src/lib-index/mail-index-transaction-private.h

	mail-index-transaction-private.h revision ae8817f05005f57bba32479a610b52d083e2b6eb
#ifndef __MAIL_INDEX_TRANSACTION_PRIVATE_H
#define __MAIL_INDEX_TRANSACTION_PRIVATE_H

#include "seq-range-array.h"
#include "mail-transaction-log.h"

struct mail_index_transaction_keyword_update {
    ARRAY_TYPE(seq_range) add_seq;
    ARRAY_TYPE(seq_range) remove_seq;
};

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;

    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;

    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_rec_updates, ARRAY_TYPE(seq_array));
    ARRAY_DEFINE(ext_resizes, struct mail_transaction_ext_intro);
    ARRAY_DEFINE(ext_resets, uint32_t);

    ARRAY_DEFINE(keyword_updates,
             struct mail_index_transaction_keyword_update);
    ARRAY_TYPE(seq_range) keyword_resets;

        struct mail_cache_transaction_ctx *cache_trans_ctx;

    /* Module-specific contexts. */
    ARRAY_DEFINE(module_contexts,
             union mail_index_transaction_module_context *);

    /* this transaction was created for index_sync_view view */
    unsigned int sync_transaction:1;
    unsigned int hide_transaction:1;
    unsigned int no_appends:1;
    unsigned int external:1;

    unsigned int appends_nonsorted:1;
    unsigned int pre_hdr_changed:1;
    unsigned int post_hdr_changed:1;
    unsigned int reset:1;
    unsigned int log_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);

bool mail_index_seq_array_lookup(const ARRAY_TYPE(seq_array) *array,
                 uint32_t seq, unsigned int *idx_r);

#endif