mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-26 09:41:15 +00:00
438 lines
9.4 KiB
C
438 lines
9.4 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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* Copyright (C) 2012-2015 - Michael Lelli
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* Copyright (C) 2014-2015 - Jay McCarthy
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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 "general.h"
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#ifdef HAVE_NETWORKING
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#include "net_http.h"
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int cb_core_updater_download(void *data_, size_t len);
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int cb_core_updater_list(void *data_, size_t len);
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/**
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* HTTP
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*
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**/
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/**
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* rarch_main_iterate_http_transfer:
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*
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* Resumes HTTP transfer update.
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*
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* Returns: 0 when finished, -1 when we should continue
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* with the transfer on the next frame.
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**/
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static int rarch_main_iterate_http_transfer(void)
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{
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size_t pos = 0, tot = 0;
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if (!net_http_update(g_extern.http.handle, &pos, &tot))
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{
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#ifdef _WIN32
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RARCH_LOG("%.9I64u / %.9I64u \r", (unsigned long long)pos, (unsigned long long)tot);
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#else
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RARCH_LOG("%.9llu / %.9llu \r", (unsigned long long)pos, (unsigned long long)tot);
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#endif
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return -1;
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}
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return 0;
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}
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static int rarch_main_iterate_http_parse(void)
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{
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size_t len;
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char *data = (char*)net_http_data(g_extern.http.handle, &len, false);
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if (data && g_extern.http.cb)
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g_extern.http.cb(data, len);
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net_http_delete(g_extern.http.handle);
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g_extern.http.handle = NULL;
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msg_queue_clear(g_extern.http.msg_queue);
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return 0;
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}
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/**
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* rarch_main_iterate_http_transfer:
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*
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* Polls HTTP message queue to see if any new URLs
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* are pending.
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*
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* If handle is freed, will set up a new http handle.
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* The transfer will be started on the next frame.
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*
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* Returns: 0 when an URL has been pulled and we will
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* begin transferring on the next frame. Returns -1 if
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* no HTTP URL has been pulled. Do nothing in that case.
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**/
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static int rarch_main_iterate_http_poll(void)
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{
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char elem0[PATH_MAX_LENGTH], elem1[PATH_MAX_LENGTH];
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struct string_list *str_list = NULL;
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const char *url = msg_queue_pull(g_extern.http.msg_queue);
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if (!url)
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return -1;
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/* Can only deal with one HTTP transfer at a time for now */
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if (g_extern.http.handle)
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return -1;
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str_list = string_split(url, "|");
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if (!str_list)
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return -1;
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if (str_list->size > 0)
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strlcpy(elem0, str_list->elems[0].data, sizeof(elem0));
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if (str_list->size > 1)
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strlcpy(elem1, str_list->elems[1].data, sizeof(elem1));
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g_extern.http.handle = net_http_new(elem0);
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if (!g_extern.http.handle)
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{
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RARCH_ERR("Could not create new HTTP session handle.\n");
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string_list_free(str_list);
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return -1;
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}
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g_extern.http.cb = NULL;
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if (elem1[0] != '\0')
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{
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if (!strcmp(elem1, "cb_core_updater_download"))
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g_extern.http.cb = &cb_core_updater_download;
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if (!strcmp(elem1, "cb_core_updater_list"))
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g_extern.http.cb = &cb_core_updater_list;
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}
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string_list_free(str_list);
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return 0;
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}
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#endif
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#ifdef HAVE_OVERLAY
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static int cb_image_overlay(void *data, size_t len)
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{
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g_extern.images.is_finished = true;
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g_extern.images.is_blocking = true;
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if (!driver.overlay)
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return -1;
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RARCH_LOG("Gets here.\n");
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driver.overlay->loading_status = OVERLAY_IMAGE_TRANSFER_DONE;
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return 0;
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}
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static int cb_nbio_image_overlay(void *data, size_t len)
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{
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(void)len;
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g_extern.nbio.is_finished = true;
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RARCH_LOG("Gets here.\n");
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g_extern.images.handle = (struct rpng_t*)calloc(1, sizeof(struct rpng_t));
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if (!g_extern.images.handle)
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return -1;
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g_extern.images.handle->buff_data = (uint8_t*)data;
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if (!rpng_nbio_load_image_argb_start(g_extern.images.handle))
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{
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rpng_nbio_load_image_free(g_extern.images.handle);
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return -1;
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}
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g_extern.images.cb = &cb_image_overlay;
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g_extern.nbio.is_blocking = true;
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return 0;
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}
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#endif
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/**
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* IMAGES
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*
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**/
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static int rarch_main_iterate_image_poll(void)
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{
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char newstring[PATH_MAX_LENGTH];
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const char *path = msg_queue_pull(g_extern.images.msg_queue);
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if (!path)
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return -1;
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/* Can only deal with one image transfer at a time for now */
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if (g_extern.images.handle)
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return -1;
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#if 0
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RARCH_LOG("Gets here, path: %s\n", path);
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#endif
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/* We need to load the image file first. */
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msg_queue_clear(g_extern.nbio.msg_queue);
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msg_queue_push(g_extern.nbio.msg_queue, newstring, 1, 180);
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return 0;
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}
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static int rarch_main_iterate_image_transfer(void)
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{
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if (rpng_nbio_load_image_argb_iterate(
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g_extern.images.handle->buff_data,
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g_extern.images.handle))
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{
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g_extern.images.handle->buff_data +=
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4 + 4 + g_extern.images.handle->chunk.size + 4;
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return 0;
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}
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return -1;
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}
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static int rarch_main_iterate_image_parse_free(void)
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{
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if (!g_extern.images.is_finished)
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return -1;
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rpng_nbio_load_image_free(g_extern.images.handle);
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g_extern.images.handle = NULL;
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g_extern.images.is_blocking = false;
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g_extern.images.is_finished = false;
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msg_queue_clear(g_extern.images.msg_queue);
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return 0;
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}
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static int rarch_main_iterate_image_parse(void)
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{
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size_t len = 0;
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if (g_extern.images.handle && g_extern.images.cb)
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g_extern.images.cb(g_extern.images.handle, len);
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return 0;
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}
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/**
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* NBIO
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*
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**/
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static int cb_nbio_default(void *data, size_t len)
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{
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(void)data;
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(void)len;
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g_extern.nbio.is_blocking = false;
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g_extern.nbio.is_finished = true;
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return 0;
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}
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static int rarch_main_iterate_nbio_poll(void)
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{
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struct nbio_t* handle;
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char elem0[PATH_MAX_LENGTH], elem1[PATH_MAX_LENGTH];
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struct string_list *str_list = NULL;
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const char *path = msg_queue_pull(g_extern.nbio.msg_queue);
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if (!path)
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return -1;
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/* Can only deal with one NBIO transfer at a time for now */
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if (g_extern.nbio.handle)
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return -1;
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str_list = string_split(path, "|");
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if (!str_list)
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goto error;
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if (str_list->size > 0)
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strlcpy(elem0, str_list->elems[0].data, sizeof(elem0));
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if (str_list->size > 1)
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strlcpy(elem1, str_list->elems[1].data, sizeof(elem1));
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handle = nbio_open(elem0, NBIO_READ);
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if (!handle)
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{
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RARCH_ERR("Could not create new file loading handle.\n");
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goto error;
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}
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#if 0
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RARCH_LOG("path is: %s\n", path);
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#endif
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g_extern.nbio.handle = handle;
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g_extern.nbio.cb = NULL;
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g_extern.nbio.is_blocking = false;
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g_extern.nbio.is_finished = false;
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if (elem1[0] != '\0')
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{
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#ifdef HAVE_OVERLAY
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if (!strcmp(elem1, "cb_image_overlay_load"))
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g_extern.nbio.cb = &cb_nbio_image_overlay;
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else
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#endif
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g_extern.nbio.cb = &cb_nbio_default;
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}
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nbio_begin_read(handle);
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string_list_free(str_list);
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return 0;
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error:
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if (str_list)
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string_list_free(str_list);
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return -1;
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}
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static int rarch_main_iterate_nbio_transfer(void)
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{
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if (!nbio_iterate(g_extern.nbio.handle))
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return -1;
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return 0;
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}
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static int rarch_main_iterate_nbio_parse_free(void)
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{
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if (!g_extern.nbio.is_finished)
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return -1;
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nbio_free(g_extern.nbio.handle);
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g_extern.nbio.handle = NULL;
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g_extern.nbio.is_blocking = false;
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g_extern.nbio.is_finished = false;
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msg_queue_clear(g_extern.nbio.msg_queue);
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return 0;
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}
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static int rarch_main_iterate_nbio_parse(void)
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{
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size_t len = 0;
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char *data = (char*)nbio_get_ptr(g_extern.nbio.handle, &len);
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if (data && g_extern.nbio.cb)
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g_extern.nbio.cb(data, len);
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return 0;
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}
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/**
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*
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* RDB
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*
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**/
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#ifdef HAVE_MENU
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static void rarch_main_iterate_rdl(void)
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{
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if (!driver.menu->rdl)
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return;
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if (driver.menu->rdl->blocking)
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{
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/* Do nonblocking I/O transfers here. */
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return;
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}
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if (!driver.menu->rdl->iterating)
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{
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msg_queue_clear(g_extern.msg_queue);
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msg_queue_push(g_extern.msg_queue, "Scanning of directory finished.\n", 1, 180);
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database_info_write_rdl_free(driver.menu->rdl);
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driver.menu->rdl = NULL;
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return;
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}
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database_info_write_rdl_iterate(driver.menu->rdl);
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}
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#endif
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void do_data_state_checks(void)
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{
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if (g_extern.nbio.handle)
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{
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if (!g_extern.nbio.is_blocking)
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{
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if (!rarch_main_iterate_nbio_transfer())
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rarch_main_iterate_nbio_parse();
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}
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else if (g_extern.nbio.is_finished)
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rarch_main_iterate_nbio_parse_free();
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}
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else
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rarch_main_iterate_nbio_poll();
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if (g_extern.images.handle)
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{
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if (!g_extern.images.is_blocking)
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{
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if (!rarch_main_iterate_image_transfer())
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rarch_main_iterate_image_parse();
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}
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else if (g_extern.images.is_finished)
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rarch_main_iterate_image_parse_free();
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}
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else
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rarch_main_iterate_image_poll();
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#ifdef HAVE_NETWORKING
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if (g_extern.http.handle)
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{
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if (!rarch_main_iterate_http_transfer())
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rarch_main_iterate_http_parse();
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}
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else
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rarch_main_iterate_http_poll();
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#endif
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#ifdef HAVE_MENU
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if (driver.menu && driver.menu->rdl)
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rarch_main_iterate_rdl();
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#endif
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}
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