1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <unistd.h>
18
19 #include <memory>
20
21 #include <base/at_exit.h>
22 #include <base/logging.h>
23 #include <base/message_loop/message_loop.h>
24 #include <base/sys_info.h>
25 #include <base/time/time.h>
26 #include <binderwrapper/binder_wrapper.h>
27 #include <brillo/flag_helper.h>
28 #include <nativepower/power_manager_client.h>
29 #include <nativepower/wake_lock.h>
30
31 namespace {
32
33 // Seconds to sleep after acquiring a wake lock.
34 const int kWakeLockSleepSec = 5;
35
36 } // namespace
37
main(int argc,char * argv[])38 int main(int argc, char *argv[]) {
39 DEFINE_string(action, "",
40 "Action to perform (\"reboot\", \"shut_down\", \"suspend\", "
41 "\"wake_lock\")");
42
43 brillo::FlagHelper::Init(argc, argv, "Example power-management client.");
44 logging::InitLogging(logging::LoggingSettings());
45 base::AtExitManager at_exit;
46 base::MessageLoopForIO loop;
47 android::BinderWrapper::Create();
48
49 android::PowerManagerClient client;
50 CHECK(client.Init());
51
52 if (FLAGS_action == "reboot") {
53 LOG(INFO) << "Requesting reboot";
54 CHECK(client.Reboot(android::RebootReason::DEFAULT));
55 } else if (FLAGS_action == "shut_down") {
56 LOG(INFO) << "Requesting shutdown";
57 CHECK(client.ShutDown(android::ShutdownReason::DEFAULT));
58 } else if (FLAGS_action == "suspend") {
59 LOG(INFO) << "Requesting suspend";
60 CHECK(client.Suspend(base::SysInfo::Uptime(),
61 android::SuspendReason::APPLICATION, 0 /* flags */));
62 } else if (FLAGS_action == "wake_lock") {
63 LOG(INFO) << "Creating wake lock";
64 std::unique_ptr<android::WakeLock> lock(
65 client.CreateWakeLock("power_example", "power"));
66 CHECK(lock) << "Lock not created";
67 LOG(INFO) << "Sleeping for " << kWakeLockSleepSec << " seconds";
68 sleep(kWakeLockSleepSec);
69 } else {
70 LOG(FATAL) << "Unknown action \"" << FLAGS_action << "\"";
71 }
72
73 LOG(INFO) << "Exiting";
74 return 0;
75 }
76