sagelog.c

// Copyright 2011 Google Inc. All Rights Reserved.
// Author: qianzhang@google.com (ken Zhang)

#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "sagelog.h"

int sagelog_enabled = 1;
int console_enabled = 1;
int trace_level = 3;
char log_filename[128] = "/tmp/SageEncoder.log";

void _enable_native_log(void)
{
  sagelog_enabled = 1;
}

void _disable_native_log(void)
{
  sagelog_enabled = 0;
}

void _set_native_log(int level)
{
  if (level == 0) {
    sagelog_enabled = 0;
    printf("sagelog is disabled.");
  } else {
    sagelog_enabled = 1;
    trace_level = level;
    printf("sagelog is enabled, \"%s\"\n", log_filename);
  }
}

void _sagelog(int type, int level, const char *cstr, ...)
{
  time_t ct;
  struct tm ltm;
  va_list args;
  char szInfo[1024 * 3];
  va_list va;
  FILE *fp;

  if (!sagelog_enabled)
    return;
  if (type == _LOG_TRACE && level > trace_level)
    return;

  fp = fopen(log_filename, "a");
  if (fp == NULL)
    return;
  time(&ct);
  localtime_r(&ct, &ltm);

  va_start(va, cstr);

  snprintf(szInfo, sizeof(szInfo) - 3, TEXT("%02d/%02d/%d %02d:%02d:%02d "),
           ltm.tm_mon + 1, ltm.tm_mday, ltm.tm_year + 1900, ltm.tm_hour,
           ltm.tm_min, ltm.tm_sec);

  vsnprintf(szInfo + lstrlen(szInfo), (int)sizeof(szInfo) - lstrlen(szInfo) - 3,
            cstr, va);
  lstrcat(szInfo, TEXT("\r\n"));
  fwrite((char *)szInfo, 1, lstrlen(szInfo), fp);

  if (console_enabled)
    printf("%s", szInfo);

  va_end(args);
  fclose(fp);
}

void _flog_setup(char *filename, int enable)
{
  if (filename != NULL && filename[0])
    strncpy(log_filename, filename, sizeof(log_filename));

  sagelog_enabled = enable;
}

char *_get_flog_path(void)
{
  return log_filename;
}

int _get_flog_state(void)
{
  return sagelog_enabled;
}

int _flog_check(void)
{
  FILE *fp = fopen("NATIVE_LOG.ENABLE", "r");
  if (fp != NULL) {
    sagelog_enabled = 1;
    fclose(fp);
    return 1;
  }
  return 0;
}