/usr/include/tarantool/tnt_log.h is in libtarantool-dev 1.5.1.218.g1a69fd6-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | #ifndef TNT_LOG_H_INCLUDED
#define TNT_LOG_H_INCLUDED
/*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* <COPYRIGHT HOLDER> OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#define TNT_LOG_MAGIC_XLOG "XLOG\n"
#define TNT_LOG_MAGIC_SNAP "SNAP\n"
#define TNT_LOG_VERSION "0.11\n"
enum tnt_log_error {
TNT_LOG_EOK,
TNT_LOG_EFAIL,
TNT_LOG_EMEMORY,
TNT_LOG_ETYPE,
TNT_LOG_EVERSION,
TNT_LOG_ECORRUPT,
TNT_LOG_ESYSTEM,
TNT_LOG_LAST
};
struct tnt_log_header_v11 {
uint32_t crc32_hdr;
uint64_t lsn;
double tm;
uint32_t len;
uint32_t crc32_data;
} __attribute__((packed));
struct tnt_log_row_v11 {
uint16_t tag;
uint64_t cookie;
uint16_t op;
} __attribute__((packed));
struct tnt_log_row_snap_v11 {
uint16_t tag;
uint64_t cookie;
uint32_t space;
uint32_t tuple_size;
uint32_t data_size;
} __attribute__((packed));
enum tnt_log_type {
TNT_LOG_NONE,
TNT_LOG_XLOG,
TNT_LOG_SNAPSHOT
};
union tnt_log_value {
struct tnt_request r;
struct tnt_tuple t;
};
struct tnt_log_row {
struct tnt_log_header_v11 hdr;
struct tnt_log_row_v11 row;
struct tnt_log_row_snap_v11 row_snap;
union tnt_log_value *value;
};
struct tnt_log {
enum tnt_log_type type;
FILE *fd;
off_t current_offset;
off_t offset;
int (*read)(struct tnt_log *l, char **buf, uint32_t *size);
int (*process)(struct tnt_log *l, char *buf, uint32_t size,
union tnt_log_value *value);
struct tnt_log_row current;
union tnt_log_value current_value;
enum tnt_log_error error;
int errno_;
};
extern const uint32_t tnt_log_marker_v11;
extern const uint32_t tnt_log_marker_eof_v11;
enum tnt_log_type tnt_log_guess(char *file);
enum tnt_log_error
tnt_log_open(struct tnt_log *l, char *file, enum tnt_log_type type);
int tnt_log_seek(struct tnt_log *l, off_t offset);
void tnt_log_close(struct tnt_log *l);
struct tnt_log_row *tnt_log_next(struct tnt_log *l);
struct tnt_log_row *tnt_log_next_to(struct tnt_log *l, union tnt_log_value *value);
enum tnt_log_error tnt_log_error(struct tnt_log *l);
char *tnt_log_strerror(struct tnt_log *l);
int tnt_log_errno(struct tnt_log *l);
#endif /* TNT_LOG_H_INCLUDED */
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