/**
* netplay_impl_magic:
*
* Not really a hash, but should be enough to differentiate
* implementations from each other.
*
* Subtle differences in the implementation will not be possible to spot.
* The alternative would have been checking serialization sizes, but it
* was troublesome for cross platform compat.
**/
uint32_t netplay_impl_magic(void)
{
size_t i, len;
retro_ctx_api_info_t api_info;
unsigned api;
uint32_t res = 0;
rarch_system_info_t *info = NULL;
const char *lib = NULL;
const char *ver = PACKAGE_VERSION;
core_api_version(&api_info);
api = api_info.version;
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &info);
res |= api;
if (info)
{
lib = info->info.library_name;
len = strlen(lib);
for (i = 0; i < len; i++)
res ^= lib[i] << (i & 0xf);
lib = info->info.library_version;
len = strlen(lib);
for (i = 0; i < len; i++)
res ^= lib[i] << (i & 0xf);
}
len = strlen(ver);
for (i = 0; i < len; i++)
res ^= ver[i] << ((i & 0xf) + 16);
res ^= NETPLAY_PROTOCOL_VERSION << 24;
return res;
}
static int httpserver_handle_basic_info(struct mg_connection* conn, void* cbdata)
{
static const char *libretro_btn_desc[] = {
"B (bottom)", "Y (left)", "Select", "Start",
"D-Pad Up", "D-Pad Down", "D-Pad Left", "D-Pad Right",
"A (right)", "X (up)",
"L", "R", "L2", "R2", "L3", "R3",
};
unsigned p, q, r;
retro_ctx_api_info_t api;
retro_ctx_region_info_t region;
retro_ctx_memory_info_t sram;
retro_ctx_memory_info_t rtc;
retro_ctx_memory_info_t sysram;
retro_ctx_memory_info_t vram;
char core_path[PATH_MAX_LENGTH] = {0};
const char* pixel_format = NULL;
const struct retro_subsystem_info* subsys = NULL;
const struct retro_subsystem_rom_info* rom = NULL;
const struct retro_subsystem_memory_info* mem = NULL;
const struct retro_controller_description* ctrl = NULL;
const char* comma = NULL;
const struct core_option* opts = NULL;
const struct retro_system_av_info* av_info = NULL;
const core_option_manager_t* core_opts = NULL;
const struct mg_request_info * req = mg_get_request_info(conn);
const settings_t * settings = config_get_ptr();
rarch_system_info_t *system = runloop_get_system_info();
if (string_is_empty(system->info.library_name))
return httpserver_error(conn, 500, "Core not initialized in %s", __FUNCTION__);
if (!core_is_game_loaded())
return httpserver_error(conn, 500, "Game not loaded in %s", __FUNCTION__);
json_string_encode(core_path, sizeof(core_path), config_get_active_core_path());
core_api_version(&api);
core_get_region(®ion);
switch (video_driver_get_pixel_format())
{
case RETRO_PIXEL_FORMAT_0RGB1555:
pixel_format = "RETRO_PIXEL_FORMAT_0RGB1555";
break;
case RETRO_PIXEL_FORMAT_XRGB8888:
pixel_format = "RETRO_PIXEL_FORMAT_XRGB8888";
break;
case RETRO_PIXEL_FORMAT_RGB565:
pixel_format = "RETRO_PIXEL_FORMAT_RGB565";
break;
default:
pixel_format = "?";
break;
}
sram.id = RETRO_MEMORY_SAVE_RAM;
core_get_memory(&sram);
rtc.id = RETRO_MEMORY_RTC;
core_get_memory(&rtc);
sysram.id = RETRO_MEMORY_SYSTEM_RAM;
core_get_memory(&sysram);
vram.id = RETRO_MEMORY_VIDEO_RAM;
core_get_memory(&vram);
mg_printf(conn,
"HTTP/1.1 200 OK\r\nContent-Type: application/json\r\n\r\n"
"{"
"\"corePath\":\"%s\","
"\"apiVersion\":%u,"
"\"systemInfo\":"
"{"
"\"libraryName\":\"%s\","
"\"libraryVersion\":\"%s\","
"\"validExtensions\":\"%s\","
"\"needsFullpath\":%s,"
"\"blockExtract\":%s"
"},"
"\"region\":\"%s\","
"\"pixelFormat\":\"%s\","
"\"rotation\":%u,"
"\"performaceLevel\":%u,"
"\"supportsNoGame\":%s,"
#ifdef HAVE_CHEEVOS
"\"frontendSupportsAchievements\":true,"
"\"coreSupportsAchievements\":%s,"
#else
"\"frontendSupportsAchievements\":false,"
"\"coreSupportsAchievements\":null,"
#endif
"\"saveRam\":{\"pointer\":\"%" PRIXPTR "\",\"size\":" STRING_REP_UINT64 "},"
"\"rtcRam\":{\"pointer\":\"%" PRIXPTR "\",\"size\":" STRING_REP_UINT64 "},"
"\"systemRam\":{\"pointer\":\"%" PRIXPTR "\",\"size\":" STRING_REP_UINT64 "},"
"\"videoRam\":{\"pointer\":\"%" PRIXPTR "\",\"size\":" STRING_REP_UINT64 "},",
core_path,
api.version,
system->info.library_name,
system->info.library_version,
system->info.valid_extensions,
system->info.need_fullpath ? "true" : "false",
system->info.block_extract ? "true" : "false",
region.region ? "RETRO_REGION_PAL" : "RETRO_REGION_NTSC",
pixel_format,
system->rotation,
system->performance_level,
content_does_not_need_content() ? "true" : "false",
#ifdef HAVE_CHEEVOS
cheevos_get_support_cheevos() ? "true" : "false",
#endif
(uintptr_t)sram.data, sram.size,
(uintptr_t)rtc.data, rtc.size,
(uintptr_t)sysram.data, sysram.size,
(uintptr_t)vram.data, vram.size
);
mg_printf(conn, "\"subSystems\":[");
subsys = system->subsystem.data;
for (p = 0; p < system->subsystem.size; p++, subsys++)
{
mg_printf(conn, "%s{\"id\":%u,\"description\":\"%s\",\"identifier\":\"%s\",\"roms\":[", p == 0 ? "" : ",", subsys->id, subsys->desc, subsys->ident);
rom = subsys->roms;
for (q = 0; q < subsys->num_roms; q++, rom++)
{
mg_printf(conn,
"%s{"
"\"description\":\"%s\","
"\"extensions\":\"%s\","
"\"needsFullpath\":%s,"
"\"blockExtract\":%s,"
"\"required\":%s,"
"\"memory\":[",
q == 0 ? "" : ",",
rom->desc,
rom->valid_extensions,
rom->need_fullpath ? "true" : "false",
rom->block_extract ? "true" : "false",
rom->required ? "true" : "false"
);
mem = rom->memory;
comma = "";
for (r = 0; r < rom->num_memory; r++, mem++)
{
mg_printf(conn, "%s{\"extension\":\"%s\",\"type\":%u}", comma, mem->extension, mem->type);
comma = ",";
}
mg_printf(conn, "]}");
}
mg_printf(conn, "]}");
}
av_info = video_viewport_get_system_av_info();
mg_printf(conn,
"],\"avInfo\":{"
"\"geometry\":{"
"\"baseWidth\":%u,"
"\"baseHeight\":%u,"
"\"maxWidth\":%u,"
"\"maxHeight\":%u,"
"\"aspectRatio\":%f"
"},"
"\"timing\":{"
"\"fps\":%f,"
"\"sampleRate\":%f"
"}"
"},",
av_info->geometry.base_width,
av_info->geometry.base_height,
av_info->geometry.max_width,
av_info->geometry.max_height,
av_info->geometry.aspect_ratio,
av_info->timing.fps,
av_info->timing.sample_rate
);
mg_printf(conn, "\"ports\":[");
comma = "";
for (p = 0; p < system->ports.size; p++)
{
ctrl = system->ports.data[p].types;
for (q = 0; q < system->ports.data[p].num_types; q++, ctrl++)
{
mg_printf(conn, "%s{\"id\":%u,\"description\":\"%s\"}", comma, ctrl->id, ctrl->desc);
comma = ",";
}
}
mg_printf(conn, "],\"inputDescriptors\":[");
comma = "";
if (core_has_set_input_descriptor())
{
for (p = 0; p < settings->input.max_users; p++)
{
for (q = 0; q < RARCH_FIRST_CUSTOM_BIND; q++)
{
const char* description = system->input_desc_btn[p][q];
if (description)
{
mg_printf(conn,
"%s{\"player\":%u,\"button\":\"%s\",\"description\":\"%s\"}",
comma,
p + 1,
libretro_btn_desc[q],
description
);
comma = ",";
}
}
}
}
mg_printf(conn, "],\"coreOptions\":[");
rarch_ctl(RARCH_CTL_CORE_OPTIONS_LIST_GET, (void*)&core_opts);
opts = core_opts->opts;
for (p = 0; p < core_opts->size; p++, opts++)
{
mg_printf(conn, "%s{\"key\":\"%s\",\"description\":\"%s\",\"values\":[", p == 0 ? "" : ",", opts->key, opts->desc);
comma = "";
for (q = 0; q < opts->vals->size; q++)
{
mg_printf(conn, "%s\"%s\"", comma, opts->vals->elems[q].data);
comma = ",";
}
mg_printf(conn, "]}");
}
mg_printf(conn, "]}");
return 1;
}
