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RetroArch/command.c
LibretroAdmin 0b329018ee Less string buffers and less string copies
2025-01-16 23:59:22 +01:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2021 - David G.F.
*
* 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 <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <locale.h>
#ifdef HAVE_NETWORKING
#include <net/net_compat.h>
#include <net/net_socket.h>
#endif
#include <lists/dir_list.h>
#include <file/file_path.h>
#include <streams/stdin_stream.h>
#include <streams/file_stream.h>
#include <string/stdstring.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_CHEEVOS
#include "cheevos/cheevos.h"
#endif
#ifdef HAVE_GFX_WIDGETS
#include "gfx/gfx_widgets.h"
#endif
#ifdef HAVE_MENU
#include "menu/menu_driver.h"
#endif
#ifdef HAVE_NETWORKING
#include "network/netplay/netplay.h"
#endif
#include "audio/audio_driver.h"
#if defined(HAVE_CG) || defined(HAVE_GLSL) || defined(HAVE_SLANG) || defined(HAVE_HLSL)
#include "gfx/video_shader_parse.h"
#endif
#include "autosave.h"
#include "command.h"
#include "core_info.h"
#include "cheat_manager.h"
#include "content.h"
#include "dynamic.h"
#include "list_special.h"
#include "paths.h"
#include "retroarch.h"
#include "runloop.h"
#include "verbosity.h"
#include "version.h"
#include "version_git.h"
#define CMD_BUF_SIZE 4096
static void command_post_state_loaded(void)
{
#ifdef HAVE_CHEEVOS
if (rcheevos_hardcore_active())
{
const char *_msg = msg_hash_to_str(MSG_CHEEVOS_HARDCORE_MODE_DISABLED);
rcheevos_pause_hardcore();
runloop_msg_queue_push(_msg, strlen(_msg), 0, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
}
#endif
#ifdef HAVE_NETWORKING
netplay_driver_ctl(RARCH_NETPLAY_CTL_LOAD_SAVESTATE, NULL);
#endif
{
settings_t *settings = config_get_ptr();
video_driver_state_t *video_st =
video_state_get_ptr();
bool frame_time_counter_reset_after_load_state =
settings->bools.frame_time_counter_reset_after_load_state;
if (frame_time_counter_reset_after_load_state)
video_st->frame_time_count = 0;
}
}
#if defined(HAVE_COMMAND)
/* Generic command parse utilities */
static bool command_get_arg(const char *tok,
const char **arg, unsigned *index)
{
unsigned i;
for (i = 0; i < ARRAY_SIZE(map); i++)
{
if (string_is_equal(tok, map[i].str))
{
if (arg)
*arg = NULL;
if (index)
*index = i;
return true;
}
}
for (i = 0; i < ARRAY_SIZE(action_map); i++)
{
const char *str = strstr(tok, action_map[i].str);
if (str == tok)
{
const char *argument = str + strlen(action_map[i].str);
if (!argument)
return false;
if (*argument != ' ' && *argument != '\0')
return false;
if (arg)
*arg = argument + 1;
if (index)
*index = i;
return true;
}
}
return false;
}
static void command_parse_sub_msg(command_t *handle, const char *tok)
{
const char *arg = NULL;
unsigned index = 0;
if (command_get_arg(tok, &arg, &index))
{
if (arg)
{
if (!action_map[index].action(handle, arg))
RARCH_ERR("Command \"%s\" failed.\n", arg);
}
else
handle->state[map[index].id] = true;
}
else
RARCH_WARN(msg_hash_to_str(MSG_UNRECOGNIZED_COMMAND), tok);
}
static void command_parse_msg(command_t *handle, char *buf)
{
char *save = NULL;
const char *tok = strtok_r(buf, "\n", &save);
while (tok)
{
command_parse_sub_msg(handle, tok);
tok = strtok_r(NULL, "\n", &save);
}
}
#if defined(HAVE_NETWORK_CMD)
typedef struct
{
/* Network socket FD */
int net_fd;
/* Source address for the command received */
struct sockaddr_storage cmd_source;
/* Size of the previous structure in use */
socklen_t cmd_source_len;
} command_network_t;
static void network_command_reply(
command_t *cmd,
const char * data, size_t len)
{
command_network_t *netcmd = (command_network_t*)cmd->userptr;
/* Respond (fire and forget since it's UDP) */
sendto(netcmd->net_fd, data, len, 0,
(struct sockaddr*)&netcmd->cmd_source, netcmd->cmd_source_len);
}
static void network_command_free(command_t *handle)
{
command_network_t *netcmd = (command_network_t*)handle->userptr;
if (netcmd->net_fd >= 0)
socket_close(netcmd->net_fd);
free(netcmd);
free(handle);
}
static void command_network_poll(command_t *handle)
{
ssize_t ret;
char buf[2048];
command_network_t *netcmd = (command_network_t*)handle->userptr;
if (netcmd->net_fd < 0)
return;
for (;;)
{
netcmd->cmd_source_len = sizeof(netcmd->cmd_source);
if ((ret = recvfrom(netcmd->net_fd, buf, sizeof(buf) - 1, 0,
(struct sockaddr*)&netcmd->cmd_source,
&netcmd->cmd_source_len)) <= 0)
return;
buf[ret] = '\0';
command_parse_msg(handle, buf);
}
}
command_t* command_network_new(uint16_t port)
{
struct addrinfo *res = NULL;
command_t *cmd = (command_t*)calloc(1, sizeof(*cmd));
command_network_t *netcmd = (command_network_t*)calloc(
1, sizeof(command_network_t));
int fd = socket_init((void**)&res, port, NULL,
SOCKET_TYPE_DATAGRAM, AF_INET);
RARCH_LOG("[NetCMD]: %s %hu.\n",
msg_hash_to_str(MSG_BRINGING_UP_COMMAND_INTERFACE_ON_PORT),
(unsigned short)port);
if (fd < 0)
goto error;
netcmd->net_fd = fd;
cmd->userptr = netcmd;
cmd->poll = command_network_poll;
cmd->replier = network_command_reply;
cmd->destroy = network_command_free;
if (!socket_nonblock(netcmd->net_fd))
goto error;
if (!socket_bind(netcmd->net_fd, (void*)res))
{
RARCH_ERR("[NetCMD]: %s.\n",
msg_hash_to_str(MSG_FAILED_TO_BIND_SOCKET));
goto error;
}
freeaddrinfo_retro(res);
return cmd;
error:
if (res)
freeaddrinfo_retro(res);
free(netcmd);
free(cmd);
return NULL;
}
#endif
#if defined(HAVE_STDIN_CMD)
typedef struct
{
/* Buffer and pointer for stdin reads */
size_t stdin_buf_ptr;
char stdin_buf[CMD_BUF_SIZE];
} command_stdin_t;
static void stdin_command_reply(
command_t *cmd,
const char * data, size_t len)
{
/* Just write to stdout! */
fwrite(data, 1, len, stdout);
fflush(stdout);
}
static void stdin_command_free(command_t *handle)
{
free(handle->userptr);
free(handle);
}
static void command_stdin_poll(command_t *handle)
{
ptrdiff_t msg_len;
char *last_newline = NULL;
command_stdin_t *stdincmd = (command_stdin_t*)handle->userptr;
ssize_t ret = read_stdin(
stdincmd->stdin_buf + stdincmd->stdin_buf_ptr,
CMD_BUF_SIZE - stdincmd->stdin_buf_ptr - 1);
if (ret == 0)
return;
stdincmd->stdin_buf_ptr += ret;
stdincmd->stdin_buf[stdincmd->stdin_buf_ptr] = '\0';
last_newline = strrchr(stdincmd->stdin_buf, '\n');
if (!last_newline)
{
/* We're receiving bogus data in pipe
* (no terminating newline), flush out the buffer. */
if (stdincmd->stdin_buf_ptr + 1 >= CMD_BUF_SIZE)
{
stdincmd->stdin_buf_ptr = 0;
stdincmd->stdin_buf[0] = '\0';
}
return;
}
*last_newline++ = '\0';
msg_len = last_newline - stdincmd->stdin_buf;
command_parse_msg(handle, stdincmd->stdin_buf);
memmove(stdincmd->stdin_buf, last_newline,
stdincmd->stdin_buf_ptr - msg_len);
stdincmd->stdin_buf_ptr -= msg_len;
}
command_t* command_stdin_new(void)
{
command_t *cmd;
command_stdin_t *stdincmd;
#ifndef _WIN32
#ifdef HAVE_NETWORKING
if (!socket_nonblock(STDIN_FILENO))
return NULL;
#endif
#endif
cmd = (command_t*)calloc(1, sizeof(command_t));
stdincmd = (command_stdin_t*)calloc(1, sizeof(command_stdin_t));
if (!cmd)
return NULL;
if (!stdincmd)
{
free(cmd);
return NULL;
}
cmd->userptr = stdincmd;
cmd->poll = command_stdin_poll;
cmd->replier = stdin_command_reply;
cmd->destroy = stdin_command_free;
return cmd;
}
#endif
bool command_get_config_param(command_t *cmd, const char* arg)
{
size_t _len;
char reply[8192];
#ifdef HAVE_BSV_MOVIE
char value_dynamic[256];
#endif
const char *value = "unsupported";
settings_t *settings = config_get_ptr();
bool video_fullscreen = settings->bools.video_fullscreen;
const char *dir_runtime_log = settings->paths.directory_runtime_log;
const char *log_dir = settings->paths.log_dir;
const char *directory_cache = settings->paths.directory_cache;
const char *directory_system = settings->paths.directory_system;
const char *path_username = settings->paths.username;
if (string_is_equal(arg, "video_fullscreen"))
{
if (video_fullscreen)
value = "true";
else
value = "false";
}
else if (string_is_equal(arg, "savefile_directory"))
value = dir_get_ptr(RARCH_DIR_SAVEFILE);
else if (string_is_equal(arg, "savestate_directory"))
value = dir_get_ptr(RARCH_DIR_SAVESTATE);
else if (string_is_equal(arg, "runtime_log_directory"))
value = dir_runtime_log;
else if (string_is_equal(arg, "log_dir"))
value = log_dir;
else if (string_is_equal(arg, "cache_directory"))
value = directory_cache;
else if (string_is_equal(arg, "system_directory"))
value = directory_system;
else if (string_is_equal(arg, "netplay_nickname"))
value = path_username;
#ifdef HAVE_BSV_MOVIE
else if (string_is_equal(arg, "active_replay"))
{
input_driver_state_t *input_st = input_state_get_ptr();
value = value_dynamic;
value_dynamic[0] = '\0';
if (input_st->bsv_movie_state_handle)
{
bsv_movie_t *movie = input_st->bsv_movie_state_handle;
snprintf(value_dynamic, sizeof(value_dynamic), "%lld %u %lld",
(long long)(movie->identifier),
input_st->bsv_movie_state.flags,
(long long)(movie->frame_counter));
}
else
strlcpy(value_dynamic, "0 0 0", sizeof(value_dynamic));
}
#endif
/* TODO: query any string */
_len = strlcpy(reply, "GET_CONFIG_PARAM ", sizeof(reply));
_len += strlcpy(reply + _len, arg, sizeof(reply) - _len);
reply[ _len] = ' ';
reply[++_len] = '\0';
_len += strlcpy(reply + _len, value, sizeof(reply) - _len);
cmd->replier(cmd, reply, _len);
return true;
}
#if defined(HAVE_LAKKA)
#include <sys/un.h>
#define MAX_USER_CONNECTIONS 4
typedef struct
{
/* File descriptor for the domain socket */
int sfd;
/* Client sockets */
int userfd[MAX_USER_CONNECTIONS];
/* Last received user socket */
int last_fd;
} command_uds_t;
static void uds_command_reply(
command_t *cmd,
const char * data, size_t len)
{
command_uds_t *subcmd = (command_uds_t*)cmd->userptr;
write(subcmd->last_fd, data, len);
}
static void uds_command_free(command_t *handle)
{
int i;
command_uds_t *udscmd = (command_uds_t*)handle->userptr;
for (i = 0; i < MAX_USER_CONNECTIONS; i++)
if (udscmd->userfd[i] >= 0)
socket_close(udscmd->userfd[i]);
socket_close(udscmd->sfd);
free(handle->userptr);
free(handle);
}
static void command_uds_poll(command_t *handle)
{
int i;
int fd;
ssize_t ret;
char buf[2048];
command_uds_t *udscmd = (command_uds_t*)handle->userptr;
if (udscmd->sfd < 0)
return;
/* Read data from clients and process commands */
for (i = 0; i < MAX_USER_CONNECTIONS; i++)
{
bool err = false;
fd = udscmd->userfd[i];
if (fd < 0)
continue;
ret = socket_receive_all_nonblocking(fd, &err, buf, sizeof(buf) - 1);
if (!ret)
continue;
if (!err)
{
buf[ret] = '\0';
udscmd->last_fd = fd;
command_parse_msg(handle, buf);
}
else
{
socket_close(fd);
udscmd->userfd[i] = -1;
}
}
/* Accepts new connections from clients */
fd = accept(udscmd->sfd, NULL, NULL);
if (fd >= 0)
{
if (socket_nonblock(fd))
{
for (i = 0; i < MAX_USER_CONNECTIONS; i++)
{
if (udscmd->userfd[i] < 0)
{
udscmd->userfd[i] = fd;
return;
}
}
}
socket_close(fd);
}
}
command_t* command_uds_new(void)
{
int i;
command_t *cmd;
command_uds_t *subcmd;
struct sockaddr_un addr;
socklen_t addrsz = offsetof(struct sockaddr_un, sun_path) + STRLEN_CONST("retroarch/cmd") + 1;
int fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd < 0)
return NULL;
/* use an abstract socket for simplicity */
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
strcpy(&addr.sun_path[1], "retroarch/cmd");
if (bind(fd, (struct sockaddr*)&addr, addrsz) < 0 ||
listen(fd, MAX_USER_CONNECTIONS) < 0)
{
socket_close(fd);
return NULL;
}
if (!socket_nonblock(fd))
{
socket_close(fd);
return NULL;
}
cmd = (command_t*)calloc(1, sizeof(command_t));
subcmd = (command_uds_t*)calloc(1, sizeof(command_uds_t));
subcmd->sfd = fd;
subcmd->last_fd = -1;
for (i = 0; i < MAX_USER_CONNECTIONS; i++)
subcmd->userfd[i] = -1;
cmd->userptr = subcmd;
cmd->poll = command_uds_poll;
cmd->replier = uds_command_reply;
cmd->destroy = uds_command_free;
return cmd;
}
#endif
/* Routines used to invoke retroarch command ... */
#ifdef HAVE_NETWORK_CMD
static bool command_verify(const char *cmd)
{
unsigned i;
if (command_get_arg(cmd, NULL, NULL))
return true;
RARCH_ERR("[NetCMD]: Command \"%s\" is not recognized by the program.\n", cmd);
RARCH_ERR("[NetCMD]: \tValid commands:\n");
for (i = 0; i < ARRAY_SIZE(map); i++)
RARCH_ERR("\t\t%s\n", map[i].str);
for (i = 0; i < ARRAY_SIZE(action_map); i++)
RARCH_ERR("\t\t%s %s\n", action_map[i].str, action_map[i].arg_desc);
return false;
}
static bool udp_send_packet(const char *host, uint16_t port, const char *msg)
{
char port_buf[6];
const struct addrinfo *tmp_info;
struct addrinfo *addr = NULL;
struct addrinfo hints = {0};
size_t len = strlen(msg);
bool ret = false;
snprintf(port_buf, sizeof(port_buf), "%hu", (unsigned short)port);
hints.ai_socktype = SOCK_DGRAM;
hints.ai_flags = AI_NUMERICSERV;
if (getaddrinfo_retro(host, port_buf, &hints, &addr))
return false;
if (!addr)
return false;
/* Send to all possible targets. */
tmp_info = addr;
do
{
int fd = socket(tmp_info->ai_family,
tmp_info->ai_socktype, tmp_info->ai_protocol);
if (fd < 0)
continue;
if (sendto(fd, msg, len, 0, tmp_info->ai_addr, tmp_info->ai_addrlen) ==
(ssize_t)len)
ret = true;
socket_close(fd);
} while ((tmp_info = tmp_info->ai_next));
freeaddrinfo_retro(addr);
return ret;
}
bool command_network_send(const char *cmd_)
{
char *command = NULL;
char *save = NULL;
const char *cmd = NULL;
if (!network_init())
return false;
if (!(command = strdup(cmd_)))
return false;
cmd = strtok_r(command, ";", &save);
if (cmd)
{
uint16_t port = DEFAULT_NETWORK_CMD_PORT;
const char *port_ = NULL;
const char *host = strtok_r(NULL, ";", &save);
if (host)
port_ = strtok_r(NULL, ";", &save);
else
{
#ifdef _WIN32
host = "127.0.0.1";
#else
host = "localhost";
#endif
}
if (port_)
port = strtoul(port_, NULL, 0);
RARCH_LOG("[NetCMD]: %s: \"%s\" to %s:%hu\n",
msg_hash_to_str(MSG_SENDING_COMMAND),
cmd, host, (unsigned short)port);
if (command_verify(cmd) && udp_send_packet(host, port, cmd))
{
free(command);
return true;
}
}
free(command);
return false;
}
#endif
bool command_show_osd_msg(command_t *cmd, const char* arg)
{
runloop_msg_queue_push(arg, strlen(arg), 1, 180, false, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
return true;
}
bool command_load_state_slot(command_t *cmd, const char *arg)
{
char state_path[16384];
size_t _len = 0;
char reply[128] = "";
unsigned int slot = (unsigned int)strtoul(arg, NULL, 10);
bool savestates_enabled = core_info_current_supports_savestate();
bool ret = false;
state_path[0] = '\0';
_len = strlcpy(reply, "LOAD_STATE_SLOT ", sizeof(reply));
_len += snprintf(reply + _len, sizeof(reply) - _len, "%d", slot);
if (savestates_enabled)
{
size_t info_size;
runloop_get_savestate_path(state_path, sizeof(state_path), slot);
info_size = core_serialize_size();
savestates_enabled = (info_size > 0);
}
if (savestates_enabled)
{
if ((ret = content_load_state(state_path, false, false)))
command_post_state_loaded();
}
else
ret = false;
cmd->replier(cmd, reply, _len);
return ret;
}
bool command_play_replay_slot(command_t *cmd, const char *arg)
{
#ifdef HAVE_BSV_MOVIE
char replay_path[16384];
char reply[128] = "";
unsigned int slot = (unsigned int)strtoul(arg, NULL, 10);
bool savestates_enabled = core_info_current_supports_savestate();
bool ret = false;
replay_path[0] = '\0';
if (savestates_enabled)
{
size_t info_size;
runloop_get_replay_path(replay_path, sizeof(replay_path), slot);
info_size = core_serialize_size();
savestates_enabled = (info_size > 0);
}
if (savestates_enabled)
{
ret = movie_start_playback(input_state_get_ptr(), replay_path);
if (ret)
{
input_driver_state_t *input_st = input_state_get_ptr();
task_queue_wait(NULL, NULL);
if (input_st->bsv_movie_state_next_handle)
snprintf(reply, sizeof(reply) - 1, "PLAY_REPLAY_SLOT %lld", (long long)(input_st->bsv_movie_state_next_handle->identifier));
else
snprintf(reply, sizeof(reply) - 1, "PLAY_REPLAY_SLOT 0");
command_post_state_loaded();
}
}
else
ret = false;
cmd->replier(cmd, reply, strlen(reply));
return ret;
#else
return false;
#endif
}
#if defined(HAVE_CHEEVOS)
bool command_read_ram(command_t *cmd, const char *arg)
{
unsigned i;
char *reply = NULL;
const uint8_t *data = NULL;
char *reply_at = NULL;
unsigned int nbytes = 0;
unsigned int alloc_size = 0;
unsigned int addr = -1;
size_t _len = 0;
if (sscanf(arg, "%x %u", &addr, &nbytes) != 2)
return true;
/* We allocate more than needed, saving 20 bytes is not really relevant */
alloc_size = 40 + nbytes * 3;
reply = (char*)malloc(alloc_size);
reply[0] = '\0';
reply_at = reply + snprintf(
reply, alloc_size - 1, "READ_CORE_RAM" " %x", addr);
if ((data = rcheevos_patch_address(addr)))
{
for (i = 0; i < nbytes; i++)
snprintf(reply_at + 3 * i, 4, " %.2X", data[i]);
reply_at[3 * nbytes] = '\n';
_len = reply_at + 3 * nbytes + 1 - reply;
}
else
{
strlcpy(reply_at, " -1\n", sizeof(reply) - strlen(reply));
_len = reply_at + STRLEN_CONST(" -1\n") - reply;
}
cmd->replier(cmd, reply, _len);
free(reply);
return true;
}
bool command_write_ram(command_t *cmd, const char *arg)
{
unsigned int addr = (unsigned int)strtoul(arg, (char**)&arg, 16);
uint8_t *data = (uint8_t *)rcheevos_patch_address(addr);
if (!data)
return false;
if (rcheevos_hardcore_active())
{
RARCH_LOG("[Command]: Achievements hardcore mode disabled by WRITE_CORE_RAM.\n");
rcheevos_pause_hardcore();
}
while (*arg)
{
*data = strtoul(arg, (char**)&arg, 16);
data++;
}
return true;
}
#endif
bool command_version(command_t *cmd, const char* arg)
{
char reply[256];
size_t _len = strlcpy(reply, PACKAGE_VERSION, sizeof(reply));
reply[ _len] = '\n';
reply[++_len] = '\0';
cmd->replier(cmd, reply, _len);
return true;
}
static const rarch_memory_descriptor_t* command_memory_get_descriptor(const rarch_memory_map_t* mmap, unsigned address, size_t* offset)
{
const rarch_memory_descriptor_t* desc = mmap->descriptors;
const rarch_memory_descriptor_t* end = desc + mmap->num_descriptors;
for (; desc < end; desc++)
{
if (desc->core.select == 0)
{
/* if select is 0, attempt to explicitly match the address */
if (address >= desc->core.start && address < desc->core.start + desc->core.len)
{
*offset = address - desc->core.start;
return desc;
}
}
else
{
/* otherwise, attempt to match the address by matching the select bits */
if (((desc->core.start ^ address) & desc->core.select) == 0)
{
/* adjust the address to the start of the descriptor */
unsigned desc_offset = address - (unsigned)desc->core.start;
/* address is unsigned. we only need that much of the disconnect mask */
unsigned mask = (unsigned)desc->core.disconnect;
/* this magic logic is copied from mmap_reduce. it removes any bits from
* address that are non-zero in the disconnect field. bits above the
* removed bits are shifted down to fill the gap. */
while (mask)
{
const unsigned tmp = (mask - 1) & ~mask;
desc_offset = (desc_offset & tmp) | ((desc_offset >> 1) & ~tmp);
mask = (mask & (mask - 1)) >> 1;
}
/* we've calculated the actual offset of the data within the descriptor */
*offset = desc_offset;
/* sanity check - make sure the descriptor is large enough to hold the target address */
if (desc_offset < desc->core.len)
return desc;
}
}
}
return NULL;
}
static uint8_t *command_memory_get_pointer(
const rarch_system_info_t* sys_info,
unsigned address, unsigned int* max_bytes,
int for_write, char *s, size_t len)
{
if (!sys_info || sys_info->mmaps.num_descriptors == 0)
strlcpy(s, " -1 no memory map defined\n", len);
else
{
size_t offset;
const rarch_memory_descriptor_t* desc = command_memory_get_descriptor(&sys_info->mmaps, address, &offset);
if (!desc)
strlcpy(s, " -1 no descriptor for address\n", len);
else if (!desc->core.ptr)
strlcpy(s, " -1 no data for descriptor\n", len);
else if (for_write && (desc->core.flags & RETRO_MEMDESC_CONST))
strlcpy(s, " -1 descriptor data is readonly\n", len);
else
{
*max_bytes = (unsigned int)(desc->core.len - offset);
return (uint8_t*)desc->core.ptr + desc->core.offset + offset;
}
}
*max_bytes = 0;
return NULL;
}
bool command_get_status(command_t *cmd, const char* arg)
{
size_t _len;
char reply[4096];
uint8_t flags = content_get_flags();
if (flags & CONTENT_ST_FLAG_IS_INITED)
{
/* add some content info */
core_info_t *core_info = NULL;
runloop_state_t *runloop_st = runloop_state_get_ptr();
core_info_get_current_core(&core_info);
_len = strlcpy(reply, "GET_STATUS ", sizeof(reply));
if (runloop_st->flags & RUNLOOP_FLAG_PAUSED)
_len += strlcpy(reply + _len, "PAUSED", sizeof(reply) - _len);
else
_len += strlcpy(reply + _len, "PLAYING", sizeof(reply) - _len);
_len += strlcpy(reply + _len, " ", sizeof(reply) - _len);
if (core_info)
_len += strlcpy(reply + _len, core_info->system_id,
sizeof(reply) - _len);
else
_len += strlcpy(reply + _len, runloop_st->system.info.library_name,
sizeof(reply) - _len);
_len += strlcpy(reply + _len, ",", sizeof(reply) - _len);
_len += strlcpy(reply + _len,
path_basename(path_get(RARCH_PATH_BASENAME)), sizeof(reply) - _len);
_len += snprintf(reply + _len, sizeof(reply) - _len,
",crc32=%x\n", content_get_crc());
}
else
_len = strlcpy(reply, "GET_STATUS CONTENTLESS", sizeof(reply));
cmd->replier(cmd, reply, _len);
return true;
}
bool command_read_memory(command_t *cmd, const char *arg)
{
unsigned i;
char* reply = NULL;
char* reply_at = NULL;
const uint8_t* data = NULL;
unsigned int nbytes = 0;
unsigned int alloc_size = 0;
unsigned int address = -1;
size_t _len = 0;
unsigned int max_bytes = 0;
runloop_state_t *runloop_st = runloop_state_get_ptr();
const rarch_system_info_t* sys_info= &runloop_st->system;
if (sscanf(arg, "%x %u", &address, &nbytes) != 2)
return false;
/* Ensure large enough to return all requested bytes or an error message */
alloc_size = 64 + nbytes * 3;
reply = (char*)malloc(alloc_size);
reply_at = reply + snprintf(reply, alloc_size - 1, "READ_CORE_MEMORY %x", address);
if ((data = command_memory_get_pointer(
sys_info, address, &max_bytes,
0, reply_at, alloc_size - strlen(reply))))
{
if (nbytes > max_bytes)
nbytes = max_bytes;
for (i = 0; i < nbytes; i++)
snprintf(reply_at + 3 * i, 4, " %02X", data[i]);
reply_at[3 * nbytes] = '\n';
_len = reply_at + 3 * nbytes + 1 - reply;
}
else
_len = strlen(reply);
cmd->replier(cmd, reply, _len);
free(reply);
return true;
}
bool command_write_memory(command_t *cmd, const char *arg)
{
unsigned int address = (unsigned int)strtoul(arg, (char**)&arg, 16);
unsigned int max_bytes = 0;
char reply[128] = "";
runloop_state_t *runloop_st = runloop_state_get_ptr();
const rarch_system_info_t
*sys_info = &runloop_st->system;
char *reply_at = reply + snprintf(reply, sizeof(reply) - 1, "WRITE_CORE_MEMORY %x", address);
uint8_t *data = command_memory_get_pointer(sys_info, address, &max_bytes, 1, reply_at, sizeof(reply) - strlen(reply) - 1);
if (data)
{
uint8_t* start = data;
while (*arg && max_bytes > 0)
{
--max_bytes;
*data = strtoul(arg, (char**)&arg, 16);
data++;
}
snprintf(reply_at, sizeof(reply) - strlen(reply) - 1,
" %u\n", (unsigned)(data - start));
#ifdef HAVE_CHEEVOS
if (rcheevos_hardcore_active())
{
RARCH_LOG("[Command]: Achievements hardcore mode disabled by WRITE_CORE_MEMORY.\n");
rcheevos_pause_hardcore();
}
#endif
}
cmd->replier(cmd, reply, strlen(reply));
return true;
}
#endif
void command_event_set_volume(
settings_t *settings,
float gain,
bool widgets_active,
bool audio_driver_mute_enable)
{
size_t _len;
char msg[128];
float new_volume = settings->floats.audio_volume + gain;
new_volume = MAX(new_volume, -80.0f);
new_volume = MIN(new_volume, 12.0f);
configuration_set_float(settings, settings->floats.audio_volume, new_volume);
_len = strlcpy(msg, msg_hash_to_str(MSG_AUDIO_VOLUME),
sizeof(msg));
msg[_len ] = ':';
msg[++_len] = ' ';
msg[++_len] = '\0';
_len += snprintf(msg + _len, sizeof(msg) - _len, "%.1f",
new_volume);
msg[_len ] = ' ';
msg[++_len] = 'd';
msg[++_len] = 'B';
msg[++_len] = '\0';
#if defined(HAVE_GFX_WIDGETS)
if (widgets_active)
gfx_widget_volume_update_and_show(new_volume,
audio_driver_mute_enable);
else
#endif
runloop_msg_queue_push(msg, _len, 1, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
RARCH_LOG("[Audio]: %s\n", msg);
audio_set_float(AUDIO_ACTION_VOLUME_GAIN, new_volume);
}
/**
* event_set_mixer_volume:
* @gain : amount of gain to be applied to current volume level.
*
* Adjusts the current audio volume level.
*
**/
void command_event_set_mixer_volume(
settings_t *settings,
float gain)
{
size_t _len;
char msg[128];
float new_volume = settings->floats.audio_mixer_volume + gain;
new_volume = MAX(new_volume, -80.0f);
new_volume = MIN(new_volume, 12.0f);
configuration_set_float(settings, settings->floats.audio_mixer_volume, new_volume);
_len = strlcpy(msg, msg_hash_to_str(MSG_AUDIO_VOLUME),
sizeof(msg));
msg[_len ] = ':';
msg[++_len] = ' ';
msg[++_len] = '\0';
_len += snprintf(msg + _len, sizeof(msg) - _len, "%.1f",
new_volume);
msg[_len ] = ' ';
msg[++_len] = 'd';
msg[++_len] = 'B';
msg[++_len] = '\0';
runloop_msg_queue_push(msg, _len, 1, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
RARCH_LOG("[Audio]: %s\n", msg);
audio_set_float(AUDIO_ACTION_VOLUME_GAIN, new_volume);
}
void command_event_init_controllers(rarch_system_info_t *sys_info,
settings_t *settings, unsigned num_active_users)
{
unsigned port;
unsigned num_core_ports = sys_info->ports.size;
for (port = 0; port < num_core_ports; port++)
{
unsigned i;
retro_ctx_controller_info_t pad;
unsigned device = RETRO_DEVICE_NONE;
const struct retro_controller_description *desc = NULL;
/* Check whether current core port is mapped
* to an input device
* > If is not, leave 'device' set to
* 'RETRO_DEVICE_NONE'
* > For example: if input ports 0 and 1 are
* mapped to core port 0, core port 1 will
* be unmapped and should be disabled */
for (i = 0; i < num_active_users; i++)
{
if (i >= MAX_USERS)
break;
if (port == settings->uints.input_remap_ports[i])
{
device = input_config_get_device(port);
break;
}
}
desc = libretro_find_controller_description(
&sys_info->ports.data[port], device);
if (desc && !desc->desc)
{
/* If we're trying to connect a completely unknown device,
* revert back to JOYPAD. */
if (device != RETRO_DEVICE_JOYPAD && device != RETRO_DEVICE_NONE)
{
/* Do not fix device,
* because any use of dummy core will reset this,
* which is not a good idea. */
RARCH_WARN("[Input]: Input device ID %u is unknown to this "
"libretro implementation. Using RETRO_DEVICE_JOYPAD.\n",
device);
device = RETRO_DEVICE_JOYPAD;
}
}
pad.device = device;
pad.port = port;
core_set_controller_port_device(&pad);
}
}
#ifdef HAVE_CONFIGFILE
static size_t command_event_save_config(
const char *config_path, char *s, size_t len)
{
size_t _len = 0;
bool path_exists = !string_is_empty(config_path);
const char *str = path_exists ? config_path :
path_get(RARCH_PATH_CONFIG);
/* Workaround for libdecor 0.2.0 setting unwanted locale */
#if defined(HAVE_WAYLAND) && defined(HAVE_DYNAMIC)
setlocale(LC_NUMERIC,"C");
#endif
if (path_exists && config_save_file(config_path))
{
#if IOS
char tmp[PATH_MAX_LENGTH] = {0};
fill_pathname_abbreviate_special(tmp, config_path, sizeof(tmp));
_len = snprintf(s, len, "%s \"%s\".",
msg_hash_to_str(MSG_SAVED_NEW_CONFIG_TO),
tmp);
#else
_len = snprintf(s, len, "%s \"%s\".",
msg_hash_to_str(MSG_SAVED_NEW_CONFIG_TO),
config_path);
#endif
RARCH_LOG("[Config]: %s\n", s);
return _len;
}
if (!string_is_empty(str))
{
_len = snprintf(s, len, "%s \"%s\".",
msg_hash_to_str(MSG_FAILED_SAVING_CONFIG_TO),
str);
RARCH_ERR("[Config]: %s\n", s);
}
return _len;
}
#endif
static size_t command_event_undo_save_state(char *s, size_t len)
{
if (content_undo_save_buf_is_empty())
return strlcpy(s,
msg_hash_to_str(MSG_NO_SAVE_STATE_HAS_BEEN_OVERWRITTEN_YET), len);
if (!content_undo_save_state())
return strlcpy(s,
msg_hash_to_str(MSG_FAILED_TO_UNDO_SAVE_STATE), len);
return strlcpy(s,
msg_hash_to_str(MSG_UNDOING_SAVE_STATE), len);
}
static size_t command_event_undo_load_state(char *s, size_t len)
{
if (content_undo_load_buf_is_empty())
return strlcpy(s,
msg_hash_to_str(MSG_NO_STATE_HAS_BEEN_LOADED_YET),
len);
if (!content_undo_load_state())
return snprintf(s, len, "%s \"%s\".",
msg_hash_to_str(MSG_FAILED_TO_UNDO_LOAD_STATE),
"RAM");
#ifdef HAVE_NETWORKING
netplay_driver_ctl(RARCH_NETPLAY_CTL_LOAD_SAVESTATE, NULL);
#endif
return strlcpy(s,
msg_hash_to_str(MSG_UNDID_LOAD_STATE), len);
}
bool command_event_resize_windowed_scale(settings_t *settings,
unsigned window_scale)
{
unsigned idx = 0;
bool video_fullscreen = settings->bools.video_fullscreen;
if (window_scale == 0)
return false;
configuration_set_uint(settings, settings->uints.video_scale, window_scale);
if (!video_fullscreen)
command_event(CMD_EVENT_REINIT, NULL);
retroarch_ctl(RARCH_CTL_SET_WINDOWED_SCALE, &idx);
return true;
}
size_t command_event_save_auto_state(void)
{
size_t _len;
runloop_state_t *runloop_st = runloop_state_get_ptr();
char savestate_name_auto[PATH_MAX_LENGTH];
if (runloop_st->entry_state_slot)
return 0;
if (!core_info_current_supports_savestate())
return 0;
if (string_is_empty(path_basename(path_get(RARCH_PATH_BASENAME))))
return 0;
_len = strlcpy(savestate_name_auto,
runloop_st->name.savestate,
sizeof(savestate_name_auto));
_len += strlcpy(savestate_name_auto + _len, ".auto",
sizeof(savestate_name_auto) - _len);
if (content_auto_save_state((const char*)savestate_name_auto))
RARCH_LOG("[State]: %s \"%s\" %s.\n",
msg_hash_to_str(MSG_AUTO_SAVE_STATE_TO),
savestate_name_auto, "succeeded");
else
RARCH_LOG("[State]: %s \"%s\" %s.\n",
msg_hash_to_str(MSG_AUTO_SAVE_STATE_TO),
savestate_name_auto, "failed");
return _len;
}
#ifdef HAVE_CHEATS
void command_event_init_cheats(
bool apply_cheats_after_load,
const char *path_cheat_db,
void *bsv_movie_data)
{
#ifdef HAVE_NETWORKING
bool allow_cheats = !netplay_driver_ctl(
RARCH_NETPLAY_CTL_IS_DATA_INITED, NULL);
#else
bool allow_cheats = true;
#endif
#ifdef HAVE_BSV_MOVIE
allow_cheats &= !(bsv_movie_data != NULL);
#endif
if (!allow_cheats)
return;
cheat_manager_alloc_if_empty();
cheat_manager_load_game_specific_cheats(path_cheat_db);
if (apply_cheats_after_load)
cheat_manager_apply_cheats();
}
#endif
bool command_event_load_entry_state(settings_t *settings)
{
char entry_state_path[PATH_MAX_LENGTH];
int entry_path_stats;
runloop_state_t *runloop_st = runloop_state_get_ptr();
bool ret = false;
if (!core_info_current_supports_savestate())
return false;
#ifdef HAVE_CHEEVOS
if (rcheevos_hardcore_active())
return false;
#endif
#ifdef HAVE_NETWORKING
if (netplay_driver_ctl(RARCH_NETPLAY_CTL_IS_ENABLED, NULL))
return false;
#endif
entry_state_path[0] = '\0';
if (!runloop_get_entry_state_path(
entry_state_path, sizeof(entry_state_path),
runloop_st->entry_state_slot))
return false;
entry_path_stats = path_stat(entry_state_path);
if ((entry_path_stats & RETRO_VFS_STAT_IS_VALID) == 0
|| (entry_path_stats & RETRO_VFS_STAT_IS_DIRECTORY) != 0)
return false;
ret = content_load_state(entry_state_path, false, true);
RARCH_LOG("[State]: %s \"%s\".\n",
msg_hash_to_str(MSG_FOUND_ENTRY_STATE_IN),
entry_state_path);
RARCH_LOG("[State]: %s \"%s\" %s.\n",
msg_hash_to_str(MSG_LOADING_ENTRY_STATE_FROM),
entry_state_path, ret ? "succeeded" : "failed"
);
if (ret)
configuration_set_int(settings, settings->ints.state_slot, runloop_st->entry_state_slot);
return ret;
}
void command_event_load_auto_state(void)
{
size_t _len;
char savestate_name_auto[PATH_MAX_LENGTH];
runloop_state_t *runloop_st = runloop_state_get_ptr();
if (!core_info_current_supports_savestate())
return;
#ifdef HAVE_CHEEVOS
if (rcheevos_hardcore_active())
return;
#endif
#ifdef HAVE_NETWORKING
if (netplay_driver_ctl(RARCH_NETPLAY_CTL_IS_ENABLED, NULL))
return;
#endif
_len = strlcpy(savestate_name_auto,
runloop_st->name.savestate,
sizeof(savestate_name_auto));
strlcpy(savestate_name_auto + _len, ".auto",
sizeof(savestate_name_auto) - _len);
if (!path_is_valid(savestate_name_auto))
return;
RARCH_LOG("[State]: %s \"%s\".\n",
msg_hash_to_str(MSG_FOUND_AUTO_SAVESTATE_IN),
savestate_name_auto);
if ((content_load_state(savestate_name_auto, false, true)))
RARCH_LOG("[State]: %s \"%s\" %s.\n",
msg_hash_to_str(MSG_AUTOLOADING_SAVESTATE_FROM),
savestate_name_auto, "succeeded");
else
RARCH_LOG("[State]: %s \"%s\" %s.\n",
msg_hash_to_str(MSG_AUTOLOADING_SAVESTATE_FROM),
savestate_name_auto, "failed");
}
/**
* Scans existing states to determine which one should be loaded
* and which one can be deleted, using savestate wraparound if
* enabled.
*
* @param settings The usual RetroArch settings ptr.
* @param last_index Return value for load slot.
* @param @s Return value for file name that should be removed.
*/
static void scan_states(settings_t *settings,
unsigned *last_index, char *s)
{
/* Base name of 128 may be too short for some (<<1%) of the
tosec-based file names, but in practice truncating will not
lead to mismatch */
char state_base[128];
char state_dir[DIR_MAX_LENGTH];
runloop_state_t *runloop_st = runloop_state_get_ptr();
bool show_hidden_files = settings->bools.show_hidden_files;
unsigned savestate_max_keep = settings->uints.savestate_max_keep;
int curr_state_slot = settings->ints.state_slot;
unsigned max_idx = 0;
unsigned loa_idx = 0;
unsigned gap_idx = UINT_MAX;
unsigned del_idx = UINT_MAX;
retro_bits_512_t slot_mapping_low = {0};
retro_bits_512_t slot_mapping_high = {0};
struct string_list *dir_list = NULL;
const char *savefile_root = NULL;
size_t savefile_root_length = 0;
size_t i, cnt = 0;
size_t cnt_in_range = 0;
fill_pathname_basedir(state_dir, runloop_st->name.savestate,
sizeof(state_dir));
if (!(dir_list = dir_list_new_special(state_dir,
DIR_LIST_PLAIN, NULL, show_hidden_files)))
return;
fill_pathname_base(state_base, runloop_st->name.savestate,
sizeof(state_base));
for (i = 0; i < dir_list->size; i++)
{
unsigned idx;
size_t _len;
char elem_base[128];
const char *ext = NULL;
const char *end = NULL;
const char *dir_elem = dir_list->elems[i].data;
if (string_is_empty(dir_elem))
continue;
_len = strlen(dir_elem);
fill_pathname_base(elem_base, dir_elem, sizeof(elem_base));
/* Only consider files with a '.state' extension
* > i.e. Ignore '.state.auto', '.state.bak', etc. */
ext = path_get_extension(elem_base);
if ( string_is_empty(ext)
|| !string_starts_with_size(ext, "state", STRLEN_CONST("state")))
continue;
/* Check whether this file is associated with
* the current content */
if (!string_starts_with(elem_base, state_base))
continue;
/* This looks like a valid savestate */
/* Save filename root and length (once) */
if (savefile_root_length == 0)
{
savefile_root = dir_elem;
savefile_root_length = _len;
}
/* Decode the savestate index */
end = dir_elem + _len;
while ((end > dir_elem) && ISDIGIT((int)end[-1]))
{
end--;
if (savefile_root == dir_elem)
savefile_root_length--;
}
idx = string_to_unsigned(end);
/* Simple administration: max, total. */
if (idx > max_idx)
max_idx = idx;
cnt++;
if (idx <= savestate_max_keep)
cnt_in_range++;
/* Maintain a 2x512 bit map of occupied save states */
if (idx < 512)
BIT512_SET(slot_mapping_low,idx);
else if (idx < 1024)
BIT512_SET(slot_mapping_high, idx - 512);
}
/* Next loop on the bitmap, since the file system may have presented the files in any order above */
for (i = 0; i <= savestate_max_keep; i++)
{
/* Unoccupied save slots */
if ( (i < 512 && !BIT512_GET(slot_mapping_low, i))
|| (i > 511 && !BIT512_GET(slot_mapping_high, i-512)))
{
/* Gap index: lowest free slot in the wraparound range */
if (gap_idx == UINT_MAX)
gap_idx = (unsigned)i;
}
else /* Occupied save slots */
{
/* Del index: first occupied slot in the wraparound range,
after gap index */
if ( gap_idx < UINT_MAX && del_idx == UINT_MAX)
del_idx = (unsigned)i;
}
}
/* Special cases of wraparound */
/* No previous savestate - set to end, so that first save
goes to 0 */
if (cnt_in_range == 0)
{
if (cnt == 0)
loa_idx = savestate_max_keep;
/* Transient: nothing in current range, but something is present
* higher up -> load that */
else
loa_idx = max_idx;
gap_idx = savestate_max_keep;
del_idx = savestate_max_keep;
}
/* No gap was found - deduct from current index or default
and set (missing) gap index to be deleted */
else if (gap_idx == UINT_MAX)
{
/* Transient: no gap, and max is higher than currently
* allowed -> load that, but wrap around so that next
* time gap will be present */
if (max_idx > savestate_max_keep)
{
loa_idx = max_idx;
gap_idx = 1;
}
/* Current index is in range, so let's assume it is correct */
else if ( (unsigned)curr_state_slot < savestate_max_keep)
{
loa_idx = curr_state_slot;
gap_idx = curr_state_slot + 1;
}
else
{
loa_idx = savestate_max_keep;
gap_idx = 0;
}
del_idx = gap_idx;
}
/* Gap was found */
else
{
/* No candidate to delete */
/* Either gap is at the end of the range: wraparound.
or there is no better idea than the lowest index */
if (del_idx == UINT_MAX)
del_idx = 0;
/* Adjust load index */
if (gap_idx == 0)
loa_idx = savestate_max_keep;
else
loa_idx = gap_idx - 1;
}
RARCH_DBG("[State]: Save state scanning finished, used slots (in range): "
"%d (%d), max:%d, load index %d, gap index %d, delete index %d.\n",
cnt, cnt_in_range, max_idx, loa_idx, gap_idx, del_idx);
if (last_index)
*last_index = loa_idx;
if ( s
&& cnt_in_range >= savestate_max_keep)
{
strlcpy(s, savefile_root, savefile_root_length + 1);
/* ".state0" is just ".state" instead, so don't print that. */
if (del_idx > 0)
snprintf(s + savefile_root_length, 5, "%d", del_idx);
}
dir_list_free(dir_list);
}
/**
* Determines next savestate slot in case of auto-increment,
* i.e. save state scanning was done already earlier.
* Logic moved here so that all save state wraparound code is
* in this file.
*
* @param settings The usual RetroArch settings ptr.
* @return \c The next savestate slot.
*/
int command_event_get_next_savestate_auto_index(settings_t *settings)
{
unsigned savestate_max_keep = settings->uints.savestate_max_keep;
int new_state_slot = settings->ints.state_slot + 1;
/* If previous save was above the wraparound range, or it overflows,
return to the start of the range. */
if ( (savestate_max_keep > 0)
&& (unsigned)new_state_slot > savestate_max_keep)
return 0;
return new_state_slot;
}
/**
* Determines most recent savestate slot in case of content load.
*
* @param settings The usual RetroArch settings ptr.
* @return \c The most recent savestate slot.
*/
void command_event_set_savestate_auto_index(settings_t *settings)
{
unsigned max_idx = 0;
bool savestate_auto_index = settings->bools.savestate_auto_index;
if (!savestate_auto_index)
{
/* Reset savestate index to 0 when loading content. */
configuration_set_int(settings, settings->ints.state_slot, 0);
return;
}
scan_states(settings, &max_idx, NULL);
configuration_set_int(settings, settings->ints.state_slot, max_idx);
RARCH_LOG("[State]: %s: #%d.\n",
msg_hash_to_str(MSG_FOUND_LAST_STATE_SLOT),
max_idx);
}
/**
* Deletes the oldest save state and its thumbnail, if needed.
*
* @param settings The usual RetroArch settings ptr.
*/
static void command_event_set_savestate_garbage_collect(settings_t *settings)
{
size_t i;
char state_to_delete[PATH_MAX_LENGTH] = {0};
scan_states(settings, NULL, state_to_delete);
/* Only delete one save state per save action
* > Conservative behaviour, designed to minimise
* the risk of deleting multiple incorrect files
* in case of accident */
if (!string_is_empty(state_to_delete))
{
filestream_delete(state_to_delete);
RARCH_DBG("[State]: Garbage collect, deleting \"%s\".\n",state_to_delete);
/* Construct the save state thumbnail name
* and delete that one as well. */
i = strlen(state_to_delete);
strlcpy(state_to_delete + i,".png",STRLEN_CONST(".png")+1);
filestream_delete(state_to_delete);
RARCH_DBG("[State]: Garbage collect, deleting \"%s\".\n",state_to_delete);
}
}
void command_event_set_replay_auto_index(settings_t *settings)
{
size_t i;
char state_base[128];
char state_dir[DIR_MAX_LENGTH];
struct string_list *dir_list = NULL;
unsigned max_idx = 0;
runloop_state_t *runloop_st = runloop_state_get_ptr();
bool replay_auto_index = settings->bools.replay_auto_index;
bool show_hidden_files = settings->bools.show_hidden_files;
if (!replay_auto_index)
return;
/* Find the file in the same directory as runloop_st->names.replay
* with the largest numeral suffix.
*
* E.g. /foo/path/content.replay will try to find
* /foo/path/content.replay%d, where %d is the largest number available.
*/
fill_pathname_basedir(state_dir, runloop_st->name.replay,
sizeof(state_dir));
if (!(dir_list = dir_list_new_special(state_dir,
DIR_LIST_PLAIN, NULL, show_hidden_files)))
return;
fill_pathname_base(state_base, runloop_st->name.replay,
sizeof(state_base));
for (i = 0; i < dir_list->size; i++)
{
unsigned idx;
char elem_base[128] = {0};
const char *end = NULL;
const char *dir_elem = dir_list->elems[i].data;
size_t _len = fill_pathname_base(elem_base, dir_elem, sizeof(elem_base));
if (strstr(elem_base, state_base) != elem_base)
continue;
end = dir_elem + _len;
while ((end > dir_elem) && ISDIGIT((int)end[-1]))
end--;
idx = (unsigned)strtoul(end, NULL, 0);
if (idx > max_idx)
max_idx = idx;
}
dir_list_free(dir_list);
configuration_set_int(settings, settings->ints.replay_slot, max_idx);
if (max_idx)
RARCH_LOG("[Replay]: %s: #%d\n",
msg_hash_to_str(MSG_FOUND_LAST_REPLAY_SLOT),
max_idx);
}
void command_event_set_replay_garbage_collect(
unsigned max_to_keep,
bool show_hidden_files
)
{
/* TODO: debugme */
size_t i, cnt = 0;
char tmp[DIR_MAX_LENGTH];
runloop_state_t *runloop_st = runloop_state_get_ptr();
struct string_list *dir_list = NULL;
unsigned min_idx = UINT_MAX;
const char *oldest_save = NULL;
/* Similar to command_event_set_replay_auto_index(),
* this will find the lowest numbered replay */
fill_pathname_basedir(tmp, runloop_st->name.replay,
sizeof(tmp));
if (!(dir_list = dir_list_new_special(tmp,
DIR_LIST_PLAIN, NULL, show_hidden_files)))
return;
fill_pathname_base(tmp, runloop_st->name.replay,
sizeof(tmp));
for (i = 0; i < dir_list->size; i++)
{
unsigned idx;
size_t _len;
char elem_base[128];
const char *ext = NULL;
const char *end = NULL;
const char *dir_elem = dir_list->elems[i].data;
if (string_is_empty(dir_elem))
continue;
_len = fill_pathname_base(elem_base, dir_elem, sizeof(elem_base));
/* Only consider files with a '.replayXX' extension
* > i.e. Ignore '.replay.auto', '.replay.bak', etc. */
ext = path_get_extension(elem_base);
if ( string_is_empty(ext)
|| !string_starts_with_size(ext, "replay", STRLEN_CONST("REPLAY")))
continue;
/* Check whether this file is associated with
* the current content */
if (!string_starts_with(elem_base, tmp))
continue;
/* This looks like a valid save */
cnt++;
/* > Get index */
end = dir_elem + _len;
while ((end > dir_elem) && ISDIGIT((int)end[-1]))
end--;
idx = string_to_unsigned(end);
/* > Check if this is the lowest index so far */
if (idx < min_idx)
{
min_idx = idx;
oldest_save = dir_elem;
}
}
/* Only delete one save state per save action
* > Conservative behaviour, designed to minimise
* the risk of deleting multiple incorrect files
* in case of accident */
if (!string_is_empty(oldest_save) && (cnt > max_to_keep))
filestream_delete(oldest_save);
dir_list_free(dir_list);
}
#if defined(HAVE_CG) || defined(HAVE_GLSL) || defined(HAVE_SLANG) || defined(HAVE_HLSL)
bool command_set_shader(command_t *cmd, const char *arg)
{
enum rarch_shader_type type = video_shader_parse_type(arg);
settings_t *settings = config_get_ptr();
if (!string_is_empty(arg))
{
gfx_ctx_flags_t flags;
flags.flags = 0;
video_context_driver_get_flags(&flags);
if (!BIT32_GET(flags.flags, video_shader_type_to_flag(type)))
return false;
/* rebase on shader directory */
if (!path_is_absolute(arg))
{
char abs_arg[PATH_MAX_LENGTH];
const char *ref_path = settings->paths.directory_video_shader;
fill_pathname_join_special(abs_arg, ref_path, arg, sizeof(abs_arg));
return video_shader_apply_shader(settings, type, abs_arg, true);
}
}
return video_shader_apply_shader(settings, type, arg, true);
}
#endif
#ifdef HAVE_CONFIGFILE
bool command_event_save_core_config(
const char *dir_menu_config,
const char *rarch_path_config)
{
char msg[128];
char config_dir[DIR_MAX_LENGTH];
char config_path[PATH_MAX_LENGTH];
char config_name[NAME_MAX_LENGTH];
size_t _len = 0;
bool new_path_available = false;
bool overrides_active = false;
const char *core_path = NULL;
runloop_state_t *runloop_st = runloop_state_get_ptr();
msg[0] = '\0';
if (!string_is_empty(dir_menu_config))
_len = strlcpy(config_dir, dir_menu_config, sizeof(config_dir));
else if (!string_is_empty(rarch_path_config)) /* Fallback */
_len = fill_pathname_basedir(config_dir, rarch_path_config,
sizeof(config_dir));
if (_len == 0)
{
const char *_msg = msg_hash_to_str(MSG_CONFIG_DIRECTORY_NOT_SET);
runloop_msg_queue_push(_msg, strlen(_msg), 1, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
RARCH_ERR("[Config]: %s\n", _msg);
return false;
}
core_path = path_get(RARCH_PATH_CORE);
/* Infer file name based on libretro core. */
if (path_is_valid(core_path))
{
unsigned i;
char tmp[PATH_MAX_LENGTH + 8];
RARCH_LOG("[Config]: %s\n", msg_hash_to_str(MSG_USING_CORE_NAME_FOR_NEW_CONFIG));
fill_pathname(config_name, path_basename(core_path), "",
sizeof(config_name));
fill_pathname_join_special(config_path, config_dir, config_name,
sizeof(config_path));
/* In case of collision, find an alternative name. */
for (i = 0; i < 16; i++)
{
size_t __len = strlcpy(tmp, config_path, sizeof(tmp));
if (i)
__len += snprintf(tmp + __len, sizeof(tmp) - __len, "-%u", i);
strlcpy(tmp + __len, ".cfg", sizeof(tmp) - __len);
if (!path_is_valid(tmp))
{
strlcpy(config_path, tmp, sizeof(config_path));
new_path_available = true;
break;
}
}
}
if (!new_path_available)
{
/* Fallback to system time... */
RARCH_WARN("[Config]: %s\n",
msg_hash_to_str(MSG_CANNOT_INFER_NEW_CONFIG_PATH));
fill_dated_filename(config_name, ".cfg", sizeof(config_name));
fill_pathname_join_special(config_path, config_dir, config_name,
sizeof(config_path));
}
if (runloop_st->flags & RUNLOOP_FLAG_OVERRIDES_ACTIVE)
{
/* Overrides block config file saving,
* make it appear as overrides weren't enabled
* for a manual save. */
runloop_st->flags &= ~RUNLOOP_FLAG_OVERRIDES_ACTIVE;
overrides_active = true;
}
#ifdef HAVE_CONFIGFILE
_len = command_event_save_config(config_path, msg, sizeof(msg));
#endif
if (_len > 0)
runloop_msg_queue_push(msg, _len, 1, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
if (overrides_active)
runloop_st->flags |= RUNLOOP_FLAG_OVERRIDES_ACTIVE;
else
runloop_st->flags &= ~RUNLOOP_FLAG_OVERRIDES_ACTIVE;
return true;
}
void command_event_save_current_config(enum override_type type)
{
runloop_state_t *runloop_st = runloop_state_get_ptr();
switch (type)
{
default:
case OVERRIDE_NONE:
{
size_t _len;
char msg[256];
msg[0] = '\0';
if (path_is_empty(RARCH_PATH_CONFIG))
{
_len = strlcpy(msg, "Config directory not set, cannot save configuration.", sizeof(msg));
runloop_msg_queue_push(msg, _len, 1, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
}
else
{
if (runloop_st->flags & RUNLOOP_FLAG_OVERRIDES_ACTIVE)
_len = strlcpy(msg, msg_hash_to_str(MSG_OVERRIDES_ACTIVE_NOT_SAVING), sizeof(msg));
else
_len = command_event_save_config(path_get(RARCH_PATH_CONFIG), msg, sizeof(msg));
runloop_msg_queue_push(msg, _len, 1, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
}
}
break;
case OVERRIDE_GAME:
case OVERRIDE_CORE:
case OVERRIDE_CONTENT_DIR:
{
size_t _len;
char msg[256];
int8_t ret = config_save_overrides(type, &runloop_st->system, false, NULL);
switch (ret)
{
case 1:
_len = strlcpy(msg,
msg_hash_to_str(MSG_OVERRIDES_SAVED_SUCCESSFULLY), sizeof(msg));
/* set overrides to active so the original config can be
restored after closing content */
runloop_st->flags |= RUNLOOP_FLAG_OVERRIDES_ACTIVE;
break;
case -1:
_len = strlcpy(msg, msg_hash_to_str(MSG_OVERRIDES_NOT_SAVED), sizeof(msg));
break;
default:
case 0:
_len = strlcpy(msg, msg_hash_to_str(MSG_OVERRIDES_ERROR_SAVING), sizeof(msg));
break;
}
RARCH_LOG("[Overrides]: %s\n", msg);
runloop_msg_queue_push(msg, _len, 1, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
#ifdef HAVE_MENU
{
struct menu_state *menu_st = menu_state_get_ptr();
menu_st->flags |= MENU_ST_FLAG_ENTRIES_NEED_REFRESH
| MENU_ST_FLAG_PREVENT_POPULATE;
}
#endif
}
break;
}
}
void command_event_remove_current_config(enum override_type type)
{
runloop_state_t *runloop_st = runloop_state_get_ptr();
switch (type)
{
default:
case OVERRIDE_NONE:
break;
case OVERRIDE_GAME:
case OVERRIDE_CORE:
case OVERRIDE_CONTENT_DIR:
{
size_t _len;
char msg[256];
if (config_save_overrides(type, &runloop_st->system, true, NULL))
_len = strlcpy(msg, msg_hash_to_str(MSG_OVERRIDES_REMOVED_SUCCESSFULLY), sizeof(msg));
else
_len = strlcpy(msg, msg_hash_to_str(MSG_OVERRIDES_ERROR_REMOVING), sizeof(msg));
RARCH_LOG("[Overrides]: %s\n", msg);
runloop_msg_queue_push(msg, _len, 1, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
#ifdef HAVE_MENU
{
struct menu_state *menu_st = menu_state_get_ptr();
menu_st->flags |= MENU_ST_FLAG_ENTRIES_NEED_REFRESH
| MENU_ST_FLAG_PREVENT_POPULATE;
}
#endif
}
break;
}
}
#endif
bool command_event_main_state(unsigned cmd)
{
char msg[128];
char state_path[16384]; /* TODO/FIXME - reduce this */
size_t _len = 0;
settings_t *settings = config_get_ptr();
bool savestates_enabled = core_info_current_supports_savestate();
bool ret = false;
state_path[0] = msg[0] = '\0';
if (savestates_enabled)
{
size_t info_size;
runloop_get_current_savestate_path(state_path,
sizeof(state_path));
info_size = core_serialize_size();
savestates_enabled = (info_size > 0);
}
/* TODO: Load state should act in one of three ways:
- [X] Not during recording or playback: normally
- [-] During playback: If the state is part of this replay, go back to
that state and rewind the replay (not yet implemented); otherwise
halt playback and go to that state normally.
- [-] During recording: If the state is part of this replay, go back to
that state and rewind the replay, clobbering the stuff in between
then and now (not yet implemented); if the state is not part of
the replay, do nothing and log a warning.
*/
if (savestates_enabled)
{
switch (cmd)
{
case CMD_EVENT_SAVE_STATE:
case CMD_EVENT_SAVE_STATE_TO_RAM:
{
/* TODO: Saving state during recording should associate
* the state with the replay. */
video_driver_state_t *video_st =
video_state_get_ptr();
bool savestate_auto_index =
settings->bools.savestate_auto_index;
unsigned savestate_max_keep =
settings->uints.savestate_max_keep;
bool frame_time_counter_reset_after_save_state =
settings->bools.frame_time_counter_reset_after_save_state;
if (cmd == CMD_EVENT_SAVE_STATE)
content_save_state(state_path, true);
else
content_save_state_to_ram();
/* Clean up excess savestates if necessary */
if (savestate_auto_index && (savestate_max_keep > 0))
command_event_set_savestate_garbage_collect(settings);
if (frame_time_counter_reset_after_save_state)
video_st->frame_time_count = 0;
ret = true;
}
break;
case CMD_EVENT_LOAD_STATE:
case CMD_EVENT_LOAD_STATE_FROM_RAM:
{
bool res = false;
if (cmd == CMD_EVENT_LOAD_STATE)
res = content_load_state(state_path, false, false);
else
res = content_load_state_from_ram();
if (res)
{
command_post_state_loaded();
ret = true;
}
}
break;
case CMD_EVENT_UNDO_LOAD_STATE:
{
/* TODO: To support this through re-recording would take some
* care around moving the replay recording forward to the time
* when the undo happened, which would need undo support for
* replays. For now, forbid it during recording and halt
* playback. */
#ifdef HAVE_BSV_MOVIE
input_driver_state_t *input_st = input_state_get_ptr();
if (input_st->bsv_movie_state.flags & BSV_FLAG_MOVIE_RECORDING)
{
RARCH_ERR("[State]: Can't undo load state during movie record.\n");
return false;
}
if (input_st->bsv_movie_state.flags & BSV_FLAG_MOVIE_PLAYBACK)
{
RARCH_LOG("[State]: Undo load state during movie playback, halting playback.\n");
movie_stop(input_st);
}
#endif
_len = command_event_undo_load_state(msg, sizeof(msg));
ret = true;
break;
}
case CMD_EVENT_UNDO_SAVE_STATE:
_len = command_event_undo_save_state(msg, sizeof(msg));
ret = true;
break;
}
}
else
_len = strlcpy(msg, msg_hash_to_str(
MSG_CORE_DOES_NOT_SUPPORT_SAVESTATES), sizeof(msg));
if (_len > 0)
{
runloop_msg_queue_push(msg, _len, 2, 180, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
RARCH_LOG("[State]: %s\n", msg);
}
return ret;
}
bool command_event_disk_control_append_image(
const char *path)
{
runloop_state_t *runloop_st = runloop_state_get_ptr();
rarch_system_info_t *sys_info = runloop_st ? (rarch_system_info_t*)&runloop_st->system : NULL;
if ( !sys_info
|| !disk_control_append_image(&sys_info->disk_control, path))
return false;
#ifdef HAVE_THREADS
if (runloop_st->flags & RUNLOOP_FLAG_USE_SRAM)
autosave_deinit();
#endif
/* TODO/FIXME: Need to figure out what to do with subsystems case. */
if (path_is_empty(RARCH_PATH_SUBSYSTEM))
{
/* Update paths for our new image.
* If we actually use append_image, we assume that we
* started out in a single disk case, and that this way
* of doing it makes the most sense. */
path_set(RARCH_PATH_NAMES, path);
runloop_path_fill_names();
}
command_event(CMD_EVENT_AUTOSAVE_INIT, NULL);
return true;
}
void command_event_reinit(const int flags)
{
settings_t *settings = config_get_ptr();
input_driver_state_t *input_st = input_state_get_ptr();
video_driver_state_t *video_st = video_state_get_ptr();
#ifdef HAVE_MENU
gfx_display_t *p_disp = disp_get_ptr();
struct menu_state *menu_st = menu_state_get_ptr();
bool video_fullscreen = settings->bools.video_fullscreen;
bool adaptive_vsync = settings->bools.video_adaptive_vsync;
unsigned swap_interval_config = settings->uints.video_swap_interval;
#endif
enum input_game_focus_cmd_type
game_focus_cmd = GAME_FOCUS_CMD_REAPPLY;
const input_device_driver_t
*joypad = input_st->primary_joypad;
#ifdef HAVE_MFI
const input_device_driver_t
*sec_joypad = input_st->secondary_joypad;
#else
const input_device_driver_t
*sec_joypad = NULL;
#endif
video_driver_reinit(flags);
/* Poll input to avoid possibly stale data to corrupt things. */
if (joypad && joypad->poll)
joypad->poll();
if (sec_joypad && sec_joypad->poll)
sec_joypad->poll();
if (input_st->current_driver && input_st->current_driver->poll)
input_st->current_driver->poll(input_st->current_data);
command_event(CMD_EVENT_GAME_FOCUS_TOGGLE, &game_focus_cmd);
#ifdef HAVE_MENU
p_disp->flags |= GFX_DISP_FLAG_FB_DIRTY;
if (video_fullscreen)
{
if ( video_st->poke
&& video_st->poke->show_mouse)
video_st->poke->show_mouse(video_st->data, false);
}
if ( (menu_st->flags & MENU_ST_FLAG_ALIVE)
&& video_st->current_video->set_nonblock_state)
video_st->current_video->set_nonblock_state(
video_st->data, false,
video_driver_test_all_flags(GFX_CTX_FLAGS_ADAPTIVE_VSYNC) &&
adaptive_vsync,
runloop_get_video_swap_interval(swap_interval_config));
#endif
}
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