fmi2_capi_t* fmi2_capi_create_dllfmu(jm_callbacks* cb, const char* dllPath, const char* modelIdentifier, const fmi2_callback_functions_t* callBackFunctions, fmi2_fmu_kind_enu_t standard)
{
	fmi2_capi_t* fmu = NULL;

	jm_log_debug(cb, FMI_CAPI_MODULE_NAME, "Initializing data structures for FMICAPI.");

	/* Minor check for the callbacks */
	if (cb == NULL) {
		assert(0);
		return NULL;
	}

	/* Allocate memory for the FMU instance */
	fmu = (fmi2_capi_t*)cb->calloc(1, sizeof(fmi2_capi_t));
	if (fmu == NULL) { /* Could not allocate memory for the FMU struct */
		jm_log_fatal(cb, FMI_CAPI_MODULE_NAME, "Could not allocate memory for the FMU struct.");
		return NULL;
	}

	/* Set the import package callback functions */
	fmu->callbacks = cb;

	/* Set the FMI callback functions */
	fmu->callBackFunctions = *callBackFunctions;

	/* Set FMI standard to load */
	fmu->standard = standard;

	/* Set all memory alloated pointers to NULL */
	fmu->dllPath = NULL;
	fmu->modelIdentifier = NULL;


	/* Copy DLL path */
	fmu->dllPath = (char*)cb->calloc(sizeof(char), strlen(dllPath) + 1);
	if (fmu->dllPath == NULL) {
		jm_log_fatal(cb, FMI_CAPI_MODULE_NAME, "Could not allocate memory for the DLL path string.");
		fmi2_capi_destroy_dllfmu(fmu);
		return NULL;
	}
	strcpy((char*)fmu->dllPath, dllPath);

	/* Copy the modelIdentifier */
	fmu->modelIdentifier = (char*)cb->calloc(sizeof(char), strlen(modelIdentifier) + 1);
	if (fmu->modelIdentifier == NULL) {
		jm_log_fatal(cb, FMI_CAPI_MODULE_NAME, "Could not allocate memory for the modelIdentifier string.");
		fmi2_capi_destroy_dllfmu(fmu);
		return NULL;
	}
	strcpy((char*)fmu->modelIdentifier, modelIdentifier);

	jm_log_debug(cb, FMI_CAPI_MODULE_NAME, "Successfully initialized data structures for FMICAPI.");

	/* Everything was successful */
	return fmu;
}
void fmi2_import_destroy_dllfmu(fmi2_import_t* fmu) {
	
	if (fmu == NULL) {
		return;
	}

	
	if(fmu -> capi) {
		jm_log_verbose(fmu->callbacks, module, "Releasing FMU CAPI interface"); 

		/* Free DLL handle */
		fmi2_capi_free_dll(fmu -> capi);

		/* Destroy the C-API struct */
		fmi2_capi_destroy_dllfmu(fmu -> capi);

		fmu -> capi = NULL;
	}
}
/* Load and destroy functions */
jm_status_enu_t fmi2_import_create_dllfmu(fmi2_import_t* fmu, fmi2_fmu_kind_enu_t fmuKind, const fmi2_callback_functions_t* callBackFunctions) {

	char curDir[FILENAME_MAX + 2];
	char* dllDirPath = 0;
	char* dllFileName = 0;
	const char* modelIdentifier;
	fmi2_callback_functions_t defaultCallbacks;

	if (fmu == NULL) {
		assert(0);
		return jm_status_error;
	}

	if(fmu -> capi) {
		if(fmi2_capi_get_fmu_kind(fmu -> capi) == fmuKind) {
			jm_log_warning(fmu->callbacks, module, "FMU binary is already loaded"); 
			return jm_status_success;
		}
		else
			fmi2_import_destroy_dllfmu(fmu);		
	}

	if(fmuKind == fmi2_fmu_kind_me)
		modelIdentifier = fmi2_import_get_model_identifier_ME(fmu);
	else 	if(fmuKind == fmi2_fmu_kind_cs)
		modelIdentifier = fmi2_import_get_model_identifier_CS(fmu);
	else {
		assert(0);
		return jm_status_error;
	}

	if (modelIdentifier == NULL) {
		jm_log_error(fmu->callbacks, module, "No model identifier given");
		return jm_status_error;
	}

	if( jm_portability_get_current_working_directory(curDir, FILENAME_MAX+1) != jm_status_success) {
		jm_log_warning(fmu->callbacks, module, "Could not get current working directory (%s)", strerror(errno));
		curDir[0] = 0;
	};

	dllDirPath = fmi_construct_dll_dir_name(fmu->callbacks, fmu->dirPath);
	dllFileName = fmi_construct_dll_file_name(fmu->callbacks, dllDirPath, modelIdentifier);

	if (!dllDirPath ||!dllFileName) {
		fmu->callbacks->free(dllDirPath);
		return jm_status_error;
	}

	if(!callBackFunctions) {
		jm_callbacks* cb = fmu->callbacks;
		defaultCallbacks.allocateMemory = cb->calloc;
		defaultCallbacks.freeMemory = cb->free;
		defaultCallbacks.componentEnvironment = fmu;
		defaultCallbacks.logger = fmi2_log_forwarding;
		defaultCallbacks.stepFinished = 0;
		callBackFunctions = &defaultCallbacks;
	}

	if(jm_portability_set_current_working_directory(dllDirPath) != jm_status_success) {
		jm_log_fatal(fmu->callbacks, module, "Could not change to the DLL directory %s", dllDirPath);
		if(ENOENT == errno)
			jm_log_fatal(fmu->callbacks, module, "No binary for this platform?");
		else
			jm_log_fatal(fmu->callbacks, module, "System error: %s", strerror(errno));
	}
	else {
		/* Allocate memory for the C-API struct */
		fmu -> capi = fmi2_capi_create_dllfmu(fmu->callbacks, dllFileName, modelIdentifier, callBackFunctions, fmuKind);
	}


	/* Load the DLL handle */
	if (fmu -> capi) {
		jm_log_info(fmu->callbacks, module, 
			"Loading '" FMI_PLATFORM "' binary with '%s' platform types", fmi2_get_types_platform() );

		if(fmi2_capi_load_dll(fmu -> capi) == jm_status_error) {		
			fmi2_capi_destroy_dllfmu(fmu -> capi);
			fmu -> capi = NULL;
		}
	}

	if(curDir[0] && (jm_portability_set_current_working_directory(curDir) != jm_status_success)) {
		jm_log_error(fmu->callbacks, module, "Could not restore current working directory (%s)", strerror(errno));
	}

	fmu->callbacks->free((jm_voidp)dllDirPath);
	fmu->callbacks->free((jm_voidp)dllFileName);

	if (fmu -> capi == NULL) {
		return jm_status_error;
	}


	/* Load the DLL functions */
	if (fmi2_capi_load_fcn(fmu -> capi, fmi2_xml_get_capabilities(fmu->md)) == jm_status_error) {
		fmi2_capi_free_dll(fmu -> capi);			
		fmi2_capi_destroy_dllfmu(fmu -> capi);
		fmu -> capi = NULL;
		return jm_status_error;
	}
	jm_log_verbose(fmu->callbacks, module, "Successfully loaded all the interface functions"); 

	return jm_status_success;
}