usb_moded-ssu.c
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* @file usb_moded-ssu.c
*
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* Copyright (C) 2016-2019 Jolla. All rights reserved.
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*
* @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
*/
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#include "usb_moded-ssu.h"
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#include "usb_moded-log.h"
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#include <stdlib.h>
#include <string.h>
#include <ssusysinfo.h>
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/* ========================================================================= *
* Prototypes
* ========================================================================= */
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/* ------------------------------------------------------------------------- *
* SSU
* ------------------------------------------------------------------------- */
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static void ssu_free_handle (void);
static ssusysinfo_t *ssu_get_handle (void);
gchar *ssu_get_manufacturer_name(void);
gchar *ssu_get_product_name (void);
/* ========================================================================= *
* Data
* ========================================================================= */
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/** Cached ssu-sysinfo handle */
static ssusysinfo_t *ssu_instance = 0;
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/** Flag for ssu-sysinfo instance has been initialized */
static gboolean ssu_intialized = FALSE;
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/* ========================================================================= *
* Functions
* ========================================================================= */
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/** Atexit callback for releasing cached ssu-sysinfo handle */
static void ssu_free_handle(void)
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LOG_REGISTER_CONTEXT;
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/* Make sure instance does not get created on exit path */
ssu_intialized = TRUE;
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/* Release existing instance */
ssusysinfo_delete(ssu_instance),
ssu_instance = 0;
}
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/** Helper for obtaining ssu-sysinfo handle on demand
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* @return ssu-sysinfo, or NULL in case of errors
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static ssusysinfo_t *ssu_get_handle(void)
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LOG_REGISTER_CONTEXT;
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/* Attempt only once */
if( !ssu_intialized ) {
ssu_intialized = TRUE;
ssu_instance = ssusysinfo_create();
atexit(ssu_free_handle);
}
return ssu_instance;
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/** Read device manufacturer name from the SSU configuration
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*
* Caller must release non-null return value with g_free().
*
* @return human readable string, or NULL in case of errors
*/
gchar *
ssu_get_manufacturer_name(void)
{
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LOG_REGISTER_CONTEXT;
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gchar *res = 0;
const char *val = ssusysinfo_device_manufacturer(ssu_get_handle());
if( val && strcmp(val, "UNKNOWN") )
res = g_strdup(val);
log_debug("%s() -> %s", __FUNCTION__, res ?: "N/A");
return res;
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/** Read device model name from the SSU configuration
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*
* Caller must release non-null return value with g_free().
*
* @return human readable string, or NULL in case of errors
*/
gchar *
ssu_get_product_name(void)
{
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LOG_REGISTER_CONTEXT;
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gchar *res = 0;
const char *val = ssusysinfo_device_pretty_name(ssu_get_handle());
if( val && strcmp(val, "UNKNOWN") )
res = g_strdup(val);
log_debug("%s() -> %s", __FUNCTION__, res ?: "N/A");
return res;