2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.18 2003-02-14 18:49:24 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);
916 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_searchRetrieve *sr)
918 Z_SOAP_Handler h[2] = {
919 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
922 ODR o = odr_createmem(ODR_ENCODE);
924 Z_SOAP *p = odr_malloc(o, sizeof(*p));
928 gdu = z_get_HTTP_Request(c->odr_out);
929 gdu->u.HTTP_Request->path = c->path;
930 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
931 "Content-Type", "text/xml");
932 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
933 "SOAPAction", "\"\"");
934 p->which = Z_SOAP_generic;
935 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
936 p->u.generic->no = 0;
937 p->u.generic->ns = 0;
938 p->u.generic->p = sr;
939 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
941 ret = z_soap_codec(o, &p,
942 &gdu->u.HTTP_Request->content_buf,
943 &gdu->u.HTTP_Request->content_len, h);
945 if (!z_GDU(c->odr_out, &gdu, 0, 0))
946 return zoom_complete;
947 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
951 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
952 ZOOM_connection_put_event (c, event);
953 odr_reset(c->odr_out);
957 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
959 ZOOM_resultset resultset;
960 Z_SRW_searchRetrieve *sr = yaz_srw_get(c->odr_out,
961 Z_SRW_searchRetrieve_request);
964 assert (c->tasks->which == ZOOM_TASK_SEARCH);
966 resultset = c->tasks->u.search.resultset;
968 assert (resultset->z_query);
970 if (resultset->z_query->which == Z_Query_type_104
971 && resultset->z_query->u.type_104->which == Z_External_CQL)
972 sr->u.request->query = resultset->z_query->u.type_104->u.cql;
974 sr->u.request->query = "dc.title = computer";
976 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
977 sr->u.request->maximumRecords = odr_intdup (c->odr_out, resultset->count);
979 return send_srw(c, sr);
982 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
985 int lslb, ssub, mspn;
987 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
988 Z_SearchRequest *search_req = apdu->u.searchRequest;
989 const char *elementSetName;
990 const char *smallSetElementSetName;
991 const char *mediumSetElementSetName;
995 assert (c->tasks->which == ZOOM_TASK_SEARCH);
997 r = c->tasks->u.search.resultset;
1000 ZOOM_options_get (r->options, "elementSetName");
1001 smallSetElementSetName =
1002 ZOOM_options_get (r->options, "smallSetElementSetName");
1003 mediumSetElementSetName =
1004 ZOOM_options_get (r->options, "mediumSetElementSetName");
1006 ZOOM_options_get (r->options, "schema");
1008 if (!smallSetElementSetName)
1009 smallSetElementSetName = elementSetName;
1011 if (!mediumSetElementSetName)
1012 mediumSetElementSetName = elementSetName;
1015 assert (r->z_query);
1017 /* prepare query for the search request */
1018 search_req->query = r->z_query;
1020 search_req->databaseNames =
1021 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1023 /* get syntax (no need to provide unless piggyback is in effect) */
1024 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1026 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1027 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1028 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1029 if (lslb != -1 && ssub != -1 && mspn != -1)
1031 /* So're a Z39.50 expert? Let's hope you don't do sort */
1032 *search_req->largeSetLowerBound = lslb;
1033 *search_req->smallSetUpperBound = ssub;
1034 *search_req->mediumSetPresentNumber = mspn;
1036 else if (r->start == 0 && r->count > 0
1037 && r->piggyback && !r->r_sort_spec && !schema)
1039 /* Regular piggyback - do it unless we're going to do sort */
1040 *search_req->largeSetLowerBound = 2000000000;
1041 *search_req->smallSetUpperBound = 0;
1042 *search_req->mediumSetPresentNumber = r->count;
1043 smallSetElementSetName = 0;
1047 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1048 smallSetElementSetName = 0;
1049 mediumSetElementSetName = 0;
1052 if (smallSetElementSetName && *smallSetElementSetName)
1054 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1055 odr_malloc (c->odr_out, sizeof(*esn));
1057 esn->which = Z_ElementSetNames_generic;
1058 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1059 search_req->smallSetElementSetNames = esn;
1061 if (mediumSetElementSetName && *mediumSetElementSetName)
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, mediumSetElementSetName);
1068 search_req->mediumSetElementSetNames = esn;
1071 search_req->preferredRecordSyntax =
1072 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1076 if (c->support_named_resultsets)
1080 /* find the lowest unused ordinal so that we re-use
1081 result sets on the server. */
1082 for (ord = 1; ; ord++)
1085 sprintf (setname, "%d", ord);
1086 for (rp = c->resultsets; rp; rp = rp->next)
1087 if (rp->setname && !strcmp (rp->setname, setname))
1092 r->setname = xstrdup (setname);
1093 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1096 r->setname = xstrdup ("default");
1097 ZOOM_options_set (r->options, "setname", r->setname);
1099 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1100 /* send search request */
1101 return send_APDU (c, apdu);
1104 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1107 Z_DefaultDiagFormat *r;
1112 if (p->which != Z_DiagRec_defaultFormat)
1114 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1117 r = p->u.defaultFormat;
1118 c->diagset = yaz_z3950oid_to_str(r->diagnosticSetId, &oclass);
1122 case Z_DefaultDiagFormat_v2Addinfo:
1123 addinfo = r->u.v2Addinfo;
1125 case Z_DefaultDiagFormat_v3Addinfo:
1126 addinfo = r->u.v3Addinfo;
1130 c->addinfo = xstrdup (addinfo);
1131 c->error = *r->condition;
1134 ZOOM_API(ZOOM_record)
1135 ZOOM_record_clone (ZOOM_record srec)
1142 odr_enc = odr_createmem(ODR_ENCODE);
1143 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1145 buf = odr_getbuf (odr_enc, &size, 0);
1147 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1148 nrec->odr = odr_createmem(ODR_DECODE);
1149 nrec->wrbuf_marc = 0;
1150 odr_setbuf (nrec->odr, buf, size, 0);
1151 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1153 odr_destroy (odr_enc);
1157 ZOOM_API(ZOOM_record)
1158 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1160 return record_cache_lookup (s, pos);
1163 ZOOM_API(ZOOM_record)
1164 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1166 ZOOM_resultset_retrieve (r, 1, pos, 1);
1167 return ZOOM_resultset_record_immediate (r, pos);
1171 ZOOM_record_destroy (ZOOM_record rec)
1175 if (rec->wrbuf_marc)
1176 wrbuf_free (rec->wrbuf_marc, 1);
1177 odr_destroy (rec->odr);
1181 ZOOM_API(const char *)
1182 ZOOM_record_get (ZOOM_record rec, const char *type, int *len)
1184 Z_NamePlusRecord *npr;
1187 *len = 0; /* default return */
1194 if (!strcmp (type, "database"))
1197 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1198 return npr->databaseName;
1200 else if (!strcmp (type, "syntax"))
1202 const char *desc = 0;
1203 if (npr->which == Z_NamePlusRecord_databaseRecord)
1205 Z_External *r = (Z_External *) npr->u.databaseRecord;
1206 oident *ent = oid_getentbyoid(r->direct_reference);
1213 *len = strlen(desc);
1216 else if (!strcmp (type, "render") &&
1217 npr->which == Z_NamePlusRecord_databaseRecord)
1219 Z_External *r = (Z_External *) npr->u.databaseRecord;
1220 oident *ent = oid_getentbyoid(r->direct_reference);
1222 if (r->which == Z_External_sutrs)
1224 if (len) *len = r->u.sutrs->len;
1225 return (const char *) r->u.sutrs->buf;
1227 else if (r->which == Z_External_octet)
1237 case VAL_APPLICATION_XML:
1240 if (!rec->wrbuf_marc)
1241 rec->wrbuf_marc = wrbuf_alloc();
1243 mt = yaz_marc_create();
1244 wrbuf_rewind (rec->wrbuf_marc);
1245 if (yaz_marc_decode_wrbuf (
1246 mt, (const char *) r->u.octet_aligned->buf,
1247 r->u.octet_aligned->len,
1248 rec->wrbuf_marc) > 0)
1251 *len = wrbuf_len(rec->wrbuf_marc);
1252 yaz_marc_destroy(mt);
1253 return wrbuf_buf(rec->wrbuf_marc);
1255 yaz_marc_destroy(mt);
1258 *len = r->u.octet_aligned->len;
1259 return (const char *) r->u.octet_aligned->buf;
1261 else if (r->which == Z_External_grs1)
1263 if (!rec->wrbuf_marc)
1264 rec->wrbuf_marc = wrbuf_alloc();
1265 wrbuf_rewind (rec->wrbuf_marc);
1266 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1268 *len = wrbuf_len(rec->wrbuf_marc);
1269 return wrbuf_buf(rec->wrbuf_marc);
1273 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1274 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1276 Z_External *r = (Z_External *) npr->u.databaseRecord;
1277 oident *ent = oid_getentbyoid(r->direct_reference);
1279 if (r->which == Z_External_sutrs)
1281 if (len) *len = r->u.sutrs->len;
1282 return (const char *) r->u.sutrs->buf;
1284 else if (r->which == Z_External_octet)
1287 int marc_decode_type = YAZ_MARC_MARCXML;
1289 if (!strcmp(type, "oai"))
1290 marc_decode_type = YAZ_MARC_OAIMARC;
1298 case VAL_APPLICATION_XML:
1301 if (!rec->wrbuf_marc)
1302 rec->wrbuf_marc = wrbuf_alloc();
1303 wrbuf_rewind (rec->wrbuf_marc);
1304 mt = yaz_marc_create();
1306 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1307 if (yaz_marc_decode_wrbuf (
1308 mt, (const char *) r->u.octet_aligned->buf,
1309 r->u.octet_aligned->len,
1310 rec->wrbuf_marc) > 0)
1313 *len = wrbuf_len(rec->wrbuf_marc);
1314 yaz_marc_destroy(mt);
1315 return wrbuf_buf(rec->wrbuf_marc);
1317 yaz_marc_destroy(mt);
1319 if (len) *len = r->u.octet_aligned->len;
1320 return (const char *) r->u.octet_aligned->buf;
1322 else if (r->which == Z_External_grs1)
1329 else if (!strcmp (type, "raw"))
1331 if (npr->which == Z_NamePlusRecord_databaseRecord)
1333 Z_External *r = (Z_External *) npr->u.databaseRecord;
1335 if (r->which == Z_External_sutrs)
1337 if (len) *len = r->u.sutrs->len;
1338 return (const char *) r->u.sutrs->buf;
1340 else if (r->which == Z_External_octet)
1342 if (len) *len = r->u.octet_aligned->len;
1343 return (const char *) r->u.octet_aligned->buf;
1345 else /* grs-1, explain, ... */
1348 return (const char *) npr->u.databaseRecord;
1353 else if (!strcmp (type, "ext"))
1355 if (npr->which == Z_NamePlusRecord_databaseRecord)
1356 return (const char *) npr->u.databaseRecord;
1362 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr, int pos)
1364 ZOOM_record_cache rc;
1365 const char *elementSetName =
1366 ZOOM_resultset_option_get (r, "elementSetName");
1367 const char *syntax =
1368 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1370 for (rc = r->record_cache; rc; rc = rc->next)
1374 if ((!elementSetName && !rc->elementSetName)
1375 || (elementSetName && rc->elementSetName &&
1376 !strcmp (elementSetName, rc->elementSetName)))
1378 if ((!syntax && !rc->syntax)
1379 || (syntax && rc->syntax &&
1380 !strcmp (syntax, rc->syntax)))
1382 /* not destroying rc->npr (it's handled by nmem )*/
1384 /* keeping wrbuf_marc too */
1390 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1393 rc->rec.wrbuf_marc = 0;
1395 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1397 rc->elementSetName = 0;
1400 rc->syntax = odr_strdup (r->odr, syntax);
1405 rc->next = r->record_cache;
1406 r->record_cache = rc;
1409 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1411 ZOOM_record_cache rc;
1412 const char *elementSetName =
1413 ZOOM_resultset_option_get (r, "elementSetName");
1414 const char *syntax =
1415 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1417 for (rc = r->record_cache; rc; rc = rc->next)
1421 if ((!elementSetName && !rc->elementSetName)
1422 || (elementSetName && rc->elementSetName &&
1423 !strcmp (elementSetName, rc->elementSetName)))
1425 if ((!syntax && !rc->syntax)
1426 || (syntax && rc->syntax &&
1427 !strcmp (syntax, rc->syntax)))
1435 static void handle_records (ZOOM_connection c, Z_Records *sr,
1438 ZOOM_resultset resultset;
1442 switch (c->tasks->which)
1444 case ZOOM_TASK_SEARCH:
1445 resultset = c->tasks->u.search.resultset;
1447 case ZOOM_TASK_RETRIEVE:
1448 resultset = c->tasks->u.retrieve.resultset;
1453 if (sr && sr->which == Z_Records_NSD)
1455 Z_DiagRec dr, *dr_p = &dr;
1456 dr.which = Z_DiagRec_defaultFormat;
1457 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1459 response_diag (c, dr_p);
1461 else if (sr && sr->which == Z_Records_multipleNSD)
1463 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1464 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1466 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1470 if (resultset->count + resultset->start > resultset->size)
1471 resultset->count = resultset->size - resultset->start;
1472 if (resultset->count < 0)
1473 resultset->count = 0;
1474 if (sr && sr->which == Z_Records_DBOSD)
1477 NMEM nmem = odr_extract_mem (c->odr_in);
1478 Z_NamePlusRecordList *p =
1479 sr->u.databaseOrSurDiagnostics;
1480 for (i = 0; i<p->num_records; i++)
1482 record_cache_add (resultset, p->records[i],
1483 i+ resultset->start);
1485 /* transfer our response to search_nmem .. we need it later */
1486 nmem_transfer (resultset->odr->mem, nmem);
1487 nmem_destroy (nmem);
1488 if (present_phase && p->num_records == 0)
1490 /* present response and we didn't get any records! */
1491 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1494 else if (present_phase)
1496 /* present response and we didn't get any records! */
1497 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1502 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1504 handle_records (c, pr->records, 1);
1507 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1509 ZOOM_resultset resultset;
1511 yaz_log (LOG_DEBUG, "got search response");
1513 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1516 resultset = c->tasks->u.search.resultset;
1518 resultset->size = *sr->resultCount;
1519 handle_records (c, sr->records, 0);
1522 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1524 if (res->diagnostics && res->num_diagnostics > 0)
1525 response_diag (c, res->diagnostics[0]);
1528 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1530 NMEM nmem = odr_extract_mem (c->odr_in);
1533 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1535 scan = c->tasks->u.scan.scan;
1537 if (res->entries && res->entries->nonsurrogateDiagnostics)
1538 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1539 scan->scan_response = res;
1540 nmem_transfer (scan->odr->mem, nmem);
1542 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1543 if (res->positionOfTerm)
1544 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1545 if (res->scanStatus)
1546 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1547 if (res->numberOfEntriesReturned)
1548 ZOOM_options_set_int (scan->options, "number",
1549 *res->numberOfEntriesReturned);
1550 nmem_destroy (nmem);
1554 static zoom_ret send_sort (ZOOM_connection c)
1556 ZOOM_resultset resultset;
1558 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1559 return zoom_complete;
1561 resultset = c->tasks->u.search.resultset;
1565 resultset->r_sort_spec = 0;
1566 return zoom_complete;
1568 if (resultset->r_sort_spec)
1570 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1571 Z_SortRequest *req = apdu->u.sortRequest;
1573 req->num_inputResultSetNames = 1;
1574 req->inputResultSetNames = (Z_InternationalString **)
1575 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1576 req->inputResultSetNames[0] =
1577 odr_strdup (c->odr_out, resultset->setname);
1578 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1579 req->sortSequence = resultset->r_sort_spec;
1580 resultset->r_sort_spec = 0;
1581 return send_APDU (c, apdu);
1583 return zoom_complete;
1586 static zoom_ret send_present (ZOOM_connection c)
1589 Z_PresentRequest *req = 0;
1591 const char *syntax = 0;
1592 const char *elementSetName = 0;
1593 const char *schema = 0;
1594 ZOOM_resultset resultset;
1597 return zoom_complete;
1599 switch (c->tasks->which)
1601 case ZOOM_TASK_SEARCH:
1602 resultset = c->tasks->u.search.resultset;
1604 case ZOOM_TASK_RETRIEVE:
1605 resultset = c->tasks->u.retrieve.resultset;
1606 resultset->start = c->tasks->u.retrieve.start;
1607 resultset->count = c->tasks->u.retrieve.count;
1609 if (resultset->start >= resultset->size)
1610 return zoom_complete;
1611 if (resultset->start + resultset->count > resultset->size)
1612 resultset->count = resultset->size - resultset->start;
1615 return zoom_complete;
1618 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1619 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1620 schema = ZOOM_resultset_option_get (resultset, "schema");
1622 if (c->error) /* don't continue on error */
1623 return zoom_complete;
1624 if (resultset->start < 0)
1625 return zoom_complete;
1626 for (i = 0; i<resultset->count; i++)
1629 record_cache_lookup (resultset, i + resultset->start);
1633 if (i == resultset->count)
1634 return zoom_complete;
1636 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1637 req = apdu->u.presentRequest;
1639 resultset->start += i;
1640 resultset->count -= i;
1641 *req->resultSetStartPoint = resultset->start + 1;
1642 *req->numberOfRecordsRequested = resultset->count;
1643 assert (*req->numberOfRecordsRequested > 0);
1645 if (syntax && *syntax)
1646 req->preferredRecordSyntax =
1647 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1649 if (schema && *schema)
1651 Z_RecordComposition *compo = (Z_RecordComposition *)
1652 odr_malloc (c->odr_out, sizeof(*compo));
1654 req->recordComposition = compo;
1655 compo->which = Z_RecordComp_complex;
1656 compo->u.complex = (Z_CompSpec *)
1657 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1658 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1659 odr_malloc(c->odr_out, sizeof(bool_t));
1660 *compo->u.complex->selectAlternativeSyntax = 0;
1662 compo->u.complex->generic = (Z_Specification *)
1663 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1665 compo->u.complex->generic->which = Z_Specification_oid;
1666 compo->u.complex->generic->u.oid = (Odr_oid *)
1667 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, schema);
1669 if (!compo->u.complex->generic->u.oid)
1671 /* OID wasn't a schema! Try record syntax instead. */
1673 compo->u.complex->generic->u.oid = (Odr_oid *)
1674 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, schema);
1676 if (elementSetName && *elementSetName)
1678 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
1679 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
1680 compo->u.complex->generic->elementSpec->which =
1681 Z_ElementSpec_elementSetName;
1682 compo->u.complex->generic->elementSpec->u.elementSetName =
1683 odr_strdup (c->odr_out, elementSetName);
1686 compo->u.complex->generic->elementSpec = 0;
1687 compo->u.complex->num_dbSpecific = 0;
1688 compo->u.complex->dbSpecific = 0;
1689 compo->u.complex->num_recordSyntax = 0;
1690 compo->u.complex->recordSyntax = 0;
1692 else if (elementSetName && *elementSetName)
1694 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1695 odr_malloc (c->odr_out, sizeof(*esn));
1696 Z_RecordComposition *compo = (Z_RecordComposition *)
1697 odr_malloc (c->odr_out, sizeof(*compo));
1699 esn->which = Z_ElementSetNames_generic;
1700 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
1701 compo->which = Z_RecordComp_simple;
1702 compo->u.simple = esn;
1703 req->recordComposition = compo;
1705 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
1706 return send_APDU (c, apdu);
1709 ZOOM_API(ZOOM_scanset)
1710 ZOOM_connection_scan (ZOOM_connection c, const char *start)
1712 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
1714 scan->connection = c;
1715 scan->odr = odr_createmem (ODR_DECODE);
1716 scan->options = ZOOM_options_create_with_parent (c->options);
1718 scan->scan_response = 0;
1720 if ((scan->termListAndStartPoint =
1721 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
1724 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
1725 task->u.scan.scan = scan;
1730 while (ZOOM_event (1, &c))
1738 ZOOM_scanset_destroy (ZOOM_scanset scan)
1743 if (scan->refcount == 0)
1745 odr_destroy (scan->odr);
1747 ZOOM_options_destroy (scan->options);
1752 static zoom_ret send_package (ZOOM_connection c)
1756 return zoom_complete;
1757 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1759 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1760 ZOOM_connection_put_event (c, event);
1762 return do_write_ex (c, c->tasks->u.package->buf_out,
1763 c->tasks->u.package->len_out);
1766 static zoom_ret send_scan (ZOOM_connection c)
1769 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
1770 Z_ScanRequest *req = apdu->u.scanRequest;
1772 return zoom_complete;
1773 assert (c->tasks->which == ZOOM_TASK_SCAN);
1774 scan = c->tasks->u.scan.scan;
1776 req->termListAndStartPoint = scan->termListAndStartPoint;
1777 req->attributeSet = scan->attributeSet;
1779 *req->numberOfTermsRequested =
1780 ZOOM_options_get_int(scan->options, "number", 10);
1782 req->preferredPositionInResponse =
1783 odr_intdup (c->odr_out,
1784 ZOOM_options_get_int(scan->options, "position", 1));
1787 odr_intdup (c->odr_out,
1788 ZOOM_options_get_int(scan->options, "stepSize", 0));
1790 req->databaseNames = set_DatabaseNames (c, scan->options,
1791 &req->num_databaseNames);
1793 return send_APDU (c, apdu);
1797 ZOOM_scanset_size (ZOOM_scanset scan)
1799 if (!scan || !scan->scan_response || !scan->scan_response->entries)
1801 return scan->scan_response->entries->num_entries;
1804 ZOOM_API(const char *)
1805 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
1808 const char *term = 0;
1809 size_t noent = ZOOM_scanset_size (scan);
1810 Z_ScanResponse *res = scan->scan_response;
1816 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1818 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1820 if (t->term->which == Z_Term_general)
1822 term = (const char *) t->term->u.general->buf;
1823 *len = t->term->u.general->len;
1825 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1830 ZOOM_API(const char *)
1831 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
1833 return ZOOM_options_get (scan->options, key);
1837 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
1840 ZOOM_options_set (scan->options, key, val);
1843 static Z_APDU *create_es_package (ZOOM_package p, int type)
1846 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
1847 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
1849 *req->function = Z_ExtendedServicesRequest_create;
1851 str = ZOOM_options_get(p->options, "package-name");
1853 req->packageName = nmem_strdup (p->odr_out->mem, str);
1855 str = ZOOM_options_get(p->options, "user-id");
1857 req->userId = nmem_strdup (p->odr_out->mem, str);
1859 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
1862 str = ZOOM_options_get(p->options, "function");
1865 if (!strcmp (str, "create"))
1867 if (!strcmp (str, "delete"))
1869 if (!strcmp (str, "modify"))
1875 static const char *ill_array_lookup (void *clientData, const char *idx)
1877 ZOOM_package p = (ZOOM_package) clientData;
1878 return ZOOM_options_get (p->options, idx+4);
1881 static Z_External *encode_ill_request (ZOOM_package p)
1883 ODR out = p->odr_out;
1886 struct ill_get_ctl ctl;
1888 ctl.odr = p->odr_out;
1890 ctl.f = ill_array_lookup;
1892 req = ill_get_ILLRequest(&ctl, "ill", 0);
1894 if (!ill_Request (out, &req, 0, 0))
1896 int ill_request_size;
1897 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
1898 if (ill_request_buf)
1899 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
1905 int illRequest_size = 0;
1906 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
1908 oid.proto = PROTO_GENERAL;
1909 oid.oclass = CLASS_GENERAL;
1910 oid.value = VAL_ISO_ILL_1;
1912 r = (Z_External *) odr_malloc (out, sizeof(*r));
1913 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
1914 r->indirect_reference = 0;
1916 r->which = Z_External_single;
1918 r->u.single_ASN1_type = (Odr_oct *)
1919 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
1920 r->u.single_ASN1_type->buf = (unsigned char*)
1921 odr_malloc (out, illRequest_size);
1922 r->u.single_ASN1_type->len = illRequest_size;
1923 r->u.single_ASN1_type->size = illRequest_size;
1924 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
1929 static Z_ItemOrder *encode_item_order(ZOOM_package p)
1931 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
1934 req->which=Z_IOItemOrder_esRequest;
1935 req->u.esRequest = (Z_IORequest *)
1936 odr_malloc(p->odr_out,sizeof(Z_IORequest));
1938 /* to keep part ... */
1939 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
1940 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
1941 req->u.esRequest->toKeep->supplDescription = 0;
1942 req->u.esRequest->toKeep->contact = (Z_IOContact *)
1943 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
1945 str = ZOOM_options_get(p->options, "contact-name");
1946 req->u.esRequest->toKeep->contact->name = str ?
1947 nmem_strdup (p->odr_out->mem, str) : 0;
1949 str = ZOOM_options_get(p->options, "contact-phone");
1950 req->u.esRequest->toKeep->contact->phone = str ?
1951 nmem_strdup (p->odr_out->mem, str) : 0;
1953 str = ZOOM_options_get(p->options, "contact-email");
1954 req->u.esRequest->toKeep->contact->email = str ?
1955 nmem_strdup (p->odr_out->mem, str) : 0;
1957 req->u.esRequest->toKeep->addlBilling = 0;
1959 /* not to keep part ... */
1960 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
1961 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
1963 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
1964 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
1966 str = ZOOM_options_get(p->options, "itemorder-setname");
1969 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
1970 nmem_strdup (p->odr_out->mem, str);
1971 req->u.esRequest->notToKeep->resultSetItem->item =
1972 (int *) odr_malloc(p->odr_out, sizeof(int));
1974 str = ZOOM_options_get(p->options, "itemorder-item");
1975 *req->u.esRequest->notToKeep->resultSetItem->item =
1976 (str ? atoi(str) : 1);
1978 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
1984 ZOOM_package_send (ZOOM_package p, const char *type)
1991 odr_reset (p->odr_out);
1994 if (!strcmp(type, "itemorder"))
1997 apdu = create_es_package (p, VAL_ITEMORDER);
2000 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2002 r->direct_reference =
2003 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2006 r->which = Z_External_itemOrder;
2007 r->indirect_reference = 0;
2008 r->u.itemOrder = encode_item_order (p);
2010 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2015 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2019 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2020 task->u.package = p;
2021 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2022 p->buf_out = (char *) xmalloc (p->len_out);
2023 memcpy (p->buf_out, buf, p->len_out);
2028 while (ZOOM_event (1, &c))
2035 ZOOM_API(ZOOM_package)
2036 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2038 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2041 p->odr_out = odr_createmem (ODR_ENCODE);
2042 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2050 ZOOM_package_destroy(ZOOM_package p)
2055 if (p->refcount == 0)
2057 odr_destroy (p->odr_out);
2060 ZOOM_options_destroy (p->options);
2065 ZOOM_API(const char *)
2066 ZOOM_package_option_get (ZOOM_package p, const char *key)
2068 return ZOOM_options_get (p->options, key);
2072 static zoom_ret ZOOM_srw_search(ZOOM_connection c, ZOOM_resultset r,
2076 struct xcql__operandType *xQuery = 0;
2078 xsd__integer startRecord = r->start + 1;
2079 xsd__integer maximumRecord = r->count;
2080 const char *schema = ZOOM_resultset_option_get (r, "schema");
2081 struct zs__searchRetrieveResponse res;
2082 xsd__string recordPacking = 0;
2086 schema = "http://www.loc.gov/marcxml/";
2088 ret = soap_call_zs__searchRetrieveRequest(c->soap, c->host_port,
2090 &r->z_query->u.type_104->u.cql,
2093 &startRecord, &maximumRecord,
2099 const char **s = soap_faultdetail(c->soap);
2103 c->addinfo = xstrdup(*s);
2104 c->diagset = "SOAP";
2109 if (res.diagnostics.__sizeDiagnostics > 0)
2115 c->error = res.diagnostics.diagnostic[i]->code;
2116 if (res.diagnostics.diagnostic[i]->details)
2118 xstrdup(res.diagnostics.diagnostic[i]->details);
2124 r->size = res.numberOfRecords;
2125 if (res.resultSetId)
2126 r->setname = xstrdup(res.resultSetId);
2127 for (i = 0; i < res.records.__sizeRecords; i++)
2129 char *rdata = res.records.record[i]->recordData;
2132 Z_NamePlusRecord *npr =
2133 odr_malloc(r->odr, sizeof(*npr));
2135 z_ext_record(r->odr, VAL_TEXT_XML,
2136 rdata, strlen(rdata));
2137 npr->databaseName = 0;
2138 npr->which = Z_NamePlusRecord_databaseRecord;
2139 npr->u.databaseRecord = ext;
2140 record_cache_add (r, npr, r->start + i);
2145 return zoom_complete;
2150 ZOOM_package_option_set (ZOOM_package p, const char *key,
2153 ZOOM_options_set (p->options, key, val);
2156 static int ZOOM_connection_exec_task (ZOOM_connection c)
2158 ZOOM_task task = c->tasks;
2159 zoom_ret ret = zoom_complete;
2163 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2166 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2167 task->which, task->running);
2168 if (c->error != ZOOM_ERROR_NONE)
2170 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2171 ZOOM_connection_remove_tasks (c);
2176 yaz_log (LOG_DEBUG, "task already running");
2180 ret = zoom_complete;
2182 if (c->proto == PROTO_SRW)
2184 ZOOM_resultset resultset;
2185 switch (task->which)
2187 case ZOOM_TASK_SEARCH:
2188 resultset = c->tasks->u.search.resultset;
2189 if (resultset->z_query &&
2190 resultset->z_query->which == Z_Query_type_104
2191 && resultset->z_query->u.type_104->which == Z_External_CQL)
2192 ret = ZOOM_srw_search(c, resultset,
2193 resultset->z_query->u.type_104->u.cql);
2195 case ZOOM_TASK_RETRIEVE:
2196 resultset = c->tasks->u.retrieve.resultset;
2197 resultset->start = c->tasks->u.retrieve.start;
2198 resultset->count = c->tasks->u.retrieve.count;
2200 if (resultset->start >= resultset->size)
2201 return zoom_complete;
2202 if (resultset->start + resultset->count > resultset->size)
2203 resultset->count = resultset->size - resultset->start;
2205 if (resultset->z_query &&
2206 resultset->z_query->which == Z_Query_type_104
2207 && resultset->z_query->u.type_104->which == Z_External_CQL)
2208 ret = ZOOM_srw_search(c, resultset,
2209 resultset->z_query->u.type_104->u.cql);
2213 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2215 switch (task->which)
2217 case ZOOM_TASK_SEARCH:
2218 if (c->proto == PROTO_SRW)
2219 ret = ZOOM_connection_srw_send_search(c);
2221 ret = ZOOM_connection_send_search(c);
2223 case ZOOM_TASK_RETRIEVE:
2224 ret = send_present (c);
2226 case ZOOM_TASK_CONNECT:
2227 ret = do_connect(c);
2229 case ZOOM_TASK_SCAN:
2232 case ZOOM_TASK_PACKAGE:
2233 ret = send_package(c);
2239 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2240 ZOOM_connection_remove_tasks (c);
2242 if (ret == zoom_complete)
2244 yaz_log (LOG_DEBUG, "task removed (complete)");
2245 ZOOM_connection_remove_task (c);
2248 yaz_log (LOG_DEBUG, "task pending");
2252 static zoom_ret send_sort_present (ZOOM_connection c)
2254 zoom_ret r = send_sort (c);
2255 if (r == zoom_complete)
2256 r = send_present (c);
2260 static int es_response (ZOOM_connection c,
2261 Z_ExtendedServicesResponse *res)
2263 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2265 if (res->diagnostics && res->num_diagnostics > 0)
2266 response_diag(c, res->diagnostics[0]);
2267 if (res->taskPackage &&
2268 res->taskPackage->which == Z_External_extendedService)
2270 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2271 Odr_oct *id = taskPackage->targetReference;
2274 ZOOM_options_setl (c->tasks->u.package->options,
2275 "targetReference", (char*) id->buf, id->len);
2281 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2283 Z_InitResponse *initrs;
2286 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2289 case Z_APDU_initResponse:
2290 initrs = apdu->u.initResponse;
2291 ZOOM_connection_option_set(c, "targetImplementationId",
2292 initrs->implementationId ?
2293 initrs->implementationId : "");
2294 ZOOM_connection_option_set(c, "targetImplementationName",
2295 initrs->implementationName ?
2296 initrs->implementationName : "");
2297 ZOOM_connection_option_set(c, "targetImplementationVersion",
2298 initrs->implementationVersion ?
2299 initrs->implementationVersion : "");
2300 if (!*initrs->result)
2302 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2307 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2309 xfree (c->cookie_in);
2312 c->cookie_in = xstrdup(cookie);
2313 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2314 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2315 c->support_named_resultsets = 1;
2318 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2319 ZOOM_connection_remove_task (c);
2321 ZOOM_connection_exec_task (c);
2323 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2325 NMEM tmpmem = nmem_create();
2326 Z_CharSetandLanguageNegotiation *p =
2327 yaz_get_charneg_record(initrs->otherInfo);
2331 char *charset=NULL, *lang=NULL;
2334 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2335 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2336 "language %s, select %d",
2337 charset ? charset : "none", lang ? lang : "none", sel);
2339 ZOOM_connection_option_set (c, "negotiation-charset",
2342 ZOOM_connection_option_set (c, "negotiation-lang",
2344 nmem_destroy(tmpmem);
2348 case Z_APDU_searchResponse:
2349 handle_search_response (c, apdu->u.searchResponse);
2350 if (send_sort_present (c) == zoom_complete)
2351 ZOOM_connection_remove_task (c);
2353 case Z_APDU_presentResponse:
2354 handle_present_response (c, apdu->u.presentResponse);
2355 if (send_present (c) == zoom_complete)
2356 ZOOM_connection_remove_task (c);
2358 case Z_APDU_sortResponse:
2359 sort_response (c, apdu->u.sortResponse);
2360 if (send_present (c) == zoom_complete)
2361 ZOOM_connection_remove_task (c);
2363 case Z_APDU_scanResponse:
2364 scan_response (c, apdu->u.scanResponse);
2365 ZOOM_connection_remove_task (c);
2367 case Z_APDU_extendedServicesResponse:
2368 es_response (c, apdu->u.extendedServicesResponse);
2369 ZOOM_connection_remove_task (c);
2372 if (c->reconnect_ok)
2375 c->tasks->running = 0;
2376 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2380 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2385 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2390 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2393 yaz_log (LOG_DEBUG, "handle_http");
2394 ZOOM_connection_remove_task(c);
2397 static int do_read (ZOOM_connection c)
2402 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2403 ZOOM_connection_put_event (c, event);
2405 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2407 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2412 if (c->reconnect_ok)
2415 c->reconnect_ok = 0;
2416 yaz_log (LOG_DEBUG, "reconnect read");
2417 c->tasks->running = 0;
2418 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2422 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2430 odr_reset (c->odr_in);
2431 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2432 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2433 ZOOM_connection_put_event (c, event);
2435 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2437 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2440 else if (gdu->which == Z_GDU_Z3950)
2441 handle_apdu (c, gdu->u.z3950);
2442 else if (gdu->which == Z_GDU_HTTP_Response)
2443 handle_http (c, gdu->u.HTTP_Response);
2444 c->reconnect_ok = 0;
2449 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2454 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2455 ZOOM_connection_put_event (c, event);
2457 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2458 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2460 if (c->reconnect_ok)
2463 c->reconnect_ok = 0;
2464 yaz_log (LOG_DEBUG, "reconnect write");
2465 c->tasks->running = 0;
2466 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2467 return zoom_complete;
2469 if (c->state == STATE_CONNECTING)
2470 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2472 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2474 return zoom_complete;
2478 c->mask = ZOOM_SELECT_EXCEPT;
2479 if (c->cs->io_pending & CS_WANT_WRITE)
2480 c->mask += ZOOM_SELECT_WRITE;
2481 if (c->cs->io_pending & CS_WANT_READ)
2482 c->mask += ZOOM_SELECT_READ;
2483 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2487 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2488 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2490 return zoom_pending;
2493 static zoom_ret do_write(ZOOM_connection c)
2495 return do_write_ex (c, c->buf_out, c->len_out);
2499 ZOOM_API(const char *)
2500 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2502 return ZOOM_options_get (c->options, key);
2506 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2509 ZOOM_options_set (c->options, key, val);
2512 ZOOM_API(const char *)
2513 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2515 return ZOOM_options_get (r->options, key);
2519 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2522 ZOOM_options_set (r->options, key, val);
2527 ZOOM_connection_errcode (ZOOM_connection c)
2529 return ZOOM_connection_error (c, 0, 0);
2532 ZOOM_API(const char *)
2533 ZOOM_connection_errmsg (ZOOM_connection c)
2536 ZOOM_connection_error (c, &msg, 0);
2540 ZOOM_API(const char *)
2541 ZOOM_connection_addinfo (ZOOM_connection c)
2543 const char *addinfo;
2544 ZOOM_connection_error (c, 0, &addinfo);
2548 ZOOM_API(const char *)
2549 ZOOM_diag_str (int error)
2553 case ZOOM_ERROR_NONE:
2555 case ZOOM_ERROR_CONNECT:
2556 return "Connect failed";
2557 case ZOOM_ERROR_MEMORY:
2558 return "Out of memory";
2559 case ZOOM_ERROR_ENCODE:
2560 return "Encoding failed";
2561 case ZOOM_ERROR_DECODE:
2562 return "Decoding failed";
2563 case ZOOM_ERROR_CONNECTION_LOST:
2564 return "Connection lost";
2565 case ZOOM_ERROR_INIT:
2566 return "Init rejected";
2567 case ZOOM_ERROR_INTERNAL:
2568 return "Internal failure";
2569 case ZOOM_ERROR_TIMEOUT:
2571 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2572 return "Unsupported protocol";
2574 return diagbib1_str (error);
2579 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2580 const char **addinfo, const char **diagset)
2582 int error = c->error;
2586 *cp = ZOOM_diag_str(error);
2588 else if (!strcmp(c->diagset, "SRW"))
2589 *cp = yaz_srw_diag_str(error);
2590 else if (c->soap && !strcmp(c->diagset, "SOAP"))
2592 const char **s = soap_faultstring(c->soap);
2600 *cp = ZOOM_diag_str(error);
2603 *addinfo = c->addinfo ? c->addinfo : "";
2605 *diagset = c->diagset ? c->diagset : "";
2610 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2611 const char **addinfo)
2613 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2616 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2618 ZOOM_Event event = 0;
2619 int r = cs_look(c->cs);
2620 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2625 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2626 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2628 ZOOM_connection_put_event (c, event);
2630 else if (r == CS_CONNECT)
2633 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2635 ret = cs_rcvconnect (c->cs);
2636 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2639 c->mask = ZOOM_SELECT_EXCEPT;
2640 if (c->cs->io_pending & CS_WANT_WRITE)
2641 c->mask += ZOOM_SELECT_WRITE;
2642 if (c->cs->io_pending & CS_WANT_READ)
2643 c->mask += ZOOM_SELECT_READ;
2644 ZOOM_connection_put_event (c, event);
2648 ZOOM_connection_put_event (c, event);
2649 if (c->proto == PROTO_Z3950)
2650 ZOOM_connection_send_init(c);
2653 /* no init request for SRW .. */
2654 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2655 ZOOM_connection_remove_task (c);
2657 ZOOM_connection_exec_task (c);
2659 c->state = STATE_ESTABLISHED;
2663 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2665 ZOOM_connection_put_event (c, event);
2670 if (mask & ZOOM_SELECT_READ)
2672 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2679 ZOOM_connection_last_event(ZOOM_connection cs)
2682 return ZOOM_EVENT_NONE;
2683 return cs->last_event;
2687 ZOOM_event (int no, ZOOM_connection *cs)
2691 struct pollfd pollfds[1024];
2692 ZOOM_connection poll_cs[1024];
2695 fd_set input, output, except;
2700 for (i = 0; i<no; i++)
2702 ZOOM_connection c = cs[i];
2704 if (c && (event = ZOOM_connection_get_event(c)))
2706 ZOOM_Event_destroy (event);
2710 for (i = 0; i<no; i++)
2712 ZOOM_connection c = cs[i];
2714 if (c && ZOOM_connection_exec_task (c))
2716 if ((event = ZOOM_connection_get_event(c)))
2718 ZOOM_Event_destroy (event);
2731 for (i = 0; i<no; i++)
2733 ZOOM_connection c = cs[i];
2739 fd = z3950_connection_socket(c);
2740 mask = z3950_connection_mask(c);
2747 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
2748 if (this_timeout != -1 && this_timeout < timeout)
2749 timeout = this_timeout;
2753 short poll_events = 0;
2755 if (mask & ZOOM_SELECT_READ)
2756 poll_events += POLLIN;
2757 if (mask & ZOOM_SELECT_WRITE)
2758 poll_events += POLLOUT;
2759 if (mask & ZOOM_SELECT_EXCEPT)
2760 poll_events += POLLERR;
2761 pollfds[nfds].fd = fd;
2762 pollfds[nfds].events = poll_events;
2763 pollfds[nfds].revents = 0;
2768 if (mask & ZOOM_SELECT_READ)
2770 FD_SET (fd, &input);
2773 if (mask & ZOOM_SELECT_WRITE)
2775 FD_SET (fd, &output);
2778 if (mask & ZOOM_SELECT_EXCEPT)
2780 FD_SET (fd, &except);
2785 if (timeout >= 5000)
2792 r = poll (pollfds, nfds, timeout * 1000);
2793 for (i = 0; i<nfds; i++)
2795 ZOOM_connection c = poll_cs[i];
2799 if (pollfds[i].revents & POLLIN)
2800 mask += ZOOM_SELECT_READ;
2801 if (pollfds[i].revents & POLLOUT)
2802 mask += ZOOM_SELECT_WRITE;
2803 if (pollfds[i].revents & POLLERR)
2804 mask += ZOOM_SELECT_EXCEPT;
2806 ZOOM_connection_do_io(c, mask);
2808 else if (r == 0 && c->mask)
2810 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2811 /* timeout and this connection was waiting */
2812 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
2814 ZOOM_connection_put_event(c, event);
2818 tv.tv_sec = timeout;
2820 yaz_log (LOG_DEBUG, "select start");
2821 r = select (max_fd+1, &input, &output, &except, &tv);
2822 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
2823 for (i = 0; i<no; i++)
2825 ZOOM_connection c = cs[i];
2830 fd = z3950_connection_socket(c);
2834 /* no timeout and real socket */
2835 if (FD_ISSET(fd, &input))
2836 mask += ZOOM_SELECT_READ;
2837 if (FD_ISSET(fd, &output))
2838 mask += ZOOM_SELECT_WRITE;
2839 if (FD_ISSET(fd, &except))
2840 mask += ZOOM_SELECT_EXCEPT;
2842 ZOOM_connection_do_io(c, mask);
2844 if (r == 0 && c->mask)
2846 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2847 /* timeout and this connection was waiting */
2848 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
2850 yaz_log (LOG_DEBUG, "timeout");
2851 ZOOM_connection_put_event(c, event);
2855 for (i = 0; i<no; i++)
2857 ZOOM_connection c = cs[i];
2859 if (c && (event = ZOOM_connection_get_event(c)))
2861 ZOOM_Event_destroy (event);