RetroArch/wifi/wifi_driver.c

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2016-09-21 14:06:14 +00:00
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2016 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include "wifi_driver.h"
#include "../configuration.h"
#include "../driver.h"
#include "../retroarch.h"
#include "../runloop.h"
#include "../list_special.h"
#include "../verbosity.h"
static const wifi_driver_t *wifi_drivers[] = {
#ifdef HAVE_LAKKA
&wifi_connmanctl,
#endif
&wifi_null,
NULL,
};
/**
* wifi_driver_find_handle:
* @idx : index of driver to get handle to.
*
* Returns: handle to wifi driver at index. Can be NULL
* if nothing found.
**/
const void *wifi_driver_find_handle(int idx)
{
const void *drv = wifi_drivers[idx];
if (!drv)
return NULL;
return drv;
}
/**
* wifi_driver_find_ident:
* @idx : index of driver to get handle to.
*
* Returns: Human-readable identifier of wifi driver at index. Can be NULL
* if nothing found.
**/
const char *wifi_driver_find_ident(int idx)
{
const wifi_driver_t *drv = wifi_drivers[idx];
if (!drv)
return NULL;
return drv->ident;
}
/**
* config_get_wifi_driver_options:
*
* Get an enumerated list of all wifi driver names,
* separated by '|'.
*
* Returns: string listing of all wifi driver names,
* separated by '|'.
**/
const char* config_get_wifi_driver_options(void)
{
return char_list_new_special(STRING_LIST_WIFI_DRIVERS, NULL);
}
void driver_wifi_stop(void)
{
wifi_driver_ctl(RARCH_WIFI_CTL_START, NULL);
}
bool driver_wifi_start(void)
{
return wifi_driver_ctl(RARCH_WIFI_CTL_START, NULL);
}
bool wifi_driver_ctl(enum rarch_wifi_ctl_state state, void *data)
{
settings_t *settings = config_get_ptr();
static const wifi_driver_t *wifi_driver = NULL;
static void *wifi_data = NULL;
static bool wifi_driver_active = false;
static bool wifi_driver_data_own = false;
switch (state)
{
case RARCH_WIFI_CTL_DESTROY:
wifi_driver_active = false;
wifi_driver_data_own = false;
wifi_driver = NULL;
wifi_data = NULL;
break;
case RARCH_WIFI_CTL_SET_OWN_DRIVER:
wifi_driver_data_own = true;
break;
case RARCH_WIFI_CTL_UNSET_OWN_DRIVER:
wifi_driver_data_own = false;
break;
case RARCH_WIFI_CTL_OWNS_DRIVER:
return wifi_driver_data_own;
case RARCH_WIFI_CTL_SET_ACTIVE:
wifi_driver_active = true;
break;
case RARCH_WIFI_CTL_FIND_DRIVER:
{
int i;
driver_ctx_info_t drv;
drv.label = "wifi_driver";
drv.s = settings->wifi.driver;
driver_ctl(RARCH_DRIVER_CTL_FIND_INDEX, &drv);
i = drv.len;
if (i >= 0)
wifi_driver = (const wifi_driver_t*)wifi_driver_find_handle(i);
else
{
unsigned d;
RARCH_ERR("Couldn't find any wifi driver named \"%s\"\n",
settings->wifi.driver);
RARCH_LOG_OUTPUT("Available wifi drivers are:\n");
for (d = 0; wifi_driver_find_handle(d); d++)
RARCH_LOG_OUTPUT("\t%s\n", wifi_driver_find_ident(d));
RARCH_WARN("Going to default to first wifi driver...\n");
wifi_driver = (const wifi_driver_t*)wifi_driver_find_handle(0);
if (!wifi_driver)
retroarch_fail(1, "find_wifi_driver()");
}
}
break;
case RARCH_WIFI_CTL_UNSET_ACTIVE:
wifi_driver_active = false;
break;
case RARCH_WIFI_CTL_IS_ACTIVE:
return wifi_driver_active;
case RARCH_WIFI_CTL_DEINIT:
if (wifi_data && wifi_driver)
{
if (wifi_driver->free)
wifi_driver->free(wifi_data);
}
wifi_data = NULL;
break;
case RARCH_WIFI_CTL_STOP:
if ( wifi_driver
&& wifi_driver->stop
&& wifi_data)
wifi_driver->stop(wifi_data);
break;
case RARCH_WIFI_CTL_START:
if (wifi_driver && wifi_data && wifi_driver->start)
{
if (settings->wifi.allow)
return wifi_driver->start(wifi_data);
}
return false;
case RARCH_WIFI_CTL_SET_CB:
{
/*struct retro_wifi_callback *cb =
(struct retro_wifi_callback*)data;
wifi_cb = *cb;*/
}
break;
case RARCH_WIFI_CTL_INIT:
/* Resource leaks will follow if wifi is initialized twice. */
if (wifi_data)
return false;
wifi_driver_ctl(RARCH_WIFI_CTL_FIND_DRIVER, NULL);
wifi_data = wifi_driver->init();
if (!wifi_data)
{
RARCH_ERR("Failed to initialize wifi driver. Will continue without wifi.\n");
wifi_driver_ctl(RARCH_WIFI_CTL_UNSET_ACTIVE, NULL);
}
/*if (wifi_cb.initialized)
wifi_cb.initialized();*/
break;
default:
break;
}
return false;
}