1 /* $Id: recctrl.c,v 1.4 2006-11-06 20:48:43 adam 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 this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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
114 extern RecType idzebra_filter_alvis[];
115 recTypeClass_add (&rts, idzebra_filter_alvis, nmem, 0);
122 static void load_from_dir(RecTypeClass *rts, NMEM nmem, const char *dirname)
125 DIR *dir = opendir(dirname);
130 while ((de = readdir(dir)))
132 size_t dlen = strlen(de->d_name);
134 !memcmp(de->d_name, "mod-", 4) &&
135 !strcmp(de->d_name + dlen - 3, ".so"))
138 char fname[FILENAME_MAX*2+1];
139 sprintf(fname, "%.*s/%.*s",
140 FILENAME_MAX, dirname,
141 FILENAME_MAX, de->d_name);
142 mod_p = dlopen(fname, RTLD_NOW|RTLD_GLOBAL);
143 if (mod_p && (fl = dlsym(mod_p, "idzebra_filter")))
145 yaz_log(YLOG_LOG, "Loaded filter module %s", fname);
146 recTypeClass_add(rts, fl, nmem, mod_p);
150 const char *err = dlerror();
151 yaz_log(YLOG_WARN, "dlsym failed %s %s",
152 fname, err ? err : "none");
157 const char *err = dlerror();
158 yaz_log(YLOG_WARN, "dlopen failed %s %s",
159 fname, err ? err : "none");
169 void recTypeClass_load_modules(RecTypeClass *rts, NMEM nmem,
170 const char *module_path)
174 const char *comp_ptr;
175 char comp[FILENAME_MAX+1];
178 len = yaz_filepath_comp(&module_path, &comp_ptr);
179 if (!len || len >= FILENAME_MAX)
182 memcpy(comp, comp_ptr, len);
185 load_from_dir(rts, nmem, comp);
189 static void recTypeClass_add(struct recTypeClass **rts, RecType *rt,
190 NMEM nmem, void *module_handle)
194 struct recTypeClass *r = (struct recTypeClass *)
195 nmem_malloc (nmem, sizeof(*r));
200 r->module_handle = module_handle;
201 module_handle = 0; /* so that we only store module_handle once */
208 void recTypeClass_info(RecTypeClass rtc, void *cd,
209 void (*cb)(void *cd, const char *s))
211 for (; rtc; rtc = rtc->next)
212 (*cb)(cd, rtc->recType->name);
215 void recTypeClass_destroy(RecTypeClass rtc)
217 for (; rtc; rtc = rtc->next)
220 if (rtc->module_handle)
221 dlclose(rtc->module_handle);
226 RecTypes recTypes_init(RecTypeClass rtc, data1_handle dh)
228 RecTypes rts = (RecTypes) nmem_malloc(data1_nmem_get(dh), sizeof(*rts));
230 struct recTypeInstance **rti = &rts->entries;
234 for (; rtc; rtc = rtc->next)
236 *rti = nmem_malloc(data1_nmem_get(dh), sizeof(**rti));
237 (*rti)->recType = rtc->recType;
238 (*rti)->init_flag = 0;
245 void recTypes_destroy (RecTypes rts)
247 struct recTypeInstance *rti;
249 for (rti = rts->entries; rti; rti = rti->next)
252 (*(rti->recType)->destroy)(rti->clientData);
256 RecType recType_byName (RecTypes rts, Res res, const char *name,
259 struct recTypeInstance *rti;
261 for (rti = rts->entries; rti; rti = rti->next)
263 size_t slen = strlen(rti->recType->name);
264 if (!strncmp (rti->recType->name, name, slen)
265 && (name[slen] == '\0' || name[slen] == '.'))
271 (*(rti->recType)->init)(res, rti->recType);
273 *clientDataP = rti->clientData;
277 if (rti->recType->config)
279 if ((*(rti->recType)->config)
280 (rti->clientData, res, name+slen) != ZEBRA_OK)
292 * indent-tabs-mode: nil
294 * vim: shiftwidth=4 tabstop=8 expandtab