bindings/cpp/log.cpp

   1 /*
   2  * 2008+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <elliptics/cppdef.h>
  17
  18 using namespace ioremap::elliptics;
  19
  20 void logger::real_logger(void *priv, const int level, const char *msg)
  21 {
  22         logger *log = reinterpret_cast<logger *> (priv);
  23
  24         log->log(level, msg);
  25 }
  26
  27 log_file::log_file(const char *file, const int level) :
  28         logger(level)
  29 {
  30         try {
  31                 this->file = new std::string(file);
  32         } catch (...) {
  33                 throw -ENOMEM;
  34         }
  35
  36         try {
  37                 stream = new std::ofstream(file, std::ios_base::app);
  38         } catch (...) {
  39                 delete this->file;
  40                 throw -errno;
  41         }
  42 }
  43
  44 unsigned long log_file::clone(void)
  45 {
  46         return reinterpret_cast<unsigned long>(new log_file (file->c_str(), get_log_level()));
  47 }
  48
  49 log_file::~log_file(void)
  50 {
  51         delete file;
  52         delete stream;
  53 }
  54
  55 void log_file::log(int level, const char *msg)
  56 {
  57         if (level <= ll.log_level) {
  58                 char str[64];
  59                 struct tm tm;
  60                 struct timeval tv;
  61                 char usecs_and_id[64];
  62
  63                 gettimeofday(&tv, NULL);
  64                 localtime_r((time_t *)&tv.tv_sec, &tm);
  65                 strftime(str, sizeof(str), "%F %R:%S", &tm);
  66
  67                 snprintf(usecs_and_id, sizeof(usecs_and_id), ".%06lu %ld/%d : ", tv.tv_usec, dnet_get_id(), getpid());
  68
  69                 (*stream) << str << usecs_and_id << msg;
  70                 stream->flush();
  71         }
  72 }