Files
miniroute/src/log.c
2026-06-05 15:13:39 +02:00

62 lines
1.6 KiB
C

#include <log.h>
// UNIX socket for CONOUT (Console Output) - sends log datagrams to a listener on /tmp/miniroute-log.sock
static int log_socket_fd = -1;
static struct sockaddr_un log_dest;
void Log_Init() {
log_socket_fd = socket(AF_UNIX, SOCK_DGRAM, 0);
if (log_socket_fd < 0) {
perror("Log_Init: socket");
return;
}
memset(&log_dest, 0, sizeof(log_dest));
log_dest.sun_family = AF_UNIX;
strncpy(log_dest.sun_path, "/tmp/miniroute-log.sock", sizeof(log_dest.sun_path) - 1);
}
void Log_Cleanup() {
if (log_socket_fd >= 0) {
close(log_socket_fd);
log_socket_fd = -1;
}
}
static void log_emit(FILE* stream, const char* level, const char* fmt, va_list ap) {
// Get UNIX millis
struct timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
unsigned long timestamp = ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
char msg[1024];
vsnprintf(msg, sizeof(msg), fmt, ap);
char buf[1024];
int len = snprintf(buf, sizeof(buf), "[%lu] [%s] %s\n", timestamp, level, msg);
fputs(buf, stream);
if (log_socket_fd >= 0)
sendto(log_socket_fd, buf, len, 0, (struct sockaddr*)&log_dest, sizeof(log_dest));
}
void Log_Info(const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
log_emit(stdout, "INFO", fmt, ap);
va_end(ap);
}
void Log_Warn(const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
log_emit(stdout, "WARN", fmt, ap);
va_end(ap);
}
void Log_Err(const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
log_emit(stderr, "ERROR", fmt, ap);
va_end(ap);
}