logging.h

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// Copyright 2012 Cloudera Inc.
//
// 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 IMPALA_COMMON_LOGGING_H
#define IMPALA_COMMON_LOGGING_H

#ifdef IR_COMPILE
#include <iostream>
  #define DCHECK(condition) while(false) std::cout
  #define DCHECK_EQ(a, b) while(false) std::cout
  #define DCHECK_NE(a, b) while(false) std::cout
  #define DCHECK_GT(a, b) while(false) std::cout
  #define DCHECK_LT(a, b) while(false) std::cout
  #define DCHECK_GE(a, b) while(false) std::cout
  #define DCHECK_LE(a, b) while(false) std::cout
  #define DCHECK_NOTNULL(a) while(false) std::cout
  #define LOG(level) while(false) std::cout
  #define VLOG(level) while(false) std::cout
  #define VLOG_IS_ON(level) (false)
#else
  #undef _XOPEN_SOURCE
  #include <glog/logging.h>
  #include <gflags/gflags.h>

  #ifdef NDEBUG
  #undef DCHECK_NOTNULL
  #define DCHECK_NOTNULL(a) while(false)
  #endif
#endif

#define VLOG_CONNECTION VLOG(1)
#define VLOG_RPC        VLOG(2)
#define VLOG_QUERY      VLOG(1)
#define VLOG_FILE       VLOG(2)
#define VLOG_ROW        VLOG(3)
#define VLOG_PROGRESS   VLOG(2)

#define VLOG_CONNECTION_IS_ON VLOG_IS_ON(1)
#define VLOG_RPC_IS_ON VLOG_IS_ON(2)
#define VLOG_QUERY_IS_ON VLOG_IS_ON(1)
#define VLOG_FILE_IS_ON VLOG_IS_ON(2)
#define VLOG_ROW_IS_ON VLOG_IS_ON(3)
#define VLOG_PROGRESS_IS_ON VLOG_IS_ON(2)

#ifndef IR_COMPILE
namespace impala {

void InitGoogleLoggingSafe(const char* arg);

void GetFullLogFilename(google::LogSeverity severity, std::string* filename);

void ShutdownLogging();

void LogCommandLineFlags();

void CheckAndRotateLogFiles(int max_log_files);
}

#endif // IR_COMPILE

#endif