plugins/virtual/virtual-storage.h

	virtual-storage.h revision dee43975a70bcdb9dc83d34d6a2b177d37bb7194
#ifndef VIRTUAL_STORAGE_H
#define VIRTUAL_STORAGE_H

#include "seq-range-array.h"
#include "index-storage.h"
#include "mailbox-list-private.h"

#define VIRTUAL_STORAGE_NAME "virtual"
#define VIRTUAL_SUBSCRIPTION_FILE_NAME ".virtual-subscriptions"
#define VIRTUAL_CONFIG_FNAME "dovecot-virtual"
#define VIRTUAL_INDEX_PREFIX "dovecot.index"

struct virtual_mail_index_record {
    uint32_t mailbox_id;
    uint32_t real_uid;
};

struct virtual_storage {
    struct mail_storage storage;
    union mailbox_list_module_context list_module_ctx;
};

struct virtual_backend_uidmap {
    uint32_t real_uid;
    /* can be 0 temporarily while syncing before the UID is assigned */
    uint32_t virtual_uid;
};

struct virtual_backend_box {
    uint32_t mailbox_id;
    const char *name;

    struct mail_search_args *search_args;
    struct mail_search_result *search_result;

    struct mailbox *box;
    /* Messages currently included in the virtual mailbox,
       sorted by real_uid */
    ARRAY_DEFINE(uids, struct virtual_backend_uidmap);

    /* temporary mail used while syncing */
    struct mail *sync_mail;
    /* pending removed UIDs */
    ARRAY_TYPE(seq_range) sync_pending_removes;
    unsigned int sync_seen:1;
};

struct virtual_mailbox {
    struct index_mailbox ibox;
    struct virtual_storage *storage;

    const char *path;
    uint32_t virtual_ext_id;

    /* Mailboxes this virtual mailbox consists of, sorted by mailbox_id */
    ARRAY_DEFINE(backend_boxes, struct virtual_backend_box *);

    unsigned int uids_mapped:1;
};

extern struct mail_storage virtual_storage;
extern struct mail_vfuncs virtual_mail_vfuncs;

int virtual_config_read(struct virtual_mailbox *mbox);
void virtual_config_free(struct virtual_mailbox *mbox);

struct virtual_backend_box *
virtual_backend_box_lookup(struct virtual_mailbox *mbox, uint32_t mailbox_id);
struct mailbox_transaction_context *
virtual_transaction_get(struct mailbox_transaction_context *trans,
            struct mailbox *backend_box);

struct mail *
virtual_mail_alloc(struct mailbox_transaction_context *t,
           enum mail_fetch_field wanted_fields,
           struct mailbox_header_lookup_ctx *wanted_headers);

struct mailbox_sync_context *
virtual_storage_sync_init(struct mailbox *box, enum mailbox_sync_flags flags);

void virtual_transaction_class_init(void);
void virtual_transaction_class_deinit(void);

#endif