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append.h
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/* append.h -- Description of messages to be copied
*
* Copyright (c) 1994-2008 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 legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@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.
*
* $Id: append.h,v 1.34 2010/01/06 17:01:30 murch Exp $
*/
#ifndef INCLUDED_APPEND_H
#define INCLUDED_APPEND_H
#include "mailbox.h"
#include "message.h"
#include "prot.h"
struct copymsg {
unsigned long uid;
time_t internaldate;
time_t sentdate;
unsigned long size;
unsigned long header_size;
unsigned long content_lines;
unsigned long cache_version;
const char *cache_begin;
int cache_len; /* 0 if need to copy & parse message */
int seen;
struct message_guid guid;
bit32 system_flags;
char *flag[MAX_USER_FLAGS+1];
};
/* it's ridiculous i have to expose this structure if i want to allow
clients to stack-allocate it */
struct appendstate {
/* mailbox we're appending to */
struct mailbox m;
char userid[MAX_MAILBOX_BUFFER];
enum { APPEND_READY, APPEND_DONE } s;
/* current state of append */
/* if we abort, where should we truncate the cache file? */
unsigned long orig_cache_size;
int writeheader; /* did we change the mailbox header? */
int nummsg; /* number of messages appended pending commit.
from m.last_uid + 1 ... m.last_uid + nummsg */
/* summary information to change on commit */
int numanswered, numdeleted, numflagged;
/* set seen on these message on commit */
char *seen_msgrange;
int seen_alloced;
/* the amount of quota we've used so far in this append */
uquota_t quota_used;
/* txn for updating quota */
struct txn *tid;
};
/* add helper function to determine uid range appended? */
struct stagemsg;
extern int append_check(const char *name, int format,
struct auth_state *auth_state,
long aclcheck, quota_t quotacheck);
/* appendstate must be allocated by client */
extern int append_setup(struct appendstate *mailbox, const char *name,
int format,
const char *userid, struct auth_state *auth_state,
long aclcheck, quota_t quotacheck);
extern int append_commit(struct appendstate *mailbox,
quota_t quotacheck,
unsigned long *uidvalidity,
unsigned long *startuid,
unsigned long *num);
extern int append_abort(struct appendstate *mailbox);
int append_stageparts(struct stagemsg *stagep);
/* creates a new stage and returns stage file corresponding to mailboxname */
extern FILE *append_newstage(const char *mailboxname, time_t internaldate,
int msgnum, struct stagemsg **stagep);
/* adds a new mailbox to the stage initially created by append_newstage() */
extern int append_fromstage(struct appendstate *mailbox, struct body **body,
struct stagemsg *stage, time_t internaldate,
const char **flag, int nflags, int nolink);
/* removes the stage (frees memory, deletes the staging files) */
extern int append_removestage(struct stagemsg *stage);
extern int append_fromstream(struct appendstate *as, struct body **body,
struct protstream *messagefile,
unsigned long size, time_t internaldate,
const char **flag, int nflags);
extern int append_copy(struct mailbox *mailbox,
struct appendstate *append_mailbox,
int nummsg, struct copymsg *copymsg, int nolink);
extern int append_collectnews(struct appendstate *mailbox,
const char *group, unsigned long feeduid);
#define append_getuidvalidity(as) ((as)->m.uidvalidity);
#define append_getlastuid(as) ((as)->m.last_uid);
#endif /* INCLUDED_APPEND_H */

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