RetroArch/tasks/task_netplay_nat_traversal.c

98 lines
2.4 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2017 - Gregor Richards
*
* 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 <stdlib.h>
#include "tasks_internal.h"
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#ifdef HAVE_NETWORKING
#include <net/net_natt.h>
#endif
#include "../network/netplay/netplay.h"
#include "../verbosity.h"
#ifdef HAVE_NETWORKING
struct nat_traversal_state_data
{
struct natt_status *nat_traversal_state;
uint16_t port;
};
static void netplay_nat_traversal_callback(retro_task_t *task,
void *task_data,
void *user_data, const char *error)
{
struct nat_traversal_state_data *ntsd =
(struct nat_traversal_state_data *) task_data;
free(ntsd);
netplay_driver_ctl(RARCH_NETPLAY_CTL_FINISHED_NAT_TRAVERSAL, NULL);
}
static void task_netplay_nat_traversal_handler(retro_task_t *task)
{
struct nat_traversal_state_data *ntsd =
(struct nat_traversal_state_data *) task->task_data;
natt_init();
if (natt_new(ntsd->nat_traversal_state))
natt_open_port_any(ntsd->nat_traversal_state, ntsd->port, SOCKET_PROTOCOL_TCP);
task_set_progress(task, 100);
task_set_finished(task, true);
}
#endif
bool task_push_netplay_nat_traversal(void *nat_traversal_state, uint16_t port)
{
#ifdef HAVE_NETWORKING
struct nat_traversal_state_data *ntsd;
retro_task_t *task = task_init();
if (!task)
return false;
ntsd = (struct nat_traversal_state_data *) calloc(1, sizeof(*ntsd));
if (!ntsd)
{
free(task);
return false;
}
ntsd->nat_traversal_state =
(struct natt_status *) nat_traversal_state;
ntsd->port = port;
task->type = TASK_TYPE_BLOCKING;
task->handler = task_netplay_nat_traversal_handler;
task->callback = netplay_nat_traversal_callback;
task->task_data = ntsd;
task_queue_push(task);
return true;
#else
return false;
#endif
}