mail-index-transaction-private.h revision 1aa80711dcef7f193038b1f3ff65f331b43a4beb
#ifndef MAIL_INDEX_TRANSACTION_PRIVATE_H
#define MAIL_INDEX_TRANSACTION_PRIVATE_H
#include "seq-range-array.h"
#include "mail-transaction-log.h"
ARRAY_DEFINE_TYPE(seq_array_array, ARRAY_TYPE(seq_array));
struct mail_index_transaction_keyword_update {
ARRAY_TYPE(seq_range) add_seq;
ARRAY_TYPE(seq_range) remove_seq;
};
struct mail_index_transaction_ext_hdr_update {
size_t alloc_size;
/* mask is in bytes, not bits */
unsigned char *mask;
unsigned char *data;
};
struct mail_index_transaction_vfuncs {
int (*commit)(struct mail_index_transaction *t,
uint32_t *log_file_seq_r, uoff_t *log_file_offset_r);
void (*rollback)(struct mail_index_transaction *t);
};
union mail_index_transaction_module_context {
struct mail_index_module_register *reg;
};
struct mail_index_transaction {
int refcount;
enum mail_index_transaction_flags flags;
struct mail_index_transaction_vfuncs v;
struct mail_index_view *view;
/* NOTE: If you add anything new, remember to update
mail_index_transaction_reset() to reset it. */
ARRAY_DEFINE(appends, struct mail_index_record);
uint32_t first_new_seq, last_new_seq;
uint32_t highest_append_uid;
/* lowest/highest sequence that updates flags/keywords */
uint32_t min_flagupdate_seq, max_flagupdate_seq;
ARRAY_TYPE(seq_range) expunges;
ARRAY_DEFINE(updates, struct mail_transaction_flag_update);
size_t last_update_idx;
unsigned char pre_hdr_change[sizeof(struct mail_index_header)];
unsigned char pre_hdr_mask[sizeof(struct mail_index_header)];
unsigned char post_hdr_change[sizeof(struct mail_index_header)];
unsigned char post_hdr_mask[sizeof(struct mail_index_header)];
ARRAY_DEFINE(ext_hdr_updates,
struct mail_index_transaction_ext_hdr_update);
ARRAY_TYPE(seq_array_array) ext_rec_updates;
ARRAY_TYPE(seq_array_array) ext_rec_atomics;
ARRAY_DEFINE(ext_resizes, struct mail_transaction_ext_intro);
ARRAY_DEFINE(ext_resets, struct mail_transaction_ext_reset);
ARRAY_DEFINE(ext_reset_ids, uint32_t);
ARRAY_DEFINE(ext_reset_atomic, uint32_t);
ARRAY_DEFINE(keyword_updates,
struct mail_index_transaction_keyword_update);
ARRAY_TYPE(seq_range) keyword_resets;
uint64_t max_modseq;
ARRAY_TYPE(seq_range) *conflict_seqs;
struct mail_cache_transaction_ctx *cache_trans_ctx;
/* Module-specific contexts. */
ARRAY_DEFINE(module_contexts,
union mail_index_transaction_module_context *);
unsigned int no_appends:1;
unsigned int appends_nonsorted:1;
unsigned int pre_hdr_changed:1;
unsigned int post_hdr_changed:1;
unsigned int reset:1;
/* non-extension updates. flag updates don't change this because
they may be added and removed, so be sure to check that the updates
array is non-empty also. */
unsigned int log_updates:1;
/* extension updates */
unsigned int log_ext_updates:1;
};
extern void (*hook_mail_index_transaction_created)
(struct mail_index_transaction *t);
struct mail_index_record *
mail_index_transaction_lookup(struct mail_index_transaction *t, uint32_t seq);
void mail_index_transaction_ref(struct mail_index_transaction *t);
void mail_index_transaction_unref(struct mail_index_transaction **t);
void mail_index_transaction_sort_appends(struct mail_index_transaction *t);
uint32_t mail_index_transaction_get_next_uid(struct mail_index_transaction *t);
void mail_index_transaction_convert_to_uids(struct mail_index_transaction *t);
void mail_index_transaction_check_conflicts(struct mail_index_transaction *t);
unsigned int
mail_index_transaction_get_flag_update_pos(struct mail_index_transaction *t,
unsigned int left_idx,
unsigned int right_idx,
uint32_t seq);
bool mail_index_seq_array_lookup(const ARRAY_TYPE(seq_array) *array,
uint32_t seq, unsigned int *idx_r);
#endif