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135 lines
4.6 KiB
135 lines
4.6 KiB
/*
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* Copyright (C) 2018 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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#include <android/binder_manager.h>
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#include "ibinder_internal.h"
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#include "status_internal.h"
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#include <android-base/logging.h>
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#include <binder/IServiceManager.h>
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#include <binder/LazyServiceRegistrar.h>
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using ::android::defaultServiceManager;
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using ::android::IBinder;
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using ::android::IServiceManager;
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using ::android::sp;
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using ::android::status_t;
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using ::android::String16;
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using ::android::String8;
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binder_exception_t AServiceManager_addService(AIBinder* binder, const char* instance) {
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if (binder == nullptr || instance == nullptr) {
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return EX_ILLEGAL_ARGUMENT;
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}
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sp<IServiceManager> sm = defaultServiceManager();
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status_t exception = sm->addService(String16(instance), binder->getBinder());
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return PruneException(exception);
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}
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AIBinder* AServiceManager_checkService(const char* instance) {
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if (instance == nullptr) {
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return nullptr;
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}
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sp<IServiceManager> sm = defaultServiceManager();
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sp<IBinder> binder = sm->checkService(String16(instance));
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sp<AIBinder> ret = ABpBinder::lookupOrCreateFromBinder(binder);
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AIBinder_incStrong(ret.get());
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return ret.get();
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}
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AIBinder* AServiceManager_getService(const char* instance) {
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if (instance == nullptr) {
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return nullptr;
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}
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sp<IServiceManager> sm = defaultServiceManager();
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sp<IBinder> binder = sm->getService(String16(instance));
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sp<AIBinder> ret = ABpBinder::lookupOrCreateFromBinder(binder);
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AIBinder_incStrong(ret.get());
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return ret.get();
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}
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binder_status_t AServiceManager_registerLazyService(AIBinder* binder, const char* instance) {
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if (binder == nullptr || instance == nullptr) {
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return STATUS_UNEXPECTED_NULL;
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}
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auto serviceRegistrar = android::binder::LazyServiceRegistrar::getInstance();
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status_t status = serviceRegistrar.registerService(binder->getBinder(), instance);
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return PruneStatusT(status);
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}
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AIBinder* AServiceManager_waitForService(const char* instance) {
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if (instance == nullptr) {
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return nullptr;
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}
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sp<IServiceManager> sm = defaultServiceManager();
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sp<IBinder> binder = sm->waitForService(String16(instance));
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sp<AIBinder> ret = ABpBinder::lookupOrCreateFromBinder(binder);
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AIBinder_incStrong(ret.get());
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return ret.get();
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}
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bool AServiceManager_isDeclared(const char* instance) {
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if (instance == nullptr) {
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return false;
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}
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sp<IServiceManager> sm = defaultServiceManager();
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return sm->isDeclared(String16(instance));
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}
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void AServiceManager_forEachDeclaredInstance(const char* interface, void* context,
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void (*callback)(const char*, void*)) {
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CHECK(interface != nullptr);
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// context may be nullptr
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CHECK(callback != nullptr);
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sp<IServiceManager> sm = defaultServiceManager();
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for (const String16& instance : sm->getDeclaredInstances(String16(interface))) {
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callback(String8(instance).c_str(), context);
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}
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}
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bool AServiceManager_isUpdatableViaApex(const char* instance) {
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if (instance == nullptr) {
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return false;
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}
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sp<IServiceManager> sm = defaultServiceManager();
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return sm->updatableViaApex(String16(instance)) != std::nullopt;
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}
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void AServiceManager_forceLazyServicesPersist(bool persist) {
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auto serviceRegistrar = android::binder::LazyServiceRegistrar::getInstance();
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serviceRegistrar.forcePersist(persist);
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}
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void AServiceManager_setActiveServicesCallback(bool (*callback)(bool, void*), void* context) {
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auto serviceRegistrar = android::binder::LazyServiceRegistrar::getInstance();
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std::function<bool(bool)> fn = [=](bool hasClients) -> bool {
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return callback(hasClients, context);
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};
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serviceRegistrar.setActiveServicesCallback(fn);
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}
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bool AServiceManager_tryUnregister() {
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auto serviceRegistrar = android::binder::LazyServiceRegistrar::getInstance();
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return serviceRegistrar.tryUnregister();
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}
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void AServiceManager_reRegister() {
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auto serviceRegistrar = android::binder::LazyServiceRegistrar::getInstance();
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serviceRegistrar.reRegister();
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}
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