/* seen.h -- abstract interface for /Recent and /Seen information * $Id: seen.h,v 1.14 2003/10/22 18:50:08 rjs3 Exp $ * Copyright (c) 1998-2003 Carnegie Mellon University. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The name "Carnegie Mellon University" must not be used to * endorse or promote products derived from this software without * prior written permission. For permission or any other legal * details, please contact * Office of Technology Transfer * Carnegie Mellon University * 5000 Forbes Avenue * Pittsburgh, PA 15213-3890 * (412) 268-4387, fax: (412) 268-7395 * tech-transfer@andrew.cmu.edu * * 4. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by Computing Services * at Carnegie Mellon University (http://www.cmu.edu/computing/)." * * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * */ #ifndef SEEN_H #define SEEN_H struct seen; #define SEEN_CREATE 0x01 /* get a database handle corresponding to (mailbox, user) pair */ int seen_open(struct mailbox *mailbox, const char *user, int flags, struct seen **seendbptr); /* read an entry from 'seendb' */ int seen_read(struct seen *seendb, time_t *lastreadptr, unsigned int *lastuidptr, time_t *lastchangeptr, char **seenuidsptr); /* read an entry from 'seendb' and leave that record (or some superset of it) locked for update */ int seen_lockread(struct seen *seendb, time_t *lastreadptr, unsigned int *lastuidptr, time_t *lastchangeptr, char **seenuidsptr); /* write an entry to 'seendb'; should have been already locked by seen_lockread() */ int seen_write(struct seen *seendb, time_t lastread, unsigned int lastuid, time_t lastchange, char *seenuids); /* close this handle */ int seen_close(struct seen *seendb); /* discard lock on handle */ int seen_unlock(struct seen *seendb); /* called on mailbox operations */ int seen_create_mailbox(struct mailbox *mailbox); int seen_delete_mailbox(struct mailbox *mailbox); int seen_copy(struct mailbox *oldmailbox,struct mailbox *newmailbox); /* called on user operations */ int seen_create_user(const char *user); int seen_delete_user(const char *user); int seen_rename_user(const char *olduser, const char *newuser); int seen_reconstruct(struct mailbox *mailbox, time_t report_time, time_t prune_time, int (*report_proc)(), void *report_rock); /* done with all seen operations for this process */ int seen_done(void); /* Return a path to the seen database for the given user (or NULL if we are * using bigdb) */ char *seen_getpath(const char *userid); /* Merge tmpfile into tgtfile */ int seen_merge(const char *tmpfile, const char *tgtfile); #endif /* SEEN_LOCAL_H */