2 * Copyright (c) 1995-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: seshigh.c,v 1.153 2003-04-18 15:11:04 adam Exp $
9 * Frontend server logic.
11 * This code receives incoming APDUs, and handles client requests by means
14 * Some of the code is getting quite involved, compared to simpler servers -
15 * primarily because it is asynchronous both in the communication with
16 * the user and the backend. We think the complexity will pay off in
17 * the form of greater flexibility when more asynchronous facilities
20 * Memory management has become somewhat involved. In the simple case, where
21 * only one PDU is pending at a time, it will simply reuse the same memory,
22 * once it has found its working size. When we enable multiple concurrent
23 * operations, perhaps even with multiple parallel calls to the backend, it
24 * will maintain a pool of buffers for encoding and decoding, trying to
25 * minimize memory allocation/deallocation during normal operation.
31 #include <sys/types.h>
34 #define S_ISREG(x) (x & _S_IFREG)
44 #include <yaz/yconfig.h>
45 #include <yaz/xmalloc.h>
46 #include <yaz/comstack.h>
49 #include <yaz/proto.h>
52 #include <yaz/logrpn.h>
53 #include <yaz/statserv.h>
54 #include <yaz/diagbib1.h>
55 #include <yaz/charneg.h>
56 #include <yaz/otherinfo.h>
57 #include <yaz/yaz-util.h>
58 #include <yaz/pquery.h>
61 #include <yaz/backend.h>
63 static void process_gdu_request(association *assoc, request *req);
64 static int process_z_request(association *assoc, request *req, char **msg);
65 void backend_response(IOCHAN i, int event);
66 static int process_gdu_response(association *assoc, request *req, Z_GDU *res);
67 static int process_z_response(association *assoc, request *req, Z_APDU *res);
68 static Z_APDU *process_initRequest(association *assoc, request *reqb);
69 static Z_APDU *process_searchRequest(association *assoc, request *reqb,
71 static Z_APDU *response_searchRequest(association *assoc, request *reqb,
72 bend_search_rr *bsrr, int *fd);
73 static Z_APDU *process_presentRequest(association *assoc, request *reqb,
75 static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd);
76 static Z_APDU *process_sortRequest(association *assoc, request *reqb, int *fd);
77 static void process_close(association *assoc, request *reqb);
78 void save_referenceId (request *reqb, Z_ReferenceId *refid);
79 static Z_APDU *process_deleteRequest(association *assoc, request *reqb,
81 static Z_APDU *process_segmentRequest (association *assoc, request *reqb);
83 static FILE *apduf = 0; /* for use in static mode */
84 static statserv_options_block *control_block = 0;
86 static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd);
89 * Create and initialize a new association-handle.
90 * channel : iochannel for the current line.
91 * link : communications channel.
92 * Returns: 0 or a new association handle.
94 association *create_association(IOCHAN channel, COMSTACK link)
99 control_block = statserv_getcontrol();
100 if (!(anew = (association *)xmalloc(sizeof(*anew))))
104 anew->client_chan = channel;
105 anew->client_link = link;
106 anew->cs_get_mask = 0;
107 anew->cs_put_mask = 0;
108 anew->cs_accept_mask = 0;
109 if (!(anew->decode = odr_createmem(ODR_DECODE)) ||
110 !(anew->encode = odr_createmem(ODR_ENCODE)))
112 if (*control_block->apdufile)
117 strcpy(filename, control_block->apdufile);
118 if (!(anew->print = odr_createmem(ODR_PRINT)))
120 if (*control_block->apdufile == '@')
122 odr_setprint(anew->print, yaz_log_file());
124 else if (*control_block->apdufile != '-')
126 strcpy(filename, control_block->apdufile);
127 if (!control_block->dynamic)
131 if (!(apduf = fopen(filename, "w")))
133 yaz_log(LOG_WARN|LOG_ERRNO, "%s", filename);
136 setvbuf(apduf, 0, _IONBF, 0);
142 sprintf(filename + strlen(filename), ".%d", getpid());
143 if (!(f = fopen(filename, "w")))
145 yaz_log(LOG_WARN|LOG_ERRNO, "%s", filename);
148 setvbuf(f, 0, _IONBF, 0);
150 odr_setprint(anew->print, f);
155 anew->input_buffer = 0;
156 anew->input_buffer_len = 0;
158 anew->state = ASSOC_NEW;
159 request_initq(&anew->incoming);
160 request_initq(&anew->outgoing);
161 anew->proto = cs_getproto(link);
166 * Free association and release resources.
168 void destroy_association(association *h)
170 statserv_options_block *cb = statserv_getcontrol();
173 odr_destroy(h->decode);
174 odr_destroy(h->encode);
176 odr_destroy(h->print);
178 xfree(h->input_buffer);
180 (*cb->bend_close)(h->backend);
181 while (request_deq(&h->incoming));
182 while (request_deq(&h->outgoing));
183 request_delq(&h->incoming);
184 request_delq(&h->outgoing);
186 xmalloc_trav("session closed");
187 if (control_block && control_block->one_shot)
193 static void do_close_req(association *a, int reason, char *message,
197 Z_Close *cls = zget_Close(a->encode);
199 /* Purge request queue */
200 while (request_deq(&a->incoming));
201 while (request_deq(&a->outgoing));
204 yaz_log(LOG_LOG, "Sending Close PDU, reason=%d, message=%s",
205 reason, message ? message : "none");
206 apdu.which = Z_APDU_close;
208 *cls->closeReason = reason;
209 cls->diagnosticInformation = message;
210 process_z_response(a, req, &apdu);
211 iochan_settimeout(a->client_chan, 20);
215 yaz_log(LOG_DEBUG, "v2 client. No Close PDU");
216 iochan_setevent(a->client_chan, EVENT_TIMEOUT); /* force imm close */
218 a->state = ASSOC_DEAD;
221 static void do_close(association *a, int reason, char *message)
223 do_close_req (a, reason, message, request_get(&a->outgoing));
227 * This is where PDUs from the client are read and the further
228 * processing is initiated. Flow of control moves down through the
229 * various process_* functions below, until the encoded result comes back up
230 * to the output handler in here.
232 * h : the I/O channel that has an outstanding event.
233 * event : the current outstanding event.
235 void ir_session(IOCHAN h, int event)
238 association *assoc = (association *)iochan_getdata(h);
239 COMSTACK conn = assoc->client_link;
242 assert(h && conn && assoc);
243 if (event == EVENT_TIMEOUT)
245 if (assoc->state != ASSOC_UP)
247 yaz_log(LOG_LOG, "Final timeout - closing connection.");
249 destroy_association(assoc);
254 yaz_log(LOG_LOG, "Session idle too long. Sending close.");
255 do_close(assoc, Z_Close_lackOfActivity, 0);
259 if (event & assoc->cs_accept_mask)
261 yaz_log (LOG_DEBUG, "ir_session (accept)");
262 if (!cs_accept (conn))
264 yaz_log (LOG_LOG, "accept failed");
265 destroy_association(assoc);
268 iochan_clearflag (h, EVENT_OUTPUT|EVENT_OUTPUT);
269 if (conn->io_pending)
270 { /* cs_accept didn't complete */
271 assoc->cs_accept_mask =
272 ((conn->io_pending & CS_WANT_WRITE) ? EVENT_OUTPUT : 0) |
273 ((conn->io_pending & CS_WANT_READ) ? EVENT_INPUT : 0);
275 iochan_setflag (h, assoc->cs_accept_mask);
278 { /* cs_accept completed. Prepare for reading (cs_get) */
279 assoc->cs_accept_mask = 0;
280 assoc->cs_get_mask = EVENT_INPUT;
281 iochan_setflag (h, assoc->cs_get_mask);
285 if ((event & assoc->cs_get_mask) || (event & EVENT_WORK)) /* input */
287 if ((assoc->cs_put_mask & EVENT_INPUT) == 0 && (event & assoc->cs_get_mask))
289 yaz_log(LOG_DEBUG, "ir_session (input)");
290 /* We aren't speaking to this fellow */
291 if (assoc->state == ASSOC_DEAD)
293 yaz_log(LOG_LOG, "Connection closed - end of session");
295 destroy_association(assoc);
299 assoc->cs_get_mask = EVENT_INPUT;
300 if ((res = cs_get(conn, &assoc->input_buffer,
301 &assoc->input_buffer_len)) <= 0)
303 yaz_log(LOG_LOG, "Connection closed by client");
305 destroy_association(assoc);
309 else if (res == 1) /* incomplete read - wait for more */
311 if (conn->io_pending & CS_WANT_WRITE)
312 assoc->cs_get_mask |= EVENT_OUTPUT;
313 iochan_setflag(h, assoc->cs_get_mask);
316 if (cs_more(conn)) /* more stuff - call us again later, please */
317 iochan_setevent(h, EVENT_INPUT);
319 /* we got a complete PDU. Let's decode it */
320 yaz_log(LOG_DEBUG, "Got PDU, %d bytes: lead=%02X %02X %02X", res,
321 assoc->input_buffer[0] & 0xff,
322 assoc->input_buffer[1] & 0xff,
323 assoc->input_buffer[2] & 0xff);
324 req = request_get(&assoc->incoming); /* get a new request */
325 odr_reset(assoc->decode);
326 odr_setbuf(assoc->decode, assoc->input_buffer, res, 0);
327 if (!z_GDU(assoc->decode, &req->gdu_request, 0, 0))
329 yaz_log(LOG_LOG, "ODR error on incoming PDU: %s [near byte %d] ",
330 odr_errmsg(odr_geterror(assoc->decode)),
331 odr_offset(assoc->decode));
332 if (assoc->decode->error != OHTTP)
334 yaz_log(LOG_LOG, "PDU dump:");
335 odr_dumpBER(yaz_log_file(), assoc->input_buffer, res);
336 do_close(assoc, Z_Close_protocolError, "Malformed package");
340 Z_GDU *p = z_get_HTTP_Response(assoc->encode, 400);
341 assoc->state = ASSOC_DEAD;
342 process_gdu_response(assoc, req, p);
346 req->request_mem = odr_extract_mem(assoc->decode);
347 if (assoc->print && !z_GDU(assoc->print, &req->gdu_request, 0, 0))
349 yaz_log(LOG_WARN, "ODR print error: %s",
350 odr_errmsg(odr_geterror(assoc->print)));
351 odr_reset(assoc->print);
353 request_enq(&assoc->incoming, req);
356 /* can we do something yet? */
357 req = request_head(&assoc->incoming);
358 if (req->state == REQUEST_IDLE)
360 request_deq(&assoc->incoming);
361 process_gdu_request(assoc, req);
364 if (event & assoc->cs_put_mask)
366 request *req = request_head(&assoc->outgoing);
368 assoc->cs_put_mask = 0;
369 yaz_log(LOG_DEBUG, "ir_session (output)");
370 req->state = REQUEST_PENDING;
371 switch (res = cs_put(conn, req->response, req->len_response))
374 yaz_log(LOG_LOG, "Connection closed by client");
376 destroy_association(assoc);
379 case 0: /* all sent - release the request structure */
380 yaz_log(LOG_DEBUG, "Wrote PDU, %d bytes", req->len_response);
382 yaz_log(LOG_DEBUG, "HTTP out:\n%.*s", req->len_response,
385 nmem_destroy(req->request_mem);
386 request_deq(&assoc->outgoing);
387 request_release(req);
388 if (!request_head(&assoc->outgoing))
389 { /* restore mask for cs_get operation ... */
390 iochan_clearflag(h, EVENT_OUTPUT|EVENT_INPUT);
391 iochan_setflag(h, assoc->cs_get_mask);
392 if (assoc->state == ASSOC_DEAD)
393 iochan_setevent(assoc->client_chan, EVENT_TIMEOUT);
397 assoc->cs_put_mask = EVENT_OUTPUT;
401 if (conn->io_pending & CS_WANT_WRITE)
402 assoc->cs_put_mask |= EVENT_OUTPUT;
403 if (conn->io_pending & CS_WANT_READ)
404 assoc->cs_put_mask |= EVENT_INPUT;
405 iochan_setflag(h, assoc->cs_put_mask);
408 if (event & EVENT_EXCEPT)
410 yaz_log(LOG_LOG, "ir_session (exception)");
412 destroy_association(assoc);
417 static int process_z_request(association *assoc, request *req, char **msg);
419 static void assoc_init_reset(association *assoc)
422 assoc->init = (bend_initrequest *) xmalloc (sizeof(*assoc->init));
424 assoc->init->stream = assoc->encode;
425 assoc->init->print = assoc->print;
426 assoc->init->auth = 0;
427 assoc->init->referenceId = 0;
428 assoc->init->implementation_version = 0;
429 assoc->init->implementation_id = 0;
430 assoc->init->implementation_name = 0;
431 assoc->init->bend_sort = NULL;
432 assoc->init->bend_search = NULL;
433 assoc->init->bend_present = NULL;
434 assoc->init->bend_esrequest = NULL;
435 assoc->init->bend_delete = NULL;
436 assoc->init->bend_scan = NULL;
437 assoc->init->bend_segment = NULL;
438 assoc->init->bend_fetch = NULL;
439 assoc->init->bend_explain = NULL;
441 assoc->init->charneg_request = NULL;
442 assoc->init->charneg_response = NULL;
444 assoc->init->decode = assoc->decode;
445 assoc->init->peer_name =
446 odr_strdup (assoc->encode, cs_addrstr(assoc->client_link));
449 static int srw_bend_init(association *assoc)
451 const char *encoding = "UTF-8";
453 bend_initresult *binitres;
454 statserv_options_block *cb = statserv_getcontrol();
456 assoc_init_reset(assoc);
458 assoc->maximumRecordSize = 3000000;
459 assoc->preferredMessageSize = 3000000;
461 ce = yaz_set_proposal_charneg(assoc->decode, &encoding, 1, 0, 0, 1);
462 assoc->init->charneg_request = ce->u.charNeg3;
464 if (!(binitres = (*cb->bend_init)(assoc->init)))
466 yaz_log(LOG_WARN, "Bad response from backend.");
469 assoc->backend = binitres->handle;
473 static int srw_bend_fetch(association *assoc, int pos,
474 Z_SRW_searchRetrieveRequest *srw_req,
475 Z_SRW_record *record)
478 ODR o = assoc->encode;
480 rr.setname = "default";
483 rr.request_format = VAL_TEXT_XML;
484 rr.request_format_raw = yaz_oidval_to_z3950oid(assoc->decode,
487 rr.comp = (Z_RecordComposition *)
488 odr_malloc(assoc->decode, sizeof(*rr.comp));
489 rr.comp->which = Z_RecordComp_complex;
490 rr.comp->u.complex = (Z_CompSpec *)
491 odr_malloc(assoc->decode, sizeof(Z_CompSpec));
492 rr.comp->u.complex->selectAlternativeSyntax = (bool_t *)
493 odr_malloc(assoc->encode, sizeof(bool_t));
494 *rr.comp->u.complex->selectAlternativeSyntax = 0;
495 rr.comp->u.complex->num_dbSpecific = 0;
496 rr.comp->u.complex->dbSpecific = 0;
497 rr.comp->u.complex->num_recordSyntax = 0;
498 rr.comp->u.complex->recordSyntax = 0;
500 rr.comp->u.complex->generic = (Z_Specification *)
501 odr_malloc(assoc->decode, sizeof(Z_Specification));
502 rr.comp->u.complex->generic->which = Z_Schema_uri;
503 rr.comp->u.complex->generic->schema.uri = srw_req->recordSchema;
504 rr.comp->u.complex->generic->elementSpec = 0;
506 rr.stream = assoc->encode;
507 rr.print = assoc->print;
513 rr.output_format = VAL_TEXT_XML;
514 rr.output_format_raw = 0;
517 rr.surrogate_flag = 0;
519 if (!assoc->init->bend_fetch)
522 (*assoc->init->bend_fetch)(assoc->backend, &rr);
526 record->recordData_buf = rr.record;
527 record->recordData_len = rr.len;
528 record->recordPosition = odr_intdup(o, pos);
529 record->recordSchema = 0;
530 if (srw_req->recordSchema)
531 record->recordSchema = odr_strdup(o, srw_req->recordSchema);
536 static void srw_bend_search(association *assoc, request *req,
537 Z_SRW_searchRetrieveRequest *srw_req,
538 Z_SRW_searchRetrieveResponse *srw_res)
544 yaz_log(LOG_LOG, "Got SRW SearchRetrieveRequest");
545 yaz_log(LOG_DEBUG, "srw_bend_search");
548 yaz_log(LOG_DEBUG, "srw_bend_init");
549 if (!srw_bend_init(assoc))
551 srw_error = 3; /* assume Authentication error */
553 srw_res->num_diagnostics = 1;
554 srw_res->diagnostics = (Z_SRW_diagnostic *)
555 odr_malloc(assoc->encode, sizeof(*srw_res->diagnostics));
556 srw_res->diagnostics[0].code =
557 odr_intdup(assoc->encode, srw_error);
558 srw_res->diagnostics[0].details = 0;
563 rr.setname = "default";
566 rr.basenames = &srw_req->database;
569 rr.query = (Z_Query *) odr_malloc (assoc->decode, sizeof(*rr.query));
571 if (srw_req->query_type == Z_SRW_query_type_cql)
573 ext = (Z_External *) odr_malloc(assoc->decode, sizeof(*ext));
574 ext->direct_reference = odr_getoidbystr(assoc->decode,
575 "1.2.840.10003.16.2");
576 ext->indirect_reference = 0;
578 ext->which = Z_External_CQL;
579 ext->u.cql = srw_req->query.cql;
581 rr.query->which = Z_Query_type_104;
582 rr.query->u.type_104 = ext;
584 else if (srw_req->query_type == Z_SRW_query_type_pqf)
586 Z_RPNQuery *RPNquery;
587 YAZ_PQF_Parser pqf_parser;
589 pqf_parser = yaz_pqf_create ();
591 RPNquery = yaz_pqf_parse (pqf_parser, assoc->decode,
597 int code = yaz_pqf_error (pqf_parser, &pqf_msg, &off);
598 yaz_log(LOG_LOG, "%*s^\n", off+4, "");
599 yaz_log(LOG_LOG, "Bad PQF: %s (code %d)\n", pqf_msg, code);
604 rr.query->which = Z_Query_type_1;
605 rr.query->u.type_1 = RPNquery;
607 yaz_pqf_destroy (pqf_parser);
612 if (!srw_error && srw_req->sort_type != Z_SRW_sort_type_none)
615 if (!srw_error && !assoc->init->bend_search)
620 yaz_log(LOG_DEBUG, "srw_bend_search returned SRW error %d", srw_error);
621 srw_res->num_diagnostics = 1;
622 srw_res->diagnostics = (Z_SRW_diagnostic *)
623 odr_malloc(assoc->encode, sizeof(*srw_res->diagnostics));
624 srw_res->diagnostics[0].code =
625 odr_intdup(assoc->encode, srw_error);
626 srw_res->diagnostics[0].details = 0;
630 rr.stream = assoc->encode;
631 rr.decode = assoc->decode;
632 rr.print = assoc->print;
634 rr.association = assoc;
640 yaz_log_zquery(rr.query);
641 (assoc->init->bend_search)(assoc->backend, &rr);
642 srw_res->numberOfRecords = odr_intdup(assoc->encode, rr.hits);
645 yaz_log(LOG_DEBUG, "bend_search returned Bib-1 code %d", rr.errcode);
646 srw_res->num_diagnostics = 1;
647 srw_res->diagnostics = (Z_SRW_diagnostic *)
648 odr_malloc(assoc->encode, sizeof(*srw_res->diagnostics));
649 srw_res->diagnostics[0].code =
650 odr_intdup(assoc->encode,
651 yaz_diag_bib1_to_srw (rr.errcode));
652 srw_res->diagnostics[0].details = rr.errstring;
653 yaz_log(LOG_DEBUG, "srw_bend_search returned SRW error %d",
654 *srw_res->diagnostics[0].code);
659 srw_res->numberOfRecords = odr_intdup(assoc->encode, rr.hits);
660 if (srw_req->maximumRecords && *srw_req->maximumRecords > 0)
662 int number = *srw_req->maximumRecords;
666 if (srw_req->startRecord)
667 start = *srw_req->startRecord;
669 yaz_log(LOG_DEBUG, "srw_bend_search. start=%d max=%d",
670 start, *srw_req->maximumRecords);
672 if (start <= rr.hits)
675 int packing = Z_SRW_recordPacking_string;
676 if (start + number > rr.hits)
677 number = rr.hits - start + 1;
678 if (srw_req->recordPacking &&
679 !strcmp(srw_req->recordPacking, "xml"))
680 packing = Z_SRW_recordPacking_XML;
681 srw_res->records = (Z_SRW_record *)
682 odr_malloc(assoc->encode,
683 number * sizeof(*srw_res->records));
684 for (i = 0; i<number; i++)
688 srw_res->records[j].recordPacking = packing;
689 srw_res->records[j].recordData_buf = 0;
690 yaz_log(LOG_DEBUG, "srw_bend_fetch %d", i+start);
691 errcode = srw_bend_fetch(assoc, i+start, srw_req,
692 srw_res->records + j);
695 srw_res->num_diagnostics = 1;
696 srw_res->diagnostics = (Z_SRW_diagnostic *)
697 odr_malloc(assoc->encode,
698 sizeof(*srw_res->diagnostics));
699 srw_res->diagnostics[0].code =
700 odr_intdup(assoc->encode,
701 yaz_diag_bib1_to_srw (errcode));
702 srw_res->diagnostics[0].details = rr.errstring;
705 if (srw_res->records[j].recordData_buf)
708 srw_res->num_records = j;
710 srw_res->records = 0;
717 static void srw_bend_explain(association *assoc, request *req,
718 Z_SRW_explainRequest *srw_req,
719 Z_SRW_explainResponse *srw_res)
721 yaz_log(LOG_LOG, "Got SRW ExplainRequest");
724 yaz_log(LOG_DEBUG, "srw_bend_init");
725 if (!srw_bend_init(assoc))
728 if (assoc->init && assoc->init->bend_explain)
732 rr.stream = assoc->encode;
733 rr.decode = assoc->decode;
734 rr.print = assoc->print;
736 (*assoc->init->bend_explain)(assoc->backend, &rr);
739 srw_res->explainData_buf = rr.explain_buf;
740 srw_res->explainData_len = strlen(rr.explain_buf);
745 static int hex_digit (int ch)
747 if (ch >= '0' && ch <= '9')
749 else if (ch >= 'a' && ch <= 'f')
751 else if (ch >= 'A' && ch <= 'F')
756 static char *uri_val(const char *path, const char *name, ODR o)
758 size_t nlen = strlen(name);
762 while (path && *path)
764 const char *p1 = strchr(path, '=');
767 if (p1 - path == nlen && !memcmp(path, name, nlen))
773 p1 = strchr(path, '&');
775 p1 = strlen(path) + path;
776 ret = odr_malloc(o, p1 - path + 1);
777 while (*path && *path != '&')
784 else if (*path == '%' && path[1] && path[2])
786 ret[i++] = hex_digit (path[1])*16 + hex_digit (path[2]);
795 path = strchr(p1, '&');
802 void uri_val_int(const char *path, const char *name, ODR o, int **intp)
804 const char *v = uri_val(path, name, o);
806 *intp = odr_intdup(o, atoi(v));
809 static void process_http_request(association *assoc, request *req)
811 Z_HTTP_Request *hreq = req->gdu_request->u.HTTP_Request;
812 ODR o = assoc->encode;
814 Z_HTTP_Response *hres = 0;
817 if (!strcmp(hreq->method, "GET"))
821 Z_SOAP *soap_package = 0;
822 char *db = "Default";
823 const char *p0 = hreq->path, *p1;
824 static Z_SOAP_Handler soap_handlers[2] = {
826 {"http://www.loc.gov/zing/srw/v1.0/", 0,
827 (Z_SOAP_fun) yaz_srw_codec},
834 p1 = strchr(p0, '?');
836 p1 = p0 + strlen(p0);
839 db = odr_malloc(assoc->decode, p1 - p0 + 1);
840 memcpy (db, p0, p1 - p0);
844 if (p1 && *p1 == '?' && p1[1])
846 Z_SRW_PDU *res = yaz_srw_get(o, Z_SRW_searchRetrieve_response);
847 Z_SRW_PDU *sr = yaz_srw_get(o, Z_SRW_searchRetrieve_request);
848 char *query = uri_val(p1, "query", o);
849 char *pQuery = uri_val(p1, "pQuery", o);
850 char *sortKeys = uri_val(p1, "sortKeys", o);
854 sr->u.request->query_type = Z_SRW_query_type_cql;
855 sr->u.request->query.cql = query;
859 sr->u.request->query_type = Z_SRW_query_type_pqf;
860 sr->u.request->query.pqf = pQuery;
864 sr->u.request->sort_type = Z_SRW_sort_type_sort;
865 sr->u.request->sort.sortKeys = sortKeys;
867 sr->u.request->recordSchema = uri_val(p1, "recordSchema", o);
868 sr->u.request->recordPacking = uri_val(p1, "recordPacking", o);
869 if (!sr->u.request->recordPacking)
870 sr->u.request->recordPacking = "xml";
871 uri_val_int(p1, "maximumRecords", o,
872 &sr->u.request->maximumRecords);
873 uri_val_int(p1, "startRecord", o,
874 &sr->u.request->startRecord);
875 if (sr->u.request->startRecord)
876 yaz_log(LOG_LOG, "startRecord=%d", *sr->u.request->startRecord);
877 sr->u.request->database = db;
878 srw_bend_search(assoc, req, sr->u.request, res->u.response);
880 soap_package = odr_malloc(o, sizeof(*soap_package));
881 soap_package->which = Z_SOAP_generic;
883 soap_package->u.generic =
884 odr_malloc(o, sizeof(*soap_package->u.generic));
886 soap_package->u.generic->p = res;
887 soap_package->u.generic->ns = soap_handlers[0].ns;
888 soap_package->u.generic->no = 0;
890 soap_package->ns = "SRU";
892 p = z_get_HTTP_Response(o, 200);
893 hres = p->u.HTTP_Response;
895 ret = z_soap_codec_enc(assoc->encode, &soap_package,
896 &hres->content_buf, &hres->content_len,
897 soap_handlers, charset);
899 z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/xml");
903 strcpy(ctype, "text/xml; charset=");
904 strcat(ctype, charset);
905 z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
911 Z_SRW_PDU *res = yaz_srw_get(o, Z_SRW_explain_response);
912 Z_SRW_PDU *sr = yaz_srw_get(o, Z_SRW_explain_request);
914 srw_bend_explain(assoc, req, sr->u.explain_request,
915 res->u.explain_response);
917 if (res->u.explain_response->explainData_buf)
919 soap_package = odr_malloc(o, sizeof(*soap_package));
920 soap_package->which = Z_SOAP_generic;
922 soap_package->u.generic =
923 odr_malloc(o, sizeof(*soap_package->u.generic));
925 soap_package->u.generic->p = res;
926 soap_package->u.generic->ns = soap_handlers[0].ns;
927 soap_package->u.generic->no = 0;
929 soap_package->ns = "SRU";
931 p = z_get_HTTP_Response(o, 200);
932 hres = p->u.HTTP_Response;
934 ret = z_soap_codec_enc(assoc->encode, &soap_package,
935 &hres->content_buf, &hres->content_len,
936 soap_handlers, charset);
938 z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/xml");
942 strcpy(ctype, "text/xml; charset=");
943 strcat(ctype, charset);
944 z_HTTP_header_add(o, &hres->headers, "Content-Type",
951 if (strlen(hreq->path) >= 5 && strlen(hreq->path) < 80 &&
952 !memcmp(hreq->path, "/doc/", 5))
957 strcpy(fpath, DOCDIR);
958 strcat(fpath, hreq->path+4);
959 f = fopen(fpath, "rb");
962 if (fstat(fileno(f), &sbuf) || !S_ISREG(sbuf.st_mode))
971 fseek(f, 0L, SEEK_END);
973 if (sz >= 0 && sz < 500000)
975 const char *ctype = "application/octet-stream";
978 p = z_get_HTTP_Response(o, 200);
979 hres = p->u.HTTP_Response;
980 hres->content_buf = (char *) odr_malloc(o, sz + 1);
981 hres->content_len = sz;
982 fseek(f, 0L, SEEK_SET);
983 fread(hres->content_buf, 1, sz, f);
984 if ((cp = strrchr(fpath, '.'))) {
986 if (!strcmp(cp, "png"))
988 else if (!strcmp(cp, "gif"))
990 else if (!strcmp(cp, "xml"))
992 else if (!strcmp(cp, "html"))
995 z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
1003 if (!strcmp(hreq->path, "/"))
1008 const char *doclink = "";
1009 p = z_get_HTTP_Response(o, 200);
1010 hres = p->u.HTTP_Response;
1011 hres->content_buf = (char *) odr_malloc(o, 400);
1013 if (stat(DOCDIR "/yaz.html", &sbuf) == 0 && S_ISREG(sbuf.st_mode))
1014 doclink = "<P><A HREF=\"/doc/yaz.html\">Documentation</A></P>";
1016 sprintf (hres->content_buf,
1017 "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n"
1020 " <TITLE>YAZ " YAZ_VERSION "</TITLE>\n"
1023 " <P><A HREF=\"http://www.indexdata.dk/yaz/\">YAZ</A> "
1024 YAZ_VERSION "</P>\n"
1027 "</HTML>\n", doclink);
1028 hres->content_len = strlen(hres->content_buf);
1029 z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/html");
1035 p = z_get_HTTP_Response(o, 404);
1038 else if (!strcmp(hreq->method, "POST"))
1040 const char *content_type = z_HTTP_header_lookup(hreq->headers,
1042 if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
1044 Z_SOAP *soap_package = 0;
1046 int http_code = 500;
1047 const char *charset_p = 0;
1050 static Z_SOAP_Handler soap_handlers[2] = {
1052 {"http://www.loc.gov/zing/srw/v1.0/", 0,
1053 (Z_SOAP_fun) yaz_srw_codec},
1057 if ((charset_p = strstr(content_type, "; charset=")))
1061 while (i < 20 && charset_p[i] &&
1062 !strchr("; \n\r", charset_p[i]))
1064 charset = odr_malloc(assoc->encode, i+1);
1065 memcpy(charset, charset_p, i);
1067 yaz_log(LOG_LOG, "SOAP encoding %s", charset);
1069 ret = z_soap_codec(assoc->decode, &soap_package,
1070 &hreq->content_buf, &hreq->content_len,
1073 if (!ret && soap_package->which == Z_SOAP_generic &&
1074 soap_package->u.generic->no == 0)
1077 Z_SRW_PDU *sr = soap_package->u.generic->p;
1079 if (sr->which == Z_SRW_searchRetrieve_request)
1082 yaz_srw_get(assoc->encode,
1083 Z_SRW_searchRetrieve_response);
1085 if (!sr->u.request->database)
1087 const char *p0 = hreq->path, *p1;
1090 p1 = strchr(p0, '?');
1092 p1 = p0 + strlen(p0);
1095 sr->u.request->database =
1096 odr_malloc(assoc->decode, p1 - p0 + 1);
1097 memcpy (sr->u.request->database, p0, p1 - p0);
1098 sr->u.request->database[p1 - p0] = '\0';
1101 sr->u.request->database = "Default";
1103 srw_bend_search(assoc, req, sr->u.request,
1106 soap_package->u.generic->p = res;
1109 else if (sr->which == Z_SRW_explain_request)
1112 yaz_srw_get(assoc->encode, Z_SRW_explain_response);
1114 srw_bend_explain(assoc, req, sr->u.explain_request,
1115 res->u.explain_response);
1116 if (!res->u.explain_response->explainData_buf)
1118 z_soap_error(assoc->encode, soap_package,
1119 "SOAP-ENV:Client", "Explain Not Supported", 0);
1123 soap_package->u.generic->p = res;
1129 z_soap_error(assoc->encode, soap_package,
1130 "SOAP-ENV:Client", "Bad method", 0);
1134 p = z_get_HTTP_Response(o, 200);
1135 hres = p->u.HTTP_Response;
1136 ret = z_soap_codec_enc(assoc->encode, &soap_package,
1137 &hres->content_buf, &hres->content_len,
1138 soap_handlers, charset);
1139 hres->code = http_code;
1141 z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/xml");
1145 strcpy(ctype, "text/xml; charset=");
1146 strcat(ctype, charset);
1147 z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
1150 if (!p) /* still no response ? */
1151 p = z_get_HTTP_Response(o, 500);
1155 p = z_get_HTTP_Response(o, 405);
1156 hres = p->u.HTTP_Response;
1158 z_HTTP_header_add(o, &hres->headers, "Allow", "GET, POST");
1160 hres = p->u.HTTP_Response;
1161 if (!strcmp(hreq->version, "1.0"))
1163 const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
1164 if (v && !strcmp(v, "Keep-Alive"))
1168 hres->version = "1.0";
1172 const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
1173 if (v && !strcmp(v, "close"))
1177 hres->version = "1.1";
1181 z_HTTP_header_add(o, &hres->headers, "Connection", "close");
1182 assoc->state = ASSOC_DEAD;
1187 const char *alive = z_HTTP_header_lookup(hreq->headers, "Keep-Alive");
1189 if (alive && isdigit(*alive))
1193 if (t < 0 || t > 3600)
1195 iochan_settimeout(assoc->client_chan,t);
1196 z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive");
1198 process_gdu_response(assoc, req, p);
1201 static void process_gdu_request(association *assoc, request *req)
1203 if (req->gdu_request->which == Z_GDU_Z3950)
1206 req->apdu_request = req->gdu_request->u.z3950;
1207 if (process_z_request(assoc, req, &msg) < 0)
1208 do_close_req(assoc, Z_Close_systemProblem, msg, req);
1210 else if (req->gdu_request->which == Z_GDU_HTTP_Request)
1211 process_http_request(assoc, req);
1214 do_close_req(assoc, Z_Close_systemProblem, "bad protocol packet", req);
1219 * Initiate request processing.
1221 static int process_z_request(association *assoc, request *req, char **msg)
1227 *msg = "Unknown Error";
1228 assert(req && req->state == REQUEST_IDLE);
1229 if (req->apdu_request->which != Z_APDU_initRequest && !assoc->init)
1231 *msg = "Missing InitRequest";
1234 switch (req->apdu_request->which)
1236 case Z_APDU_initRequest:
1237 iochan_settimeout(assoc->client_chan,
1238 statserv_getcontrol()->idle_timeout * 60);
1239 res = process_initRequest(assoc, req); break;
1240 case Z_APDU_searchRequest:
1241 res = process_searchRequest(assoc, req, &fd); break;
1242 case Z_APDU_presentRequest:
1243 res = process_presentRequest(assoc, req, &fd); break;
1244 case Z_APDU_scanRequest:
1245 if (assoc->init->bend_scan)
1246 res = process_scanRequest(assoc, req, &fd);
1249 *msg = "Cannot handle Scan APDU";
1253 case Z_APDU_extendedServicesRequest:
1254 if (assoc->init->bend_esrequest)
1255 res = process_ESRequest(assoc, req, &fd);
1258 *msg = "Cannot handle Extended Services APDU";
1262 case Z_APDU_sortRequest:
1263 if (assoc->init->bend_sort)
1264 res = process_sortRequest(assoc, req, &fd);
1267 *msg = "Cannot handle Sort APDU";
1272 process_close(assoc, req);
1274 case Z_APDU_deleteResultSetRequest:
1275 if (assoc->init->bend_delete)
1276 res = process_deleteRequest(assoc, req, &fd);
1279 *msg = "Cannot handle Delete APDU";
1283 case Z_APDU_segmentRequest:
1284 if (assoc->init->bend_segment)
1286 res = process_segmentRequest (assoc, req);
1290 *msg = "Cannot handle Segment APDU";
1295 *msg = "Bad APDU received";
1300 yaz_log(LOG_DEBUG, " result immediately available");
1301 retval = process_z_response(assoc, req, res);
1305 yaz_log(LOG_DEBUG, " result unavailble");
1308 else /* no result yet - one will be provided later */
1312 /* Set up an I/O handler for the fd supplied by the backend */
1314 yaz_log(LOG_DEBUG, " establishing handler for result");
1315 req->state = REQUEST_PENDING;
1316 if (!(chan = iochan_create(fd, backend_response, EVENT_INPUT)))
1318 iochan_setdata(chan, assoc);
1325 * Handle message from the backend.
1327 void backend_response(IOCHAN i, int event)
1329 association *assoc = (association *)iochan_getdata(i);
1330 request *req = request_head(&assoc->incoming);
1334 yaz_log(LOG_DEBUG, "backend_response");
1335 assert(assoc && req && req->state != REQUEST_IDLE);
1336 /* determine what it is we're waiting for */
1337 switch (req->apdu_request->which)
1339 case Z_APDU_searchRequest:
1340 res = response_searchRequest(assoc, req, 0, &fd); break;
1342 case Z_APDU_presentRequest:
1343 res = response_presentRequest(assoc, req, 0, &fd); break;
1344 case Z_APDU_scanRequest:
1345 res = response_scanRequest(assoc, req, 0, &fd); break;
1348 yaz_log(LOG_WARN, "Serious programmer's lapse or bug");
1351 if ((res && process_z_response(assoc, req, res) < 0) || fd < 0)
1353 yaz_log(LOG_LOG, "Fatal error when talking to backend");
1354 do_close(assoc, Z_Close_systemProblem, 0);
1358 else if (!res) /* no result yet - try again later */
1360 yaz_log(LOG_DEBUG, " no result yet");
1361 iochan_setfd(i, fd); /* in case fd has changed */
1366 * Encode response, and transfer the request structure to the outgoing queue.
1368 static int process_gdu_response(association *assoc, request *req, Z_GDU *res)
1370 odr_setbuf(assoc->encode, req->response, req->size_response, 1);
1372 if (assoc->print && !z_GDU(assoc->print, &res, 0, 0))
1374 yaz_log(LOG_WARN, "ODR print error: %s",
1375 odr_errmsg(odr_geterror(assoc->print)));
1376 odr_reset(assoc->print);
1378 if (!z_GDU(assoc->encode, &res, 0, 0))
1380 yaz_log(LOG_WARN, "ODR error when encoding response: %s",
1381 odr_errmsg(odr_geterror(assoc->decode)));
1384 req->response = odr_getbuf(assoc->encode, &req->len_response,
1385 &req->size_response);
1386 odr_setbuf(assoc->encode, 0, 0, 0); /* don'txfree if we abort later */
1387 odr_reset(assoc->encode);
1388 req->state = REQUEST_IDLE;
1389 request_enq(&assoc->outgoing, req);
1390 /* turn the work over to the ir_session handler */
1391 iochan_setflag(assoc->client_chan, EVENT_OUTPUT);
1392 assoc->cs_put_mask = EVENT_OUTPUT;
1393 /* Is there more work to be done? give that to the input handler too */
1395 if (request_head(&assoc->incoming))
1397 yaz_log (LOG_DEBUG, "more work to be done");
1398 iochan_setevent(assoc->client_chan, EVENT_WORK);
1405 * Encode response, and transfer the request structure to the outgoing queue.
1407 static int process_z_response(association *assoc, request *req, Z_APDU *res)
1409 Z_GDU *gres = (Z_GDU *) odr_malloc(assoc->encode, sizeof(*res));
1410 gres->which = Z_GDU_Z3950;
1411 gres->u.z3950 = res;
1413 return process_gdu_response(assoc, req, gres);
1418 * Handle init request.
1419 * At the moment, we don't check the options
1420 * anywhere else in the code - we just try not to do anything that would
1421 * break a naive client. We'll toss 'em into the association block when
1422 * we need them there.
1424 static Z_APDU *process_initRequest(association *assoc, request *reqb)
1426 statserv_options_block *cb = statserv_getcontrol();
1427 Z_InitRequest *req = reqb->apdu_request->u.initRequest;
1428 Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_initResponse);
1429 Z_InitResponse *resp = apdu->u.initResponse;
1430 bend_initresult *binitres;
1434 yaz_log(LOG_LOG, "Got initRequest");
1435 if (req->implementationId)
1436 yaz_log(LOG_LOG, "Id: %s", req->implementationId);
1437 if (req->implementationName)
1438 yaz_log(LOG_LOG, "Name: %s", req->implementationName);
1439 if (req->implementationVersion)
1440 yaz_log(LOG_LOG, "Version: %s", req->implementationVersion);
1442 assoc_init_reset(assoc);
1444 assoc->init->auth = req->idAuthentication;
1445 assoc->init->referenceId = req->referenceId;
1447 if (ODR_MASK_GET(req->options, Z_Options_negotiationModel))
1449 Z_CharSetandLanguageNegotiation *negotiation =
1450 yaz_get_charneg_record (req->otherInfo);
1451 if (negotiation->which == Z_CharSetandLanguageNegotiation_proposal)
1452 assoc->init->charneg_request = negotiation;
1455 if (!(binitres = (*cb->bend_init)(assoc->init)))
1457 yaz_log(LOG_WARN, "Bad response from backend.");
1461 assoc->backend = binitres->handle;
1462 if ((assoc->init->bend_sort))
1463 yaz_log (LOG_DEBUG, "Sort handler installed");
1464 if ((assoc->init->bend_search))
1465 yaz_log (LOG_DEBUG, "Search handler installed");
1466 if ((assoc->init->bend_present))
1467 yaz_log (LOG_DEBUG, "Present handler installed");
1468 if ((assoc->init->bend_esrequest))
1469 yaz_log (LOG_DEBUG, "ESRequest handler installed");
1470 if ((assoc->init->bend_delete))
1471 yaz_log (LOG_DEBUG, "Delete handler installed");
1472 if ((assoc->init->bend_scan))
1473 yaz_log (LOG_DEBUG, "Scan handler installed");
1474 if ((assoc->init->bend_segment))
1475 yaz_log (LOG_DEBUG, "Segment handler installed");
1477 resp->referenceId = req->referenceId;
1479 /* let's tell the client what we can do */
1480 if (ODR_MASK_GET(req->options, Z_Options_search))
1482 ODR_MASK_SET(resp->options, Z_Options_search);
1483 strcat(options, "srch");
1485 if (ODR_MASK_GET(req->options, Z_Options_present))
1487 ODR_MASK_SET(resp->options, Z_Options_present);
1488 strcat(options, " prst");
1490 if (ODR_MASK_GET(req->options, Z_Options_delSet) &&
1491 assoc->init->bend_delete)
1493 ODR_MASK_SET(resp->options, Z_Options_delSet);
1494 strcat(options, " del");
1496 if (ODR_MASK_GET(req->options, Z_Options_extendedServices) &&
1497 assoc->init->bend_esrequest)
1499 ODR_MASK_SET(resp->options, Z_Options_extendedServices);
1500 strcat (options, " extendedServices");
1502 if (ODR_MASK_GET(req->options, Z_Options_namedResultSets))
1504 ODR_MASK_SET(resp->options, Z_Options_namedResultSets);
1505 strcat(options, " namedresults");
1507 if (ODR_MASK_GET(req->options, Z_Options_scan) && assoc->init->bend_scan)
1509 ODR_MASK_SET(resp->options, Z_Options_scan);
1510 strcat(options, " scan");
1512 if (ODR_MASK_GET(req->options, Z_Options_concurrentOperations))
1514 ODR_MASK_SET(resp->options, Z_Options_concurrentOperations);
1515 strcat(options, " concurrop");
1517 if (ODR_MASK_GET(req->options, Z_Options_sort) && assoc->init->bend_sort)
1519 ODR_MASK_SET(resp->options, Z_Options_sort);
1520 strcat(options, " sort");
1523 if (ODR_MASK_GET(req->options, Z_Options_negotiationModel)
1524 && assoc->init->charneg_response)
1526 Z_OtherInformation **p;
1527 Z_OtherInformationUnit *p0;
1529 yaz_oi_APDU(apdu, &p);
1531 if ((p0=yaz_oi_update(p, assoc->encode, NULL, 0, 0))) {
1532 ODR_MASK_SET(resp->options, Z_Options_negotiationModel);
1534 p0->which = Z_OtherInfo_externallyDefinedInfo;
1535 p0->information.externallyDefinedInfo =
1536 assoc->init->charneg_response;
1538 ODR_MASK_SET(resp->options, Z_Options_negotiationModel);
1539 strcat(options, " negotiation");
1542 if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_1))
1544 ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_1);
1545 assoc->version = 2; /* 1 & 2 are equivalent */
1547 if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_2))
1549 ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_2);
1552 if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_3))
1554 ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_3);
1558 yaz_log(LOG_LOG, "Negotiated to v%d: %s", assoc->version, options);
1559 assoc->maximumRecordSize = *req->maximumRecordSize;
1560 if (assoc->maximumRecordSize > control_block->maxrecordsize)
1561 assoc->maximumRecordSize = control_block->maxrecordsize;
1562 assoc->preferredMessageSize = *req->preferredMessageSize;
1563 if (assoc->preferredMessageSize > assoc->maximumRecordSize)
1564 assoc->preferredMessageSize = assoc->maximumRecordSize;
1566 resp->preferredMessageSize = &assoc->preferredMessageSize;
1567 resp->maximumRecordSize = &assoc->maximumRecordSize;
1569 resp->implementationName = "GFS/YAZ";
1571 if (assoc->init->implementation_id)
1574 odr_malloc (assoc->encode,
1575 strlen(assoc->init->implementation_id) + 10 +
1576 strlen(resp->implementationId));
1577 sprintf (nv, "%s / %s",
1578 resp->implementationId, assoc->init->implementation_id);
1579 resp->implementationId = nv;
1581 if (assoc->init->implementation_name)
1584 odr_malloc (assoc->encode,
1585 strlen(assoc->init->implementation_name) + 10 +
1586 strlen(resp->implementationName));
1587 sprintf (nv, "%s / %s",
1588 resp->implementationName, assoc->init->implementation_name);
1589 resp->implementationName = nv;
1591 if (assoc->init->implementation_version)
1594 odr_malloc (assoc->encode,
1595 strlen(assoc->init->implementation_version) + 10 +
1596 strlen(resp->implementationVersion));
1597 sprintf (nv, "YAZ %s / %s",
1598 resp->implementationVersion,
1599 assoc->init->implementation_version);
1600 resp->implementationVersion = nv;
1603 if (binitres->errcode)
1605 yaz_log(LOG_LOG, "Connection rejected by backend.");
1607 assoc->state = ASSOC_DEAD;
1610 assoc->state = ASSOC_UP;
1615 * These functions should be merged.
1618 static void set_addinfo (Z_DefaultDiagFormat *dr, char *addinfo, ODR odr)
1620 dr->which = Z_DefaultDiagFormat_v2Addinfo;
1621 dr->u.v2Addinfo = odr_strdup (odr, addinfo ? addinfo : "");
1625 * nonsurrogate diagnostic record.
1627 static Z_Records *diagrec(association *assoc, int error, char *addinfo)
1629 Z_Records *rec = (Z_Records *)
1630 odr_malloc (assoc->encode, sizeof(*rec));
1631 int *err = odr_intdup(assoc->encode, error);
1632 Z_DiagRec *drec = (Z_DiagRec *)
1633 odr_malloc (assoc->encode, sizeof(*drec));
1634 Z_DefaultDiagFormat *dr = (Z_DefaultDiagFormat *)
1635 odr_malloc (assoc->encode, sizeof(*dr));
1637 yaz_log(LOG_LOG, "[%d] %s %s%s", error, diagbib1_str(error),
1638 addinfo ? " -- " : "", addinfo ? addinfo : "");
1639 rec->which = Z_Records_NSD;
1640 rec->u.nonSurrogateDiagnostic = dr;
1641 dr->diagnosticSetId =
1642 yaz_oidval_to_z3950oid (assoc->encode, CLASS_DIAGSET, VAL_BIB1);
1643 dr->condition = err;
1644 set_addinfo (dr, addinfo, assoc->encode);
1649 * surrogate diagnostic.
1651 static Z_NamePlusRecord *surrogatediagrec(association *assoc, char *dbname,
1652 int error, char *addinfo)
1654 Z_NamePlusRecord *rec = (Z_NamePlusRecord *)
1655 odr_malloc (assoc->encode, sizeof(*rec));
1656 int *err = odr_intdup(assoc->encode, error);
1657 Z_DiagRec *drec = (Z_DiagRec *)odr_malloc (assoc->encode, sizeof(*drec));
1658 Z_DefaultDiagFormat *dr = (Z_DefaultDiagFormat *)
1659 odr_malloc (assoc->encode, sizeof(*dr));
1661 yaz_log(LOG_DEBUG, "SurrogateDiagnotic: %d -- %s", error, addinfo);
1662 rec->databaseName = dbname;
1663 rec->which = Z_NamePlusRecord_surrogateDiagnostic;
1664 rec->u.surrogateDiagnostic = drec;
1665 drec->which = Z_DiagRec_defaultFormat;
1666 drec->u.defaultFormat = dr;
1667 dr->diagnosticSetId =
1668 yaz_oidval_to_z3950oid (assoc->encode, CLASS_DIAGSET, VAL_BIB1);
1669 dr->condition = err;
1670 set_addinfo (dr, addinfo, assoc->encode);
1676 * multiple nonsurrogate diagnostics.
1678 static Z_DiagRecs *diagrecs(association *assoc, int error, char *addinfo)
1680 Z_DiagRecs *recs = (Z_DiagRecs *)odr_malloc (assoc->encode, sizeof(*recs));
1681 int *err = odr_intdup(assoc->encode, error);
1682 Z_DiagRec **recp = (Z_DiagRec **)odr_malloc (assoc->encode, sizeof(*recp));
1683 Z_DiagRec *drec = (Z_DiagRec *)odr_malloc (assoc->encode, sizeof(*drec));
1684 Z_DefaultDiagFormat *rec = (Z_DefaultDiagFormat *)
1685 odr_malloc (assoc->encode, sizeof(*rec));
1687 yaz_log(LOG_DEBUG, "DiagRecs: %d -- %s", error, addinfo ? addinfo : "");
1689 recs->num_diagRecs = 1;
1690 recs->diagRecs = recp;
1692 drec->which = Z_DiagRec_defaultFormat;
1693 drec->u.defaultFormat = rec;
1695 rec->diagnosticSetId =
1696 yaz_oidval_to_z3950oid (assoc->encode, CLASS_DIAGSET, VAL_BIB1);
1697 rec->condition = err;
1699 rec->which = Z_DefaultDiagFormat_v2Addinfo;
1700 rec->u.v2Addinfo = odr_strdup (assoc->encode, addinfo ? addinfo : "");
1704 static Z_Records *pack_records(association *a, char *setname, int start,
1705 int *num, Z_RecordComposition *comp,
1706 int *next, int *pres, oid_value format,
1707 Z_ReferenceId *referenceId,
1710 int recno, total_length = 0, toget = *num, dumped_records = 0;
1711 Z_Records *records =
1712 (Z_Records *) odr_malloc (a->encode, sizeof(*records));
1713 Z_NamePlusRecordList *reclist =
1714 (Z_NamePlusRecordList *) odr_malloc (a->encode, sizeof(*reclist));
1715 Z_NamePlusRecord **list =
1716 (Z_NamePlusRecord **) odr_malloc (a->encode, sizeof(*list) * toget);
1718 records->which = Z_Records_DBOSD;
1719 records->u.databaseOrSurDiagnostics = reclist;
1720 reclist->num_records = 0;
1721 reclist->records = list;
1722 *pres = Z_PRES_SUCCESS;
1726 yaz_log(LOG_LOG, "Request to pack %d+%d+%s", start, toget, setname);
1727 yaz_log(LOG_DEBUG, "pms=%d, mrs=%d", a->preferredMessageSize,
1728 a->maximumRecordSize);
1729 for (recno = start; reclist->num_records < toget; recno++)
1732 Z_NamePlusRecord *thisrec;
1733 int this_length = 0;
1735 * we get the number of bytes allocated on the stream before any
1736 * allocation done by the backend - this should give us a reasonable
1737 * idea of the total size of the data so far.
1739 total_length = odr_total(a->encode) - dumped_records;
1745 freq.last_in_set = 0;
1746 freq.setname = setname;
1747 freq.surrogate_flag = 0;
1748 freq.number = recno;
1750 freq.request_format = format;
1751 freq.request_format_raw = oid;
1752 freq.output_format = format;
1753 freq.output_format_raw = 0;
1754 freq.stream = a->encode;
1755 freq.print = a->print;
1756 freq.surrogate_flag = 0;
1757 freq.referenceId = referenceId;
1758 (*a->init->bend_fetch)(a->backend, &freq);
1759 /* backend should be able to signal whether error is system-wide
1760 or only pertaining to current record */
1763 if (!freq.surrogate_flag)
1766 *pres = Z_PRES_FAILURE;
1767 /* for 'present request out of range',
1768 set addinfo to record position if not set */
1769 if (freq.errcode == 13 && freq.errstring == 0)
1771 sprintf (s, "%d", recno);
1774 return diagrec(a, freq.errcode, freq.errstring);
1776 reclist->records[reclist->num_records] =
1777 surrogatediagrec(a, freq.basename, freq.errcode,
1779 reclist->num_records++;
1780 *next = freq.last_in_set ? 0 : recno + 1;
1784 this_length = freq.len;
1786 this_length = odr_total(a->encode) - total_length;
1787 yaz_log(LOG_DEBUG, " fetched record, len=%d, total=%d",
1788 this_length, total_length);
1789 if (this_length + total_length > a->preferredMessageSize)
1791 /* record is small enough, really */
1792 if (this_length <= a->preferredMessageSize)
1794 yaz_log(LOG_DEBUG, " Dropped last normal-sized record");
1795 *pres = Z_PRES_PARTIAL_2;
1798 /* record can only be fetched by itself */
1799 if (this_length < a->maximumRecordSize)
1801 yaz_log(LOG_DEBUG, " Record > prefmsgsz");
1804 yaz_log(LOG_DEBUG, " Dropped it");
1805 reclist->records[reclist->num_records] =
1806 surrogatediagrec(a, freq.basename, 16, 0);
1807 reclist->num_records++;
1808 *next = freq.last_in_set ? 0 : recno + 1;
1809 dumped_records += this_length;
1813 else /* too big entirely */
1815 yaz_log(LOG_LOG, "Record > maxrcdsz this=%d max=%d", this_length, a->maximumRecordSize);
1816 reclist->records[reclist->num_records] =
1817 surrogatediagrec(a, freq.basename, 17, 0);
1818 reclist->num_records++;
1819 *next = freq.last_in_set ? 0 : recno + 1;
1820 dumped_records += this_length;
1825 if (!(thisrec = (Z_NamePlusRecord *)
1826 odr_malloc(a->encode, sizeof(*thisrec))))
1828 if (!(thisrec->databaseName = (char *)odr_malloc(a->encode,
1829 strlen(freq.basename) + 1)))
1831 strcpy(thisrec->databaseName, freq.basename);
1832 thisrec->which = Z_NamePlusRecord_databaseRecord;
1834 if (freq.output_format_raw)
1836 struct oident *ident = oid_getentbyoid(freq.output_format_raw);
1837 freq.output_format = ident->value;
1839 thisrec->u.databaseRecord = z_ext_record(a->encode, freq.output_format,
1840 freq.record, freq.len);
1841 if (!thisrec->u.databaseRecord)
1843 reclist->records[reclist->num_records] = thisrec;
1844 reclist->num_records++;
1845 *next = freq.last_in_set ? 0 : recno + 1;
1847 *num = reclist->num_records;
1851 static Z_APDU *process_searchRequest(association *assoc, request *reqb,
1854 Z_SearchRequest *req = reqb->apdu_request->u.searchRequest;
1855 bend_search_rr *bsrr =
1856 (bend_search_rr *)nmem_malloc (reqb->request_mem, sizeof(*bsrr));
1858 yaz_log(LOG_LOG, "Got SearchRequest.");
1860 bsrr->request = reqb;
1861 bsrr->association = assoc;
1862 bsrr->referenceId = req->referenceId;
1863 save_referenceId (reqb, bsrr->referenceId);
1865 yaz_log (LOG_LOG, "ResultSet '%s'", req->resultSetName);
1866 if (req->databaseNames)
1869 for (i = 0; i < req->num_databaseNames; i++)
1870 yaz_log (LOG_LOG, "Database '%s'", req->databaseNames[i]);
1872 yaz_log_zquery(req->query);
1874 if (assoc->init->bend_search)
1876 bsrr->setname = req->resultSetName;
1877 bsrr->replace_set = *req->replaceIndicator;
1878 bsrr->num_bases = req->num_databaseNames;
1879 bsrr->basenames = req->databaseNames;
1880 bsrr->query = req->query;
1881 bsrr->stream = assoc->encode;
1882 bsrr->decode = assoc->decode;
1883 bsrr->print = assoc->print;
1886 bsrr->errstring = NULL;
1887 bsrr->search_info = NULL;
1888 (assoc->init->bend_search)(assoc->backend, bsrr);
1892 return response_searchRequest(assoc, reqb, bsrr, fd);
1895 int bend_searchresponse(void *handle, bend_search_rr *bsrr) {return 0;}
1898 * Prepare a searchresponse based on the backend results. We probably want
1899 * to look at making the fetching of records nonblocking as well, but
1900 * so far, we'll keep things simple.
1901 * If bsrt is null, that means we're called in response to a communications
1902 * event, and we'll have to get the response for ourselves.
1904 static Z_APDU *response_searchRequest(association *assoc, request *reqb,
1905 bend_search_rr *bsrt, int *fd)
1907 Z_SearchRequest *req = reqb->apdu_request->u.searchRequest;
1908 Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
1909 Z_SearchResponse *resp = (Z_SearchResponse *)
1910 odr_malloc (assoc->encode, sizeof(*resp));
1911 int *nulint = odr_intdup (assoc->encode, 0);
1912 bool_t *sr = odr_intdup(assoc->encode, 1);
1913 int *next = odr_intdup(assoc->encode, 0);
1914 int *none = odr_intdup(assoc->encode, Z_RES_NONE);
1916 apdu->which = Z_APDU_searchResponse;
1917 apdu->u.searchResponse = resp;
1918 resp->referenceId = req->referenceId;
1919 resp->additionalSearchInfo = 0;
1920 resp->otherInfo = 0;
1922 if (!bsrt && !bend_searchresponse(assoc->backend, bsrt))
1924 yaz_log(LOG_FATAL, "Bad result from backend");
1927 else if (bsrt->errcode)
1929 resp->records = diagrec(assoc, bsrt->errcode, bsrt->errstring);
1930 resp->resultCount = nulint;
1931 resp->numberOfRecordsReturned = nulint;
1932 resp->nextResultSetPosition = nulint;
1933 resp->searchStatus = nulint;
1934 resp->resultSetStatus = none;
1935 resp->presentStatus = 0;
1939 int *toget = odr_intdup(assoc->encode, 0);
1940 int *presst = odr_intdup(assoc->encode, 0);
1941 Z_RecordComposition comp, *compp = 0;
1943 yaz_log (LOG_LOG, "resultCount: %d", bsrt->hits);
1946 resp->resultCount = &bsrt->hits;
1948 comp.which = Z_RecordComp_simple;
1949 /* how many records does the user agent want, then? */
1950 if (bsrt->hits <= *req->smallSetUpperBound)
1952 *toget = bsrt->hits;
1953 if ((comp.u.simple = req->smallSetElementSetNames))
1956 else if (bsrt->hits < *req->largeSetLowerBound)
1958 *toget = *req->mediumSetPresentNumber;
1959 if (*toget > bsrt->hits)
1960 *toget = bsrt->hits;
1961 if ((comp.u.simple = req->mediumSetElementSetNames))
1967 if (*toget && !resp->records)
1972 if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)))
1975 form = prefformat->value;
1976 resp->records = pack_records(assoc, req->resultSetName, 1,
1977 toget, compp, next, presst, form, req->referenceId,
1978 req->preferredRecordSyntax);
1981 resp->numberOfRecordsReturned = toget;
1982 resp->nextResultSetPosition = next;
1983 resp->searchStatus = sr;
1984 resp->resultSetStatus = 0;
1985 resp->presentStatus = presst;
1989 if (*resp->resultCount)
1991 resp->numberOfRecordsReturned = nulint;
1992 resp->nextResultSetPosition = next;
1993 resp->searchStatus = sr;
1994 resp->resultSetStatus = 0;
1995 resp->presentStatus = 0;
1998 resp->additionalSearchInfo = bsrt->search_info;
2003 * Maybe we got a little over-friendly when we designed bend_fetch to
2004 * get only one record at a time. Some backends can optimise multiple-record
2005 * fetches, and at any rate, there is some overhead involved in
2006 * all that selecting and hopping around. Problem is, of course, that the
2007 * frontend can't know ahead of time how many records it'll need to
2008 * fill the negotiated PDU size. Annoying. Segmentation or not, Z/SR
2009 * is downright lousy as a bulk data transfer protocol.
2011 * To start with, we'll do the fetching of records from the backend
2012 * in one operation: To save some trips in and out of the event-handler,
2013 * and to simplify the interface to pack_records. At any rate, asynch
2014 * operation is more fun in operations that have an unpredictable execution
2015 * speed - which is normally more true for search than for present.
2017 static Z_APDU *process_presentRequest(association *assoc, request *reqb,
2020 Z_PresentRequest *req = reqb->apdu_request->u.presentRequest;
2024 Z_PresentResponse *resp;
2028 yaz_log(LOG_LOG, "Got PresentRequest.");
2030 if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)))
2033 form = prefformat->value;
2034 resp = (Z_PresentResponse *)odr_malloc (assoc->encode, sizeof(*resp));
2036 resp->presentStatus = odr_intdup(assoc->encode, 0);
2037 if (assoc->init->bend_present)
2039 bend_present_rr *bprr = (bend_present_rr *)
2040 nmem_malloc (reqb->request_mem, sizeof(*bprr));
2041 bprr->setname = req->resultSetId;
2042 bprr->start = *req->resultSetStartPoint;
2043 bprr->number = *req->numberOfRecordsRequested;
2044 bprr->format = form;
2045 bprr->comp = req->recordComposition;
2046 bprr->referenceId = req->referenceId;
2047 bprr->stream = assoc->encode;
2048 bprr->print = assoc->print;
2049 bprr->request = reqb;
2050 bprr->association = assoc;
2052 bprr->errstring = NULL;
2053 (*assoc->init->bend_present)(assoc->backend, bprr);
2059 resp->records = diagrec(assoc, bprr->errcode, bprr->errstring);
2060 *resp->presentStatus = Z_PRES_FAILURE;
2063 apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
2064 next = odr_intdup(assoc->encode, 0);
2065 num = odr_intdup(assoc->encode, 0);
2067 apdu->which = Z_APDU_presentResponse;
2068 apdu->u.presentResponse = resp;
2069 resp->referenceId = req->referenceId;
2070 resp->otherInfo = 0;
2074 *num = *req->numberOfRecordsRequested;
2076 pack_records(assoc, req->resultSetId, *req->resultSetStartPoint,
2077 num, req->recordComposition, next, resp->presentStatus,
2078 form, req->referenceId, req->preferredRecordSyntax);
2082 resp->numberOfRecordsReturned = num;
2083 resp->nextResultSetPosition = next;
2089 * Scan was implemented rather in a hurry, and with support for only the basic
2090 * elements of the service in the backend API. Suggestions are welcome.
2092 static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
2094 Z_ScanRequest *req = reqb->apdu_request->u.scanRequest;
2095 Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
2096 Z_ScanResponse *res = (Z_ScanResponse *)
2097 odr_malloc (assoc->encode, sizeof(*res));
2098 int *scanStatus = odr_intdup(assoc->encode, Z_Scan_failure);
2099 int *numberOfEntriesReturned = odr_intdup(assoc->encode, 0);
2100 Z_ListEntries *ents = (Z_ListEntries *)
2101 odr_malloc (assoc->encode, sizeof(*ents));
2102 Z_DiagRecs *diagrecs_p = NULL;
2104 bend_scan_rr *bsrr = (bend_scan_rr *)
2105 odr_malloc (assoc->encode, sizeof(*bsrr));
2107 yaz_log(LOG_LOG, "Got ScanRequest");
2109 apdu->which = Z_APDU_scanResponse;
2110 apdu->u.scanResponse = res;
2111 res->referenceId = req->referenceId;
2113 /* if step is absent, set it to 0 */
2114 res->stepSize = odr_intdup(assoc->encode, 0);
2116 *res->stepSize = *req->stepSize;
2118 res->scanStatus = scanStatus;
2119 res->numberOfEntriesReturned = numberOfEntriesReturned;
2120 res->positionOfTerm = 0;
2121 res->entries = ents;
2122 ents->num_entries = 0;
2123 ents->entries = NULL;
2124 ents->num_nonsurrogateDiagnostics = 0;
2125 ents->nonsurrogateDiagnostics = NULL;
2126 res->attributeSet = 0;
2129 if (req->databaseNames)
2132 for (i = 0; i < req->num_databaseNames; i++)
2133 yaz_log (LOG_LOG, "Database '%s'", req->databaseNames[i]);
2135 bsrr->num_bases = req->num_databaseNames;
2136 bsrr->basenames = req->databaseNames;
2137 bsrr->num_entries = *req->numberOfTermsRequested;
2138 bsrr->term = req->termListAndStartPoint;
2139 bsrr->referenceId = req->referenceId;
2140 bsrr->stream = assoc->encode;
2141 bsrr->print = assoc->print;
2142 bsrr->step_size = res->stepSize;
2143 if (req->attributeSet &&
2144 (attset = oid_getentbyoid(req->attributeSet)) &&
2145 (attset->oclass == CLASS_ATTSET || attset->oclass == CLASS_GENERAL))
2146 bsrr->attributeset = attset->value;
2148 bsrr->attributeset = VAL_NONE;
2149 log_scan_term (req->termListAndStartPoint, bsrr->attributeset);
2150 bsrr->term_position = req->preferredPositionInResponse ?
2151 *req->preferredPositionInResponse : 1;
2152 ((int (*)(void *, bend_scan_rr *))
2153 (*assoc->init->bend_scan))(assoc->backend, bsrr);
2155 diagrecs_p = diagrecs(assoc, bsrr->errcode, bsrr->errstring);
2159 Z_Entry **tab = (Z_Entry **)
2160 odr_malloc (assoc->encode, sizeof(*tab) * bsrr->num_entries);
2162 if (bsrr->status == BEND_SCAN_PARTIAL)
2163 *scanStatus = Z_Scan_partial_5;
2165 *scanStatus = Z_Scan_success;
2166 ents->entries = tab;
2167 ents->num_entries = bsrr->num_entries;
2168 res->numberOfEntriesReturned = &ents->num_entries;
2169 res->positionOfTerm = &bsrr->term_position;
2170 for (i = 0; i < bsrr->num_entries; i++)
2176 tab[i] = e = (Z_Entry *)odr_malloc(assoc->encode, sizeof(*e));
2177 if (bsrr->entries[i].occurrences >= 0)
2179 e->which = Z_Entry_termInfo;
2180 e->u.termInfo = t = (Z_TermInfo *)
2181 odr_malloc(assoc->encode, sizeof(*t));
2182 t->suggestedAttributes = 0;
2184 t->alternativeTerm = 0;
2185 t->byAttributes = 0;
2186 t->otherTermInfo = 0;
2187 t->globalOccurrences = &bsrr->entries[i].occurrences;
2188 t->term = (Z_Term *)
2189 odr_malloc(assoc->encode, sizeof(*t->term));
2190 t->term->which = Z_Term_general;
2191 t->term->u.general = o =
2192 (Odr_oct *)odr_malloc(assoc->encode, sizeof(Odr_oct));
2193 o->buf = (unsigned char *)
2194 odr_malloc(assoc->encode, o->len = o->size =
2195 strlen(bsrr->entries[i].term));
2196 memcpy(o->buf, bsrr->entries[i].term, o->len);
2197 yaz_log(LOG_DEBUG, " term #%d: '%s' (%d)", i,
2198 bsrr->entries[i].term, bsrr->entries[i].occurrences);
2202 Z_DiagRecs *drecs = diagrecs (assoc,
2203 bsrr->entries[i].errcode,
2204 bsrr->entries[i].errstring);
2205 assert (drecs->num_diagRecs == 1);
2206 e->which = Z_Entry_surrogateDiagnostic;
2207 assert (drecs->diagRecs[0]);
2208 e->u.surrogateDiagnostic = drecs->diagRecs[0];
2214 ents->num_nonsurrogateDiagnostics = diagrecs_p->num_diagRecs;
2215 ents->nonsurrogateDiagnostics = diagrecs_p->diagRecs;
2220 static Z_APDU *process_sortRequest(association *assoc, request *reqb,
2223 Z_SortRequest *req = reqb->apdu_request->u.sortRequest;
2224 Z_SortResponse *res = (Z_SortResponse *)
2225 odr_malloc (assoc->encode, sizeof(*res));
2226 bend_sort_rr *bsrr = (bend_sort_rr *)
2227 odr_malloc (assoc->encode, sizeof(*bsrr));
2229 Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
2231 yaz_log(LOG_LOG, "Got SortRequest.");
2233 bsrr->num_input_setnames = req->num_inputResultSetNames;
2234 bsrr->input_setnames = req->inputResultSetNames;
2235 bsrr->referenceId = req->referenceId;
2236 bsrr->output_setname = req->sortedResultSetName;
2237 bsrr->sort_sequence = req->sortSequence;
2238 bsrr->stream = assoc->encode;
2239 bsrr->print = assoc->print;
2241 bsrr->sort_status = Z_SortStatus_failure;
2243 bsrr->errstring = 0;
2245 (*assoc->init->bend_sort)(assoc->backend, bsrr);
2247 res->referenceId = bsrr->referenceId;
2248 res->sortStatus = odr_intdup(assoc->encode, bsrr->sort_status);
2249 res->resultSetStatus = 0;
2252 Z_DiagRecs *dr = diagrecs (assoc, bsrr->errcode, bsrr->errstring);
2253 res->diagnostics = dr->diagRecs;
2254 res->num_diagnostics = dr->num_diagRecs;
2258 res->num_diagnostics = 0;
2259 res->diagnostics = 0;
2263 apdu->which = Z_APDU_sortResponse;
2264 apdu->u.sortResponse = res;
2268 static Z_APDU *process_deleteRequest(association *assoc, request *reqb,
2271 Z_DeleteResultSetRequest *req =
2272 reqb->apdu_request->u.deleteResultSetRequest;
2273 Z_DeleteResultSetResponse *res = (Z_DeleteResultSetResponse *)
2274 odr_malloc (assoc->encode, sizeof(*res));
2275 bend_delete_rr *bdrr = (bend_delete_rr *)
2276 odr_malloc (assoc->encode, sizeof(*bdrr));
2277 Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
2279 yaz_log(LOG_LOG, "Got DeleteRequest.");
2281 bdrr->num_setnames = req->num_resultSetList;
2282 bdrr->setnames = req->resultSetList;
2283 bdrr->stream = assoc->encode;
2284 bdrr->print = assoc->print;
2285 bdrr->function = *req->deleteFunction;
2286 bdrr->referenceId = req->referenceId;
2288 if (bdrr->num_setnames > 0)
2291 bdrr->statuses = (int*)
2292 odr_malloc(assoc->encode, sizeof(*bdrr->statuses) *
2293 bdrr->num_setnames);
2294 for (i = 0; i < bdrr->num_setnames; i++)
2295 bdrr->statuses[i] = 0;
2297 (*assoc->init->bend_delete)(assoc->backend, bdrr);
2299 res->referenceId = req->referenceId;
2301 res->deleteOperationStatus = odr_intdup(assoc->encode,bdrr->delete_status);
2303 res->deleteListStatuses = 0;
2304 if (bdrr->num_setnames > 0)
2307 res->deleteListStatuses = (Z_ListStatuses *)
2308 odr_malloc(assoc->encode, sizeof(*res->deleteListStatuses));
2309 res->deleteListStatuses->num = bdrr->num_setnames;
2310 res->deleteListStatuses->elements =
2312 odr_malloc (assoc->encode,
2313 sizeof(*res->deleteListStatuses->elements) *
2314 bdrr->num_setnames);
2315 for (i = 0; i<bdrr->num_setnames; i++)
2317 res->deleteListStatuses->elements[i] =
2319 odr_malloc (assoc->encode,
2320 sizeof(**res->deleteListStatuses->elements));
2321 res->deleteListStatuses->elements[i]->status = bdrr->statuses+i;
2322 res->deleteListStatuses->elements[i]->id =
2323 odr_strdup (assoc->encode, bdrr->setnames[i]);
2327 res->numberNotDeleted = 0;
2328 res->bulkStatuses = 0;
2329 res->deleteMessage = 0;
2332 apdu->which = Z_APDU_deleteResultSetResponse;
2333 apdu->u.deleteResultSetResponse = res;
2337 static void process_close(association *assoc, request *reqb)
2339 Z_Close *req = reqb->apdu_request->u.close;
2340 static char *reasons[] =
2347 "securityViolation",
2354 yaz_log(LOG_LOG, "Got Close, reason %s, message %s",
2355 reasons[*req->closeReason], req->diagnosticInformation ?
2356 req->diagnosticInformation : "NULL");
2357 if (assoc->version < 3) /* to make do_force respond with close */
2359 do_close_req(assoc, Z_Close_finished,
2360 "Association terminated by client", reqb);
2363 void save_referenceId (request *reqb, Z_ReferenceId *refid)
2367 reqb->len_refid = refid->len;
2368 reqb->refid = (char *)nmem_malloc (reqb->request_mem, refid->len);
2369 memcpy (reqb->refid, refid->buf, refid->len);
2373 reqb->len_refid = 0;
2378 void bend_request_send (bend_association a, bend_request req, Z_APDU *res)
2380 process_z_response (a, req, res);
2383 bend_request bend_request_mk (bend_association a)
2385 request *nreq = request_get (&a->outgoing);
2386 nreq->request_mem = nmem_create ();
2390 Z_ReferenceId *bend_request_getid (ODR odr, bend_request req)
2395 id = (Odr_oct *)odr_malloc (odr, sizeof(*odr));
2396 id->buf = (unsigned char *)odr_malloc (odr, req->len_refid);
2397 id->len = id->size = req->len_refid;
2398 memcpy (id->buf, req->refid, req->len_refid);
2402 void bend_request_destroy (bend_request *req)
2404 nmem_destroy((*req)->request_mem);
2405 request_release(*req);
2409 int bend_backend_respond (bend_association a, bend_request req)
2413 r = process_z_request (a, req, &msg);
2415 yaz_log (LOG_WARN, "%s", msg);
2419 void bend_request_setdata(bend_request r, void *p)
2424 void *bend_request_getdata(bend_request r)
2426 return r->clientData;
2429 static Z_APDU *process_segmentRequest (association *assoc, request *reqb)
2431 bend_segment_rr req;
2433 req.segment = reqb->apdu_request->u.segmentRequest;
2434 req.stream = assoc->encode;
2435 req.decode = assoc->decode;
2436 req.print = assoc->print;
2437 req.association = assoc;
2439 (*assoc->init->bend_segment)(assoc->backend, &req);
2444 static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd)
2446 bend_esrequest_rr esrequest;
2448 Z_ExtendedServicesRequest *req =
2449 reqb->apdu_request->u.extendedServicesRequest;
2450 Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_extendedServicesResponse);
2452 Z_ExtendedServicesResponse *resp = apdu->u.extendedServicesResponse;
2454 yaz_log(LOG_DEBUG,"inside Process esRequest");
2456 esrequest.esr = reqb->apdu_request->u.extendedServicesRequest;
2457 esrequest.stream = assoc->encode;
2458 esrequest.decode = assoc->decode;
2459 esrequest.print = assoc->print;
2460 esrequest.errcode = 0;
2461 esrequest.errstring = NULL;
2462 esrequest.request = reqb;
2463 esrequest.association = assoc;
2464 esrequest.taskPackage = 0;
2465 esrequest.referenceId = req->referenceId;
2467 (*assoc->init->bend_esrequest)(assoc->backend, &esrequest);
2469 /* If the response is being delayed, return NULL */
2470 if (esrequest.request == NULL)
2473 resp->referenceId = req->referenceId;
2475 if (esrequest.errcode == -1)
2477 /* Backend service indicates request will be processed */
2478 yaz_log(LOG_DEBUG,"Request could be processed...Accepted !");
2479 *resp->operationStatus = Z_ExtendedServicesResponse_accepted;
2481 else if (esrequest.errcode == 0)
2483 /* Backend service indicates request will be processed */
2484 yaz_log(LOG_DEBUG,"Request could be processed...Done !");
2485 *resp->operationStatus = Z_ExtendedServicesResponse_done;
2489 Z_DiagRecs *diagRecs = diagrecs (assoc, esrequest.errcode,
2490 esrequest.errstring);
2492 /* Backend indicates error, request will not be processed */
2493 yaz_log(LOG_DEBUG,"Request could not be processed...failure !");
2494 *resp->operationStatus = Z_ExtendedServicesResponse_failure;
2495 resp->num_diagnostics = diagRecs->num_diagRecs;
2496 resp->diagnostics = diagRecs->diagRecs;
2498 /* Do something with the members of bend_extendedservice */
2499 if (esrequest.taskPackage)
2500 resp->taskPackage = z_ext_record (assoc->encode, VAL_EXTENDED,
2501 (const char *) esrequest.taskPackage,
2503 yaz_log(LOG_DEBUG,"Send the result apdu");