src/sys/sysmgr/main.cc

// Copyright 2016 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.

#include <dirent.h>
#include <lib/async-loop/cpp/loop.h>
#include <lib/async-loop/default.h>
#include <lib/syslog/cpp/macros.h>
#include <string.h>
#include <sys/types.h>

#include <string>

#include "src/lib/fxl/command_line.h"
#include "src/lib/fxl/log_settings_command_line.h"
#include "src/sys/sysmgr/app.h"

#ifdef AUTO_UPDATE_PACKAGES
constexpr bool kAutoUpdatePackagesDefault = true;
#else
constexpr bool kAutoUpdatePackagesDefault = false;
#endif

// Flag that allows overriding the "auto_update_packages" default set in GN. Useful for tests.
const char kAutoUpdatePackages[] = "auto_update_packages";

int main(int argc, const char** argv) {
  auto command_line = fxl::CommandLineFromArgcArgv(argc, argv);
  if (!fxl::SetLogSettingsFromCommandLine(command_line)) {
    return 1;
  }

  bool auto_update_packages = kAutoUpdatePackagesDefault;
  if (command_line.HasOption(kAutoUpdatePackages)) {
    std::string s;
    command_line.GetOptionValue(kAutoUpdatePackages, &s);
    if (s == "true") {
      auto_update_packages = true;
    } else if (s == "false") {
      auto_update_packages = false;
    } else {
      FX_LOGS(ERROR) << "Invalid value for auto_update_packages: " << s;
      return ZX_ERR_INVALID_ARGS;
    }
  }

  async::Loop loop(&kAsyncLoopConfigAttachToCurrentThread);
  auto component_context = sys::ComponentContext::CreateAndServeOutgoingDirectory();
  FX_DCHECK(component_context);
  sysmgr::App app(auto_update_packages, component_context->svc(), &loop);
  loop.Run();
  return 0;
}