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/*
* Copyright (C) 2019 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 "test/cts/utils.h"
#include <stdlib.h>
#include <sys/system_properties.h>
#include "perfetto/base/logging.h"
#include "perfetto/ext/base/file_utils.h"
#include "test/gtest_and_gmock.h"
namespace perfetto {
namespace {
// invokes |callback| once the target app is in the desired state
void PollRunState(bool desired_run_state,
base::TestTaskRunner* task_runner,
const std::string& name,
std::function<void()> callback) {
bool app_running = IsAppRunning(name);
if (app_running == desired_run_state) {
callback();
return;
}
task_runner->PostDelayedTask(
[desired_run_state, task_runner, name, callback] {
PollRunState(desired_run_state, task_runner, name, std::move(callback));
},
/*delay_ms=*/5);
}
} // namespace
bool IsDebuggableBuild() {
char buf[PROP_VALUE_MAX + 1] = {};
int ret = __system_property_get("ro.debuggable", buf);
PERFETTO_CHECK(ret >= 0);
return std::string(buf) == "1";
}
bool IsUserBuild() {
char buf[PROP_VALUE_MAX + 1] = {};
int ret = __system_property_get("ro.build.type", buf);
PERFETTO_CHECK(ret >= 0);
return std::string(buf) == "user";
}
// note: cannot use gtest macros due to return type
bool IsAppRunning(const std::string& name) {
std::string cmd = "pgrep -f ^" + name + "$";
int retcode = system(cmd.c_str());
PERFETTO_CHECK(retcode >= 0);
int exit_status = WEXITSTATUS(retcode);
if (exit_status == 0)
return true;
if (exit_status == 1)
return false;
PERFETTO_FATAL("unexpected exit status from system(pgrep): %d", exit_status);
}
int PidForProcessName(const std::string& name) {
std::string cmd = "pgrep -f ^" + name + "$";
FILE* fp = popen(cmd.c_str(), "re");
if (!fp)
return -1;
std::string out;
base::ReadFileStream(fp, &out);
pclose(fp);
char* endptr = nullptr;
int pid = static_cast<int>(strtol(out.c_str(), &endptr, 10));
if (*endptr != '\0' && *endptr != '\n')
return -1;
return pid;
}
void WaitForProcess(const std::string& process,
const std::string& checkpoint_name,
base::TestTaskRunner* task_runner,
uint32_t delay_ms) {
bool desired_run_state = true;
const auto checkpoint = task_runner->CreateCheckpoint(checkpoint_name);
task_runner->PostDelayedTask(
[desired_run_state, task_runner, process, checkpoint] {
PollRunState(desired_run_state, task_runner, process,
std::move(checkpoint));
},
delay_ms);
}
void StartAppActivity(const std::string& app_name,
const std::string& activity_name,
const std::string& checkpoint_name,
base::TestTaskRunner* task_runner,
uint32_t delay_ms) {
std::string start_cmd = "am start " + app_name + "/." + activity_name;
int status = system(start_cmd.c_str());
ASSERT_TRUE(status >= 0 && WEXITSTATUS(status) == 0) << "status: " << status;
WaitForProcess(app_name, checkpoint_name, task_runner, delay_ms);
}
void StopApp(const std::string& app_name,
const std::string& checkpoint_name,
base::TestTaskRunner* task_runner) {
std::string stop_cmd = "am force-stop " + app_name;
int status = system(stop_cmd.c_str());
ASSERT_TRUE(status >= 0 && WEXITSTATUS(status) == 0) << "status: " << status;
bool desired_run_state = false;
auto checkpoint = task_runner->CreateCheckpoint(checkpoint_name);
task_runner->PostTask([desired_run_state, task_runner, app_name, checkpoint] {
PollRunState(desired_run_state, task_runner, app_name,
std::move(checkpoint));
});
}
void StopApp(const std::string& app_name) {
std::string stop_cmd = "am force-stop " + app_name;
system(stop_cmd.c_str());
}
} // namespace perfetto
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