RetroArch/runloop_data.c
2015-02-24 08:40:20 +01:00

445 lines
9.8 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
* Copyright (C) 2014-2015 - Jay McCarthy
*
* 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 "general.h"
#ifdef HAVE_NETWORKING
#include "net_http.h"
int cb_core_updater_download(void *data_, size_t len);
int cb_core_updater_list(void *data_, size_t len);
/**
* HTTP
*
**/
/**
* rarch_main_iterate_http_transfer:
*
* Resumes HTTP transfer update.
*
* Returns: 0 when finished, -1 when we should continue
* with the transfer on the next frame.
**/
static int rarch_main_iterate_http_transfer(void)
{
size_t pos = 0, tot = 0;
if (!net_http_update(g_extern.http.handle, &pos, &tot))
{
#ifdef _WIN32
RARCH_LOG("%.9I64u / %.9I64u \r", (unsigned long long)pos, (unsigned long long)tot);
#else
RARCH_LOG("%.9llu / %.9llu \r", (unsigned long long)pos, (unsigned long long)tot);
#endif
return -1;
}
return 0;
}
static int rarch_main_iterate_http_parse(void)
{
size_t len;
char *data = (char*)net_http_data(g_extern.http.handle, &len, false);
if (data && g_extern.http.cb)
g_extern.http.cb(data, len);
net_http_delete(g_extern.http.handle);
g_extern.http.handle = NULL;
msg_queue_clear(g_extern.http.msg_queue);
return 0;
}
/**
* rarch_main_iterate_http_transfer:
*
* Polls HTTP message queue to see if any new URLs
* are pending.
*
* If handle is freed, will set up a new http handle.
* The transfer will be started on the next frame.
*
* Returns: 0 when an URL has been pulled and we will
* begin transferring on the next frame. Returns -1 if
* no HTTP URL has been pulled. Do nothing in that case.
**/
static int rarch_main_iterate_http_poll(void)
{
char elem0[PATH_MAX_LENGTH], elem1[PATH_MAX_LENGTH];
struct string_list *str_list = NULL;
const char *url = msg_queue_pull(g_extern.http.msg_queue);
if (!url)
return -1;
/* Can only deal with one HTTP transfer at a time for now */
if (g_extern.http.handle)
return -1;
str_list = string_split(url, "|");
if (!str_list)
return -1;
if (str_list->size > 0)
strlcpy(elem0, str_list->elems[0].data, sizeof(elem0));
if (str_list->size > 1)
strlcpy(elem1, str_list->elems[1].data, sizeof(elem1));
g_extern.http.handle = net_http_new(elem0);
if (!g_extern.http.handle)
{
RARCH_ERR("Could not create new HTTP session handle.\n");
string_list_free(str_list);
return -1;
}
g_extern.http.cb = NULL;
if (elem1[0] != '\0')
{
if (!strcmp(elem1, "cb_core_updater_download"))
g_extern.http.cb = &cb_core_updater_download;
if (!strcmp(elem1, "cb_core_updater_list"))
g_extern.http.cb = &cb_core_updater_list;
}
string_list_free(str_list);
return 0;
}
#endif
#ifdef HAVE_MENU
static int cb_nbio_image_menu_wallpaper(void *data, size_t len)
{
struct rpng_t *rpng = NULL;
void *ptr = NULL;
struct texture_image ti = {0};
uint32_t **pixels = NULL;
unsigned *width = NULL;
unsigned *height = NULL;
rpng = (struct rpng_t*)calloc(1, sizeof(struct rpng_t));
if (!rpng)
return -1;
ptr = nbio_get_ptr(g_extern.nbio.handle, &len);
rpng->buff_data = (uint8_t*)ptr;
if (!rpng_nbio_load_image_argb_start(rpng))
{
rpng_nbio_load_image_free(rpng);
return -1;
}
while (rpng_nbio_load_image_argb_iterate(
rpng->buff_data,
rpng))
{
rpng->buff_data +=
4 + 4 + rpng->chunk.size + 4;
}
if (!rpng->has_ihdr || !rpng->has_idat || !rpng->has_iend)
return -1;
pixels = &ti.pixels;
width = &ti.width;
height = &ti.height;
rpng_nbio_load_image_argb_process(rpng, pixels, width, height);
if (driver.menu_ctx && driver.menu_ctx->load_background)
driver.menu_ctx->load_background(&ti);
texture_image_free(&ti);
if (rpng)
rpng_nbio_load_image_free(rpng);
rpng = NULL;
g_extern.nbio.is_blocking = true;
g_extern.nbio.is_finished = true;
return 0;
}
#endif
/**
* IMAGES
*
**/
static int rarch_main_iterate_image_poll(void)
{
const char *path = msg_queue_pull(g_extern.nbio.image.msg_queue);
if (!path)
return -1;
/* Can only deal with one image transfer at a time for now */
if (g_extern.nbio.image.handle)
return -1;
/* We need to load the image file first. */
msg_queue_clear(g_extern.nbio.msg_queue);
msg_queue_push(g_extern.nbio.msg_queue, path, 0, 1);
return 0;
}
static int rarch_main_iterate_image_transfer(void)
{
if (g_extern.nbio.image.is_finished)
return 0;
if (rpng_nbio_load_image_argb_iterate(
g_extern.nbio.image.handle->buff_data,
g_extern.nbio.image.handle))
{
g_extern.nbio.image.handle->buff_data +=
4 + 4 + g_extern.nbio.image.handle->chunk.size + 4;
return 0;
}
return -1;
}
static int rarch_main_iterate_image_parse_free(void)
{
if (!g_extern.nbio.image.is_finished)
return -1;
rpng_nbio_load_image_free(g_extern.nbio.image.handle);
g_extern.nbio.image.handle = NULL;
g_extern.nbio.image.is_blocking = false;
g_extern.nbio.image.is_finished = false;
msg_queue_clear(g_extern.nbio.image.msg_queue);
return 0;
}
static int rarch_main_iterate_image_parse(void)
{
size_t len = 0;
if (g_extern.nbio.image.handle && g_extern.nbio.image.cb)
g_extern.nbio.image.cb(g_extern.nbio.image.handle, len);
return 0;
}
/**
* NBIO
*
**/
static int cb_nbio_default(void *data, size_t len)
{
(void)data;
(void)len;
g_extern.nbio.is_blocking = false;
g_extern.nbio.is_finished = true;
return 0;
}
static int rarch_main_iterate_nbio_poll(void)
{
struct nbio_t* handle;
char elem0[PATH_MAX_LENGTH], elem1[PATH_MAX_LENGTH];
struct string_list *str_list = NULL;
const char *path = msg_queue_pull(g_extern.nbio.msg_queue);
if (!path)
return -1;
/* Can only deal with one NBIO transfer at a time for now */
if (g_extern.nbio.handle)
return -1;
str_list = string_split(path, "|");
if (!str_list)
goto error;
if (str_list->size > 0)
strlcpy(elem0, str_list->elems[0].data, sizeof(elem0));
if (str_list->size > 1)
strlcpy(elem1, str_list->elems[1].data, sizeof(elem1));
handle = nbio_open(elem0, NBIO_READ);
if (!handle)
{
RARCH_ERR("Could not create new file loading handle.\n");
goto error;
}
g_extern.nbio.handle = handle;
g_extern.nbio.is_blocking = false;
g_extern.nbio.is_finished = false;
g_extern.nbio.cb = &cb_nbio_default;
if (elem1[0] != '\0')
{
#ifdef HAVE_MENU
if (!strcmp(elem1, "cb_menu_wallpaper"))
g_extern.nbio.cb = &cb_nbio_image_menu_wallpaper;
#endif
}
nbio_begin_read(handle);
string_list_free(str_list);
return 0;
error:
if (str_list)
string_list_free(str_list);
return -1;
}
static int rarch_main_iterate_nbio_transfer(void)
{
if (!nbio_iterate(g_extern.nbio.handle))
return 0;
return -1;
}
static int rarch_main_iterate_nbio_parse_free(void)
{
if (!g_extern.nbio.is_finished)
return -1;
nbio_free(g_extern.nbio.handle);
g_extern.nbio.handle = NULL;
g_extern.nbio.is_blocking = false;
g_extern.nbio.is_finished = false;
msg_queue_clear(g_extern.nbio.msg_queue);
return 0;
}
static int rarch_main_iterate_nbio_parse(void)
{
size_t len = 0;
char *data = (char*)nbio_get_ptr(g_extern.nbio.handle, &len);
if (data && g_extern.nbio.cb)
g_extern.nbio.cb(data, len);
return 0;
}
/**
*
* RDB
*
**/
#ifdef HAVE_MENU
static void rarch_main_iterate_rdl(void)
{
if (!driver.menu->rdl)
return;
if (driver.menu->rdl->blocking)
{
/* Do nonblocking I/O transfers here. */
return;
}
#ifdef HAVE_LIBRETRODB
if (!driver.menu->rdl->iterating)
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, "Scanning of directory finished.\n", 1, 180);
database_info_write_rdl_free(driver.menu->rdl);
driver.menu->rdl = NULL;
return;
}
database_info_write_rdl_iterate(driver.menu->rdl);
#endif
}
#endif
void do_data_state_checks(void)
{
if (g_extern.nbio.handle)
{
if (!g_extern.nbio.is_blocking)
{
if (rarch_main_iterate_nbio_transfer() == -1)
rarch_main_iterate_nbio_parse();
}
else if (g_extern.nbio.is_finished)
rarch_main_iterate_nbio_parse_free();
}
else
rarch_main_iterate_nbio_poll();
if (g_extern.nbio.image.handle)
{
if (!g_extern.nbio.image.is_blocking)
{
if (rarch_main_iterate_image_transfer() == -1)
rarch_main_iterate_image_parse();
}
else if (g_extern.nbio.image.is_finished)
rarch_main_iterate_image_parse_free();
}
else
rarch_main_iterate_image_poll();
#ifdef HAVE_NETWORKING
if (g_extern.http.handle)
{
if (!rarch_main_iterate_http_transfer())
rarch_main_iterate_http_parse();
}
else
rarch_main_iterate_http_poll();
#endif
#ifdef HAVE_MENU
if (driver.menu && driver.menu->rdl)
rarch_main_iterate_rdl();
#endif
}