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/*
* Copyright (C) 2021 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 "hidl-utils.h"
#include <android-base/logging.h>
#include <android/hidl/manager/1.2/IServiceManager.h>
namespace android::hardware::hidl_utils {
class HalDeathRecipient : public hidl_death_recipient {
void serviceDied(uint64_t /* cookie */, const wp<hidl::base::V1_0::IBase>& /* who */) override {
LOG(FATAL) << "One of the linked HALs died. Restarting...";
}
};
static const auto gHalDeathRecipient = sp<HalDeathRecipient>::make();
void linkDeathToDeath(sp<::android::hidl::base::V1_0::IBase> hal) {
const auto linkStatus = hal->linkToDeath(gHalDeathRecipient, 0);
CHECK(linkStatus.withDefault(false)) << "Failed to link to HAL death";
}
hidl_vec<hidl_string> listManifestByInterface(const char* descriptor) {
auto manager = hidl::manager::V1_2::IServiceManager::getService();
hidl_vec<hidl_string> services;
manager->listManifestByInterface(descriptor, hidl_utils::fill(&services));
CHECK_GT(services.size(), 0u) << "No " << descriptor
<< " services in manifest (missing privileges?)" << std::endl;
return services;
}
} // namespace android::hardware::hidl_utils
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