2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.19 2003-02-14 19:10:00 adam Exp $
7 * ZOOM layer for C, connections, result sets, queries.
13 #include <yaz/xmalloc.h>
14 #include <yaz/otherinfo.h>
16 #include <yaz/pquery.h>
17 #include <yaz/marcdisp.h>
18 #include <yaz/diagbib1.h>
19 #include <yaz/charneg.h>
32 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c);
33 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out);
35 static ZOOM_Event ZOOM_Event_create (int kind)
37 ZOOM_Event event = (ZOOM_Event) xmalloc (sizeof(*event));
44 static void ZOOM_Event_destroy (ZOOM_Event event)
49 static void ZOOM_connection_put_event (ZOOM_connection c, ZOOM_Event event)
53 c->m_queue_back->prev = event;
54 assert (c->m_queue_front);
58 assert (!c->m_queue_front);
59 c->m_queue_front = event;
61 event->next = c->m_queue_back;
63 c->m_queue_back = event;
66 static ZOOM_Event ZOOM_connection_get_event(ZOOM_connection c)
68 ZOOM_Event event = c->m_queue_front;
71 assert (c->m_queue_back);
72 c->m_queue_front = event->prev;
75 assert (c->m_queue_back);
76 c->m_queue_front->next = 0;
80 c->last_event = event->kind;
84 static void set_bib1_error (ZOOM_connection c, int error)
92 static void set_ZOOM_error (ZOOM_connection c, int error,
100 c->addinfo = xstrdup(addinfo);
103 static void clear_error (ZOOM_connection c)
108 case ZOOM_ERROR_CONNECT:
109 case ZOOM_ERROR_MEMORY:
110 case ZOOM_ERROR_DECODE:
111 case ZOOM_ERROR_CONNECTION_LOST:
112 case ZOOM_ERROR_INIT:
113 case ZOOM_ERROR_INTERNAL:
114 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
117 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
121 ZOOM_task ZOOM_connection_add_task (ZOOM_connection c, int which)
123 ZOOM_task *taskp = &c->tasks;
125 taskp = &(*taskp)->next;
126 *taskp = (ZOOM_task) xmalloc (sizeof(**taskp));
127 (*taskp)->running = 0;
128 (*taskp)->which = which;
134 ZOOM_task ZOOM_connection_insert_task (ZOOM_connection c, int which)
136 ZOOM_task task = (ZOOM_task) xmalloc (sizeof(*task));
138 task->next = c->tasks;
147 void ZOOM_connection_remove_task (ZOOM_connection c)
149 ZOOM_task task = c->tasks;
153 c->tasks = task->next;
156 case ZOOM_TASK_SEARCH:
157 ZOOM_resultset_destroy (task->u.search.resultset);
159 case ZOOM_TASK_RETRIEVE:
160 ZOOM_resultset_destroy (task->u.retrieve.resultset);
162 case ZOOM_TASK_CONNECT:
165 ZOOM_scanset_destroy (task->u.scan.scan);
167 case ZOOM_TASK_PACKAGE:
168 ZOOM_package_destroy (task->u.package);
177 static int ZOOM_connection_exec_task (ZOOM_connection c);
179 void ZOOM_connection_remove_tasks (ZOOM_connection c)
182 ZOOM_connection_remove_task(c);
185 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos);
187 ZOOM_API(ZOOM_connection)
188 ZOOM_connection_create (ZOOM_options options)
190 ZOOM_connection c = (ZOOM_connection) xmalloc (sizeof(*c));
192 c->proto = PROTO_Z3950;
196 c->state = STATE_IDLE;
198 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
205 c->options = ZOOM_options_create_with_parent(options);
211 c->charset = c->lang = 0;
218 c->odr_in = odr_createmem (ODR_DECODE);
219 c->odr_out = odr_createmem (ODR_ENCODE);
222 c->support_named_resultsets = 0;
223 c->last_event = ZOOM_EVENT_NONE;
225 c->m_queue_front = 0;
230 /* set database names. Take local databases (if set); otherwise
231 take databases given in ZURL (if set); otherwise use Default */
232 static char **set_DatabaseNames (ZOOM_connection con, ZOOM_options options,
235 char **databaseNames;
238 const char *cp = ZOOM_options_get (options, "databaseName");
242 if (strncmp (con->host_port, "unix:", 5) == 0)
243 cp = strchr (con->host_port+5, ':');
245 cp = strchr (con->host_port, '/');
252 while ((c = strchr(c, '+')))
260 databaseNames = (char**)
261 odr_malloc (con->odr_out, no * sizeof(*databaseNames));
265 c = strchr (cp, '+');
273 /* cp ptr to first char of db name, c is char
275 databaseNames[no] = (char*) odr_malloc (con->odr_out, 1+c-cp);
276 memcpy (databaseNames[no], cp, c-cp);
277 databaseNames[no++][c-cp] = '\0';
282 databaseNames[no] = NULL;
284 return databaseNames;
287 ZOOM_API(ZOOM_connection)
288 ZOOM_connection_new (const char *host, int portnum)
290 ZOOM_connection c = ZOOM_connection_create (0);
292 ZOOM_connection_connect (c, host, portnum);
297 ZOOM_connection_connect(ZOOM_connection c,
298 const char *host, int portnum)
305 yaz_log (LOG_DEBUG, "reconnect");
309 yaz_log(LOG_DEBUG, "connect");
311 val = ZOOM_options_get (c->options, "proxy");
313 c->proxy = xstrdup (val);
318 val = ZOOM_options_get (c->options, "charset");
320 c->charset = xstrdup (val);
325 val = ZOOM_options_get (c->options, "lang");
327 c->lang = xstrdup (val);
331 xfree (c->host_port);
336 sprintf (hostn, "%.80s:%d", host, portnum);
337 c->host_port = xstrdup(hostn);
340 c->host_port = xstrdup(host);
342 ZOOM_options_set(c->options, "host", c->host_port);
344 val = ZOOM_options_get (c->options, "cookie");
346 c->cookie_out = xstrdup (val);
348 val = ZOOM_options_get (c->options, "clientIP");
350 c->client_IP = xstrdup (val);
352 c->async = ZOOM_options_get_bool (c->options, "async", 0);
354 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
356 task = ZOOM_connection_add_task (c, ZOOM_TASK_CONNECT);
360 while (ZOOM_event (1, &c))
366 ZOOM_query_create(void)
368 ZOOM_query s = (ZOOM_query) xmalloc (sizeof(*s));
373 s->odr = odr_createmem (ODR_ENCODE);
379 ZOOM_query_destroy(ZOOM_query s)
385 yaz_log (LOG_DEBUG, "ZOOM_query_destroy count=%d", s->refcount);
386 if (s->refcount == 0)
388 odr_destroy (s->odr);
394 ZOOM_query_prefix(ZOOM_query s, const char *str)
396 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
397 s->z_query->which = Z_Query_type_1;
398 s->z_query->u.type_1 = p_query_rpn(s->odr, PROTO_Z3950, str);
399 if (!s->z_query->u.type_1)
405 ZOOM_query_cql(ZOOM_query s, const char *str)
409 ext = (Z_External *) odr_malloc(s->odr, sizeof(*ext));
410 ext->direct_reference = odr_getoidbystr(s->odr, "1.2.840.10003.16.2");
411 ext->indirect_reference = 0;
413 ext->which = Z_External_CQL;
414 ext->u.cql = odr_strdup(s->odr, str);
416 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
417 s->z_query->which = Z_Query_type_104;
418 s->z_query->u.type_104 = ext;
423 ZOOM_query_sortby(ZOOM_query s, const char *criteria)
425 s->sort_spec = yaz_sort_spec (s->odr, criteria);
431 static zoom_ret do_write(ZOOM_connection c);
434 ZOOM_connection_destroy(ZOOM_connection c)
441 for (r = c->resultsets; r; r = r->next)
446 odr_destroy (c->odr_in);
447 odr_destroy (c->odr_out);
448 ZOOM_options_destroy (c->options);
449 ZOOM_connection_remove_tasks (c);
450 xfree (c->host_port);
454 xfree (c->cookie_out);
455 xfree (c->cookie_in);
456 xfree (c->client_IP);
460 void ZOOM_resultset_addref (ZOOM_resultset r)
465 yaz_log (LOG_DEBUG, "ZOOM_resultset_addref r=%p count=%d",
469 ZOOM_resultset ZOOM_resultset_create ()
471 ZOOM_resultset r = (ZOOM_resultset) xmalloc (sizeof(*r));
473 yaz_log (LOG_DEBUG, "ZOOM_resultset_create r = %p", r);
476 r->odr = odr_createmem (ODR_ENCODE);
490 ZOOM_API(ZOOM_resultset)
491 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
494 ZOOM_query s = ZOOM_query_create();
496 ZOOM_query_prefix (s, q);
498 r = ZOOM_connection_search (c, s);
499 ZOOM_query_destroy (s);
503 ZOOM_API(ZOOM_resultset)
504 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
506 ZOOM_resultset r = ZOOM_resultset_create ();
510 r->r_sort_spec = q->sort_spec;
511 r->z_query = q->z_query;
514 r->options = ZOOM_options_create_with_parent(c->options);
516 r->start = ZOOM_options_get_int(r->options, "start", 0);
517 r->count = ZOOM_options_get_int(r->options, "count", 0);
518 r->piggyback = ZOOM_options_get_bool (r->options, "piggyback", 1);
519 cp = ZOOM_options_get (r->options, "setname");
521 r->setname = xstrdup (cp);
525 r->next = c->resultsets;
528 task = ZOOM_connection_add_task (c, ZOOM_TASK_SEARCH);
529 task->u.search.resultset = r;
530 ZOOM_resultset_addref (r);
536 while (ZOOM_event (1, &c))
543 ZOOM_resultset_destroy(ZOOM_resultset r)
548 yaz_log (LOG_DEBUG, "ZOOM_resultset_destroy r = %p count=%d",
550 if (r->refcount == 0)
552 ZOOM_record_cache rc;
554 for (rc = r->record_cache; rc; rc = rc->next)
555 if (rc->rec.wrbuf_marc)
556 wrbuf_free (rc->rec.wrbuf_marc, 1);
559 /* remove ourselves from the resultsets in connection */
560 ZOOM_resultset *rp = &r->connection->resultsets;
563 assert (*rp); /* we must be in this list!! */
565 { /* OK, we're here - take us out of it */
572 ZOOM_query_destroy (r->search);
573 ZOOM_options_destroy (r->options);
574 odr_destroy (r->odr);
581 ZOOM_resultset_size (ZOOM_resultset r)
586 static void do_close (ZOOM_connection c)
592 c->state = STATE_IDLE;
595 static void ZOOM_resultset_retrieve (ZOOM_resultset r,
596 int force_sync, int start, int count)
606 task = ZOOM_connection_add_task (c, ZOOM_TASK_RETRIEVE);
607 task->u.retrieve.resultset = r;
608 task->u.retrieve.start = start;
609 task->u.retrieve.count = count;
611 ZOOM_resultset_addref (r);
613 if (!r->connection->async || force_sync)
614 while (r->connection && ZOOM_event (1, &r->connection))
619 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
620 size_t start, size_t count)
622 int force_present = 0;
628 ZOOM_resultset_retrieve (r, force_present, start, count);
632 for (i = 0; i< count; i++)
633 recs[i] = ZOOM_resultset_record_immediate (r, i+start);
637 static zoom_ret do_connect (ZOOM_connection c)
640 const char *effective_host;
643 effective_host = c->proxy;
645 effective_host = c->host_port;
647 yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
651 if (memcmp(c->host_port, "http:", 5) == 0)
655 c->proto = PROTO_SRW;
656 effective_host = c->host_port + 5;
657 if (*effective_host == '/')
659 if (*effective_host == '/')
661 if (!(path = strchr(effective_host, '/')))
664 c->path = xstrdup(path);
666 c->state = STATE_IDLE;
667 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
668 return zoom_complete;
671 c->cs = cs_create_host (effective_host, 0, &add);
675 int ret = cs_connect (c->cs, add);
678 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
679 ZOOM_connection_put_event(c, event);
680 if (c->proto == PROTO_Z3950)
681 ZOOM_connection_send_init(c);
684 /* no init request for SRW .. */
685 assert (c->tasks->which == ZOOM_TASK_CONNECT);
686 ZOOM_connection_remove_task (c);
688 ZOOM_connection_exec_task (c);
690 c->state = STATE_ESTABLISHED;
695 c->state = STATE_CONNECTING;
696 c->mask = ZOOM_SELECT_EXCEPT;
697 if (c->cs->io_pending & CS_WANT_WRITE)
698 c->mask += ZOOM_SELECT_WRITE;
699 if (c->cs->io_pending & CS_WANT_READ)
700 c->mask += ZOOM_SELECT_READ;
704 c->state = STATE_IDLE;
705 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
706 return zoom_complete;
709 int z3950_connection_socket(ZOOM_connection c)
712 return cs_fileno(c->cs);
716 int z3950_connection_mask(ZOOM_connection c)
723 static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
726 for (i = 0; i<200; i++)
729 Z_OtherInformation **oi;
735 sprintf (buf, "otherInfo%d", i);
736 val = ZOOM_options_get (c->options, buf);
739 cp = strchr (val, ':');
743 if (len >= sizeof(buf))
745 memcpy (buf, val, len);
747 oidval = oid_getvalbyname (buf);
748 if (oidval == VAL_NONE)
752 yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
756 static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
761 Z_OtherInformation **oi;
763 yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
767 Z_OtherInformation **oi;
769 yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
771 otherInfo_attach (c, a, out);
772 if (!z_APDU(out, &a, 0, 0))
774 FILE *outf = fopen("/tmp/apdu.txt", "a");
777 ODR odr_pr = odr_createmem(ODR_PRINT);
778 fprintf (outf, "a=%p\n", a);
779 odr_setprint(odr_pr, outf);
780 z_APDU(odr_pr, &a, 0, 0);
783 yaz_log (LOG_DEBUG, "encoding failed");
784 set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
792 static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
796 if (encode_APDU(c, a, c->odr_out))
797 return zoom_complete;
798 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
799 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
800 ZOOM_connection_put_event (c, event);
801 odr_reset(c->odr_out);
805 /* returns 1 if PDU was sent OK (still pending )
806 0 if PDU was not sent OK (nothing to wait for)
809 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
812 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
813 Z_InitRequest *ireq = apdu->u.initRequest;
814 Z_IdAuthentication *auth = (Z_IdAuthentication *)
815 odr_malloc(c->odr_out, sizeof(*auth));
816 const char *auth_groupId = ZOOM_options_get (c->options, "group");
817 const char *auth_userId = ZOOM_options_get (c->options, "user");
818 const char *auth_password = ZOOM_options_get (c->options, "pass");
820 ODR_MASK_SET(ireq->options, Z_Options_search);
821 ODR_MASK_SET(ireq->options, Z_Options_present);
822 ODR_MASK_SET(ireq->options, Z_Options_scan);
823 ODR_MASK_SET(ireq->options, Z_Options_sort);
824 ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
825 ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
827 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
828 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
829 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
831 impname = ZOOM_options_get (c->options, "implementationName");
832 ireq->implementationName =
833 (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
834 strcpy (ireq->implementationName, "");
837 strcat (ireq->implementationName, impname);
838 strcat (ireq->implementationName, "/");
840 strcat (ireq->implementationName, "ZOOM-C/YAZ");
842 *ireq->maximumRecordSize =
843 ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
844 *ireq->preferredMessageSize =
845 ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
847 if (auth_groupId || auth_password)
849 Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
852 if (auth_groupId && *auth_groupId)
854 pass->groupId = (char *)
855 odr_malloc(c->odr_out, strlen(auth_groupId)+1);
856 strcpy(pass->groupId, auth_groupId);
860 if (auth_userId && *auth_userId)
862 pass->userId = (char *)
863 odr_malloc(c->odr_out, strlen(auth_userId)+1);
864 strcpy(pass->userId, auth_userId);
868 if (auth_password && *auth_password)
870 pass->password = (char *)
871 odr_malloc(c->odr_out, strlen(auth_password)+1);
872 strcpy(pass->password, auth_password);
877 auth->which = Z_IdAuthentication_idPass;
878 auth->u.idPass = pass;
879 ireq->idAuthentication = auth;
882 else if (auth_userId)
884 auth->which = Z_IdAuthentication_open;
885 auth->u.open = (char *)
886 odr_malloc(c->odr_out, strlen(auth_userId)+1);
887 strcpy(auth->u.open, auth_userId);
888 ireq->idAuthentication = auth;
891 yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
892 VAL_PROXY, 1, c->host_port);
893 if (c->charset||c->lang)
895 Z_OtherInformation **oi;
896 Z_OtherInformationUnit *oi_unit;
898 yaz_oi_APDU(apdu, &oi);
900 if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
902 ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
904 oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
905 oi_unit->information.externallyDefinedInfo =
906 yaz_set_proposal_charneg
908 (const char **)&c->charset, (c->charset) ? 1:0,
909 (const char **)&c->lang, (c->lang) ? 1:0, 1);
913 return send_APDU (c, apdu);
917 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_searchRetrieve *sr)
919 Z_SOAP_Handler h[2] = {
920 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
923 ODR o = odr_createmem(ODR_ENCODE);
925 Z_SOAP *p = odr_malloc(o, sizeof(*p));
929 gdu = z_get_HTTP_Request(c->odr_out);
930 gdu->u.HTTP_Request->path = c->path;
931 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
932 "Content-Type", "text/xml");
933 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
934 "SOAPAction", "\"\"");
935 p->which = Z_SOAP_generic;
936 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
937 p->u.generic->no = 0;
938 p->u.generic->ns = 0;
939 p->u.generic->p = sr;
940 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
942 ret = z_soap_codec(o, &p,
943 &gdu->u.HTTP_Request->content_buf,
944 &gdu->u.HTTP_Request->content_len, h);
946 if (!z_GDU(c->odr_out, &gdu, 0, 0))
947 return zoom_complete;
948 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
952 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
953 ZOOM_connection_put_event (c, event);
954 odr_reset(c->odr_out);
960 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
962 ZOOM_resultset resultset;
963 Z_SRW_searchRetrieve *sr = yaz_srw_get(c->odr_out,
964 Z_SRW_searchRetrieve_request);
967 assert (c->tasks->which == ZOOM_TASK_SEARCH);
969 resultset = c->tasks->u.search.resultset;
971 assert (resultset->z_query);
973 if (resultset->z_query->which == Z_Query_type_104
974 && resultset->z_query->u.type_104->which == Z_External_CQL)
975 sr->u.request->query = resultset->z_query->u.type_104->u.cql;
977 sr->u.request->query = "dc.title = computer";
979 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
980 sr->u.request->maximumRecords = odr_intdup (c->odr_out, resultset->count);
982 return send_srw(c, sr);
985 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
987 return zoom_complete;
991 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
994 int lslb, ssub, mspn;
996 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
997 Z_SearchRequest *search_req = apdu->u.searchRequest;
998 const char *elementSetName;
999 const char *smallSetElementSetName;
1000 const char *mediumSetElementSetName;
1004 assert (c->tasks->which == ZOOM_TASK_SEARCH);
1006 r = c->tasks->u.search.resultset;
1009 ZOOM_options_get (r->options, "elementSetName");
1010 smallSetElementSetName =
1011 ZOOM_options_get (r->options, "smallSetElementSetName");
1012 mediumSetElementSetName =
1013 ZOOM_options_get (r->options, "mediumSetElementSetName");
1015 ZOOM_options_get (r->options, "schema");
1017 if (!smallSetElementSetName)
1018 smallSetElementSetName = elementSetName;
1020 if (!mediumSetElementSetName)
1021 mediumSetElementSetName = elementSetName;
1024 assert (r->z_query);
1026 /* prepare query for the search request */
1027 search_req->query = r->z_query;
1029 search_req->databaseNames =
1030 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1032 /* get syntax (no need to provide unless piggyback is in effect) */
1033 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1035 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1036 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1037 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1038 if (lslb != -1 && ssub != -1 && mspn != -1)
1040 /* So're a Z39.50 expert? Let's hope you don't do sort */
1041 *search_req->largeSetLowerBound = lslb;
1042 *search_req->smallSetUpperBound = ssub;
1043 *search_req->mediumSetPresentNumber = mspn;
1045 else if (r->start == 0 && r->count > 0
1046 && r->piggyback && !r->r_sort_spec && !schema)
1048 /* Regular piggyback - do it unless we're going to do sort */
1049 *search_req->largeSetLowerBound = 2000000000;
1050 *search_req->smallSetUpperBound = 0;
1051 *search_req->mediumSetPresentNumber = r->count;
1052 smallSetElementSetName = 0;
1056 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1057 smallSetElementSetName = 0;
1058 mediumSetElementSetName = 0;
1061 if (smallSetElementSetName && *smallSetElementSetName)
1063 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1064 odr_malloc (c->odr_out, sizeof(*esn));
1066 esn->which = Z_ElementSetNames_generic;
1067 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1068 search_req->smallSetElementSetNames = esn;
1070 if (mediumSetElementSetName && *mediumSetElementSetName)
1072 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1073 odr_malloc (c->odr_out, sizeof(*esn));
1075 esn->which = Z_ElementSetNames_generic;
1076 esn->u.generic = odr_strdup (c->odr_out, mediumSetElementSetName);
1077 search_req->mediumSetElementSetNames = esn;
1080 search_req->preferredRecordSyntax =
1081 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1085 if (c->support_named_resultsets)
1089 /* find the lowest unused ordinal so that we re-use
1090 result sets on the server. */
1091 for (ord = 1; ; ord++)
1094 sprintf (setname, "%d", ord);
1095 for (rp = c->resultsets; rp; rp = rp->next)
1096 if (rp->setname && !strcmp (rp->setname, setname))
1101 r->setname = xstrdup (setname);
1102 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1105 r->setname = xstrdup ("default");
1106 ZOOM_options_set (r->options, "setname", r->setname);
1108 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1109 /* send search request */
1110 return send_APDU (c, apdu);
1113 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1116 Z_DefaultDiagFormat *r;
1121 if (p->which != Z_DiagRec_defaultFormat)
1123 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1126 r = p->u.defaultFormat;
1127 c->diagset = yaz_z3950oid_to_str(r->diagnosticSetId, &oclass);
1131 case Z_DefaultDiagFormat_v2Addinfo:
1132 addinfo = r->u.v2Addinfo;
1134 case Z_DefaultDiagFormat_v3Addinfo:
1135 addinfo = r->u.v3Addinfo;
1139 c->addinfo = xstrdup (addinfo);
1140 c->error = *r->condition;
1143 ZOOM_API(ZOOM_record)
1144 ZOOM_record_clone (ZOOM_record srec)
1151 odr_enc = odr_createmem(ODR_ENCODE);
1152 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1154 buf = odr_getbuf (odr_enc, &size, 0);
1156 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1157 nrec->odr = odr_createmem(ODR_DECODE);
1158 nrec->wrbuf_marc = 0;
1159 odr_setbuf (nrec->odr, buf, size, 0);
1160 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1162 odr_destroy (odr_enc);
1166 ZOOM_API(ZOOM_record)
1167 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1169 return record_cache_lookup (s, pos);
1172 ZOOM_API(ZOOM_record)
1173 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1175 ZOOM_resultset_retrieve (r, 1, pos, 1);
1176 return ZOOM_resultset_record_immediate (r, pos);
1180 ZOOM_record_destroy (ZOOM_record rec)
1184 if (rec->wrbuf_marc)
1185 wrbuf_free (rec->wrbuf_marc, 1);
1186 odr_destroy (rec->odr);
1190 ZOOM_API(const char *)
1191 ZOOM_record_get (ZOOM_record rec, const char *type, int *len)
1193 Z_NamePlusRecord *npr;
1196 *len = 0; /* default return */
1203 if (!strcmp (type, "database"))
1206 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1207 return npr->databaseName;
1209 else if (!strcmp (type, "syntax"))
1211 const char *desc = 0;
1212 if (npr->which == Z_NamePlusRecord_databaseRecord)
1214 Z_External *r = (Z_External *) npr->u.databaseRecord;
1215 oident *ent = oid_getentbyoid(r->direct_reference);
1222 *len = strlen(desc);
1225 else if (!strcmp (type, "render") &&
1226 npr->which == Z_NamePlusRecord_databaseRecord)
1228 Z_External *r = (Z_External *) npr->u.databaseRecord;
1229 oident *ent = oid_getentbyoid(r->direct_reference);
1231 if (r->which == Z_External_sutrs)
1233 if (len) *len = r->u.sutrs->len;
1234 return (const char *) r->u.sutrs->buf;
1236 else if (r->which == Z_External_octet)
1246 case VAL_APPLICATION_XML:
1249 if (!rec->wrbuf_marc)
1250 rec->wrbuf_marc = wrbuf_alloc();
1252 mt = yaz_marc_create();
1253 wrbuf_rewind (rec->wrbuf_marc);
1254 if (yaz_marc_decode_wrbuf (
1255 mt, (const char *) r->u.octet_aligned->buf,
1256 r->u.octet_aligned->len,
1257 rec->wrbuf_marc) > 0)
1260 *len = wrbuf_len(rec->wrbuf_marc);
1261 yaz_marc_destroy(mt);
1262 return wrbuf_buf(rec->wrbuf_marc);
1264 yaz_marc_destroy(mt);
1267 *len = r->u.octet_aligned->len;
1268 return (const char *) r->u.octet_aligned->buf;
1270 else if (r->which == Z_External_grs1)
1272 if (!rec->wrbuf_marc)
1273 rec->wrbuf_marc = wrbuf_alloc();
1274 wrbuf_rewind (rec->wrbuf_marc);
1275 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1277 *len = wrbuf_len(rec->wrbuf_marc);
1278 return wrbuf_buf(rec->wrbuf_marc);
1282 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1283 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1285 Z_External *r = (Z_External *) npr->u.databaseRecord;
1286 oident *ent = oid_getentbyoid(r->direct_reference);
1288 if (r->which == Z_External_sutrs)
1290 if (len) *len = r->u.sutrs->len;
1291 return (const char *) r->u.sutrs->buf;
1293 else if (r->which == Z_External_octet)
1296 int marc_decode_type = YAZ_MARC_MARCXML;
1298 if (!strcmp(type, "oai"))
1299 marc_decode_type = YAZ_MARC_OAIMARC;
1307 case VAL_APPLICATION_XML:
1310 if (!rec->wrbuf_marc)
1311 rec->wrbuf_marc = wrbuf_alloc();
1312 wrbuf_rewind (rec->wrbuf_marc);
1313 mt = yaz_marc_create();
1315 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1316 if (yaz_marc_decode_wrbuf (
1317 mt, (const char *) r->u.octet_aligned->buf,
1318 r->u.octet_aligned->len,
1319 rec->wrbuf_marc) > 0)
1322 *len = wrbuf_len(rec->wrbuf_marc);
1323 yaz_marc_destroy(mt);
1324 return wrbuf_buf(rec->wrbuf_marc);
1326 yaz_marc_destroy(mt);
1328 if (len) *len = r->u.octet_aligned->len;
1329 return (const char *) r->u.octet_aligned->buf;
1331 else if (r->which == Z_External_grs1)
1338 else if (!strcmp (type, "raw"))
1340 if (npr->which == Z_NamePlusRecord_databaseRecord)
1342 Z_External *r = (Z_External *) npr->u.databaseRecord;
1344 if (r->which == Z_External_sutrs)
1346 if (len) *len = r->u.sutrs->len;
1347 return (const char *) r->u.sutrs->buf;
1349 else if (r->which == Z_External_octet)
1351 if (len) *len = r->u.octet_aligned->len;
1352 return (const char *) r->u.octet_aligned->buf;
1354 else /* grs-1, explain, ... */
1357 return (const char *) npr->u.databaseRecord;
1362 else if (!strcmp (type, "ext"))
1364 if (npr->which == Z_NamePlusRecord_databaseRecord)
1365 return (const char *) npr->u.databaseRecord;
1371 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr, int pos)
1373 ZOOM_record_cache rc;
1374 const char *elementSetName =
1375 ZOOM_resultset_option_get (r, "elementSetName");
1376 const char *syntax =
1377 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1379 for (rc = r->record_cache; rc; rc = rc->next)
1383 if ((!elementSetName && !rc->elementSetName)
1384 || (elementSetName && rc->elementSetName &&
1385 !strcmp (elementSetName, rc->elementSetName)))
1387 if ((!syntax && !rc->syntax)
1388 || (syntax && rc->syntax &&
1389 !strcmp (syntax, rc->syntax)))
1391 /* not destroying rc->npr (it's handled by nmem )*/
1393 /* keeping wrbuf_marc too */
1399 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1402 rc->rec.wrbuf_marc = 0;
1404 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1406 rc->elementSetName = 0;
1409 rc->syntax = odr_strdup (r->odr, syntax);
1414 rc->next = r->record_cache;
1415 r->record_cache = rc;
1418 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1420 ZOOM_record_cache rc;
1421 const char *elementSetName =
1422 ZOOM_resultset_option_get (r, "elementSetName");
1423 const char *syntax =
1424 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1426 for (rc = r->record_cache; rc; rc = rc->next)
1430 if ((!elementSetName && !rc->elementSetName)
1431 || (elementSetName && rc->elementSetName &&
1432 !strcmp (elementSetName, rc->elementSetName)))
1434 if ((!syntax && !rc->syntax)
1435 || (syntax && rc->syntax &&
1436 !strcmp (syntax, rc->syntax)))
1444 static void handle_records (ZOOM_connection c, Z_Records *sr,
1447 ZOOM_resultset resultset;
1451 switch (c->tasks->which)
1453 case ZOOM_TASK_SEARCH:
1454 resultset = c->tasks->u.search.resultset;
1456 case ZOOM_TASK_RETRIEVE:
1457 resultset = c->tasks->u.retrieve.resultset;
1462 if (sr && sr->which == Z_Records_NSD)
1464 Z_DiagRec dr, *dr_p = &dr;
1465 dr.which = Z_DiagRec_defaultFormat;
1466 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1468 response_diag (c, dr_p);
1470 else if (sr && sr->which == Z_Records_multipleNSD)
1472 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1473 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1475 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1479 if (resultset->count + resultset->start > resultset->size)
1480 resultset->count = resultset->size - resultset->start;
1481 if (resultset->count < 0)
1482 resultset->count = 0;
1483 if (sr && sr->which == Z_Records_DBOSD)
1486 NMEM nmem = odr_extract_mem (c->odr_in);
1487 Z_NamePlusRecordList *p =
1488 sr->u.databaseOrSurDiagnostics;
1489 for (i = 0; i<p->num_records; i++)
1491 record_cache_add (resultset, p->records[i],
1492 i+ resultset->start);
1494 /* transfer our response to search_nmem .. we need it later */
1495 nmem_transfer (resultset->odr->mem, nmem);
1496 nmem_destroy (nmem);
1497 if (present_phase && p->num_records == 0)
1499 /* present response and we didn't get any records! */
1500 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1503 else if (present_phase)
1505 /* present response and we didn't get any records! */
1506 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1511 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1513 handle_records (c, pr->records, 1);
1516 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1518 ZOOM_resultset resultset;
1520 yaz_log (LOG_DEBUG, "got search response");
1522 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1525 resultset = c->tasks->u.search.resultset;
1527 resultset->size = *sr->resultCount;
1528 handle_records (c, sr->records, 0);
1531 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1533 if (res->diagnostics && res->num_diagnostics > 0)
1534 response_diag (c, res->diagnostics[0]);
1537 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1539 NMEM nmem = odr_extract_mem (c->odr_in);
1542 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1544 scan = c->tasks->u.scan.scan;
1546 if (res->entries && res->entries->nonsurrogateDiagnostics)
1547 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1548 scan->scan_response = res;
1549 nmem_transfer (scan->odr->mem, nmem);
1551 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1552 if (res->positionOfTerm)
1553 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1554 if (res->scanStatus)
1555 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1556 if (res->numberOfEntriesReturned)
1557 ZOOM_options_set_int (scan->options, "number",
1558 *res->numberOfEntriesReturned);
1559 nmem_destroy (nmem);
1563 static zoom_ret send_sort (ZOOM_connection c)
1565 ZOOM_resultset resultset;
1567 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1568 return zoom_complete;
1570 resultset = c->tasks->u.search.resultset;
1574 resultset->r_sort_spec = 0;
1575 return zoom_complete;
1577 if (resultset->r_sort_spec)
1579 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1580 Z_SortRequest *req = apdu->u.sortRequest;
1582 req->num_inputResultSetNames = 1;
1583 req->inputResultSetNames = (Z_InternationalString **)
1584 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1585 req->inputResultSetNames[0] =
1586 odr_strdup (c->odr_out, resultset->setname);
1587 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1588 req->sortSequence = resultset->r_sort_spec;
1589 resultset->r_sort_spec = 0;
1590 return send_APDU (c, apdu);
1592 return zoom_complete;
1595 static zoom_ret send_present (ZOOM_connection c)
1598 Z_PresentRequest *req = 0;
1600 const char *syntax = 0;
1601 const char *elementSetName = 0;
1602 const char *schema = 0;
1603 ZOOM_resultset resultset;
1606 return zoom_complete;
1608 switch (c->tasks->which)
1610 case ZOOM_TASK_SEARCH:
1611 resultset = c->tasks->u.search.resultset;
1613 case ZOOM_TASK_RETRIEVE:
1614 resultset = c->tasks->u.retrieve.resultset;
1615 resultset->start = c->tasks->u.retrieve.start;
1616 resultset->count = c->tasks->u.retrieve.count;
1618 if (resultset->start >= resultset->size)
1619 return zoom_complete;
1620 if (resultset->start + resultset->count > resultset->size)
1621 resultset->count = resultset->size - resultset->start;
1624 return zoom_complete;
1627 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1628 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1629 schema = ZOOM_resultset_option_get (resultset, "schema");
1631 if (c->error) /* don't continue on error */
1632 return zoom_complete;
1633 if (resultset->start < 0)
1634 return zoom_complete;
1635 for (i = 0; i<resultset->count; i++)
1638 record_cache_lookup (resultset, i + resultset->start);
1642 if (i == resultset->count)
1643 return zoom_complete;
1645 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1646 req = apdu->u.presentRequest;
1648 resultset->start += i;
1649 resultset->count -= i;
1650 *req->resultSetStartPoint = resultset->start + 1;
1651 *req->numberOfRecordsRequested = resultset->count;
1652 assert (*req->numberOfRecordsRequested > 0);
1654 if (syntax && *syntax)
1655 req->preferredRecordSyntax =
1656 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1658 if (schema && *schema)
1660 Z_RecordComposition *compo = (Z_RecordComposition *)
1661 odr_malloc (c->odr_out, sizeof(*compo));
1663 req->recordComposition = compo;
1664 compo->which = Z_RecordComp_complex;
1665 compo->u.complex = (Z_CompSpec *)
1666 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1667 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1668 odr_malloc(c->odr_out, sizeof(bool_t));
1669 *compo->u.complex->selectAlternativeSyntax = 0;
1671 compo->u.complex->generic = (Z_Specification *)
1672 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1674 compo->u.complex->generic->which = Z_Specification_oid;
1675 compo->u.complex->generic->u.oid = (Odr_oid *)
1676 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, schema);
1678 if (!compo->u.complex->generic->u.oid)
1680 /* OID wasn't a schema! Try record syntax instead. */
1682 compo->u.complex->generic->u.oid = (Odr_oid *)
1683 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, schema);
1685 if (elementSetName && *elementSetName)
1687 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
1688 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
1689 compo->u.complex->generic->elementSpec->which =
1690 Z_ElementSpec_elementSetName;
1691 compo->u.complex->generic->elementSpec->u.elementSetName =
1692 odr_strdup (c->odr_out, elementSetName);
1695 compo->u.complex->generic->elementSpec = 0;
1696 compo->u.complex->num_dbSpecific = 0;
1697 compo->u.complex->dbSpecific = 0;
1698 compo->u.complex->num_recordSyntax = 0;
1699 compo->u.complex->recordSyntax = 0;
1701 else if (elementSetName && *elementSetName)
1703 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1704 odr_malloc (c->odr_out, sizeof(*esn));
1705 Z_RecordComposition *compo = (Z_RecordComposition *)
1706 odr_malloc (c->odr_out, sizeof(*compo));
1708 esn->which = Z_ElementSetNames_generic;
1709 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
1710 compo->which = Z_RecordComp_simple;
1711 compo->u.simple = esn;
1712 req->recordComposition = compo;
1714 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
1715 return send_APDU (c, apdu);
1718 ZOOM_API(ZOOM_scanset)
1719 ZOOM_connection_scan (ZOOM_connection c, const char *start)
1721 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
1723 scan->connection = c;
1724 scan->odr = odr_createmem (ODR_DECODE);
1725 scan->options = ZOOM_options_create_with_parent (c->options);
1727 scan->scan_response = 0;
1729 if ((scan->termListAndStartPoint =
1730 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
1733 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
1734 task->u.scan.scan = scan;
1739 while (ZOOM_event (1, &c))
1747 ZOOM_scanset_destroy (ZOOM_scanset scan)
1752 if (scan->refcount == 0)
1754 odr_destroy (scan->odr);
1756 ZOOM_options_destroy (scan->options);
1761 static zoom_ret send_package (ZOOM_connection c)
1765 return zoom_complete;
1766 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1768 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1769 ZOOM_connection_put_event (c, event);
1771 return do_write_ex (c, c->tasks->u.package->buf_out,
1772 c->tasks->u.package->len_out);
1775 static zoom_ret send_scan (ZOOM_connection c)
1778 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
1779 Z_ScanRequest *req = apdu->u.scanRequest;
1781 return zoom_complete;
1782 assert (c->tasks->which == ZOOM_TASK_SCAN);
1783 scan = c->tasks->u.scan.scan;
1785 req->termListAndStartPoint = scan->termListAndStartPoint;
1786 req->attributeSet = scan->attributeSet;
1788 *req->numberOfTermsRequested =
1789 ZOOM_options_get_int(scan->options, "number", 10);
1791 req->preferredPositionInResponse =
1792 odr_intdup (c->odr_out,
1793 ZOOM_options_get_int(scan->options, "position", 1));
1796 odr_intdup (c->odr_out,
1797 ZOOM_options_get_int(scan->options, "stepSize", 0));
1799 req->databaseNames = set_DatabaseNames (c, scan->options,
1800 &req->num_databaseNames);
1802 return send_APDU (c, apdu);
1806 ZOOM_scanset_size (ZOOM_scanset scan)
1808 if (!scan || !scan->scan_response || !scan->scan_response->entries)
1810 return scan->scan_response->entries->num_entries;
1813 ZOOM_API(const char *)
1814 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
1817 const char *term = 0;
1818 size_t noent = ZOOM_scanset_size (scan);
1819 Z_ScanResponse *res = scan->scan_response;
1825 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1827 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1829 if (t->term->which == Z_Term_general)
1831 term = (const char *) t->term->u.general->buf;
1832 *len = t->term->u.general->len;
1834 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1839 ZOOM_API(const char *)
1840 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
1842 return ZOOM_options_get (scan->options, key);
1846 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
1849 ZOOM_options_set (scan->options, key, val);
1852 static Z_APDU *create_es_package (ZOOM_package p, int type)
1855 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
1856 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
1858 *req->function = Z_ExtendedServicesRequest_create;
1860 str = ZOOM_options_get(p->options, "package-name");
1862 req->packageName = nmem_strdup (p->odr_out->mem, str);
1864 str = ZOOM_options_get(p->options, "user-id");
1866 req->userId = nmem_strdup (p->odr_out->mem, str);
1868 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
1871 str = ZOOM_options_get(p->options, "function");
1874 if (!strcmp (str, "create"))
1876 if (!strcmp (str, "delete"))
1878 if (!strcmp (str, "modify"))
1884 static const char *ill_array_lookup (void *clientData, const char *idx)
1886 ZOOM_package p = (ZOOM_package) clientData;
1887 return ZOOM_options_get (p->options, idx+4);
1890 static Z_External *encode_ill_request (ZOOM_package p)
1892 ODR out = p->odr_out;
1895 struct ill_get_ctl ctl;
1897 ctl.odr = p->odr_out;
1899 ctl.f = ill_array_lookup;
1901 req = ill_get_ILLRequest(&ctl, "ill", 0);
1903 if (!ill_Request (out, &req, 0, 0))
1905 int ill_request_size;
1906 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
1907 if (ill_request_buf)
1908 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
1914 int illRequest_size = 0;
1915 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
1917 oid.proto = PROTO_GENERAL;
1918 oid.oclass = CLASS_GENERAL;
1919 oid.value = VAL_ISO_ILL_1;
1921 r = (Z_External *) odr_malloc (out, sizeof(*r));
1922 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
1923 r->indirect_reference = 0;
1925 r->which = Z_External_single;
1927 r->u.single_ASN1_type = (Odr_oct *)
1928 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
1929 r->u.single_ASN1_type->buf = (unsigned char*)
1930 odr_malloc (out, illRequest_size);
1931 r->u.single_ASN1_type->len = illRequest_size;
1932 r->u.single_ASN1_type->size = illRequest_size;
1933 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
1938 static Z_ItemOrder *encode_item_order(ZOOM_package p)
1940 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
1943 req->which=Z_IOItemOrder_esRequest;
1944 req->u.esRequest = (Z_IORequest *)
1945 odr_malloc(p->odr_out,sizeof(Z_IORequest));
1947 /* to keep part ... */
1948 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
1949 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
1950 req->u.esRequest->toKeep->supplDescription = 0;
1951 req->u.esRequest->toKeep->contact = (Z_IOContact *)
1952 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
1954 str = ZOOM_options_get(p->options, "contact-name");
1955 req->u.esRequest->toKeep->contact->name = str ?
1956 nmem_strdup (p->odr_out->mem, str) : 0;
1958 str = ZOOM_options_get(p->options, "contact-phone");
1959 req->u.esRequest->toKeep->contact->phone = str ?
1960 nmem_strdup (p->odr_out->mem, str) : 0;
1962 str = ZOOM_options_get(p->options, "contact-email");
1963 req->u.esRequest->toKeep->contact->email = str ?
1964 nmem_strdup (p->odr_out->mem, str) : 0;
1966 req->u.esRequest->toKeep->addlBilling = 0;
1968 /* not to keep part ... */
1969 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
1970 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
1972 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
1973 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
1975 str = ZOOM_options_get(p->options, "itemorder-setname");
1978 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
1979 nmem_strdup (p->odr_out->mem, str);
1980 req->u.esRequest->notToKeep->resultSetItem->item =
1981 (int *) odr_malloc(p->odr_out, sizeof(int));
1983 str = ZOOM_options_get(p->options, "itemorder-item");
1984 *req->u.esRequest->notToKeep->resultSetItem->item =
1985 (str ? atoi(str) : 1);
1987 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
1993 ZOOM_package_send (ZOOM_package p, const char *type)
2000 odr_reset (p->odr_out);
2003 if (!strcmp(type, "itemorder"))
2006 apdu = create_es_package (p, VAL_ITEMORDER);
2009 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2011 r->direct_reference =
2012 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2015 r->which = Z_External_itemOrder;
2016 r->indirect_reference = 0;
2017 r->u.itemOrder = encode_item_order (p);
2019 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2024 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2028 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2029 task->u.package = p;
2030 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2031 p->buf_out = (char *) xmalloc (p->len_out);
2032 memcpy (p->buf_out, buf, p->len_out);
2037 while (ZOOM_event (1, &c))
2044 ZOOM_API(ZOOM_package)
2045 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2047 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2050 p->odr_out = odr_createmem (ODR_ENCODE);
2051 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2059 ZOOM_package_destroy(ZOOM_package p)
2064 if (p->refcount == 0)
2066 odr_destroy (p->odr_out);
2069 ZOOM_options_destroy (p->options);
2074 ZOOM_API(const char *)
2075 ZOOM_package_option_get (ZOOM_package p, const char *key)
2077 return ZOOM_options_get (p->options, key);
2081 static zoom_ret ZOOM_srw_search(ZOOM_connection c, ZOOM_resultset r,
2085 struct xcql__operandType *xQuery = 0;
2087 xsd__integer startRecord = r->start + 1;
2088 xsd__integer maximumRecord = r->count;
2089 const char *schema = ZOOM_resultset_option_get (r, "schema");
2090 struct zs__searchRetrieveResponse res;
2091 xsd__string recordPacking = 0;
2095 schema = "http://www.loc.gov/marcxml/";
2097 ret = soap_call_zs__searchRetrieveRequest(c->soap, c->host_port,
2099 &r->z_query->u.type_104->u.cql,
2102 &startRecord, &maximumRecord,
2108 const char **s = soap_faultdetail(c->soap);
2112 c->addinfo = xstrdup(*s);
2113 c->diagset = "SOAP";
2118 if (res.diagnostics.__sizeDiagnostics > 0)
2124 c->error = res.diagnostics.diagnostic[i]->code;
2125 if (res.diagnostics.diagnostic[i]->details)
2127 xstrdup(res.diagnostics.diagnostic[i]->details);
2133 r->size = res.numberOfRecords;
2134 if (res.resultSetId)
2135 r->setname = xstrdup(res.resultSetId);
2136 for (i = 0; i < res.records.__sizeRecords; i++)
2138 char *rdata = res.records.record[i]->recordData;
2141 Z_NamePlusRecord *npr =
2142 odr_malloc(r->odr, sizeof(*npr));
2144 z_ext_record(r->odr, VAL_TEXT_XML,
2145 rdata, strlen(rdata));
2146 npr->databaseName = 0;
2147 npr->which = Z_NamePlusRecord_databaseRecord;
2148 npr->u.databaseRecord = ext;
2149 record_cache_add (r, npr, r->start + i);
2154 return zoom_complete;
2159 ZOOM_package_option_set (ZOOM_package p, const char *key,
2162 ZOOM_options_set (p->options, key, val);
2165 static int ZOOM_connection_exec_task (ZOOM_connection c)
2167 ZOOM_task task = c->tasks;
2168 zoom_ret ret = zoom_complete;
2172 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2175 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2176 task->which, task->running);
2177 if (c->error != ZOOM_ERROR_NONE)
2179 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2180 ZOOM_connection_remove_tasks (c);
2185 yaz_log (LOG_DEBUG, "task already running");
2189 ret = zoom_complete;
2191 if (c->proto == PROTO_SRW)
2193 ZOOM_resultset resultset;
2194 switch (task->which)
2196 case ZOOM_TASK_SEARCH:
2197 resultset = c->tasks->u.search.resultset;
2198 if (resultset->z_query &&
2199 resultset->z_query->which == Z_Query_type_104
2200 && resultset->z_query->u.type_104->which == Z_External_CQL)
2201 ret = ZOOM_srw_search(c, resultset,
2202 resultset->z_query->u.type_104->u.cql);
2204 case ZOOM_TASK_RETRIEVE:
2205 resultset = c->tasks->u.retrieve.resultset;
2206 resultset->start = c->tasks->u.retrieve.start;
2207 resultset->count = c->tasks->u.retrieve.count;
2209 if (resultset->start >= resultset->size)
2210 return zoom_complete;
2211 if (resultset->start + resultset->count > resultset->size)
2212 resultset->count = resultset->size - resultset->start;
2214 if (resultset->z_query &&
2215 resultset->z_query->which == Z_Query_type_104
2216 && resultset->z_query->u.type_104->which == Z_External_CQL)
2217 ret = ZOOM_srw_search(c, resultset,
2218 resultset->z_query->u.type_104->u.cql);
2222 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2224 switch (task->which)
2226 case ZOOM_TASK_SEARCH:
2227 if (c->proto == PROTO_SRW)
2228 ret = ZOOM_connection_srw_send_search(c);
2230 ret = ZOOM_connection_send_search(c);
2232 case ZOOM_TASK_RETRIEVE:
2233 ret = send_present (c);
2235 case ZOOM_TASK_CONNECT:
2236 ret = do_connect(c);
2238 case ZOOM_TASK_SCAN:
2241 case ZOOM_TASK_PACKAGE:
2242 ret = send_package(c);
2248 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2249 ZOOM_connection_remove_tasks (c);
2251 if (ret == zoom_complete)
2253 yaz_log (LOG_DEBUG, "task removed (complete)");
2254 ZOOM_connection_remove_task (c);
2257 yaz_log (LOG_DEBUG, "task pending");
2261 static zoom_ret send_sort_present (ZOOM_connection c)
2263 zoom_ret r = send_sort (c);
2264 if (r == zoom_complete)
2265 r = send_present (c);
2269 static int es_response (ZOOM_connection c,
2270 Z_ExtendedServicesResponse *res)
2272 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2274 if (res->diagnostics && res->num_diagnostics > 0)
2275 response_diag(c, res->diagnostics[0]);
2276 if (res->taskPackage &&
2277 res->taskPackage->which == Z_External_extendedService)
2279 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2280 Odr_oct *id = taskPackage->targetReference;
2283 ZOOM_options_setl (c->tasks->u.package->options,
2284 "targetReference", (char*) id->buf, id->len);
2290 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2292 Z_InitResponse *initrs;
2295 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2298 case Z_APDU_initResponse:
2299 initrs = apdu->u.initResponse;
2300 ZOOM_connection_option_set(c, "targetImplementationId",
2301 initrs->implementationId ?
2302 initrs->implementationId : "");
2303 ZOOM_connection_option_set(c, "targetImplementationName",
2304 initrs->implementationName ?
2305 initrs->implementationName : "");
2306 ZOOM_connection_option_set(c, "targetImplementationVersion",
2307 initrs->implementationVersion ?
2308 initrs->implementationVersion : "");
2309 if (!*initrs->result)
2311 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2316 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2318 xfree (c->cookie_in);
2321 c->cookie_in = xstrdup(cookie);
2322 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2323 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2324 c->support_named_resultsets = 1;
2327 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2328 ZOOM_connection_remove_task (c);
2330 ZOOM_connection_exec_task (c);
2332 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2334 NMEM tmpmem = nmem_create();
2335 Z_CharSetandLanguageNegotiation *p =
2336 yaz_get_charneg_record(initrs->otherInfo);
2340 char *charset=NULL, *lang=NULL;
2343 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2344 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2345 "language %s, select %d",
2346 charset ? charset : "none", lang ? lang : "none", sel);
2348 ZOOM_connection_option_set (c, "negotiation-charset",
2351 ZOOM_connection_option_set (c, "negotiation-lang",
2353 nmem_destroy(tmpmem);
2357 case Z_APDU_searchResponse:
2358 handle_search_response (c, apdu->u.searchResponse);
2359 if (send_sort_present (c) == zoom_complete)
2360 ZOOM_connection_remove_task (c);
2362 case Z_APDU_presentResponse:
2363 handle_present_response (c, apdu->u.presentResponse);
2364 if (send_present (c) == zoom_complete)
2365 ZOOM_connection_remove_task (c);
2367 case Z_APDU_sortResponse:
2368 sort_response (c, apdu->u.sortResponse);
2369 if (send_present (c) == zoom_complete)
2370 ZOOM_connection_remove_task (c);
2372 case Z_APDU_scanResponse:
2373 scan_response (c, apdu->u.scanResponse);
2374 ZOOM_connection_remove_task (c);
2376 case Z_APDU_extendedServicesResponse:
2377 es_response (c, apdu->u.extendedServicesResponse);
2378 ZOOM_connection_remove_task (c);
2381 if (c->reconnect_ok)
2384 c->tasks->running = 0;
2385 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2389 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2394 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2399 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2402 yaz_log (LOG_DEBUG, "handle_http");
2403 ZOOM_connection_remove_task(c);
2406 static int do_read (ZOOM_connection c)
2411 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2412 ZOOM_connection_put_event (c, event);
2414 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2416 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2421 if (c->reconnect_ok)
2424 c->reconnect_ok = 0;
2425 yaz_log (LOG_DEBUG, "reconnect read");
2426 c->tasks->running = 0;
2427 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2431 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2439 odr_reset (c->odr_in);
2440 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2441 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2442 ZOOM_connection_put_event (c, event);
2444 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2446 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2449 else if (gdu->which == Z_GDU_Z3950)
2450 handle_apdu (c, gdu->u.z3950);
2451 else if (gdu->which == Z_GDU_HTTP_Response)
2452 handle_http (c, gdu->u.HTTP_Response);
2453 c->reconnect_ok = 0;
2458 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2463 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2464 ZOOM_connection_put_event (c, event);
2466 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2467 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2469 if (c->reconnect_ok)
2472 c->reconnect_ok = 0;
2473 yaz_log (LOG_DEBUG, "reconnect write");
2474 c->tasks->running = 0;
2475 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2476 return zoom_complete;
2478 if (c->state == STATE_CONNECTING)
2479 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2481 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2483 return zoom_complete;
2487 c->mask = ZOOM_SELECT_EXCEPT;
2488 if (c->cs->io_pending & CS_WANT_WRITE)
2489 c->mask += ZOOM_SELECT_WRITE;
2490 if (c->cs->io_pending & CS_WANT_READ)
2491 c->mask += ZOOM_SELECT_READ;
2492 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2496 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2497 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2499 return zoom_pending;
2502 static zoom_ret do_write(ZOOM_connection c)
2504 return do_write_ex (c, c->buf_out, c->len_out);
2508 ZOOM_API(const char *)
2509 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2511 return ZOOM_options_get (c->options, key);
2515 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2518 ZOOM_options_set (c->options, key, val);
2521 ZOOM_API(const char *)
2522 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2524 return ZOOM_options_get (r->options, key);
2528 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2531 ZOOM_options_set (r->options, key, val);
2536 ZOOM_connection_errcode (ZOOM_connection c)
2538 return ZOOM_connection_error (c, 0, 0);
2541 ZOOM_API(const char *)
2542 ZOOM_connection_errmsg (ZOOM_connection c)
2545 ZOOM_connection_error (c, &msg, 0);
2549 ZOOM_API(const char *)
2550 ZOOM_connection_addinfo (ZOOM_connection c)
2552 const char *addinfo;
2553 ZOOM_connection_error (c, 0, &addinfo);
2557 ZOOM_API(const char *)
2558 ZOOM_diag_str (int error)
2562 case ZOOM_ERROR_NONE:
2564 case ZOOM_ERROR_CONNECT:
2565 return "Connect failed";
2566 case ZOOM_ERROR_MEMORY:
2567 return "Out of memory";
2568 case ZOOM_ERROR_ENCODE:
2569 return "Encoding failed";
2570 case ZOOM_ERROR_DECODE:
2571 return "Decoding failed";
2572 case ZOOM_ERROR_CONNECTION_LOST:
2573 return "Connection lost";
2574 case ZOOM_ERROR_INIT:
2575 return "Init rejected";
2576 case ZOOM_ERROR_INTERNAL:
2577 return "Internal failure";
2578 case ZOOM_ERROR_TIMEOUT:
2580 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2581 return "Unsupported protocol";
2583 return diagbib1_str (error);
2588 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2589 const char **addinfo, const char **diagset)
2591 int error = c->error;
2595 *cp = ZOOM_diag_str(error);
2597 else if (!strcmp(c->diagset, "SRW"))
2598 *cp = yaz_srw_diag_str(error);
2599 else if (c->soap && !strcmp(c->diagset, "SOAP"))
2601 const char **s = soap_faultstring(c->soap);
2609 *cp = ZOOM_diag_str(error);
2612 *addinfo = c->addinfo ? c->addinfo : "";
2614 *diagset = c->diagset ? c->diagset : "";
2619 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2620 const char **addinfo)
2622 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2625 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2627 ZOOM_Event event = 0;
2628 int r = cs_look(c->cs);
2629 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2634 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2635 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2637 ZOOM_connection_put_event (c, event);
2639 else if (r == CS_CONNECT)
2642 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2644 ret = cs_rcvconnect (c->cs);
2645 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2648 c->mask = ZOOM_SELECT_EXCEPT;
2649 if (c->cs->io_pending & CS_WANT_WRITE)
2650 c->mask += ZOOM_SELECT_WRITE;
2651 if (c->cs->io_pending & CS_WANT_READ)
2652 c->mask += ZOOM_SELECT_READ;
2653 ZOOM_connection_put_event (c, event);
2657 ZOOM_connection_put_event (c, event);
2658 if (c->proto == PROTO_Z3950)
2659 ZOOM_connection_send_init(c);
2662 /* no init request for SRW .. */
2663 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2664 ZOOM_connection_remove_task (c);
2666 ZOOM_connection_exec_task (c);
2668 c->state = STATE_ESTABLISHED;
2672 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2674 ZOOM_connection_put_event (c, event);
2679 if (mask & ZOOM_SELECT_READ)
2681 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2688 ZOOM_connection_last_event(ZOOM_connection cs)
2691 return ZOOM_EVENT_NONE;
2692 return cs->last_event;
2696 ZOOM_event (int no, ZOOM_connection *cs)
2700 struct pollfd pollfds[1024];
2701 ZOOM_connection poll_cs[1024];
2704 fd_set input, output, except;
2709 for (i = 0; i<no; i++)
2711 ZOOM_connection c = cs[i];
2713 if (c && (event = ZOOM_connection_get_event(c)))
2715 ZOOM_Event_destroy (event);
2719 for (i = 0; i<no; i++)
2721 ZOOM_connection c = cs[i];
2723 if (c && ZOOM_connection_exec_task (c))
2725 if ((event = ZOOM_connection_get_event(c)))
2727 ZOOM_Event_destroy (event);
2740 for (i = 0; i<no; i++)
2742 ZOOM_connection c = cs[i];
2748 fd = z3950_connection_socket(c);
2749 mask = z3950_connection_mask(c);
2756 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
2757 if (this_timeout != -1 && this_timeout < timeout)
2758 timeout = this_timeout;
2762 short poll_events = 0;
2764 if (mask & ZOOM_SELECT_READ)
2765 poll_events += POLLIN;
2766 if (mask & ZOOM_SELECT_WRITE)
2767 poll_events += POLLOUT;
2768 if (mask & ZOOM_SELECT_EXCEPT)
2769 poll_events += POLLERR;
2770 pollfds[nfds].fd = fd;
2771 pollfds[nfds].events = poll_events;
2772 pollfds[nfds].revents = 0;
2777 if (mask & ZOOM_SELECT_READ)
2779 FD_SET (fd, &input);
2782 if (mask & ZOOM_SELECT_WRITE)
2784 FD_SET (fd, &output);
2787 if (mask & ZOOM_SELECT_EXCEPT)
2789 FD_SET (fd, &except);
2794 if (timeout >= 5000)
2801 r = poll (pollfds, nfds, timeout * 1000);
2802 for (i = 0; i<nfds; i++)
2804 ZOOM_connection c = poll_cs[i];
2808 if (pollfds[i].revents & POLLIN)
2809 mask += ZOOM_SELECT_READ;
2810 if (pollfds[i].revents & POLLOUT)
2811 mask += ZOOM_SELECT_WRITE;
2812 if (pollfds[i].revents & POLLERR)
2813 mask += ZOOM_SELECT_EXCEPT;
2815 ZOOM_connection_do_io(c, mask);
2817 else if (r == 0 && c->mask)
2819 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2820 /* timeout and this connection was waiting */
2821 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
2823 ZOOM_connection_put_event(c, event);
2827 tv.tv_sec = timeout;
2829 yaz_log (LOG_DEBUG, "select start");
2830 r = select (max_fd+1, &input, &output, &except, &tv);
2831 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
2832 for (i = 0; i<no; i++)
2834 ZOOM_connection c = cs[i];
2839 fd = z3950_connection_socket(c);
2843 /* no timeout and real socket */
2844 if (FD_ISSET(fd, &input))
2845 mask += ZOOM_SELECT_READ;
2846 if (FD_ISSET(fd, &output))
2847 mask += ZOOM_SELECT_WRITE;
2848 if (FD_ISSET(fd, &except))
2849 mask += ZOOM_SELECT_EXCEPT;
2851 ZOOM_connection_do_io(c, mask);
2853 if (r == 0 && c->mask)
2855 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2856 /* timeout and this connection was waiting */
2857 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
2859 yaz_log (LOG_DEBUG, "timeout");
2860 ZOOM_connection_put_event(c, event);
2864 for (i = 0; i<no; i++)
2866 ZOOM_connection c = cs[i];
2868 if (c && (event = ZOOM_connection_get_event(c)))
2870 ZOOM_Event_destroy (event);