2 * Copyright (C) 1995-2005, Index Data ApS
3 * See the file LICENSE for details.
5 * $Id: seshigh.c,v 1.81 2006-05-13 03:56:31 quinn Exp $
9 * \brief Implements GFS session logic.
11 * Frontend server logic.
13 * This code receives incoming APDUs, and handles client requests by means
16 * Some of the code is getting quite involved, compared to simpler servers -
17 * primarily because it is asynchronous both in the communication with
18 * the user and the backend. We think the complexity will pay off in
19 * the form of greater flexibility when more asynchronous facilities
22 * Memory management has become somewhat involved. In the simple case, where
23 * only one PDU is pending at a time, it will simply reuse the same memory,
24 * once it has found its working size. When we enable multiple concurrent
25 * operations, perhaps even with multiple parallel calls to the backend, it
26 * will maintain a pool of buffers for encoding and decoding, trying to
27 * minimize memory allocation/deallocation during normal operation.
37 #include <sys/types.h>
45 #define S_ISREG(x) (x & _S_IFREG)
54 #include <libxml/parser.h>
55 #include <libxml/tree.h>
58 #include <yaz/yconfig.h>
59 #include <yaz/xmalloc.h>
60 #include <yaz/comstack.h>
64 #include <yaz/proto.h>
67 #include <yaz/logrpn.h>
68 #include <yaz/querytowrbuf.h>
69 #include <yaz/statserv.h>
70 #include <yaz/diagbib1.h>
71 #include <yaz/charneg.h>
72 #include <yaz/otherinfo.h>
73 #include <yaz/yaz-util.h>
74 #include <yaz/pquery.h>
77 #include <yaz/backend.h>
79 static void process_gdu_request(association *assoc, request *req);
80 static int process_z_request(association *assoc, request *req, char **msg);
81 void backend_response(IOCHAN i, int event);
82 static int process_gdu_response(association *assoc, request *req, Z_GDU *res);
83 static int process_z_response(association *assoc, request *req, Z_APDU *res);
84 static Z_APDU *process_initRequest(association *assoc, request *reqb);
85 static Z_External *init_diagnostics(ODR odr, int errcode,
86 const char *errstring);
87 static Z_APDU *process_searchRequest(association *assoc, request *reqb,
89 static Z_APDU *response_searchRequest(association *assoc, request *reqb,
90 bend_search_rr *bsrr, int *fd);
91 static Z_APDU *process_presentRequest(association *assoc, request *reqb,
93 static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd);
94 static Z_APDU *process_sortRequest(association *assoc, request *reqb, int *fd);
95 static void process_close(association *assoc, request *reqb);
96 void save_referenceId (request *reqb, Z_ReferenceId *refid);
97 static Z_APDU *process_deleteRequest(association *assoc, request *reqb,
99 static Z_APDU *process_segmentRequest (association *assoc, request *reqb);
101 static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd);
103 /* dynamic logging levels */
104 static int logbits_set = 0;
105 static int log_session = 0;
106 static int log_request = 0; /* one-line logs for requests */
107 static int log_requestdetail = 0; /* more detailed stuff */
109 /** get_logbits sets global loglevel bits */
110 static void get_logbits()
111 { /* needs to be called after parsing cmd-line args that can set loglevels!*/
115 log_session = yaz_log_module_level("session");
116 log_request = yaz_log_module_level("request");
117 log_requestdetail = yaz_log_module_level("requestdetail");
121 static void wr_diag(WRBUF w, int error, const char *addinfo)
123 wrbuf_printf(w, "ERROR [%d] %s%s%s",
124 error, diagbib1_str(error),
125 addinfo ? "--" : "", addinfo ? addinfo : "");
130 * Create and initialize a new association-handle.
131 * channel : iochannel for the current line.
132 * link : communications channel.
133 * Returns: 0 or a new association handle.
135 association *create_association(IOCHAN channel, COMSTACK link,
136 const char *apdufile)
142 if (!(anew = (association *)xmalloc(sizeof(*anew))))
146 anew->last_control = 0;
147 anew->client_chan = channel;
148 anew->client_link = link;
149 anew->cs_get_mask = 0;
150 anew->cs_put_mask = 0;
151 anew->cs_accept_mask = 0;
152 if (!(anew->decode = odr_createmem(ODR_DECODE)) ||
153 !(anew->encode = odr_createmem(ODR_ENCODE)))
155 if (apdufile && *apdufile)
159 if (!(anew->print = odr_createmem(ODR_PRINT)))
161 if (*apdufile == '@')
163 odr_setprint(anew->print, yaz_log_file());
165 else if (*apdufile != '-')
168 sprintf(filename, "%.200s.%ld", apdufile, (long)getpid());
169 if (!(f = fopen(filename, "w")))
171 yaz_log(YLOG_WARN|YLOG_ERRNO, "%s", filename);
174 setvbuf(f, 0, _IONBF, 0);
175 odr_setprint(anew->print, f);
180 anew->input_buffer = 0;
181 anew->input_buffer_len = 0;
183 anew->state = ASSOC_NEW;
184 request_initq(&anew->incoming);
185 request_initq(&anew->outgoing);
186 anew->proto = cs_getproto(link);
192 * Free association and release resources.
194 void destroy_association(association *h)
196 statserv_options_block *cb = statserv_getcontrol();
200 odr_destroy(h->decode);
201 odr_destroy(h->encode);
203 odr_destroy(h->print);
205 xfree(h->input_buffer);
207 (*cb->bend_close)(h->backend);
208 while ((req = request_deq(&h->incoming)))
209 request_release(req);
210 while ((req = request_deq(&h->outgoing)))
211 request_release(req);
212 request_delq(&h->incoming);
213 request_delq(&h->outgoing);
215 xmalloc_trav("session closed");
216 if (cb && cb->one_shot)
222 static void do_close_req(association *a, int reason, char *message,
226 Z_Close *cls = zget_Close(a->encode);
228 /* Purge request queue */
229 while (request_deq(&a->incoming));
230 while (request_deq(&a->outgoing));
233 yaz_log(log_requestdetail, "Sending Close PDU, reason=%d, message=%s",
234 reason, message ? message : "none");
235 apdu.which = Z_APDU_close;
237 *cls->closeReason = reason;
238 cls->diagnosticInformation = message;
239 process_z_response(a, req, &apdu);
240 iochan_settimeout(a->client_chan, 20);
244 request_release(req);
245 yaz_log(log_requestdetail, "v2 client. No Close PDU");
246 iochan_setevent(a->client_chan, EVENT_TIMEOUT); /* force imm close */
249 a->state = ASSOC_DEAD;
252 static void do_close(association *a, int reason, char *message)
254 request *req = request_get(&a->outgoing);
255 do_close_req (a, reason, message, req);
259 * This is where PDUs from the client are read and the further
260 * processing is initiated. Flow of control moves down through the
261 * various process_* functions below, until the encoded result comes back up
262 * to the output handler in here.
264 * h : the I/O channel that has an outstanding event.
265 * event : the current outstanding event.
267 void ir_session(IOCHAN h, int event)
270 association *assoc = (association *)iochan_getdata(h);
271 COMSTACK conn = assoc->client_link;
274 assert(h && conn && assoc);
275 if (event == EVENT_TIMEOUT)
277 if (assoc->state != ASSOC_UP)
279 yaz_log(YLOG_DEBUG, "Final timeout - closing connection.");
280 /* do we need to lod this at all */
282 destroy_association(assoc);
287 yaz_log(log_session, "Session idle too long. Sending close.");
288 do_close(assoc, Z_Close_lackOfActivity, 0);
292 if (event & assoc->cs_accept_mask)
294 if (!cs_accept (conn))
296 yaz_log (YLOG_WARN, "accept failed");
297 destroy_association(assoc);
300 iochan_clearflag (h, EVENT_OUTPUT);
301 if (conn->io_pending)
302 { /* cs_accept didn't complete */
303 assoc->cs_accept_mask =
304 ((conn->io_pending & CS_WANT_WRITE) ? EVENT_OUTPUT : 0) |
305 ((conn->io_pending & CS_WANT_READ) ? EVENT_INPUT : 0);
307 iochan_setflag (h, assoc->cs_accept_mask);
310 { /* cs_accept completed. Prepare for reading (cs_get) */
311 assoc->cs_accept_mask = 0;
312 assoc->cs_get_mask = EVENT_INPUT;
313 iochan_setflag (h, assoc->cs_get_mask);
317 if ((event & assoc->cs_get_mask) || (event & EVENT_WORK)) /* input */
319 if ((assoc->cs_put_mask & EVENT_INPUT) == 0 && (event & assoc->cs_get_mask))
321 yaz_log(YLOG_DEBUG, "ir_session (input)");
322 /* We aren't speaking to this fellow */
323 if (assoc->state == ASSOC_DEAD)
325 yaz_log(log_session, "Connection closed - end of session");
327 destroy_association(assoc);
331 assoc->cs_get_mask = EVENT_INPUT;
332 if ((res = cs_get(conn, &assoc->input_buffer,
333 &assoc->input_buffer_len)) <= 0)
335 yaz_log(log_session, "Connection closed by client");
337 destroy_association(assoc);
341 else if (res == 1) /* incomplete read - wait for more */
343 if (conn->io_pending & CS_WANT_WRITE)
344 assoc->cs_get_mask |= EVENT_OUTPUT;
345 iochan_setflag(h, assoc->cs_get_mask);
348 if (cs_more(conn)) /* more stuff - call us again later, please */
349 iochan_setevent(h, EVENT_INPUT);
351 /* we got a complete PDU. Let's decode it */
352 yaz_log(YLOG_DEBUG, "Got PDU, %d bytes: lead=%02X %02X %02X", res,
353 assoc->input_buffer[0] & 0xff,
354 assoc->input_buffer[1] & 0xff,
355 assoc->input_buffer[2] & 0xff);
356 req = request_get(&assoc->incoming); /* get a new request */
357 odr_reset(assoc->decode);
358 odr_setbuf(assoc->decode, assoc->input_buffer, res, 0);
359 if (!z_GDU(assoc->decode, &req->gdu_request, 0, 0))
361 yaz_log(YLOG_WARN, "ODR error on incoming PDU: %s [element %s] "
363 odr_errmsg(odr_geterror(assoc->decode)),
364 odr_getelement(assoc->decode),
365 (long) odr_offset(assoc->decode));
366 if (assoc->decode->error != OHTTP)
368 yaz_log(YLOG_WARN, "PDU dump:");
369 odr_dumpBER(yaz_log_file(), assoc->input_buffer, res);
370 request_release(req);
371 do_close(assoc, Z_Close_protocolError,"Malformed package");
375 Z_GDU *p = z_get_HTTP_Response(assoc->encode, 400);
376 assoc->state = ASSOC_DEAD;
377 process_gdu_response(assoc, req, p);
381 req->request_mem = odr_extract_mem(assoc->decode);
384 if (!z_GDU(assoc->print, &req->gdu_request, 0, 0))
385 yaz_log(YLOG_WARN, "ODR print error: %s",
386 odr_errmsg(odr_geterror(assoc->print)));
387 odr_reset(assoc->print);
389 request_enq(&assoc->incoming, req);
392 /* can we do something yet? */
393 req = request_head(&assoc->incoming);
394 if (req->state == REQUEST_IDLE)
396 request_deq(&assoc->incoming);
397 process_gdu_request(assoc, req);
400 if (event & assoc->cs_put_mask)
402 request *req = request_head(&assoc->outgoing);
404 assoc->cs_put_mask = 0;
405 yaz_log(YLOG_DEBUG, "ir_session (output)");
406 req->state = REQUEST_PENDING;
407 switch (res = cs_put(conn, req->response, req->len_response))
410 yaz_log(log_session, "Connection closed by client");
412 destroy_association(assoc);
415 case 0: /* all sent - release the request structure */
416 yaz_log(YLOG_DEBUG, "Wrote PDU, %d bytes", req->len_response);
418 yaz_log(YLOG_DEBUG, "HTTP out:\n%.*s", req->len_response,
421 nmem_destroy(req->request_mem);
422 request_deq(&assoc->outgoing);
423 request_release(req);
424 if (!request_head(&assoc->outgoing))
425 { /* restore mask for cs_get operation ... */
426 iochan_clearflag(h, EVENT_OUTPUT|EVENT_INPUT);
427 iochan_setflag(h, assoc->cs_get_mask);
428 if (assoc->state == ASSOC_DEAD)
429 iochan_setevent(assoc->client_chan, EVENT_TIMEOUT);
433 assoc->cs_put_mask = EVENT_OUTPUT;
437 if (conn->io_pending & CS_WANT_WRITE)
438 assoc->cs_put_mask |= EVENT_OUTPUT;
439 if (conn->io_pending & CS_WANT_READ)
440 assoc->cs_put_mask |= EVENT_INPUT;
441 iochan_setflag(h, assoc->cs_put_mask);
444 if (event & EVENT_EXCEPT)
446 yaz_log(YLOG_WARN, "ir_session (exception)");
448 destroy_association(assoc);
453 static int process_z_request(association *assoc, request *req, char **msg);
456 static void assoc_init_reset(association *assoc)
459 assoc->init = (bend_initrequest *) xmalloc (sizeof(*assoc->init));
461 assoc->init->stream = assoc->encode;
462 assoc->init->print = assoc->print;
463 assoc->init->auth = 0;
464 assoc->init->referenceId = 0;
465 assoc->init->implementation_version = 0;
466 assoc->init->implementation_id = 0;
467 assoc->init->implementation_name = 0;
468 assoc->init->bend_sort = NULL;
469 assoc->init->bend_search = NULL;
470 assoc->init->bend_present = NULL;
471 assoc->init->bend_esrequest = NULL;
472 assoc->init->bend_delete = NULL;
473 assoc->init->bend_scan = NULL;
474 assoc->init->bend_segment = NULL;
475 assoc->init->bend_fetch = NULL;
476 assoc->init->bend_explain = NULL;
477 assoc->init->bend_srw_scan = NULL;
478 assoc->init->bend_srw_update = NULL;
480 assoc->init->charneg_request = NULL;
481 assoc->init->charneg_response = NULL;
483 assoc->init->decode = assoc->decode;
484 assoc->init->peer_name =
485 odr_strdup (assoc->encode, cs_addrstr(assoc->client_link));
487 yaz_log(log_requestdetail, "peer %s", assoc->init->peer_name);
490 static int srw_bend_init(association *assoc, Z_SRW_diagnostic **d, int *num, Z_SRW_PDU *sr)
492 statserv_options_block *cb = statserv_getcontrol();
495 const char *encoding = "UTF-8";
497 bend_initresult *binitres;
499 yaz_log(YLOG_LOG, "srw_bend_init config=%s", cb->configname);
500 assoc_init_reset(assoc);
502 assoc->maximumRecordSize = 3000000;
503 assoc->preferredMessageSize = 3000000;
507 Z_IdAuthentication *auth = odr_malloc(assoc->decode, sizeof(*auth));
510 len = strlen(sr->username) + 1;
512 len += strlen(sr->password) + 2;
513 auth->which = Z_IdAuthentication_open;
514 auth->u.open = odr_malloc(assoc->decode, len);
515 strcpy(auth->u.open, sr->username);
516 if (sr->password && *sr->password)
518 strcat(auth->u.open, "/");
519 strcat(auth->u.open, sr->password);
521 assoc->init->auth = auth;
525 ce = yaz_set_proposal_charneg(assoc->decode, &encoding, 1, 0, 0, 1);
526 assoc->init->charneg_request = ce->u.charNeg3;
529 if (!(binitres = (*cb->bend_init)(assoc->init)))
531 assoc->state = ASSOC_DEAD;
532 yaz_add_srw_diagnostic(assoc->encode, d, num,
533 YAZ_SRW_AUTHENTICATION_ERROR, 0);
536 assoc->backend = binitres->handle;
537 assoc->init->auth = 0;
538 if (binitres->errcode)
540 int srw_code = yaz_diag_bib1_to_srw(binitres->errcode);
541 assoc->state = ASSOC_DEAD;
542 yaz_add_srw_diagnostic(assoc->encode, d, num, srw_code,
543 binitres->errstring);
551 static const char *get_esn(Z_RecordComposition *comp)
553 if (comp && comp->which == Z_RecordComp_complex)
555 if (comp->u.complex->generic
556 && comp->u.complex->generic->elementSpec
557 && (comp->u.complex->generic->elementSpec->which ==
558 Z_ElementSpec_elementSetName))
559 return comp->u.complex->generic->elementSpec->u.elementSetName;
561 else if (comp && comp->which == Z_RecordComp_simple &&
562 comp->u.simple->which == Z_ElementSetNames_generic)
563 return comp->u.simple->u.generic;
567 static void set_esn(Z_RecordComposition **comp_p, const char *esn, NMEM nmem)
569 Z_RecordComposition *comp = nmem_malloc(nmem, sizeof(*comp));
571 comp->which = Z_RecordComp_simple;
572 comp->u.simple = nmem_malloc(nmem, sizeof(*comp->u.simple));
573 comp->u.simple->which = Z_ElementSetNames_generic;
574 comp->u.simple->u.generic = nmem_strdup(nmem, esn);
578 static int retrieve_fetch(association *assoc, bend_fetch_rr *rr)
581 yaz_record_conv_t rc = 0;
582 const char *match_schema = 0;
583 int *match_syntax = 0;
587 yaz_log(YLOG_LOG, "no assoc->server");
592 const char *input_schema = get_esn(rr->comp);
593 Odr_oid *input_syntax_raw = rr->request_format_raw;
595 const char *backend_schema = 0;
596 Odr_oid *backend_syntax = 0;
598 yaz_log(YLOG_LOG, "found assoc->server");
600 r = yaz_retrieval_request(assoc->server->retrieval,
608 yaz_log(YLOG_LOG, "yaz_retrieval_request r=%d", r);
609 if (r == -1) /* error ? */
611 const char *details = yaz_retrieval_get_error(
612 assoc->server->retrieval);
614 rr->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
616 rr->errstring = odr_strdup(rr->stream, details);
619 else if (r == 1 || r == 3)
621 const char *details = input_schema;
622 rr->errcode = YAZ_BIB1_ELEMENT_SET_NAMES_UNSUPP;
624 rr->errstring = odr_strdup(rr->stream, details);
629 rr->errcode = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
630 if (input_syntax_raw)
632 char oidbuf[OID_STR_MAX];
633 oid_to_dotstring(input_syntax_raw, oidbuf);
634 rr->errstring = odr_strdup(rr->stream, oidbuf);
640 set_esn(&rr->comp, backend_schema, rr->stream->mem);
644 oident *oident_syntax = oid_getentbyoid(backend_syntax);
646 rr->request_format_raw = backend_syntax;
649 rr->request_format = oident_syntax->value;
651 rr->request_format = VAL_NONE;
654 (*assoc->init->bend_fetch)(assoc->backend, rr);
655 if (rc && rr->record && rr->errcode == 0 && rr->len > 0)
656 { /* post conversion must take place .. */
657 WRBUF output_record = wrbuf_alloc();
658 int r = yaz_record_conv_record(rc, rr->record, rr->len, output_record);
661 const char *details = yaz_record_conv_get_error(rc);
662 rr->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
664 rr->errstring = odr_strdup(rr->stream, details);
668 rr->len = wrbuf_len(output_record);
669 rr->record = odr_malloc(rr->stream, rr->len);
670 memcpy(rr->record, wrbuf_buf(output_record), rr->len);
672 wrbuf_free(output_record, 1);
676 struct oident *oi = oid_getentbyoid(match_syntax);
677 rr->output_format = oi ? oi->value : VAL_NONE;
678 rr->output_format_raw = match_syntax;
680 yaz_log(YLOG_LOG, "match_scheam=%s", match_schema);
682 rr->schema = odr_strdup(rr->stream, match_schema);
685 (*assoc->init->bend_fetch)(assoc->backend, rr);
689 static int srw_bend_fetch(association *assoc, int pos,
690 Z_SRW_searchRetrieveRequest *srw_req,
691 Z_SRW_record *record)
694 ODR o = assoc->encode;
696 rr.setname = "default";
699 rr.request_format = VAL_TEXT_XML;
700 rr.request_format_raw = yaz_oidval_to_z3950oid(assoc->decode,
703 rr.comp = (Z_RecordComposition *)
704 odr_malloc(assoc->decode, sizeof(*rr.comp));
705 rr.comp->which = Z_RecordComp_complex;
706 rr.comp->u.complex = (Z_CompSpec *)
707 odr_malloc(assoc->decode, sizeof(Z_CompSpec));
708 rr.comp->u.complex->selectAlternativeSyntax = (bool_t *)
709 odr_malloc(assoc->encode, sizeof(bool_t));
710 *rr.comp->u.complex->selectAlternativeSyntax = 0;
711 rr.comp->u.complex->num_dbSpecific = 0;
712 rr.comp->u.complex->dbSpecific = 0;
713 rr.comp->u.complex->num_recordSyntax = 0;
714 rr.comp->u.complex->recordSyntax = 0;
716 rr.comp->u.complex->generic = (Z_Specification *)
717 odr_malloc(assoc->decode, sizeof(Z_Specification));
719 /* schema uri = recordSchema (or NULL if recordSchema is not given) */
720 rr.comp->u.complex->generic->which = Z_Schema_uri;
721 rr.comp->u.complex->generic->schema.uri = srw_req->recordSchema;
723 /* ESN = recordSchema if recordSchema is present */
724 rr.comp->u.complex->generic->elementSpec = 0;
725 if (srw_req->recordSchema)
727 rr.comp->u.complex->generic->elementSpec =
728 (Z_ElementSpec *) odr_malloc(assoc->encode, sizeof(Z_ElementSpec));
729 rr.comp->u.complex->generic->elementSpec->which =
730 Z_ElementSpec_elementSetName;
731 rr.comp->u.complex->generic->elementSpec->u.elementSetName =
732 srw_req->recordSchema;
735 rr.stream = assoc->encode;
736 rr.print = assoc->print;
744 rr.surrogate_flag = 0;
745 rr.schema = srw_req->recordSchema;
747 if (!assoc->init->bend_fetch)
750 retrieve_fetch(assoc, &rr);
752 if (rr.errcode && rr.surrogate_flag)
754 int code = yaz_diag_bib1_to_srw(rr.errcode);
755 const char *message = yaz_diag_srw_str(code);
758 len += strlen(message);
760 len += strlen(rr.errstring);
762 record->recordData_buf = odr_malloc(o, len);
764 sprintf(record->recordData_buf, "<diagnostic "
765 "xmlns=\"http://www.loc.gov/zing/srw/diagnostic/\">\n"
766 " <uri>info:srw/diagnostic/1/%d</uri>\n", code);
768 sprintf(record->recordData_buf + strlen(record->recordData_buf),
769 " <details>%s</details>\n", rr.errstring);
771 sprintf(record->recordData_buf + strlen(record->recordData_buf),
772 " <message>%s</message>\n", message);
773 sprintf(record->recordData_buf + strlen(record->recordData_buf),
775 record->recordData_len = strlen(record->recordData_buf);
776 record->recordPosition = odr_intdup(o, pos);
777 record->recordSchema = "info:srw/schema/1/diagnostics-v1.1";
780 else if (rr.len >= 0)
782 record->recordData_buf = rr.record;
783 record->recordData_len = rr.len;
784 record->recordPosition = odr_intdup(o, pos);
786 record->recordSchema = odr_strdup(o, rr.schema);
788 record->recordSchema = 0;
793 static int cql2pqf(ODR odr, const char *cql, cql_transform_t ct,
794 Z_Query *query_result)
796 /* have a CQL query and CQL to PQF transform .. */
797 CQL_parser cp = cql_parser_create();
803 r = cql_parser_string(cp, cql);
806 /* CQL syntax error */
812 r = cql_transform_buf(ct,
813 cql_parser_result(cp),
814 rpn_buf, sizeof(rpn_buf)-1);
816 srw_errcode = cql_transform_error(ct, &add);
820 /* Syntax & transform OK. */
821 /* Convert PQF string to Z39.50 to RPN query struct */
822 YAZ_PQF_Parser pp = yaz_pqf_create();
823 Z_RPNQuery *rpnquery = yaz_pqf_parse(pp, odr, rpn_buf);
828 int code = yaz_pqf_error(pp, &pqf_msg, &off);
829 yaz_log(YLOG_WARN, "PQF Parser Error %s (code %d)",
835 query_result->which = Z_Query_type_1;
836 query_result->u.type_1 = rpnquery;
840 cql_parser_destroy(cp);
844 static int cql2pqf_scan(ODR odr, const char *cql, cql_transform_t ct,
845 Z_AttributesPlusTerm *result)
849 int srw_error = cql2pqf(odr, cql, ct, &query);
852 if (query.which != Z_Query_type_1 && query.which != Z_Query_type_101)
853 return 10; /* bad query type */
854 rpn = query.u.type_1;
855 if (!rpn->RPNStructure)
856 return 10; /* must be structure */
857 if (rpn->RPNStructure->which != Z_RPNStructure_simple)
858 return 10; /* must be simple */
859 if (rpn->RPNStructure->u.simple->which != Z_Operand_APT)
860 return 10; /* must be attributes plus term node .. */
861 memcpy(result, rpn->RPNStructure->u.simple->u.attributesPlusTerm,
866 static void srw_bend_search(association *assoc, request *req,
868 Z_SRW_searchRetrieveResponse *srw_res,
873 Z_SRW_searchRetrieveRequest *srw_req = sr->u.request;
876 yaz_log(log_requestdetail, "Got SRW SearchRetrieveRequest");
877 srw_bend_init(assoc, &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
878 if (srw_res->num_diagnostics == 0 && assoc->init)
881 rr.setname = "default";
884 rr.basenames = &srw_req->database;
888 rr.srw_setnameIdleTime = 0;
889 rr.query = (Z_Query *) odr_malloc (assoc->decode, sizeof(*rr.query));
890 rr.query->u.type_1 = 0;
892 if (srw_req->query_type == Z_SRW_query_type_cql)
894 if (assoc->server && assoc->server->cql_transform)
896 int srw_errcode = cql2pqf(assoc->encode, srw_req->query.cql,
897 assoc->server->cql_transform,
901 yaz_add_srw_diagnostic(assoc->encode,
902 &srw_res->diagnostics,
903 &srw_res->num_diagnostics,
909 /* CQL query to backend. Wrap it - Z39.50 style */
910 ext = (Z_External *) odr_malloc(assoc->decode, sizeof(*ext));
911 ext->direct_reference = odr_getoidbystr(assoc->decode,
912 "1.2.840.10003.16.2");
913 ext->indirect_reference = 0;
915 ext->which = Z_External_CQL;
916 ext->u.cql = srw_req->query.cql;
918 rr.query->which = Z_Query_type_104;
919 rr.query->u.type_104 = ext;
922 else if (srw_req->query_type == Z_SRW_query_type_pqf)
924 Z_RPNQuery *RPNquery;
925 YAZ_PQF_Parser pqf_parser;
927 pqf_parser = yaz_pqf_create ();
929 RPNquery = yaz_pqf_parse (pqf_parser, assoc->decode,
935 int code = yaz_pqf_error (pqf_parser, &pqf_msg, &off);
936 yaz_log(log_requestdetail, "Parse error %d %s near offset %ld",
937 code, pqf_msg, (long) off);
938 srw_error = YAZ_SRW_QUERY_SYNTAX_ERROR;
941 rr.query->which = Z_Query_type_1;
942 rr.query->u.type_1 = RPNquery;
944 yaz_pqf_destroy (pqf_parser);
948 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
949 &srw_res->num_diagnostics,
950 YAZ_SRW_UNSUPP_QUERY_TYPE, 0);
952 if (rr.query->u.type_1)
954 rr.stream = assoc->encode;
955 rr.decode = assoc->decode;
956 rr.print = assoc->print;
958 if ( srw_req->sort.sortKeys )
959 rr.srw_sortKeys = odr_strdup(assoc->encode,
960 srw_req->sort.sortKeys );
961 rr.association = assoc;
967 yaz_log_zquery_level(log_requestdetail,rr.query);
969 (assoc->init->bend_search)(assoc->backend, &rr);
972 if (rr.errcode == YAZ_BIB1_DATABASE_UNAVAILABLE)
978 srw_error = yaz_diag_bib1_to_srw (rr.errcode);
979 yaz_add_srw_diagnostic(assoc->encode,
980 &srw_res->diagnostics,
981 &srw_res->num_diagnostics,
982 srw_error, rr.errstring);
987 int number = srw_req->maximumRecords ? *srw_req->maximumRecords : 0;
988 int start = srw_req->startRecord ? *srw_req->startRecord : 1;
990 yaz_log(log_requestdetail, "Request to pack %d+%d out of %d",
991 start, number, rr.hits);
993 srw_res->numberOfRecords = odr_intdup(assoc->encode, rr.hits);
996 srw_res->resultSetId =
997 odr_strdup(assoc->encode, rr.srw_setname );
998 srw_res->resultSetIdleTime =
999 odr_intdup(assoc->encode, *rr.srw_setnameIdleTime );
1005 if (start > rr.hits)
1007 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1008 &srw_res->num_diagnostics,
1009 YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
1014 int packing = Z_SRW_recordPacking_string;
1015 if (start + number > rr.hits)
1016 number = rr.hits - start + 1;
1017 if (srw_req->recordPacking){
1018 if (!strcmp(srw_req->recordPacking, "xml"))
1019 packing = Z_SRW_recordPacking_XML;
1020 if (!strcmp(srw_req->recordPacking, "url"))
1021 packing = Z_SRW_recordPacking_URL;
1023 srw_res->records = (Z_SRW_record *)
1024 odr_malloc(assoc->encode,
1025 number * sizeof(*srw_res->records));
1027 srw_res->extra_records = (Z_SRW_extra_record **)
1028 odr_malloc(assoc->encode,
1029 number*sizeof(*srw_res->extra_records));
1031 for (i = 0; i<number; i++)
1035 srw_res->records[j].recordPacking = packing;
1036 srw_res->records[j].recordData_buf = 0;
1037 srw_res->extra_records[j] = 0;
1038 yaz_log(YLOG_DEBUG, "srw_bend_fetch %d", i+start);
1039 errcode = srw_bend_fetch(assoc, i+start, srw_req,
1040 srw_res->records + j);
1043 yaz_add_srw_diagnostic(assoc->encode,
1044 &srw_res->diagnostics,
1045 &srw_res->num_diagnostics,
1046 yaz_diag_bib1_to_srw (errcode),
1051 if (srw_res->records[j].recordData_buf)
1054 srw_res->num_records = j;
1056 srw_res->records = 0;
1064 const char *querystr = "?";
1065 const char *querytype = "?";
1066 WRBUF wr = wrbuf_alloc();
1068 switch (srw_req->query_type)
1070 case Z_SRW_query_type_cql:
1072 querystr = srw_req->query.cql;
1074 case Z_SRW_query_type_pqf:
1076 querystr = srw_req->query.pqf;
1079 wrbuf_printf(wr, "SRWSearch ");
1080 if (srw_res->num_diagnostics)
1081 wrbuf_printf(wr, "ERROR %s", srw_res->diagnostics[0].uri);
1082 else if (*http_code != 200)
1083 wrbuf_printf(wr, "ERROR info:http/%d", *http_code);
1084 else if (srw_res->numberOfRecords)
1086 wrbuf_printf(wr, "OK %d",
1087 (srw_res->numberOfRecords ?
1088 *srw_res->numberOfRecords : 0));
1090 wrbuf_printf(wr, " %s %d+%d",
1091 (srw_res->resultSetId ?
1092 srw_res->resultSetId : "-"),
1093 (srw_req->startRecord ? *srw_req->startRecord : 1),
1094 srw_res->num_records);
1095 yaz_log(log_request, "%s %s: %s", wrbuf_buf(wr), querytype, querystr);
1100 static char *srw_bend_explain_default(void *handle, bend_explain_rr *rr)
1103 xmlNodePtr ptr = rr->server_node_ptr;
1106 for (ptr = ptr->children; ptr; ptr = ptr->next)
1108 if (ptr->type != XML_ELEMENT_NODE)
1110 if (!strcmp((const char *) ptr->name, "explain"))
1113 xmlDocPtr doc = xmlNewDoc(BAD_CAST "1.0");
1117 ptr = xmlCopyNode(ptr, 1);
1119 xmlDocSetRootElement(doc, ptr);
1121 xmlDocDumpMemory(doc, &buf_out, &len);
1122 content = (char*) odr_malloc(rr->stream, 1+len);
1123 memcpy(content, buf_out, len);
1124 content[len] = '\0';
1128 rr->explain_buf = content;
1136 static void srw_bend_explain(association *assoc, request *req,
1138 Z_SRW_explainResponse *srw_res,
1141 Z_SRW_explainRequest *srw_req = sr->u.explain_request;
1142 yaz_log(log_requestdetail, "Got SRW ExplainRequest");
1144 srw_bend_init(assoc, &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
1149 rr.stream = assoc->encode;
1150 rr.decode = assoc->decode;
1151 rr.print = assoc->print;
1153 rr.database = srw_req->database;
1155 rr.server_node_ptr = assoc->server->server_node_ptr;
1157 rr.server_node_ptr = 0;
1158 rr.schema = "http://explain.z3950.org/dtd/2.0/";
1159 if (assoc->init->bend_explain)
1160 (*assoc->init->bend_explain)(assoc->backend, &rr);
1162 srw_bend_explain_default(assoc->backend, &rr);
1166 int packing = Z_SRW_recordPacking_string;
1167 if (srw_req->recordPacking)
1169 if (!strcmp(srw_req->recordPacking, "xml"))
1170 packing = Z_SRW_recordPacking_XML;
1171 else if (!strcmp(srw_req->recordPacking, "url"))
1172 packing = Z_SRW_recordPacking_URL;
1174 srw_res->record.recordSchema = rr.schema;
1175 srw_res->record.recordPacking = packing;
1176 srw_res->record.recordData_buf = rr.explain_buf;
1177 srw_res->record.recordData_len = strlen(rr.explain_buf);
1178 srw_res->record.recordPosition = 0;
1184 static void srw_bend_scan(association *assoc, request *req,
1186 Z_SRW_scanResponse *srw_res,
1189 Z_SRW_scanRequest *srw_req = sr->u.scan_request;
1190 yaz_log(log_requestdetail, "Got SRW ScanRequest");
1193 srw_bend_init(assoc, &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
1194 if (srw_res->num_diagnostics == 0 && assoc->init)
1196 struct scan_entry *save_entries;
1198 bend_scan_rr *bsrr = (bend_scan_rr *)
1199 odr_malloc (assoc->encode, sizeof(*bsrr));
1200 bsrr->num_bases = 1;
1201 bsrr->basenames = &srw_req->database;
1203 bsrr->num_entries = srw_req->maximumTerms ?
1204 *srw_req->maximumTerms : 10;
1205 bsrr->term_position = srw_req->responsePosition ?
1206 *srw_req->responsePosition : 1;
1209 bsrr->errstring = 0;
1210 bsrr->referenceId = 0;
1211 bsrr->stream = assoc->encode;
1212 bsrr->print = assoc->print;
1213 bsrr->step_size = odr_intdup(assoc->decode, 0);
1216 if (bsrr->num_entries > 0)
1219 bsrr->entries = odr_malloc(assoc->decode, sizeof(*bsrr->entries) *
1221 for (i = 0; i<bsrr->num_entries; i++)
1223 bsrr->entries[i].term = 0;
1224 bsrr->entries[i].occurrences = 0;
1225 bsrr->entries[i].errcode = 0;
1226 bsrr->entries[i].errstring = 0;
1227 bsrr->entries[i].display_term = 0;
1230 save_entries = bsrr->entries; /* save it so we can compare later */
1232 if (srw_req->query_type == Z_SRW_query_type_pqf &&
1233 assoc->init->bend_scan)
1235 Odr_oid *scan_attributeSet = 0;
1237 YAZ_PQF_Parser pqf_parser = yaz_pqf_create();
1239 bsrr->term = yaz_pqf_scan(pqf_parser, assoc->decode,
1241 srw_req->scanClause.pqf);
1242 if (scan_attributeSet &&
1243 (attset = oid_getentbyoid(scan_attributeSet)) &&
1244 (attset->oclass == CLASS_ATTSET ||
1245 attset->oclass == CLASS_GENERAL))
1246 bsrr->attributeset = attset->value;
1248 bsrr->attributeset = VAL_NONE;
1249 yaz_pqf_destroy(pqf_parser);
1250 bsrr->scanClause = 0;
1251 ((int (*)(void *, bend_scan_rr *))
1252 (*assoc->init->bend_scan))(assoc->backend, bsrr);
1254 else if (srw_req->query_type == Z_SRW_query_type_cql
1255 && assoc->init->bend_scan && assoc->server
1256 && assoc->server->cql_transform)
1259 bsrr->scanClause = 0;
1260 bsrr->attributeset = VAL_NONE;
1261 bsrr->term = odr_malloc(assoc->decode, sizeof(*bsrr->term));
1262 srw_error = cql2pqf_scan(assoc->encode,
1263 srw_req->scanClause.cql,
1264 assoc->server->cql_transform,
1267 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1268 &srw_res->num_diagnostics,
1272 ((int (*)(void *, bend_scan_rr *))
1273 (*assoc->init->bend_scan))(assoc->backend, bsrr);
1276 else if (srw_req->query_type == Z_SRW_query_type_cql
1277 && assoc->init->bend_srw_scan)
1280 bsrr->attributeset = VAL_NONE;
1281 bsrr->scanClause = srw_req->scanClause.cql;
1282 ((int (*)(void *, bend_scan_rr *))
1283 (*assoc->init->bend_srw_scan))(assoc->backend, bsrr);
1287 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1288 &srw_res->num_diagnostics,
1289 YAZ_SRW_UNSUPP_OPERATION, "scan");
1294 if (bsrr->errcode == YAZ_BIB1_DATABASE_UNAVAILABLE)
1299 srw_error = yaz_diag_bib1_to_srw (bsrr->errcode);
1301 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1302 &srw_res->num_diagnostics,
1303 srw_error, bsrr->errstring);
1305 else if (srw_res->num_diagnostics == 0 && bsrr->num_entries)
1308 srw_res->terms = (Z_SRW_scanTerm*)
1309 odr_malloc(assoc->encode, sizeof(*srw_res->terms) *
1312 srw_res->num_terms = bsrr->num_entries;
1313 for (i = 0; i<bsrr->num_entries; i++)
1315 Z_SRW_scanTerm *t = srw_res->terms + i;
1316 t->value = odr_strdup(assoc->encode, bsrr->entries[i].term);
1317 t->numberOfRecords =
1318 odr_intdup(assoc->encode, bsrr->entries[i].occurrences);
1320 if (save_entries == bsrr->entries &&
1321 bsrr->entries[i].display_term)
1323 /* the entries was _not_ set by the handler. So it's
1324 safe to test for new member display_term. It is
1327 t->displayTerm = odr_strdup(assoc->encode,
1328 bsrr->entries[i].display_term);
1336 WRBUF wr = wrbuf_alloc();
1337 const char *querytype = 0;
1338 const char *querystr = 0;
1340 switch(srw_req->query_type)
1342 case Z_SRW_query_type_pqf:
1344 querystr = srw_req->scanClause.pqf;
1346 case Z_SRW_query_type_cql:
1348 querystr = srw_req->scanClause.cql;
1351 querytype = "Unknown";
1354 wrbuf_printf(wr, "SRWScan %d+%d",
1355 (srw_req->responsePosition ?
1356 *srw_req->responsePosition : 1),
1357 (srw_req->maximumTerms ?
1358 *srw_req->maximumTerms : 1));
1359 if (srw_res->num_diagnostics)
1360 wrbuf_printf(wr, " ERROR %s", srw_res->diagnostics[0].uri);
1362 wrbuf_printf(wr, " OK -");
1363 wrbuf_printf(wr, " %s: %s", querytype, querystr);
1364 yaz_log(log_request, "%s", wrbuf_buf(wr) );
1370 static void srw_bend_update(association *assoc, request *req,
1372 Z_SRW_updateResponse *srw_res,
1375 Z_SRW_updateRequest *srw_req = sr->u.update_request;
1376 yaz_log(YLOG_DEBUG, "Got SRW UpdateRequest");
1377 yaz_log(YLOG_DEBUG, "num_diag = %d", srw_res->num_diagnostics );
1379 srw_bend_init(assoc, &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
1384 rr.stream = assoc->encode;
1385 rr.print = assoc->print;
1387 rr.basenames = &srw_req->database;
1388 rr.operation = srw_req->operation;
1389 rr.operation_status = "failed";
1391 rr.record_version = 0;
1392 rr.record_checksum = 0;
1393 rr.record_old_version = 0;
1394 rr.record_packing = "xml";
1395 rr.record_schema = 0;
1397 rr.request_extra_record = 0;
1398 rr.response_extra_record = 0;
1399 rr.extra_request_data = 0;
1400 rr.extra_response_data = 0;
1404 yaz_log(YLOG_DEBUG, "basename = %s", rr.basenames[0] );
1405 yaz_log(YLOG_DEBUG, "Operation = %s", rr.operation );
1406 if ( !strcmp( rr.operation, "delete" ) ){
1407 if ( !srw_req->recordId ){
1408 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1409 &srw_res->num_diagnostics,
1413 rr.record_id = srw_req->recordId;
1415 if ( !srw_req->recordVersion ){
1416 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1417 &srw_res->num_diagnostics,
1418 7, "recordVersion" );
1421 rr.record_version = odr_strdup( assoc->encode,
1422 srw_req->recordVersion );
1425 if ( srw_req->recordOldVersion ){
1426 rr.record_old_version = odr_strdup(assoc->encode,
1427 srw_req->recordOldVersion );
1429 if ( srw_req->extraRequestData ){
1430 rr.extra_request_data = odr_strdup(assoc->encode,
1431 srw_req->extraRequestData );
1434 else if ( !strcmp( rr.operation, "replace" ) ){
1435 if ( !srw_req->recordId ){
1436 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1437 &srw_res->num_diagnostics,
1441 rr.record_id = srw_req->recordId;
1443 if ( srw_req->record.recordSchema == 0 ){
1444 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1445 &srw_res->num_diagnostics,
1446 7, "recordSchema" );
1449 rr.record_schema = odr_strdup(assoc->encode,
1450 srw_req->record.recordSchema );
1452 switch (srw_req->record.recordPacking)
1454 case Z_SRW_recordPacking_string:
1455 rr.record_packing = "string";
1457 case Z_SRW_recordPacking_XML:
1458 rr.record_packing = "xml";
1460 case Z_SRW_recordPacking_URL:
1461 rr.record_packing = "url";
1464 if ( srw_req->record.recordData_len ){
1465 rr.record_data = odr_strdupn(assoc->encode,
1466 srw_req->record.recordData_buf,
1467 srw_req->record.recordData_len );
1468 rr.request_extra_record = srw_req->extra_record;
1471 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1472 &srw_res->num_diagnostics,
1475 if (srw_req->extraRequestData)
1476 rr.extra_request_data = odr_strdup(assoc->encode,
1477 srw_req->extraRequestData );
1479 else if ( !strcmp( rr.operation, "insert" ) )
1481 if ( srw_req->record.recordSchema == 0 ){
1482 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1483 &srw_res->num_diagnostics,
1484 7, "recordSchema" );
1487 rr.record_schema = odr_strdup(assoc->encode,
1488 srw_req->record.recordSchema);
1490 switch (srw_req->record.recordPacking)
1492 case Z_SRW_recordPacking_string:
1493 rr.record_packing = "string";
1495 case Z_SRW_recordPacking_XML:
1496 rr.record_packing = "xml";
1498 case Z_SRW_recordPacking_URL:
1499 rr.record_packing = "url";
1503 if (srw_req->record.recordData_len)
1505 rr.record_data = odr_strdupn(assoc->encode,
1506 srw_req->record.recordData_buf,
1507 srw_req->record.recordData_len );
1508 rr.request_extra_record = srw_req->extra_record;
1511 yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1512 &srw_res->num_diagnostics,
1514 if ( srw_req->extraRequestData )
1515 rr.extra_request_data = odr_strdup(assoc->encode,
1516 srw_req->extraRequestData );
1518 if (srw_res->num_diagnostics == 0)
1520 if ( assoc->init->bend_srw_update)
1521 (*assoc->init->bend_srw_update)(assoc->backend, &rr);
1523 yaz_log( YLOG_WARN, "Got No Update function!");
1528 yaz_add_srw_diagnostic(assoc->encode,
1529 &srw_res->diagnostics,
1530 &srw_res->num_diagnostics,
1531 rr.errcode, rr.errstring);
1532 srw_res->recordId = rr.record_id;
1533 srw_res->operationStatus = rr.operation_status;
1534 srw_res->recordVersion = rr.record_version;
1535 srw_res->recordChecksum = rr.record_checksum;
1536 srw_res->extraResponseData = rr.extra_response_data;
1537 srw_res->record.recordPosition = 0;
1538 if (srw_res->num_diagnostics == 0 && rr.record_data)
1540 srw_res->record.recordSchema = rr.record_schema;
1541 srw_res->record.recordPacking = srw_req->record.recordPacking;
1542 srw_res->record.recordData_buf = rr.record_data;
1543 srw_res->record.recordData_len = strlen(rr.record_data);
1544 srw_res->extra_record = rr.response_extra_record;
1548 srw_res->record.recordData_len = 0;
1553 /* check if path is OK (1); BAD (0) */
1554 static int check_path(const char *path)
1558 if (strstr(path, ".."))
1563 static char *read_file(const char *fname, ODR o, int *sz)
1566 FILE *inf = fopen(fname, "rb");
1570 fseek(inf, 0L, SEEK_END);
1573 buf = odr_malloc(o, *sz);
1574 fread(buf, 1, *sz, inf);
1579 static void process_http_request(association *assoc, request *req)
1581 Z_HTTP_Request *hreq = req->gdu_request->u.HTTP_Request;
1582 ODR o = assoc->encode;
1583 int r = 2; /* 2=NOT TAKEN, 1=TAKEN, 0=SOAP TAKEN */
1585 Z_SOAP *soap_package = 0;
1588 Z_HTTP_Response *hres = 0;
1590 const char *stylesheet = 0; /* for now .. set later */
1591 Z_SRW_diagnostic *diagnostic = 0;
1592 int num_diagnostic = 0;
1593 const char *host = z_HTTP_header_lookup(hreq->headers, "Host");
1595 if (!control_association(assoc, host, 0))
1597 p = z_get_HTTP_Response(o, 404);
1600 if (r == 2 && assoc->server && assoc->server->docpath
1601 && hreq->path[0] == '/'
1603 /* check if path is a proper prefix of documentroot */
1604 strncmp(hreq->path+1, assoc->server->docpath,
1605 strlen(assoc->server->docpath))
1608 if (!check_path(hreq->path))
1610 yaz_log(YLOG_LOG, "File %s access forbidden", hreq->path+1);
1611 p = z_get_HTTP_Response(o, 404);
1615 int content_size = 0;
1616 char *content_buf = read_file(hreq->path+1, o, &content_size);
1619 yaz_log(YLOG_LOG, "File %s not found", hreq->path+1);
1620 p = z_get_HTTP_Response(o, 404);
1624 const char *ctype = 0;
1625 yaz_mime_types types = yaz_mime_types_create();
1627 yaz_mime_types_add(types, "xsl", "application/xml");
1628 yaz_mime_types_add(types, "xml", "application/xml");
1629 yaz_mime_types_add(types, "css", "text/css");
1630 yaz_mime_types_add(types, "html", "text/html");
1631 yaz_mime_types_add(types, "htm", "text/html");
1632 yaz_mime_types_add(types, "txt", "text/plain");
1633 yaz_mime_types_add(types, "js", "application/x-javascript");
1635 yaz_mime_types_add(types, "gif", "image/gif");
1636 yaz_mime_types_add(types, "png", "image/png");
1637 yaz_mime_types_add(types, "jpg", "image/jpeg");
1638 yaz_mime_types_add(types, "jpeg", "image/jpeg");
1640 ctype = yaz_mime_lookup_fname(types, hreq->path);
1643 yaz_log(YLOG_LOG, "No mime type for %s", hreq->path+1);
1644 p = z_get_HTTP_Response(o, 404);
1648 p = z_get_HTTP_Response(o, 200);
1649 hres = p->u.HTTP_Response;
1650 hres->content_buf = content_buf;
1651 hres->content_len = content_size;
1652 z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
1654 yaz_mime_types_destroy(types);
1662 r = yaz_srw_decode(hreq, &sr, &soap_package, assoc->decode, &charset);
1663 yaz_log(YLOG_DEBUG, "yaz_srw_decode returned %d", r);
1665 if (r == 2) /* not taken */
1667 r = yaz_sru_decode(hreq, &sr, &soap_package, assoc->decode, &charset,
1668 &diagnostic, &num_diagnostic);
1669 yaz_log(YLOG_DEBUG, "yaz_sru_decode returned %d", r);
1671 if (r == 0) /* decode SRW/SRU OK .. */
1673 int http_code = 200;
1674 if (sr->which == Z_SRW_searchRetrieve_request)
1677 yaz_srw_get(assoc->encode, Z_SRW_searchRetrieve_response);
1679 stylesheet = sr->u.request->stylesheet;
1682 res->u.response->diagnostics = diagnostic;
1683 res->u.response->num_diagnostics = num_diagnostic;
1687 srw_bend_search(assoc, req, sr, res->u.response,
1690 if (http_code == 200)
1691 soap_package->u.generic->p = res;
1693 else if (sr->which == Z_SRW_explain_request)
1695 Z_SRW_PDU *res = yaz_srw_get(o, Z_SRW_explain_response);
1696 stylesheet = sr->u.explain_request->stylesheet;
1699 res->u.explain_response->diagnostics = diagnostic;
1700 res->u.explain_response->num_diagnostics = num_diagnostic;
1702 srw_bend_explain(assoc, req, sr,
1703 res->u.explain_response, &http_code);
1704 if (http_code == 200)
1705 soap_package->u.generic->p = res;
1707 else if (sr->which == Z_SRW_scan_request)
1709 Z_SRW_PDU *res = yaz_srw_get(o, Z_SRW_scan_response);
1710 stylesheet = sr->u.scan_request->stylesheet;
1713 res->u.scan_response->diagnostics = diagnostic;
1714 res->u.scan_response->num_diagnostics = num_diagnostic;
1716 srw_bend_scan(assoc, req, sr,
1717 res->u.scan_response, &http_code);
1718 if (http_code == 200)
1719 soap_package->u.generic->p = res;
1721 else if (sr->which == Z_SRW_update_request)
1723 Z_SRW_PDU *res = yaz_srw_get(o, Z_SRW_update_response);
1724 yaz_log(YLOG_DEBUG, "handling SRW UpdateRequest");
1727 res->u.update_response->diagnostics = diagnostic;
1728 res->u.update_response->num_diagnostics = num_diagnostic;
1730 yaz_log(YLOG_DEBUG, "num_diag = %d", res->u.update_response->num_diagnostics );
1731 srw_bend_update(assoc, req, sr,
1732 res->u.update_response, &http_code);
1733 if (http_code == 200)
1734 soap_package->u.generic->p = res;
1738 yaz_log(log_request, "SOAP ERROR");
1739 /* FIXME - what error, what query */
1741 z_soap_error(assoc->encode, soap_package,
1742 "SOAP-ENV:Client", "Bad method", 0);
1744 if (http_code == 200 || http_code == 500)
1746 static Z_SOAP_Handler soap_handlers[4] = {
1748 {"http://www.loc.gov/zing/srw/", 0,
1749 (Z_SOAP_fun) yaz_srw_codec},
1750 {"http://www.loc.gov/zing/srw/v1.0/", 0,
1751 (Z_SOAP_fun) yaz_srw_codec},
1752 {"http://www.loc.gov/zing/srw/update/", 0,
1753 (Z_SOAP_fun) yaz_ucp_codec},
1759 p = z_get_HTTP_Response(o, 200);
1760 hres = p->u.HTTP_Response;
1762 if (!stylesheet && assoc->server)
1763 stylesheet = assoc->server->stylesheet;
1765 /* empty stylesheet means NO stylesheet */
1766 if (stylesheet && *stylesheet == '\0')
1769 ret = z_soap_codec_enc_xsl(assoc->encode, &soap_package,
1770 &hres->content_buf, &hres->content_len,
1771 soap_handlers, charset, stylesheet);
1772 hres->code = http_code;
1774 strcpy(ctype, "text/xml");
1777 strcat(ctype, "; charset=");
1778 strcat(ctype, charset);
1780 z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
1783 p = z_get_HTTP_Response(o, http_code);
1787 p = z_get_HTTP_Response(o, 500);
1788 hres = p->u.HTTP_Response;
1789 if (!strcmp(hreq->version, "1.0"))
1791 const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
1792 if (v && !strcmp(v, "Keep-Alive"))
1796 hres->version = "1.0";
1800 const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
1801 if (v && !strcmp(v, "close"))
1805 hres->version = "1.1";
1809 z_HTTP_header_add(o, &hres->headers, "Connection", "close");
1810 assoc->state = ASSOC_DEAD;
1811 assoc->cs_get_mask = 0;
1816 const char *alive = z_HTTP_header_lookup(hreq->headers, "Keep-Alive");
1818 if (alive && isdigit(*(const unsigned char *) alive))
1822 if (t < 0 || t > 3600)
1824 iochan_settimeout(assoc->client_chan,t);
1825 z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive");
1827 process_gdu_response(assoc, req, p);
1830 static void process_gdu_request(association *assoc, request *req)
1832 if (req->gdu_request->which == Z_GDU_Z3950)
1835 req->apdu_request = req->gdu_request->u.z3950;
1836 if (process_z_request(assoc, req, &msg) < 0)
1837 do_close_req(assoc, Z_Close_systemProblem, msg, req);
1839 else if (req->gdu_request->which == Z_GDU_HTTP_Request)
1840 process_http_request(assoc, req);
1843 do_close_req(assoc, Z_Close_systemProblem, "bad protocol packet", req);
1848 * Initiate request processing.
1850 static int process_z_request(association *assoc, request *req, char **msg)
1856 *msg = "Unknown Error";
1857 assert(req && req->state == REQUEST_IDLE);
1858 if (req->apdu_request->which != Z_APDU_initRequest && !assoc->init)
1860 *msg = "Missing InitRequest";
1863 switch (req->apdu_request->which)
1865 case Z_APDU_initRequest:
1866 res = process_initRequest(assoc, req); break;
1867 case Z_APDU_searchRequest:
1868 res = process_searchRequest(assoc, req, &fd); break;
1869 case Z_APDU_presentRequest:
1870 res = process_presentRequest(assoc, req, &fd); break;
1871 case Z_APDU_scanRequest:
1872 if (assoc->init->bend_scan)
1873 res = process_scanRequest(assoc, req, &fd);
1876 *msg = "Cannot handle Scan APDU";
1880 case Z_APDU_extendedServicesRequest:
1881 if (assoc->init->bend_esrequest)
1882 res = process_ESRequest(assoc, req, &fd);
1885 *msg = "Cannot handle Extended Services APDU";
1889 case Z_APDU_sortRequest:
1890 if (assoc->init->bend_sort)
1891 res = process_sortRequest(assoc, req, &fd);
1894 *msg = "Cannot handle Sort APDU";
1899 process_close(assoc, req);
1901 case Z_APDU_deleteResultSetRequest:
1902 if (assoc->init->bend_delete)
1903 res = process_deleteRequest(assoc, req, &fd);
1906 *msg = "Cannot handle Delete APDU";
1910 case Z_APDU_segmentRequest:
1911 if (assoc->init->bend_segment)
1913 res = process_segmentRequest (assoc, req);
1917 *msg = "Cannot handle Segment APDU";
1921 case Z_APDU_triggerResourceControlRequest:
1924 *msg = "Bad APDU received";
1929 yaz_log(YLOG_DEBUG, " result immediately available");
1930 retval = process_z_response(assoc, req, res);
1934 yaz_log(YLOG_DEBUG, " result unavailble");
1937 else /* no result yet - one will be provided later */
1941 /* Set up an I/O handler for the fd supplied by the backend */
1943 yaz_log(YLOG_DEBUG, " establishing handler for result");
1944 req->state = REQUEST_PENDING;
1945 if (!(chan = iochan_create(fd, backend_response, EVENT_INPUT, 0)))
1947 iochan_setdata(chan, assoc);
1954 * Handle message from the backend.
1956 void backend_response(IOCHAN i, int event)
1958 association *assoc = (association *)iochan_getdata(i);
1959 request *req = request_head(&assoc->incoming);
1963 yaz_log(YLOG_DEBUG, "backend_response");
1964 assert(assoc && req && req->state != REQUEST_IDLE);
1965 /* determine what it is we're waiting for */
1966 switch (req->apdu_request->which)
1968 case Z_APDU_searchRequest:
1969 res = response_searchRequest(assoc, req, 0, &fd); break;
1971 case Z_APDU_presentRequest:
1972 res = response_presentRequest(assoc, req, 0, &fd); break;
1973 case Z_APDU_scanRequest:
1974 res = response_scanRequest(assoc, req, 0, &fd); break;
1977 yaz_log(YLOG_FATAL, "Serious programmer's lapse or bug");
1980 if ((res && process_z_response(assoc, req, res) < 0) || fd < 0)
1982 yaz_log(YLOG_WARN, "Fatal error when talking to backend");
1983 do_close(assoc, Z_Close_systemProblem, 0);
1987 else if (!res) /* no result yet - try again later */
1989 yaz_log(YLOG_DEBUG, " no result yet");
1990 iochan_setfd(i, fd); /* in case fd has changed */
1995 * Encode response, and transfer the request structure to the outgoing queue.
1997 static int process_gdu_response(association *assoc, request *req, Z_GDU *res)
1999 odr_setbuf(assoc->encode, req->response, req->size_response, 1);
2003 if (!z_GDU(assoc->print, &res, 0, 0))
2004 yaz_log(YLOG_WARN, "ODR print error: %s",
2005 odr_errmsg(odr_geterror(assoc->print)));
2006 odr_reset(assoc->print);
2008 if (!z_GDU(assoc->encode, &res, 0, 0))
2010 yaz_log(YLOG_WARN, "ODR error when encoding PDU: %s [element %s]",
2011 odr_errmsg(odr_geterror(assoc->decode)),
2012 odr_getelement(assoc->decode));
2015 req->response = odr_getbuf(assoc->encode, &req->len_response,
2016 &req->size_response);
2017 odr_setbuf(assoc->encode, 0, 0, 0); /* don'txfree if we abort later */
2018 odr_reset(assoc->encode);
2019 req->state = REQUEST_IDLE;
2020 request_enq(&assoc->outgoing, req);
2021 /* turn the work over to the ir_session handler */
2022 iochan_setflag(assoc->client_chan, EVENT_OUTPUT);
2023 assoc->cs_put_mask = EVENT_OUTPUT;
2024 /* Is there more work to be done? give that to the input handler too */
2026 if (request_head(&assoc->incoming))
2028 yaz_log (YLOG_DEBUG, "more work to be done");
2029 iochan_setevent(assoc->client_chan, EVENT_WORK);
2036 * Encode response, and transfer the request structure to the outgoing queue.
2038 static int process_z_response(association *assoc, request *req, Z_APDU *res)
2040 Z_GDU *gres = (Z_GDU *) odr_malloc(assoc->encode, sizeof(*res));
2041 gres->which = Z_GDU_Z3950;
2042 gres->u.z3950 = res;
2044 return process_gdu_response(assoc, req, gres);
2047 static char *get_vhost(Z_OtherInformation *otherInfo)
2049 return yaz_oi_get_string_oidval(&otherInfo, VAL_PROXY, 1, 0);
2053 * Handle init request.
2054 * At the moment, we don't check the options
2055 * anywhere else in the code - we just try not to do anything that would
2056 * break a naive client. We'll toss 'em into the association block when
2057 * we need them there.
2059 static Z_APDU *process_initRequest(association *assoc, request *reqb)
2061 Z_InitRequest *req = reqb->apdu_request->u.initRequest;
2062 Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_initResponse);
2063 Z_InitResponse *resp = apdu->u.initResponse;
2064 bend_initresult *binitres;
2067 statserv_options_block *cb = 0; /* by default no control for backend */
2069 if (control_association(assoc, get_vhost(req->otherInfo), 1))
2070 cb = statserv_getcontrol(); /* got control block for backend */
2072 if (cb && assoc->backend)
2073 (*cb->bend_close)(assoc->backend);
2075 yaz_log(log_requestdetail, "Got initRequest");
2076 if (req->implementationId)
2077 yaz_log(log_requestdetail, "Id: %s",
2078 req->implementationId);
2079 if (req->implementationName)
2080 yaz_log(log_requestdetail, "Name: %s",
2081 req->implementationName);
2082 if (req->implementationVersion)
2083 yaz_log(log_requestdetail, "Version: %s",
2084 req->implementationVersion);
2086 assoc_init_reset(assoc);
2088 assoc->init->auth = req->idAuthentication;
2089 assoc->init->referenceId = req->referenceId;
2091 if (ODR_MASK_GET(req->options, Z_Options_negotiationModel))
2093 Z_CharSetandLanguageNegotiation *negotiation =
2094 yaz_get_charneg_record (req->otherInfo);
2096 negotiation->which == Z_CharSetandLanguageNegotiation_proposal)
2097 assoc->init->charneg_request = negotiation;
2103 if (req->implementationVersion)
2104 yaz_log(log_requestdetail, "Config: %s",
2107 iochan_settimeout(assoc->client_chan, cb->idle_timeout * 60);
2109 /* we have a backend control block, so call that init function */
2110 if (!(binitres = (*cb->bend_init)(assoc->init)))
2112 yaz_log(YLOG_WARN, "Bad response from backend.");
2115 assoc->backend = binitres->handle;
2119 /* no backend. return error */
2120 binitres = odr_malloc(assoc->encode, sizeof(*binitres));
2121 binitres->errstring = 0;
2122 binitres->errcode = YAZ_BIB1_PERMANENT_SYSTEM_ERROR;
2123 iochan_settimeout(assoc->client_chan, 10);
2125 if ((assoc->init->bend_sort))
2126 yaz_log (YLOG_DEBUG, "Sort handler installed");
2127 if ((assoc->init->bend_search))
2128 yaz_log (YLOG_DEBUG, "Search handler installed");
2129 if ((assoc->init->bend_present))
2130 yaz_log (YLOG_DEBUG, "Present handler installed");
2131 if ((assoc->init->bend_esrequest))
2132 yaz_log (YLOG_DEBUG, "ESRequest handler installed");
2133 if ((assoc->init->bend_delete))
2134 yaz_log (YLOG_DEBUG, "Delete handler installed");
2135 if ((assoc->init->bend_scan))
2136 yaz_log (YLOG_DEBUG, "Scan handler installed");
2137 if ((assoc->init->bend_segment))
2138 yaz_log (YLOG_DEBUG, "Segment handler installed");
2140 resp->referenceId = req->referenceId;
2142 /* let's tell the client what we can do */
2143 if (ODR_MASK_GET(req->options, Z_Options_search))
2145 ODR_MASK_SET(resp->options, Z_Options_search);
2146 strcat(options, "srch");
2148 if (ODR_MASK_GET(req->options, Z_Options_present))
2150 ODR_MASK_SET(resp->options, Z_Options_present);
2151 strcat(options, " prst");
2153 if (ODR_MASK_GET(req->options, Z_Options_delSet) &&
2154 assoc->init->bend_delete)
2156 ODR_MASK_SET(resp->options, Z_Options_delSet);
2157 strcat(options, " del");
2159 if (ODR_MASK_GET(req->options, Z_Options_extendedServices) &&
2160 assoc->init->bend_esrequest)
2162 ODR_MASK_SET(resp->options, Z_Options_extendedServices);
2163 strcat (options, " extendedServices");
2165 if (ODR_MASK_GET(req->options, Z_Options_namedResultSets))
2167 ODR_MASK_SET(resp->options, Z_Options_namedResultSets);
2168 strcat(options, " namedresults");
2170 if (ODR_MASK_GET(req->options, Z_Options_scan) && assoc->init->bend_scan)
2172 ODR_MASK_SET(resp->options, Z_Options_scan);
2173 strcat(options, " scan");
2175 if (ODR_MASK_GET(req->options, Z_Options_concurrentOperations))
2177 ODR_MASK_SET(resp->options, Z_Options_concurrentOperations);
2178 strcat(options, " concurrop");
2180 if (ODR_MASK_GET(req->options, Z_Options_sort) && assoc->init->bend_sort)
2182 ODR_MASK_SET(resp->options, Z_Options_sort);
2183 strcat(options, " sort");
2186 if (ODR_MASK_GET(req->options, Z_Options_negotiationModel)
2187 && assoc->init->charneg_response)
2189 Z_OtherInformation **p;
2190 Z_OtherInformationUnit *p0;
2192 yaz_oi_APDU(apdu, &p);
2194 if ((p0=yaz_oi_update(p, assoc->encode, NULL, 0, 0))) {
2195 ODR_MASK_SET(resp->options, Z_Options_negotiationModel);
2197 p0->which = Z_OtherInfo_externallyDefinedInfo;
2198 p0->information.externallyDefinedInfo =
2199 assoc->init->charneg_response;
2201 ODR_MASK_SET(resp->options, Z_Options_negotiationModel);
2202 strcat(options, " negotiation");
2205 ODR_MASK_SET(resp->options, Z_Options_triggerResourceCtrl);
2207 if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_1))
2209 ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_1);
2210 assoc->version = 1; /* 1 & 2 are equivalent */
2212 if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_2))
2214 ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_2);
2217 if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_3))
2219 ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_3);
2223 yaz_log(log_requestdetail, "Negotiated to v%d: %s", assoc->version, options);
2224 assoc->maximumRecordSize = *req->maximumRecordSize;
2226 if (cb && assoc->maximumRecordSize > cb->maxrecordsize)
2227 assoc->maximumRecordSize = cb->maxrecordsize;
2228 assoc->preferredMessageSize = *req->preferredMessageSize;
2229 if (assoc->preferredMessageSize > assoc->maximumRecordSize)
2230 assoc->preferredMessageSize = assoc->maximumRecordSize;
2232 resp->preferredMessageSize = &assoc->preferredMessageSize;
2233 resp->maximumRecordSize = &assoc->maximumRecordSize;
2235 resp->implementationId = odr_prepend(assoc->encode,
2236 assoc->init->implementation_id,
2237 resp->implementationId);
2239 resp->implementationName = odr_prepend(assoc->encode,
2240 assoc->init->implementation_name,
2241 odr_prepend(assoc->encode, "GFS", resp->implementationName));
2243 version = odr_strdup(assoc->encode, "$Revision: 1.81 $");
2244 if (strlen(version) > 10) /* check for unexpanded CVS strings */
2245 version[strlen(version)-2] = '\0';
2246 resp->implementationVersion = odr_prepend(assoc->encode,
2247 assoc->init->implementation_version,
2248 odr_prepend(assoc->encode, &version[11],
2249 resp->implementationVersion));
2251 if (binitres->errcode)
2253 assoc->state = ASSOC_DEAD;
2254 resp->userInformationField =
2255 init_diagnostics(assoc->encode, binitres->errcode,
2256 binitres->errstring);
2261 if (!req->idAuthentication)
2262 yaz_log(log_request, "Auth none");
2263 else if (req->idAuthentication->which == Z_IdAuthentication_open)
2265 const char *open = req->idAuthentication->u.open;
2266 const char *slash = strchr(open, '/');
2272 yaz_log(log_request, "Auth open %.*s", len, open);
2274 else if (req->idAuthentication->which == Z_IdAuthentication_idPass)
2276 const char *user = req->idAuthentication->u.idPass->userId;
2277 const char *group = req->idAuthentication->u.idPass->groupId;
2278 yaz_log(log_request, "Auth idPass %s %s",
2279 user ? user : "-", group ? group : "-");
2281 else if (req->idAuthentication->which
2282 == Z_IdAuthentication_anonymous)
2284 yaz_log(log_request, "Auth anonymous");
2288 yaz_log(log_request, "Auth other");
2293 WRBUF wr = wrbuf_alloc();
2294 wrbuf_printf(wr, "Init ");
2295 if (binitres->errcode)
2296 wrbuf_printf(wr, "ERROR %d", binitres->errcode);
2298 wrbuf_printf(wr, "OK -");
2299 wrbuf_printf(wr, " ID:%s Name:%s Version:%s",
2300 (req->implementationId ? req->implementationId :"-"),
2301 (req->implementationName ?
2302 req->implementationName : "-"),
2303 (req->implementationVersion ?
2304 req->implementationVersion : "-")
2306 yaz_log(log_request, "%s", wrbuf_buf(wr));
2313 * Set the specified `errcode' and `errstring' into a UserInfo-1
2314 * external to be returned to the client in accordance with Z35.90
2315 * Implementor Agreement 5 (Returning diagnostics in an InitResponse):
2316 * http://lcweb.loc.gov/z3950/agency/agree/initdiag.html
2318 static Z_External *init_diagnostics(ODR odr, int error, const char *addinfo)
2320 yaz_log(log_requestdetail, "[%d] %s%s%s", error, diagbib1_str(error),
2321 addinfo ? " -- " : "", addinfo ? addinfo : "");
2322 return zget_init_diagnostics(odr, error, addinfo);
2326 * nonsurrogate diagnostic record.
2328 static Z_Records *diagrec(association *assoc, int error, char *addinfo)
2330 Z_Records *rec = (Z_Records *) odr_malloc (assoc->encode, sizeof(*rec));
2332 yaz_log(log_requestdetail, "[%d] %s%s%s", error, diagbib1_str(error),
2333 addinfo ? " -- " : "", addinfo ? addinfo : "");
2335 rec->which = Z_Records_NSD;
2336 rec->u.nonSurrogateDiagnostic = zget_DefaultDiagFormat(assoc->encode,
2342 * surrogate diagnostic.
2344 static Z_NamePlusRecord *surrogatediagrec(association *assoc,
2346 int error, const char *addinfo)
2348 yaz_log(log_requestdetail, "[%d] %s%s%s", error, diagbib1_str(error),
2349 addinfo ? " -- " : "", addinfo ? addinfo : "");
2350 return zget_surrogateDiagRec(assoc->encode, dbname, error, addinfo);
2353 static Z_Records *pack_records(association *a, char *setname, int start,
2354 int *num, Z_RecordComposition *comp,
2355 int *next, int *pres, oid_value format,
2356 Z_ReferenceId *referenceId,
2357 int *oid, int *errcode)
2359 int recno, total_length = 0, toget = *num, dumped_records = 0;
2360 Z_Records *records =
2361 (Z_Records *) odr_malloc (a->encode, sizeof(*records));
2362 Z_NamePlusRecordList *reclist =
2363 (Z_NamePlusRecordList *) odr_malloc (a->encode, sizeof(*reclist));
2364 Z_NamePlusRecord **list =
2365 (Z_NamePlusRecord **) odr_malloc (a->encode, sizeof(*list) * toget);
2367 records->which = Z_Records_DBOSD;
2368 records->u.databaseOrSurDiagnostics = reclist;
2369 reclist->num_records = 0;
2370 reclist->records = list;
2371 *pres = Z_PresentStatus_success;
2375 yaz_log(log_requestdetail, "Request to pack %d+%d %s", start, toget, setname);
2376 yaz_log(log_requestdetail, "pms=%d, mrs=%d", a->preferredMessageSize,
2377 a->maximumRecordSize);
2378 for (recno = start; reclist->num_records < toget; recno++)
2381 Z_NamePlusRecord *thisrec;
2382 int this_length = 0;
2384 * we get the number of bytes allocated on the stream before any
2385 * allocation done by the backend - this should give us a reasonable
2386 * idea of the total size of the data so far.
2388 total_length = odr_total(a->encode) - dumped_records;
2394 freq.last_in_set = 0;
2395 freq.setname = setname;
2396 freq.surrogate_flag = 0;
2397 freq.number = recno;
2399 freq.request_format = format;
2400 freq.request_format_raw = oid;
2401 freq.output_format = format;
2402 freq.output_format_raw = 0;
2403 freq.stream = a->encode;
2404 freq.print = a->print;
2405 freq.referenceId = referenceId;
2408 retrieve_fetch(a, &freq);
2410 *next = freq.last_in_set ? 0 : recno + 1;
2412 /* backend should be able to signal whether error is system-wide
2413 or only pertaining to current record */
2416 if (!freq.surrogate_flag)
2419 *pres = Z_PresentStatus_failure;
2420 /* for 'present request out of range',
2421 set addinfo to record position if not set */
2422 if (freq.errcode == YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE &&
2423 freq.errstring == 0)
2425 sprintf (s, "%d", recno);
2429 *errcode = freq.errcode;
2430 return diagrec(a, freq.errcode, freq.errstring);
2432 reclist->records[reclist->num_records] =
2433 surrogatediagrec(a, freq.basename, freq.errcode,
2435 reclist->num_records++;
2438 if (freq.record == 0) /* no error and no record ? */
2440 *next = 0; /* signal end-of-set and stop */
2444 this_length = freq.len;
2446 this_length = odr_total(a->encode) - total_length - dumped_records;
2447 yaz_log(YLOG_DEBUG, " fetched record, len=%d, total=%d dumped=%d",
2448 this_length, total_length, dumped_records);
2449 if (a->preferredMessageSize > 0 &&
2450 this_length + total_length > a->preferredMessageSize)
2452 /* record is small enough, really */
2453 if (this_length <= a->preferredMessageSize && recno > start)
2455 yaz_log(log_requestdetail, " Dropped last normal-sized record");
2456 *pres = Z_PresentStatus_partial_2;
2459 /* record can only be fetched by itself */
2460 if (this_length < a->maximumRecordSize)
2462 yaz_log(log_requestdetail, " Record > prefmsgsz");
2465 yaz_log(YLOG_DEBUG, " Dropped it");
2466 reclist->records[reclist->num_records] =
2467 surrogatediagrec(a, freq.basename, 16, 0);
2468 reclist->num_records++;
2469 dumped_records += this_length;
2473 else /* too big entirely */
2475 yaz_log(log_requestdetail, "Record > maxrcdsz this=%d max=%d",
2476 this_length, a->maximumRecordSize);
2477 reclist->records[reclist->num_records] =
2478 surrogatediagrec(a, freq.basename, 17, 0);
2479 reclist->num_records++;
2480 dumped_records += this_length;
2485 if (!(thisrec = (Z_NamePlusRecord *)
2486 odr_malloc(a->encode, sizeof(*thisrec))))
2489 thisrec->databaseName = odr_strdup(a->encode, freq.basename);
2491 thisrec->databaseName = 0;
2492 thisrec->which = Z_NamePlusRecord_databaseRecord;
2494 if (freq.output_format_raw)
2496 struct oident *ident = oid_getentbyoid(freq.output_format_raw);
2497 freq.output_format = ident->value;
2499 thisrec->u.databaseRecord = z_ext_record(a->encode, freq.output_format,
2500 freq.record, freq.len);
2501 if (!thisrec->u.databaseRecord)
2503 reclist->records[reclist->num_records] = thisrec;
2504 reclist->num_records++;
2506 *num = reclist->num_records;
2510 static Z_APDU *process_searchRequest(association *assoc, request *reqb,
2513 Z_SearchRequest *req = reqb->apdu_request->u.searchRequest;
2514 bend_search_rr *bsrr =
2515 (bend_search_rr *)nmem_malloc (reqb->request_mem, sizeof(*bsrr));
2517 yaz_log(log_requestdetail, "Got SearchRequest.");
2519 bsrr->request = reqb;
2520 bsrr->association = assoc;
2521 bsrr->referenceId = req->referenceId;
2522 save_referenceId (reqb, bsrr->referenceId);
2523 bsrr->srw_sortKeys = 0;
2524 bsrr->srw_setname = 0;
2525 bsrr->srw_setnameIdleTime = 0;
2527 yaz_log (log_requestdetail, "ResultSet '%s'", req->resultSetName);
2528 if (req->databaseNames)
2531 for (i = 0; i < req->num_databaseNames; i++)
2532 yaz_log (log_requestdetail, "Database '%s'", req->databaseNames[i]);
2535 yaz_log_zquery_level(log_requestdetail,req->query);
2537 if (assoc->init->bend_search)
2539 bsrr->setname = req->resultSetName;
2540 bsrr->replace_set = *req->replaceIndicator;
2541 bsrr->num_bases = req->num_databaseNames;
2542 bsrr->basenames = req->databaseNames;
2543 bsrr->query = req->query;
2544 bsrr->stream = assoc->encode;
2545 nmem_transfer(bsrr->stream->mem, reqb->request_mem);
2546 bsrr->decode = assoc->decode;
2547 bsrr->print = assoc->print;
2550 bsrr->errstring = NULL;
2551 bsrr->search_info = NULL;
2553 if (assoc->server && assoc->server->cql_transform
2554 && req->query->which == Z_Query_type_104
2555 && req->query->u.type_104->which == Z_External_CQL)
2557 /* have a CQL query and a CQL to PQF transform .. */
2559 cql2pqf(bsrr->stream, req->query->u.type_104->u.cql,
2560 assoc->server->cql_transform, bsrr->query);
2562 bsrr->errcode = yaz_diag_srw_to_bib1(srw_errcode);
2565 (assoc->init->bend_search)(assoc->backend, bsrr);
2566 if (!bsrr->request) /* backend not ready with the search response */
2567 return 0; /* should not be used any more */
2571 /* FIXME - make a diagnostic for it */
2572 yaz_log(YLOG_WARN,"Search not supported ?!?!");
2574 return response_searchRequest(assoc, reqb, bsrr, fd);
2577 int bend_searchresponse(void *handle, bend_search_rr *bsrr) {return 0;}
2580 * Prepare a searchresponse based on the backend results. We probably want
2581 * to look at making the fetching of records nonblocking as well, but
2582 * so far, we'll keep things simple.
2583 * If bsrt is null, that means we're called in response to a communications
2584 * event, and we'll have to get the response for ourselves.
2586 static Z_APDU *response_searchRequest(association *assoc, request *reqb,
2587 bend_search_rr *bsrt, int *fd)
2589 Z_SearchRequest *req = reqb->apdu_request->u.searchRequest;
2590 Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
2591 Z_SearchResponse *resp = (Z_SearchResponse *)
2592 odr_malloc (assoc->encode, sizeof(*resp));
2593 int *nulint = odr_intdup (assoc->encode, 0);
2594 bool_t *sr = odr_intdup(assoc->encode, 1);
2595 int *next = odr_intdup(assoc->encode, 0);
2596 int *none = odr_intdup(assoc->encode, Z_SearchResponse_none);
2599 apdu->which = Z_APDU_searchResponse;
2600 apdu->u.searchResponse = resp;
2601 resp->referenceId = req->referenceId;
2602 resp->additionalSearchInfo = 0;
2603 resp->otherInfo = 0;
2605 if (!bsrt && !bend_searchresponse(assoc->backend, bsrt))
2607 yaz_log(YLOG_FATAL, "Bad result from backend");
2610 else if (bsrt->errcode)
2612 resp->records = diagrec(assoc, bsrt->errcode, bsrt->errstring);
2613 resp->resultCount = nulint;
2614 resp->numberOfRecordsReturned = nulint;
2615 resp->nextResultSetPosition = nulint;
2616 resp->searchStatus = nulint;
2617 resp->resultSetStatus = none;
2618 resp->presentStatus = 0;
2622 int *toget = odr_intdup(assoc->encode, 0);
2623 int *presst = odr_intdup(assoc->encode, 0);
2624 Z_RecordComposition comp, *compp = 0;
2626 yaz_log (log_requestdetail, "resultCount: %d", bsrt->hits);
2629 resp->resultCount = &bsrt->hits;
2631 comp.which = Z_RecordComp_simple;
2632 /* how many records does the user agent want, then? */
2633 if (bsrt->hits <= *req->smallSetUpperBound)
2635 *toget = bsrt->hits;
2636 if ((comp.u.simple = req->smallSetElementSetNames))
2639 else if (bsrt->hits < *req->largeSetLowerBound)
2641 *toget = *req->mediumSetPresentNumber;
2642 if (*toget > bsrt->hits)
2643 *toget = bsrt->hits;
2644 if ((comp.u.simple = req->mediumSetElementSetNames))
2650 if (*toget && !resp->records)
2655 if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)))
2658 form = prefformat->value;
2660 /* Call bend_present if defined */
2661 if (assoc->init->bend_present)
2663 bend_present_rr *bprr = (bend_present_rr *)
2664 nmem_malloc (reqb->request_mem, sizeof(*bprr));
2665 bprr->setname = req->resultSetName;
2667 bprr->number = *toget;
2668 bprr->format = form;
2670 bprr->referenceId = req->referenceId;
2671 bprr->stream = assoc->encode;
2672 bprr->print = assoc->print;
2673 bprr->request = reqb;
2674 bprr->association = assoc;
2676 bprr->errstring = NULL;
2677 (*assoc->init->bend_present)(assoc->backend, bprr);
2683 resp->records = diagrec(assoc, bprr->errcode, bprr->errstring);
2684 *resp->presentStatus = Z_PresentStatus_failure;
2689 resp->records = pack_records(assoc, req->resultSetName, 1,
2690 toget, compp, next, presst, form, req->referenceId,
2691 req->preferredRecordSyntax, NULL);
2694 resp->numberOfRecordsReturned = toget;
2695 returnedrecs = *toget;
2696 resp->nextResultSetPosition = next;
2697 resp->searchStatus = sr;
2698 resp->resultSetStatus = 0;
2699 resp->presentStatus = presst;
2703 if (*resp->resultCount)
2705 resp->numberOfRecordsReturned = nulint;
2706 resp->nextResultSetPosition = next;
2707 resp->searchStatus = sr;
2708 resp->resultSetStatus = 0;
2709 resp->presentStatus = 0;
2712 resp->additionalSearchInfo = bsrt->search_info;
2716 WRBUF wr = wrbuf_alloc();
2718 wrbuf_printf(wr, "ERROR %d", bsrt->errcode);
2720 wrbuf_printf(wr, "OK %d", bsrt->hits);
2721 wrbuf_printf(wr, " %s 1+%d ",
2722 req->resultSetName, returnedrecs);
2723 yaz_query_to_wrbuf(wr, req->query);
2725 yaz_log(log_request, "Search %s", wrbuf_buf(wr));
2732 * Maybe we got a little over-friendly when we designed bend_fetch to
2733 * get only one record at a time. Some backends can optimise multiple-record
2734 * fetches, and at any rate, there is some overhead involved in
2735 * all that selecting and hopping around. Problem is, of course, that the
2736 * frontend can't know ahead of time how many records it'll need to
2737 * fill the negotiated PDU size. Annoying. Segmentation or not, Z/SR
2738 * is downright lousy as a bulk data transfer protocol.
2740 * To start with, we'll do the fetching of records from the backend
2741 * in one operation: To save some trips in and out of the event-handler,
2742 * and to simplify the interface to pack_records. At any rate, asynch
2743 * operation is more fun in operations that have an unpredictable execution
2744 * speed - which is normally more true for search than for present.
2746 static Z_APDU *process_presentRequest(association *assoc, request *reqb,
2749 Z_PresentRequest *req = reqb->apdu_request->u.presentRequest;
2753 Z_PresentResponse *resp;
2757 const char *errstring = 0;
2759 yaz_log(log_requestdetail, "Got PresentRequest.");
2761 if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)))
2764 form = prefformat->value;
2765 resp = (Z_PresentResponse *)odr_malloc (assoc->encode, sizeof(*resp));
2767 resp->presentStatus = odr_intdup(assoc->encode, 0);
2768 if (assoc->init->bend_present)
2770 bend_present_rr *bprr = (bend_present_rr *)
2771 nmem_malloc (reqb->request_mem, sizeof(*bprr));
2772 bprr->setname = req->resultSetId;
2773 bprr->start = *req->resultSetStartPoint;
2774 bprr->number = *req->numberOfRecordsRequested;
2775 bprr->format = form;
2776 bprr->comp = req->recordComposition;
2777 bprr->referenceId = req->referenceId;
2778 bprr->stream = assoc->encode;
2779 bprr->print = assoc->print;
2780 bprr->request = reqb;
2781 bprr->association = assoc;
2783 bprr->errstring = NULL;
2784 (*assoc->init->bend_present)(assoc->backend, bprr);
2787 return 0; /* should not happen */
2790 resp->records = diagrec(assoc, bprr->errcode, bprr->errstring);
2791 *resp->presentStatus = Z_PresentStatus_failure;
2792 errcode = bprr->errcode;
2793 errstring = bprr->errstring;
2796 apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
2797 next = odr_intdup(assoc->encode, 0);
2798 num = odr_intdup(assoc->encode, 0);
2800 apdu->which = Z_APDU_presentResponse;
2801 apdu->u.presentResponse = resp;
2802 resp->referenceId = req->referenceId;
2803 resp->otherInfo = 0;
2807 *num = *req->numberOfRecordsRequested;
2809 pack_records(assoc, req->resultSetId, *req->resultSetStartPoint,
2810 num, req->recordComposition, next,
2811 resp->presentStatus,
2812 form, req->referenceId, req->preferredRecordSyntax,
2817 WRBUF wr = wrbuf_alloc();
2818 wrbuf_printf(wr, "Present ");
2820 if (*resp->presentStatus == Z_PresentStatus_failure)
2821 wrbuf_printf(wr, "ERROR %d", errcode);
2822 else if (*resp->presentStatus == Z_PresentStatus_success)
2823 wrbuf_printf(wr, "OK -");
2825 wrbuf_printf(wr, "Partial %d", *resp->presentStatus);
2827 wrbuf_printf(wr, " %s %d+%d ",
2828 req->resultSetId, *req->resultSetStartPoint,
2829 *req->numberOfRecordsRequested);
2830 yaz_log(log_request, "%s", wrbuf_buf(wr) );
2835 resp->numberOfRecordsReturned = num;
2836 resp->nextResultSetPosition = next;
2842 * Scan was implemented rather in a hurry, and with support for only the basic
2843 * elements of the service in the backend API. Suggestions are welcome.
2845 static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
2847 Z_ScanRequest *req = reqb->apdu_request->u.scanRequest;
2848 Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
2849 Z_ScanResponse *res = (Z_ScanResponse *)
2850 odr_malloc (assoc->encode, sizeof(*res));
2851 int *scanStatus = odr_intdup(assoc->encode, Z_Scan_failure);
2852 int *numberOfEntriesReturned = odr_intdup(assoc->encode, 0);
2853 Z_ListEntries *ents = (Z_ListEntries *)
2854 odr_malloc (assoc->encode, sizeof(*ents));
2855 Z_DiagRecs *diagrecs_p = NULL;
2857 bend_scan_rr *bsrr = (bend_scan_rr *)
2858 odr_malloc (assoc->encode, sizeof(*bsrr));
2859 struct scan_entry *save_entries;
2861 yaz_log(log_requestdetail, "Got ScanRequest");
2863 apdu->which = Z_APDU_scanResponse;
2864 apdu->u.scanResponse = res;
2865 res->referenceId = req->referenceId;
2867 /* if step is absent, set it to 0 */
2868 res->stepSize = odr_intdup(assoc->encode, 0);
2870 *res->stepSize = *req->stepSize;
2872 res->scanStatus = scanStatus;
2873 res->numberOfEntriesReturned = numberOfEntriesReturned;
2874 res->positionOfTerm = 0;
2875 res->entries = ents;
2876 ents->num_entries = 0;
2877 ents->entries = NULL;
2878 ents->num_nonsurrogateDiagnostics = 0;
2879 ents->nonsurrogateDiagnostics = NULL;
2880 res->attributeSet = 0;
2883 if (req->databaseNames)
2886 for (i = 0; i < req->num_databaseNames; i++)
2887 yaz_log (log_requestdetail, "Database '%s'", req->databaseNames[i]);
2889 bsrr->scanClause = 0;
2891 bsrr->errstring = 0;
2892 bsrr->num_bases = req->num_databaseNames;
2893 bsrr->basenames = req->databaseNames;
2894 bsrr->num_entries = *req->numberOfTermsRequested;
2895 bsrr->term = req->termListAndStartPoint;
2896 bsrr->referenceId = req->referenceId;
2897 bsrr->stream = assoc->encode;
2898 bsrr->print = assoc->print;
2899 bsrr->step_size = res->stepSize;
2901 /* For YAZ 2.0 and earlier it was the backend handler that
2902 initialized entries (member display_term did not exist)
2903 YAZ 2.0 and later sets 'entries' and initialize all members
2904 including 'display_term'. If YAZ 2.0 or later sees that
2905 entries was modified - we assume that it is an old handler and
2906 that 'display_term' is _not_ set.
2908 if (bsrr->num_entries > 0)
2911 bsrr->entries = odr_malloc(assoc->decode, sizeof(*bsrr->entries) *
2913 for (i = 0; i<bsrr->num_entries; i++)
2915 bsrr->entries[i].term = 0;
2916 bsrr->entries[i].occurrences = 0;
2917 bsrr->entries[i].errcode = 0;
2918 bsrr->entries[i].errstring = 0;
2919 bsrr->entries[i].display_term = 0;
2922 save_entries = bsrr->entries; /* save it so we can compare later */
2924 if (req->attributeSet &&
2925 (attset = oid_getentbyoid(req->attributeSet)) &&
2926 (attset->oclass == CLASS_ATTSET || attset->oclass == CLASS_GENERAL))
2927 bsrr->attributeset = attset->value;
2929 bsrr->attributeset = VAL_NONE;
2930 log_scan_term_level (log_requestdetail, req->termListAndStartPoint,
2931 bsrr->attributeset);
2932 bsrr->term_position = req->preferredPositionInResponse ?
2933 *req->preferredPositionInResponse : 1;
2935 ((int (*)(void *, bend_scan_rr *))
2936 (*assoc->init->bend_scan))(assoc->backend, bsrr);
2939 diagrecs_p = zget_DiagRecs(assoc->encode,
2940 bsrr->errcode, bsrr->errstring);
2944 Z_Entry **tab = (Z_Entry **)
2945 odr_malloc (assoc->encode, sizeof(*tab) * bsrr->num_entries);
2947 if (bsrr->status == BEND_SCAN_PARTIAL)
2948 *scanStatus = Z_Scan_partial_5;
2950 *scanStatus = Z_Scan_success;
2951 ents->entries = tab;
2952 ents->num_entries = bsrr->num_entries;
2953 res->numberOfEntriesReturned = &ents->num_entries;
2954 res->positionOfTerm = &bsrr->term_position;
2955 for (i = 0; i < bsrr->num_entries; i++)
2961 tab[i] = e = (Z_Entry *)odr_malloc(assoc->encode, sizeof(*e));
2962 if (bsrr->entries[i].occurrences >= 0)
2964 e->which = Z_Entry_termInfo;
2965 e->u.termInfo = t = (Z_TermInfo *)
2966 odr_malloc(assoc->encode, sizeof(*t));
2967 t->suggestedAttributes = 0;
2969 if (save_entries == bsrr->entries &&
2970 bsrr->entries[i].display_term)
2972 /* the entries was _not_ set by the handler. So it's
2973 safe to test for new member display_term. It is
2976 t->displayTerm = odr_strdup(assoc->encode,
2977 bsrr->entries[i].display_term);
2979 t->alternativeTerm = 0;
2980 t->byAttributes = 0;
2981 t->otherTermInfo = 0;
2982 t->globalOccurrences = &bsrr->entries[i].occurrences;
2983 t->term = (Z_Term *)
2984 odr_malloc(assoc->encode, sizeof(*t->term));
2985 t->term->which = Z_Term_general;
2986 t->term->u.general = o =
2987 (Odr_oct *)odr_malloc(assoc->encode, sizeof(Odr_oct));
2988 o->buf = (unsigned char *)
2989 odr_malloc(assoc->encode, o->len = o->size =
2990 strlen(bsrr->entries[i].term));
2991 memcpy(o->buf, bsrr->entries[i].term, o->len);
2992 yaz_log(YLOG_DEBUG, " term #%d: '%s' (%d)", i,
2993 bsrr->entries[i].term, bsrr->entries[i].occurrences);
2997 Z_DiagRecs *drecs = zget_DiagRecs(assoc->encode,
2998 bsrr->entries[i].errcode,
2999 bsrr->entries[i].errstring);
3000 assert (drecs->num_diagRecs == 1);
3001 e->which = Z_Entry_surrogateDiagnostic;
3002 assert (drecs->diagRecs[0]);
3003 e->u.surrogateDiagnostic = drecs->diagRecs[0];
3009 ents->num_nonsurrogateDiagnostics = diagrecs_p->num_diagRecs;
3010 ents->nonsurrogateDiagnostics = diagrecs_p->diagRecs;
3014 WRBUF wr = wrbuf_alloc();
3016 wr_diag(wr, bsrr->errcode, bsrr->errstring);
3017 else if (*res->scanStatus == Z_Scan_success)
3018 wrbuf_printf(wr, "OK");
3020 wrbuf_printf(wr, "Partial");
3022 wrbuf_printf(wr, " %d+%d %d ",
3023 (req->preferredPositionInResponse ?
3024 *req->preferredPositionInResponse : 1),
3025 *req->numberOfTermsRequested,
3026 (res->stepSize ? *res->stepSize : 0));
3027 yaz_scan_to_wrbuf(wr, req->termListAndStartPoint,
3028 bsrr->attributeset);
3029 yaz_log(log_request, "Scan %s", wrbuf_buf(wr) );
3035 static Z_APDU *process_sortRequest(association *assoc, request *reqb,
3039 Z_SortRequest *req = reqb->apdu_request->u.sortRequest;
3040 Z_SortResponse *res = (Z_SortResponse *)
3041 odr_malloc (assoc->encode, sizeof(*res));
3042 bend_sort_rr *bsrr = (bend_sort_rr *)
3043 odr_malloc (assoc->encode, sizeof(*bsrr));
3045 Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
3047 yaz_log(log_requestdetail, "Got SortRequest.");
3049 bsrr->num_input_setnames = req->num_inputResultSetNames;
3050 for (i=0;i<req->num_inputResultSetNames;i++)
3051 yaz_log(log_requestdetail, "Input resultset: '%s'",
3052 req->inputResultSetNames[i]);
3053 bsrr->input_setnames = req->inputResultSetNames;
3054 bsrr->referenceId = req->referenceId;
3055 bsrr->output_setname = req->sortedResultSetName;
3056 yaz_log(log_requestdetail, "Output resultset: '%s'",
3057 req->sortedResultSetName);
3058 bsrr->sort_sequence = req->sortSequence;
3059 /*FIXME - dump those sequences too */
3060 bsrr->stream = assoc->encode;
3061 bsrr->print = assoc->print;
3063 bsrr->sort_status = Z_SortResponse_failure;
3065 bsrr->errstring = 0;
3067 (*assoc->init->bend_sort)(assoc->backend, bsrr);
3069 res->referenceId = bsrr->referenceId;
3070 res->sortStatus = odr_intdup(assoc->encode, bsrr->sort_status);
3071 res->resultSetStatus = 0;
3074 Z_DiagRecs *dr = zget_DiagRecs(assoc->encode,
3075 bsrr->errcode, bsrr->errstring);
3076 res->diagnostics = dr->diagRecs;
3077 res->num_diagnostics = dr->num_diagRecs;
3081 res->num_diagnostics = 0;
3082 res->diagnostics = 0;
3084 res->resultCount = 0;
3087 apdu->which = Z_APDU_sortResponse;
3088 apdu->u.sortResponse = res;
3091 WRBUF wr = wrbuf_alloc();
3092 wrbuf_printf(wr, "Sort ");
3094 wrbuf_printf(wr, " ERROR %d", bsrr->errcode);
3096 wrbuf_printf(wr, "OK -");
3097 wrbuf_printf(wr, " (");
3098 for (i = 0; i<req->num_inputResultSetNames; i++)
3101 wrbuf_printf(wr, ",");
3102 wrbuf_printf(wr, req->inputResultSetNames[i]);
3104 wrbuf_printf(wr, ")->%s ",req->sortedResultSetName);
3106 yaz_log(log_request, "%s", wrbuf_buf(wr) );
3112 static Z_APDU *process_deleteRequest(association *assoc, request *reqb,
3116 Z_DeleteResultSetRequest *req =
3117 reqb->apdu_request->u.deleteResultSetRequest;
3118 Z_DeleteResultSetResponse *res = (Z_DeleteResultSetResponse *)
3119 odr_malloc (assoc->encode, sizeof(*res));
3120 bend_delete_rr *bdrr = (bend_delete_rr *)
3121 odr_malloc (assoc->encode, sizeof(*bdrr));
3122 Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
3124 yaz_log(log_requestdetail, "Got DeleteRequest.");
3126 bdrr->num_setnames = req->num_resultSetList;
3127 bdrr->setnames = req->resultSetList;
3128 for (i = 0; i<req->num_resultSetList; i++)
3129 yaz_log(log_requestdetail, "resultset: '%s'",
3130 req->resultSetList[i]);
3131 bdrr->stream = assoc->encode;
3132 bdrr->print = assoc->print;
3133 bdrr->function = *req->deleteFunction;
3134 bdrr->referenceId = req->referenceId;
3136 if (bdrr->num_setnames > 0)
3138 bdrr->statuses = (int*)
3139 odr_malloc(assoc->encode, sizeof(*bdrr->statuses) *
3140 bdrr->num_setnames);
3141 for (i = 0; i < bdrr->num_setnames; i++)
3142 bdrr->statuses[i] = 0;
3144 (*assoc->init->bend_delete)(assoc->backend, bdrr);
3146 res->referenceId = req->referenceId;
3148 res->deleteOperationStatus = odr_intdup(assoc->encode,bdrr->delete_status);
3150 res->deleteListStatuses = 0;
3151 if (bdrr->num_setnames > 0)
3154 res->deleteListStatuses = (Z_ListStatuses *)
3155 odr_malloc(assoc->encode, sizeof(*res->deleteListStatuses));
3156 res->deleteListStatuses->num = bdrr->num_setnames;
3157 res->deleteListStatuses->elements =
3159 odr_malloc (assoc->encode,
3160 sizeof(*res->deleteListStatuses->elements) *
3161 bdrr->num_setnames);
3162 for (i = 0; i<bdrr->num_setnames; i++)
3164 res->deleteListStatuses->elements[i] =
3166 odr_malloc (assoc->encode,
3167 sizeof(**res->deleteListStatuses->elements));
3168 res->deleteListStatuses->elements[i]->status = bdrr->statuses+i;
3169 res->deleteListStatuses->elements[i]->id =
3170 odr_strdup (assoc->encode, bdrr->setnames[i]);
3173 res->numberNotDeleted = 0;
3174 res->bulkStatuses = 0;
3175 res->deleteMessage = 0;
3178 apdu->which = Z_APDU_deleteResultSetResponse;
3179 apdu->u.deleteResultSetResponse = res;
3182 WRBUF wr = wrbuf_alloc();
3183 wrbuf_printf(wr, "Delete ");
3184 if (bdrr->delete_status)
3185 wrbuf_printf(wr, "ERROR %d", bdrr->delete_status);
3187 wrbuf_printf(wr, "OK -");
3188 for (i = 0; i<req->num_resultSetList; i++)
3189 wrbuf_printf(wr, " %s ", req->resultSetList[i]);
3190 yaz_log(log_request, "%s", wrbuf_buf(wr) );
3196 static void process_close(association *assoc, request *reqb)
3198 Z_Close *req = reqb->apdu_request->u.close;
3199 static char *reasons[] =
3206 "securityViolation",
3213 yaz_log(log_requestdetail, "Got Close, reason %s, message %s",
3214 reasons[*req->closeReason], req->diagnosticInformation ?
3215 req->diagnosticInformation : "NULL");
3216 if (assoc->version < 3) /* to make do_force respond with close */
3218 do_close_req(assoc, Z_Close_finished,
3219 "Association terminated by client", reqb);
3220 yaz_log(log_request,"Close OK");
3223 void save_referenceId (request *reqb, Z_ReferenceId *refid)
3227 reqb->len_refid = refid->len;
3228 reqb->refid = (char *)nmem_malloc (reqb->request_mem, refid->len);
3229 memcpy (reqb->refid, refid->buf, refid->len);
3233 reqb->len_refid = 0;
3238 void bend_request_send (bend_association a, bend_request req, Z_APDU *res)
3240 process_z_response (a, req, res);
3243 bend_request bend_request_mk (bend_association a)
3245 request *nreq = request_get (&a->outgoing);
3246 nreq->request_mem = nmem_create ();
3250 Z_ReferenceId *bend_request_getid (ODR odr, bend_request req)
3255 id = (Odr_oct *)odr_malloc (odr, sizeof(*odr));
3256 id->buf = (unsigned char *)odr_malloc (odr, req->len_refid);
3257 id->len = id->size = req->len_refid;
3258 memcpy (id->buf, req->refid, req->len_refid);
3262 void bend_request_destroy (bend_request *req)
3264 nmem_destroy((*req)->request_mem);
3265 request_release(*req);
3269 int bend_backend_respond (bend_association a, bend_request req)
3273 r = process_z_request (a, req, &msg);
3275 yaz_log (YLOG_WARN, "%s", msg);
3279 void bend_request_setdata(bend_request r, void *p)
3284 void *bend_request_getdata(bend_request r)
3286 return r->clientData;
3289 static Z_APDU *process_segmentRequest (association *assoc, request *reqb)
3291 bend_segment_rr req;
3293 req.segment = reqb->apdu_request->u.segmentRequest;
3294 req.stream = assoc->encode;
3295 req.decode = assoc->decode;
3296 req.print = assoc->print;
3297 req.association = assoc;
3299 (*assoc->init->bend_segment)(assoc->backend, &req);
3304 static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd)
3306 bend_esrequest_rr esrequest;
3307 const char *ext_name = "unknown";
3309 Z_ExtendedServicesRequest *req =
3310 reqb->apdu_request->u.extendedServicesRequest;
3311 Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_extendedServicesResponse);
3313 Z_ExtendedServicesResponse *resp = apdu->u.extendedServicesResponse;
3315 esrequest.esr = reqb->apdu_request->u.extendedServicesRequest;
3316 esrequest.stream = assoc->encode;
3317 esrequest.decode = assoc->decode;
3318 esrequest.print = assoc->print;
3319 esrequest.errcode = 0;
3320 esrequest.errstring = NULL;
3321 esrequest.request = reqb;
3322 esrequest.association = assoc;
3323 esrequest.taskPackage = 0;
3324 esrequest.referenceId = req->referenceId;
3327 if (esrequest.esr && esrequest.esr->taskSpecificParameters)
3329 switch(esrequest.esr->taskSpecificParameters->which)
3331 case Z_External_itemOrder:
3332 ext_name = "ItemOrder"; break;
3333 case Z_External_update:
3334 ext_name = "Update"; break;
3335 case Z_External_update0:
3336 ext_name = "Update0"; break;
3337 case Z_External_ESAdmin:
3338 ext_name = "Admin"; break;
3343 (*assoc->init->bend_esrequest)(assoc->backend, &esrequest);
3345 /* If the response is being delayed, return NULL */
3346 if (esrequest.request == NULL)
3349 resp->referenceId = req->referenceId;
3351 if (esrequest.errcode == -1)
3353 /* Backend service indicates request will be processed */
3354 yaz_log(log_request, "Extended Service: %s (accepted)", ext_name);
3355 *resp->operationStatus = Z_ExtendedServicesResponse_accepted;
3357 else if (esrequest.errcode == 0)
3359 /* Backend service indicates request will be processed */
3360 yaz_log(log_request, "Extended Service: %s (done)", ext_name);
3361 *resp->operationStatus = Z_ExtendedServicesResponse_done;
3365 Z_DiagRecs *diagRecs =
3366 zget_DiagRecs(assoc->encode, esrequest.errcode,
3367 esrequest.errstring);
3368 /* Backend indicates error, request will not be processed */
3369 yaz_log(log_request, "Extended Service: %s (failed)", ext_name);
3370 *resp->operationStatus = Z_ExtendedServicesResponse_failure;
3371 resp->num_diagnostics = diagRecs->num_diagRecs;
3372 resp->diagnostics = diagRecs->diagRecs;
3375 WRBUF wr = wrbuf_alloc();
3376 wrbuf_diags(wr, resp->num_diagnostics, resp->diagnostics);
3377 yaz_log(log_request, "EsRequest %s", wrbuf_buf(wr) );
3382 /* Do something with the members of bend_extendedservice */
3383 if (esrequest.taskPackage)
3384 resp->taskPackage = z_ext_record (assoc->encode, VAL_EXTENDED,
3385 (const char *) esrequest.taskPackage,
3387 yaz_log(YLOG_DEBUG,"Send the result apdu");
3394 * indent-tabs-mode: nil
3396 * vim: shiftwidth=4 tabstop=8 expandtab