/*
* level defines whether it gets displayed to the screen with printf.
* (it always logs).
* 0 = everything, even all the registers
* 1 = prints syscall count
* 2 = Just the reseed values
*
*/
void output(unsigned char level, const char *fmt, ...)
{
va_list args;
int n;
FILE *handle;
pid_t pid;
char outputbuf[BUFSIZE];
char *prefix = NULL;
char main_prefix[]="[main]";
char child_prefix[32];
if (logging == LOGGING_DISABLED && level >= quiet_level)
return;
/* prefix preparation */
pid = getpid();
if (pid == mainpid)
prefix = main_prefix;
else if (prefix == NULL) {
unsigned int childno;
childno = find_childno(pid);
snprintf(child_prefix, sizeof(child_prefix), "[child%u:%u]", childno, pid);
prefix = child_prefix;
shm->children[childno]->logdirty = TRUE;
}
/* formatting output */
va_start(args, fmt);
n = vsnprintf(outputbuf, sizeof(outputbuf), fmt, args);
va_end(args);
if (n < 0) {
outputerr("## Something went wrong in output() [%d]\n", n);
exit(EXIT_FAILURE);
}
/* stdout output if needed */
if (quiet_level >= level) {
printf("%s %s", prefix, outputbuf);
(void)fflush(stdout);
}
/* go on with file logs only if enabled */
if (logging == LOGGING_FILES)
return;
handle = find_logfile_handle();
if (!handle)
return;
strip_ansi(outputbuf);
fprintf(handle, "%s %s", prefix, outputbuf);
(void)fflush(handle);
}
static FILE *robust_find_logfile_handle(void)
{
unsigned int j;
FILE *handle = NULL;
if ((logging == TRUE) && (logfiles_opened)) {
handle = find_logfile_handle();
if (!handle) {
outputerr("## child logfile handle was null logging to main!\n");
(void)fflush(stdout);
for_each_pidslot(j)
shm->logfiles[j] = mainlogfile;
sleep(5);
handle = find_logfile_handle();
}
}
return handle;
}
static void output_rendered_buffer(char *buffer)
{
/* Output to stdout only if -q param is not specified */
if (quiet_level == MAX_LOGLEVEL)
flushbuffer(buffer, stdout);
/* Exit if should not continue at all. */
if (logging == TRUE) {
FILE *log_handle;
log_handle = find_logfile_handle();
if (log_handle != NULL) {
strip_ansi(buffer);
flushbuffer(buffer, log_handle);
}
}
}
// TODO: combine the below with output()
void output_rendered_buffer(char *buffer)
{
FILE *log_handle;
/* Output to stdout only if -q param is not specified */
if (quiet_level == MAX_LOGLEVEL) {
fprintf(stdout, "%s", buffer);
fflush(stdout);
}
/* Exit if should not continue at all. */
if (logging == LOGGING_DISABLED)
return;
log_handle = find_logfile_handle();
if (log_handle != NULL) {
strip_ansi(buffer);
fprintf(log_handle, "%s", buffer);
fflush(log_handle);
}
}
