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/******************************************************************************
* Project Persistency
* (c) copyright 2012
* Company XS Embedded GmbH
*****************************************************************************/
/******************************************************************************
* 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/.
******************************************************************************/
/**
* @file persistence_client_library.c
* @ingroup Persistence client library
* @author Ingo Huerner
* @brief Implementation of the persistence client library.
* Library provides an API to access persistent data
* @see
*/
#include "persistence_client_library_lc_interface.h"
#include "persistence_client_library_pas_interface.h"
#include "persistence_client_library_dbus_service.h"
#include "persistence_client_library_handle.h"
#include "persistence_client_library_custom_loader.h"
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <dlt/dlt.h>
#include <dlt/dlt_common.h>
#include <dbus/dbus.h>
#define ENABLE_DBUS_INTERFACE 1
extern char* __progname;
/// debug log and trace (DLT) setup
DLT_DECLARE_CONTEXT(persClientLibCtx);
/// library constructor
void pers_library_init(void) __attribute__((constructor));
/// library deconstructor
void pers_library_destroy(void) __attribute__((destructor));
void pers_library_init(void)
{
int status = 0;
int i = 0;
DLT_REGISTER_APP("Persistence Client Library","persClientLib");
DLT_REGISTER_CONTEXT(persClientLibCtx,"persClientLib","Context for Logging");
DLT_LOG(persClientLibCtx, DLT_LOG_ERROR, DLT_STRING("Initialize Persistence Client Library!!!!"));
/// environment variable for on demand loading of custom libraries
const char *pOnDemandLoad = getenv("PERS_CUSTOM_LIB_LOAD_ON_DEMAND");
/// environment variable for max key value data
const char *pDataSize = getenv("PERS_MAX_KEY_VAL_DATA_SIZE");
if(pDataSize != NULL)
{
gMaxKeyValDataSize = atoi(pDataSize);
}
#if ENABLE_DBUS_INTERFACE == 1
setup_dbus_mainloop();
// register for lifecycle and persistence admin service dbus messages
register_lifecycle();
register_pers_admin_service();
#endif
// clear the open file descriptor array
memset(gOpenFdArray, MaxPersHandle, sizeof(int));
/// get custom library names to load
status = get_custom_libraries();
if(status < 0)
{
printf("Failed to load custom library config table => error number %d\n", status );
}
// initialize custom library structure
for(i = 0; i<PersCustomLib_LastEntry; i++)
{
gPersCustomFuncs[i].handle = NULL;
gPersCustomFuncs[i].custom_plugin_init = NULL;
gPersCustomFuncs[i].custom_plugin_deinit = NULL;
gPersCustomFuncs[i].custom_plugin_handle_open = NULL;
gPersCustomFuncs[i].custom_plugin_handle_close = NULL;
gPersCustomFuncs[i].custom_plugin_handle_get_data = NULL;
gPersCustomFuncs[i].custom_plugin_handle_set_data = NULL;
gPersCustomFuncs[i].custom_plugin_get_data = NULL;
gPersCustomFuncs[i].custom_plugin_set_data = NULL;
gPersCustomFuncs[i].custom_plugin_delete_data = NULL;
gPersCustomFuncs[i].custom_plugin_get_status_notification_clbk = NULL;
gPersCustomFuncs[i].custom_plugin_handle_get_size = NULL;
gPersCustomFuncs[i].custom_plugin_get_size = NULL;
gPersCustomFuncs[i].custom_plugin_create_backup = NULL;
gPersCustomFuncs[i].custom_plugin_get_backup = NULL;
gPersCustomFuncs[i].custom_plugin_restore_backup = NULL;
}
if(pOnDemandLoad == NULL) // load all available libraries now
{
for(i=0; i < get_num_custom_client_libs(); i++ )
{
if(load_custom_library(get_custom_client_position_in_array(i), &gPersCustomFuncs[i] ) == -1)
{
printf("E r r o r could not load plugin: %s \n", get_custom_client_lib_name(get_custom_client_position_in_array(i)));
break;
}
gPersCustomFuncs[i].custom_plugin_init();
}
/// just testing
//gPersCustomFuncs[PersCustomLib_early].custom_plugin_open("Hallo", 88, 99);
//gPersCustomFuncs[PersCustomLib_early].custom_plugin_close(17);
}
//printf("A p p l i c a t i o n n a m e => %s \n", __progname /*program_invocation_short_name*/); // TODO: only temp solution for application name
strncpy(gAppId, __progname, MaxAppNameLen);
// destory mutex
pthread_mutex_destroy(&gDbusInitializedMtx);
pthread_cond_destroy(&gDbusInitializedCond);
}
void pers_library_destroy(void)
{
#if ENABLE_DBUS_INTERFACE == 1
// unregister for lifecycle and persistence admin service dbus messages
unregister_lifecycle();
unregister_pers_admin_service();
#endif
DLT_UNREGISTER_CONTEXT(persClientLibCtx);
DLT_UNREGISTER_APP();
dlt_free();
}
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