greenplumn s3macros 源码
greenplumn s3macros 代码
文件路径：/gpcontrib/gpcloud/include/s3macros.h
#ifndef __S3_MACROS_H__
#define __S3_MACROS_H__
#include "s3common_headers.h"
#include "s3log.h"
#define PRINTOUT_BUFFER_LEN 1024
#define S3_CHECK_OR_DIE(_condition, _type, _args...) \
do { \
if (!(_condition)) { \
_type _except(_args); \
_except.file = __FILE__; \
_except.line = __LINE__; \
_except.func = __func__; \
S3ERROR("%s", _except.getMessage().c_str()); \
throw _except; \
} \
} while (false)
#define S3_DIE(_type, _args...) S3_CHECK_OR_DIE(false, _type, _args)
// chunk size for compression/decompression
// declare them here so UT tests can access each as well
extern uint64_t S3_ZIP_DECOMPRESS_CHUNKSIZE;
extern uint64_t S3_ZIP_COMPRESS_CHUNKSIZE;
#define S3_ZIP_DEFAULT_CHUNKSIZE (1024 * 1024 * 2)
// For deflate, windowBits can be greater than 15 for optional gzip encoding. Add 16 to windowBits
// to write a simple gzip header and trailer around the compressed data instead of a zlib wrapper.
#define S3_DEFLATE_WINDOWSBITS (MAX_WBITS + 16)
// For inflate, windowBits can be greater than 15 for optional gzip decoding. Add 32 to windowBits
// to enable zlib and gzip decoding with automatic header detection.
#define S3_INFLATE_WINDOWSBITS (MAX_WBITS + 16 + 16)
#endif
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