Function startService

Tactility/Source/service/ServiceRegistration.cpp:64–93

TODO: Return proper error/status instead of BOOL?

// TODO: Return proper error/status instead of BOOL?
bool startService(const std::string& id) {
    LOGGER.info("Starting {}", id);
    auto manifest = findManifestById(id);
    if (manifest == nullptr) {
        LOGGER.error("manifest not found for service {}", id);
        return false;
    }

    auto service_instance = std::make_shared<ServiceInstance>(manifest);

    // Register first, so that a service can retrieve itself during onStart()
    instance_mutex.lock();
    service_instance_map[manifest->id] = service_instance;
    instance_mutex.unlock();

    service_instance->setState(State::Starting);
    if (service_instance->getService()->onStart(*service_instance)) {
        service_instance->setState(State::Started);
    } else {
        LOGGER.error("Starting {} failed", id);
        service_instance->setState(State::Stopped);
        instance_mutex.lock();
        service_instance_map.erase(manifest->id);
        instance_mutex.unlock();
    }

    LOGGER.info("Started {}", id);

    return true;
}

std::shared_ptr<ServiceContext> findServiceContextById(const std::string& id) {
    return findServiceInstanceById(id);