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mupdate.h
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/* mupdate.h - private mupdate header file
*
* 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: mupdate.h,v 1.21 2010/01/06 17:01:38 murch Exp $
*/
#ifndef INCLUDED_MUPDATE_H
#define INCLUDED_MUPDATE_H
/* Quick reference to the mupdate files:
*
* mupdate.h: Internal header for mupdate modules.
* mupdate-client.h: Public header for mupdate clients.
* mupdate-client.c: Implementation of client functions
* mupdate.c: Implementation of server functions
* mupdate-slave.c: Slave listener thread functions.
*/
#include "backend.h"
#include "mailbox.h"
#include "mpool.h"
#include "mupdate-client.h"
#include "mupdate_err.h"
#include "global.h"
struct mupdate_handle_s {
struct backend *conn;
/* For keeping track of what tag # is next */
unsigned int tagn;
/* For mupdate_scarf and mupdate_authenticate */
struct buf tag, cmd, arg1, arg2, arg3;
/* For client side mupdate_find calls */
char mailbox_buf[MAX_MAILBOX_BUFFER];
char server_buf[MAX_MAILBOX_BUFFER];
char *acl_buf;
size_t acl_buf_len;
struct mupdate_mailboxdata mailboxdata_buf;
int saslcompleted;
};
enum settype {
SET_ACTIVE,
SET_RESERVE,
SET_DELETE,
SET_DEACTIVATE
};
/* mailbox name MUST be first, since it is the key */
/* acl MUST be last, since it is what causes the variable size */
struct mbent {
char *mailbox;
char *server;
enum settype t;
struct mbent *next; /* used for queue */
char acl[1];
};
struct mbent_queue
{
struct mbent *head;
struct mbent **tail;
};
/* Used to free malloc'd mbent's */
void free_mbent(struct mbent *p);
/* Used by the slave listener thread to update the local database */
int cmd_change(struct mupdate_mailboxdata *mdata,
const char *cmd, void *context);
int mupdate_synchronize_remote(mupdate_handle *handle,
struct mbent_queue *remote_boxes,
struct mpool *pool);
/* Given an mbent_queue, will synchronize the local database to it */
int mupdate_synchronize(struct mbent_queue *remote_boxes, struct mpool *pool);
/* Signal that we are ready to accept connections */
void mupdate_ready(void);
void mupdate_unready(void);
void mupdate_signal_db_synced(void);
/* --- internal client functions (mupdate-client.c) --- */
/* these are used by the slave thread and by the client API */
enum mupdate_cmd_response {
MUPDATE_OK = 0,
MUPDATE_NO = -1,
MUPDATE_BAD = -2,
MUPDATE_BYE = -3
};
/* Scarf up the incoming data and perform the requested operations */
/* Returns 0 on no error
otherwise MUPDATE_error. */
/* if 'wait_for_ok' is set and 'response' != NULL, *response is filled in */
int mupdate_scarf(mupdate_handle *handle,
mupdate_callback callback,
void *context,
int wait_for_ok,
enum mupdate_cmd_response *response);
#endif /* INCLUDED_MUPDATE_H */

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