diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/access/xlog_internal.h | 154 |
1 files changed, 96 insertions, 58 deletions
diff --git a/src/include/access/xlog_internal.h b/src/include/access/xlog_internal.h index 3524c396dc0..44291b337b0 100644 --- a/src/include/access/xlog_internal.h +++ b/src/include/access/xlog_internal.h @@ -159,74 +159,112 @@ typedef XLogLongPageHeaderData *XLogLongPageHeader; #define XLOG_FNAME_LEN 24 /* - * Generate a WAL segment file name. Do not use this macro in a helper + * Generate a WAL segment file name. Do not use this function in a helper * function allocating the result generated. */ -#define XLogFileName(fname, tli, logSegNo, wal_segsz_bytes) \ - snprintf(fname, MAXFNAMELEN, "%08X%08X%08X", tli, \ - (uint32) ((logSegNo) / XLogSegmentsPerXLogId(wal_segsz_bytes)), \ - (uint32) ((logSegNo) % XLogSegmentsPerXLogId(wal_segsz_bytes))) +static inline void +XLogFileName(char *fname, TimeLineID tli, XLogSegNo logSegNo, int wal_segsz_bytes) +{ + snprintf(fname, MAXFNAMELEN, "%08X%08X%08X", tli, + (uint32) (logSegNo / XLogSegmentsPerXLogId(wal_segsz_bytes)), + (uint32) (logSegNo % XLogSegmentsPerXLogId(wal_segsz_bytes))); +} -#define XLogFileNameById(fname, tli, log, seg) \ - snprintf(fname, MAXFNAMELEN, "%08X%08X%08X", tli, log, seg) +static inline void +XLogFileNameById(char *fname, TimeLineID tli, uint32 log, uint32 seg) +{ + snprintf(fname, MAXFNAMELEN, "%08X%08X%08X", tli, log, seg); +} -#define IsXLogFileName(fname) \ - (strlen(fname) == XLOG_FNAME_LEN && \ - strspn(fname, "0123456789ABCDEF") == XLOG_FNAME_LEN) +static inline bool +IsXLogFileName(const char *fname) +{ + return (strlen(fname) == XLOG_FNAME_LEN && \ + strspn(fname, "0123456789ABCDEF") == XLOG_FNAME_LEN); +} /* * XLOG segment with .partial suffix. Used by pg_receivewal and at end of * archive recovery, when we want to archive a WAL segment but it might not * be complete yet. */ -#define IsPartialXLogFileName(fname) \ - (strlen(fname) == XLOG_FNAME_LEN + strlen(".partial") && \ - strspn(fname, "0123456789ABCDEF") == XLOG_FNAME_LEN && \ - strcmp((fname) + XLOG_FNAME_LEN, ".partial") == 0) - -#define XLogFromFileName(fname, tli, logSegNo, wal_segsz_bytes) \ - do { \ - uint32 log; \ - uint32 seg; \ - sscanf(fname, "%08X%08X%08X", tli, &log, &seg); \ - *logSegNo = (uint64) log * XLogSegmentsPerXLogId(wal_segsz_bytes) + seg; \ - } while (0) - -#define XLogFilePath(path, tli, logSegNo, wal_segsz_bytes) \ - snprintf(path, MAXPGPATH, XLOGDIR "/%08X%08X%08X", tli, \ - (uint32) ((logSegNo) / XLogSegmentsPerXLogId(wal_segsz_bytes)), \ - (uint32) ((logSegNo) % XLogSegmentsPerXLogId(wal_segsz_bytes))) - -#define TLHistoryFileName(fname, tli) \ - snprintf(fname, MAXFNAMELEN, "%08X.history", tli) - -#define IsTLHistoryFileName(fname) \ - (strlen(fname) == 8 + strlen(".history") && \ - strspn(fname, "0123456789ABCDEF") == 8 && \ - strcmp((fname) + 8, ".history") == 0) - -#define TLHistoryFilePath(path, tli) \ - snprintf(path, MAXPGPATH, XLOGDIR "/%08X.history", tli) - -#define StatusFilePath(path, xlog, suffix) \ - snprintf(path, MAXPGPATH, XLOGDIR "/archive_status/%s%s", xlog, suffix) - -#define BackupHistoryFileName(fname, tli, logSegNo, startpoint, wal_segsz_bytes) \ - snprintf(fname, MAXFNAMELEN, "%08X%08X%08X.%08X.backup", tli, \ - (uint32) ((logSegNo) / XLogSegmentsPerXLogId(wal_segsz_bytes)), \ - (uint32) ((logSegNo) % XLogSegmentsPerXLogId(wal_segsz_bytes)), \ - (uint32) (XLogSegmentOffset(startpoint, wal_segsz_bytes))) - -#define IsBackupHistoryFileName(fname) \ - (strlen(fname) > XLOG_FNAME_LEN && \ - strspn(fname, "0123456789ABCDEF") == XLOG_FNAME_LEN && \ - strcmp((fname) + strlen(fname) - strlen(".backup"), ".backup") == 0) - -#define BackupHistoryFilePath(path, tli, logSegNo, startpoint, wal_segsz_bytes) \ - snprintf(path, MAXPGPATH, XLOGDIR "/%08X%08X%08X.%08X.backup", tli, \ - (uint32) ((logSegNo) / XLogSegmentsPerXLogId(wal_segsz_bytes)), \ - (uint32) ((logSegNo) % XLogSegmentsPerXLogId(wal_segsz_bytes)), \ - (uint32) (XLogSegmentOffset((startpoint), wal_segsz_bytes))) +static inline bool +IsPartialXLogFileName(const char *fname) +{ + return (strlen(fname) == XLOG_FNAME_LEN + strlen(".partial") && + strspn(fname, "0123456789ABCDEF") == XLOG_FNAME_LEN && + strcmp(fname + XLOG_FNAME_LEN, ".partial") == 0); +} + +static inline void +XLogFromFileName(const char *fname, TimeLineID *tli, XLogSegNo *logSegNo, int wal_segsz_bytes) +{ + uint32 log; + uint32 seg; + + sscanf(fname, "%08X%08X%08X", tli, &log, &seg); + *logSegNo = (uint64) log * XLogSegmentsPerXLogId(wal_segsz_bytes) + seg; +} + +static inline void +XLogFilePath(char *path, TimeLineID tli, XLogSegNo logSegNo, int wal_segsz_bytes) +{ + snprintf(path, MAXPGPATH, XLOGDIR "/%08X%08X%08X", tli, + (uint32) (logSegNo / XLogSegmentsPerXLogId(wal_segsz_bytes)), + (uint32) (logSegNo % XLogSegmentsPerXLogId(wal_segsz_bytes))); +} + +static inline void +TLHistoryFileName(char *fname, TimeLineID tli) +{ + snprintf(fname, MAXFNAMELEN, "%08X.history", tli); +} + +static inline bool +IsTLHistoryFileName(const char *fname) +{ + return (strlen(fname) == 8 + strlen(".history") && + strspn(fname, "0123456789ABCDEF") == 8 && + strcmp(fname + 8, ".history") == 0); +} + +static inline void +TLHistoryFilePath(char *path, TimeLineID tli) +{ + snprintf(path, MAXPGPATH, XLOGDIR "/%08X.history", tli); +} + +static inline void +StatusFilePath(char *path, const char *xlog, const char *suffix) +{ + snprintf(path, MAXPGPATH, XLOGDIR "/archive_status/%s%s", xlog, suffix); +} + +static inline void +BackupHistoryFileName(char *fname, TimeLineID tli, XLogSegNo logSegNo, XLogRecPtr startpoint, int wal_segsz_bytes) +{ + snprintf(fname, MAXFNAMELEN, "%08X%08X%08X.%08X.backup", tli, + (uint32) (logSegNo / XLogSegmentsPerXLogId(wal_segsz_bytes)), + (uint32) (logSegNo % XLogSegmentsPerXLogId(wal_segsz_bytes)), + (uint32) (XLogSegmentOffset(startpoint, wal_segsz_bytes))); +} + +static inline bool +IsBackupHistoryFileName(const char *fname) +{ + return (strlen(fname) > XLOG_FNAME_LEN && + strspn(fname, "0123456789ABCDEF") == XLOG_FNAME_LEN && + strcmp(fname + strlen(fname) - strlen(".backup"), ".backup") == 0); +} + +static inline void +BackupHistoryFilePath(char *path, TimeLineID tli, XLogSegNo logSegNo, XLogRecPtr startpoint, int wal_segsz_bytes) +{ + snprintf(path, MAXPGPATH, XLOGDIR "/%08X%08X%08X.%08X.backup", tli, + (uint32) (logSegNo / XLogSegmentsPerXLogId(wal_segsz_bytes)), + (uint32) (logSegNo % XLogSegmentsPerXLogId(wal_segsz_bytes)), + (uint32) (XLogSegmentOffset((startpoint), wal_segsz_bytes))); +} /* * Information logged when we detect a change in one of the parameters |