2 * Copyright (c) 1995-1998, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
6 * NT Service interface by
7 * Chas Woodfield, Fretwell Downing Datasystems.
10 * Revision 1.12 1998-07-20 12:38:44 adam
11 * Implemented delete result set service to server API.
13 * Revision 1.11 1998/06/09 13:55:08 adam
16 * Revision 1.10 1998/05/27 16:55:54 adam
19 * Revision 1.9 1998/03/31 11:07:45 adam
20 * Furhter work on UNIverse resource report.
21 * Added Extended Services handling in frontend server.
23 * Revision 1.8 1998/02/11 11:53:36 adam
24 * Changed code so that it compiles as C++.
26 * Revision 1.7 1998/02/10 11:03:57 adam
27 * Added support for extended handlers in backend server interface.
29 * Revision 1.6 1998/01/29 13:16:02 adam
30 * Added dummy sort in test server.
32 * Revision 1.5 1997/11/07 13:31:58 adam
33 * Added NT Service name part of statserv_options_block. Moved NT
34 * service utility to server library.
36 * Revision 1.4 1997/09/17 12:10:43 adam
39 * Revision 1.3 1997/09/09 10:10:20 adam
40 * Another MSV5.0 port. Changed projects to include proper
41 * library/include paths.
42 * Server starts server in test-mode when no options are given.
44 * Revision 1.2 1997/09/04 13:50:31 adam
50 * Demonstration of simple server
63 Z_GenericRecord *read_grs1(FILE *f, ODR o);
65 int ztest_search (void *handle, bend_search_rr *rr);
66 int ztest_sort (void *handle, bend_sort_rr *rr);
67 int ztest_present (void *handle, bend_present_rr *rr);
68 int ztest_esrequest (void *handle, bend_esrequest_rr *rr);
69 int ztest_delete (void *handle, bend_delete_rr *rr);
71 bend_initresult *bend_init(bend_initrequest *q)
73 bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
74 static char *dummy = "Hej fister";
79 q->bend_sort = ztest_sort; /* register sort handler */
80 q->bend_search = ztest_search; /* register search handler */
81 q->bend_present = ztest_present; /* register present handle */
82 q->bend_esrequest = ztest_esrequest;
83 q->bend_delete = ztest_delete;
87 int ztest_search (void *handle, bend_search_rr *rr)
89 rr->hits = rand() % 22;
93 int ztest_present (void *handle, bend_present_rr *rr)
98 int ztest_esrequest (void *handle, bend_esrequest_rr *rr)
104 int ztest_delete (void *handle, bend_delete_rr *rr)
106 if (rr->num_setnames == 1 && !strcmp (rr->setnames[0], "1"))
107 rr->delete_status = Z_DeleteStatus_success;
109 rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
113 /* Obsolete bend_search, never called because handler is registered */
114 bend_searchresult *bend_search(void *handle, bend_searchrequest *q, int *fd)
119 /* Our sort handler really doesn't sort... */
120 int ztest_sort (void *handle, bend_sort_rr *rr)
123 rr->sort_status = Z_SortStatus_success;
127 static int atoin (const char *buf, int n)
133 val = val*10 + (*buf - '0');
139 char *marc_read(FILE *inf)
145 if (fread (length_str, 1, 5, inf) != 5)
147 size = atoin (length_str, 5);
150 if (!(buf = (char*) xmalloc (size+1)))
152 if (fread (buf+5, 1, size-5, inf) != (size-5))
157 memcpy (buf, length_str, 5);
162 static char *dummy_database_record (int num)
164 FILE *inf = fopen ("dummy-records", "r");
175 buf = (char*) xmalloc(2101);
177 memset(buf, 'A', 2100);
182 buf = marc_read (inf);
192 static Z_GenericRecord *dummy_grs_record (int num, ODR o)
194 FILE *f = fopen("dummy-grs", "r");
196 Z_GenericRecord *r = 0;
201 while (fgets(line, 512, f))
202 if (*line == '#' && sscanf(line, "#%d", &n) == 1 && n == num)
211 bend_fetchresult *bend_fetch(void *handle, bend_fetchrequest *q, int *num)
213 bend_fetchresult *r = (bend_fetchresult *)
214 odr_malloc (q->stream, sizeof(*r));
218 r->basename = "DUMMY";
219 r->format = q->format;
220 if (q->format == VAL_SUTRS)
224 sprintf(buf, "This is dummy SUTRS record number %d\n", q->number);
225 r->len = strlen(buf);
226 r->record = odr_malloc (q->stream, r->len+1);
227 strcpy(r->record, buf);
229 else if (q->format == VAL_GRS1)
232 r->record = (char*) dummy_grs_record(q->number, q->stream);
239 else if ((cp = dummy_database_record(q->number)))
242 r->record = (char *) odr_malloc (q->stream, 1+r->len);
243 strcpy (r->record, cp);
244 r->format = VAL_USMARC;
256 * silly dummy-scan what reads words from a file.
258 bend_scanresult *bend_scan(void *handle, bend_scanrequest *q, int *num)
260 bend_scanresult *r = (bend_scanresult *) odr_malloc (q->stream, sizeof(*r));
262 static struct scan_entry list[200];
263 static char entries[200][80];
271 r->status = BEND_SCAN_SUCCESS;
272 if (!f && !(f = fopen("dummy-words", "r")))
274 perror("dummy-words");
277 if (q->term->term->which != Z_Term_general)
279 r->errcode = 229; /* unsupported term type */
282 if (q->term->term->u.general->len >= 80)
284 r->errcode = 11; /* term too long */
287 if (q->num_entries > 200)
292 memcpy(term, q->term->term->u.general->buf, q->term->term->u.general->len);
293 term[q->term->term->u.general->len] = '\0';
294 for (p = term; *p; p++)
298 fseek(f, 0, SEEK_SET);
300 for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
301 i++, pos < 199 ? pos++ : (pos = 0))
303 if (!r->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
305 if ((r->term_position = q->term_position) > i + 1)
307 r->term_position = i + 1;
308 r->status = BEND_SCAN_PARTIAL;
310 for (; r->num_entries < r->term_position; r->num_entries++)
314 po = pos - r->term_position + r->num_entries + 1; /* find pos */
317 list[r->num_entries].term = entries[po];
318 list[r->num_entries].occurrences = hits[po];
321 else if (r->num_entries)
323 list[r->num_entries].term = entries[pos];
324 list[r->num_entries].occurrences = hits[pos];
327 if (r->num_entries >= q->num_entries)
331 r->status = BEND_SCAN_PARTIAL;
335 void bend_close(void *handle)
340 int main(int argc, char **argv)
342 return statserv_main(argc, argv);