YAZ  5.23.1
seshigh.c
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1 /* This file is part of the YAZ toolkit.
2  * Copyright (C) Index Data
3  * See the file LICENSE for details.
4  */
28 #if HAVE_CONFIG_H
29 #include <config.h>
30 #endif
31 
32 #include <limits.h>
33 #include <stdlib.h>
34 #include <stdio.h>
35 #include <assert.h>
36 
37 #if HAVE_SYS_TYPES_H
38 #include <sys/types.h>
39 #endif
40 #if HAVE_SYS_STAT_H
41 #include <sys/stat.h>
42 #endif
43 
44 #ifdef WIN32
45 #include <io.h>
46 #define S_ISREG(x) (x & _S_IFREG)
47 #include <process.h>
48 #endif
49 
50 #if HAVE_UNISTD_H
51 #include <unistd.h>
52 #endif
53 
54 #if YAZ_HAVE_XML2
55 #include <libxml/parser.h>
56 #include <libxml/tree.h>
57 #endif
58 
59 #include <yaz/facet.h>
60 #include <yaz/xmalloc.h>
61 #include <yaz/comstack.h>
62 #include "eventl.h"
63 #include "session.h"
64 #include "mime.h"
65 #include <yaz/proto.h>
66 #include <yaz/oid_db.h>
67 #include <yaz/log.h>
68 #include <yaz/logrpn.h>
69 #include <yaz/querytowrbuf.h>
70 #include <yaz/statserv.h>
71 #include <yaz/diagbib1.h>
72 #include <yaz/charneg.h>
73 #include <yaz/otherinfo.h>
74 #include <yaz/yaz-util.h>
75 #include <yaz/pquery.h>
76 #include <yaz/oid_db.h>
77 #include <yaz/query-charset.h>
78 #include <yaz/srw.h>
79 #include <yaz/backend.h>
80 #include <yaz/yaz-ccl.h>
81 
82 static void process_gdu_request(association *assoc, request *req);
83 static int process_z_request(association *assoc, request *req, char **msg);
84 static int process_gdu_response(association *assoc, request *req, Z_GDU *res);
85 static int process_z_response(association *assoc, request *req, Z_APDU *res);
86 static Z_APDU *process_initRequest(association *assoc, request *reqb);
87 static Z_External *init_diagnostics(ODR odr, int errcode,
88  const char *errstring);
89 static Z_APDU *process_searchRequest(association *assoc, request *reqb);
90 static Z_APDU *response_searchRequest(association *assoc, request *reqb,
91  bend_search_rr *bsrr);
92 static Z_APDU *process_presentRequest(association *assoc, request *reqb);
93 static Z_APDU *process_scanRequest(association *assoc, request *reqb);
94 static Z_APDU *process_sortRequest(association *assoc, request *reqb);
95 static void process_close(association *assoc, request *reqb);
96 static Z_APDU *process_deleteRequest(association *assoc, request *reqb);
97 static Z_APDU *process_segmentRequest(association *assoc, request *reqb);
98 static Z_APDU *process_ESRequest(association *assoc, request *reqb);
99 
100 /* dynamic logging levels */
101 static int logbits_set = 0;
102 static int log_session = 0; /* one-line logs for session */
103 static int log_sessiondetail = 0; /* more detailed stuff */
104 static int log_request = 0; /* one-line logs for requests */
105 static int log_requestdetail = 0; /* more detailed stuff */
106 
108 static void get_logbits(void)
109 { /* needs to be called after parsing cmd-line args that can set loglevels!*/
110  if (!logbits_set)
111  {
112  logbits_set = 1;
113  log_session = yaz_log_module_level("session");
114  log_sessiondetail = yaz_log_module_level("sessiondetail");
115  log_request = yaz_log_module_level("request");
116  log_requestdetail = yaz_log_module_level("requestdetail");
117  }
118 }
119 
120 static void wr_diag(WRBUF w, int error, const char *addinfo)
121 {
122  wrbuf_printf(w, "ERROR %d+", error);
123  wrbuf_puts_replace_char(w, diagbib1_str(error), ' ', '_');
124  if (addinfo)
125  {
126  wrbuf_puts(w, "+");
127  wrbuf_puts_replace_char(w, addinfo, ' ', '_');
128  }
129  wrbuf_puts(w, " ");
130 }
131 
132 static int odr_int_to_int(Odr_int v)
133 {
134  if (v >= INT_MAX)
135  return INT_MAX;
136  else if (v <= INT_MIN)
137  return INT_MIN;
138  else
139  return (int) v;
140 }
141 
142 /*
143  * Create and initialize a new association-handle.
144  * channel : iochannel for the current line.
145  * link : communications channel.
146  * Returns: 0 or a new association handle.
147  */
149  const char *apdufile)
150 {
151  association *anew;
152 
153  if (!logbits_set)
154  get_logbits();
155  if (!(anew = (association *)xmalloc(sizeof(*anew))))
156  return 0;
157  anew->init = 0;
158  anew->version = 0;
159  anew->last_control = 0;
160  anew->client_chan = channel;
161  anew->client_link = link;
162  anew->cs_get_mask = 0;
163  anew->cs_put_mask = 0;
164  anew->cs_accept_mask = 0;
165  if (!(anew->decode = odr_createmem(ODR_DECODE)) ||
166  !(anew->encode = odr_createmem(ODR_ENCODE)))
167  return 0;
168  if (apdufile && *apdufile)
169  {
170  FILE *f;
171 
172  if (!(anew->print = odr_createmem(ODR_PRINT)))
173  return 0;
174  if (*apdufile == '@')
175  {
176  odr_setprint(anew->print, yaz_log_file());
177  }
178  else if (*apdufile != '-')
179  {
180  char filename[256];
181  sprintf(filename, "%.200s.%ld", apdufile, (long)getpid());
182  if (!(f = fopen(filename, "w")))
183  {
184  yaz_log(YLOG_WARN|YLOG_ERRNO, "%s", filename);
185  return 0;
186  }
187  setvbuf(f, 0, _IONBF, 0);
188  odr_setprint(anew->print, f);
189  }
190  }
191  else
192  anew->print = 0;
193  anew->input_buffer = 0;
194  anew->input_buffer_len = 0;
195  anew->backend = 0;
196  anew->state = ASSOC_NEW;
197  request_initq(&anew->incoming);
198  request_initq(&anew->outgoing);
199  anew->proto = cs_getproto(link);
200  anew->server = 0;
201  return anew;
202 }
203 
204 /*
205  * Free association and release resources.
206  */
208 {
210  request *req;
211 
212  xfree(h->init);
213  odr_destroy(h->decode);
214  odr_destroy(h->encode);
215  if (h->print)
216  odr_destroy(h->print);
217  if (h->input_buffer)
218  xfree(h->input_buffer);
219  if (h->backend)
220  (*cb->bend_close)(h->backend);
221  while ((req = request_deq(&h->incoming)))
222  request_release(req);
223  while ((req = request_deq(&h->outgoing)))
224  request_release(req);
225  request_delq(&h->incoming);
226  request_delq(&h->outgoing);
227  xfree(h);
228  xmalloc_trav("session closed");
229 }
230 
231 static void do_close_req(association *a, int reason, char *message,
232  request *req)
233 {
234  Z_APDU *apdu = zget_APDU(a->encode, Z_APDU_close);
235  Z_Close *cls = apdu->u.close;
236 
237  /* Purge request queue */
238  while (request_deq(&a->incoming));
239  while (request_deq(&a->outgoing));
240  if (a->version >= 3)
241  {
242  yaz_log(log_requestdetail, "Sending Close PDU, reason=%d, message=%s",
243  reason, message ? message : "none");
244  *cls->closeReason = reason;
245  cls->diagnosticInformation = message;
246  process_z_response(a, req, apdu);
248  }
249  else
250  {
251  request_release(req);
252  yaz_log(log_requestdetail, "v2 client. No Close PDU");
253  iochan_setevent(a->client_chan, EVENT_TIMEOUT); /* force imm close */
254  a->cs_put_mask = 0;
255  }
256  a->state = ASSOC_DEAD;
257 }
258 
259 static void do_close(association *a, int reason, char *message)
260 {
261  request *req = request_get(&a->outgoing);
262  do_close_req(a, reason, message, req);
263 }
264 
265 
266 int ir_read(IOCHAN h, int event)
267 {
268  association *assoc = (association *)iochan_getdata(h);
269  COMSTACK conn = assoc->client_link;
270  request *req;
271 
272  if ((assoc->cs_put_mask & EVENT_INPUT) == 0 && (event & assoc->cs_get_mask))
273  {
274  /* We aren't speaking to this fellow */
275  if (assoc->state == ASSOC_DEAD)
276  {
277  yaz_log(log_session, "Connection closed - end of session");
278  cs_close(conn);
279  destroy_association(assoc);
280  iochan_destroy(h);
281  return 0;
282  }
283  assoc->cs_get_mask = EVENT_INPUT;
284 
285  do
286  {
287  int res = cs_get(conn, &assoc->input_buffer,
288  &assoc->input_buffer_len);
289  if (res < 0 && cs_errno(conn) == CSBUFSIZE)
290  {
291  yaz_log(log_session, "Connection error: %s res=%d",
292  cs_errmsg(cs_errno(conn)), res);
293  req = request_get(&assoc->incoming); /* get a new request */
295  "Incoming package too large", req);
296  return 0;
297  }
298  else if (res <= 0)
299  {
300  assoc->state = ASSOC_DEAD;
301  yaz_log(log_session, "Connection closed by client");
302  return 0;
303  }
304  else if (res == 1) /* incomplete read - wait for more */
305  {
306  if (conn->io_pending & CS_WANT_WRITE)
307  assoc->cs_get_mask |= EVENT_OUTPUT;
308  iochan_setflag(h, assoc->cs_get_mask);
309  return 0;
310  }
311  /* we got a complete PDU. Let's decode it */
312  yaz_log(YLOG_DEBUG, "Got PDU, %d bytes: lead=%02X %02X %02X", res,
313  assoc->input_buffer[0] & 0xff,
314  assoc->input_buffer[1] & 0xff,
315  assoc->input_buffer[2] & 0xff);
316  req = request_get(&assoc->incoming); /* get a new request */
317  odr_reset(assoc->decode);
318  odr_setbuf(assoc->decode, assoc->input_buffer, res, 0);
319  if (!z_GDU(assoc->decode, &req->gdu_request, 0, 0))
320  {
321  yaz_log(YLOG_WARN, "ODR error on incoming PDU: %s [element %s] "
322  "[near byte %ld] ",
323  odr_errmsg(odr_geterror(assoc->decode)),
324  odr_getelement(assoc->decode),
325  (long) odr_offset(assoc->decode));
326  if (assoc->decode->error != OHTTP)
327  {
328  yaz_log(YLOG_WARN, "PDU dump:");
329  odr_dumpBER(yaz_log_file(), assoc->input_buffer, res);
330  request_release(req);
331  do_close(assoc, Z_Close_protocolError, "Malformed package");
332  }
333  else
334  {
335  Z_GDU *p = z_get_HTTP_Response(assoc->encode, 400);
336  assoc->state = ASSOC_DEAD;
337  process_gdu_response(assoc, req, p);
338  }
339  return 0;
340  }
341  req->request_mem = odr_extract_mem(assoc->decode);
342  if (assoc->print)
343  {
344  if (!z_GDU(assoc->print, &req->gdu_request, 0, 0))
345  yaz_log(YLOG_WARN, "ODR print error: %s",
346  odr_errmsg(odr_geterror(assoc->print)));
347  odr_reset(assoc->print);
348  }
349  request_enq(&assoc->incoming, req);
350  }
351  while (cs_more(conn));
352  }
353  return 1;
354 }
355 
356 /*
357  * This is where PDUs from the client are read and the further
358  * processing is initiated. Flow of control moves down through the
359  * various process_* functions below, until the encoded result comes back up
360  * to the output handler in here.
361  *
362  * h : the I/O channel that has an outstanding event.
363  * event : the current outstanding event.
364  */
365 void ir_session(IOCHAN h, int event)
366 {
367  int res;
368  association *assoc = (association *)iochan_getdata(h);
369  COMSTACK conn = assoc->client_link;
370  request *req;
371 
372  assert(h && conn && assoc);
373  if (event == EVENT_TIMEOUT)
374  {
375  if (assoc->state != ASSOC_UP)
376  {
377  yaz_log(log_session, "Timeout. Closing connection");
378  /* do we need to lod this at all */
379  cs_close(conn);
380  destroy_association(assoc);
381  iochan_destroy(h);
382  }
383  else
384  {
385  yaz_log(log_sessiondetail, "Timeout. Sending Z39.50 Close");
386  do_close(assoc, Z_Close_lackOfActivity, 0);
387  }
388  return;
389  }
390  if (event & assoc->cs_accept_mask)
391  {
392  if (!cs_accept(conn))
393  {
394  yaz_log(YLOG_WARN, "accept failed");
395  destroy_association(assoc);
396  iochan_destroy(h);
397  return;
398  }
400  if (conn->io_pending)
401  { /* cs_accept didn't complete */
402  assoc->cs_accept_mask =
403  ((conn->io_pending & CS_WANT_WRITE) ? EVENT_OUTPUT : 0) |
404  ((conn->io_pending & CS_WANT_READ) ? EVENT_INPUT : 0);
405 
406  iochan_setflag(h, assoc->cs_accept_mask);
407  }
408  else
409  { /* cs_accept completed. Prepare for reading (cs_get) */
410  assoc->cs_accept_mask = 0;
411  assoc->cs_get_mask = EVENT_INPUT;
412  iochan_setflag(h, assoc->cs_get_mask);
413  }
414  return;
415  }
416  if (event & assoc->cs_get_mask) /* input */
417  {
418  if (!ir_read(h, event))
419  return;
420  req = request_head(&assoc->incoming);
421  if (req->state == REQUEST_IDLE)
422  {
423  request_deq(&assoc->incoming);
424  process_gdu_request(assoc, req);
425  }
426  }
427  if (event & assoc->cs_put_mask)
428  {
429  request *req = request_head(&assoc->outgoing);
430 
431  assoc->cs_put_mask = 0;
432  yaz_log(YLOG_DEBUG, "ir_session (output)");
433  req->state = REQUEST_PENDING;
434  switch (res = cs_put(conn, req->response, req->len_response))
435  {
436  case -1:
437  yaz_log(log_sessiondetail, "Connection closed by client");
438  cs_close(conn);
439  destroy_association(assoc);
440  iochan_destroy(h);
441  break;
442  case 0: /* all sent - release the request structure */
443  yaz_log(YLOG_DEBUG, "Wrote PDU, %d bytes", req->len_response);
444 #if 0
445  yaz_log(YLOG_DEBUG, "HTTP out:\n%.*s", req->len_response,
446  req->response);
447 #endif
448  request_deq(&assoc->outgoing);
449  request_release(req);
450  if (!request_head(&assoc->outgoing))
451  { /* restore mask for cs_get operation ... */
453  iochan_setflag(h, assoc->cs_get_mask);
454  if (assoc->state == ASSOC_DEAD)
456  }
457  else
458  {
459  assoc->cs_put_mask = EVENT_OUTPUT;
460  }
461  break;
462  default:
463  if (conn->io_pending & CS_WANT_WRITE)
464  assoc->cs_put_mask |= EVENT_OUTPUT;
465  if (conn->io_pending & CS_WANT_READ)
466  assoc->cs_put_mask |= EVENT_INPUT;
467  iochan_setflag(h, assoc->cs_put_mask);
468  }
469  }
470  if (event & EVENT_EXCEPT)
471  {
472  if (assoc->state != ASSOC_DEAD)
473  yaz_log(YLOG_WARN, "ir_session (exception)");
474  cs_close(conn);
475  destroy_association(assoc);
476  iochan_destroy(h);
477  }
478 }
479 
480 static int process_z_request(association *assoc, request *req, char **msg);
481 
482 
483 static void assoc_init_reset(association *assoc, const char *peer_name1)
484 {
485  const char *peer_name2 = cs_addrstr(assoc->client_link);
486 
487  xfree(assoc->init);
488  assoc->init = (bend_initrequest *) xmalloc(sizeof(*assoc->init));
489 
490  assoc->init->stream = assoc->encode;
491  assoc->init->print = assoc->print;
492  assoc->init->auth = 0;
493  assoc->init->referenceId = 0;
494  assoc->init->implementation_version = 0;
495  assoc->init->implementation_id = 0;
496  assoc->init->implementation_name = 0;
497  assoc->init->query_charset = 0;
498  assoc->init->records_in_same_charset = 0;
499  assoc->init->bend_sort = NULL;
500  assoc->init->bend_search = NULL;
501  assoc->init->bend_present = NULL;
502  assoc->init->bend_esrequest = NULL;
503  assoc->init->bend_delete = NULL;
504  assoc->init->bend_scan = NULL;
505  assoc->init->bend_segment = NULL;
506  assoc->init->bend_fetch = NULL;
507  assoc->init->bend_explain = NULL;
508  assoc->init->bend_srw_scan = NULL;
509  assoc->init->bend_srw_update = NULL;
510  assoc->init->named_result_sets = 0;
511 
512  assoc->init->charneg_request = NULL;
513  assoc->init->charneg_response = NULL;
514 
515  assoc->init->decode = assoc->decode;
516 
517  assoc->init->peer_name = (char *)
518  odr_malloc(assoc->encode,
519  (peer_name1 ? strlen(peer_name1) : 0)
520  + 4 + strlen(peer_name2));
521  strcpy(assoc->init->peer_name, "");
522  if (peer_name1)
523  {
524  strcat(assoc->init->peer_name, peer_name1);
525  strcat(assoc->init->peer_name, ", ");
526  }
527  strcat(assoc->init->peer_name, peer_name2);
528 
529  yaz_log(log_requestdetail, "peer %s", assoc->init->peer_name);
530 }
531 
532 static int srw_bend_init(association *assoc, Z_HTTP_Header *headers,
533  Z_SRW_diagnostic **d, int *num, Z_SRW_PDU *sr)
534 {
536  if (!assoc->init)
537  {
538  const char *encoding = "UTF-8";
539  Z_External *ce;
540  bend_initresult *binitres;
541 
542  yaz_log(log_requestdetail, "srw_bend_init config=%s", cb->configname);
543  assoc_init_reset(assoc, z_HTTP_header_lookup(headers, "X-Forwarded-For"));
544 
545  if (sr->username)
546  {
548  odr_malloc(assoc->decode, sizeof(*auth));
549  size_t len;
550 
551  len = strlen(sr->username) + 1;
552  if (sr->password)
553  len += strlen(sr->password) + 2;
554  yaz_log(log_requestdetail, "username=%s password-len=%ld",
555  sr->username, (long)
556  (sr->password ? strlen(sr->password) : 0));
558  auth->u.open = (char *) odr_malloc(assoc->decode, len);
559  strcpy(auth->u.open, sr->username);
560  if (sr->password && *sr->password)
561  {
562  strcat(auth->u.open, "/");
563  strcat(auth->u.open, sr->password);
564  }
565  assoc->init->auth = auth;
566  }
567 
568 #if 1
569  ce = yaz_set_proposal_charneg(assoc->decode, &encoding, 1, 0, 0, 1);
570  assoc->init->charneg_request = ce->u.charNeg3;
571 #endif
572  assoc->backend = 0;
573  if (!(binitres = (*cb->bend_init)(assoc->init)))
574  {
575  assoc->state = ASSOC_DEAD;
576  yaz_add_srw_diagnostic(assoc->encode, d, num,
578  return 0;
579  }
580  assoc->backend = binitres->handle;
581  assoc->init->auth = 0;
582  if (binitres->errcode)
583  {
584  int srw_code = yaz_diag_bib1_to_srw(binitres->errcode);
585  assoc->state = ASSOC_DEAD;
586  yaz_add_srw_diagnostic(assoc->encode, d, num, srw_code,
587  binitres->errstring);
588  return 0;
589  }
590  return 1;
591  }
592  return 1;
593 }
594 
595 static int retrieve_fetch(association *assoc, bend_fetch_rr *rr)
596 {
597 #if YAZ_HAVE_XML2
598  yaz_record_conv_t rc = 0;
599  const char *match_schema = 0;
600  Odr_oid *match_syntax = 0;
601 
602  if (assoc->server)
603  {
604  int r;
605  const char *input_schema = yaz_get_esn(rr->comp);
606  Odr_oid *input_syntax_raw = rr->request_format;
607 
608  const char *backend_schema = 0;
609  Odr_oid *backend_syntax = 0;
610 
612  input_schema,
613  input_syntax_raw,
614  &match_schema,
615  &match_syntax,
616  &rc,
617  &backend_schema,
618  &backend_syntax);
619  if (r == -1) /* error ? */
620  {
621  const char *details = yaz_retrieval_get_error(
622  assoc->server->retrieval);
623 
625  if (details)
626  rr->errstring = odr_strdup(rr->stream, details);
627  return -1;
628  }
629  else if (r == 1 || r == 3)
630  {
631  const char *details = input_schema;
632  rr->errcode =
634  if (details)
635  rr->errstring = odr_strdup(rr->stream, details);
636  return -1;
637  }
638  else if (r == 2)
639  {
641  if (input_syntax_raw)
642  {
643  char oidbuf[OID_STR_MAX];
644  oid_oid_to_dotstring(input_syntax_raw, oidbuf);
645  rr->errstring = odr_strdup(rr->stream, oidbuf);
646  }
647  return -1;
648  }
649  if (backend_schema)
650  {
651  yaz_set_esn(&rr->comp, backend_schema, odr_getmem(rr->stream));
652  }
653  if (backend_syntax)
654  rr->request_format = backend_syntax;
655  }
656  (*assoc->init->bend_fetch)(assoc->backend, rr);
657  if (rc && rr->record && rr->errcode == 0)
658  { /* post conversion must take place .. */
659  WRBUF output_record = wrbuf_alloc();
660  int r = 1;
661  const char *details = 0;
662  if (rr->len > 0)
663  {
664  r = yaz_record_conv_record(rc, rr->record, rr->len, output_record);
665  if (r)
666  details = yaz_record_conv_get_error(rc);
667  }
668  else if (rr->len == -1 && rr->output_format &&
670  {
672  rc, (Z_OPACRecord *) rr->record, output_record);
673  if (r)
674  details = yaz_record_conv_get_error(rc);
675  }
676  if (r == 0 && match_syntax &&
677  !oid_oidcmp(match_syntax, yaz_oid_recsyn_opac))
678  {
680  Z_OPACRecord *opac = 0;
681  if (yaz_xml_to_opac(mt, wrbuf_buf(output_record),
682  wrbuf_len(output_record),
683  &opac, 0 /* iconv */, rr->stream->mem, 0)
684  && opac)
685  {
686  rr->len = -1;
687  rr->record = (char *) opac;
688  }
689  else
690  {
691  details = "XML to OPAC conversion failed";
692  r = 1;
693  }
694  yaz_marc_destroy(mt);
695  }
696  else if (r == 0)
697  {
698  rr->len = wrbuf_len(output_record);
699  rr->record = (char *) odr_malloc(rr->stream, rr->len);
700  memcpy(rr->record, wrbuf_buf(output_record), rr->len);
701  }
702  if (r)
703  {
705  rr->surrogate_flag = 1;
706  if (details)
707  rr->errstring = odr_strdup(rr->stream, details);
708  }
709  wrbuf_destroy(output_record);
710  }
711  if (match_syntax)
712  rr->output_format = match_syntax;
713  if (match_schema)
714  rr->schema = odr_strdup(rr->stream, match_schema);
715 #else
716  (*assoc->init->bend_fetch)(assoc->backend, rr);
717 #endif
718  return 0;
719 }
720 
721 static int srw_bend_fetch(association *assoc, int pos,
723  Z_SRW_record *record,
724  const char **addinfo, int *last_in_set)
725 {
726  bend_fetch_rr rr;
727  ODR o = assoc->encode;
728 
729  rr.setname = "default";
730  rr.number = pos;
731  rr.referenceId = 0;
733 
734  rr.comp = (Z_RecordComposition *)
735  odr_malloc(assoc->decode, sizeof(*rr.comp));
737  rr.comp->u.complex = (Z_CompSpec *)
738  odr_malloc(assoc->decode, sizeof(Z_CompSpec));
740  odr_malloc(assoc->encode, sizeof(bool_t));
742  rr.comp->u.complex->num_dbSpecific = 0;
743  rr.comp->u.complex->dbSpecific = 0;
744  rr.comp->u.complex->num_recordSyntax = 0;
745  rr.comp->u.complex->recordSyntax = 0;
746 
748  odr_malloc(assoc->decode, sizeof(Z_Specification));
749 
750  /* schema uri = recordSchema (or NULL if recordSchema is not given) */
752  rr.comp->u.complex->generic->schema.uri = srw_req->recordSchema;
753 
754  /* ESN = recordSchema if recordSchema is present */
755  rr.comp->u.complex->generic->elementSpec = 0;
756  if (srw_req->recordSchema)
757  {
759  (Z_ElementSpec *) odr_malloc(assoc->encode, sizeof(Z_ElementSpec));
763  srw_req->recordSchema;
764  }
765 
766  rr.stream = assoc->encode;
767  rr.print = assoc->print;
768 
769  rr.basename = 0;
770  rr.len = 0;
771  rr.record = 0;
772  rr.last_in_set = 0;
773  rr.errcode = 0;
774  rr.errstring = 0;
775  rr.surrogate_flag = 0;
776  rr.schema = srw_req->recordSchema;
777 
778  if (!assoc->init->bend_fetch)
779  return 1;
780 
781  retrieve_fetch(assoc, &rr);
782 
783  *last_in_set = rr.last_in_set;
784 
785  if (rr.errcode && rr.surrogate_flag)
786  {
787  int code = yaz_diag_bib1_to_srw(rr.errcode);
788  yaz_mk_sru_surrogate(o, record, pos, code, rr.errstring);
789  return 0;
790  }
791  else if (rr.len >= 0)
792  {
793  record->recordData_buf = rr.record;
794  record->recordData_len = rr.len;
795  record->recordPosition = odr_intdup(o, pos);
796  record->recordSchema = odr_strdup_null(
797  o, rr.schema ? rr.schema : srw_req->recordSchema);
798  }
799  if (rr.errcode)
800  {
801  *addinfo = rr.errstring;
802  return rr.errcode;
803  }
804  return 0;
805 }
806 
807 static int cql2pqf(ODR odr, const char *cql, cql_transform_t ct,
808  Z_Query *query_result, char **sortkeys_p)
809 {
810  /* have a CQL query and CQL to PQF transform .. */
812  int r;
813  int srw_errcode = 0;
814  const char *add = 0;
815  WRBUF rpn_buf = wrbuf_alloc();
816 
817  *sortkeys_p = 0;
818  r = cql_parser_string(cp, cql);
819  if (r)
820  {
821  srw_errcode = YAZ_SRW_QUERY_SYNTAX_ERROR;
822  }
823  if (!r)
824  {
825  struct cql_node *cn = cql_parser_result(cp);
826 
827  /* Syntax OK */
828  r = cql_transform(ct, cn, wrbuf_vp_puts, rpn_buf);
829  if (r)
830  srw_errcode = cql_transform_error(ct, &add);
831  else
832  {
833  char out[100];
834  int r = cql_sortby_to_sortkeys_buf(cn, out, sizeof(out)-1);
835 
836  if (r == 0)
837  {
838  if (*out)
839  yaz_log(log_requestdetail, "srw_sortKeys '%s'", out);
840  *sortkeys_p = odr_strdup(odr, out);
841  }
842  else
843  {
844  yaz_log(log_requestdetail, "failed to create srw_sortKeys");
845  srw_errcode = YAZ_SRW_UNSUPP_SORT_TYPE;
846  }
847  }
848  }
849  if (!r)
850  {
851  /* Syntax & transform OK. */
852  /* Convert PQF string to Z39.50 to RPN query struct */
854  Z_RPNQuery *rpnquery = yaz_pqf_parse(pp, odr, wrbuf_cstr(rpn_buf));
855  if (!rpnquery)
856  {
857  size_t off;
858  const char *pqf_msg;
859  int code = yaz_pqf_error(pp, &pqf_msg, &off);
860  yaz_log(YLOG_WARN, "PQF Parser Error %s (code %d)",
861  pqf_msg, code);
862  srw_errcode = YAZ_SRW_QUERY_SYNTAX_ERROR;
863  }
864  else
865  {
866  query_result->which = Z_Query_type_1;
867  query_result->u.type_1 = rpnquery;
868  }
869  yaz_pqf_destroy(pp);
870  }
871  cql_parser_destroy(cp);
872  wrbuf_destroy(rpn_buf);
873  return srw_errcode;
874 }
875 
876 static int cql2pqf_scan(ODR odr, const char *cql, cql_transform_t ct,
877  Z_AttributesPlusTerm *result)
878 {
879  Z_Query query;
880  Z_RPNQuery *rpn;
881  char *sortkeys = 0;
882  int srw_error = cql2pqf(odr, cql, ct, &query, &sortkeys);
883  if (srw_error)
884  return srw_error;
885  if (query.which != Z_Query_type_1 && query.which != Z_Query_type_101)
886  return YAZ_SRW_QUERY_SYNTAX_ERROR; /* bad query type */
887  rpn = query.u.type_1;
888  if (!rpn->RPNStructure)
889  return YAZ_SRW_QUERY_SYNTAX_ERROR; /* must be structure */
891  return YAZ_SRW_QUERY_SYNTAX_ERROR; /* must be simple */
892  if (rpn->RPNStructure->u.simple->which != Z_Operand_APT)
893  return YAZ_SRW_QUERY_SYNTAX_ERROR; /* must be be attributes + term */
894  memcpy(result, rpn->RPNStructure->u.simple->u.attributesPlusTerm,
895  sizeof(*result));
896  return 0;
897 }
898 
899 
900 static int ccl2pqf(ODR odr, const Odr_oct *ccl, CCL_bibset bibset,
901  bend_search_rr *bsrr)
902 {
903  char *ccl0;
904  struct ccl_rpn_node *node;
905  int errcode, pos;
906 
907  ccl0 = odr_strdupn(odr, (char*) ccl->buf, ccl->len);
908  if ((node = ccl_find_str(bibset, ccl0, &errcode, &pos)) == 0)
909  {
910  bsrr->errstring = (char*) ccl_err_msg(errcode);
911  return YAZ_SRW_QUERY_SYNTAX_ERROR; /* Query syntax error */
912  }
913 
914  bsrr->query->which = Z_Query_type_1;
915  bsrr->query->u.type_1 = ccl_rpn_query(odr, node);
916  return 0;
917 }
918 
919 static void srw_bend_search(association *assoc,
920  Z_HTTP_Header *headers,
921  Z_SRW_PDU *sr,
922  Z_SRW_PDU *res,
923  int *http_code)
924 {
925  Z_SRW_searchRetrieveResponse *srw_res = res->u.response;
926  int srw_error = 0;
927  Z_External *ext;
928  Z_SRW_searchRetrieveRequest *srw_req = sr->u.request;
929 
930  *http_code = 200;
931  yaz_log(log_requestdetail, "Got SRW SearchRetrieveRequest");
932  srw_bend_init(assoc, headers,
933  &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
934  if (srw_res->num_diagnostics == 0 && assoc->init)
935  {
936  bend_search_rr rr;
937  rr.setname = "default";
938  rr.replace_set = 1;
939  rr.num_bases = 1;
940  rr.basenames = &srw_req->database;
941  rr.referenceId = 0;
942  rr.srw_sortKeys = 0;
943  rr.srw_setname = 0;
944  rr.srw_setnameIdleTime = 0;
945  rr.estimated_hit_count = 0;
946  rr.partial_resultset = 0;
947  rr.query = (Z_Query *) odr_malloc(assoc->decode, sizeof(*rr.query));
948  rr.query->u.type_1 = 0;
949  rr.extra_args = sr->extra_args;
950  rr.extra_response_data = 0;
951  rr.present_number = srw_req->maximumRecords ?
952  *srw_req->maximumRecords : 0;
953 
954  if (!srw_req->queryType || !strcmp(srw_req->queryType, "cql"))
955  {
956  if (assoc->server && assoc->server->cql_transform)
957  {
958  int srw_errcode = cql2pqf(assoc->encode, srw_req->query,
959  assoc->server->cql_transform,
960  rr.query,
961  &rr.srw_sortKeys);
962 
963  if (srw_errcode)
964  {
966  &srw_res->diagnostics,
967  &srw_res->num_diagnostics,
968  srw_errcode, 0);
969  }
970  }
971  else
972  {
973  /* CQL query to backend. Wrap it - Z39.50 style */
974  ext = (Z_External *) odr_malloc(assoc->decode, sizeof(*ext));
976  "1.2.840.10003.16.2");
977  ext->indirect_reference = 0;
978  ext->descriptor = 0;
979  ext->which = Z_External_CQL;
980  ext->u.cql = srw_req->query;
981 
983  rr.query->u.type_104 = ext;
984  }
985  }
986  else if (!strcmp(srw_req->queryType, "pqf"))
987  {
988  Z_RPNQuery *RPNquery;
989  YAZ_PQF_Parser pqf_parser;
990 
991  pqf_parser = yaz_pqf_create();
992 
993  RPNquery = yaz_pqf_parse(pqf_parser, assoc->decode, srw_req->query);
994  if (!RPNquery)
995  {
996  const char *pqf_msg;
997  size_t off;
998  int code = yaz_pqf_error(pqf_parser, &pqf_msg, &off);
999  yaz_log(log_requestdetail, "Parse error %d %s near offset %ld",
1000  code, pqf_msg, (long) off);
1001  srw_error = YAZ_SRW_QUERY_SYNTAX_ERROR;
1002  }
1003 
1004  rr.query->which = Z_Query_type_1;
1005  rr.query->u.type_1 = RPNquery;
1006 
1007  yaz_pqf_destroy(pqf_parser);
1008  }
1009  else
1010  {
1011  yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1012  &srw_res->num_diagnostics,
1014  }
1015  if (rr.query->u.type_1)
1016  {
1017  rr.stream = assoc->encode;
1018  rr.decode = assoc->decode;
1019  rr.print = assoc->print;
1020  if (srw_req->sort.sortKeys)
1021  rr.srw_sortKeys = odr_strdup(assoc->encode,
1022  srw_req->sort.sortKeys);
1023  rr.association = assoc;
1024  rr.hits = 0;
1025  rr.errcode = 0;
1026  rr.errstring = 0;
1027  rr.search_info = 0;
1028  rr.search_input = 0;
1029 
1030  if (srw_req->facetList)
1032  srw_req->facetList);
1033 
1035 
1036  (assoc->init->bend_search)(assoc->backend, &rr);
1037  if (rr.errcode)
1038  {
1040  {
1041  *http_code = 404;
1042  }
1043  else
1044  {
1045  srw_error = yaz_diag_bib1_to_srw(rr.errcode);
1047  &srw_res->diagnostics,
1048  &srw_res->num_diagnostics,
1049  srw_error, rr.errstring);
1050  }
1051  }
1052  else
1053  {
1054  int number = srw_req->maximumRecords ?
1055  odr_int_to_int(*srw_req->maximumRecords) : 0;
1056  int start = srw_req->startRecord ?
1057  odr_int_to_int(*srw_req->startRecord) : 1;
1058 
1059  yaz_log(log_requestdetail, "Request to pack %d+%d out of "
1061  start, number, rr.hits);
1062 
1063  srw_res->numberOfRecords = odr_intdup(assoc->encode, rr.hits);
1064  if (rr.srw_setname)
1065  {
1066  srw_res->resultSetId =
1067  odr_strdup(assoc->encode, rr.srw_setname );
1068  srw_res->resultSetIdleTime =
1069  odr_intdup(assoc->encode, *rr.srw_setnameIdleTime );
1070  }
1071 
1072  srw_res->facetList = yaz_oi_get_facetlist(&rr.search_info);
1073  if (start > rr.hits || start < 1)
1074  {
1075  /* if hits<=0 and start=1 we don't return a diagnostic */
1076  if (start != 1)
1078  assoc->encode,
1079  &srw_res->diagnostics, &srw_res->num_diagnostics,
1081  }
1082  else if (number > 0)
1083  {
1084  int i;
1085  int ok = 1;
1086  if (start + number > rr.hits)
1087  number = odr_int_to_int(rr.hits) - start + 1;
1088 
1089  /* Call bend_present if defined */
1090  if (assoc->init->bend_present)
1091  {
1092  bend_present_rr *bprr = (bend_present_rr*)
1093  odr_malloc(assoc->decode, sizeof(*bprr));
1094  bprr->setname = "default";
1095  bprr->start = start;
1096  bprr->number = number;
1097  if (srw_req->recordSchema)
1098  {
1099  bprr->comp = (Z_RecordComposition *) odr_malloc(assoc->decode,
1100  sizeof(*bprr->comp));
1101  bprr->comp->which = Z_RecordComp_simple;
1102  bprr->comp->u.simple = (Z_ElementSetNames *)
1103  odr_malloc(assoc->decode, sizeof(Z_ElementSetNames));
1105  bprr->comp->u.simple->u.generic = srw_req->recordSchema;
1106  }
1107  else
1108  {
1109  bprr->comp = 0;
1110  }
1111  bprr->stream = assoc->encode;
1112  bprr->referenceId = 0;
1113  bprr->print = assoc->print;
1114  bprr->association = assoc;
1115  bprr->errcode = 0;
1116  bprr->errstring = NULL;
1117  (*assoc->init->bend_present)(assoc->backend, bprr);
1118 
1119  if (bprr->errcode)
1120  {
1121  srw_error = yaz_diag_bib1_to_srw(bprr->errcode);
1123  &srw_res->diagnostics,
1124  &srw_res->num_diagnostics,
1125  srw_error, bprr->errstring);
1126  ok = 0;
1127  }
1128  }
1129 
1130  if (ok)
1131  {
1132  int j = 0;
1133  int packing = Z_SRW_recordPacking_string;
1134  if (srw_req->recordPacking)
1135  {
1136  packing =
1138  if (packing == -1)
1139  packing = Z_SRW_recordPacking_string;
1140  }
1141  srw_res->records = (Z_SRW_record *)
1142  odr_malloc(assoc->encode,
1143  number * sizeof(*srw_res->records));
1144 
1145  srw_res->extra_records = (Z_SRW_extra_record **)
1146  odr_malloc(assoc->encode,
1147  number*sizeof(*srw_res->extra_records));
1148 
1149  for (i = 0; i<number; i++)
1150  {
1151  int errcode;
1152  int last_in_set = 0;
1153  const char *addinfo = 0;
1154 
1155  srw_res->records[j].recordPacking = packing;
1156  srw_res->records[j].recordData_buf = 0;
1157  srw_res->extra_records[j] = 0;
1158  yaz_log(YLOG_DEBUG, "srw_bend_fetch %d", i+start);
1159  errcode = srw_bend_fetch(assoc, i+start, srw_req,
1160  srw_res->records + j,
1161  &addinfo, &last_in_set);
1162  if (errcode)
1163  {
1165  &srw_res->diagnostics,
1166  &srw_res->num_diagnostics,
1167  yaz_diag_bib1_to_srw(errcode),
1168  addinfo);
1169 
1170  break;
1171  }
1172  if (srw_res->records[j].recordData_buf)
1173  j++;
1174  if (last_in_set)
1175  break;
1176  }
1177  srw_res->num_records = j;
1178  if (!j)
1179  srw_res->records = 0;
1180  }
1181  }
1182  if (rr.extra_response_data)
1183  {
1185  res->extraResponseData_len = strlen(rr.extra_response_data);
1186  }
1187  if (strcmp(res->srw_version, "2.") > 0)
1188  {
1189  if (rr.estimated_hit_count)
1190  srw_res->resultCountPrecision =
1191  odr_strdup(assoc->encode, "estimate");
1192  else if (rr.partial_resultset)
1193  srw_res->resultCountPrecision =
1194  odr_strdup(assoc->encode, "minimum");
1195  else
1196  srw_res->resultCountPrecision =
1197  odr_strdup(assoc->encode, "exact");
1198  }
1199  else if (rr.estimated_hit_count || rr.partial_resultset)
1200  {
1202  assoc->encode,
1203  &srw_res->diagnostics,
1204  &srw_res->num_diagnostics,
1206  0);
1207  }
1208  }
1209  }
1210  }
1211  if (log_request)
1212  {
1213  WRBUF wr = wrbuf_alloc();
1214 
1215  wrbuf_printf(wr, "SRWSearch %s ", srw_req->database);
1216  if (srw_res->num_diagnostics)
1217  wrbuf_printf(wr, "ERROR %s", srw_res->diagnostics[0].uri);
1218  else if (*http_code != 200)
1219  wrbuf_printf(wr, "ERROR info:http/%d", *http_code);
1220  else if (srw_res->numberOfRecords)
1221  {
1222  wrbuf_printf(wr, "OK " ODR_INT_PRINTF,
1223  (srw_res->numberOfRecords ?
1224  *srw_res->numberOfRecords : 0));
1225  }
1226  wrbuf_printf(wr, " %s " ODR_INT_PRINTF "+%d",
1227  (srw_res->resultSetId ?
1228  srw_res->resultSetId : "-"),
1229  (srw_req->startRecord ? *srw_req->startRecord : 1),
1230  srw_res->num_records);
1231  yaz_log(log_request, "%s %s: %s", wrbuf_cstr(wr), srw_req->queryType,
1232  srw_req->query);
1233  wrbuf_destroy(wr);
1234  }
1235 }
1236 
1238 {
1239 #if YAZ_HAVE_XML2
1240  xmlNodePtr ptr = (xmlNode *) rr->server_node_ptr;
1241  if (!ptr)
1242  return 0;
1243  for (ptr = ptr->children; ptr; ptr = ptr->next)
1244  {
1245  if (ptr->type != XML_ELEMENT_NODE)
1246  continue;
1247  if (!strcmp((const char *) ptr->name, "explain"))
1248  {
1249  int len;
1250  xmlDocPtr doc = xmlNewDoc(BAD_CAST "1.0");
1251  xmlChar *buf_out;
1252  char *content;
1253 
1254  ptr = xmlCopyNode(ptr, 1);
1255 
1256  xmlDocSetRootElement(doc, ptr);
1257 
1258  xmlDocDumpMemory(doc, &buf_out, &len);
1259  content = (char*) odr_malloc(rr->stream, 1+len);
1260  memcpy(content, buf_out, len);
1261  content[len] = '\0';
1262 
1263  xmlFree(buf_out);
1264  xmlFreeDoc(doc);
1265  rr->explain_buf = content;
1266  return 0;
1267  }
1268  }
1269 #endif
1270  return 0;
1271 }
1272 
1273 static void srw_bend_explain(association *assoc,
1274  Z_HTTP_Header *headers,
1275  Z_SRW_PDU *sr,
1276  Z_SRW_explainResponse *srw_res,
1277  int *http_code)
1278 {
1279  Z_SRW_explainRequest *srw_req = sr->u.explain_request;
1280  yaz_log(log_requestdetail, "Got SRW ExplainRequest");
1281  srw_bend_init(assoc, headers,
1282  &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
1283  if (!assoc->init && srw_res->num_diagnostics == 0)
1284  *http_code = 404;
1285  if (assoc->init)
1286  {
1287  bend_explain_rr rr;
1288 
1289  rr.stream = assoc->encode;
1290  rr.decode = assoc->decode;
1291  rr.print = assoc->print;
1292  rr.explain_buf = 0;
1293  rr.database = srw_req->database;
1294  if (assoc->server)
1295  rr.server_node_ptr = assoc->server->server_node_ptr;
1296  else
1297  rr.server_node_ptr = 0;
1298  rr.schema = "http://explain.z3950.org/dtd/2.0/";
1299  if (assoc->init->bend_explain)
1300  (*assoc->init->bend_explain)(assoc->backend, &rr);
1301  else
1303 
1304  if (rr.explain_buf)
1305  {
1306  int packing = Z_SRW_recordPacking_string;
1307  if (srw_req->recordPacking)
1308  {
1309  packing =
1311  if (packing == -1)
1312  packing = Z_SRW_recordPacking_string;
1313  }
1314  srw_res->record.recordSchema = rr.schema;
1315  srw_res->record.recordPacking = packing;
1316  srw_res->record.recordData_buf = rr.explain_buf;
1317  srw_res->record.recordData_len = strlen(rr.explain_buf);
1318  srw_res->record.recordPosition = 0;
1319  *http_code = 200;
1320  }
1321  }
1322 }
1323 
1324 static void srw_bend_scan(association *assoc,
1325  Z_HTTP_Header *headers,
1326  Z_SRW_PDU *sr,
1327  Z_SRW_PDU *res,
1328  int *http_code)
1329 {
1330  Z_SRW_scanRequest *srw_req = sr->u.scan_request;
1331  Z_SRW_scanResponse *srw_res = res->u.scan_response;
1332  yaz_log(log_requestdetail, "Got SRW ScanRequest");
1333 
1334  *http_code = 200;
1335  srw_bend_init(assoc, headers,
1336  &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
1337  if (srw_res->num_diagnostics == 0 && assoc->init)
1338  {
1339  int step_size = 0;
1340  struct scan_entry *save_entries;
1341 
1342  bend_scan_rr *bsrr = (bend_scan_rr *)
1343  odr_malloc(assoc->encode, sizeof(*bsrr));
1344  bsrr->num_bases = 1;
1345  bsrr->basenames = &srw_req->database;
1346 
1347  bsrr->num_entries = srw_req->maximumTerms ?
1348  odr_int_to_int(*srw_req->maximumTerms) : 10;
1349  bsrr->term_position = srw_req->responsePosition ?
1350  odr_int_to_int(*srw_req->responsePosition) : 1;
1351 
1352  bsrr->errcode = 0;
1353  bsrr->errstring = 0;
1354  bsrr->referenceId = 0;
1355  bsrr->stream = assoc->encode;
1356  bsrr->print = assoc->print;
1357  bsrr->step_size = &step_size;
1358  bsrr->entries = 0;
1359  bsrr->setname = 0;
1360  bsrr->extra_args = sr->extra_args;
1361  bsrr->extra_response_data = 0;
1362 
1363  if (bsrr->num_entries > 0)
1364  {
1365  int i;
1366  bsrr->entries = (struct scan_entry *)
1367  odr_malloc(assoc->decode, sizeof(*bsrr->entries) *
1368  bsrr->num_entries);
1369  for (i = 0; i<bsrr->num_entries; i++)
1370  {
1371  bsrr->entries[i].term = 0;
1372  bsrr->entries[i].occurrences = 0;
1373  bsrr->entries[i].errcode = 0;
1374  bsrr->entries[i].errstring = 0;
1375  bsrr->entries[i].display_term = 0;
1376  }
1377  }
1378  save_entries = bsrr->entries; /* save it so we can compare later */
1379 
1380  if (srw_req->queryType && !strcmp(srw_req->queryType, "pqf") &&
1381  assoc->init->bend_scan)
1382  {
1383  YAZ_PQF_Parser pqf_parser = yaz_pqf_create();
1384 
1385  bsrr->term = yaz_pqf_scan(pqf_parser, assoc->decode,
1386  &bsrr->attributeset,
1387  srw_req->scanClause);
1388  yaz_pqf_destroy(pqf_parser);
1389  bsrr->scanClause = 0;
1390  ((int (*)(void *, bend_scan_rr *))
1391  (*assoc->init->bend_scan))(assoc->backend, bsrr);
1392  }
1393  else if ((!srw_req->queryType || !strcmp(srw_req->queryType, "cql"))
1394  && assoc->init->bend_scan && assoc->server
1395  && assoc->server->cql_transform)
1396  {
1397  int srw_error;
1398  bsrr->scanClause = 0;
1399  bsrr->attributeset = 0;
1400  bsrr->term = (Z_AttributesPlusTerm *)
1401  odr_malloc(assoc->decode, sizeof(*bsrr->term));
1402  srw_error = cql2pqf_scan(assoc->encode,
1403  srw_req->scanClause,
1404  assoc->server->cql_transform,
1405  bsrr->term);
1406  if (srw_error)
1407  yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1408  &srw_res->num_diagnostics,
1409  srw_error, 0);
1410  else
1411  {
1412  ((int (*)(void *, bend_scan_rr *))
1413  (*assoc->init->bend_scan))(assoc->backend, bsrr);
1414  }
1415  }
1416  else if ((!srw_req->queryType || !strcmp(srw_req->queryType, "cql"))
1417  && assoc->init->bend_srw_scan)
1418  {
1419  bsrr->term = 0;
1420  bsrr->attributeset = 0;
1421  bsrr->scanClause = srw_req->scanClause;
1422  ((int (*)(void *, bend_scan_rr *))
1423  (*assoc->init->bend_srw_scan))(assoc->backend, bsrr);
1424  }
1425  else
1426  {
1427  yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1428  &srw_res->num_diagnostics,
1429  YAZ_SRW_UNSUPP_OPERATION, "scan");
1430  }
1431  if (bsrr->extra_response_data)
1432  {
1434  res->extraResponseData_len = strlen(bsrr->extra_response_data);
1435  }
1436  if (bsrr->errcode)
1437  {
1438  int srw_error;
1440  {
1441  *http_code = 404;
1442  return;
1443  }
1444  srw_error = yaz_diag_bib1_to_srw(bsrr->errcode);
1445 
1446  yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
1447  &srw_res->num_diagnostics,
1448  srw_error, bsrr->errstring);
1449  }
1450  else if (srw_res->num_diagnostics == 0 && bsrr->num_entries)
1451  {
1452  int i;
1453  srw_res->terms = (Z_SRW_scanTerm*)
1454  odr_malloc(assoc->encode, sizeof(*srw_res->terms) *
1455  bsrr->num_entries);
1456 
1457  srw_res->num_terms = bsrr->num_entries;
1458  for (i = 0; i<bsrr->num_entries; i++)
1459  {
1460  Z_SRW_scanTerm *t = srw_res->terms + i;
1461  t->value = odr_strdup(assoc->encode, bsrr->entries[i].term);
1462  t->numberOfRecords =
1463  odr_intdup(assoc->encode, bsrr->entries[i].occurrences);
1464  t->displayTerm = 0;
1465  if (save_entries == bsrr->entries &&
1466  bsrr->entries[i].display_term)
1467  {
1468  /* the entries was _not_ set by the handler. So it's
1469  safe to test for new member display_term. It is
1470  NULL'ed by us.
1471  */
1472  t->displayTerm = odr_strdup(assoc->encode,
1473  bsrr->entries[i].display_term);
1474  }
1475  t->whereInList = 0;
1476  }
1477  }
1478  }
1479  if (log_request)
1480  {
1481  WRBUF wr = wrbuf_alloc();
1482  wrbuf_printf(wr, "SRWScan %s ", srw_req->database);
1483 
1484  if (srw_res->num_diagnostics)
1485  wrbuf_printf(wr, "ERROR %s - ", srw_res->diagnostics[0].uri);
1486  else if (srw_res->num_terms)
1487  wrbuf_printf(wr, "OK %d - ", srw_res->num_terms);
1488  else
1489  wrbuf_printf(wr, "OK - - ");
1490 
1492  (srw_req->responsePosition ?
1493  *srw_req->responsePosition : 1),
1494  (srw_req->maximumTerms ?
1495  *srw_req->maximumTerms : 1));
1496  /* there is no step size in SRU/W ??? */
1497  wrbuf_printf(wr, "%s: %s ", srw_req->queryType, srw_req->scanClause);
1498  yaz_log(log_request, "%s ", wrbuf_cstr(wr) );
1499  wrbuf_destroy(wr);
1500  }
1501 
1502 }
1503 
1504 static void srw_bend_update(association *assoc,
1505  Z_HTTP_Header *headers,
1506  Z_SRW_PDU *sr,
1507  Z_SRW_updateResponse *srw_res,
1508  int *http_code)
1509 {
1510  Z_SRW_updateRequest *srw_req = sr->u.update_request;
1511  yaz_log(log_session, "SRWUpdate action=%s", srw_req->operation);
1512  yaz_log(YLOG_DEBUG, "num_diag = %d", srw_res->num_diagnostics );
1513  srw_bend_init(assoc, headers,
1514  &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
1515  if (!assoc->init && srw_res->num_diagnostics == 0)
1516  *http_code = 404;
1517  if (assoc->init)
1518  {
1519  bend_update_rr rr;
1520  Z_SRW_extra_record *extra = srw_req->extra_record;
1521 
1522  rr.stream = assoc->encode;
1523  rr.print = assoc->print;
1524  rr.num_bases = 1;
1525  rr.basenames = &srw_req->database;
1526  rr.operation = srw_req->operation;
1527  rr.operation_status = "failed";
1528  rr.record_id = 0;
1529  rr.record_versions = 0;
1530  rr.num_versions = 0;
1531  rr.record_packing = "string";
1532  rr.record_schema = 0;
1533  rr.record_data = 0;
1534  rr.extra_record_data = 0;
1535  rr.extra_request_data = 0;
1536  rr.extra_response_data = 0;
1537  rr.uri = 0;
1538  rr.message = 0;
1539  rr.details = 0;
1540 
1541  *http_code = 200;
1542  if (rr.operation == 0)
1543  {
1545  assoc->encode, &srw_res->diagnostics,
1546  &srw_res->num_diagnostics,
1548  "action" );
1549  return;
1550  }
1551  yaz_log(YLOG_DEBUG, "basename = %s", rr.basenames[0] );
1552  yaz_log(YLOG_DEBUG, "Operation = %s", rr.operation );
1553  if (!strcmp( rr.operation, "delete"))
1554  {
1555  if (srw_req->record && !srw_req->record->recordSchema)
1556  {
1558  assoc->encode,
1559  srw_req->record->recordSchema);
1560  }
1561  if (srw_req->record)
1562  {
1563  rr.record_data = odr_strdupn(
1564  assoc->encode,
1565  srw_req->record->recordData_buf,
1566  srw_req->record->recordData_len );
1567  }
1568  if (extra && extra->extraRecordData_len)
1569  {
1571  assoc->encode,
1572  extra->extraRecordData_buf,
1573  extra->extraRecordData_len );
1574  }
1575  if (srw_req->recordId)
1576  rr.record_id = srw_req->recordId;
1577  else if (extra && extra->recordIdentifier)
1578  rr.record_id = extra->recordIdentifier;
1579  }
1580  else if (!strcmp(rr.operation, "replace"))
1581  {
1582  if (srw_req->recordId)
1583  rr.record_id = srw_req->recordId;
1584  else if (extra && extra->recordIdentifier)
1585  rr.record_id = extra->recordIdentifier;
1586  else
1587  {
1589  assoc->encode, &srw_res->diagnostics,
1590  &srw_res->num_diagnostics,
1592  "recordIdentifier");
1593  }
1594  if (!srw_req->record)
1595  {
1597  assoc->encode, &srw_res->diagnostics,
1598  &srw_res->num_diagnostics,
1600  "record");
1601  }
1602  else
1603  {
1604  if (srw_req->record->recordSchema)
1606  assoc->encode, srw_req->record->recordSchema);
1607  if (srw_req->record->recordData_len )
1608  {
1609  rr.record_data = odr_strdupn(assoc->encode,
1610  srw_req->record->recordData_buf,
1611  srw_req->record->recordData_len );
1612  }
1613  else
1614  {
1616  assoc->encode, &srw_res->diagnostics,
1617  &srw_res->num_diagnostics,
1619  "recordData" );
1620  }
1621  }
1622  if (extra && extra->extraRecordData_len)
1623  {
1625  assoc->encode,
1626  extra->extraRecordData_buf,
1627  extra->extraRecordData_len );
1628  }
1629  }
1630  else if (!strcmp(rr.operation, "insert"))
1631  {
1632  if (srw_req->recordId)
1633  rr.record_id = srw_req->recordId;
1634  else if (extra)
1635  rr.record_id = extra->recordIdentifier;
1636 
1637  if (srw_req->record)
1638  {
1639  if (srw_req->record->recordSchema)
1641  assoc->encode, srw_req->record->recordSchema);
1642 
1643  if (srw_req->record->recordData_len)
1644  rr.record_data = odr_strdupn(
1645  assoc->encode,
1646  srw_req->record->recordData_buf,
1647  srw_req->record->recordData_len );
1648  }
1649  if (extra && extra->extraRecordData_len)
1650  {
1652  assoc->encode,
1653  extra->extraRecordData_buf,
1654  extra->extraRecordData_len );
1655  }
1656  }
1657  else
1659  &srw_res->num_diagnostics,
1661  rr.operation );
1662 
1663  if (srw_req->record)
1664  {
1665  const char *pack_str =
1667  if (pack_str)
1668  rr.record_packing = odr_strdup(assoc->encode, pack_str);
1669  }
1670 
1671  if (srw_req->num_recordVersions)
1672  {
1673  rr.record_versions = srw_req->recordVersions;
1674  rr.num_versions = srw_req->num_recordVersions;
1675  }
1676  if (srw_req->extraRequestData_len)
1677  {
1679  srw_req->extraRequestData_buf,
1680  srw_req->extraRequestData_len );
1681  }
1682  if (srw_res->num_diagnostics == 0)
1683  {
1684  if ( assoc->init->bend_srw_update)
1685  (*assoc->init->bend_srw_update)(assoc->backend, &rr);
1686  else
1688  assoc->encode, &srw_res->diagnostics,
1689  &srw_res->num_diagnostics,
1691  "No Update backend handler");
1692  }
1693 
1694  if (rr.uri)
1696  &srw_res->diagnostics,
1697  &srw_res->num_diagnostics,
1698  rr.uri,
1699  rr.message,
1700  rr.details);
1701  srw_res->recordId = rr.record_id;
1702  srw_res->operationStatus = rr.operation_status;
1703  srw_res->recordVersions = rr.record_versions;
1704  srw_res->num_recordVersions = rr.num_versions;
1705  if (srw_res->extraResponseData_len)
1706  {
1708  srw_res->extraResponseData_len = strlen(rr.extra_response_data);
1709  }
1710  if (srw_res->num_diagnostics == 0 && rr.record_data)
1711  {
1712  srw_res->record = yaz_srw_get_record(assoc->encode);
1713  srw_res->record->recordSchema = rr.record_schema;
1714  if (rr.record_packing)
1715  {
1716  int pack = yaz_srw_str_to_pack(rr.record_packing);
1717 
1718  if (pack == -1)
1719  {
1721  yaz_log(YLOG_WARN, "Back packing %s from backend",
1722  rr.record_packing);
1723  }
1724  srw_res->record->recordPacking = pack;
1725  }
1726  srw_res->record->recordData_buf = rr.record_data;
1727  srw_res->record->recordData_len = strlen(rr.record_data);
1728  if (rr.extra_record_data)
1729  {
1730  Z_SRW_extra_record *ex =
1732  srw_res->extra_record = ex;
1734  ex->extraRecordData_len = strlen(rr.extra_record_data);
1735  }
1736  }
1737  }
1738 }
1739 
1740 /* check if path is OK (1); BAD (0) */
1741 static int check_path(const char *path)
1742 {
1743  if (*path != '/')
1744  return 0;
1745  if (strstr(path, ".."))
1746  return 0;
1747  return 1;
1748 }
1749 
1750 static char *read_file(const char *fname, ODR o, size_t *sz)
1751 {
1752  char *buf;
1753  FILE *inf = fopen(fname, "rb");
1754  if (!inf)
1755  return 0;
1756 
1757  fseek(inf, 0L, SEEK_END);
1758  *sz = ftell(inf);
1759  rewind(inf);
1760  buf = (char *) odr_malloc(o, *sz);
1761  if (fread(buf, 1, *sz, inf) != *sz)
1762  yaz_log(YLOG_WARN|YLOG_ERRNO, "short read %s", fname);
1763  fclose(inf);
1764  return buf;
1765 }
1766 
1767 static void process_http_request(association *assoc, request *req)
1768 {
1769  Z_HTTP_Request *hreq = req->gdu_request->u.HTTP_Request;
1770  ODR o = assoc->encode;
1771  int r = 2; /* 2=NOT TAKEN, 1=TAKEN, 0=SOAP TAKEN */
1772  Z_SRW_PDU *sr = 0;
1773  Z_SOAP *soap_package = 0;
1774  Z_GDU *p = 0;
1775  char *charset = 0;
1776  Z_HTTP_Response *hres = 0;
1777  int keepalive = 1;
1778  const char *stylesheet = 0; /* for now .. set later */
1779  Z_SRW_diagnostic *diagnostic = 0;
1780  int num_diagnostic = 0;
1781  const char *host = z_HTTP_header_lookup(hreq->headers, "Host");
1782 
1783  yaz_log(log_request, "%s %s HTTP/%s", hreq->method, hreq->path, hreq->version);
1784  if (!control_association(assoc, host, 0))
1785  {
1786  p = z_get_HTTP_Response(o, 404);
1787  r = 1;
1788  }
1789  if (r == 2 && assoc->server && assoc->server->docpath
1790  && hreq->path[0] == '/'
1791  &&
1792  /* check if path is a proper prefix of documentroot */
1793  strncmp(hreq->path+1, assoc->server->docpath,
1794  strlen(assoc->server->docpath))
1795  == 0)
1796  {
1797  if (!check_path(hreq->path))
1798  {
1799  yaz_log(YLOG_LOG, "File %s access forbidden", hreq->path+1);
1800  p = z_get_HTTP_Response(o, 404);
1801  }
1802  else
1803  {
1804  size_t content_size = 0;
1805  char *content_buf = read_file(hreq->path+1, o, &content_size);
1806  if (!content_buf)
1807  {
1808  yaz_log(YLOG_LOG, "File %s not found", hreq->path+1);
1809  p = z_get_HTTP_Response(o, 404);
1810  }
1811  else
1812  {
1813  const char *ctype = 0;
1815 
1816  yaz_mime_types_add(types, "xsl", "application/xml");
1817  yaz_mime_types_add(types, "xml", "application/xml");
1818  yaz_mime_types_add(types, "css", "text/css");
1819  yaz_mime_types_add(types, "html", "text/html");
1820  yaz_mime_types_add(types, "htm", "text/html");
1821  yaz_mime_types_add(types, "txt", "text/plain");
1822  yaz_mime_types_add(types, "js", "application/x-javascript");
1823 
1824  yaz_mime_types_add(types, "gif", "image/gif");
1825  yaz_mime_types_add(types, "png", "image/png");
1826  yaz_mime_types_add(types, "jpg", "image/jpeg");
1827  yaz_mime_types_add(types, "jpeg", "image/jpeg");
1828 
1829  ctype = yaz_mime_lookup_fname(types, hreq->path);
1830  if (!ctype)
1831  {
1832  yaz_log(YLOG_LOG, "No mime type for %s", hreq->path+1);
1833  p = z_get_HTTP_Response(o, 404);
1834  }
1835  else
1836  {
1837  p = z_get_HTTP_Response(o, 200);
1838  hres = p->u.HTTP_Response;
1839  hres->content_buf = content_buf;
1840  hres->content_len = content_size;
1841  z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
1842  }
1843  yaz_mime_types_destroy(types);
1844  }
1845  }
1846  r = 1;
1847  }
1848 
1849  if (r == 2)
1850  {
1851  r = yaz_srw_decode(hreq, &sr, &soap_package, assoc->decode, &charset);
1852  yaz_log(YLOG_DEBUG, "yaz_srw_decode returned %d", r);
1853  }
1854  if (r == 2) /* not taken */
1855  {
1856  r = yaz_sru_decode(hreq, &sr, &soap_package, assoc->decode, &charset,
1857  &diagnostic, &num_diagnostic);
1858  yaz_log(YLOG_DEBUG, "yaz_sru_decode returned %d", r);
1859  }
1860  if (r == 0) /* decode SRW/SRU OK .. */
1861  {
1862  int http_code = 200;
1864  {
1865  Z_SRW_PDU *res =
1867  sr);
1868  stylesheet = sr->u.request->stylesheet;
1869  if (num_diagnostic)
1870  {
1871  res->u.response->diagnostics = diagnostic;
1872  res->u.response->num_diagnostics = num_diagnostic;
1873  }
1874  else
1875  {
1876  srw_bend_search(assoc, hreq->headers, sr, res, &http_code);
1877  }
1878  if (http_code == 200)
1879  soap_package->u.generic->p = res;
1880  }
1881  else if (sr->which == Z_SRW_explain_request)
1882  {
1884  stylesheet = sr->u.explain_request->stylesheet;
1885  if (num_diagnostic)
1886  {
1887  res->u.explain_response->diagnostics = diagnostic;
1888  res->u.explain_response->num_diagnostics = num_diagnostic;
1889  }
1890  srw_bend_explain(assoc, hreq->headers,
1891  sr, res->u.explain_response, &http_code);
1892  if (http_code == 200)
1893  soap_package->u.generic->p = res;
1894  }
1895  else if (sr->which == Z_SRW_scan_request)
1896  {
1898  stylesheet = sr->u.scan_request->stylesheet;
1899  if (num_diagnostic)
1900  {
1901  res->u.scan_response->diagnostics = diagnostic;
1902  res->u.scan_response->num_diagnostics = num_diagnostic;
1903  }
1904  srw_bend_scan(assoc, hreq->headers, sr, res, &http_code);
1905  if (http_code == 200)
1906  soap_package->u.generic->p = res;
1907  }
1908  else if (sr->which == Z_SRW_update_request)
1909  {
1911  sr->srw_version);
1912  yaz_log(YLOG_DEBUG, "handling SRW UpdateRequest");
1913  if (num_diagnostic)
1914  {
1915  res->u.update_response->diagnostics = diagnostic;
1916  res->u.update_response->num_diagnostics = num_diagnostic;
1917  }
1918  yaz_log(YLOG_DEBUG, "num_diag = %d", res->u.update_response->num_diagnostics );
1919  srw_bend_update(assoc, hreq->headers,
1920  sr, res->u.update_response, &http_code);
1921  if (http_code == 200)
1922  soap_package->u.generic->p = res;
1923  }
1924  else
1925  {
1926  yaz_log(log_request, "SOAP ERROR");
1927  /* FIXME - what error, what query */
1928  http_code = 500;
1929  z_soap_error(assoc->encode, soap_package,
1930  "SOAP-ENV:Client", "Bad method", 0);
1931  }
1932  if (http_code == 200 || http_code == 500)
1933  {
1934  static Z_SOAP_Handler soap_handlers[4] = {
1935 #if YAZ_HAVE_XML2
1939 #endif
1940  {0, 0, 0}
1941  };
1942  char ctype[80];
1943  p = z_get_HTTP_Response(o, 200);
1944  hres = p->u.HTTP_Response;
1945 
1946  if (!stylesheet && assoc->server)
1947  stylesheet = assoc->server->stylesheet;
1948 
1949  /* empty stylesheet means NO stylesheet */
1950  if (stylesheet && *stylesheet == '\0')
1951  stylesheet = 0;
1952 
1953  z_soap_codec_enc_xsl(assoc->encode, &soap_package,
1954  &hres->content_buf, &hres->content_len,
1955  soap_handlers, charset, stylesheet);
1956  hres->code = http_code;
1957 
1958  strcpy(ctype, "text/xml");
1959  z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
1960  }
1961  else
1962  p = z_get_HTTP_Response(o, http_code);
1963  }
1964 
1965  if (p == 0)
1966  p = z_get_HTTP_Response(o, 500);
1967  hres = p->u.HTTP_Response;
1968  if (!strcmp(hreq->version, "1.0"))
1969  {
1970  const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
1971  if (v && !strcmp(v, "Keep-Alive"))
1972  keepalive = 1;
1973  else
1974  keepalive = 0;
1975  hres->version = "1.0";
1976  }
1977  else
1978  {
1979  const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
1980  if (v && !strcmp(v, "close"))
1981  keepalive = 0;
1982  else
1983  keepalive = 1;
1984  hres->version = "1.1";
1985  }
1986  if (!keepalive || !assoc->last_control->keepalive)
1987  {
1988  z_HTTP_header_add(o, &hres->headers, "Connection", "close");
1989  assoc->state = ASSOC_DEAD;
1990  assoc->cs_get_mask = 0;
1991  }
1992  else
1993  {
1994  int t;
1995  const char *alive = z_HTTP_header_lookup(hreq->headers, "Keep-Alive");
1996 
1997  if (alive && yaz_isdigit(*(const unsigned char *) alive))
1998  t = atoi(alive);
1999  else
2000  t = 15;
2001  if (t < 0 || t > 3600)
2002  t = 3600;
2003  iochan_settimeout(assoc->client_chan,t);
2004  z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive");
2005  }
2006  process_gdu_response(assoc, req, p);
2007 }
2008 
2009 static void process_gdu_request(association *assoc, request *req)
2010 {
2011  if (req->gdu_request->which == Z_GDU_Z3950)
2012  {
2013  char *msg = 0;
2014  req->apdu_request = req->gdu_request->u.z3950;
2015  if (process_z_request(assoc, req, &msg) < 0)
2016  do_close_req(assoc, Z_Close_systemProblem, msg, req);
2017  }
2018  else if (req->gdu_request->which == Z_GDU_HTTP_Request)
2019  process_http_request(assoc, req);
2020  else
2021  {
2022  do_close_req(assoc, Z_Close_systemProblem, "bad protocol packet", req);
2023  }
2024 }
2025 
2026 /*
2027  * Initiate request processing.
2028  */
2029 static int process_z_request(association *assoc, request *req, char **msg)
2030 {
2031  Z_APDU *res;
2032  int retval;
2033 
2034  *msg = "Unknown Error";
2035  assert(req && req->state == REQUEST_IDLE);
2036  if (req->apdu_request->which != Z_APDU_initRequest && !assoc->init)
2037  {
2038  *msg = "Missing InitRequest";
2039  return -1;
2040  }
2041  switch (req->apdu_request->which)
2042  {
2043  case Z_APDU_initRequest:
2044  res = process_initRequest(assoc, req); break;
2045  case Z_APDU_searchRequest:
2046  res = process_searchRequest(assoc, req); break;
2047  case Z_APDU_presentRequest:
2048  res = process_presentRequest(assoc, req); break;
2049  case Z_APDU_scanRequest:
2050  if (assoc->init->bend_scan)
2051  res = process_scanRequest(assoc, req);
2052  else
2053  {
2054  *msg = "Cannot handle Scan APDU";
2055  return -1;
2056  }
2057  break;
2059  if (assoc->init->bend_esrequest)
2060  res = process_ESRequest(assoc, req);
2061  else
2062  {
2063  *msg = "Cannot handle Extended Services APDU";
2064  return -1;
2065  }
2066  break;
2067  case Z_APDU_sortRequest:
2068  if (assoc->init->bend_sort)
2069  res = process_sortRequest(assoc, req);
2070  else
2071  {
2072  *msg = "Cannot handle Sort APDU";
2073  return -1;
2074  }
2075  break;
2076  case Z_APDU_close:
2077  process_close(assoc, req);
2078  return 0;
2080  if (assoc->init->bend_delete)
2081  res = process_deleteRequest(assoc, req);
2082  else
2083  {
2084  *msg = "Cannot handle Delete APDU";
2085  return -1;
2086  }
2087  break;
2088  case Z_APDU_segmentRequest:
2089  if (assoc->init->bend_segment)
2090  {
2091  res = process_segmentRequest(assoc, req);
2092  }
2093  else
2094  {
2095  *msg = "Cannot handle Segment APDU";
2096  return -1;
2097  }
2098  break;
2100  return 0;
2101  default:
2102  *msg = "Bad APDU received";
2103  return -1;
2104  }
2105  if (res)
2106  {
2107  yaz_log(YLOG_DEBUG, " result immediately available");
2108  retval = process_z_response(assoc, req, res);
2109  }
2110  else
2111  {
2112  yaz_log(YLOG_DEBUG, " result unavailable");
2113  retval = -1;
2114  }
2115  return retval;
2116 }
2117 
2118 /*
2119  * Encode response, and transfer the request structure to the outgoing queue.
2120  */
2121 static int process_gdu_response(association *assoc, request *req, Z_GDU *res)
2122 {
2123  odr_setbuf(assoc->encode, req->response, req->size_response, 1);
2124 
2125  if (assoc->print)
2126  {
2127  if (!z_GDU(assoc->print, &res, 0, 0))
2128  yaz_log(YLOG_WARN, "ODR print error: %s",
2129  odr_errmsg(odr_geterror(assoc->print)));
2130  odr_reset(assoc->print);
2131  }
2132  if (!z_GDU(assoc->encode, &res, 0, 0))
2133  {
2134  yaz_log(YLOG_WARN, "ODR error when encoding PDU: %s [element %s]",
2135  odr_errmsg(odr_geterror(assoc->decode)),
2136  odr_getelement(assoc->decode));
2137  return -1;
2138  }
2139  req->response = odr_getbuf(assoc->encode, &req->len_response,
2140  &req->size_response);
2141  odr_setbuf(assoc->encode, 0, 0, 0); /* don'txfree if we abort later */
2142  odr_reset(assoc->encode);
2143  req->state = REQUEST_IDLE;
2144  request_enq(&assoc->outgoing, req);
2145  /* turn the work over to the ir_session handler */
2147  assoc->cs_put_mask = EVENT_OUTPUT;
2148  /* Is there more work to be done? give that to the input handler too */
2149  for (;;)
2150  {
2151  req = request_head(&assoc->incoming);
2152  if (req && req->state == REQUEST_IDLE)
2153  {
2154  request_deq(&assoc->incoming);
2155  process_gdu_request(assoc, req);
2156  }
2157  else
2158  break;
2159  }
2160  return 0;
2161 }
2162 
2163 /*
2164  * Encode response, and transfer the request structure to the outgoing queue.
2165  */
2166 static int process_z_response(association *assoc, request *req, Z_APDU *res)
2167 {
2168  Z_GDU *gres = (Z_GDU *) odr_malloc(assoc->encode, sizeof(*gres));
2169  gres->which = Z_GDU_Z3950;
2170  gres->u.z3950 = res;
2171 
2172  return process_gdu_response(assoc, req, gres);
2173 }
2174 
2175 static char *get_vhost(Z_OtherInformation *otherInfo)
2176 {
2177  return yaz_oi_get_string_oid(&otherInfo, yaz_oid_userinfo_proxy, 1, 0);
2178 }
2179 
2180 /*
2181  * Handle init request.
2182  * At the moment, we don't check the options
2183  * anywhere else in the code - we just try not to do anything that would
2184  * break a naive client. We'll toss 'em into the association block when
2185  * we need them there.
2186  */
2188 {
2189  Z_InitRequest *req = reqb->apdu_request->u.initRequest;
2190  Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_initResponse);
2191  Z_InitResponse *resp = apdu->u.initResponse;
2192  bend_initresult *binitres;
2193  char options[140];
2194  statserv_options_block *cb = 0; /* by default no control for backend */
2195 
2196  if (control_association(assoc, get_vhost(req->otherInfo), 1))
2197  cb = statserv_getcontrol(); /* got control block for backend */
2198 
2199  if (cb && assoc->backend)
2200  (*cb->bend_close)(assoc->backend);
2201 
2202  yaz_log(log_requestdetail, "Got initRequest");
2203  if (req->implementationId)
2204  yaz_log(log_requestdetail, "Id: %s",
2205  req->implementationId);
2206  if (req->implementationName)
2207  yaz_log(log_requestdetail, "Name: %s",
2208  req->implementationName);
2209  if (req->implementationVersion)
2210  yaz_log(log_requestdetail, "Version: %s",
2211  req->implementationVersion);
2212 
2213  assoc_init_reset(assoc,
2216  assoc->init->auth = req->idAuthentication;
2217  assoc->init->referenceId = req->referenceId;
2218 
2220  {
2221  Z_CharSetandLanguageNegotiation *negotiation =
2223  if (negotiation &&
2225  assoc->init->charneg_request = negotiation;
2226  }
2227 
2228  /* by default named_result_sets is 0 .. Enable it if client asks for it. */
2230  assoc->init->named_result_sets = 1;
2231 
2232  assoc->backend = 0;
2233  if (cb)
2234  {
2235  if (req->implementationVersion)
2236  yaz_log(log_requestdetail, "Config: %s",
2237  cb->configname);
2238 
2240 
2241  /* we have a backend control block, so call that init function */
2242  if (!(binitres = (*cb->bend_init)(assoc->init)))
2243  {
2244  yaz_log(YLOG_WARN, "Bad response from backend.");
2245  return 0;
2246  }
2247  assoc->backend = binitres->handle;
2248  }
2249  else
2250  {
2251  /* no backend. return error */
2252  binitres = (bend_initresult *)
2253  odr_malloc(assoc->encode, sizeof(*binitres));
2254  binitres->errstring = 0;
2256  iochan_settimeout(assoc->client_chan, 10);
2257  }
2258  if ((assoc->init->bend_sort))
2259  yaz_log(YLOG_DEBUG, "Sort handler installed");
2260  if ((assoc->init->bend_search))
2261  yaz_log(YLOG_DEBUG, "Search handler installed");
2262  if ((assoc->init->bend_present))
2263  yaz_log(YLOG_DEBUG, "Present handler installed");
2264  if ((assoc->init->bend_esrequest))
2265  yaz_log(YLOG_DEBUG, "ESRequest handler installed");
2266  if ((assoc->init->bend_delete))
2267  yaz_log(YLOG_DEBUG, "Delete handler installed");
2268  if ((assoc->init->bend_scan))
2269  yaz_log(YLOG_DEBUG, "Scan handler installed");
2270  if ((assoc->init->bend_segment))
2271  yaz_log(YLOG_DEBUG, "Segment handler installed");
2272 
2273  resp->referenceId = req->referenceId;
2274  *options = '\0';
2275  /* let's tell the client what we can do */
2277  {
2279  strcat(options, "srch");
2280  }
2282  {
2284  strcat(options, " prst");
2285  }
2286  if (ODR_MASK_GET(req->options, Z_Options_delSet) &&
2287  assoc->init->bend_delete)
2288  {
2290  strcat(options, " del");
2291  }
2293  assoc->init->bend_esrequest)
2294  {
2296  strcat(options, " extendedServices");
2297  }
2299  && assoc->init->named_result_sets)
2300  {
2302  strcat(options, " namedresults");
2303  }
2304  if (ODR_MASK_GET(req->options, Z_Options_scan) && assoc->init->bend_scan)
2305  {
2307  strcat(options, " scan");
2308  }
2310  {
2312  strcat(options, " concurrop");
2313  }
2314  if (ODR_MASK_GET(req->options, Z_Options_sort) && assoc->init->bend_sort)
2315  {
2317  strcat(options, " sort");
2318  }
2319 
2321  {
2323 
2324  if (!assoc->init->charneg_response)
2325  {
2326  if (assoc->init->query_charset)
2327  {
2329  assoc->encode, assoc->init->query_charset, 0,
2330  assoc->init->records_in_same_charset);
2331  }
2332  else
2333  {
2334  yaz_log(YLOG_WARN, "default query_charset not defined by backend");
2335  }
2336  }
2337  if (assoc->init->charneg_response
2338  && (p0=yaz_oi_update(&resp->otherInfo, assoc->encode, NULL, 0, 0)))
2339  {
2342  assoc->init->charneg_response;
2344  strcat(options, " negotiation");
2345  }
2346  }
2349 
2351  {
2353  assoc->version = 1; /* 1 & 2 are equivalent */
2354  }
2356  {
2358  assoc->version = 2;
2359  }
2361  {
2363  assoc->version = 3;
2364  }
2365 
2366  yaz_log(log_requestdetail, "Negotiated to v%d: %s", assoc->version, options);
2367 
2368  if (*req->maximumRecordSize < assoc->maximumRecordSize)
2370 
2371  if (*req->preferredMessageSize < assoc->preferredMessageSize)
2373 
2374  resp->preferredMessageSize =
2375  odr_intdup(assoc->encode, assoc->preferredMessageSize);
2376  resp->maximumRecordSize =
2377  odr_intdup(assoc->encode, assoc->maximumRecordSize);
2378 
2379  resp->implementationId = odr_prepend(assoc->encode,
2380  assoc->init->implementation_id,
2381  resp->implementationId);
2382 
2383  resp->implementationVersion = odr_prepend(assoc->encode,
2384  assoc->init->implementation_version,
2385  resp->implementationVersion);
2386 
2387  resp->implementationName = odr_prepend(assoc->encode,
2388  assoc->init->implementation_name,
2389  odr_prepend(assoc->encode, "GFS", resp->implementationName));
2390 
2391  if (binitres->errcode)
2392  {
2393  assoc->state = ASSOC_DEAD;
2394  resp->userInformationField =
2395  init_diagnostics(assoc->encode, binitres->errcode,
2396  binitres->errstring);
2397  *resp->result = 0;
2398  }
2399  else
2400  assoc->state = ASSOC_UP;
2401 
2402  if (log_request)
2403  {
2404  if (!req->idAuthentication)
2405  yaz_log(log_request, "Auth none");
2407  {
2408  const char *open = req->idAuthentication->u.open;
2409  const char *slash = strchr(open, '/');
2410  int len;
2411  if (slash)
2412  len = slash - open;
2413  else
2414  len = strlen(open);
2415  yaz_log(log_request, "Auth open %.*s", len, open);
2416  }
2418  {
2419  const char *user = req->idAuthentication->u.idPass->userId;
2420  const char *group = req->idAuthentication->u.idPass->groupId;
2421  yaz_log(log_request, "Auth idPass %s %s",
2422  user ? user : "-", group ? group : "-");
2423  }
2424  else if (req->idAuthentication->which
2426  {
2427  yaz_log(log_request, "Auth anonymous");
2428  }
2429  else
2430  {
2431  yaz_log(log_request, "Auth other");
2432  }
2433  }
2434  if (log_request)
2435  {
2436  WRBUF wr = wrbuf_alloc();
2437  wrbuf_printf(wr, "Init ");
2438  if (binitres->errcode)
2439  wrbuf_printf(wr, "ERROR %d", binitres->errcode);
2440  else
2441  wrbuf_printf(wr, "OK -");
2442  wrbuf_printf(wr, " ID:%s Name:%s Version:%s",
2443  (req->implementationId ? req->implementationId :"-"),
2444  (req->implementationName ?
2445  req->implementationName : "-"),
2446  (req->implementationVersion ?
2447  req->implementationVersion : "-")
2448  );
2449  yaz_log(log_request, "%s", wrbuf_cstr(wr));
2450  wrbuf_destroy(wr);
2451  }
2452  return apdu;
2453 }
2454 
2455 /*
2456  * Set the specified `errcode' and `errstring' into a UserInfo-1
2457  * external to be returned to the client in accordance with Z35.90
2458  * Implementor Agreement 5 (Returning diagnostics in an InitResponse):
2459  * http://www.loc.gov/z3950/agency/agree/initdiag.html
2460  */
2461 static Z_External *init_diagnostics(ODR odr, int error, const char *addinfo)
2462 {
2463  yaz_log(log_requestdetail, "[%d] %s%s%s", error, diagbib1_str(error),
2464  addinfo ? " -- " : "", addinfo ? addinfo : "");
2465  return zget_init_diagnostics(odr, error, addinfo);
2466 }
2467 
2468 /*
2469  * nonsurrogate diagnostic record.
2470  */
2471 static Z_Records *diagrec(association *assoc, int error, char *addinfo)
2472 {
2473  Z_Records *rec = (Z_Records *) odr_malloc(assoc->encode, sizeof(*rec));
2474 
2475  yaz_log(log_requestdetail, "[%d] %s%s%s", error, diagbib1_str(error),
2476  addinfo ? " -- " : "", addinfo ? addinfo : "");
2477 
2478  rec->which = Z_Records_NSD;
2480  error, addinfo);
2481  return rec;
2482 }
2483 
2484 /*
2485  * surrogate diagnostic.
2486  */
2488  const char *dbname,
2489  int error, const char *addinfo)
2490 {
2491  yaz_log(log_requestdetail, "[%d] %s%s%s", error, diagbib1_str(error),
2492  addinfo ? " -- " : "", addinfo ? addinfo : "");
2493  return zget_surrogateDiagRec(assoc->encode, dbname, error, addinfo);
2494 }
2495 
2496 static Z_Records *pack_records(association *a, char *setname, Odr_int start,
2497  Odr_int *num, Z_RecordComposition *comp,
2498  Odr_int *next, Odr_int *pres,
2499  Z_ReferenceId *referenceId,
2500  Odr_oid *oid, int *errcode)
2501 {
2502  int recno;
2503  Odr_int dumped_records = 0;
2504  int toget = odr_int_to_int(*num);
2505  Z_Records *records =
2506  (Z_Records *) odr_malloc(a->encode, sizeof(*records));
2507  Z_NamePlusRecordList *reclist =
2508  (Z_NamePlusRecordList *) odr_malloc(a->encode, sizeof(*reclist));
2509 
2510  records->which = Z_Records_DBOSD;
2511  records->u.databaseOrSurDiagnostics = reclist;
2512  reclist->num_records = 0;
2513 
2514  if (toget < 0)
2516  else if (toget == 0)
2517  reclist->records = odr_nullval();
2518  else
2519  reclist->records = (Z_NamePlusRecord **)
2520  odr_malloc(a->encode, sizeof(*reclist->records) * toget);
2521 
2522  *pres = Z_PresentStatus_success;
2523  *num = 0;
2524  *next = 0;
2525 
2526  yaz_log(log_requestdetail, "Request to pack " ODR_INT_PRINTF "+%d %s", start, toget, setname);
2527  yaz_log(log_requestdetail, "pms=%d, mrs=%d", a->preferredMessageSize,
2528  a->maximumRecordSize);
2529  for (recno = odr_int_to_int(start); reclist->num_records < toget; recno++)
2530  {
2531  bend_fetch_rr freq;
2532  Z_NamePlusRecord *thisrec;
2533  Odr_int this_length = 0;
2534  /*
2535  * we get the number of bytes allocated on the stream before any
2536  * allocation done by the backend - this should give us a reasonable
2537  * idea of the total size of the data so far.
2538  */
2539  Odr_int total_length = odr_total(a->encode) - dumped_records;
2540  freq.errcode = 0;
2541  freq.errstring = 0;
2542  freq.basename = 0;
2543  freq.len = 0;
2544  freq.record = 0;
2545  freq.last_in_set = 0;
2546  freq.setname = setname;
2547  freq.surrogate_flag = 0;
2548  freq.number = recno;
2549  freq.comp = comp;
2550  freq.request_format = oid;
2551  freq.output_format = 0;
2552  freq.stream = a->encode;
2553  freq.print = a->print;
2554  freq.referenceId = referenceId;
2555  freq.schema = 0;
2556 
2557  retrieve_fetch(a, &freq);
2558 
2559  *next = freq.last_in_set ? 0 : recno + 1;
2560 
2561  if (freq.errcode)
2562  {
2563  if (!freq.surrogate_flag) /* non-surrogate diagnostic i.e. global */
2564  {
2565  char s[20];
2566  *pres = Z_PresentStatus_failure;
2567  /* for 'present request out of range',
2568  set addinfo to record position if not set */
2570  freq.errstring == 0)
2571  {
2572  sprintf(s, "%d", recno);
2573  freq.errstring = s;
2574  }
2575  if (errcode)
2576  *errcode = freq.errcode;
2577  return diagrec(a, freq.errcode, freq.errstring);
2578  }
2579  reclist->records[reclist->num_records] =
2580  surrogatediagrec(a, freq.basename, freq.errcode,
2581  freq.errstring);
2582  reclist->num_records++;
2583  continue;
2584  }
2585  if (freq.record == 0) /* no error and no record ? */
2586  {
2587  *pres = Z_PresentStatus_partial_4;
2588  *next = 0; /* signal end-of-set and stop */
2589  break;
2590  }
2591  if (freq.len >= 0)
2592  this_length = freq.len;
2593  else
2594  this_length = odr_total(a->encode) - total_length - dumped_records;
2595  yaz_log(log_requestdetail, " fetched record, len=" ODR_INT_PRINTF
2596  " total=" ODR_INT_PRINTF " dumped=" ODR_INT_PRINTF,
2597  this_length, total_length, dumped_records);
2598  if (a->preferredMessageSize > 0 &&
2599  this_length + total_length > a->preferredMessageSize)
2600  {
2601  /* record is small enough, really */
2602  if (this_length <= a->preferredMessageSize && recno > start)
2603  {
2604  yaz_log(log_requestdetail, " Dropped last normal-sized record");
2605  *pres = Z_PresentStatus_partial_2;
2606  if (*next > 0)
2607  (*next)--;
2608  break;
2609  }
2610  /* record can only be fetched by itself */
2611  if (this_length < a->maximumRecordSize)
2612  {
2613  yaz_log(log_requestdetail, " Record > prefmsgsz");
2614  if (toget > 1)
2615  {
2616  yaz_log(YLOG_DEBUG, " Dropped it");
2617  reclist->records[reclist->num_records] =
2619  a, freq.basename,
2621  reclist->num_records++;
2622  dumped_records += this_length;
2623  continue;
2624  }
2625  }
2626  else /* too big entirely */
2627  {
2628  yaz_log(log_requestdetail, "Record > maxrcdsz "
2629  "this=" ODR_INT_PRINTF " max=%d",
2630  this_length, a->maximumRecordSize);
2631  reclist->records[reclist->num_records] =
2633  a, freq.basename,
2635  reclist->num_records++;
2636  dumped_records += this_length;
2637  continue;
2638  }
2639  }
2640 
2641  if (!(thisrec = (Z_NamePlusRecord *)
2642  odr_malloc(a->encode, sizeof(*thisrec))))
2643  return 0;
2644  thisrec->databaseName = odr_strdup_null(a->encode, freq.basename);
2646 
2647  if (!freq.output_format)
2648  {
2649  yaz_log(YLOG_WARN, "bend_fetch output_format not set");
2650  return 0;
2651  }
2652  thisrec->u.databaseRecord = z_ext_record_oid(
2653  a->encode, freq.output_format, freq.record, freq.len);
2654  if (!thisrec->u.databaseRecord)
2655  return 0;
2656  reclist->records[reclist->num_records] = thisrec;
2657  reclist->num_records++;
2658  if (freq.last_in_set)
2659  break;
2660  }
2661  *num = reclist->num_records;
2662  return records;
2663 }
2664 
2666 {
2668  bend_search_rr *bsrr =
2669  (bend_search_rr *)nmem_malloc(reqb->request_mem, sizeof(*bsrr));
2670 
2671  yaz_log(log_requestdetail, "Got SearchRequest.");
2672  bsrr->association = assoc;
2673  bsrr->referenceId = req->referenceId;
2674  bsrr->srw_sortKeys = 0;
2675  bsrr->srw_setname = 0;
2676  bsrr->srw_setnameIdleTime = 0;
2677  bsrr->estimated_hit_count = 0;
2678  bsrr->partial_resultset = 0;
2679  bsrr->extra_args = 0;
2680  bsrr->extra_response_data = 0;
2681 
2682  yaz_log(log_requestdetail, "ResultSet '%s'", req->resultSetName);
2683  if (req->databaseNames)
2684  {
2685  int i;
2686  for (i = 0; i < req->num_databaseNames; i++)
2687  yaz_log(log_requestdetail, "Database '%s'", req->databaseNames[i]);
2688  }
2689 
2691 
2692  if (assoc->init->bend_search)
2693  {
2694  bsrr->setname = req->resultSetName;
2695  bsrr->replace_set = *req->replaceIndicator;
2696  bsrr->num_bases = req->num_databaseNames;
2697  bsrr->basenames = req->databaseNames;
2698  bsrr->query = req->query;
2699  bsrr->stream = assoc->encode;
2700  nmem_transfer(odr_getmem(bsrr->stream), reqb->request_mem);
2701  bsrr->decode = assoc->decode;
2702  bsrr->print = assoc->print;
2703  bsrr->hits = 0;
2704  bsrr->errcode = 0;
2705  bsrr->errstring = NULL;
2706  bsrr->search_info = NULL;
2707  bsrr->search_input = req->additionalSearchInfo;
2708  if (!bsrr->search_input)
2709  bsrr->search_input = req->otherInfo;
2710  bsrr->present_number = *req->mediumSetPresentNumber;
2711 
2712  if (assoc->server && assoc->server->client_query_charset &&
2713  req->query->which == Z_Query_type_1)
2714  {
2715  yaz_iconv_t cd =
2716  yaz_iconv_open("UTF-8", assoc->server->client_query_charset);
2717  if (cd)
2718  {
2720  assoc->decode, cd);
2721  yaz_iconv_close(cd);
2722  }
2723  }
2724 
2725  if (assoc->server && assoc->server->cql_transform
2726  && req->query->which == Z_Query_type_104
2727  && req->query->u.type_104->which == Z_External_CQL)
2728  {
2729  /* have a CQL query and a CQL to PQF transform .. */
2730  int srw_errcode =
2731  cql2pqf(bsrr->stream, req->query->u.type_104->u.cql,
2732  assoc->server->cql_transform, bsrr->query,
2733  &bsrr->srw_sortKeys);
2734  if (srw_errcode)
2735  bsrr->errcode = yaz_diag_srw_to_bib1(srw_errcode);
2736  }
2737 
2738  if (assoc->server && assoc->server->ccl_transform
2739  && req->query->which == Z_Query_type_2) /*CCL*/
2740  {
2741  /* have a CCL query and a CCL to PQF transform .. */
2742  int srw_errcode =
2743  ccl2pqf(bsrr->stream, req->query->u.type_2,
2744  assoc->server->ccl_transform, bsrr);
2745  if (srw_errcode)
2746  bsrr->errcode = yaz_diag_srw_to_bib1(srw_errcode);
2747  }
2748 
2749  if (!bsrr->errcode)
2750  (assoc->init->bend_search)(assoc->backend, bsrr);
2751  }
2752  else
2753  {
2754  /* FIXME - make a diagnostic for it */
2755  yaz_log(YLOG_WARN,"Search not supported ?!?!");
2756  }
2757  return response_searchRequest(assoc, reqb, bsrr);
2758 }
2759 
2760 /*
2761  * Prepare a searchresponse based on the backend results. We probably want
2762  * to look at making the fetching of records nonblocking as well, but
2763  * so far, we'll keep things simple.
2764  * If bsrt is null, that means we're called in response to a communications
2765  * event, and we'll have to get the response for ourselves.
2766  */
2768  bend_search_rr *bsrt)
2769 {
2771  Z_APDU *apdu = (Z_APDU *)odr_malloc(assoc->encode, sizeof(*apdu));
2773  odr_malloc(assoc->encode, sizeof(*resp));
2774  Odr_int *nulint = odr_intdup(assoc->encode, 0);
2775  Odr_int *next = odr_intdup(assoc->encode, 0);
2777  Odr_int returnedrecs = 0;
2778 
2779  apdu->which = Z_APDU_searchResponse;
2780  apdu->u.searchResponse = resp;
2781  resp->referenceId = req->referenceId;
2782  resp->additionalSearchInfo = 0;
2783  resp->otherInfo = 0;
2784  if (!bsrt)
2785  {
2786  yaz_log(YLOG_FATAL, "Bad result from backend");
2787  return 0;
2788  }
2789  else if (bsrt->errcode)
2790  {
2791  resp->records = diagrec(assoc, bsrt->errcode, bsrt->errstring);
2792  resp->resultCount = nulint;
2793  resp->numberOfRecordsReturned = nulint;
2794  resp->nextResultSetPosition = nulint;
2795  resp->searchStatus = odr_booldup(assoc->encode, 0);
2796  resp->resultSetStatus = none;
2797  resp->presentStatus = 0;
2798  }
2799  else
2800  {
2801  bool_t *sr = odr_booldup(assoc->encode, 1);
2802  Odr_int *toget = odr_intdup(assoc->encode, 0);
2803  Z_RecordComposition comp, *compp = 0;
2804 
2805  yaz_log(log_requestdetail, "resultCount: " ODR_INT_PRINTF, bsrt->hits);
2806 
2807  resp->records = 0;
2808  resp->resultCount = &bsrt->hits;
2809 
2810  comp.which = Z_RecordComp_simple;
2811  /* how many records does the user agent want, then? */
2812  if (bsrt->hits < 0)
2813  *toget = 0;
2814  else if (bsrt->hits <= *req->smallSetUpperBound)
2815  {
2816  *toget = bsrt->hits;
2817  if ((comp.u.simple = req->smallSetElementSetNames))
2818  compp = &comp;
2819  }
2820  else if (bsrt->hits < *req->largeSetLowerBound)
2821  {
2822  *toget = *req->mediumSetPresentNumber;
2823  if (*toget > bsrt->hits)
2824  *toget = bsrt->hits;
2825  if ((comp.u.simple = req->mediumSetElementSetNames))
2826  compp = &comp;
2827  }
2828  else
2829  *toget = 0;
2830 
2831  if (*toget && !resp->records)
2832  {
2833  Odr_int *presst = odr_intdup(assoc->encode, 0);
2834  /* Call bend_present if defined */
2835  if (assoc->init->bend_present)
2836  {
2837  bend_present_rr *bprr = (bend_present_rr *)
2838  nmem_malloc(reqb->request_mem, sizeof(*bprr));
2839  bprr->setname = req->resultSetName;
2840  bprr->start = 1;
2841  bprr->number = odr_int_to_int(*toget);
2842  bprr->format = req->preferredRecordSyntax;
2843  bprr->comp = compp;
2844  bprr->referenceId = req->referenceId;
2845  bprr->stream = assoc->encode;
2846  bprr->print = assoc->print;
2847  bprr->association = assoc;
2848  bprr->errcode = 0;
2849  bprr->errstring = NULL;
2850  (*assoc->init->bend_present)(assoc->backend, bprr);
2851 
2852  if (bprr->errcode)
2853  {
2854  resp->records = diagrec(assoc, bprr->errcode, bprr->errstring);
2856  }
2857  }
2858 
2859  if (!resp->records)
2860  resp->records = pack_records(
2861  assoc, req->resultSetName, 1,
2862  toget, compp, next, presst, req->referenceId,
2863  req->preferredRecordSyntax, NULL);
2864  if (!resp->records)
2865  return 0;
2866  resp->numberOfRecordsReturned = toget;
2867  returnedrecs = *toget;
2868  resp->presentStatus = presst;
2869  }
2870  else
2871  {
2872  if (*resp->resultCount)
2873  *next = 1;
2874  resp->numberOfRecordsReturned = nulint;
2875  resp->presentStatus = 0;
2876  }
2877  resp->nextResultSetPosition = next;
2878  resp->searchStatus = sr;
2879  resp->resultSetStatus = 0;
2880  if (bsrt->estimated_hit_count)
2881  {
2882  resp->resultSetStatus = odr_intdup(assoc->encode,
2884  }
2885  else if (bsrt->partial_resultset)
2886  {
2887  resp->resultSetStatus = odr_intdup(assoc->encode,
2889  }
2890  }
2891  resp->additionalSearchInfo = bsrt->search_info;
2892 
2893  if (log_request)
2894  {
2895  int i;
2896  WRBUF wr = wrbuf_alloc();
2897 
2898  for (i = 0 ; i < req->num_databaseNames; i++)
2899  {
2900  if (i)
2901  wrbuf_printf(wr, "+");
2902  wrbuf_puts(wr, req->databaseNames[i]);
2903  }
2904  wrbuf_printf(wr, " ");
2905 
2906  if (bsrt->errcode)
2907  wrbuf_printf(wr, "ERROR %d", bsrt->errcode);
2908  else
2909  wrbuf_printf(wr, "OK " ODR_INT_PRINTF, bsrt->hits);
2910  wrbuf_printf(wr, " %s 1+" ODR_INT_PRINTF " ",
2911  req->resultSetName, returnedrecs);
2912  yaz_query_to_wrbuf(wr, req->query);
2913 
2914  yaz_log(log_request, "Search %s", wrbuf_cstr(wr));
2915  wrbuf_destroy(wr);
2916  }
2917  return apdu;
2918 }
2919 
2920 /*
2921  * Maybe we got a little over-friendly when we designed bend_fetch to
2922  * get only one record at a time. Some backends can optimise multiple-record
2923  * fetches, and at any rate, there is some overhead involved in
2924  * all that selecting and hopping around. Problem is, of course, that the
2925  * frontend can't know ahead of time how many records it'll need to
2926  * fill the negotiated PDU size. Annoying. Segmentation or not, Z/SR
2927  * is downright lousy as a bulk data transfer protocol.
2928  *
2929  * To start with, we'll do the fetching of records from the backend
2930  * in one operation: To save some trips in and out of the event-handler,
2931  * and to simplify the interface to pack_records. At any rate, asynch
2932  * operation is more fun in operations that have an unpredictable execution
2933  * speed - which is normally more true for search than for present.
2934  */
2936 {
2938  Z_APDU *apdu;
2939  Z_PresentResponse *resp;
2940  Odr_int *next;
2941  Odr_int *num;
2942  int errcode = 0;
2943 
2944  yaz_log(log_requestdetail, "Got PresentRequest.");
2945 
2946  resp = (Z_PresentResponse *)odr_malloc(assoc->encode, sizeof(*resp));
2947  resp->records = 0;
2948  resp->presentStatus = odr_intdup(assoc->encode, 0);
2949  if (assoc->init->bend_present)
2950  {
2951  bend_present_rr *bprr = (bend_present_rr *)
2952  nmem_malloc(reqb->request_mem, sizeof(*bprr));
2953  bprr->setname = req->resultSetId;
2954  bprr->start = odr_int_to_int(*req->resultSetStartPoint);
2956  bprr->format = req->preferredRecordSyntax;
2957  bprr->comp = req->recordComposition;
2958  bprr->referenceId = req->referenceId;
2959  bprr->stream = assoc->encode;
2960  bprr->print = assoc->print;
2961  bprr->association = assoc;
2962  bprr->errcode = 0;
2963  bprr->errstring = NULL;
2964  (*assoc->init->bend_present)(assoc->backend, bprr);
2965 
2966  if (bprr->errcode)
2967  {
2968  resp->records = diagrec(assoc, bprr->errcode, bprr->errstring);
2970  errcode = bprr->errcode;
2971  }
2972  }
2973  apdu = (Z_APDU *)odr_malloc(assoc->encode, sizeof(*apdu));
2974  next = odr_intdup(assoc->encode, 0);
2975  num = odr_intdup(assoc->encode, 0);
2976 
2977  apdu->which = Z_APDU_presentResponse;
2978  apdu->u.presentResponse = resp;
2979  resp->referenceId = req->referenceId;
2980  resp->otherInfo = 0;
2981 
2982  if (!resp->records)
2983  {
2984  *num = *req->numberOfRecordsRequested;
2985  resp->records =
2986  pack_records(assoc, req->resultSetId, *req->resultSetStartPoint,
2987  num, req->recordComposition, next,
2988  resp->presentStatus,
2990  &errcode);
2991  }
2992  if (log_request)
2993  {
2994  WRBUF wr = wrbuf_alloc();
2995  wrbuf_printf(wr, "Present ");
2996 
2997  if (*resp->presentStatus == Z_PresentStatus_failure)
2998  wrbuf_printf(wr, "ERROR %d ", errcode);
2999  else if (*resp->presentStatus == Z_PresentStatus_success)
3000  wrbuf_printf(wr, "OK - ");
3001  else
3002  wrbuf_printf(wr, "Partial " ODR_INT_PRINTF " - ",
3003  *resp->presentStatus);
3004 
3005  wrbuf_printf(wr, " %s " ODR_INT_PRINTF "+" ODR_INT_PRINTF " ",
3006  req->resultSetId, *req->resultSetStartPoint,
3007  *req->numberOfRecordsRequested);
3008  yaz_log(log_request, "%s", wrbuf_cstr(wr) );
3009  wrbuf_destroy(wr);
3010  }
3011  if (!resp->records)
3012  return 0;
3013  resp->numberOfRecordsReturned = num;
3014  resp->nextResultSetPosition = next;
3015 
3016  return apdu;
3017 }
3018 
3019 /*
3020  * Scan was implemented rather in a hurry, and with support for only the basic
3021  * elements of the service in the backend API. Suggestions are welcome.
3022  */
3024 {
3025  Z_ScanRequest *req = reqb->apdu_request->u.scanRequest;
3026  Z_APDU *apdu = (Z_APDU *)odr_malloc(assoc->encode, sizeof(*apdu));
3027  Z_ScanResponse *res = (Z_ScanResponse *)
3028  odr_malloc(assoc->encode, sizeof(*res));
3029  Odr_int *scanStatus = odr_intdup(assoc->encode, Z_Scan_failure);
3030  Odr_int *numberOfEntriesReturned = odr_intdup(assoc->encode, 0);
3031  Z_ListEntries *ents = (Z_ListEntries *)
3032  odr_malloc(assoc->encode, sizeof(*ents));
3033  Z_DiagRecs *diagrecs_p = NULL;
3034  bend_scan_rr *bsrr = (bend_scan_rr *)
3035  odr_malloc(assoc->encode, sizeof(*bsrr));
3036  struct scan_entry *save_entries;
3037  int step_size = 0;
3038 
3039  yaz_log(log_requestdetail, "Got ScanRequest");
3040 
3041  apdu->which = Z_APDU_scanResponse;
3042  apdu->u.scanResponse = res;
3043  res->referenceId = req->referenceId;
3044 
3045  /* if step is absent, set it to 0 */
3046  if (req->stepSize)
3047  step_size = odr_int_to_int(*req->stepSize);
3048 
3049  res->stepSize = 0;
3050  res->scanStatus = scanStatus;
3051  res->numberOfEntriesReturned = numberOfEntriesReturned;
3052  res->positionOfTerm = 0;
3053  res->entries = ents;
3054  ents->num_entries = 0;
3055  ents->entries = NULL;
3056  ents->num_nonsurrogateDiagnostics = 0;
3057  ents->nonsurrogateDiagnostics = NULL;
3058  res->attributeSet = 0;
3059  res->otherInfo = 0;
3060 
3061  if (req->databaseNames)
3062  {
3063  int i;
3064  for (i = 0; i < req->num_databaseNames; i++)
3065  yaz_log(log_requestdetail, "Database '%s'", req->databaseNames[i]);
3066  }
3067  bsrr->scanClause = 0;
3068  bsrr->errcode = 0;
3069  bsrr->errstring = 0;
3070  bsrr->num_bases = req->num_databaseNames;
3071  bsrr->basenames = req->databaseNames;
3073  bsrr->term = req->termListAndStartPoint;
3074  bsrr->referenceId = req->referenceId;
3075  bsrr->stream = assoc->encode;
3076  bsrr->print = assoc->print;
3077  bsrr->step_size = &step_size;
3078  bsrr->setname = yaz_oi_get_string_oid(&req->otherInfo,
3080  bsrr->entries = 0;
3081  bsrr->extra_args = 0;
3082  bsrr->extra_response_data = 0;
3083  /* For YAZ 2.0 and earlier it was the backend handler that
3084  initialized entries (member display_term did not exist)
3085  YAZ 2.0 and later sets 'entries' and initialize all members
3086  including 'display_term'. If YAZ 2.0 or later sees that
3087  entries was modified - we assume that it is an old handler and
3088  that 'display_term' is _not_ set.
3089  */
3090  if (bsrr->num_entries > 0)
3091  {
3092  int i;
3093  bsrr->entries = (struct scan_entry *)
3094  odr_malloc(assoc->decode, sizeof(*bsrr->entries) *
3095  bsrr->num_entries);
3096  for (i = 0; i<bsrr->num_entries; i++)
3097  {
3098  bsrr->entries[i].term = 0;
3099  bsrr->entries[i].occurrences = 0;
3100  bsrr->entries[i].errcode = 0;
3101  bsrr->entries[i].errstring = 0;
3102  bsrr->entries[i].display_term = 0;
3103  }
3104  }
3105  save_entries = bsrr->entries; /* save it so we can compare later */
3106 
3107  bsrr->attributeset = req->attributeSet;
3109  bsrr->attributeset);
3112 
3113  ((int (*)(void *, bend_scan_rr *))
3114  (*assoc->init->bend_scan))(assoc->backend, bsrr);
3115 
3116  if (bsrr->errcode)
3117  diagrecs_p = zget_DiagRecs(assoc->encode,
3118  bsrr->errcode, bsrr->errstring);
3119  else
3120  {
3121  int i;
3122  Z_Entry **tab = (Z_Entry **)
3123  odr_malloc(assoc->encode, sizeof(*tab) * bsrr->num_entries);
3124 
3125  if (bsrr->status == BEND_SCAN_PARTIAL)
3126  *scanStatus = Z_Scan_partial_5;
3127  else
3128  *scanStatus = Z_Scan_success;
3129  res->stepSize = odr_intdup(assoc->encode, step_size);
3130  ents->entries = tab;
3131  ents->num_entries = bsrr->num_entries;
3133  ents->num_entries);
3134  res->positionOfTerm = odr_intdup(assoc->encode, bsrr->term_position);
3135  for (i = 0; i < bsrr->num_entries; i++)
3136  {
3137  Z_Entry *e;
3138  Z_TermInfo *t;
3139 
3140  tab[i] = e = (Z_Entry *)odr_malloc(assoc->encode, sizeof(*e));
3141  if (bsrr->entries[i].occurrences >= 0)
3142  {
3143  e->which = Z_Entry_termInfo;
3144  e->u.termInfo = t = (Z_TermInfo *)
3145  odr_malloc(assoc->encode, sizeof(*t));
3146  t->suggestedAttributes = 0;
3147  t->displayTerm = 0;
3148  if (save_entries == bsrr->entries &&
3149  bsrr->entries[i].display_term)
3150  {
3151  /* the entries was _not_ set by the handler. So it's
3152  safe to test for new member display_term. It is
3153  NULL'ed by us.
3154  */
3155  t->displayTerm = odr_strdup(assoc->encode,
3156  bsrr->entries[i].display_term);
3157  }
3158  t->alternativeTerm = 0;
3159  t->byAttributes = 0;
3160  t->otherTermInfo = 0;
3161  t->globalOccurrences = &bsrr->entries[i].occurrences;
3162  t->term = (Z_Term *)
3163  odr_malloc(assoc->encode, sizeof(*t->term));
3164  t->term->which = Z_Term_general;
3165  t->term->u.general =
3166  odr_create_Odr_oct(assoc->encode,
3167  bsrr->entries[i].term,
3168  strlen(bsrr->entries[i].term));
3169  yaz_log(YLOG_DEBUG, " term #%d: '%s' (" ODR_INT_PRINTF ")", i,
3170  bsrr->entries[i].term, bsrr->entries[i].occurrences);
3171  }
3172  else
3173  {
3174  Z_DiagRecs *drecs = zget_DiagRecs(assoc->encode,
3175  bsrr->entries[i].errcode,
3176  bsrr->entries[i].errstring);
3177  assert(drecs->num_diagRecs == 1);
3179  assert(drecs->diagRecs[0]);
3180  e->u.surrogateDiagnostic = drecs->diagRecs[0];
3181  }
3182  }
3183  }
3184  if (diagrecs_p)
3185  {
3186  ents->num_nonsurrogateDiagnostics = diagrecs_p->num_diagRecs;
3187  ents->nonsurrogateDiagnostics = diagrecs_p->diagRecs;
3188  }
3189  if (log_request)
3190  {
3191  int i;
3192  WRBUF wr = wrbuf_alloc();
3193  wrbuf_printf(wr, "Scan ");
3194  for (i = 0 ; i < req->num_databaseNames; i++)
3195  {
3196  if (i)
3197  wrbuf_printf(wr, "+");
3198  wrbuf_puts(wr, req->databaseNames[i]);
3199  }
3200 
3201  wrbuf_printf(wr, " ");
3202 
3203  if (bsrr->errcode)
3204  wr_diag(wr, bsrr->errcode, bsrr->errstring);
3205  else
3206  wrbuf_printf(wr, "OK");
3207 
3208  wrbuf_printf(wr, " " ODR_INT_PRINTF " - " ODR_INT_PRINTF "+"
3211  *res->numberOfEntriesReturned : 0,
3213  *req->preferredPositionInResponse : 1),
3214  *req->numberOfTermsRequested,
3215  (res->stepSize ? *res->stepSize : 1));
3216 
3217  if (bsrr->setname)
3218  wrbuf_printf(wr, "+%s", bsrr->setname);
3219 
3220  wrbuf_printf(wr, " ");
3222  bsrr->attributeset);
3223  yaz_log(log_request, "%s", wrbuf_cstr(wr) );
3224  wrbuf_destroy(wr);
3225  }
3226  return apdu;
3227 }
3228 
3230 {
3231  int i;
3232  Z_SortRequest *req = reqb->apdu_request->u.sortRequest;
3233  Z_SortResponse *res = (Z_SortResponse *)
3234  odr_malloc(assoc->encode, sizeof(*res));
3235  bend_sort_rr *bsrr = (bend_sort_rr *)
3236  odr_malloc(assoc->encode, sizeof(*bsrr));
3237 
3238  Z_APDU *apdu = (Z_APDU *)odr_malloc(assoc->encode, sizeof(*apdu));
3239 
3240  yaz_log(log_requestdetail, "Got SortRequest.");
3241 
3243  for (i=0;i<req->num_inputResultSetNames;i++)
3244  yaz_log(log_requestdetail, "Input resultset: '%s'",
3245  req->inputResultSetNames[i]);
3246  bsrr->input_setnames = req->inputResultSetNames;
3247  bsrr->referenceId = req->referenceId;
3248  bsrr->output_setname = req->sortedResultSetName;
3249  yaz_log(log_requestdetail, "Output resultset: '%s'",
3250  req->sortedResultSetName);
3251  bsrr->sort_sequence = req->sortSequence;
3252  /*FIXME - dump those sequences too */
3253  bsrr->stream = assoc->encode;
3254  bsrr->print = assoc->print;
3255 
3257  bsrr->errcode = 0;
3258  bsrr->errstring = 0;
3259 
3260  (*assoc->init->bend_sort)(assoc->backend, bsrr);
3261 
3262  res->referenceId = bsrr->referenceId;
3263  res->sortStatus = odr_intdup(assoc->encode, bsrr->sort_status);
3264  res->resultSetStatus = 0;
3265  if (bsrr->errcode)
3266  {
3267  Z_DiagRecs *dr = zget_DiagRecs(assoc->encode,
3268  bsrr->errcode, bsrr->errstring);
3269  res->diagnostics = dr->diagRecs;
3270  res->num_diagnostics = dr->num_diagRecs;
3271  }
3272  else
3273  {
3274  res->num_diagnostics = 0;
3275  res->diagnostics = 0;
3276  }
3277  res->resultCount = 0;
3278  res->otherInfo = 0;
3279 
3280  apdu->which = Z_APDU_sortResponse;
3281  apdu->u.sortResponse = res;
3282  if (log_request)
3283  {
3284  WRBUF wr = wrbuf_alloc();
3285  wrbuf_printf(wr, "Sort ");
3286  if (bsrr->errcode)
3287  wrbuf_printf(wr, " ERROR %d", bsrr->errcode);
3288  else
3289  wrbuf_printf(wr, "OK -");
3290  wrbuf_printf(wr, " (");
3291  for (i = 0; i<req->num_inputResultSetNames; i++)
3292  {
3293  if (i)
3294  wrbuf_printf(wr, "+");
3295  wrbuf_puts(wr, req->inputResultSetNames[i]);
3296  }
3297  wrbuf_printf(wr, ")->%s ",req->sortedResultSetName);
3298 
3299  yaz_log(log_request, "%s", wrbuf_cstr(wr) );
3300  wrbuf_destroy(wr);
3301  }
3302  return apdu;
3303 }
3304 
3306 {
3307  int i;
3311  odr_malloc(assoc->encode, sizeof(*res));
3312  bend_delete_rr *bdrr = (bend_delete_rr *)
3313  odr_malloc(assoc->encode, sizeof(*bdrr));
3314  Z_APDU *apdu = (Z_APDU *)odr_malloc(assoc->encode, sizeof(*apdu));
3315 
3316  yaz_log(log_requestdetail, "Got DeleteRequest.");
3317 
3318  bdrr->num_setnames = req->num_resultSetList;
3319  bdrr->setnames = req->resultSetList;
3320  for (i = 0; i<req->num_resultSetList; i++)
3321  yaz_log(log_requestdetail, "resultset: '%s'",
3322  req->resultSetList[i]);
3323  bdrr->stream = assoc->encode;
3324  bdrr->print = assoc->print;
3325  bdrr->function = odr_int_to_int(*req->deleteFunction);
3326  bdrr->referenceId = req->referenceId;
3327  bdrr->statuses = 0;
3328  if (bdrr->num_setnames > 0)
3329  {
3330  bdrr->statuses = (int*)
3331  odr_malloc(assoc->encode, sizeof(*bdrr->statuses) *
3332  bdrr->num_setnames);
3333  for (i = 0; i < bdrr->num_setnames; i++)
3334  bdrr->statuses[i] = 0;
3335  }
3336  (*assoc->init->bend_delete)(assoc->backend, bdrr);
3337 
3338  res->referenceId = req->referenceId;
3339 
3341 
3342  res->deleteListStatuses = 0;
3343  if (bdrr->num_setnames > 0)
3344  {
3345  int i;
3347  odr_malloc(assoc->encode, sizeof(*res->deleteListStatuses));
3348  res->deleteListStatuses->num = bdrr->num_setnames;
3350  (Z_ListStatus **)
3351  odr_malloc(assoc->encode,
3352  sizeof(*res->deleteListStatuses->elements) *
3353  bdrr->num_setnames);
3354  for (i = 0; i<bdrr->num_setnames; i++)
3355  {
3356  res->deleteListStatuses->elements[i] =
3357  (Z_ListStatus *)
3358  odr_malloc(assoc->encode,
3359  sizeof(**res->deleteListStatuses->elements));
3360  res->deleteListStatuses->elements[i]->status =
3361  odr_intdup(assoc->encode, bdrr->statuses[i]);
3362  res->deleteListStatuses->elements[i]->id =
3363  odr_strdup(assoc->encode, bdrr->setnames[i]);
3364  }
3365  }
3366  res->numberNotDeleted = 0;
3367  res->bulkStatuses = 0;
3368  res->deleteMessage = 0;
3369  res->otherInfo = 0;
3370 
3372  apdu->u.deleteResultSetResponse = res;
3373  if (log_request)
3374  {
3375  WRBUF wr = wrbuf_alloc();
3376  wrbuf_printf(wr, "Delete ");
3377  if (bdrr->delete_status)
3378  wrbuf_printf(wr, "ERROR %d", bdrr->delete_status);
3379  else
3380  wrbuf_printf(wr, "OK -");
3381  for (i = 0; i<req->num_resultSetList; i++)
3382  wrbuf_printf(wr, " %s ", req->resultSetList[i]);
3383  yaz_log(log_request, "%s", wrbuf_cstr(wr) );
3384  wrbuf_destroy(wr);
3385  }
3386  return apdu;
3387 }
3388 
3389 static void process_close(association *assoc, request *reqb)
3390 {
3391  Z_Close *req = reqb->apdu_request->u.close;
3392  static char *reasons[] =
3393  {
3394  "finished",
3395  "shutdown",
3396  "systemProblem",
3397  "costLimit",
3398  "resources",
3399  "securityViolation",
3400  "protocolError",
3401  "lackOfActivity",
3402  "peerAbort",
3403  "unspecified"
3404  };
3405 
3406  yaz_log(log_requestdetail, "Got Close, reason %s, message %s",
3407  reasons[*req->closeReason], req->diagnosticInformation ?
3408  req->diagnosticInformation : "NULL");
3409  if (assoc->version < 3) /* to make do_force respond with close */
3410  assoc->version = 3;
3412  "Association terminated by client", reqb);
3413  yaz_log(log_request,"Close OK");
3414 }
3415 
3417 {
3418  bend_segment_rr req;
3419 
3420  req.segment = reqb->apdu_request->u.segmentRequest;
3421  req.stream = assoc->encode;
3422  req.decode = assoc->decode;
3423  req.print = assoc->print;
3424  req.association = assoc;
3425 
3426  (*assoc->init->bend_segment)(assoc->backend, &req);
3427 
3428  return 0;
3429 }
3430 
3432 {
3433  bend_esrequest_rr esrequest;
3434  const char *ext_name = "unknown";
3435 
3439 
3441 
3442  esrequest.esr = reqb->apdu_request->u.extendedServicesRequest;
3443  esrequest.stream = assoc->encode;
3444  esrequest.decode = assoc->decode;
3445  esrequest.print = assoc->print;
3446  esrequest.errcode = 0;
3447  esrequest.errstring = NULL;
3448  esrequest.association = assoc;
3449  esrequest.taskPackage = 0;
3450  esrequest.referenceId = req->referenceId;
3451 
3452  if (esrequest.esr && esrequest.esr->taskSpecificParameters)
3453  {
3454  switch(esrequest.esr->taskSpecificParameters->which)
3455  {
3456  case Z_External_itemOrder:
3457  ext_name = "ItemOrder"; break;
3458  case Z_External_update:
3459  ext_name = "Update"; break;
3460  case Z_External_update0:
3461  ext_name = "Update0"; break;
3462  case Z_External_ESAdmin:
3463  ext_name = "Admin"; break;
3464 
3465  }
3466  }
3467 
3468  (*assoc->init->bend_esrequest)(assoc->backend, &esrequest);
3469 
3470  resp->referenceId = req->referenceId;
3471 
3472  if (esrequest.errcode == -1)
3473  {
3474  /* Backend service indicates request will be processed */
3475  yaz_log(log_request, "Extended Service: %s (accepted)", ext_name);
3477  }
3478  else if (esrequest.errcode == 0)
3479  {
3480  /* Backend service indicates request will be processed */
3481  yaz_log(log_request, "Extended Service: %s (done)", ext_name);
3483  }
3484  else
3485  {
3486  Z_DiagRecs *diagRecs =
3487  zget_DiagRecs(assoc->encode, esrequest.errcode,
3488  esrequest.errstring);
3489  /* Backend indicates error, request will not be processed */
3490  yaz_log(log_request, "Extended Service: %s (failed)", ext_name);
3492  resp->num_diagnostics = diagRecs->num_diagRecs;
3493  resp->diagnostics = diagRecs->diagRecs;
3494  if (log_request)
3495  {
3496  WRBUF wr = wrbuf_alloc();
3497  wrbuf_diags(wr, resp->num_diagnostics, resp->diagnostics);
3498  yaz_log(log_request, "EsRequest %s", wrbuf_cstr(wr) );
3499  wrbuf_destroy(wr);
3500  }
3501 
3502  }
3503  /* Do something with the members of bend_extendedservice */
3504  if (esrequest.taskPackage)
3505  {
3506  resp->taskPackage = z_ext_record_oid(
3508  (const char *) esrequest.taskPackage, -1);
3509  }
3510  yaz_log(YLOG_DEBUG,"Send the result apdu");
3511  return apdu;
3512 }
3513 
3515 {
3516  if (assoc->state == ASSOC_DEAD)
3517  return 0; /* already marked as dead. Don't check I/O chan anymore */
3518 
3519  return iochan_is_alive(assoc->client_chan);
3520 }
3521 
3522 
3523 /*
3524  * Local variables:
3525  * c-basic-offset: 4
3526  * c-file-style: "Stroustrup"
3527  * indent-tabs-mode: nil
3528  * End:
3529  * vim: shiftwidth=4 tabstop=8 expandtab
3530  */
3531 
Z_TaskPackage * taskPackage
Definition: backend.h:222
Z_Operand * simple
Definition: z-core.h:502
Z_SRW_scanRequest * scan_request
Definition: srw.h:207
Z_APDU * apdu_request
Definition: session.h:76
void * server_node_ptr
Definition: backend.h:242
#define Z_APDU_scanResponse
Definition: z-core.h:365
#define EVENT_INPUT
Definition: eventl.h:49
union Z_Records::@56 u
Odr_int * resultCount
Definition: z-core.h:625
char ** setnames
Definition: backend.h:185
Z_AttributesPlusTerm * termListAndStartPoint
Definition: z-core.h:949
int partial_resultset
Definition: backend.h:74
#define Z_ExtendedServicesResponse_failure
Definition: z-core.h:1145
union Z_ElementSetNames::@61 u
#define Z_PresentStatus_partial_4
Definition: z-core.h:782
Z_DiagRec * surrogateDiagnostic
Definition: z-core.h:985
int errcode
Definition: backend.h:150
IOCHAN client_chan
Definition: session.h:108
int surrogate_flag
Definition: backend.h:114
int which
Definition: z-core.h:510
char * buf
Definition: odr.h:101
#define Z_APDU_searchResponse
Definition: z-core.h:352
Z_SRW_extra_record * extra_record
Definition: srw.h:165
#define ODR_MASK_GET(mask, num)
Definition: odr.h:211
Odr_oid ** recordSyntax
Definition: z-core.h:796
Z_External * yaz_set_proposal_charneg(ODR o, const char **charsets, int num_charsets, const char **langs, int num_langs, int selected)
Definition: charneg.c:152
static Z_NamePlusRecord * surrogatediagrec(association *assoc, const char *dbname, int error, const char *addinfo)
Definition: seshigh.c:2487
#define Z_APDU_segmentRequest
Definition: z-core.h:368
Odr_int * numberOfRecordsReturned
Definition: z-core.h:626
Z_HTTP_Header * headers
Definition: zgdu.h:60
#define Z_SearchResponse_estimate
Definition: z-core.h:632
Odr_int * resultSetStatus
Definition: z-core.h:633
const char * odr_getelement(ODR o)
Definition: odr.c:90
int num_diagRecs
Definition: z-core.h:688
int yaz_sru_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu, Z_SOAP **soap_package, ODR decode, char **charset, Z_SRW_diagnostic **diag, int *num_diag)
Definition: srwutil.c:358
char * errstring
Definition: backend.h:151
#define Z_SRW_scan_request
Definition: srw.h:195
static char * srw_bend_explain_default(bend_explain_rr *rr)
Definition: seshigh.c:1237
Z_SOAP_Generic * generic
Definition: soap.h:59
static Z_APDU * process_sortRequest(association *assoc, request *reqb)
Definition: seshigh.c:3229
#define Z_SRW_scan_response
Definition: srw.h:196
Z_InternationalString * groupId
Definition: z-core.h:392
Z_OtherInformation * search_info
Definition: backend.h:69
char * term
Definition: backend.h:120
void request_enq(request_q *q, request *r)
Definition: requestq.c:21
Z_OtherInformation * search_input
Definition: backend.h:77
bend_association association
Definition: backend.h:65
#define YAZ_SRW_AUTHENTICATION_ERROR
Definition: diagsrw.h:12
union Z_GDU::@135 u
int yaz_pqf_error(YAZ_PQF_Parser p, const char **msg, size_t *off)
Definition: pquery.c:907
#define Z_Close_finished
Definition: z-core.h:1178
Odr_int * startRecord
Definition: srw.h:83
#define YLOG_DEBUG
log level: debugging
Definition: log.h:44
Odr_int * stepSize
Definition: z-core.h:950
Z_SRW_record record
Definition: srw.h:123
#define Z_Term_general
Definition: z-core.h:547
Z_ReferenceId * referenceId
Definition: backend.h:101
char * input_buffer
Definition: session.h:115
Z_ReferenceId * referenceId
Definition: z-core.h:651
Z_ElementSetNames * smallSetElementSetNames
Definition: z-core.h:460
Z_APDU * z3950
Definition: zgdu.h:71
yaz_retrieval_t retrieval
Definition: session.h:55
Z_InternationalString * implementationName
Definition: z-core.h:419
int num_diagnostics
Definition: z-core.h:1055
int records_in_same_charset
whether query_charset also applies to records
Definition: backend.h:286
#define OHTTP
Definition: odr.h:162
void yaz_scan_to_wrbuf(WRBUF b, const Z_AttributesPlusTerm *zapt, const Odr_oid *attrbute_set)
Definition: querytowrbuf.c:243
#define ODR_PRINT
Definition: odr.h:97
#define Z_SRW_recordPacking_string
Definition: srw.h:54
Z_Segment * segment
Definition: backend.h:227
const char * yaz_mime_lookup_fname(yaz_mime_types t, const char *fname)
Definition: mime.c:58
int code
Definition: zgdu.h:58
const Odr_oid yaz_oid_recsyn_opac[]
Definition: oid_std.c:69
Z_DefaultDiagFormat * zget_DefaultDiagFormat(ODR o, int error, const char *addinfo)
Creates Default Diag Format Diagnostic.
Definition: zget.c:498
char * uri
Definition: backend.h:176
char * errstring
Definition: backend.h:68
Odr_int * numberOfRecords
Definition: srw.h:140
static int node(struct cql_node *cn, void(*pr)(const char *buf, void *client_data), void *client_data)
Definition: cql2ccl.c:86
#define cs_accept(handle)
Definition: comstack.h:98
int cs_get_mask
Definition: session.h:129
char * recordData_buf
Definition: srw.h:58
char * odr_strdup(ODR o, const char *str)
Definition: odr_mem.c:36
#define wrbuf_buf(b)
Definition: wrbuf.h:251
#define EVENT_OUTPUT
Definition: eventl.h:50
Z_OtherInformation * otherInfo
Definition: z-core.h:953
Z_InternationalString * implementationVersion
Definition: z-core.h:386
void yaz_mime_types_add(yaz_mime_types t, const char *suffix, const char *mime_type)
Definition: mime.c:37
int(* bend_search)(void *handle, bend_search_rr *rr)
SRU/Z39.50 search handler.
Definition: backend.h:295
Z_InternationalString * resultSetName
Definition: z-core.h:457
request * request_head(request_q *q)
Definition: requestq.c:31
char * srw_version
Definition: srw.h:212
Odr_oid * preferredRecordSyntax
Definition: z-core.h:658
static void srw_bend_scan(association *assoc, Z_HTTP_Header *headers, Z_SRW_PDU *sr, Z_SRW_PDU *res, int *http_code)
Definition: seshigh.c:1324
int odr_offset(ODR o)
Definition: odr.c:285
int yaz_record_conv_record(yaz_record_conv_t p, const char *input_record_buf, size_t input_record_len, WRBUF output_record)
Definition: record_conv.c:1274
const char * yaz_retrieval_get_error(yaz_retrieval_t p)
Definition: retrieval.c:379
#define Z_APDU_searchRequest
Definition: z-core.h:351
#define Z_Query_type_1
Definition: z-core.h:479
char * errstring
Definition: backend.h:94
#define Z_External_CQL
Definition: prt-ext.h:93
union Z_SOAP::@31 u
char * recordIdentifier
Definition: srw.h:47
#define cs_close(handle)
Definition: comstack.h:99
#define ODR_ENCODE
Definition: odr.h:96
char * recordId
Definition: srw.h:180
Z_ReferenceId * referenceId
Definition: z-core.h:624
static void do_close_req(association *a, int reason, char *message, request *req)
Definition: seshigh.c:231
const Odr_oid yaz_oid_userinfo_scan_set[]
Definition: oid_std.c:117
Z_ReferenceId * referenceId
Definition: backend.h:59
#define YAZ_SRW_UNSUPP_OPERATION
Definition: diagsrw.h:13
Z_InternationalString * generic
Definition: z-core.h:771
static int log_requestdetail
Definition: seshigh.c:105
char * record
Definition: backend.h:109
int num_inputResultSetNames
Definition: z-core.h:1037
Query to WRBUF (to strings)
int replace_set
Definition: backend.h:56
#define Z_CharSetandLanguageNegotiation_proposal
Definition: z-charneg.h:65
char * odr_getbuf(ODR o, int *len, int *size)
Definition: odr.c:277
#define YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE
Definition: diagsrw.h:69
void cql_parser_destroy(CQL_parser cp)
destroys a CQL parser.
Definition: cql.c:1986
Z_Records * records
Definition: z-core.h:678
Z_SRW_diagnostic * diagnostics
Definition: srw.h:148
Header for CCL node tree to RPN converson utilities.
#define xmalloc_trav(s)
utility macro which calls malloc_trav_f
Definition: xmalloc.h:59
const char * wrbuf_cstr(WRBUF b)
returns WRBUF content as C-string
Definition: wrbuf.c:281
Z_Query * query
Definition: z-core.h:463
Odr_bool * searchStatus
Definition: z-core.h:628
union Z_SRW_searchRetrieveRequest::@32 sort
char * extra_request_data
Definition: backend.h:174
Z_ListStatus ** elements
Definition: z-core.h:847
#define YAZ_SRW_UNSUPP_SORT_TYPE
Definition: diagsrw.h:84
int error
Definition: odr.h:128
Z_SRW_scanTerm * terms
Definition: srw.h:146
Z_PresentRequest * presentRequest
Definition: z-core.h:328
Odr_oid * direct_reference
Definition: prt-ext.h:60
Z_SRW_record * yaz_srw_get_record(ODR o)
Definition: srwutil.c:735
Z_ProtocolVersion * protocolVersion
Definition: z-core.h:413
Z_Records * records
Definition: z-core.h:635
Z_SRW_diagnostic * diagnostics
Definition: srw.h:187
int which
Definition: z-core.h:322
#define Z_ElementSetNames_generic
Definition: z-core.h:773
Z_ReferenceId * referenceId
Definition: backend.h:202
Z_SRW_extra_record ** extra_records
Definition: srw.h:110
Z_NamePlusRecord ** records
Definition: z-core.h:684
yaz_iconv_t yaz_iconv_open(const char *tocode, const char *fromcode)
just like iconv_open(3)
Definition: siconv.c:95
Z_SRW_extra_arg * extra_args
Definition: backend.h:75
int oid_oidcmp(const Odr_oid *o1, const Odr_oid *o2)
compares OIDs
Definition: oid_util.c:34
Internal header for GFS.
request_q incoming
Definition: session.h:120
Z_OtherInformation * otherInfo
Definition: z-core.h:388
Header for SRW/SRU.
#define Z_Options_present
Definition: z-core.h:430
#define Z_Options_concurrentOperations
Definition: z-core.h:441
request_state state
Definition: session.h:73
Z_Query * query
Definition: backend.h:60
Odr_int * mediumSetPresentNumber
Definition: z-core.h:455
static Z_Records * diagrec(association *assoc, int error, char *addinfo)
Definition: seshigh.c:2471
char * errstring
Definition: backend.h:221
Header for PQF parsing.
void wrbuf_puts(WRBUF b, const char *buf)
appends C-string to WRBUF
Definition: wrbuf.c:89
char * password
Definition: srw.h:214
Z_InternationalString * uri
Definition: z-core.h:813
char * extraResponseData_buf
Definition: srw.h:185
char * srw_sortKeys
Definition: backend.h:70
Header for common YAZ utilities.
int ir_read(IOCHAN h, int event)
Definition: seshigh.c:266
Odr_oid * output_format
Definition: backend.h:111
static void process_close(association *assoc, request *reqb)
Definition: seshigh.c:3389
union Z_SRW_PDU::@33 u
Z_Close * close
Definition: z-core.h:346
static char * get_vhost(Z_OtherInformation *otherInfo)
Definition: seshigh.c:2175
Z_InitRequest * initRequest
Definition: z-core.h:324
int(* Z_SOAP_fun)(ODR o, void *ptr, void **handler_data, void *client_data, const char *ns)
Definition: soap.h:65
Z_RPNStructure * RPNStructure
Definition: z-core.h:490
Z_ExtendedServicesResponse * extendedServicesResponse
Definition: z-core.h:345
void * backend
Definition: session.h:119
const char * yaz_record_conv_get_error(yaz_record_conv_t p)
Definition: record_conv.c:1284
Z_OtherInformation * otherInfo
Definition: z-core.h:422
#define Z_APDU_initResponse
Definition: z-core.h:350
#define Z_External_update0
Definition: prt-ext.h:86
Z_SRW_record * record
Definition: srw.h:183
#define cs_get(handle, buf, size)
Definition: comstack.h:91
Z_ListStatuses * deleteListStatuses
Definition: z-core.h:833
int cql_transform_error(cql_transform_t ct, const char **addinfo)
returns additional information for last transform
yaz_marc_t yaz_marc_create(void)
construct yaz_marc_t handle
Definition: marcdisp.c:102
char * scanClause
Definition: srw.h:131
Odr_int * numberOfTermsRequested
Definition: z-core.h:951
Z_OtherInformation * additionalSearchInfo
Definition: z-core.h:636
Z_RPNQuery * yaz_pqf_parse(YAZ_PQF_Parser p, ODR o, const char *qbuf)
Definition: pquery.c:816
Information for SRU record update handler.
Definition: backend.h:159
static Z_APDU * response_searchRequest(association *assoc, request *reqb, bend_search_rr *bsrr)
Definition: seshigh.c:2767
result for init handler (must be filled by handler)
Definition: backend.h:320
the internals of a yaz_marc_t handle
Definition: marcdisp.c:86
char * database
Definition: srw.h:159
short Odr_oid
Definition: oid_util.h:42
#define CS_WANT_WRITE
Definition: comstack.h:115
int num_entries
Definition: backend.h:144
Z_SRW_extra_record * yaz_srw_get_extra_record(ODR o)
Definition: srwutil.c:707
Z_SRW_searchRetrieveResponse * response
Definition: srw.h:204
int(* bend_delete)(void *handle, bend_delete_rr *rr)
Z39.50 delete result set handler.
Definition: backend.h:303
int errcode
Definition: backend.h:122
void odr_setprint(ODR o, FILE *file)
Definition: odr.c:164
Odr_int * numberOfRecords
Definition: srw.h:98
#define Z_Query_type_101
Definition: z-core.h:482
Z_FacetList * facetList
Definition: srw.h:94
static Z_APDU * process_initRequest(association *assoc, request *reqb)
Definition: seshigh.c:2187
nmem_int_t Odr_int
Definition: odr.h:47
request * request_get(request_q *q)
Definition: requestq.c:67
union Z_Specification::@63 schema
const char * ccl_err_msg(int ccl_errno)
Definition: cclerrms.c:36
int extraRequestData_len
Definition: srw.h:167
Odr_oid * attributeset
Definition: backend.h:136
char * errstring
Definition: backend.h:123
Information for SRU / Z39.50 scan handler.
Definition: backend.h:133
const char * yaz_get_esn(Z_RecordComposition *comp)
get element set name from RecordComposition
Definition: elementset.c:16
void yaz_add_srw_diagnostic(ODR o, Z_SRW_diagnostic **d, int *num, int code, const char *addinfo)
Definition: srwutil.c:185
request * request_deq(request_q *q)
Definition: requestq.c:36
#define YAZ_SRU_UPDATE_MISSING_MANDATORY_ELEMENT_RECORD_REJECTED
static void assoc_init_reset(association *assoc, const char *peer_name1)
Definition: seshigh.c:483
Z_SRW_scanResponse * scan_response
Definition: srw.h:208
void * nmem_malloc(NMEM n, size_t size)
allocates memory block on NMEM handle
Definition: nmem.c:145
RPN tree structure node.
Definition: ccl.h:128
Z_ElementSpec * elementSpec
Definition: z-core.h:817
static void process_http_request(association *assoc, request *req)
Definition: seshigh.c:1767
int * statuses
Definition: backend.h:188
Z_ReferenceId * referenceId
Definition: z-core.h:957
Z_RPNQuery * ccl_rpn_query(ODR o, struct ccl_rpn_node *p)
Definition: yaz-ccl.c:20
#define YLOG_LOG
log level: log (regular)
Definition: log.h:48
string buffer
Definition: wrbuf.h:42
#define Z_SearchResponse_subset
Definition: z-core.h:629
static void srw_bend_update(association *assoc, Z_HTTP_Header *headers, Z_SRW_PDU *sr, Z_SRW_updateResponse *srw_res, int *http_code)
Definition: seshigh.c:1504
char * display_term
Definition: backend.h:124
Z_ResultSetId ** resultSetList
Definition: z-core.h:826
ODR decode
Definition: session.h:110
Odr_int * globalOccurrences
Definition: z-core.h:997
int named_result_sets
whether named result sets are supported (0=disable, 1=enable)
Definition: backend.h:316
static int cql2pqf(ODR odr, const char *cql, cql_transform_t ct, Z_Query *query_result, char **sortkeys_p)
Definition: seshigh.c:807
#define ODR_MASK_SET(mask, num)
Definition: odr.h:204
Z_ReferenceId * referenceId
Definition: z-core.h:1036
static Z_APDU * process_scanRequest(association *assoc, request *reqb)
Definition: seshigh.c:3023
int yaz_srw_str_to_pack(const char *str)
Definition: srwutil.c:1226
Z_SortResponse * sortResponse
Definition: z-core.h:342
Z_AttributesPlusTerm * attributesPlusTerm
Definition: z-core.h:512
Z_GDU * z_get_HTTP_Response(ODR o, int code)
Definition: http.c:384
int input_buffer_len
Definition: session.h:116
struct ccl_rpn_node * ccl_find_str(CCL_bibset bibset, const char *str, int *error, int *pos)
parse CCL find string using CCL profile return RPN tree
Definition: cclfind.c:1310
Z_DatabaseName * databaseName
Definition: z-core.h:705
static int cql2pqf_scan(ODR odr, const char *cql, cql_transform_t ct, Z_AttributesPlusTerm *result)
Definition: seshigh.c:876
#define Z_Scan_success
Definition: z-core.h:959
oid_proto proto
Definition: session.h:118
Information for the Init handler.
Definition: backend.h:251
Z_External * type_104
Definition: z-core.h:477
#define Z_Options_scan
Definition: z-core.h:436
Odr_int * maximumRecordSize
Definition: z-core.h:416
int yaz_srw_codec(ODR o, void *vptr, Z_SRW_PDU **handler_data, void *client_data, const char *ns)
Definition: srw.c:581
Z_SRW_recordVersion * record_versions
Definition: backend.h:168
#define Z_Query_type_104
Definition: z-core.h:484
void wrbuf_diags(WRBUF b, int num_diagnostics, Z_DiagRec **diags)
Definition: querytowrbuf.c:251
char * recordPacking
Definition: srw.h:116
void * server_node_ptr
Definition: session.h:50
Z_ListStatuses * bulkStatuses
Definition: z-core.h:835
Z_OtherInformation * otherInfo
Definition: z-core.h:1058
void yaz_marc_destroy(yaz_marc_t mt)
destroy yaz_marc_t handle
Definition: marcdisp.c:120
void * odr_malloc(ODR o, size_t size)
Definition: odr_mem.c:31
#define Z_RecordComp_simple
Definition: z-core.h:645
Z_RPNQuery * type_1
Definition: z-core.h:472
#define YLOG_FATAL
log level: fatal
Definition: log.h:42
ODR stream
encoding stream (for results)
Definition: backend.h:256
int(* bend_scan)(void *handle, bend_scan_rr *rr)
Z39.50 scan handler.
Definition: backend.h:305
static void srw_bend_search(association *assoc, Z_HTTP_Header *headers, Z_SRW_PDU *sr, Z_SRW_PDU *res, int *http_code)
Definition: seshigh.c:919
int(* bend_esrequest)(void *handle, bend_esrequest_rr *rr)
Z39.50 extended services handler.
Definition: backend.h:301
char * extra_record_data
Definition: backend.h:173
#define Z_APDU_deleteResultSetResponse
Definition: z-core.h:356
void yaz_oi_set_facetlist(Z_OtherInformation **otherInformation, ODR odr, Z_FacetList *facet_list)
Definition: facet.c:23
Z_OtherInformation * otherInfo
Definition: z-core.h:837
const Odr_oid yaz_oid_recsyn_xml[]
Definition: oid_std.c:89
char * version
Definition: zgdu.h:59
Odr_oid * request_format
Definition: backend.h:102
Odr_oct * general
Definition: z-core.h:539
#define Z_Close_lackOfActivity
Definition: z-core.h:1185
char * operation
Definition: srw.h:160
Odr_int * maximumTerms
Definition: srw.h:133
Information for fetch record handler.
Definition: backend.h:98
char configname[BEND_NAME_MAX]
Definition: backend.h:340
char * queryType
Definition: srw.h:130
Header for OID database.
Z_NamePlusRecordList * databaseOrSurDiagnostics
Definition: z-core.h:695
union Z_External::@30 u
int(* bend_explain)(void *handle, bend_explain_rr *rr)
SRU explain handler.
Definition: backend.h:309
static int process_z_request(association *assoc, request *req, char **msg)
Definition: seshigh.c:2029
int which
Definition: zgdu.h:69
char * extraRecordData_buf
Definition: srw.h:45
Z_OtherInformation * otherInfo
Definition: z-core.h:637
Z_InternationalString ** inputResultSetNames
Definition: z-core.h:1038
Z_External * databaseRecord
Definition: z-core.h:708
int which
Definition: prt-ext.h:63
static int log_session
Definition: seshigh.c:102
#define YAZ_XMLNS_SRU_v1_1
Definition: srw.h:328
#define EVENT_EXCEPT
Definition: eventl.h:51
char * uri
Definition: srw.h:64
Z_InternationalString * implementationName
Definition: z-core.h:385
#define Z_Options_namedResultSets
Definition: z-core.h:442
Z_ReferenceId * referenceId
Definition: backend.h:87
#define Z_Options_extendedServices
Definition: z-core.h:438
#define Z_SRW_explain_response
Definition: srw.h:194
char * oid_oid_to_dotstring(const Odr_oid *oid, char *oidbuf)
converts OID to string (dot notation)
Definition: oid_util.c:59
union Z_Entry::@66 u
Z_SRW_updateRequest * update_request
Definition: srw.h:209
Odr_int * maximumRecords
Definition: srw.h:84
Z_InternationalString * displayTerm
Definition: z-core.h:993
void * p
Definition: soap.h:49
static void process_gdu_request(association *assoc, request *req)
Definition: seshigh.c:2009
Odr_bool * replaceIndicator
Definition: z-core.h:456
char * extraResponseData_buf
Definition: srw.h:221
Odr_int * numberOfEntriesReturned
Definition: z-core.h:967
char * path
Definition: zgdu.h:51
char * version
Definition: zgdu.h:50
Odr_int * resultSetStatus
Definition: z-core.h:1054
int yaz_iconv_close(yaz_iconv_t cd)
just like iconv_close(3)
Definition: siconv.c:284
int(* bend_present)(void *handle, bend_present_rr *rr)
SRU/Z39.50 present handler.
Definition: backend.h:299
Information for Z39.50 extended services handler.
Definition: backend.h:210
Z_SRW_PDU * yaz_srw_get_pdu(ODR o, int which, const char *version)
Definition: srwutil.c:818
static int log_request
Definition: seshigh.c:104
#define Z_RecordComp_complex
Definition: z-core.h:646
#define Z_NamePlusRecord_databaseRecord
Definition: z-core.h:713
Z_AttributeList * suggestedAttributes
Definition: z-core.h:994
Z_DiagRecs * zget_DiagRecs(ODR o, int error, const char *addinfo)
Creates Diagnostic record - Z_DiagRecs type.
Definition: zget.c:519
bend_association association
Definition: backend.h:91
struct bend_initrequest * init
Definition: session.h:133
static int ccl2pqf(ODR odr, const Odr_oct *ccl, CCL_bibset bibset, bend_search_rr *bsrr)
Definition: seshigh.c:900
int which
Definition: z-core.h:537
int z_soap_codec_enc_xsl(ODR o, Z_SOAP **pp, char **content_buf, int *content_len, Z_SOAP_Handler *handlers, const char *encoding, const char *stylesheet)
Definition: soap.c:26
Information for Z39.50 segment handler.
Definition: backend.h:226
#define Z_Options_triggerResourceCtrl
Definition: z-core.h:433
int odr_geterror(ODR o)
Definition: odr.c:78
Z_DeleteStatus * status
Definition: z-core.h:842
Header for Z39.50 OtherInfo utilities.
Definitions for event loop handling for GFS.
#define YAZ_SRW_UNSUPP_QUERY_TYPE
Definition: diagsrw.h:19
Z_DiagRec ** diagRecs
Definition: z-core.h:689
static Z_Records * pack_records(association *a, char *setname, Odr_int start, Odr_int *num, Z_RecordComposition *comp, Odr_int *next, Odr_int *pres, Z_ReferenceId *referenceId, Odr_oid *oid, int *errcode)
Definition: seshigh.c:2496
char * message
Definition: backend.h:177
Z_SortKeySpecList * sortSequence
Definition: z-core.h:1040
Z_PresentResponse * presentResponse
Definition: z-core.h:329
static int retrieve_fetch(association *assoc, bend_fetch_rr *rr)
Definition: seshigh.c:595
#define iochan_setevent(i, e)
Definition: eventl.h:76
int control_association(association *assoc, const char *host, int force)
Definition: statserv.c:267
#define YAZ_XMLNS_SRU_v1_0
Definition: srw.h:327
Odr_oid * odr_getoidbystr(ODR o, const char *str)
Definition: odr_util.c:77
Odr_null * odr_nullval(void)
Definition: odr.c:30
char * extraRequestData_buf
Definition: srw.h:166
Z_External * zget_init_diagnostics(ODR odr, int error, const char *addinfo)
Creates Initialize Response diagnostics.
Definition: zget.c:546
#define Z_GDU_HTTP_Request
Definition: zgdu.h:66
NMEM odr_extract_mem(ODR o)
Definition: odr_mem.c:23
Odr_int * resultSetStartPoint
Definition: z-core.h:653
Definition: z-core.h:536
#define YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS
Definition: diagbib1.h:24
Odr_int * nextResultSetPosition
Definition: z-core.h:676
int estimated_hit_count
Definition: backend.h:73
Z_IdPass * idPass
Definition: z-core.h:401
#define Z_IdAuthentication_anonymous
Definition: z-core.h:406
void odr_setbuf(ODR o, char *buf, int len, int can_grow)
Definition: odr.c:267
Query to WRBUF (to strings)
#define Z_APDU_deleteResultSetRequest
Definition: z-core.h:355
#define YAZ_SRU_UPDATE_UNSPECIFIED_DATABASE_ERROR
char * srw_setname
Definition: backend.h:71
#define cs_put(handle, buf, size)
Definition: comstack.h:90
Header for Z39.50 Query Printing.
struct gfs_server * server
Definition: session.h:136
Z_SRW_extra_record * extra_record
Definition: srw.h:184
char * basename
Definition: backend.h:107
YAZ_PQF_Parser yaz_pqf_create(void)
Definition: pquery.c:798
association * create_association(IOCHAN channel, COMSTACK link, const char *apdufile)
Definition: seshigh.c:148
#define YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE
Definition: diagbib1.h:23
ODR encode
Definition: session.h:111
Z_Specification * generic
Definition: z-core.h:792
Z_ReferenceId * referenceId
reference ID
Definition: backend.h:262
int extraResponseData_len
Definition: srw.h:222
Z_IdAuthentication * idAuthentication
Definition: z-core.h:383
Odr_int * stepSize
Definition: z-core.h:958
struct scan_entry * entries
Definition: backend.h:148
Odr_int * resultSetIdleTime
Definition: srw.h:101
void odr_reset(ODR o)
Definition: odr.c:226
Odr_int * numberNotDeleted
Definition: z-core.h:834
Z_SRW_diagnostic * diagnostics
Definition: srw.h:106
#define YAZ_SRW_RESULT_SET_CREATED_WITH_VALID_PARTIAL_RESULTS_AVAILABLE
Definition: diagsrw.h:67
Z_ReferenceId * referenceId
Definition: backend.h:186
int which
Definition: z-core.h:469
#define Z_Records_NSD
Definition: z-core.h:699
Z_ElementSetNames * mediumSetElementSetNames
Definition: z-core.h:461
request_q outgoing
Definition: session.h:121
ODR decode
decoding stream (use stream for results)
Definition: backend.h:260
#define cs_more(handle)
Definition: comstack.h:92
Z_ExtendedServicesRequest * extendedServicesRequest
Definition: z-core.h:344
#define xfree(x)
utility macro which calls xfree_f
Definition: xmalloc.h:53
#define Z_Options_negotiationModel
Definition: z-core.h:445
bend_association association
Definition: backend.h:231
Z_APDU * zget_APDU(ODR o, int which)
Definition: zget.c:410
Z_PresentStatus * presentStatus
Definition: z-core.h:634
#define Z_ProtocolVersion_3
Definition: z-core.h:427
int len_response
Definition: session.h:80
Z_DiagRec ** diagnostics
Definition: z-core.h:1148
char * database
Definition: backend.h:240
Small utility to manage MIME types.
Z_AttributesPlusTerm * yaz_pqf_scan(YAZ_PQF_Parser p, ODR o, Odr_oid **attributeSetP, const char *qbuf)
Definition: pquery.c:824
Information for Z39.50 delete result set handler.
Definition: backend.h:182
char * database
Definition: srw.h:118
void wrbuf_printf(WRBUF b, const char *fmt,...)
writes printf result to WRBUF
Definition: wrbuf.c:178
Odr_int * preferredMessageSize
Definition: z-core.h:415
Z_GDU * gdu_request
Definition: session.h:75
Z_ReferenceId * referenceId
Definition: z-core.h:674
static int srw_bend_fetch(association *assoc, int pos, Z_SRW_searchRetrieveRequest *srw_req, Z_SRW_record *record, const char **addinfo, int *last_in_set)
Definition: seshigh.c:721
Odr_bool * result
Definition: z-core.h:417
char * query_charset
character set (encoding) for query terms
Definition: backend.h:279
void request_release(request *r)
Definition: requestq.c:91
#define Z_APDU_extendedServicesRequest
Definition: z-core.h:369
Header for GFS (Obsolete. Use yaz/backend.h)
int maximumRecordSize
Definition: session.h:126
Z_SRW_explainRequest * explain_request
Definition: srw.h:205
#define YLOG_ERRNO
log level: append system error message
Definition: log.h:50
void yaz_mk_sru_surrogate(ODR o, Z_SRW_record *record, int pos, int code, const char *details)
Definition: srwutil.c:205
static int srw_bend_init(association *assoc, Z_HTTP_Header *headers, Z_SRW_diagnostic **d, int *num, Z_SRW_PDU *sr)
Definition: seshigh.c:532
int yaz_diag_srw_to_bib1(int code)
Definition: diag_map.c:215
int options(const char *desc, char **argv, int argc, char **arg)
command-line options parsing for main
Definition: options.c:21
Z_External * userInformationField
Definition: z-core.h:421
char * extra_response_data
Definition: backend.h:76
Z_InternationalString * implementationId
Definition: z-core.h:384
#define Z_Entry_surrogateDiagnostic
Definition: z-core.h:987
void wrbuf_destroy(WRBUF b)
destroy WRBUF and its buffer
Definition: wrbuf.c:38
Definition: soap.h:55
static Z_APDU * process_ESRequest(association *assoc, request *reqb)
Definition: seshigh.c:3431
static int process_gdu_response(association *assoc, request *req, Z_GDU *res)
Definition: seshigh.c:2121
char * stylesheet
Definition: srw.h:119
Z_External * externallyDefinedInfo
Definition: z-core.h:1285
int recordPacking
Definition: srw.h:53
Header for COMSTACK.
int cql_sortby_to_sortkeys_buf(struct cql_node *cn, char *out, int max)
converts CQL sortby to sortkeys ..
Definition: cql_sortkeys.c:120
#define Z_External_ESAdmin
Definition: prt-ext.h:85
char * descriptor
Definition: prt-ext.h:62
void z_HTTP_header_add(ODR o, Z_HTTP_Header **hp, const char *n, const char *v)
Definition: http.c:189
Z_DeleteStatus * deleteOperationStatus
Definition: z-core.h:832
Z_Entry ** entries
Definition: z-core.h:976
Z_ResultSetId * id
Definition: z-core.h:841
#define cs_addrstr(handle)
Definition: comstack.h:108
Z_DeleteResultSetRequest * deleteResultSetRequest
Definition: z-core.h:330
Z_OccurrenceByAttributes * byAttributes
Definition: z-core.h:998
Odr_int * sortStatus
Definition: z-core.h:1049
void wrbuf_puts_replace_char(WRBUF b, const char *buf, const char from, const char to)
puts buf to WRBUF and replaces a single char
Definition: wrbuf.c:100
const char * cs_errmsg(int n)
Definition: comstack.c:36
int extraResponseData_len
Definition: srw.h:186
#define Z_ProtocolVersion_1
Definition: z-core.h:425
int delete_status
Definition: backend.h:187
char * implementation_id
Definition: backend.h:288
union Z_Query::@48 u
Information for SRU Explain handler.
Definition: backend.h:235
char * explain_buf
Definition: backend.h:239
int term_position
Definition: backend.h:143
Odr_oid * format
Definition: backend.h:86
const Odr_oid yaz_oid_userinfo_proxy[]
Definition: oid_std.c:114
Header for Z39.50 Protocol.
void wrbuf_vp_puts(const char *buf, void *client_data)
appends C-string to WRBUF - void pointer variant
Definition: wrbuf.c:94
Z_AttributesPlusTerm ** alternativeTerm
Definition: z-core.h:996
Z_ExtendedServicesRequest * esr
Definition: backend.h:213
int odr_dumpBER(FILE *f, const char *buf, int len)
Definition: dumpber.c:129
char * operation_status
Definition: backend.h:166
char * errstring
Definition: backend.h:206
Z_OtherInformation * otherInfo
Definition: z-core.h:465
Definition: z-core.h:981
char * operation
Definition: backend.h:165
char * recordSchema
Definition: srw.h:51
Z_ReferenceId * referenceId
Definition: backend.h:218
Definition: odr.h:99
const Odr_oid yaz_oid_userinfo_client_ip[]
Definition: oid_std.c:116
int version
Definition: session.h:127
int num_versions
Definition: backend.h:169
#define iochan_destroy(i)
Definition: eventl.h:64
Header for the facet utilities.
statserv_options_block * statserv_getcontrol(void)
Definition: statserv.c:1215
const Odr_oid yaz_oid_recsyn_extended[]
Definition: oid_std.c:73
int yaz_ucp_codec(ODR o, void *vptr, Z_SRW_PDU **handler_data, void *client_data, const char *ns_ucp_str)
Definition: srw.c:1150
#define YAZ_BIB1_DATABASE_UNAVAILABLE
Definition: diagbib1.h:53
Z_ResultSetId * resultSetId
Definition: z-core.h:652
#define OID_STR_MAX
Definition: oid_util.h:40
#define Z_GDU_Z3950
Definition: zgdu.h:65
char * errstring
Definition: backend.h:323
int preferredMessageSize
Definition: session.h:125
Z_CloseReason * closeReason
Definition: z-core.h:1171
Odr_oct * type_2
Definition: z-core.h:473
Z_SRW_extra_arg * extra_args
Definition: srw.h:219
Information for Z39.50/SRU search handler.
Definition: backend.h:54
Z_DatabaseName ** databaseNames
Definition: z-core.h:459
#define Z_Options_delSet
Definition: z-core.h:431
unsigned io_pending
Definition: comstack.h:63
Z_Options * options
Definition: z-core.h:380
void ir_session(IOCHAN h, int event)
Definition: seshigh.c:365
Z_OtherInformationUnit * yaz_oi_update(Z_OtherInformation **otherInformationP, ODR odr, const Odr_oid *oid, int categoryValue, int delete_flag)
Definition: otherinfo.c:76
#define cs_errno(handle)
Definition: comstack.h:106
Odr_int * indirect_reference
Definition: prt-ext.h:61
#define Z_ElementSpec_elementSetName
Definition: z-core.h:804
Z_InternationalString * userId
Definition: z-core.h:393
Z_DatabaseName ** databaseNames
Definition: z-core.h:947
Z_SRW_explainResponse * explain_response
Definition: srw.h:206
Z_DeleteResultSetResponse * deleteResultSetResponse
Definition: z-core.h:331
int(* bend_fetch)(void *handle, bend_fetch_rr *rr)
SRU/Z39.50 fetch handler.
Definition: backend.h:297
#define Z_SearchResponse_none
Definition: z-core.h:631
Odr_int * preferredPositionInResponse
Definition: z-core.h:952
#define ODR_INT_PRINTF
Definition: odr.h:49
#define YAZ_XMLNS_UPDATE_v0_9
Definition: srw.h:331
void yaz_add_srw_diagnostic_uri(ODR o, Z_SRW_diagnostic **d, int *num, const char *uri, const char *message, const char *details)
Definition: srwutil.c:171
char * value
Definition: srw.h:139
char * username
Definition: srw.h:213
#define iochan_clearflag(i, d)
Definition: eventl.h:72
static Z_APDU * process_segmentRequest(association *assoc, request *reqb)
Definition: seshigh.c:3416
Z_ElementSetNames * simple
Definition: z-core.h:643
NMEM mem
Definition: odr.h:130
static int process_z_response(association *assoc, request *req, Z_APDU *res)
Definition: seshigh.c:2166
char * schema
Definition: backend.h:241
Z_OtherInformation * additionalSearchInfo
Definition: z-core.h:464
int cql_transform(cql_transform_t ct, struct cql_node *cn, void(*pr)(const char *buf, void *client_data), void *client_data)
tranforms PQF given a CQL tree (NOT re-entrant)
Definition: cqltransform.c:987
char * whereInList
Definition: srw.h:142
char * record_schema
Definition: backend.h:171
const char * yaz_srw_pack_to_str(int pack)
Definition: srwutil.c:1212
char * odr_errmsg(int n)
Definition: odr.c:52
Z_ReferenceId * referenceId
Definition: z-core.h:452
#define CSBUFSIZE
Definition: comstack.h:162
Z_SearchResponse * searchResponse
Definition: z-core.h:327
Z_RecordComposition * comp
Definition: backend.h:103
int which
Definition: srw.h:201
Odr_int * odr_intdup(ODR o, Odr_int v)
Definition: odr_mem.c:51
char * resultCountPrecision
Definition: srw.h:99
void odr_destroy(ODR o)
Definition: odr.c:253
int(* bend_srw_scan)(void *handle, bend_scan_rr *rr)
SRU scan handler.
Definition: backend.h:311
void yaz_log_zquery_level(int loglevel, Z_Query *q)
Definition: logrpn.c:367
ODR stream
Definition: backend.h:200
char * peer_name
peer address of client
Definition: backend.h:264
char * output_setname
Definition: backend.h:198
Z_SortKeySpecList * sort_sequence
Definition: backend.h:199
Z_SRW_diagnostic * diagnostics
Definition: srw.h:124
char * setname
Definition: backend.h:83
union Z_APDU::@46 u
Z_SRW_record * record
Definition: srw.h:164
int(* bend_sort)(void *handle, bend_sort_rr *rr)
Z39.50 sort handler.
Definition: backend.h:293
char * content_buf
Definition: zgdu.h:61
Definition: odr.h:124
Odr_int * resultCount
Definition: z-core.h:1057
int extraRecordData_len
Definition: srw.h:46
int num_databaseNames
Definition: z-core.h:946
Odr_int * positionOfTerm
Definition: z-core.h:968
ODR print
printing stream
Definition: backend.h:258
#define Z_ExtendedServicesResponse_done
Definition: z-core.h:1143
NMEM request_mem
Definition: session.h:77
#define Z_Query_type_2
Definition: z-core.h:480
static int log_sessiondetail
Definition: seshigh.c:103
char * record_packing
Definition: backend.h:170
int(* bend_srw_update)(void *handle, bend_update_rr *rr)
SRU record update handler.
Definition: backend.h:313
yaz_mime_types yaz_mime_types_create()
Definition: mime.c:30
Z_InternationalString * diagnosticInformation
Definition: z-core.h:1172
#define Z_APDU_extendedServicesResponse
Definition: z-core.h:370
Z_InternationalString * sortedResultSetName
Definition: z-core.h:1039
#define Z_Records_DBOSD
Definition: z-core.h:698
union Z_IdAuthentication::@47 u
Z_DbSpecific ** dbSpecific
Definition: z-core.h:794
char * implementation_version
Definition: backend.h:290
void yaz_query_to_wrbuf(WRBUF b, const Z_Query *q)
Definition: querytowrbuf.c:213
int num_setnames
Definition: backend.h:184
char ** basenames
Definition: backend.h:161
Z_External * charneg_response
character negotiation response
Definition: backend.h:273
void log_scan_term_level(int loglevel, Z_AttributesPlusTerm *zapt, const Odr_oid *ast)
Definition: logrpn.c:346
#define CS_WANT_READ
Definition: comstack.h:114
Odr_int * recordPosition
Definition: srw.h:60
#define Z_PresentStatus_partial_2
Definition: z-core.h:780
char * setname
Definition: backend.h:99
int content_len
Definition: zgdu.h:62
char * yaz_oi_get_string_oid(Z_OtherInformation **otherInformation, const Odr_oid *oid, int categoryValue, int delete_flag)
Definition: otherinfo.c:172
Odr_int * deleteFunction
Definition: z-core.h:824
const char * diagbib1_str(int code)
Definition: diagbib1.c:192
static int odr_int_to_int(Odr_int v)
Definition: seshigh.c:132
#define Z_Operand_APT
Definition: z-core.h:515
int size_response
Definition: session.h:79
#define Z_Close_systemProblem
Definition: z-core.h:1180
char * record_id
Definition: backend.h:167
Z_RecordComposition * comp
Definition: backend.h:88
static char * read_file(const char *fname, ODR o, size_t *sz)
Definition: seshigh.c:1750
Z_HTTP_Response * HTTP_Response
Definition: zgdu.h:73
Z_External * yaz_set_response_charneg(ODR o, const char *charset, const char *lang, int selected)
Definition: charneg.c:241
#define Z_SRW_explain_request
Definition: srw.h:193
static void get_logbits(void)
Definition: seshigh.c:108
Z_SRW_record * records
Definition: srw.h:103
association_state state
Definition: session.h:122
bend_scan_status status
Definition: backend.h:149
Z_InitResponse * initResponse
Definition: z-core.h:325
char * odr_prepend(ODR o, const char *prefix, const char *old)
Definition: odr_util.c:103
#define EVENT_TIMEOUT
Definition: eventl.h:52
Z_DiagRec ** diagnostics
Definition: z-core.h:1056
Odr_int * smallSetUpperBound
Definition: z-core.h:453
#define iochan_setflag(i, d)
Definition: eventl.h:71
char ** input_setnames
Definition: backend.h:197
Z_ScanRequest * scanRequest
Definition: z-core.h:339
const char * z_HTTP_header_lookup(const Z_HTTP_Header *hp, const char *n)
Definition: http.c:233
union Z_RPNStructure::@49 u
#define xmalloc(x)
utility macro which calls malloc_f
Definition: xmalloc.h:49
#define Z_Close_protocolError
Definition: z-core.h:1184
Z_FacetList * facetList
Definition: srw.h:111
Odr_oid * odr_oiddup(ODR odr, const Odr_oid *o)
Definition: odr_util.c:60
int iochan_is_alive(IOCHAN chan)
Definition: eventl.c:66
Odr_int present_number
Definition: backend.h:78
control block for server
Definition: backend.h:330
void request_initq(request_q *q)
Definition: requestq.c:49
void yaz_add_sru_update_diagnostic(ODR o, Z_SRW_diagnostic **d, int *num, int code, const char *addinfo)
Definition: srwutil.c:195
Z_AttributeSetId * attributeSet
Definition: z-core.h:948
Z_TermInfo * termInfo
Definition: z-core.h:984
char * stylesheet
Definition: session.h:53
void yaz_set_esn(Z_RecordComposition **comp_p, const char *esn, NMEM nmem)
set element set name in RecordComposition struct
Definition: elementset.c:32
#define iochan_getdata(i)
Definition: eventl.h:67
Z_NamePlusRecord * zget_surrogateDiagRec(ODR o, const char *dbname, int error, const char *addinfo)
Creates Surrogate Diagnostic Records.
Definition: zget.c:529
Odr_int * numberOfRecordsReturned
Definition: z-core.h:675
#define Z_APDU_sortRequest
Definition: z-core.h:366
#define Z_APDU_close
Definition: z-core.h:371
Z_CharSetandLanguageNegotiation * charNeg3
Definition: prt-ext.h:132
int yaz_xml_to_opac(yaz_marc_t mt, const char *buf_in, size_t size_in, Z_OPACRecord **dst, yaz_iconv_t cd, NMEM nmem, const Odr_oid *syntax)
Converts XML to OPAC.
Definition: xml_to_opac.c:299
Header for memory handling functions.
Z_InternationalString * implementationId
Definition: z-core.h:418
Z_CharSetandLanguageNegotiation * charneg_request
character set and language negotiation
Definition: backend.h:270
Z_ReferenceId * referenceId
Definition: z-core.h:945
char * operationStatus
Definition: srw.h:179
static void srw_bend_explain(association *assoc, Z_HTTP_Header *headers, Z_SRW_PDU *sr, Z_SRW_explainResponse *srw_res, int *http_code)
Definition: seshigh.c:1273
int z_soap_error(ODR o, Z_SOAP *p, const char *fault_code, const char *fault_string, const char *details)
Definition: soap.c:347
void request_delq(request_q *q)
Definition: requestq.c:55
The internal structure for yaz_record_conv_t.
Definition: record_conv.c:44
static Z_APDU * process_deleteRequest(association *assoc, request *reqb)
Definition: seshigh.c:3305
int cs_put_mask
Definition: session.h:130
Z_RecordComposition * recordComposition
Definition: z-core.h:657
Z_InternationalString * implementationVersion
Definition: z-core.h:420
char ** basenames
Definition: backend.h:135
Z_SRW_PDU * yaz_srw_get_pdu_e(ODR o, int which, Z_SRW_PDU *req)
Definition: srwutil.c:763
Z_ProtocolVersion * protocolVersion
Definition: z-core.h:379
#define Z_IdAuthentication_open
Definition: z-core.h:404
char * implementation_name
Definition: backend.h:289
#define Z_Scan_failure
Definition: z-core.h:965
Z_Segment * segmentRequest
Definition: z-core.h:343
Odr_int * preferredMessageSize
Definition: z-core.h:381
FILE * yaz_log_file(void)
returns FILE handle for log or NULL if no file is in use
Definition: log.c:136
Z_SRW_extra_arg * extra_args
Definition: backend.h:154
union Z_OtherInformationUnit::@74 information
#define YLOG_WARN
log level: warning
Definition: log.h:46
Odr_int * nextResultSetPosition
Definition: z-core.h:627
structure for all known EXTERNALs
Definition: prt-ext.h:58
Z_ReferenceId * referenceId
Definition: z-core.h:1120
char * recordId
Definition: srw.h:161
int num_bases
Definition: backend.h:134
#define odr_getmem(o)
Definition: odr.h:216
Definition: eventl.h:45
#define Z_SRW_update_request
Definition: srw.h:197
#define Z_IdAuthentication_idPass
Definition: z-core.h:405
#define Z_OtherInfo_externallyDefinedInfo
Definition: z-core.h:1289
Z_SortRequest * sortRequest
Definition: z-core.h:341
#define YAZ_SRU_UPDATE_INVALID_ACTION
int * step_size
Definition: backend.h:142
void yaz_log(int level, const char *fmt,...)
Writes log message.
Definition: log.c:485
char ** basenames
Definition: backend.h:58
#define Z_APDU_sortResponse
Definition: z-core.h:367
Z_SRW_recordVersion * recordVersions
Definition: srw.h:181
#define wrbuf_len(b)
Definition: wrbuf.h:250
char * docpath
Definition: session.h:52
cql_transform_t cql_transform
Definition: session.h:48
#define Z_SRW_searchRetrieve_request
Definition: srw.h:191
char * method
Definition: zgdu.h:49
int which
Definition: z-core.h:693
Odr_oid * preferredRecordSyntax
Definition: z-core.h:462
#define Z_ExtendedServicesResponse_accepted
Definition: z-core.h:1144
Z_OtherInformation * otherInfo
Definition: z-core.h:679
int yaz_record_conv_opac_record(yaz_record_conv_t p, Z_OPACRecord *input_record, WRBUF output_record)
Definition: record_conv.c:1229
Z_AttributeSetId * attributeSet
Definition: z-core.h:970
#define YAZ_BIB1_RECORD_EXCEEDS_PREFERRED_MESSAGE_SIZE
Definition: diagbib1.h:26
bend_initresult *(* bend_init)(bend_initrequest *r)
Definition: backend.h:350