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/* Copyright (C) 2013 BMW Group
* Author: Manfred Bathelt (manfred.bathelt@bmw.de)
* Author: Juergen Gehring (juergen.gehring@bmw.de)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DBusServicePublisher.h"
#include "DBusFactory.h"
#include <cassert>
namespace CommonAPI {
namespace DBus {
std::shared_ptr<DBusServicePublisher> DBusServicePublisher::getInstance() {
static std::shared_ptr<DBusServicePublisher> instance;
if(!instance) {
instance = std::make_shared<DBusServicePublisher>();
}
return instance;
}
bool DBusServicePublisher::registerService(const std::shared_ptr<DBusStubAdapter>& dbusStubAdapter) {
auto serviceAddress = dbusStubAdapter->getAddress();
const auto& dbusConnection = dbusStubAdapter->getDBusConnection();
std::shared_ptr<DBusObjectManagerStub> rootDBusObjectManagerStub = dbusConnection->getDBusObjectManager()->getRootDBusObjectManagerStub();
const bool isRegistrationAtManagerSuccessfull = registerManagedService(dbusStubAdapter);
if (!isRegistrationAtManagerSuccessfull) {
return false;
}
const bool isServiceExportSuccessful = rootDBusObjectManagerStub->exportManagedDBusStubAdapter(dbusStubAdapter);
if (!isServiceExportSuccessful) {
const bool isManagedDeregistrationSuccessfull = unregisterManagedService(serviceAddress);
assert(isManagedDeregistrationSuccessfull);
}
return isServiceExportSuccessful;
}
std::shared_ptr<DBusStubAdapter> DBusServicePublisher::getRegisteredService(const std::string& serviceAddress) {
auto registeredServiceIterator = registeredServices_.find(serviceAddress);
if (registeredServiceIterator != registeredServices_.end()) {
return registeredServiceIterator->second;
}
return nullptr;
}
bool DBusServicePublisher::registerService(const std::shared_ptr<StubBase>& stubBase,
const char* interfaceId,
const std::string& participantId,
const std::string& serviceName,
const std::string& domain,
const std::shared_ptr<Factory>& factory) {
auto dbusFactory = std::dynamic_pointer_cast<DBusFactory>(factory);
if (!dbusFactory) {
return false;
}
auto dbusStubAdapter = dbusFactory->createDBusStubAdapter(stubBase, interfaceId, participantId, serviceName, domain);
if (!dbusStubAdapter) {
return false;
}
const bool isRegistrationSuccessful = registerService(dbusStubAdapter);
return isRegistrationSuccessful;
}
bool DBusServicePublisher::unregisterService(const std::string& serviceAddress) {
auto registeredServiceIterator = registeredServices_.find(serviceAddress);
const bool isServiceAddressRegistered = (registeredServiceIterator != registeredServices_.end());
if (!isServiceAddressRegistered) {
return false;
}
const auto& registeredDBusStubAdapter = registeredServiceIterator->second;
const auto& dbusConnection = registeredDBusStubAdapter->getDBusConnection();
std::shared_ptr<DBusObjectManagerStub> rootDBusObjectManagerStub = dbusConnection->getDBusObjectManager()->getRootDBusObjectManagerStub();
const bool isRootService = rootDBusObjectManagerStub->isDBusStubAdapterExported(registeredDBusStubAdapter);
registeredDBusStubAdapter->deactivateManagedInstances();
if (isRootService) {
const bool isUnexportSuccessfull = rootDBusObjectManagerStub->unexportManagedDBusStubAdapter(registeredDBusStubAdapter);
assert(isUnexportSuccessfull);
unregisterManagedService(registeredServiceIterator);
}
return isRootService;
}
bool DBusServicePublisher::registerManagedService(const std::shared_ptr<DBusStubAdapter>& managedDBusStubAdapter) {
auto serviceAddress = managedDBusStubAdapter->getAddress();
const auto& insertResult = registeredServices_.insert( {serviceAddress, managedDBusStubAdapter} );
const auto& insertIter = insertResult.first;
const bool& isInsertSuccessful = insertResult.second;
if (!isInsertSuccessful) {
return false;
}
const auto& dbusConnection = managedDBusStubAdapter->getDBusConnection();
const auto dbusObjectManager = dbusConnection->getDBusObjectManager();
const bool isDBusObjectRegistrationSuccessful = dbusObjectManager->registerDBusStubAdapter(managedDBusStubAdapter);
if (!isDBusObjectRegistrationSuccessful) {
registeredServices_.erase(insertIter);
return false;
}
const auto& dbusServiceName = managedDBusStubAdapter->getDBusName();
const bool isServiceNameAcquired = dbusConnection->requestServiceNameAndBlock(dbusServiceName);
if (!isServiceNameAcquired) {
const bool isDBusObjectDeregistrationSuccessful = dbusObjectManager->unregisterDBusStubAdapter(managedDBusStubAdapter);
assert(isDBusObjectDeregistrationSuccessful);
registeredServices_.erase(insertIter);
}
return isServiceNameAcquired;
}
bool DBusServicePublisher::unregisterManagedService(const std::string& serviceAddress) {
auto registeredServiceIterator = registeredServices_.find(serviceAddress);
const bool isServiceAddressRegistered = (registeredServiceIterator != registeredServices_.end());
if (isServiceAddressRegistered) {
unregisterManagedService(registeredServiceIterator);
}
return isServiceAddressRegistered;
}
void DBusServicePublisher::unregisterManagedService(DBusServicesMap::iterator& managedServiceIterator) {
const auto& registeredDbusStubAdapter = managedServiceIterator->second;
const auto& dbusConnection = registeredDbusStubAdapter->getDBusConnection();
const auto dbusObjectManager = dbusConnection->getDBusObjectManager();
const auto& dbusServiceName = registeredDbusStubAdapter->getDBusName();
const bool isDBusStubAdapterUnregistered = dbusObjectManager->unregisterDBusStubAdapter(registeredDbusStubAdapter);
assert(isDBusStubAdapterUnregistered);
dbusConnection->releaseServiceName(dbusServiceName);
registeredServices_.erase(managedServiceIterator);
}
} // namespace DBus
} // namespace CommonAPI
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