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path: root/src/vpp-api/vom/logger.cpp
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/*
 * Copyright (c) 2017 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <chrono>
#include <ctime>
#include <vector>

#include <boost/algorithm/string.hpp>

#include "vom/logger.hpp"

namespace VOM {
const log_level_t log_level_t::CRITICAL(0, "critical");
const log_level_t log_level_t::ERROR(0, "error");
const log_level_t log_level_t::WARNING(0, "warning");
const log_level_t log_level_t::INFO(0, "info");
const log_level_t log_level_t::DEBUG(0, "debug");

log_level_t::log_level_t(int v, const std::string& s)
  : enum_base<log_level_t>(v, s)
{
}

static log_t slog;

log_t&
logger()
{
  return slog;
}

log_t::log_t()
  : m_level(log_level_t::ERROR)
  , m_o_stream(&std::cout)
{
}

void
log_t::set(const log_level_t& level)
{
  m_level = level;
}

void
log_t::set(const std::string& ofile)
{
  m_file_stream.open(ofile);
  m_o_stream = &m_file_stream;
}

std::ostream&
log_t::stream(const char* file, int line)
{
  auto end = std::chrono::system_clock::now();
  auto end_time = std::chrono::system_clock::to_time_t(end);

  /*
 * put-time is not support in gcc in 4.8
 * so we play this dance with ctime
 */
  std::string display = std::ctime(&end_time);
  display.pop_back();

  std::vector<std::string> dirs;
  boost::split(dirs, file, boost::is_any_of("/"));

  *m_o_stream << std::endl
              << display << "]"
              << " " << dirs.back() << ":" << line << ": ";

  return (*m_o_stream);
}

/**
 * The configured level
 */
const log_level_t&
log_t::level() const
{
  return (m_level);
}
}

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "mozilla")
 * End:
 */