Add ChargePoint constructor so a pointer to a device model storage can be used

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.14)
 
 project(ocpp
-    VERSION 0.9.1
+    VERSION 0.9.2
     DESCRIPTION "A C++ implementation of the Open Charge Point Protocol"
     LANGUAGES CXX
 )

include/ocpp/common/ocpp_logging.hpp

@@ -6,6 +6,7 @@
 #include <fstream>
 #include <iostream>
 #include <map>
+#include <memory>
 #include <mutex>
 #include <thread>
 

include/ocpp/v201/charge_point.hpp

@@ -9,6 +9,7 @@
 #include <ocpp/v201/ctrlr_component_variables.hpp>
 #include <ocpp/v201/database_handler.hpp>
 #include <ocpp/v201/device_model.hpp>
+#include <ocpp/v201/device_model_storage.hpp>
 #include <ocpp/v201/enums.hpp>
 #include <ocpp/v201/evse.hpp>
 #include <ocpp/v201/ocpp_types.hpp>
@@ -318,6 +319,20 @@ class ChargePoint : ocpp::ChargingStationBase {
                 const std::string& core_database_path, const std::string& sql_init_path,
                 const std::string& message_log_path, const std::string& certs_path, const Callbacks& callbacks);
 
+    /// \brief Construct a new ChargePoint object
+    /// \param evse_connector_structure Map that defines the structure of EVSE and connectors of the chargepoint. The
+    /// key represents the id of the EVSE and the value represents the number of connectors for this EVSE. The ids of
+    /// the EVSEs have to increment starting with 1.
+    /// \param device_model_storage device model storage instance
+    /// \param ocpp_main_path Path where utility files for OCPP are read and written to
+    /// \param core_database_path Path to directory where core database is located
+    /// \param message_log_path Path to where logfiles are written to
+    /// \param callbacks Callbacks that will be registered for ChargePoint
+    ChargePoint(const std::map<int32_t, int32_t>& evse_connector_structure,
+                std::unique_ptr<DeviceModelStorage> device_model_storage, const std::string& ocpp_main_path,
+                const std::string& core_database_path, const std::string& sql_init_path,
+                const std::string& message_log_path, const std::string& certs_path, const Callbacks& callbacks);
+
     /// \brief Starts the ChargePoint, initializes and connects to the Websocket endpoint
     /// \param bootreason   Optional bootreason (default: PowerUp).
     void start(BootReasonEnum bootreason = BootReasonEnum::PowerUp);

include/ocpp/v201/device_model.hpp

@@ -80,8 +80,8 @@ class DeviceModel {
 
 public:
     /// \brief Constructor for the device model
-    /// \param storage_address address fo device model storage
-    explicit DeviceModel(const std::string& storage_address);
+    /// \param device_model_storage pointer to a device model storage class
+    explicit DeviceModel(std::unique_ptr<DeviceModelStorage> device_model_storage);
 
     /// \brief Direct access to value of a VariableAttribute for the given component, variable and attribute_enum. This
     /// should only be called for variables that have a role standardized in the OCPP2.0.1 specification.

include/ocpp/v201/device_model_storage_sqlite.hpp

@@ -4,9 +4,12 @@
 #ifndef DEVICE_MODEL_STORAGE_SQLITE_HPP
 #define DEVICE_MODEL_STORAGE_SQLITE_HPP
 
-#include <ocpp/v201/device_model_storage.hpp>
+#include <filesystem>
 #include <sqlite3.h>
 
+#include <everest/logging.hpp>
+#include <ocpp/v201/device_model_storage.hpp>
+
 namespace ocpp {
 namespace v201 {
 

lib/ocpp/v201/charge_point.cpp

@@ -2,6 +2,7 @@
 // Copyright 2020 - 2023 Pionix GmbH and Contributors to EVerest
 
 #include <ocpp/v201/charge_point.hpp>
+#include <ocpp/v201/device_model_storage_sqlite.hpp>
 #include <ocpp/v201/messages/FirmwareStatusNotification.hpp>
 #include <ocpp/v201/messages/LogStatusNotification.hpp>
 
@@ -29,6 +30,15 @@ ChargePoint::ChargePoint(const std::map<int32_t, int32_t>& evse_connector_struct
                          const std::string& core_database_path, const std::string& sql_init_path,
                          const std::string& message_log_path, const std::string& certs_path,
                          const Callbacks& callbacks) :
+    ChargePoint(evse_connector_structure, std::make_unique<DeviceModelStorageSqlite>(device_model_storage_address),
+                ocpp_main_path, core_database_path, sql_init_path, message_log_path, certs_path, callbacks) {
+}
+
+ChargePoint::ChargePoint(const std::map<int32_t, int32_t>& evse_connector_structure,
+                         std::unique_ptr<DeviceModelStorage> device_model_storage, const std::string& ocpp_main_path,
+                         const std::string& core_database_path, const std::string& sql_init_path,
+                         const std::string& message_log_path, const std::string& certs_path,
+                         const Callbacks& callbacks) :
     ocpp::ChargingStationBase(),
     registration_status(RegistrationStatusEnum::Rejected),
     websocket_connection_status(WebsocketConnectionStatusEnum::Disconnected),
@@ -46,7 +56,7 @@ ChargePoint::ChargePoint(const std::map<int32_t, int32_t>& evse_connector_struct
         EVLOG_AND_THROW(std::invalid_argument("All non-optional callbacks must be supplied"));
     }
 
-    this->device_model = std::make_unique<DeviceModel>(device_model_storage_address);
+    this->device_model = std::make_unique<DeviceModel>(std::move(device_model_storage));
     this->pki_handler = std::make_shared<ocpp::PkiHandler>(
         certs_path,
         this->device_model->get_optional_value<bool>(ControllerComponentVariables::AdditionalRootCertificateCheck)

lib/ocpp/v201/device_model.cpp

@@ -153,15 +153,15 @@ SetVariableStatusEnum DeviceModel::set_value_internal(const Component& component
     return success ? SetVariableStatusEnum::Accepted : SetVariableStatusEnum::Rejected;
 };
 
-DeviceModel::DeviceModel(const std::string& storage_address) {
-    this->storage = std::make_unique<DeviceModelStorageSqlite>(storage_address);
+DeviceModel::DeviceModel(std::unique_ptr<DeviceModelStorage> device_model_storage) :
+    storage{std::move(device_model_storage)} {
     this->device_model = this->storage->get_device_model();
-};
+}
 
 SetVariableStatusEnum DeviceModel::set_value(const Component& component, const Variable& variable,
                                              const AttributeEnum& attribute_enum, const std::string& value) {
     return this->set_value_internal(component, variable, attribute_enum, value, false);
-};
+}
 
 SetVariableStatusEnum DeviceModel::set_read_only_value(const Component& component, const Variable& variable,
                                                        const AttributeEnum& attribute_enum, const std::string& value) {