-/* $Id$ */
-void defrag_databases (void);
+/*
+ * Copyright (c) 1987-2012 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef DATABASE_H
+#define DATABASE_H
+
+
void open_databases (void);
void close_databases (void);
-int cdb_store (int cdb, void *key, int keylen, void *data, int datalen);
+int cdb_store (int cdb, const void *key, int keylen, void *data, int datalen);
int cdb_delete (int cdb, void *key, int keylen);
-struct cdbdata *cdb_fetch (int cdb, void *key, int keylen);
+struct cdbdata *cdb_fetch (int cdb, const void *key, int keylen);
void cdb_free (struct cdbdata *cdb);
void cdb_rewind (int cdb);
struct cdbdata *cdb_next_item (int cdb);
+void cdb_close_cursor(int cdb);
void cdb_begin_transaction(void);
void cdb_end_transaction(void);
void cdb_allocate_tsd(void);
void cdb_free_tsd(void);
-void cdb_release_handles(void);
+void cdb_check_handles(void);
+void cdb_trunc(int cdb);
+void *checkpoint_thread(void *arg);
+void cdb_chmod_data(void);
+void cdb_checkpoint(void);
+void check_handles(void *arg);
+void cdb_cull_logs(void);
+
+
+/*
+ * Database records beginning with this magic number are assumed to
+ * be compressed. In the event that a database record actually begins with
+ * this magic number, we *must* compress it whether we want to or not,
+ * because the fetch function will try to uncompress it anyway.
+ *
+ * (No need to #ifdef this stuff; it compiles ok even if zlib is not present
+ * and doesn't declare anything so it won't bloat the code)
+ */
+#define COMPRESS_MAGIC 0xc0ffeeee
+
+struct CtdlCompressHeader {
+ int magic;
+ size_t uncompressed_len;
+ size_t compressed_len;
+};
+
+typedef enum __eCheckType {
+ eCheckExist,
+ eCheckUpdate,
+ eUpdate,
+ eWrite
+}eCheckType;
+
+time_t CheckIfAlreadySeen(const char *Facility,
+ StrBuf *guid,
+ time_t now,
+ time_t antiexpire,
+ eCheckType cType,
+ long ccid,
+ long ioid);
+
+
+#endif /* DATABASE_H */