vlog.h

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// Copyright 2010-2022 Google LLC
// 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.
 
#ifndef OR_TOOLS_BASE_VLOG_H_
#define OR_TOOLS_BASE_VLOG_H_
 
#include <errno.h>
#include <string.h>
#include <time.h>
 
#include <cassert>
#include <cstddef>
#include <iosfwd>
#include <ostream>
#include <sstream>
#include <string>
#if defined(__GNUC__) && defined(__linux__)
#include <unistd.h>
#endif
#include <vector>
 
#include "absl/flags/flag.h"
#include "absl/log/check.h"
#include "ortools/base/integral_types.h"
#include "ortools/base/vlog_is_on.h"
 
// Log only in verbose mode.
 
#define VLOG(verboselevel) LOG_IF(INFO, VLOG_IS_ON(verboselevel))
 
#define VLOG_EVERY_N(verboselevel, n) \
  LOG_IF_EVERY_N(INFO, VLOG_IS_ON(verboselevel), n)
 
#if defined(DEBUG_MODE)
#define DVLOG(verboselevel) VLOG(verboselevel)
#else  // !defined(DEBUG_MODE)
#define DVLOG(verboselevel) LOG_IF(INFO, false)
#endif  // !defined(DEBUG_MODE)
 
#endif  // OR_TOOLS_BASE_VLOG_H_