zapret/tpws/params.c
2024-08-23 21:15:27 +03:00

141 lines
2.8 KiB
C

#include "params.h"
#include <stdarg.h>
#include <syslog.h>
#include <errno.h>
int DLOG_FILE(FILE *F, const char *format, va_list args)
{
return vfprintf(F, format, args);
}
int DLOG_CON(const char *format, int syslog_priority, va_list args)
{
return DLOG_FILE(syslog_priority==LOG_ERR ? stderr : stdout, format, args);
}
int DLOG_FILENAME(const char *filename, const char *format, va_list args)
{
int r;
FILE *F = fopen(filename,"at");
if (F)
{
r = DLOG_FILE(F, format, args);
fclose(F);
}
else
r=-1;
return r;
}
static char syslog_buf[1024];
static size_t syslog_buf_sz=0;
static void syslog_buffered(int priority, const char *format, va_list args)
{
if (vsnprintf(syslog_buf+syslog_buf_sz,sizeof(syslog_buf)-syslog_buf_sz,format,args)>0)
{
syslog_buf_sz=strlen(syslog_buf);
// log when buffer is full or buffer ends with \n
if (syslog_buf_sz>=(sizeof(syslog_buf)-1) || (syslog_buf_sz && syslog_buf[syslog_buf_sz-1]=='\n'))
{
syslog(priority,"%s",syslog_buf);
syslog_buf_sz = 0;
}
}
}
static int DLOG_VA(const char *format, int syslog_priority, bool condup, int level, va_list args)
{
int r=0;
va_list args2;
if (condup && !(params.debug>=level && params.debug_target==LOG_TARGET_CONSOLE))
{
va_copy(args2,args);
DLOG_CON(format,syslog_priority,args2);
}
if (params.debug>=level)
{
switch(params.debug_target)
{
case LOG_TARGET_CONSOLE:
r = DLOG_CON(format,syslog_priority,args);
break;
case LOG_TARGET_FILE:
r = DLOG_FILENAME(params.debug_logfile,format,args);
break;
case LOG_TARGET_SYSLOG:
// skip newlines
syslog_buffered(syslog_priority,format,args);
r = 1;
break;
default:
break;
}
}
return r;
}
int DLOG(const char *format, int level, ...)
{
int r;
va_list args;
va_start(args, level);
r = DLOG_VA(format, LOG_DEBUG, false, level, args);
va_end(args);
return r;
}
int DLOG_CONDUP(const char *format, ...)
{
int r;
va_list args;
va_start(args, format);
r = DLOG_VA(format, LOG_DEBUG, true, 1, args);
va_end(args);
return r;
}
int DLOG_ERR(const char *format, ...)
{
int r;
va_list args;
va_start(args, format);
r = DLOG_VA(format, LOG_ERR, true, 1, args);
va_end(args);
return r;
}
int DLOG_PERROR(const char *s)
{
return DLOG_ERR("%s: %s\n", s, strerror(errno));
}
int LOG_APPEND(const char *filename, const char *format, va_list args)
{
int r;
FILE *F = fopen(filename,"at");
if (F)
{
fprint_localtime(F);
fprintf(F, " : ");
r = vfprintf(F, format, args);
fprintf(F, "\n");
fclose(F);
}
else
r=-1;
return r;
}
int HOSTLIST_DEBUGLOG_APPEND(const char *format, ...)
{
if (*params.hostlist_auto_debuglog)
{
int r;
va_list args;
va_start(args, format);
r = LOG_APPEND(params.hostlist_auto_debuglog, format, args);
va_end(args);
return r;
}
else
return 0;
}