greenplumn s3log 源码
greenplumn s3log 代码
文件路径：/gpcontrib/gpcloud/include/s3log.h
#ifndef __S3_LOG_H__
#define __S3_LOG_H__
#include "s3common_headers.h"
#include "s3conf.h"
#include "s3exception.h"
// log level
enum LOGLEVEL { EXT_FATAL, EXT_ERROR, EXT_WARNING, EXT_INFO, EXT_DEBUG };
// log type
enum LOGTYPE {
REMOTE_LOG, // log to remote UDP server
LOCAL_LOG, // log to local Unix domain socket
INTERNAL_LOG, // use PostgreSQL's elog()
STDERR_LOG // use STDERR
};
void LogMessage(LOGLEVEL level, const char* fmt, ...) __attribute__((format(printf, 2, 3)));
LOGTYPE getLogType(const char* v);
LOGLEVEL getLogLevel(const char* v);
#define PRINTFUNCTION(i, format, ...) LogMessage(i, format, __VA_ARGS__)
#define LOG_FMT "[%s]#%d#(%" PRIX64 ")%s:%d "
#define LOG_ARGS(LOGLEVELSTR) LOGLEVELSTR, s3ext_segid, (uint64_t) pthread_self(), __FILE__, __LINE__
#define NEWLINE "\n"
#define S3DEBUG(message, args...) \
if (EXT_DEBUG <= s3ext_loglevel) \
PRINTFUNCTION(EXT_DEBUG, LOG_FMT message NEWLINE, LOG_ARGS("D"), ##args)
#define S3INFO(message, args...) \
if (EXT_INFO <= s3ext_loglevel) \
PRINTFUNCTION(EXT_INFO, LOG_FMT message NEWLINE, LOG_ARGS("I"), ##args)
#define S3WARN(message, args...) \
if (EXT_WARNING <= s3ext_loglevel) \
PRINTFUNCTION(EXT_WARNING, LOG_FMT message NEWLINE, LOG_ARGS("W"), ##args)
#define S3ERROR(message, args...) \
if (EXT_ERROR <= s3ext_loglevel) \
PRINTFUNCTION(EXT_ERROR, LOG_FMT message NEWLINE, LOG_ARGS("E"), ##args)
void InitRemoteLog();
#endif // __S3_LOG_H__
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