2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1995-03-17 10:18:08 quinn
8 * Added memory management.
10 * Revision 1.3 1995/03/16 17:42:39 quinn
13 * Revision 1.2 1995/03/16 13:29:01 quinn
16 * Revision 1.1 1995/03/15 16:02:10 quinn
17 * Modded session.c seshigh.c
19 * Revision 1.10 1995/03/15 15:18:51 quinn
20 * Little changes to better support nonblocking I/O
23 * Revision 1.9 1995/03/15 13:20:23 adam
24 * Yet another bug fix in very dummy_database...
26 * Revision 1.8 1995/03/15 11:18:17 quinn
29 * Revision 1.7 1995/03/15 09:40:15 adam
30 * Bug fixes in dummy_database_...
32 * Revision 1.6 1995/03/15 09:08:30 adam
33 * Take care of preferredMessageSize.
35 * Revision 1.5 1995/03/15 08:37:44 quinn
36 * Now we're pretty much set for nonblocking I/O.
38 * Revision 1.4 1995/03/15 08:27:20 adam
39 * PresentRequest changed to return MARC records from file 'dummy-records'.
41 * Revision 1.3 1995/03/14 16:59:48 quinn
44 * Revision 1.2 1995/03/14 11:30:14 quinn
47 * Revision 1.1 1995/03/14 10:28:01 quinn
48 * More work on demo server.
65 #define ENCODE_BUFFER_SIZE 10000
67 static int process_apdu(IOCHAN chan);
68 static int process_initRequest(IOCHAN client, Z_InitRequest *req);
69 static int process_searchRequest(IOCHAN client, Z_SearchRequest *req);
70 static int process_presentRequest(IOCHAN client, Z_PresentRequest *req);
72 association *create_association(IOCHAN channel, COMSTACK link)
76 if (!(new = malloc(sizeof(*new))))
78 new->client_chan = channel;
79 new->client_link = link;
80 if (!(new->decode = odr_createmem(ODR_DECODE)) ||
81 !(new->encode = odr_createmem(ODR_ENCODE)))
83 if (!(new->encode_buffer = malloc(ENCODE_BUFFER_SIZE)))
85 odr_setbuf(new->encode, new->encode_buffer, ENCODE_BUFFER_SIZE);
86 new->state = ASSOC_UNINIT;
87 new->input_buffer = 0;
88 new->input_buffer_len = 0;
92 void destroy_association(association *h)
94 odr_destroy(h->decode);
95 odr_destroy(h->encode);
96 free(h->encode_buffer);
98 free(h->input_buffer);
102 void ir_session(IOCHAN h, int event)
105 association *assoc = iochan_getdata(h);
106 COMSTACK conn = assoc->client_link;
108 if (event == EVENT_INPUT)
110 assert(assoc && conn);
111 res = cs_get(conn, &assoc->input_buffer, &assoc->input_buffer_len);
114 case 0: case -1: /* connection closed by peer */
115 fprintf(stderr, "Closed connection\n");
117 destroy_association(assoc);
120 case 1: /* incomplete read */
123 assoc->input_apdu_len = res;
124 if (process_apdu(h) < 0)
126 fprintf(stderr, "Operation failed\n");
128 destroy_association(assoc);
131 else if (cs_more(conn)) /* arrange to be called again */
132 iochan_setevent(h, EVENT_INPUT);
135 else if (event == EVENT_OUTPUT)
137 switch (res = cs_put(conn, assoc->encode_buffer, assoc->encoded_len))
140 fprintf(stderr, "Closed connection\n");
142 destroy_association(assoc);
144 case 0: /* all sent */
145 iochan_setflags(h, EVENT_INPUT | EVENT_EXCEPT); /* reset */
147 case 1: /* partial send */
148 break; /* we'll get called again */
151 else if (event == EVENT_EXCEPT)
153 fprintf(stderr, "Exception on line\n");
155 destroy_association(assoc);
160 static int process_apdu(IOCHAN chan)
164 association *assoc = iochan_getdata(chan);
166 odr_setbuf(assoc->decode, assoc->input_buffer, assoc->input_apdu_len);
167 if (!z_APDU(assoc->decode, &apdu, 0))
169 odr_perror(assoc->decode, "Incoming APDU");
174 case Z_APDU_initRequest:
175 res = process_initRequest(chan, apdu->u.initRequest); break;
176 case Z_APDU_searchRequest:
177 res = process_searchRequest(chan, apdu->u.searchRequest); break;
178 case Z_APDU_presentRequest:
179 res = process_presentRequest(chan, apdu->u.presentRequest); break;
181 fprintf(stderr, "Bad APDU\n");
184 odr_reset(assoc->decode);
188 static int process_initRequest(IOCHAN client, Z_InitRequest *req)
193 association *assoc = iochan_getdata(client);
194 bend_initrequest binitreq;
195 bend_initresult *binitres;
197 fprintf(stderr, "Got initRequest.\n");
198 if (req->implementationId)
199 fprintf(stderr, "Id: %s\n", req->implementationId);
200 if (req->implementationName)
201 fprintf(stderr, "Name: %s\n", req->implementationName);
202 if (req->implementationVersion)
203 fprintf(stderr, "Version: %s\n", req->implementationVersion);
205 binitreq.configname = "default-config";
206 if (!(binitres = bend_init(&binitreq)) || binitres->errcode)
208 fprintf(stderr, "Bad response from backend\n");
213 apdu.which = Z_APDU_initResponse;
214 apdu.u.initResponse = &resp;
215 resp.referenceId = req->referenceId;
216 resp.options = req->options; /* should check these */
217 resp.protocolVersion = req->protocolVersion;
218 assoc->maximumRecordSize = *req->maximumRecordSize;
219 if (assoc->maximumRecordSize > ENCODE_BUFFER_SIZE - 500)
220 assoc->maximumRecordSize = ENCODE_BUFFER_SIZE - 500;
221 assoc->preferredMessageSize = *req->preferredMessageSize;
222 if (assoc->preferredMessageSize > assoc->maximumRecordSize)
223 assoc->preferredMessageSize = assoc->maximumRecordSize;
224 resp.preferredMessageSize = &assoc->preferredMessageSize;
225 resp.maximumRecordSize = &assoc->maximumRecordSize;
226 resp.result = &result;
227 resp.implementationId = "YAZ";
228 resp.implementationName = "YAZ/Simple asynchronous test server";
229 resp.implementationVersion = "$Revision: 1.4 $";
230 resp.userInformationField = 0;
231 if (!z_APDU(assoc->encode, &apdup, 0))
233 odr_perror(assoc->encode, "Encode initres");
236 odr_getbuf(assoc->encode, &assoc->encoded_len);
237 odr_reset(assoc->encode);
238 iochan_setflags(client, EVENT_OUTPUT | EVENT_EXCEPT);
242 static Z_Records *diagrec(int error, char *addinfo)
244 static Z_Records rec;
245 static Odr_oid bib1[] = { 1, 2, 3, 4, 5, -1 };
249 fprintf(stderr, "Diagnostic: %d -- %s\n", error, addinfo);
251 rec.which = Z_Records_NSD;
252 rec.u.nonSurrogateDiagnostic = &dr;
253 dr.diagnosticSetId = bib1;
255 dr.addinfo = addinfo;
259 static int process_searchRequest(IOCHAN client, Z_SearchRequest *req)
262 Z_SearchResponse resp;
263 association *assoc = iochan_getdata(client);
267 bend_searchrequest bsrq;
268 bend_searchresult *bsrt;
270 fprintf(stderr, "Got SearchRequest.\n");
272 apdu.which = Z_APDU_searchResponse;
273 apdu.u.searchResponse = &resp;
274 resp.referenceId = req->referenceId;
276 bsrq.setname = req->resultSetName;
277 bsrq.replace_set = *req->replaceIndicator;
278 bsrq.num_bases = req->num_databaseNames;
279 bsrq.basenames = req->databaseNames;
280 bsrq.query = req->query;
282 if (!(bsrt = bend_search(&bsrq)))
284 else if (bsrt->errcode)
285 resp.records = diagrec(bsrt->errcode, bsrt->errstring);
289 resp.resultCount = &bsrt->hits;
290 resp.numberOfRecordsReturned = &nulint;
291 nrp = bsrt->hits ? 1 : 0;
292 resp.nextResultSetPosition = &nrp;
293 resp.searchStatus = &sr;
294 resp.resultSetStatus = &sr;
295 resp.presentStatus = 0;
297 if (!z_APDU(assoc->encode, &apdup, 0))
299 odr_perror(assoc->encode, "Encode searchres");
302 odr_getbuf(assoc->encode, &assoc->encoded_len);
303 odr_reset(assoc->encode);
304 iochan_setflags(client, EVENT_OUTPUT | EVENT_EXCEPT);
308 static int process_presentRequest(IOCHAN client, Z_PresentRequest *req)
311 Z_PresentResponse resp;
312 association *assoc = iochan_getdata(client);
315 fprintf(stderr, "Got PresentRequest.\n");
317 apdu.which = Z_APDU_presentResponse;
318 apdu.u.presentResponse = &resp;
319 resp.referenceId = req->referenceId;
321 resp.numberOfRecordsReturned = &nrr;
322 resp.nextResultSetPosition = &nrr;
323 resp.presentStatus = &nrr;
325 resp.records = diagrec(1, "No records yet.");
327 if (!z_APDU(assoc->encode, &apdup, 0))
329 odr_perror(assoc->encode, "Encode presentres");
332 odr_getbuf(assoc->encode, &assoc->encoded_len);
333 odr_reset(assoc->encode);
334 iochan_setflags(client, EVENT_OUTPUT | EVENT_EXCEPT);