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TLogging.h
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TLogging.h
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 _THRIFT_TLOGGING_H_
#define _THRIFT_TLOGGING_H_ 1
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/**
* Contains utility macros for debugging and logging.
*
*/
#ifndef HAVE_CLOCK_GETTIME
#include <time.h>
#else
#include <sys/time.h>
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
/**
* T_GLOBAL_DEBUGGING_LEVEL = 0: all debugging turned off, debug macros undefined
* T_GLOBAL_DEBUGGING_LEVEL = 1: all debugging turned on
*/
#define T_GLOBAL_DEBUGGING_LEVEL 0
/**
* T_GLOBAL_LOGGING_LEVEL = 0: all logging turned off, logging macros undefined
* T_GLOBAL_LOGGING_LEVEL = 1: all logging turned on
*/
#define T_GLOBAL_LOGGING_LEVEL 1
/**
* Standard wrapper around fprintf what will prefix the file name and line
* number to the line. Uses T_GLOBAL_DEBUGGING_LEVEL to control whether it is
* turned on or off.
*
* @param format_string
*/
#if T_GLOBAL_DEBUGGING_LEVEL > 0
#define T_DEBUG(format_string,...) \
if (T_GLOBAL_DEBUGGING_LEVEL > 0) { \
fprintf(stderr,"[%s,%d] " format_string " \n", __FILE__, __LINE__,##__VA_ARGS__); \
}
#else
#define T_DEBUG(format_string,...)
#endif
/**
* analagous to T_DEBUG but also prints the time
*
* @param string format_string input: printf style format string
*/
#if T_GLOBAL_DEBUGGING_LEVEL > 0
#define T_DEBUG_T(format_string,...) \
{ \
if (T_GLOBAL_DEBUGGING_LEVEL > 0) { \
time_t now; \
char dbgtime[26] ; \
time(&now); \
ctime_r(&now, dbgtime); \
dbgtime[24] = '\0'; \
fprintf(stderr,"[%s,%d] [%s] " format_string " \n", __FILE__, __LINE__,dbgtime,##__VA_ARGS__); \
} \
}
#else
#define T_DEBUG_T(format_string,...)
#endif
/**
* analagous to T_DEBUG but uses input level to determine whether or not the string
* should be logged.
*
* @param int level: specified debug level
* @param string format_string input: format string
*/
#define T_DEBUG_L(level, format_string,...) \
if ((level) > 0) { \
fprintf(stderr,"[%s,%d] " format_string " \n", __FILE__, __LINE__,##__VA_ARGS__); \
}
/**
* Explicit error logging. Prints time, file name and line number
*
* @param string format_string input: printf style format string
*/
#define T_ERROR(format_string,...) \
{ \
time_t now; \
char dbgtime[26] ; \
time(&now); \
ctime_r(&now, dbgtime); \
dbgtime[24] = '\0'; \
fprintf(stderr,"[%s,%d] [%s] ERROR: " format_string " \n", __FILE__, __LINE__,dbgtime,##__VA_ARGS__); \
}
/**
* Analagous to T_ERROR, additionally aborting the process.
* WARNING: macro calls abort(), ending program execution
*
* @param string format_string input: printf style format string
*/
#define T_ERROR_ABORT(format_string,...) \
{ \
time_t now; \
char dbgtime[26] ; \
time(&now); \
ctime_r(&now, dbgtime); \
dbgtime[24] = '\0'; \
fprintf(stderr,"[%s,%d] [%s] ERROR: Going to abort " format_string " \n", __FILE__, __LINE__,dbgtime,##__VA_ARGS__); \
exit(1); \
}
/**
* Log input message
*
* @param string format_string input: printf style format string
*/
#if T_GLOBAL_LOGGING_LEVEL > 0
#define T_LOG_OPER(format_string,...) \
{ \
if (T_GLOBAL_LOGGING_LEVEL > 0) { \
time_t now; \
char dbgtime[26] ; \
time(&now); \
ctime_r(&now, dbgtime); \
dbgtime[24] = '\0'; \
fprintf(stderr,"[%s] " format_string " \n", dbgtime,##__VA_ARGS__); \
} \
}
#else
#define T_LOG_OPER(format_string,...)
#endif
/**
* T_GLOBAL_DEBUG_VIRTUAL = 0 or unset: normal operation,
* virtual call debug messages disabled
* T_GLOBAL_DEBUG_VIRTUAL = 1: log a debug messages whenever an
* avoidable virtual call is made
* T_GLOBAL_DEBUG_VIRTUAL = 2: record detailed info that can be
* printed by calling
* apache::thrift::profile_print_info()
*/
#if T_GLOBAL_DEBUG_VIRTUAL > 1
#define T_VIRTUAL_CALL() \
::apache::thrift::profile_virtual_call(typeid(*this))
#define T_GENERIC_PROTOCOL(template_class, generic_prot, specific_prot) \
do { \
if (!(specific_prot)) { \
::apache::thrift::profile_generic_protocol( \
typeid(*template_class), typeid(*generic_prot)); \
} \
} while (0)
#elif T_GLOBAL_DEBUG_VIRTUAL == 1
#define T_VIRTUAL_CALL() \
fprintf(stderr,"[%s,%d] virtual call\n", __FILE__, __LINE__)
#define T_GENERIC_PROTOCOL(template_class, generic_prot, specific_prot) \
do { \
if (!(specific_prot)) { \
fprintf(stderr, \
"[%s,%d] failed to cast to specific protocol type\n", \
__FILE__, __LINE__); \
} \
} while (0)
#else
#define T_VIRTUAL_CALL()
#define T_GENERIC_PROTOCOL(template_class, generic_prot, specific_prot)
#endif
#endif // #ifndef _THRIFT_TLOGGING_H_