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//
// Copyright (C) 2015 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.
//
#include <base/command_line.h>
#include <base/logging.h>
#include <brillo/syslog_logging.h>
#include "dhcp_client/daemon.h"
using std::vector;
namespace {
namespace switches {
// Don't daemon()ize; run in foreground.
const char kForeground[] = "foreground";
// Flag to show the help message.
const char kHelp[] = "help";
// The help message shown if help flag is passed to the program.
const char kHelpMessage[] = "\n help message \n";
} // namespace switches
} // namespace
// Always logs to the syslog and logs to stderr if
// we are running in the foreground.
void SetupLogging(bool foreground,
const char* daemon_name) {
int log_flags = 0;
log_flags |= brillo::kLogToSyslog;
log_flags |= brillo::kLogHeader;
if (foreground) {
log_flags |= brillo::kLogToStderr;
}
brillo::InitLog(log_flags);
}
void OnStartup(const char* daemon_name, base::CommandLine* cl) {
LOG(INFO) << __func__;
SetupLogging(cl->HasSwitch(switches::kForeground), daemon_name);
return;
}
int main(int argc, char* argv[]) {
base::CommandLine::Init(argc, argv);
base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
if (cl->HasSwitch(switches::kHelp)) {
LOG(INFO) << switches::kHelpMessage;
return 0;
}
dhcp_client::Daemon daemon(base::Bind(&OnStartup, argv[0], cl));
daemon.Run();
return 0;
}