1 files changed, 120 insertions, 0 deletions
diff --git a/src/lib-index/mail-index-view-private.h b/src/lib-index/mail-index-view-private.h
new file mode 100644
index 0000000..6e8b091
--- /dev/null
+++ b/src/lib-index/mail-index-view-private.h
@@ -0,0 +1,120 @@
+#ifndef MAIL_INDEX_VIEW_PRIVATE_H
+#define MAIL_INDEX_VIEW_PRIVATE_H
+
+#include "mail-index-private.h"
+
+struct mail_index_view_log_sync_area {
+	uint32_t log_file_seq;
+	unsigned int length;
+	uoff_t log_file_offset;
+};
+ARRAY_DEFINE_TYPE(view_log_sync_area, struct mail_index_view_log_sync_area);
+
+struct mail_index_view_vfuncs {
+	void (*close)(struct mail_index_view *view);
+	uint32_t (*get_messages_count)(struct mail_index_view *view);
+	const struct mail_index_header *
+		(*get_header)(struct mail_index_view *view);
+	const struct mail_index_record *
+		(*lookup_full)(struct mail_index_view *view, uint32_t seq,
+			       struct mail_index_map **map_r, bool *expunged_r);
+	void (*lookup_uid)(struct mail_index_view *view, uint32_t seq,
+			   uint32_t *uid_r);
+	void (*lookup_seq_range)(struct mail_index_view *view,
+				 uint32_t first_uid, uint32_t last_uid,
+				 uint32_t *first_seq_r, uint32_t *last_seq_r);
+	void (*lookup_first)(struct mail_index_view *view,
+			     enum mail_flags flags, uint8_t flags_mask,
+			     uint32_t *seq_r);
+	void (*lookup_keywords)(struct mail_index_view *view, uint32_t seq,
+				ARRAY_TYPE(keyword_indexes) *keyword_idx);
+	void (*lookup_ext_full)(struct mail_index_view *view, uint32_t seq,
+				uint32_t ext_id, struct mail_index_map **map_r,
+				const void **data_r, bool *expunged_r);
+	void (*get_header_ext)(struct mail_index_view *view,
+			       struct mail_index_map *map, uint32_t ext_id,
+			       const void **data_r, size_t *data_size_r);
+	bool (*ext_get_reset_id)(struct mail_index_view *view,
+				 struct mail_index_map *map,
+				 uint32_t ext_id, uint32_t *reset_id_r);
+};
+
+union mail_index_view_module_context {
+	struct mail_index_module_register *reg;
+};
+
+struct mail_index_view {
+	struct mail_index_view *prev, *next;
+	int refcount;
+
+	struct mail_index_view_vfuncs v;
+	struct mail_index *index;
+        struct mail_transaction_log_view *log_view;
+
+	/* Source location where the mail_index_view_open() call was done.
+	   This helps debugging especially if a view is leaked. */
+	const char *source_filename;
+	unsigned int source_linenum;
+
+	/* Set the view inconsistent if this doesn't match mail_index.indexid */
+	uint32_t indexid;
+	/* Set the view inconsistent if this doesn't match
+	   mail_index.inconsistency_id. */
+	unsigned int inconsistency_id;
+	uint64_t highest_modseq;
+
+	struct mail_index_map *map;
+	/* All mappings where we have returned records. They need to be kept
+	   valid until view is synchronized. */
+	ARRAY(struct mail_index_map *) map_refs;
+
+	/* expunge <= head. The expunge seq/offset points to the log file
+	   how far expunges have been synced. The head seq/offset points to
+	   how far non-expunges have been synced. They're usually the same,
+	   unless MAIL_INDEX_VIEW_SYNC_FLAG_NOEXPUNGES has been used. */
+	uint32_t log_file_expunge_seq, log_file_head_seq;
+	uoff_t log_file_expunge_offset, log_file_head_offset;
+
+	/* Transaction log areas which are returned as
+	   mail_index_view_sync_rec.hidden=TRUE. Used to implement
+	   MAIL_INDEX_TRANSACTION_FLAG_HIDE. */
+	ARRAY_TYPE(view_log_sync_area) syncs_hidden;
+
+	/* Module-specific contexts. */
+	ARRAY(union mail_index_view_module_context *) module_contexts;
+
+	/* Linked list of all transactions opened for the view. */
+	struct mail_index_transaction *transactions_list;
+
+	/* View is currently inconsistent. It can't be synced. */
+	bool inconsistent:1;
+	/* this view is being synced */
+	bool syncing:1;
+};
+
+struct mail_index_view *
+mail_index_view_open_with_map(struct mail_index *index,
+			      struct mail_index_map *map);
+void mail_index_view_clone(struct mail_index_view *dest,
+			   const struct mail_index_view *src,
+			   const char *source_filename,
+			   unsigned int source_linenum);
+#define mail_index_view_clone(dest, src) \
+	mail_index_view_clone(dest, src, __FILE__, __LINE__)
+
+struct mail_index_view *
+mail_index_view_dup_private(const struct mail_index_view *src,
+			    const char *source_filename,
+			    unsigned int source_linenum);
+#define mail_index_view_dup_private(src) \
+	mail_index_view_dup_private(src, __FILE__, __LINE__)
+void mail_index_view_ref(struct mail_index_view *view);
+void mail_index_view_unref_maps(struct mail_index_view *view);
+void mail_index_view_add_hidden_transaction(struct mail_index_view *view,
+					    uint32_t log_file_seq,
+					    uoff_t log_file_offset,
+					    unsigned int length);
+
+struct mail_index_view *mail_index_dummy_view_open(struct mail_index *index);
+
+#endif