1 /* $Id: recctrl.c,v 1.27 2006-06-02 13:55:55 marc Exp $
2 Copyright (C) 1995-2006
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
32 #include <idzebra/util.h>
33 #include <idzebra/recctrl.h>
37 struct recTypeClass *next;
41 struct recTypeInstance {
43 struct recTypeInstance *next;
50 struct recTypeInstance *entries;
53 static void recTypeClass_add (struct recTypeClass **rts, RecType *rt,
54 NMEM nmem, void *module_handle);
57 RecTypeClass recTypeClass_create (Res res, NMEM nmem)
59 struct recTypeClass *rts = 0;
61 #ifdef IDZEBRA_STATIC_GRS_SGML
64 extern RecType idzebra_filter_grs_sgml[];
65 recTypeClass_add (&rts, idzebra_filter_grs_sgml, nmem, 0);
69 #ifdef IDZEBRA_STATIC_TEXT
72 extern RecType idzebra_filter_text[];
73 recTypeClass_add (&rts, idzebra_filter_text, nmem, 0);
77 #ifdef IDZEBRA_STATIC_GRS_XML
81 extern RecType idzebra_filter_grs_xml[];
82 recTypeClass_add (&rts, idzebra_filter_grs_xml, nmem, 0);
87 #ifdef IDZEBRA_STATIC_GRS_REGX
90 extern RecType idzebra_filter_grs_regx[];
91 recTypeClass_add (&rts, idzebra_filter_grs_regx, nmem, 0);
95 #ifdef IDZEBRA_STATIC_GRS_MARC
98 extern RecType idzebra_filter_grs_marc[];
99 recTypeClass_add (&rts, idzebra_filter_grs_marc, nmem, 0);
103 #ifdef IDZEBRA_STATIC_SAFARI
106 extern RecType idzebra_filter_safari[];
107 recTypeClass_add (&rts, idzebra_filter_safari, nmem, 0);
111 #ifdef IDZEBRA_STATIC_ALVIS
115 extern RecType idzebra_filter_alvis[];
116 recTypeClass_add (&rts, idzebra_filter_alvis, nmem, 0);
124 void recTypeClass_load_modules(RecTypeClass *rts, NMEM nmem,
125 const char *module_path)
130 DIR *dir = opendir(module_path);
131 yaz_log(YLOG_LOG, "searching filters in %s", module_path);
136 while ((de = readdir(dir)))
138 size_t dlen = strlen(de->d_name);
140 !memcmp(de->d_name, "mod-", 4) &&
141 !strcmp(de->d_name + dlen - 3, ".so"))
144 char fname[FILENAME_MAX*2+1];
145 sprintf(fname, "%.*s/%.*s",
146 FILENAME_MAX, module_path,
147 FILENAME_MAX, de->d_name);
148 mod_p = dlopen(fname, RTLD_NOW|RTLD_GLOBAL);
149 if (mod_p && (fl = dlsym(mod_p, "idzebra_filter")))
151 yaz_log(YLOG_LOG, "Loaded filter module %s", fname);
152 recTypeClass_add(rts, fl, nmem, mod_p);
156 const char *err = dlerror();
157 yaz_log(YLOG_WARN, "dlsym failed %s %s",
158 fname, err ? err : "none");
163 const char *err = dlerror();
164 yaz_log(YLOG_WARN, "dlopen failed %s %s",
165 fname, err ? err : "none");
176 static void recTypeClass_add(struct recTypeClass **rts, RecType *rt,
177 NMEM nmem, void *module_handle)
181 struct recTypeClass *r = (struct recTypeClass *)
182 nmem_malloc (nmem, sizeof(*r));
187 yaz_log(YLOG_LOG, "Adding filter %s", (*rt)->name);
188 r->module_handle = module_handle;
189 module_handle = 0; /* so that we only store module_handle once */
196 void recTypeClass_info(RecTypeClass rtc, void *cd,
197 void (*cb)(void *cd, const char *s))
199 for (; rtc; rtc = rtc->next)
200 (*cb)(cd, rtc->recType->name);
203 void recTypeClass_destroy(RecTypeClass rtc)
205 for (; rtc; rtc = rtc->next)
208 if (rtc->module_handle)
209 dlclose(rtc->module_handle);
214 RecTypes recTypes_init(RecTypeClass rtc, data1_handle dh)
216 RecTypes rts = (RecTypes) nmem_malloc(data1_nmem_get(dh), sizeof(*rts));
218 struct recTypeInstance **rti = &rts->entries;
222 for (; rtc; rtc = rtc->next)
224 *rti = nmem_malloc(data1_nmem_get(dh), sizeof(**rti));
225 (*rti)->recType = rtc->recType;
226 (*rti)->init_flag = 0;
233 void recTypes_destroy (RecTypes rts)
235 struct recTypeInstance *rti;
237 for (rti = rts->entries; rti; rti = rti->next)
240 (*(rti->recType)->destroy)(rti->clientData);
244 RecType recType_byName (RecTypes rts, Res res, const char *name,
247 struct recTypeInstance *rti;
249 for (rti = rts->entries; rti; rti = rti->next)
251 size_t slen = strlen(rti->recType->name);
252 if (!strncmp (rti->recType->name, name, slen)
253 && (name[slen] == '\0' || name[slen] == '.'))
259 (*(rti->recType)->init)(res, rti->recType);
261 *clientDataP = rti->clientData;
265 if (rti->recType->config)
267 if ((*(rti->recType)->config)
268 (rti->clientData, res, name+slen) != ZEBRA_OK)
280 * indent-tabs-mode: nil
282 * vim: shiftwidth=4 tabstop=8 expandtab