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// 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