("bin").join("bluetooth_packetgen"),
Err(_) => PathBuf::from("bluetooth_packetgen"),
};
if !Path::new(packetgen.as_os_str()).exists() {
panic!("Unable to locate bluetooth packet generator:{:?}", packetgen.as_os_str().to_str().unwrap());
}
for i in 0..input_files.len() {
let output = Command::new(packetgen.as_os_str().to_str().unwrap())
.arg("--source_root=".to_owned() + gd_root.as_os_str().to_str().unwrap())
.arg("--out=".to_owned() + out_dir.as_os_str().to_str().unwrap())
.arg("--include=bt/gd")
.arg("--rust")
.arg(input_files[i].as_os_str().to_str().unwrap())
.output()
.unwrap();
println!(
"Status: {}, stdout: {}, stderr: {}",
output.status,
String::from_utf8_lossy(output.stdout.as_slice()),
String::from_utf8_lossy(output.stderr.as_slice())
);
// File will be at ${OUT_DIR}/../../${input_files[i].strip('.pdl')}.rs
std::fs::rename(
outputted[i].as_os_str().to_str().unwrap(),
out_dir.join(outputted[i].file_name().unwrap()).as_os_str().to_str().unwrap(),
)
.unwrap();
}
}
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