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/*
* Copyright (C) 2016, 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 "wificond/tests/integration/process_utils.h"
#include <unistd.h>
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <binder/IBinder.h>
#include <binder/IServiceManager.h>
#include <utils/String16.h>
#include <utils/StrongPointer.h>
#include "wificond/ipc_constants.h"
#include "wificond/tests/shell_utils.h"
using android::String16;
using android::base::StringPrintf;
using android::base::Trim;
using android::net::wifi::nl80211::IWificond;
using android::sp;
using android::wificond::ipc_constants::kServiceName;
namespace android {
namespace wificond {
namespace tests {
namespace integration {
namespace {
bool IsProcessRunning(const char* process_name) {
std::string output;
RunShellCommand(StringPrintf("pgrep -c ^%s$", process_name), &output);
output = Trim(output);
if (output == "0") {
return false;
}
return true;
}
}
const uint32_t ScopedDevModeWificond::kSystemServerDeathTimeoutSeconds = 10;
const uint32_t ScopedDevModeWificond::kSystemServerStartTimeoutSeconds = 10;
const uint32_t ScopedDevModeWificond::kWificondDeathTimeoutSeconds = 10;
const uint32_t ScopedDevModeWificond::kWificondStartTimeoutSeconds = 10;
ScopedDevModeWificond::~ScopedDevModeWificond() {
if (in_dev_mode_) {
ExitDevMode();
}
}
sp<IWificond> ScopedDevModeWificond::EnterDevModeOrDie() {
sp<IWificond> service;
RunShellCommand("stop wificond");
CHECK(WaitForTrue(WificondIsDead, kWificondDeathTimeoutSeconds));
RunShellCommand("stop");
CHECK(WaitForTrue(SystemServerIsDead, kSystemServerDeathTimeoutSeconds));
RunShellCommand("start wificond");
auto wificond_restarted = std::bind(IsBinderServiceRegistered, kServiceName);
CHECK(WaitForTrue(wificond_restarted, kWificondStartTimeoutSeconds));
status_t status = getService(String16(kServiceName), &service);
if (status != NO_ERROR || service.get() == nullptr) {
LOG(FATAL) << "Failed to restart wificond in dev mode";
}
in_dev_mode_ = true;
return service;
}
void ScopedDevModeWificond::ExitDevMode() {
RunShellCommand("stop wificond");
CHECK(WaitForTrue(WificondIsDead, kWificondDeathTimeoutSeconds));
RunShellCommand("start");
CHECK(WaitForTrue(SystemServerIsRunning, kSystemServerStartTimeoutSeconds));
RunShellCommand("start wificond");
CHECK(WaitForTrue(WificondIsRunning, kWificondStartTimeoutSeconds));
in_dev_mode_ = false;
}
bool WaitForTrue(std::function<bool()> condition, time_t timeout_seconds) {
time_t start_time_seconds = time(nullptr);
do {
if (condition()) {
return true;
}
usleep(1000);
} while ((time(nullptr) - start_time_seconds) < timeout_seconds);
return false;
}
bool IsBinderServiceRegistered(const char* service_name) {
sp<IBinder> service =
defaultServiceManager()->checkService(String16(service_name));
return service.get() != nullptr;
}
bool SystemServerIsRunning() {
return IsProcessRunning("system_server");
}
bool SystemServerIsDead() {
return !IsProcessRunning("system_server");
}
bool WificondIsRunning() {
return IsProcessRunning("wificond");
}
bool WificondIsDead() { return !WificondIsRunning(); }
bool HostapdIsRunning() {
return IsProcessRunning("hostapd");
}
bool HostapdIsDead() { return !HostapdIsRunning(); }
bool SupplicantIsRunning() {
return IsProcessRunning("wpa_supplicant");
}
bool SupplicantIsDead() { return !SupplicantIsRunning(); }
} // namespace integration
} // namespace tests
} // namespace android
} // namespace wificond
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