| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // 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 "cobalt/browser/suspend_fuzzer.h" |
| |
| namespace cobalt { |
| namespace browser { |
| |
| namespace { |
| |
| // How long to wait before starting the suspend fuzzer, if it is enabled. It |
| // is important that this value is large enough to let the hosted application |
| // get into its initialized state, since otherwise, we would likely not be |
| // fuzzing the main state of the application. |
| const base::TimeDelta kBeginTimeout = base::TimeDelta::FromSeconds(30); |
| |
| // How long to wait in between suspend fuzzer suspends and resumes, if it is |
| // enabled. |
| const base::TimeDelta kInterval = base::TimeDelta::FromSeconds(10); |
| |
| } // namespace |
| |
| SuspendFuzzer::SuspendFuzzer() |
| : thread_("suspend_fuzzer"), step_type_(kShouldRequestSuspend) { |
| thread_.Start(); |
| thread_.message_loop()->task_runner()->PostDelayedTask( |
| FROM_HERE, base::Bind(&SuspendFuzzer::DoStep, base::Unretained(this)), |
| kBeginTimeout); |
| } |
| |
| SuspendFuzzer::~SuspendFuzzer() { thread_.Stop(); } |
| |
| void SuspendFuzzer::DoStep() { |
| DCHECK(base::MessageLoop::current() == thread_.message_loop()); |
| if (step_type_ == kShouldRequestSuspend) { |
| SB_DLOG(INFO) << "suspend_fuzzer: Requesting suspend."; |
| SbSystemRequestSuspend(); |
| step_type_ = kShouldRequestUnpause; |
| } else if (step_type_ == kShouldRequestUnpause) { |
| SB_DLOG(INFO) << "suspend_fuzzer: Requesting unpause."; |
| SbSystemRequestUnpause(); |
| step_type_ = kShouldRequestSuspend; |
| } else { |
| NOTREACHED(); |
| } |
| base::MessageLoop::current()->task_runner()->PostDelayedTask( |
| FROM_HERE, base::Bind(&SuspendFuzzer::DoStep, base::Unretained(this)), |
| kInterval); |
| } |
| |
| } // namespace browser |
| } // namespace cobalt |