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- /* Copyright (c) 2001 Matej Pfajfar.
- * Copyright (c) 2001-2004, Roger Dingledine.
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2019, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- #ifndef DESC_STORE_ST_H
- #define DESC_STORE_ST_H
- /** Allowable types of desc_store_t. */
- typedef enum store_type_t {
- ROUTER_STORE = 0,
- EXTRAINFO_STORE = 1
- } store_type_t;
- /** A 'store' is a set of descriptors saved on disk, with accompanying
- * journal, mmaped as needed, rebuilt as needed. */
- struct desc_store_t {
- /** Filename (within DataDir) for the store. We append .tmp to this
- * filename for a temporary file when rebuilding the store, and .new to this
- * filename for the journal. */
- const char *fname_base;
- /** Human-readable description of what this store contains. */
- const char *description;
- tor_mmap_t *mmap; /**< A mmap for the main file in the store. */
- store_type_t type; /**< What's stored in this store? */
- /** The size of the router log, in bytes. */
- size_t journal_len;
- /** The size of the router store, in bytes. */
- size_t store_len;
- /** Total bytes dropped since last rebuild: this is space currently
- * used in the cache and the journal that could be freed by a rebuild. */
- size_t bytes_dropped;
- };
- #endif
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