Files
OSSP_Mirror/src/discordrpc.c
2026-02-03 04:35:40 +10:00

238 lines
8.4 KiB
C

/*
* OpenSubSonicPlayer
* Goldenkrew3000 2025
* License: GNU General Public License 3.0
* Discord Local RPC Handler
*/
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "external/discord-rpc/include/discord_rpc.h"
#include "libopensubsonic/logger.h"
#include "configHandler.h"
#include "discordrpc.h"
#if defined(__APPLE__) && defined(__MACH__)
#include <sys/sysctl.h>
#endif // defined(__APPLE__) && defined(__MACH__)
extern configHandler_config_t* configObj;
const char* discordrpc_appid = "1407025303779278980";
char* discordrpc_osString = NULL;
static int rc = 0;
void discordrpc_struct_init(discordrpc_data** discordrpc_struct) {
(*discordrpc_struct) = malloc(sizeof(discordrpc_data));
(*discordrpc_struct)->state = 0;
(*discordrpc_struct)->songLength = 0;
(*discordrpc_struct)->songTitle = NULL;
(*discordrpc_struct)->songArtist = NULL;
(*discordrpc_struct)->coverArtUrl = NULL;
}
void discordrpc_struct_deinit(discordrpc_data** discordrpc_struct) {
if ((*discordrpc_struct)->songTitle != NULL) { free((*discordrpc_struct)->songTitle); }
if ((*discordrpc_struct)->songArtist != NULL) { free((*discordrpc_struct)->songArtist); }
if ((*discordrpc_struct)->coverArtUrl != NULL) { free((*discordrpc_struct)->coverArtUrl); }
if (*discordrpc_struct != NULL) { free(*discordrpc_struct); }
}
static void handleDiscordReady(const DiscordUser* connectedUser)
{
printf("\nDiscord: connected to user %s#%s - %s\n",
connectedUser->username,
connectedUser->discriminator,
connectedUser->userId);
}
static void handleDiscordDisconnected(int errcode, const char* message)
{
printf("\nDiscord: disconnected (%d: %s)\n", errcode, message);
}
static void handleDiscordError(int errcode, const char* message)
{
printf("\nDiscord: error (%d: %s)\n", errcode, message);
}
int discordrpc_init() {
printf("[DiscordRPC] Initializing.\n");
DiscordEventHandlers handlers;
memset(&handlers, 0, sizeof(handlers));
handlers.ready = handleDiscordReady;
handlers.disconnected = handleDiscordDisconnected;
handlers.errored = handleDiscordError;
Discord_Initialize(discordrpc_appid, &handlers, 1, NULL);
// Fetch OS String for RPC (Heap-allocated)
discordrpc_osString = discordrpc_getOS();
if (discordrpc_osString == NULL) {
logger_log_error(__func__, "asprintf() or strdup() failed.");
return 1;
}
return 0;
}
void discordrpc_update(discordrpc_data** discordrpc_struct) {
printf("[DiscordRPC] Updating...\n");
DiscordRichPresence presence;
char* detailsString = NULL;
char* stateString = NULL;
memset(&presence, 0, sizeof(presence));
if ((*discordrpc_struct)->state == DISCORDRPC_STATE_IDLE) {
asprintf(&detailsString, "Idle");
presence.details = detailsString;
} else if ((*discordrpc_struct)->state == DISCORDRPC_STATE_PLAYING_SONG) {
// Playing a song
time_t currentTime = time(NULL);
asprintf(&detailsString, "%s", (*discordrpc_struct)->songTitle);
asprintf(&stateString, "by %s", (*discordrpc_struct)->songArtist);
presence.details = detailsString;
presence.state = stateString;
presence.largeImageKey = (*discordrpc_struct)->coverArtUrl;
presence.startTimestamp = (long)currentTime;
presence.endTimestamp = (long)currentTime + (*discordrpc_struct)->songLength;
if (configObj->discordrpc_showSysDetails) {
presence.largeImageText = discordrpc_osString;
}
} else if ((*discordrpc_struct)->state == DISCORDRPC_STATE_PLAYING_RADIO) {
// Playing an internet radio station
time_t currentTime = time(NULL);
asprintf(&detailsString, "%s", (*discordrpc_struct)->songTitle);
asprintf(&stateString, "Internet radio station");
presence.details = detailsString;
presence.state = stateString;
presence.largeImageKey = (*discordrpc_struct)->coverArtUrl;
presence.startTimestamp = (long)currentTime;
if (configObj->discordrpc_showSysDetails) {
presence.largeImageText = discordrpc_osString;
}
} else if ((*discordrpc_struct)->state == DISCORDRPC_STATE_PAUSED) {
}
presence.activity_type = DISCORD_ACTIVITY_TYPE_LISTENING;
Discord_UpdatePresence(&presence);
free(detailsString);
if (stateString != NULL) { free(stateString); }
}
char* discordrpc_getOS() {
#if defined(__linux__)
// NOTE: Could have made a sysctl function, but this is literally only done here, not worth it
FILE* fp_ostype = fopen("/proc/sys/kernel/ostype", "r");
char buf_ostype[16];
if (!fp_ostype) {
logger_log_error(__func__, "Could not perform kernel.ostype sysctl.");
return NULL;
}
FILE* fp_osrelease = fopen("/proc/sys/kernel/osrelease", "r");
char buf_osrelease[32];
if (!fp_osrelease) {
logger_log_error(__func__, "Could not perform kernel.osrelease sysctl.");
return NULL;
}
FILE* fp_osarch = fopen("/proc/sys/kernel/arch", "r");
char buf_osarch[16];
if (!fp_osarch) {
logger_log_error(__func__, "Could not perform kernel.arch sysctl.");
return NULL;
}
if (fgets(buf_ostype, sizeof(buf_ostype), fp_ostype) == NULL) {
logger_log_error(__func__, "Could not perform kernel.ostype sysctl.");
fclose(fp_ostype);
fclose(fp_osrelease);
fclose(fp_osarch);
return NULL;
}
if (fgets(buf_osrelease, sizeof(buf_osrelease), fp_osrelease) == NULL) {
logger_log_error(__func__, "Could not perform kernel.osrelease sysctl.");
fclose(fp_ostype);
fclose(fp_osrelease);
fclose(fp_osarch);
return NULL;
}
if (fgets(buf_osarch, sizeof(buf_osarch), fp_osarch) == NULL) {
logger_log_error(__func__, "Could not perform kernel.arch sysctl.");
fclose(fp_ostype);
fclose(fp_osrelease);
fclose(fp_osarch);
return NULL;
}
fclose(fp_ostype);
fclose(fp_osrelease);
fclose(fp_osarch);
// HACK: Since Linux removed the sysctl interface, I have to manually remove newlines from the /proc contents
buf_ostype[strcspn(buf_ostype, "\n")] = '\0';
buf_osrelease[strcspn(buf_osrelease, "\n")] = '\0';
buf_osarch[strcspn(buf_osarch, "\n")] = '\0';
char* osString = NULL;
rc = asprintf(&osString, "on %s %s %s", buf_ostype, buf_osarch, buf_osrelease);
if (rc == -1) {
logger_log_error(__func__, "asprintf() failed.");
return NULL;
}
return osString;
#elif defined(__APPLE__) && defined(__MACH__)
// NOTE: Okay so I _could_ just print 'Darwin' for the OS Type, but on the 0.0001% chance that this is running on
// OpenDarwin / PureDarwin, I am fetching the name using a sysctl
char buf_ostype[16];
size_t sz_ostype = sizeof(buf_ostype);
char buf_osrelease[16];
size_t sz_osrelease = sizeof(buf_osrelease);
int isArm64 = 0;
size_t sz_isArm64 = sizeof(isArm64);
int mib[CTL_MAXNAME];
mib[0] = CTL_KERN;
mib[1] = KERN_OSTYPE;
if (sysctl(mib, 2, buf_ostype, &sz_ostype, NULL, 0) == -1) {
logger_log_error(__func__, "Could not perform kern.ostype sysctl.");
return NULL;
}
mib[1] = KERN_OSRELEASE;
if (sysctl(mib, 2, buf_osrelease, &sz_osrelease, NULL, 0) == -1) {
logger_log_error(__func__, "Could not perform kern.osrelease sysctl.");
return NULL;
}
// hw.optional.arm64 does not seem to have a direct mib0/1 route
size_t mib_len = CTL_MAXNAME;
if (sysctlnametomib("hw.optional.arm64", mib, &mib_len) != 0) {
logger_log_error(__func__, "Could not perform hw.optional.arm64 sysctl.");
return NULL;
}
if (sysctl(mib, mib_len, &isArm64, &sz_isArm64, NULL, 0) != 0) {
logger_log_error(__func__, "Could not perform hw.optional.arm64 sysctl.");
return NULL;
}
char* osString = NULL;
if (isArm64 == 1) {
rc = asprintf(&osString, "on %s XNU aarch64 %s", buf_ostype, buf_osrelease);
} else {
rc = asprintf(&osString, "on %s XNU x86_64 %s", buf_ostype, buf_osrelease);
}
if (rc == -1) {
logger_log_error(__func__, "asprintf() failed.");
return NULL;
}
return osString;
#else
// NOTE: This is not a critical error, just let the user know
logger_log_error(__func__, "Could not fetch OS details.");
return strdup("on Unknown");
#endif
}