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/*
* Copyright (C) 2020 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.
*/
#define LOG_TAG "LegacySupport"
#include <android/hidl/base/1.0/IBase.h>
#include <hidl/HidlSupport.h>
#include <hidl/LegacySupport.h>
#include <hidl/ServiceManagement.h>
#include <hidl/Status.h>
using android::hidl::base::V1_0::IBase;
namespace android::hardware {
namespace details {
__attribute__((warn_unused_result)) status_t registerPassthroughServiceImplementation(
const std::string& interfaceName, const std::string& expectInterfaceName,
RegisterServiceCb registerServiceCb, const std::string& serviceName) {
sp<IBase> service =
getRawServiceInternal(interfaceName, serviceName, true /*retry*/, true /*getStub*/);
if (service == nullptr) {
ALOGE("Could not get passthrough implementation for %s/%s.", interfaceName.c_str(),
serviceName.c_str());
return EXIT_FAILURE;
}
if (service->isRemote()) {
ALOGE("Implementation of %s/%s is remote!", interfaceName.c_str(), serviceName.c_str());
return EXIT_FAILURE;
}
std::string actualName;
Return<void> result = service->interfaceDescriptor(
[&actualName](const hidl_string& descriptor) { actualName = descriptor; });
if (!result.isOk()) {
ALOGE("Error retrieving interface name from %s/%s: %s", interfaceName.c_str(),
serviceName.c_str(), result.description().c_str());
return EXIT_FAILURE;
}
if (actualName != expectInterfaceName) {
ALOGE("Implementation of %s/%s is actually %s, not a %s!", interfaceName.c_str(),
serviceName.c_str(), actualName.c_str(), expectInterfaceName.c_str());
return EXIT_FAILURE;
}
status_t status = registerServiceCb(service, serviceName);
if (status == OK) {
ALOGI("Registration complete for %s/%s.", interfaceName.c_str(), serviceName.c_str());
} else {
ALOGE("Could not register service %s/%s (%d).", interfaceName.c_str(), serviceName.c_str(),
status);
}
return status;
}
} // namespace details
__attribute__((warn_unused_result)) status_t registerPassthroughServiceImplementation(
const std::string& interfaceName, const std::string& expectInterfaceName,
const std::string& serviceName) {
return details::registerPassthroughServiceImplementation(
interfaceName, expectInterfaceName,
[](const sp<IBase>& service, const std::string& name) {
return details::registerAsServiceInternal(service, name);
},
serviceName);
}
} // namespace android::hardware
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