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86 lines
3.1 KiB
86 lines
3.1 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "LegacySupport"
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#include <android/hidl/base/1.0/IBase.h>
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#include <hidl/HidlSupport.h>
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#include <hidl/LegacySupport.h>
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#include <hidl/ServiceManagement.h>
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#include <hidl/Status.h>
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using android::hidl::base::V1_0::IBase;
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namespace android::hardware {
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namespace details {
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__attribute__((warn_unused_result)) status_t registerPassthroughServiceImplementation(
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const std::string& interfaceName, const std::string& expectInterfaceName,
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RegisterServiceCb registerServiceCb, const std::string& serviceName) {
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sp<IBase> service =
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getRawServiceInternal(interfaceName, serviceName, true /*retry*/, true /*getStub*/);
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if (service == nullptr) {
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ALOGE("Could not get passthrough implementation for %s/%s.", interfaceName.c_str(),
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serviceName.c_str());
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return EXIT_FAILURE;
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}
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if (service->isRemote()) {
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ALOGE("Implementation of %s/%s is remote!", interfaceName.c_str(), serviceName.c_str());
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return EXIT_FAILURE;
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}
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std::string actualName;
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Return<void> result = service->interfaceDescriptor(
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[&actualName](const hidl_string& descriptor) { actualName = descriptor; });
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if (!result.isOk()) {
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ALOGE("Error retrieving interface name from %s/%s: %s", interfaceName.c_str(),
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serviceName.c_str(), result.description().c_str());
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return EXIT_FAILURE;
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}
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if (actualName != expectInterfaceName) {
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ALOGE("Implementation of %s/%s is actually %s, not a %s!", interfaceName.c_str(),
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serviceName.c_str(), actualName.c_str(), expectInterfaceName.c_str());
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return EXIT_FAILURE;
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}
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status_t status = registerServiceCb(service, serviceName);
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if (status == OK) {
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ALOGI("Registration complete for %s/%s.", interfaceName.c_str(), serviceName.c_str());
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} else {
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ALOGE("Could not register service %s/%s (%d).", interfaceName.c_str(), serviceName.c_str(),
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status);
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}
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return status;
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}
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} // namespace details
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__attribute__((warn_unused_result)) status_t registerPassthroughServiceImplementation(
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const std::string& interfaceName, const std::string& expectInterfaceName,
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const std::string& serviceName) {
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return details::registerPassthroughServiceImplementation(
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interfaceName, expectInterfaceName,
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[](const sp<IBase>& service, const std::string& name) {
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return details::registerAsServiceInternal(service, name);
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},
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serviceName);
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}
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} // namespace android::hardware
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