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jfr.im git - irc/evilnet/x3.git/blob - src/modules.c
1 /* modules.c - Compiled-in module support
2 * Copyright 2002-2003 srvx Development Team
4 * This file is part of srvx.
6 * srvx is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with srvx; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
34 int (*init_func
)(void);
35 int (*finalize_func
)(void);
37 enum init_state state
;
40 #define WITH_MODULE(x) extern int x##_init(void); extern int x##_finalize(void); extern const char *x##_module_deps[];
41 #include "modules-list.h"
44 static struct cmodule cmodules
[] = {
45 #define WITH_MODULE(x) { #x, x##_init, x##_finalize, x##_module_deps, UNINIT },
46 #include "modules-list.h"
48 /* Placeholder at end of array */
49 { NULL
, NULL
, NULL
, NULL
, UNINIT
}
53 modules_bsearch(const void *a
, const void *b
) {
55 const struct cmodule
*cmod
= b
;
56 return irccasecmp(key
, cmod
->name
);
60 modules_qsort(const void *a
, const void *b
) {
61 const struct cmodule
*ca
= a
, *cb
= b
;
62 return irccasecmp(ca
->name
, cb
->name
);
66 module_init(struct cmodule
*cmod
, int final
) {
70 switch (cmod
->state
) {
72 case INITED
: if (!final
) return 1; break;
74 case BROKEN
: return 0;
76 log_module(MAIN_LOG
, LOG_ERROR
, "Tried to recursively enable code module %s.", cmod
->name
);
79 cmod
->state
= WORKING
;
80 for (ii
=0; cmod
->deps
[ii
]; ++ii
) {
81 dep
= bsearch(cmod
->deps
[ii
], cmodules
, ArrayLength(cmodules
)-1, sizeof(cmodules
[0]), modules_bsearch
);
83 log_module(MAIN_LOG
, LOG_ERROR
, "Code module %s depends on unknown module %s.", cmod
->name
, cmod
->deps
[ii
]);
87 if (!module_init(dep
, final
)) {
88 log_module(MAIN_LOG
, LOG_ERROR
, "Failed to initialize dependency %s of code module %s.", dep
->name
, cmod
->name
);
94 if (!cmod
->finalize_func()) {
95 log_module(MAIN_LOG
, LOG_ERROR
, "Failed to finalize code module %s.", cmod
->name
);
102 if (!cmod
->init_func()) {
103 log_module(MAIN_LOG
, LOG_ERROR
, "Failed to initialize code module %s.", cmod
->name
);
104 cmod
->state
= BROKEN
;
107 cmod
->state
= INITED
;
116 qsort(cmodules
, ArrayLength(cmodules
)-1, sizeof(cmodules
[0]), modules_qsort
);
117 for (ii
=0; cmodules
[ii
].name
; ++ii
) {
118 if (cmodules
[ii
].state
!= UNINIT
) continue;
119 module_init(cmodules
+ ii
, 0);
120 if (cmodules
[ii
].state
!= INITED
) {
121 log_module(MAIN_LOG
, LOG_WARNING
, "Code module %s not properly initialized.", cmodules
[ii
].name
);
127 modules_finalize(void) {
130 for (ii
=0; cmodules
[ii
].name
; ++ii
) {
131 if (cmodules
[ii
].state
!= INITED
) continue;
132 module_init(cmodules
+ ii
, 1);
133 if (cmodules
[ii
].state
!= DONE
) {
134 log_module(MAIN_LOG
, LOG_WARNING
, "Code module %s not properly finalized.", cmodules
[ii
].name
);