1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#ifndef foomodulehfoo
#define foomodulehfoo
/* $Id$ */
/***
This file is part of libnewmail
libnewmail is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
libnewmail 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.
You should have received a copy of the GNU General Public License
along with libnewmail; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
***/
/** \file
*
* The plugin interface of libnewmail. Mail checking modules should
* use these functions and those declared in config.h and util.h
*/
#include <ltdl.h>
#include "newmail.h"
#include "config.h"
/** A structure encapsulating information about a mail spool handle. It is opaque to the application
*/
struct nm_spool {
lt_dlhandle dl; /**< A libltdl handle to the plugin so */
char *data; /**< Some plugin specific data */
config_t *config; /**< A configuration context for the mail spool */
char *path; /**< The path to the associated configuration file */
int (*query) (struct nm_spool *s, enum nm_query query, struct nm_status *status);
/**< A pointer to the real query() function wrapped by nm_query() */
int (*query_submit) (struct nm_spool *s, enum nm_query query, oop_source* oop, nm_query_cb_t cb, void *user);
/**< A pointer to the real query_submit() function wrapped by nm_query_submit() */
int (*configure) (struct nm_spool *s);
/**< A pointer to the real configure() function wrapped by nm_configuret() */
int (*info) (struct nm_spool *s, struct nm_info *i);
/**< A pointer to the real query_info() function wrapped by nm_info() */
void (*done) (struct nm_spool *s);
/**< A pointer to a function which will be called before this nm_spool is freed. */
};
/** The prototype of the only function which needs to be exported by a
* plugin. It is called when new nm_spool of the plugin is
* instantiated.
* @param s The virgin nm_spool structure. The plugin should fill in
* the pointers to functions contained in the structure.\c dl, \c config and \c path are
* already filled in, \c data may be used for arbitrary spool handle
* specific data,
* @return zero on success, nonzero on failure.
*/
typedef int (*nm_init_t) (struct nm_spool *s);
#endif
|