Mercurial > dovecot > original-hg > dovecot-1.2
diff src/lib-index/mail-transaction-log.h @ 7812:d10cb44ab446 HEAD
Modseqs are no longer calculated from transaction log sequence + offset.
Now they begin from 1 and each "visible" transaction increases it by one.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Wed, 11 Jun 2008 14:35:15 +0300 |
| parents | de08cc81da73 |
| children | 5bedea448cf9 |
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--- a/src/lib-index/mail-transaction-log.h Wed Jun 11 14:28:54 2008 +0300 +++ b/src/lib-index/mail-transaction-log.h Wed Jun 11 14:35:15 2008 +0300 @@ -1,8 +1,11 @@ #ifndef MAIL_TRANSACTION_LOG_H #define MAIL_TRANSACTION_LOG_H +struct mail_index; +struct mail_index_transaction; + #define MAIL_TRANSACTION_LOG_MAJOR_VERSION 1 -#define MAIL_TRANSACTION_LOG_MINOR_VERSION 0 +#define MAIL_TRANSACTION_LOG_MINOR_VERSION 1 #define MAIL_TRANSACTION_LOG_HEADER_MIN_SIZE 24 struct mail_transaction_log_header { @@ -15,6 +18,7 @@ uint32_t prev_file_seq; uint32_t prev_file_offset; uint32_t create_stamp; + uint64_t initial_modseq; }; enum mail_transaction_type { @@ -165,9 +169,11 @@ int mail_transaction_log_view_next(struct mail_transaction_log_view *view, const struct mail_transaction_header **hdr_r, const void **data_r); -/* Seek to given position within view. Must be inside the view's range. */ -void mail_transaction_log_view_seek(struct mail_transaction_log_view *view, - uint32_t seq, uoff_t offset); +/* Mark the current view's position to the record returned previously with + _log_view_next(). */ +void mail_transaction_log_view_mark(struct mail_transaction_log_view *view); +/* Seek to previously marked position. */ +void mail_transaction_log_view_rewind(struct mail_transaction_log_view *view); /* Returns the position of the record returned previously with mail_transaction_log_view_next() */ @@ -175,6 +181,9 @@ mail_transaction_log_view_get_prev_pos(struct mail_transaction_log_view *view, uint32_t *file_seq_r, uoff_t *file_offset_r); +/* Return the modseq of the change returned previously with _view_next(). */ +uint64_t +mail_transaction_log_view_get_prev_modseq(struct mail_transaction_log_view *view); /* Returns TRUE if we're at the end of the view window. */ bool mail_transaction_log_view_is_last(struct mail_transaction_log_view *view);