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// matth-x/ArduinoOcpp
// Copyright Matthias Akstaller 2019 - 2021
// MIT License
#include <ArduinoOcpp/Core/Configuration.h>
//#include <ArduinoOcpp/Core/ConfigurationContainer.h>
#include <Variants.h>
#include <string.h>
#include <vector>
#include <ArduinoJson.h>
#if defined(ESP32) && !defined(AO_DEACTIVATE_FLASH)
#include <LITTLEFS.h>
#define USE_FS LITTLEFS
#else
#include <FS.h>
#define USE_FS SPIFFS
#endif
namespace ArduinoOcpp {
FilesystemOpt configurationFilesystemOpt = FilesystemOpt::Use_Mount_FormatOnFail;
template<class T>
std::shared_ptr<Configuration<T>> createConfiguration(const char *key, T value) {
std::shared_ptr<Configuration<T>> configuration = std::make_shared<Configuration<T>>();
if (!configuration->setKey(key)) {
Serial.print(F("[Configuration] In createConfiguration(key, T, ...) : Cannot set key! Abort\n"));
return NULL;
}
*configuration = value;
return configuration;
}
std::shared_ptr<Configuration<const char *>> createConfiguration(const char *key, const char *value) {
std::shared_ptr<Configuration<const char*>> configuration = std::make_shared<Configuration<const char*>>();
if (!configuration->setKey(key)) {
Serial.print(F("[Configuration] In createConfiguration(key, const char*) : Cannot set key! Abort\n"));
return NULL;
}
if (!configuration->setValue(value, strlen(value) + 1)) {
Serial.print(F("[Configuration] In createConfiguration(key, const char*) : Cannot set value! Abort\n"));
return NULL;
}
return configuration;
}
std::shared_ptr<ConfigurationContainer> createConfigurationContainer(const char *filename) {
if (configurationFilesystemOpt.accessAllowed()) {
return std::static_pointer_cast<ConfigurationContainer>(std::make_shared<ConfigurationContainerFlash>(filename));
} else {
return std::static_pointer_cast<ConfigurationContainer>(std::make_shared<ConfigurationContainerVolatile>(filename));
}
}
std::vector<std::shared_ptr<ConfigurationContainer>> configurationContainers;
void addConfigurationContainer(std::shared_ptr<ConfigurationContainer> container) {
configurationContainers.push_back(container);
}
std::vector<std::shared_ptr<ConfigurationContainer>>::iterator getConfigurationContainersBegin() {
return configurationContainers.begin();
}
std::vector<std::shared_ptr<ConfigurationContainer>>::iterator getConfigurationContainersEnd() {
return configurationContainers.end();
}
std::shared_ptr<ConfigurationContainer> getContainer(const char *filename) {
std::vector<std::shared_ptr<ConfigurationContainer>>::iterator container = std::find_if(configurationContainers.begin(), configurationContainers.end(),
[filename](std::shared_ptr<ConfigurationContainer> &elem) {
return !strcmp(elem->getFilename(), filename);
});
if (container != configurationContainers.end()) {
return *container;
} else {
return NULL;
}
}
template<class T>
std::shared_ptr<Configuration<T>> declareConfiguration(const char *key, T defaultValue, const char *filename, bool remotePeerCanWrite, bool remotePeerCanRead, bool localClientCanWrite, bool rebootRequiredWhenChanged) {
//already existent? --> stored in last session --> do set default content, but set writepermission flag
std::shared_ptr<ConfigurationContainer> container = getContainer(filename);
if (!container) {
Serial.print(F("[Configuration] declareConfiguration: init new configurations container on flash filesystem: "));
Serial.println(filename);
container = createConfigurationContainer(filename);
configurationContainers.push_back(container);
if (!container->load()) {
Serial.print(F("[Configuration] Cannot load file contents. Path will be overwritten\n"));
}
}
std::shared_ptr<AbstractConfiguration> configuration = container->getConfiguration(key);
if (configuration && strcmp(configuration->getSerializedType(), SerializedType<T>::get())) {
Serial.println(F("[Configuration] Error declaring configuration: conflicting declared types. Override previous declaration"));
container->removeConfiguration(configuration);
configuration->setToBeRemoved();
configuration = NULL;
}
std::shared_ptr<Configuration<T>> configurationConcrete = std::static_pointer_cast<Configuration<T>>(configuration);
if (configurationConcrete && configurationConcrete->toBeRemoved()) {
(*configurationConcrete) = defaultValue;
}
if (!configurationConcrete) {
configurationConcrete = createConfiguration<T>(key, defaultValue);
configuration = std::static_pointer_cast<AbstractConfiguration>(configurationConcrete);
if (!configuration) {
Serial.print(F("[Configuration] In declareConfiguration(key, int, ...) : Cannot find configuration stored from previous session and cannot create new one! Abort\n"));
return NULL;
}
container->addConfiguration(configuration);
}
if (!remotePeerCanWrite)
configuration->revokePermissionRemotePeerCanWrite();
if (!remotePeerCanRead)
configuration->revokePermissionRemotePeerCanRead();
if (!localClientCanWrite)
configuration->revokePermissionLocalClientCanWrite();
if (rebootRequiredWhenChanged)
configuration->requireRebootWhenChanged();
return configurationConcrete;
}
namespace Ocpp16 {
/*
template<class T>
std::shared_ptr<Configuration<T>> changeConfiguration(const char *key, T value) {
std::shared_ptr<Configuration<T>> config = NULL;
for (std::vector<std::shared_ptr<ConfigurationContainer>>::iterator container = configurationContainers.begin(); container != configurationContainers.end(); container++) {
config = std::static_pointer_cast<Configuration<T>>(*container)->getConfiguration(key);
if (config) {
break;
}
}
if (config) {
//found configuration
if (!config->permissionRemotePeerCanWrite()) {
return NULL;
}
*config = value;
} else {
//did not find configuration. Create new one
config = createConfiguration<T>(key, value);
if (!config) {
Serial.print(F("[Configuration] In setConfiguration(key, int) : Cannot neither find configuration nor create new one! Abort\n"));
return NULL;
}
std::shared_ptr<ConfigurationContainer> containerDefault = getContainer(CONFIGURATION_FN);
if (containerDefault) {
containerDefault->addConfiguration(config);
} //else: There is no container. Probably this controller does not need persistency at all
}
return config;
}
*/
std::shared_ptr<AbstractConfiguration> getConfiguration(const char *key) {
std::shared_ptr<AbstractConfiguration> result = NULL;
for (auto container = configurationContainers.begin(); container != configurationContainers.end(); container++) {
result = (*container)->getConfiguration(key);
if (result)
return result;
}
return NULL;
}
std::shared_ptr<std::vector<std::shared_ptr<AbstractConfiguration>>> getAllConfigurations() { //TODO maybe change to iterator?
auto result = std::make_shared<std::vector<std::shared_ptr<AbstractConfiguration>>>();
for (auto container = configurationContainers.begin(); container != configurationContainers.end(); container++) {
for (auto config = (*container)->configurationsIteratorBegin(); config != (*container)->configurationsIteratorEnd(); config++) {
if ((*config)->permissionRemotePeerCanRead()) {
result->push_back(*config);
}
}
}
return result;
}
} //end namespace Ocpp16
bool configuration_inited = false;
bool configuration_init(FilesystemOpt fsOpt) {
if (configuration_inited)
return true; //configuration_init() already called; tolerate multiple calls so user can use this store for
//credentials outside ArduinoOcpp which need to be loaded before OCPP_initialize()
bool loadRoutineSuccessful = true;
#ifndef AO_DEACTIVATE_FLASH
configurationFilesystemOpt = fsOpt;
if (fsOpt.mustMount()) {
#if defined(ESP32)
if(!LITTLEFS.begin(fsOpt.formatOnFail())) {
Serial.println("[Configuration] An Error has occurred while mounting LITTLEFS");
loadRoutineSuccessful = false;
}
#else
//ESP8266
SPIFFSConfig cfg;
cfg.setAutoFormat(fsOpt.formatOnFail());
SPIFFS.setConfig(cfg);
if (!SPIFFS.begin()) {
Serial.print(F("[Configuration] Unable to initialize: unable to mount SPIFFS\n"));
loadRoutineSuccessful = false;
}
#endif
} //end fs mount
std::shared_ptr<ConfigurationContainer> containerDefault = NULL;
for (auto container = configurationContainers.begin(); container != configurationContainers.end(); container++) {
if (!strcmp((*container)->getFilename(), CONFIGURATION_FN)) {
containerDefault = (*container);
break;
}
}
if (containerDefault) {
Serial.print(F("[Configuration] Found default container before calling configuration_init(). If you added\n" \
" the container manually, please ensure to call load(). If not, it is a hint\n" \
" that declareConfiguration() was called too early\n"));
} else {
containerDefault = createConfigurationContainer(CONFIGURATION_FN);
if (!containerDefault->load()) {
Serial.print(F("[Configuration] Loading default configurations file failed!\n"));
loadRoutineSuccessful = false;
}
configurationContainers.push_back(containerDefault);
}
#endif //ndef AO_DEACTIVATE_FLASH
configuration_inited = loadRoutineSuccessful;
return loadRoutineSuccessful;
}
bool configuration_save() {
bool success = true;
#ifndef AO_DEACTIVATE_FLASH
for (auto container = configurationContainers.begin(); container != configurationContainers.end(); container++) {
if (!(*container)->save()) {
success = false;
}
}
#endif //ndef AO_DEACTIVATE_FLASH
return success;
}
template std::shared_ptr<Configuration<int>> createConfiguration(const char *key, int value);
template std::shared_ptr<Configuration<float>> createConfiguration(const char *key, float value);
template std::shared_ptr<Configuration<const char *>> createConfiguration(const char *key, const char * value);
//template std::shared_ptr<Configuration<String>> createConfiguration(const char *key, String value);
template std::shared_ptr<Configuration<int>> declareConfiguration(const char *key, int defaultValue, const char *filename, bool remotePeerCanWrite, bool remotePeerCanRead, bool localClientCanWrite, bool rebootRequiredWhenChanged);
template std::shared_ptr<Configuration<float>> declareConfiguration(const char *key, float defaultValue, const char *filename, bool remotePeerCanWrite, bool remotePeerCanRead, bool localClientCanWrite, bool rebootRequiredWhenChanged);
template std::shared_ptr<Configuration<const char *>> declareConfiguration(const char *key, const char *defaultValue, const char *filename, bool remotePeerCanWrite, bool remotePeerCanRead, bool localClientCanWrite, bool rebootRequiredWhenChanged);
//template std::shared_ptr<Configuration<String>> declareConfiguration(const char *key, String defaultValue, const char *filename, bool remotePeerCanWrite, bool remotePeerCanRead, bool localClientCanWrite, bool rebootRequiredWhenChanged);
/*
template std::shared_ptr<Configuration<int>> Ocpp16::changeConfiguration(const char *key, int value);
template std::shared_ptr<Configuration<float>> Ocpp16::changeConfiguration(const char *key, float value);
template std::shared_ptr<Configuration<const char *>> Ocpp16::changeConfiguration(const char *key, const char *value);
//template std::shared_ptr<Configuration<String>> Ocpp16::changeConfiguration(const char *key, String value);
*/
} //end namespace ArduinoOcpp