bin/guest/pkg/biscotti_guest/bin/main.cc

// Copyright 2018 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 <lib/async-loop/cpp/loop.h>
#include <lib/component/cpp/startup_context.h>
#include <lib/fxl/command_line.h>
#include <lib/fxl/logging.h>

#include "garnet/bin/guest/pkg/biscotti_guest/bin/linux_runner.h"

void PrintUsage();

int main(int argc, const char** argv) {
  fxl::CommandLine cl = fxl::CommandLineFromArgcArgv(argc, argv);
  if (cl.HasOption("help")) {
    PrintUsage();
    return 0;
  }

  async::Loop loop(&kAsyncLoopConfigAttachToThread);
  biscotti::LinuxRunner runner;
  zx_status_t status = runner.Init(std::move(cl));
  if (status != ZX_OK) {
    FXL_LOG(ERROR) << "Failed to start guest: " << status;
    return -1;
  }
  loop.Run();
  return 0;
}

void PrintUsage() {
  std::cout << "Usage: run biscotti [options]\n"
               "\n"
               "Options:\n"
               "--help            print this message and exit.\n"
               "--ip <addr>       configure the guest to use ip <addr>.\n"
               "--netmask <addr>  configure the guest to use netmask <addr>.\n"
               "--gateway <addr>  configure the guest to use gateway <addr>.\n"
               "--vm              boot to a minimal VM shell without "
               "networking or containers\n"
               "                  configured\n"
               "\n"
               "If none of 'ip', 'netmask', or 'gateway' are provided, then "
               "the guest network\n"
               "will be left unconfigured. You'll need to configure networking "
               "on the first\n"
               "boot to setup the debian container.\n"
            << std::endl;
}