mirror of
https://github.com/libretro/RetroArch.git
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121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2016-2017 - Jean-André Santoni
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* Copyright (C) 2016-2019 - Andrés Suárez
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* Copyright (C) 2021-2022 - Roberto V. Rampim
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <features/features_cpu.h>
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#include "tasks_internal.h"
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#ifdef HAVE_NETPLAYDISCOVERY
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#include "../network/netplay/netplay.h"
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struct netplay_lan_scan_data
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{
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retro_time_t timeout;
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void (*cb)(const void*);
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bool query;
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bool busy;
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};
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static void task_netplay_lan_scan_handler(retro_task_t *task)
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{
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struct netplay_lan_scan_data *data =
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(struct netplay_lan_scan_data*)task->task_data;
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if (data->query)
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{
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netplay_discovery_driver_ctl(
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RARCH_NETPLAY_DISCOVERY_CTL_LAN_CLEAR_RESPONSES, NULL);
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if (!init_netplay_discovery())
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goto finished;
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if (!netplay_discovery_driver_ctl(
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RARCH_NETPLAY_DISCOVERY_CTL_LAN_SEND_QUERY, NULL))
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goto finished;
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data->timeout += cpu_features_get_time_usec();
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data->query = false;
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}
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else
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{
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if (!netplay_discovery_driver_ctl(
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RARCH_NETPLAY_DISCOVERY_CTL_LAN_GET_RESPONSES, NULL))
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{
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if (cpu_features_get_time_usec() >= data->timeout)
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goto finished;
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}
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}
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return;
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finished:
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deinit_netplay_discovery();
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task_set_progress(task, 100);
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task_set_finished(task, true);
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}
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static void task_netplay_lan_scan_callback(retro_task_t *task,
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void *task_data, void *user_data, const char *error)
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{
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struct netplay_lan_scan_data *data =
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(struct netplay_lan_scan_data*)task_data;
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net_driver_state_t *net_st = networking_state_get_ptr();
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data->cb(&net_st->discovered_hosts);
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data->busy = false;
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}
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bool task_push_netplay_lan_scan(void (*cb)(const void*), unsigned timeout)
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{
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static struct netplay_lan_scan_data data = {0};
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retro_task_t *task;
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/* Do not run more than one LAN scan task at a time. */
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if (data.busy)
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return false;
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task = task_init();
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if (!task)
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return false;
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data.busy = true;
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data.query = true;
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data.timeout = (retro_time_t)timeout * 1000;
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data.cb = cb;
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task->handler = task_netplay_lan_scan_handler;
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task->callback = task_netplay_lan_scan_callback;
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task->task_data = &data;
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task_queue_push(task);
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return true;
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}
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#else
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bool task_push_netplay_lan_scan(void (*cb)(const void*), unsigned timeout)
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{
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return false;
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}
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#endif
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