garnet/bin/power_manager/src/main.rs

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// core
mod error;
mod message;
mod node;
mod power_manager;
mod shutdown_request;
mod types;
mod utils;

// nodes
mod cpu_control_handler;
mod cpu_stats_handler;
mod crash_report_handler;
mod dev_control_handler;
mod driver_manager_handler;
mod shutdown_watcher;
mod system_power_handler;
mod system_shutdown_handler;
mod temperature_handler;
mod thermal_limiter;
mod thermal_policy;

#[cfg(test)]
mod test;

use crate::power_manager::PowerManager;
use anyhow::Error;
use fuchsia_async as fasync;
use fuchsia_trace_provider;
use log;
use stdout_to_debuglog;

struct SimpleLogger;

impl log::Log for SimpleLogger {
    fn enabled(&self, _metadata: &log::Metadata<'_>) -> bool {
        true
    }

    fn log(&self, record: &log::Record<'_>) {
        if self.enabled(record.metadata()) {
            if record.level() == log::Level::Error {
                println!(
                    "[power_manager] {}: {}({}): {}",
                    record.level(),
                    record.file().unwrap_or("??"),
                    record.line().unwrap_or(0),
                    record.args()
                );
            } else {
                println!("[power_manager] {}: {}", record.level(), record.args());
            }
        }
    }

    fn flush(&self) {}
}

#[fasync::run_singlethreaded]
async fn main() -> Result<(), Error> {
    // Setup logging
    stdout_to_debuglog::init().await?;
    log::set_logger(&SimpleLogger).expect("Failed to set SimpleLogger as global logger");
    log::set_max_level(log::LevelFilter::Info);
    log::info!("started");

    // Setup tracing
    fuchsia_trace_provider::trace_provider_create_with_fdio();

    // Set up the PowerManager
    let mut pm = PowerManager::new();

    // This future should never complete
    pm.run().await
}