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