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usb_moded-dyn-config.c
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usb_moded-dyn-config.c
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/**
* @file usb_moded-dyn-mode.c
*
* Copyright (C) 2011 Nokia Corporation. All rights reserved.
* Copyright (C) 2013-2019 Jolla. All rights reserved.
*
* @author: Philippe De Swert <philippe.de-swert@nokia.com>
* @author: Philippe De Swert <philippedeswert@gmail.com>
* @author: Philippe De Swert <philippe.deswert@jollamobile.com>
* @author: Thomas Perl <thomas.perl@jolla.com>
* @author: Slava Monich <slava.monich@jolla.com>
* @author: Simo Piiroinen <simo.piiroinen@jollamobile.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Lesser GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the Lesser GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "usb_moded-dyn-config.h"
#include "usb_moded-log.h"
#include <stdlib.h>
/* ========================================================================= *
* Prototypes
* ========================================================================= */
/* ------------------------------------------------------------------------- *
* MODEDATA
* ------------------------------------------------------------------------- */
void modedata_free (modedata_t *list_item);
static gint modedata_sort_cb(gconstpointer a, gconstpointer b);
static modedata_t *modedata_load (const gchar *filename);
/* ------------------------------------------------------------------------- *
* MODELIST
* ------------------------------------------------------------------------- */
void modelist_free(GList *modelist);
GList *modelist_load(int diag);
/* ========================================================================= *
* Functions
* ========================================================================= */
/** Relase modedata_t object
*
* @param list_item Object pointer, or NULL
*/
void
modedata_free(modedata_t *list_item)
{
LOG_REGISTER_CONTEXT;
if( list_item ) {
free(list_item->mode_name);
free(list_item->mode_module);
free(list_item->network_interface);
free(list_item->sysfs_path);
free(list_item->sysfs_value);
free(list_item->sysfs_reset_value);
free(list_item->android_extra_sysfs_path);
free(list_item->android_extra_sysfs_value);
free(list_item->android_extra_sysfs_path2);
free(list_item->android_extra_sysfs_value2);
free(list_item->android_extra_sysfs_path3);
free(list_item->android_extra_sysfs_value3);
free(list_item->android_extra_sysfs_path4);
free(list_item->android_extra_sysfs_value4);
free(list_item->idProduct);
free(list_item->idVendorOverride);
#ifdef CONNMAN
free(list_item->connman_tethering);
#endif
free(list_item);
}
}
/** Release mode list
*
* @param modelist List pointer, or NULL
*/
void
modelist_free(GList *modelist)
{
LOG_REGISTER_CONTEXT;
if(modelist)
{
g_list_foreach(modelist, (GFunc) modedata_free, NULL);
g_list_free(modelist);
modelist = 0;
}
}
/** Callback for sorting mode list alphabetically
*
* For use with g_list_sort()
*
* @param a Object pointer
* @param b Object pointer
*
* @return result of comparing object names
*/
static gint
modedata_sort_cb(gconstpointer a, gconstpointer b)
{
LOG_REGISTER_CONTEXT;
modedata_t *aa = (modedata_t *)a;
modedata_t *bb = (modedata_t *)b;
return g_strcmp0(aa->mode_name, bb->mode_name);
}
/** Load mode data files from configuration directory
*
* @param diag true to load diagnostic modes, false for normal modes
*
* @return List of mode data objects, or NULL
*/
GList *
modelist_load(int diag)
{
LOG_REGISTER_CONTEXT;
GDir *confdir;
GList *modelist = NULL;
const gchar *dirname;
modedata_t *list_item;
gchar *full_filename = NULL;
if(diag)
confdir = g_dir_open(DIAG_DIR_PATH, 0, NULL);
else
confdir = g_dir_open(MODE_DIR_PATH, 0, NULL);
if(confdir)
{
while((dirname = g_dir_read_name(confdir)) != NULL)
{
log_debug("Read file %s\n", dirname);
if(diag)
full_filename = g_strconcat(DIAG_DIR_PATH, "/", dirname, NULL);
else
full_filename = g_strconcat(MODE_DIR_PATH, "/", dirname, NULL);
list_item = modedata_load(full_filename);
/* free full_filename immediately as we do not use it anymore */
free(full_filename);
if(list_item)
modelist = g_list_append(modelist, list_item);
}
g_dir_close(confdir);
}
else
log_debug("Mode confdir open failed or file is incomplete/invalid.\n");
modelist = g_list_sort (modelist, modedata_sort_cb);
return modelist;
}
/** Load mode data from file
*
* @param filename Path to file from which to read
*
* @return Mode data object, or NULL
*/
static modedata_t *
modedata_load(const gchar *filename)
{
LOG_REGISTER_CONTEXT;
bool success = false;
GKeyFile *settingsfile = g_key_file_new();
modedata_t *list_item = NULL;
if( !g_key_file_load_from_file(settingsfile, filename, G_KEY_FILE_NONE, NULL) ) {
log_err("%s: can't read mode configuration file", filename);
goto EXIT;
}
list_item = calloc(1, sizeof *list_item);
// [MODE_ENTRY = "mode"]
list_item->mode_name = g_key_file_get_string(settingsfile, MODE_ENTRY, MODE_NAME_KEY, NULL);
list_item->mode_module = g_key_file_get_string(settingsfile, MODE_ENTRY, MODE_MODULE_KEY, NULL);
log_debug("Dynamic mode name = %s\n", list_item->mode_name);
log_debug("Dynamic mode module = %s\n", list_item->mode_module);
list_item->appsync = g_key_file_get_integer(settingsfile, MODE_ENTRY, MODE_NEEDS_APPSYNC_KEY, NULL);
list_item->mass_storage = g_key_file_get_integer(settingsfile, MODE_ENTRY, MODE_MASS_STORAGE_KEY, NULL);
list_item->network = g_key_file_get_integer(settingsfile, MODE_ENTRY, MODE_NETWORK_KEY, NULL);
list_item->network_interface = g_key_file_get_string(settingsfile, MODE_ENTRY, MODE_NETWORK_INTERFACE_KEY, NULL);
// [MODE_OPTIONS_ENTRY = "options"]
list_item->sysfs_path = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_SYSFS_PATH, NULL);
list_item->sysfs_value = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_SYSFS_VALUE, NULL);
list_item->sysfs_reset_value = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_SYSFS_RESET_VALUE, NULL);
list_item->android_extra_sysfs_path = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_ANDROID_EXTRA_SYSFS_PATH, NULL);
list_item->android_extra_sysfs_path2 = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_ANDROID_EXTRA_SYSFS_PATH2, NULL);
list_item->android_extra_sysfs_path3 = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_ANDROID_EXTRA_SYSFS_PATH3, NULL);
list_item->android_extra_sysfs_path4 = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_ANDROID_EXTRA_SYSFS_PATH4, NULL);
list_item->android_extra_sysfs_value = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_ANDROID_EXTRA_SYSFS_VALUE, NULL);
list_item->android_extra_sysfs_value2 = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_ANDROID_EXTRA_SYSFS_VALUE2, NULL);
list_item->android_extra_sysfs_value3 = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_ANDROID_EXTRA_SYSFS_VALUE3, NULL);
list_item->android_extra_sysfs_value4 = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_ANDROID_EXTRA_SYSFS_VALUE4, NULL);
list_item->idProduct = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_IDPRODUCT, NULL);
list_item->idVendorOverride = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_IDVENDOROVERRIDE, NULL);
list_item->nat = g_key_file_get_integer(settingsfile, MODE_OPTIONS_ENTRY, MODE_HAS_NAT, NULL);
list_item->dhcp_server = g_key_file_get_integer(settingsfile, MODE_OPTIONS_ENTRY, MODE_HAS_DHCP_SERVER, NULL);
#ifdef CONNMAN
list_item->connman_tethering = g_key_file_get_string(settingsfile, MODE_OPTIONS_ENTRY, MODE_CONNMAN_TETHERING, NULL);
#endif
//log_debug("Dynamic mode sysfs path = %s\n", list_item->sysfs_path);
//log_debug("Dynamic mode sysfs value = %s\n", list_item->sysfs_value);
//log_debug("Android extra mode sysfs path2 = %s\n", list_item->android_extra_sysfs_path2);
//log_debug("Android extra value2 = %s\n", list_item->android_extra_sysfs_value2);
if( list_item->mode_name == NULL || list_item->mode_module == NULL ) {
log_err("%s: mode_name or mode_module not defined", filename);
goto EXIT;
}
if( list_item->network && list_item->network_interface == NULL) {
log_err("%s: network not fully defined", filename);
goto EXIT;
}
if( (list_item->sysfs_path && !list_item->sysfs_value) ||
(list_item->sysfs_reset_value && !list_item->sysfs_path) ) {
/* In theory all of this is optional.
*
* In most cases 'sysfs_value' holds a list of functions to enable,
* and 'sysfs_path' or 'sysfs_reset_value' values are simply ignored.
*
* However, for the benefit of existing special configuration files
* like the one for host mode:
* - having sysfs_path implies that sysfs_value should be set too
* - having sysfs_reset_value implies that sysfs_path should be set
*/
log_err("%s: sysfs_value not fully defined", filename);
goto EXIT;
}
log_debug("%s: successfully loaded", filename);
success = true;
EXIT:
g_key_file_free(settingsfile);
if( !success )
modedata_free(list_item), list_item = 0;
return list_item;
}