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//
// Copyright (C) 2020 The Android Open Source Project
//
// 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.
//
//! Daemon program to collect system traces.
use anyhow::{bail, Result};
use std::env;
const HELP_MSG: &str = r#"
profcollectd background daemon.
usage: profcollectd [command]
nostart Start daemon but do not schedule profile collection.
"#;
fn main() -> Result<()> {
libprofcollectd::init_logging();
let args: Vec<String> = env::args().collect();
if args.len() > 2 {
bail!("This program only takes one or no argument{}", &HELP_MSG);
}
if args.len() == 1 {
libprofcollectd::init_service(true)?;
}
let action = &args[1];
match action.as_str() {
"nostart" => libprofcollectd::init_service(false)?,
"help" => println!("{}", &HELP_MSG),
arg => bail!("Unknown argument: {}\n{}", &arg, &HELP_MSG),
}
Ok(())
}
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