2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.34 2003-05-14 20:58:07 adam Exp $
7 * ZOOM layer for C, connections, result sets, queries.
13 #include <yaz/yaz-util.h>
14 #include <yaz/xmalloc.h>
15 #include <yaz/otherinfo.h>
17 #include <yaz/pquery.h>
18 #include <yaz/marcdisp.h>
19 #include <yaz/diagbib1.h>
20 #include <yaz/charneg.h>
33 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c);
34 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out);
36 static ZOOM_Event ZOOM_Event_create (int kind)
38 ZOOM_Event event = (ZOOM_Event) xmalloc (sizeof(*event));
45 static void ZOOM_Event_destroy (ZOOM_Event event)
50 static void ZOOM_connection_put_event (ZOOM_connection c, ZOOM_Event event)
54 c->m_queue_back->prev = event;
55 assert (c->m_queue_front);
59 assert (!c->m_queue_front);
60 c->m_queue_front = event;
62 event->next = c->m_queue_back;
64 c->m_queue_back = event;
67 static ZOOM_Event ZOOM_connection_get_event(ZOOM_connection c)
69 ZOOM_Event event = c->m_queue_front;
72 c->last_event = ZOOM_EVENT_NONE;
75 assert (c->m_queue_back);
76 c->m_queue_front = event->prev;
79 assert (c->m_queue_back);
80 c->m_queue_front->next = 0;
84 c->last_event = event->kind;
89 static void set_dset_error (ZOOM_connection c, int error,
91 const char *addinfo, const char *addinfo2)
97 if (addinfo && addinfo2)
99 c->addinfo = xmalloc(strlen(addinfo) + strlen(addinfo2) + 2);
100 strcpy(c->addinfo, addinfo);
101 strcat(c->addinfo, addinfo2);
104 c->addinfo = xstrdup(addinfo);
106 yaz_log(LOG_DEBUG, "Error %s %s:%d %s %s",
107 c->host_port ? c->host_port : "<>", dset, error,
108 addinfo ? addinfo : "",
109 addinfo2 ? addinfo2 : "");
113 static void set_HTTP_error (ZOOM_connection c, int error,
114 const char *addinfo, const char *addinfo2)
116 set_dset_error(c, error, "HTTP", addinfo, addinfo2);
120 static void set_ZOOM_error (ZOOM_connection c, int error,
123 set_dset_error(c, error, "ZOOM", addinfo, 0);
126 static void clear_error (ZOOM_connection c)
131 case ZOOM_ERROR_CONNECT:
132 case ZOOM_ERROR_MEMORY:
133 case ZOOM_ERROR_DECODE:
134 case ZOOM_ERROR_CONNECTION_LOST:
135 case ZOOM_ERROR_INIT:
136 case ZOOM_ERROR_INTERNAL:
137 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
140 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
144 ZOOM_task ZOOM_connection_add_task (ZOOM_connection c, int which)
146 ZOOM_task *taskp = &c->tasks;
148 taskp = &(*taskp)->next;
149 *taskp = (ZOOM_task) xmalloc (sizeof(**taskp));
150 (*taskp)->running = 0;
151 (*taskp)->which = which;
157 ZOOM_task ZOOM_connection_insert_task (ZOOM_connection c, int which)
159 ZOOM_task task = (ZOOM_task) xmalloc (sizeof(*task));
161 task->next = c->tasks;
170 void ZOOM_connection_remove_task (ZOOM_connection c)
172 ZOOM_task task = c->tasks;
176 c->tasks = task->next;
179 case ZOOM_TASK_SEARCH:
181 ZOOM_resultset_destroy (task->u.search.resultset);
183 case ZOOM_TASK_RETRIEVE:
184 ZOOM_resultset_destroy (task->u.retrieve.resultset);
186 case ZOOM_TASK_CONNECT:
189 ZOOM_scanset_destroy (task->u.scan.scan);
191 case ZOOM_TASK_PACKAGE:
192 ZOOM_package_destroy (task->u.package);
201 static int ZOOM_connection_exec_task (ZOOM_connection c);
203 void ZOOM_connection_remove_tasks (ZOOM_connection c)
206 ZOOM_connection_remove_task(c);
209 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos);
211 ZOOM_API(ZOOM_connection)
212 ZOOM_connection_create (ZOOM_options options)
214 ZOOM_connection c = (ZOOM_connection) xmalloc (sizeof(*c));
216 c->proto = PROTO_Z3950;
220 c->state = STATE_IDLE;
222 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
229 c->options = ZOOM_options_create_with_parent(options);
235 c->charset = c->lang = 0;
242 c->odr_in = odr_createmem (ODR_DECODE);
243 c->odr_out = odr_createmem (ODR_ENCODE);
246 c->support_named_resultsets = 0;
247 c->last_event = ZOOM_EVENT_NONE;
249 c->m_queue_front = 0;
254 /* set database names. Take local databases (if set); otherwise
255 take databases given in ZURL (if set); otherwise use Default */
256 static char **set_DatabaseNames (ZOOM_connection con, ZOOM_options options,
259 char **databaseNames;
262 const char *cp = ZOOM_options_get (options, "databaseName");
266 if (strncmp (con->host_port, "unix:", 5) == 0)
267 cp = strchr (con->host_port+5, ':');
269 cp = strchr (con->host_port, '/');
276 while ((c = strchr(c, '+')))
284 databaseNames = (char**)
285 odr_malloc (con->odr_out, no * sizeof(*databaseNames));
289 c = strchr (cp, '+');
297 /* cp ptr to first char of db name, c is char
299 databaseNames[no] = (char*) odr_malloc (con->odr_out, 1+c-cp);
300 memcpy (databaseNames[no], cp, c-cp);
301 databaseNames[no++][c-cp] = '\0';
306 databaseNames[no] = NULL;
308 return databaseNames;
311 ZOOM_API(ZOOM_connection)
312 ZOOM_connection_new (const char *host, int portnum)
314 ZOOM_connection c = ZOOM_connection_create (0);
316 ZOOM_connection_connect (c, host, portnum);
321 ZOOM_connection_connect(ZOOM_connection c,
322 const char *host, int portnum)
329 yaz_log (LOG_DEBUG, "reconnect");
333 yaz_log(LOG_DEBUG, "connect");
335 val = ZOOM_options_get (c->options, "proxy");
337 c->proxy = xstrdup (val);
342 val = ZOOM_options_get (c->options, "charset");
344 c->charset = xstrdup (val);
349 val = ZOOM_options_get (c->options, "lang");
351 c->lang = xstrdup (val);
355 xfree (c->host_port);
359 sprintf (hostn, "%.80s:%d", host, portnum);
360 c->host_port = xstrdup(hostn);
363 c->host_port = xstrdup(host);
365 ZOOM_options_set(c->options, "host", c->host_port);
367 val = ZOOM_options_get (c->options, "cookie");
369 c->cookie_out = xstrdup (val);
371 val = ZOOM_options_get (c->options, "clientIP");
373 c->client_IP = xstrdup (val);
375 c->async = ZOOM_options_get_bool (c->options, "async", 0);
377 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
379 task = ZOOM_connection_add_task (c, ZOOM_TASK_CONNECT);
383 while (ZOOM_event (1, &c))
389 ZOOM_query_create(void)
391 ZOOM_query s = (ZOOM_query) xmalloc (sizeof(*s));
396 s->odr = odr_createmem (ODR_ENCODE);
403 ZOOM_query_destroy(ZOOM_query s)
409 yaz_log (LOG_DEBUG, "ZOOM_query_destroy count=%d", s->refcount);
410 if (s->refcount == 0)
412 odr_destroy (s->odr);
418 ZOOM_query_prefix(ZOOM_query s, const char *str)
420 s->query_string = odr_strdup(s->odr, str);
421 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
422 s->z_query->which = Z_Query_type_1;
423 s->z_query->u.type_1 = p_query_rpn(s->odr, PROTO_Z3950, str);
424 if (!s->z_query->u.type_1)
430 ZOOM_query_cql(ZOOM_query s, const char *str)
434 s->query_string = odr_strdup(s->odr, str);
436 ext = (Z_External *) odr_malloc(s->odr, sizeof(*ext));
437 ext->direct_reference = odr_getoidbystr(s->odr, "1.2.840.10003.16.2");
438 ext->indirect_reference = 0;
440 ext->which = Z_External_CQL;
441 ext->u.cql = s->query_string;
443 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
444 s->z_query->which = Z_Query_type_104;
445 s->z_query->u.type_104 = ext;
451 ZOOM_query_sortby(ZOOM_query s, const char *criteria)
453 s->sort_spec = yaz_sort_spec (s->odr, criteria);
459 static zoom_ret do_write(ZOOM_connection c);
462 ZOOM_connection_destroy(ZOOM_connection c)
469 for (r = c->resultsets; r; r = r->next)
474 odr_destroy (c->odr_in);
475 odr_destroy (c->odr_out);
476 ZOOM_options_destroy (c->options);
477 ZOOM_connection_remove_tasks (c);
478 xfree (c->host_port);
483 xfree (c->cookie_out);
484 xfree (c->cookie_in);
485 xfree (c->client_IP);
489 void ZOOM_resultset_addref (ZOOM_resultset r)
494 yaz_log (LOG_DEBUG, "ZOOM_resultset_addref r=%p count=%d",
498 ZOOM_resultset ZOOM_resultset_create ()
500 ZOOM_resultset r = (ZOOM_resultset) xmalloc (sizeof(*r));
502 yaz_log (LOG_DEBUG, "ZOOM_resultset_create r = %p", r);
505 r->odr = odr_createmem (ODR_ENCODE);
519 ZOOM_API(ZOOM_resultset)
520 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
523 ZOOM_query s = ZOOM_query_create();
525 ZOOM_query_prefix (s, q);
527 r = ZOOM_connection_search (c, s);
528 ZOOM_query_destroy (s);
532 ZOOM_API(ZOOM_resultset)
533 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
535 ZOOM_resultset r = ZOOM_resultset_create ();
539 r->r_sort_spec = q->sort_spec;
542 r->options = ZOOM_options_create_with_parent(c->options);
544 r->start = ZOOM_options_get_int(r->options, "start", 0);
545 r->count = ZOOM_options_get_int(r->options, "count", 0);
546 r->piggyback = ZOOM_options_get_bool (r->options, "piggyback", 1);
547 cp = ZOOM_options_get (r->options, "setname");
549 r->setname = xstrdup(cp);
550 cp = ZOOM_options_get (r->options, "schema");
552 r->schema = xstrdup(cp);
556 r->next = c->resultsets;
559 if (c->host_port && c->proto == PROTO_HTTP)
563 yaz_log(LOG_DEBUG, "NO COMSTACK");
564 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
568 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
573 task = ZOOM_connection_add_task (c, ZOOM_TASK_SEARCH);
574 task->u.search.resultset = r;
575 ZOOM_resultset_addref (r);
581 while (ZOOM_event (1, &c))
588 ZOOM_resultset_destroy(ZOOM_resultset r)
593 yaz_log (LOG_DEBUG, "ZOOM_resultset_destroy r = %p count=%d",
595 if (r->refcount == 0)
597 ZOOM_record_cache rc;
599 for (rc = r->record_cache; rc; rc = rc->next)
600 if (rc->rec.wrbuf_marc)
601 wrbuf_free (rc->rec.wrbuf_marc, 1);
604 /* remove ourselves from the resultsets in connection */
605 ZOOM_resultset *rp = &r->connection->resultsets;
608 assert (*rp); /* we must be in this list!! */
610 { /* OK, we're here - take us out of it */
617 ZOOM_query_destroy (r->query);
618 ZOOM_options_destroy (r->options);
619 odr_destroy (r->odr);
627 ZOOM_resultset_size (ZOOM_resultset r)
632 static void do_close (ZOOM_connection c)
638 c->state = STATE_IDLE;
641 static void ZOOM_resultset_retrieve (ZOOM_resultset r,
642 int force_sync, int start, int count)
654 if (c->host_port && c->proto == PROTO_HTTP)
658 yaz_log(LOG_DEBUG, "NO COMSTACK");
659 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
663 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
667 task = ZOOM_connection_add_task (c, ZOOM_TASK_RETRIEVE);
668 task->u.retrieve.resultset = r;
669 task->u.retrieve.start = start;
670 task->u.retrieve.count = count;
672 cp = ZOOM_options_get (r->options, "schema");
675 if (!r->schema || strcmp(r->schema, cp))
678 r->schema = xstrdup(cp);
682 ZOOM_resultset_addref (r);
684 if (!r->connection->async || force_sync)
685 while (r->connection && ZOOM_event (1, &r->connection))
690 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
691 size_t start, size_t count)
693 int force_present = 0;
699 ZOOM_resultset_retrieve (r, force_present, start, count);
703 for (i = 0; i< count; i++)
704 recs[i] = ZOOM_resultset_record_immediate (r, i+start);
708 static zoom_ret do_connect (ZOOM_connection c)
711 const char *effective_host;
714 effective_host = c->proxy;
716 effective_host = c->host_port;
718 yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
721 c->cs = cs_create_host (effective_host, 0, &add);
723 if (c->cs && c->cs->protocol == PROTO_HTTP)
726 const char *path = 0;
728 c->proto = PROTO_HTTP;
729 cs_get_host_args(c->host_port, &path);
731 c->path = xmalloc(strlen(path)+2);
733 strcpy (c->path+1, path);
735 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
737 return zoom_complete;
742 int ret = cs_connect (c->cs, add);
745 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
746 ZOOM_connection_put_event(c, event);
747 if (c->proto == PROTO_Z3950)
748 ZOOM_connection_send_init(c);
751 /* no init request for SRW .. */
752 assert (c->tasks->which == ZOOM_TASK_CONNECT);
753 ZOOM_connection_remove_task (c);
755 ZOOM_connection_exec_task (c);
757 c->state = STATE_ESTABLISHED;
762 c->state = STATE_CONNECTING;
763 c->mask = ZOOM_SELECT_EXCEPT;
764 if (c->cs->io_pending & CS_WANT_WRITE)
765 c->mask += ZOOM_SELECT_WRITE;
766 if (c->cs->io_pending & CS_WANT_READ)
767 c->mask += ZOOM_SELECT_READ;
771 c->state = STATE_IDLE;
772 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
773 return zoom_complete;
776 int z3950_connection_socket(ZOOM_connection c)
779 return cs_fileno(c->cs);
783 int z3950_connection_mask(ZOOM_connection c)
790 static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
793 for (i = 0; i<200; i++)
796 Z_OtherInformation **oi;
802 sprintf (buf, "otherInfo%d", i);
803 val = ZOOM_options_get (c->options, buf);
806 cp = strchr (val, ':');
810 if (len >= sizeof(buf))
812 memcpy (buf, val, len);
814 oidval = oid_getvalbyname (buf);
815 if (oidval == VAL_NONE)
819 yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
823 static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
828 Z_OtherInformation **oi;
830 yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
834 Z_OtherInformation **oi;
836 yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
838 otherInfo_attach (c, a, out);
839 if (!z_APDU(out, &a, 0, 0))
841 FILE *outf = fopen("/tmp/apdu.txt", "a");
844 ODR odr_pr = odr_createmem(ODR_PRINT);
845 fprintf (outf, "a=%p\n", a);
846 odr_setprint(odr_pr, outf);
847 z_APDU(odr_pr, &a, 0, 0);
850 yaz_log (LOG_DEBUG, "encoding failed");
851 set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
859 static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
863 if (encode_APDU(c, a, c->odr_out))
864 return zoom_complete;
865 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
866 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
867 ZOOM_connection_put_event (c, event);
868 odr_reset(c->odr_out);
872 /* returns 1 if PDU was sent OK (still pending )
873 0 if PDU was not sent OK (nothing to wait for)
876 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
879 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
880 Z_InitRequest *ireq = apdu->u.initRequest;
881 Z_IdAuthentication *auth = (Z_IdAuthentication *)
882 odr_malloc(c->odr_out, sizeof(*auth));
883 const char *auth_groupId = ZOOM_options_get (c->options, "group");
884 const char *auth_userId = ZOOM_options_get (c->options, "user");
885 const char *auth_password = ZOOM_options_get (c->options, "pass");
887 ODR_MASK_SET(ireq->options, Z_Options_search);
888 ODR_MASK_SET(ireq->options, Z_Options_present);
889 ODR_MASK_SET(ireq->options, Z_Options_scan);
890 ODR_MASK_SET(ireq->options, Z_Options_sort);
891 ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
892 ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
894 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
895 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
896 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
898 impname = ZOOM_options_get (c->options, "implementationName");
899 ireq->implementationName =
900 (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
901 strcpy (ireq->implementationName, "");
904 strcat (ireq->implementationName, impname);
905 strcat (ireq->implementationName, "/");
907 strcat (ireq->implementationName, "ZOOM-C/YAZ");
909 *ireq->maximumRecordSize =
910 ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
911 *ireq->preferredMessageSize =
912 ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
914 if (auth_groupId || auth_password)
916 Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
919 if (auth_groupId && *auth_groupId)
921 pass->groupId = (char *)
922 odr_malloc(c->odr_out, strlen(auth_groupId)+1);
923 strcpy(pass->groupId, auth_groupId);
927 if (auth_userId && *auth_userId)
929 pass->userId = (char *)
930 odr_malloc(c->odr_out, strlen(auth_userId)+1);
931 strcpy(pass->userId, auth_userId);
935 if (auth_password && *auth_password)
937 pass->password = (char *)
938 odr_malloc(c->odr_out, strlen(auth_password)+1);
939 strcpy(pass->password, auth_password);
944 auth->which = Z_IdAuthentication_idPass;
945 auth->u.idPass = pass;
946 ireq->idAuthentication = auth;
949 else if (auth_userId)
951 auth->which = Z_IdAuthentication_open;
952 auth->u.open = (char *)
953 odr_malloc(c->odr_out, strlen(auth_userId)+1);
954 strcpy(auth->u.open, auth_userId);
955 ireq->idAuthentication = auth;
958 yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
959 VAL_PROXY, 1, c->host_port);
960 if (c->charset||c->lang)
962 Z_OtherInformation **oi;
963 Z_OtherInformationUnit *oi_unit;
965 yaz_oi_APDU(apdu, &oi);
967 if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
969 ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
971 oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
972 oi_unit->information.externallyDefinedInfo =
973 yaz_set_proposal_charneg
975 (const char **)&c->charset, (c->charset) ? 1:0,
976 (const char **)&c->lang, (c->lang) ? 1:0, 1);
980 return send_APDU (c, apdu);
984 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_PDU *sr)
987 Z_SOAP_Handler h[2] = {
988 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
991 ODR o = odr_createmem(ODR_ENCODE);
993 Z_SOAP *p = odr_malloc(o, sizeof(*p));
997 gdu = z_get_HTTP_Request(c->odr_out);
998 gdu->u.HTTP_Request->path = c->path;
1002 const char *cp0 = strstr(c->host_port, "://");
1003 const char *cp1 = 0;
1009 cp1 = strchr(cp0, '/');
1011 cp1 = cp0+strlen(cp0);
1015 char *h = odr_malloc(c->odr_out, cp1 - cp0 + 1);
1016 memcpy (h, cp0, cp1 - cp0);
1018 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1023 strcpy(ctype, "text/xml");
1024 if (c->charset && strlen(c->charset) < 20)
1026 strcat(ctype, "; charset=");
1027 strcat(ctype, c->charset);
1029 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1030 "Content-Type", ctype);
1031 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1032 "SOAPAction", "\"\"");
1033 p->which = Z_SOAP_generic;
1034 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
1035 p->u.generic->no = 0;
1036 p->u.generic->ns = 0;
1037 p->u.generic->p = sr;
1038 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
1040 ret = z_soap_codec_enc(o, &p,
1041 &gdu->u.HTTP_Request->content_buf,
1042 &gdu->u.HTTP_Request->content_len, h,
1045 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1046 return zoom_complete;
1047 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1051 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1052 ZOOM_connection_put_event (c, event);
1053 odr_reset(c->odr_out);
1054 return do_write (c);
1059 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1062 ZOOM_resultset resultset = 0;
1064 const char *recordPacking = 0;
1066 if (c->error) /* don't continue on error */
1067 return zoom_complete;
1069 if (c->tasks->which == ZOOM_TASK_SEARCH)
1071 resultset = c->tasks->u.search.resultset;
1072 resultset->setname = xstrdup ("default");
1073 ZOOM_options_set (resultset->options, "setname", resultset->setname);
1075 else if(c->tasks->which == ZOOM_TASK_RETRIEVE)
1077 resultset = c->tasks->u.retrieve.resultset;
1079 resultset->start = c->tasks->u.retrieve.start;
1080 resultset->count = c->tasks->u.retrieve.count;
1082 if (resultset->start >= resultset->size)
1083 return zoom_complete;
1084 if (resultset->start + resultset->count > resultset->size)
1085 resultset->count = resultset->size - resultset->start;
1087 for (i = 0; i<resultset->count; i++)
1090 record_cache_lookup (resultset, i + resultset->start);
1094 if (i == resultset->count)
1095 return zoom_complete;
1097 assert(resultset->query);
1099 sr = yaz_srw_get(c->odr_out, Z_SRW_searchRetrieve_request);
1101 if (resultset->query->z_query->which == Z_Query_type_104
1102 && resultset->query->z_query->u.type_104->which == Z_External_CQL)
1105 sr->u.request->query_type = Z_SRW_query_type_cql;
1106 sr->u.request->query.cql =resultset->query->z_query->u.type_104->u.cql;
1108 else if (resultset->query->z_query->which == Z_Query_type_1 &&
1109 resultset->query->z_query->u.type_1)
1111 sr->u.request->query_type = Z_SRW_query_type_pqf;
1112 sr->u.request->query.pqf = resultset->query->query_string;
1116 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
1117 return zoom_complete;
1119 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
1120 sr->u.request->maximumRecords = odr_intdup (c->odr_out, resultset->count);
1121 sr->u.request->recordSchema = resultset->schema;
1123 recordPacking = ZOOM_resultset_option_get (resultset, "recordPacking");
1126 sr->u.request->recordPacking = odr_strdup(c->odr_out, recordPacking);
1128 return send_srw(c, sr);
1131 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1133 return zoom_complete;
1137 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
1140 int lslb, ssub, mspn;
1142 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
1143 Z_SearchRequest *search_req = apdu->u.searchRequest;
1144 const char *elementSetName;
1145 const char *smallSetElementSetName;
1146 const char *mediumSetElementSetName;
1149 assert (c->tasks->which == ZOOM_TASK_SEARCH);
1151 r = c->tasks->u.search.resultset;
1154 ZOOM_options_get (r->options, "elementSetName");
1155 smallSetElementSetName =
1156 ZOOM_options_get (r->options, "smallSetElementSetName");
1157 mediumSetElementSetName =
1158 ZOOM_options_get (r->options, "mediumSetElementSetName");
1160 if (!smallSetElementSetName)
1161 smallSetElementSetName = elementSetName;
1163 if (!mediumSetElementSetName)
1164 mediumSetElementSetName = elementSetName;
1169 /* prepare query for the search request */
1170 search_req->query = r->query->z_query;
1172 search_req->databaseNames =
1173 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1175 /* get syntax (no need to provide unless piggyback is in effect) */
1176 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1178 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1179 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1180 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1181 if (lslb != -1 && ssub != -1 && mspn != -1)
1183 /* So're a Z39.50 expert? Let's hope you don't do sort */
1184 *search_req->largeSetLowerBound = lslb;
1185 *search_req->smallSetUpperBound = ssub;
1186 *search_req->mediumSetPresentNumber = mspn;
1188 else if (r->start == 0 && r->count > 0
1189 && r->piggyback && !r->r_sort_spec && !r->schema)
1191 /* Regular piggyback - do it unless we're going to do sort */
1192 *search_req->largeSetLowerBound = 2000000000;
1193 *search_req->smallSetUpperBound = 0;
1194 *search_req->mediumSetPresentNumber = r->count;
1195 smallSetElementSetName = 0;
1199 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1200 smallSetElementSetName = 0;
1201 mediumSetElementSetName = 0;
1204 if (smallSetElementSetName && *smallSetElementSetName)
1206 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1207 odr_malloc (c->odr_out, sizeof(*esn));
1209 esn->which = Z_ElementSetNames_generic;
1210 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1211 search_req->smallSetElementSetNames = esn;
1213 if (mediumSetElementSetName && *mediumSetElementSetName)
1215 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1216 odr_malloc (c->odr_out, sizeof(*esn));
1218 esn->which = Z_ElementSetNames_generic;
1219 esn->u.generic = odr_strdup (c->odr_out, mediumSetElementSetName);
1220 search_req->mediumSetElementSetNames = esn;
1223 search_req->preferredRecordSyntax =
1224 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1228 if (c->support_named_resultsets)
1232 /* find the lowest unused ordinal so that we re-use
1233 result sets on the server. */
1234 for (ord = 1; ; ord++)
1237 sprintf (setname, "%d", ord);
1238 for (rp = c->resultsets; rp; rp = rp->next)
1239 if (rp->setname && !strcmp (rp->setname, setname))
1244 r->setname = xstrdup (setname);
1245 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1248 r->setname = xstrdup ("default");
1249 ZOOM_options_set (r->options, "setname", r->setname);
1251 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1252 /* send search request */
1253 return send_APDU (c, apdu);
1256 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1259 Z_DefaultDiagFormat *r;
1264 if (p->which != Z_DiagRec_defaultFormat)
1266 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1269 r = p->u.defaultFormat;
1272 case Z_DefaultDiagFormat_v2Addinfo:
1273 addinfo = r->u.v2Addinfo;
1275 case Z_DefaultDiagFormat_v3Addinfo:
1276 addinfo = r->u.v3Addinfo;
1279 set_dset_error(c, *r->condition,
1280 yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
1284 ZOOM_API(ZOOM_record)
1285 ZOOM_record_clone (ZOOM_record srec)
1292 odr_enc = odr_createmem(ODR_ENCODE);
1293 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1295 buf = odr_getbuf (odr_enc, &size, 0);
1297 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1298 nrec->odr = odr_createmem(ODR_DECODE);
1299 nrec->wrbuf_marc = 0;
1300 odr_setbuf (nrec->odr, buf, size, 0);
1301 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1303 odr_destroy (odr_enc);
1307 ZOOM_API(ZOOM_record)
1308 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1310 return record_cache_lookup (s, pos);
1313 ZOOM_API(ZOOM_record)
1314 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1316 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1320 ZOOM_resultset_retrieve (r, 1, pos, 1);
1321 rec = ZOOM_resultset_record_immediate (r, pos);
1327 ZOOM_record_destroy (ZOOM_record rec)
1331 if (rec->wrbuf_marc)
1332 wrbuf_free (rec->wrbuf_marc, 1);
1333 odr_destroy (rec->odr);
1337 ZOOM_API(const char *)
1338 ZOOM_record_get (ZOOM_record rec, const char *type, int *len)
1340 Z_NamePlusRecord *npr;
1343 *len = 0; /* default return */
1350 if (!strcmp (type, "database"))
1353 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1354 return npr->databaseName;
1356 else if (!strcmp (type, "syntax"))
1358 const char *desc = 0;
1359 if (npr->which == Z_NamePlusRecord_databaseRecord)
1361 Z_External *r = (Z_External *) npr->u.databaseRecord;
1362 oident *ent = oid_getentbyoid(r->direct_reference);
1369 *len = strlen(desc);
1372 else if (!strcmp (type, "render") &&
1373 npr->which == Z_NamePlusRecord_databaseRecord)
1375 Z_External *r = (Z_External *) npr->u.databaseRecord;
1376 oident *ent = oid_getentbyoid(r->direct_reference);
1378 if (r->which == Z_External_sutrs)
1380 if (len) *len = r->u.sutrs->len;
1381 return (const char *) r->u.sutrs->buf;
1383 else if (r->which == Z_External_octet)
1393 case VAL_APPLICATION_XML:
1396 if (!rec->wrbuf_marc)
1397 rec->wrbuf_marc = wrbuf_alloc();
1399 mt = yaz_marc_create();
1400 wrbuf_rewind (rec->wrbuf_marc);
1401 if (yaz_marc_decode_wrbuf (
1402 mt, (const char *) r->u.octet_aligned->buf,
1403 r->u.octet_aligned->len,
1404 rec->wrbuf_marc) > 0)
1407 *len = wrbuf_len(rec->wrbuf_marc);
1408 yaz_marc_destroy(mt);
1409 return wrbuf_buf(rec->wrbuf_marc);
1411 yaz_marc_destroy(mt);
1414 *len = r->u.octet_aligned->len;
1415 return (const char *) r->u.octet_aligned->buf;
1417 else if (r->which == Z_External_grs1)
1419 if (!rec->wrbuf_marc)
1420 rec->wrbuf_marc = wrbuf_alloc();
1421 wrbuf_rewind (rec->wrbuf_marc);
1422 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1424 *len = wrbuf_len(rec->wrbuf_marc);
1425 return wrbuf_buf(rec->wrbuf_marc);
1429 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1430 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1432 Z_External *r = (Z_External *) npr->u.databaseRecord;
1433 oident *ent = oid_getentbyoid(r->direct_reference);
1435 if (r->which == Z_External_sutrs)
1437 if (len) *len = r->u.sutrs->len;
1438 return (const char *) r->u.sutrs->buf;
1440 else if (r->which == Z_External_octet)
1443 int marc_decode_type = YAZ_MARC_MARCXML;
1445 if (!strcmp(type, "oai"))
1446 marc_decode_type = YAZ_MARC_OAIMARC;
1454 case VAL_APPLICATION_XML:
1457 if (!rec->wrbuf_marc)
1458 rec->wrbuf_marc = wrbuf_alloc();
1459 wrbuf_rewind (rec->wrbuf_marc);
1460 mt = yaz_marc_create();
1462 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1463 if (yaz_marc_decode_wrbuf (
1464 mt, (const char *) r->u.octet_aligned->buf,
1465 r->u.octet_aligned->len,
1466 rec->wrbuf_marc) > 0)
1469 *len = wrbuf_len(rec->wrbuf_marc);
1470 yaz_marc_destroy(mt);
1471 return wrbuf_buf(rec->wrbuf_marc);
1473 yaz_marc_destroy(mt);
1475 if (len) *len = r->u.octet_aligned->len;
1476 return (const char *) r->u.octet_aligned->buf;
1478 else if (r->which == Z_External_grs1)
1483 else if (r->which == Z_External_OPAC)
1490 else if (!strcmp (type, "raw"))
1492 if (npr->which == Z_NamePlusRecord_databaseRecord)
1494 Z_External *r = (Z_External *) npr->u.databaseRecord;
1496 if (r->which == Z_External_sutrs)
1498 if (len) *len = r->u.sutrs->len;
1499 return (const char *) r->u.sutrs->buf;
1501 else if (r->which == Z_External_octet)
1503 if (len) *len = r->u.octet_aligned->len;
1504 return (const char *) r->u.octet_aligned->buf;
1506 else /* grs-1, explain, ... */
1509 return (const char *) npr->u.databaseRecord;
1514 else if (!strcmp (type, "ext"))
1516 if (npr->which == Z_NamePlusRecord_databaseRecord)
1517 return (const char *) npr->u.databaseRecord;
1523 static int strcmp_null(const char *v1, const char *v2)
1529 return strcmp(v1, v2);
1532 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr,
1535 ZOOM_record_cache rc;
1536 const char *elementSetName =
1537 ZOOM_resultset_option_get (r, "elementSetName");
1538 const char *syntax =
1539 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1541 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
1542 ZOOM_connection_put_event(r->connection, event);
1544 for (rc = r->record_cache; rc; rc = rc->next)
1548 if (strcmp_null(r->schema, rc->schema))
1550 if (strcmp_null(elementSetName,rc->elementSetName))
1552 if (strcmp_null(syntax, rc->syntax))
1554 /* not destroying rc->npr (it's handled by nmem )*/
1556 /* keeping wrbuf_marc too */
1560 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1563 rc->rec.wrbuf_marc = 0;
1565 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1567 rc->elementSetName = 0;
1570 rc->syntax = odr_strdup (r->odr, syntax);
1575 rc->schema = odr_strdup (r->odr, r->schema);
1580 rc->next = r->record_cache;
1581 r->record_cache = rc;
1584 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1586 ZOOM_record_cache rc;
1587 const char *elementSetName =
1588 ZOOM_resultset_option_get (r, "elementSetName");
1589 const char *syntax =
1590 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1592 for (rc = r->record_cache; rc; rc = rc->next)
1596 if (strcmp_null(r->schema, rc->schema))
1598 if (strcmp_null(elementSetName,rc->elementSetName))
1600 if (strcmp_null(syntax, rc->syntax))
1608 static void handle_records (ZOOM_connection c, Z_Records *sr,
1611 ZOOM_resultset resultset;
1615 switch (c->tasks->which)
1617 case ZOOM_TASK_SEARCH:
1618 resultset = c->tasks->u.search.resultset;
1620 case ZOOM_TASK_RETRIEVE:
1621 resultset = c->tasks->u.retrieve.resultset;
1626 if (sr && sr->which == Z_Records_NSD)
1628 Z_DiagRec dr, *dr_p = &dr;
1629 dr.which = Z_DiagRec_defaultFormat;
1630 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1632 response_diag (c, dr_p);
1634 else if (sr && sr->which == Z_Records_multipleNSD)
1636 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1637 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1639 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1643 if (resultset->count + resultset->start > resultset->size)
1644 resultset->count = resultset->size - resultset->start;
1645 if (resultset->count < 0)
1646 resultset->count = 0;
1647 if (sr && sr->which == Z_Records_DBOSD)
1650 NMEM nmem = odr_extract_mem (c->odr_in);
1651 Z_NamePlusRecordList *p =
1652 sr->u.databaseOrSurDiagnostics;
1653 for (i = 0; i<p->num_records; i++)
1655 record_cache_add (resultset, p->records[i],
1656 i+ resultset->start);
1658 /* transfer our response to search_nmem .. we need it later */
1659 nmem_transfer (resultset->odr->mem, nmem);
1660 nmem_destroy (nmem);
1661 if (present_phase && p->num_records == 0)
1663 /* present response and we didn't get any records! */
1664 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1667 else if (present_phase)
1669 /* present response and we didn't get any records! */
1670 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1675 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1677 handle_records (c, pr->records, 1);
1680 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1682 ZOOM_resultset resultset;
1685 yaz_log (LOG_DEBUG, "got search response");
1687 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1690 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
1691 ZOOM_connection_put_event(c, event);
1693 resultset = c->tasks->u.search.resultset;
1695 resultset->size = *sr->resultCount;
1696 handle_records (c, sr->records, 0);
1699 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1701 if (res->diagnostics && res->num_diagnostics > 0)
1702 response_diag (c, res->diagnostics[0]);
1705 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1707 NMEM nmem = odr_extract_mem (c->odr_in);
1710 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1712 scan = c->tasks->u.scan.scan;
1714 if (res->entries && res->entries->nonsurrogateDiagnostics)
1715 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1716 scan->scan_response = res;
1717 nmem_transfer (scan->odr->mem, nmem);
1719 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1720 if (res->positionOfTerm)
1721 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1722 if (res->scanStatus)
1723 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1724 if (res->numberOfEntriesReturned)
1725 ZOOM_options_set_int (scan->options, "number",
1726 *res->numberOfEntriesReturned);
1727 nmem_destroy (nmem);
1731 static zoom_ret send_sort (ZOOM_connection c)
1733 ZOOM_resultset resultset;
1735 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1736 return zoom_complete;
1738 resultset = c->tasks->u.search.resultset;
1742 resultset->r_sort_spec = 0;
1743 return zoom_complete;
1745 if (resultset->r_sort_spec)
1747 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1748 Z_SortRequest *req = apdu->u.sortRequest;
1750 req->num_inputResultSetNames = 1;
1751 req->inputResultSetNames = (Z_InternationalString **)
1752 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1753 req->inputResultSetNames[0] =
1754 odr_strdup (c->odr_out, resultset->setname);
1755 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1756 req->sortSequence = resultset->r_sort_spec;
1757 resultset->r_sort_spec = 0;
1758 return send_APDU (c, apdu);
1760 return zoom_complete;
1763 static zoom_ret send_present (ZOOM_connection c)
1766 Z_PresentRequest *req = 0;
1768 const char *syntax = 0;
1769 const char *elementSetName = 0;
1770 ZOOM_resultset resultset;
1773 return zoom_complete;
1775 switch (c->tasks->which)
1777 case ZOOM_TASK_SEARCH:
1778 resultset = c->tasks->u.search.resultset;
1780 case ZOOM_TASK_RETRIEVE:
1781 resultset = c->tasks->u.retrieve.resultset;
1782 resultset->start = c->tasks->u.retrieve.start;
1783 resultset->count = c->tasks->u.retrieve.count;
1785 if (resultset->start >= resultset->size)
1786 return zoom_complete;
1787 if (resultset->start + resultset->count > resultset->size)
1788 resultset->count = resultset->size - resultset->start;
1791 return zoom_complete;
1794 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1795 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1797 if (c->error) /* don't continue on error */
1798 return zoom_complete;
1799 if (resultset->start < 0)
1800 return zoom_complete;
1801 for (i = 0; i<resultset->count; i++)
1804 record_cache_lookup (resultset, i + resultset->start);
1808 if (i == resultset->count)
1809 return zoom_complete;
1811 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1812 req = apdu->u.presentRequest;
1814 resultset->start += i;
1815 resultset->count -= i;
1816 *req->resultSetStartPoint = resultset->start + 1;
1817 *req->numberOfRecordsRequested = resultset->count;
1818 assert (*req->numberOfRecordsRequested > 0);
1820 if (syntax && *syntax)
1821 req->preferredRecordSyntax =
1822 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1824 if (resultset->schema && *resultset->schema)
1826 Z_RecordComposition *compo = (Z_RecordComposition *)
1827 odr_malloc (c->odr_out, sizeof(*compo));
1829 req->recordComposition = compo;
1830 compo->which = Z_RecordComp_complex;
1831 compo->u.complex = (Z_CompSpec *)
1832 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1833 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1834 odr_malloc(c->odr_out, sizeof(bool_t));
1835 *compo->u.complex->selectAlternativeSyntax = 0;
1837 compo->u.complex->generic = (Z_Specification *)
1838 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1840 compo->u.complex->generic->which = Z_Schema_oid;
1841 compo->u.complex->generic->schema.oid = (Odr_oid *)
1842 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, resultset->schema);
1844 if (!compo->u.complex->generic->schema.oid)
1846 /* OID wasn't a schema! Try record syntax instead. */
1848 compo->u.complex->generic->schema.oid = (Odr_oid *)
1849 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
1851 if (elementSetName && *elementSetName)
1853 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
1854 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
1855 compo->u.complex->generic->elementSpec->which =
1856 Z_ElementSpec_elementSetName;
1857 compo->u.complex->generic->elementSpec->u.elementSetName =
1858 odr_strdup (c->odr_out, elementSetName);
1861 compo->u.complex->generic->elementSpec = 0;
1862 compo->u.complex->num_dbSpecific = 0;
1863 compo->u.complex->dbSpecific = 0;
1864 compo->u.complex->num_recordSyntax = 0;
1865 compo->u.complex->recordSyntax = 0;
1867 else if (elementSetName && *elementSetName)
1869 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1870 odr_malloc (c->odr_out, sizeof(*esn));
1871 Z_RecordComposition *compo = (Z_RecordComposition *)
1872 odr_malloc (c->odr_out, sizeof(*compo));
1874 esn->which = Z_ElementSetNames_generic;
1875 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
1876 compo->which = Z_RecordComp_simple;
1877 compo->u.simple = esn;
1878 req->recordComposition = compo;
1880 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
1881 return send_APDU (c, apdu);
1884 ZOOM_API(ZOOM_scanset)
1885 ZOOM_connection_scan (ZOOM_connection c, const char *start)
1887 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
1889 scan->connection = c;
1890 scan->odr = odr_createmem (ODR_DECODE);
1891 scan->options = ZOOM_options_create_with_parent (c->options);
1893 scan->scan_response = 0;
1895 if ((scan->termListAndStartPoint =
1896 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
1899 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
1900 task->u.scan.scan = scan;
1905 while (ZOOM_event (1, &c))
1913 ZOOM_scanset_destroy (ZOOM_scanset scan)
1918 if (scan->refcount == 0)
1920 odr_destroy (scan->odr);
1922 ZOOM_options_destroy (scan->options);
1927 static zoom_ret send_package (ZOOM_connection c)
1931 return zoom_complete;
1932 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1934 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1935 ZOOM_connection_put_event (c, event);
1937 return do_write_ex (c, c->tasks->u.package->buf_out,
1938 c->tasks->u.package->len_out);
1941 static zoom_ret send_scan (ZOOM_connection c)
1944 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
1945 Z_ScanRequest *req = apdu->u.scanRequest;
1947 return zoom_complete;
1948 assert (c->tasks->which == ZOOM_TASK_SCAN);
1949 scan = c->tasks->u.scan.scan;
1951 req->termListAndStartPoint = scan->termListAndStartPoint;
1952 req->attributeSet = scan->attributeSet;
1954 *req->numberOfTermsRequested =
1955 ZOOM_options_get_int(scan->options, "number", 10);
1957 req->preferredPositionInResponse =
1958 odr_intdup (c->odr_out,
1959 ZOOM_options_get_int(scan->options, "position", 1));
1962 odr_intdup (c->odr_out,
1963 ZOOM_options_get_int(scan->options, "stepSize", 0));
1965 req->databaseNames = set_DatabaseNames (c, scan->options,
1966 &req->num_databaseNames);
1968 return send_APDU (c, apdu);
1972 ZOOM_scanset_size (ZOOM_scanset scan)
1974 if (!scan || !scan->scan_response || !scan->scan_response->entries)
1976 return scan->scan_response->entries->num_entries;
1979 ZOOM_API(const char *)
1980 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
1983 const char *term = 0;
1984 size_t noent = ZOOM_scanset_size (scan);
1985 Z_ScanResponse *res = scan->scan_response;
1991 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1993 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1995 if (t->term->which == Z_Term_general)
1997 term = (const char *) t->term->u.general->buf;
1998 *len = t->term->u.general->len;
2000 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
2005 ZOOM_API(const char *)
2006 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
2008 return ZOOM_options_get (scan->options, key);
2012 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
2015 ZOOM_options_set (scan->options, key, val);
2018 static Z_APDU *create_es_package (ZOOM_package p, int type)
2021 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
2022 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
2024 *req->function = Z_ExtendedServicesRequest_create;
2026 str = ZOOM_options_get(p->options, "package-name");
2028 req->packageName = nmem_strdup (p->odr_out->mem, str);
2030 str = ZOOM_options_get(p->options, "user-id");
2032 req->userId = nmem_strdup (p->odr_out->mem, str);
2034 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2037 str = ZOOM_options_get(p->options, "function");
2040 if (!strcmp (str, "create"))
2042 if (!strcmp (str, "delete"))
2044 if (!strcmp (str, "modify"))
2050 static const char *ill_array_lookup (void *clientData, const char *idx)
2052 ZOOM_package p = (ZOOM_package) clientData;
2053 return ZOOM_options_get (p->options, idx+4);
2056 static Z_External *encode_ill_request (ZOOM_package p)
2058 ODR out = p->odr_out;
2061 struct ill_get_ctl ctl;
2063 ctl.odr = p->odr_out;
2065 ctl.f = ill_array_lookup;
2067 req = ill_get_ILLRequest(&ctl, "ill", 0);
2069 if (!ill_Request (out, &req, 0, 0))
2071 int ill_request_size;
2072 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
2073 if (ill_request_buf)
2074 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
2080 int illRequest_size = 0;
2081 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
2083 oid.proto = PROTO_GENERAL;
2084 oid.oclass = CLASS_GENERAL;
2085 oid.value = VAL_ISO_ILL_1;
2087 r = (Z_External *) odr_malloc (out, sizeof(*r));
2088 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
2089 r->indirect_reference = 0;
2091 r->which = Z_External_single;
2093 r->u.single_ASN1_type = (Odr_oct *)
2094 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
2095 r->u.single_ASN1_type->buf = (unsigned char*)
2096 odr_malloc (out, illRequest_size);
2097 r->u.single_ASN1_type->len = illRequest_size;
2098 r->u.single_ASN1_type->size = illRequest_size;
2099 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
2104 static Z_ItemOrder *encode_item_order(ZOOM_package p)
2106 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
2109 req->which=Z_IOItemOrder_esRequest;
2110 req->u.esRequest = (Z_IORequest *)
2111 odr_malloc(p->odr_out,sizeof(Z_IORequest));
2113 /* to keep part ... */
2114 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
2115 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
2116 req->u.esRequest->toKeep->supplDescription = 0;
2117 req->u.esRequest->toKeep->contact = (Z_IOContact *)
2118 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
2120 str = ZOOM_options_get(p->options, "contact-name");
2121 req->u.esRequest->toKeep->contact->name = str ?
2122 nmem_strdup (p->odr_out->mem, str) : 0;
2124 str = ZOOM_options_get(p->options, "contact-phone");
2125 req->u.esRequest->toKeep->contact->phone = str ?
2126 nmem_strdup (p->odr_out->mem, str) : 0;
2128 str = ZOOM_options_get(p->options, "contact-email");
2129 req->u.esRequest->toKeep->contact->email = str ?
2130 nmem_strdup (p->odr_out->mem, str) : 0;
2132 req->u.esRequest->toKeep->addlBilling = 0;
2134 /* not to keep part ... */
2135 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
2136 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
2138 str = ZOOM_options_get(p->options, "itemorder-setname");
2143 req->u.esRequest->notToKeep->resultSetItem = 0;
2146 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
2147 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
2149 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
2150 nmem_strdup (p->odr_out->mem, str);
2151 req->u.esRequest->notToKeep->resultSetItem->item =
2152 (int *) odr_malloc(p->odr_out, sizeof(int));
2154 str = ZOOM_options_get(p->options, "itemorder-item");
2155 *req->u.esRequest->notToKeep->resultSetItem->item =
2156 (str ? atoi(str) : 1);
2158 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
2164 ZOOM_package_send (ZOOM_package p, const char *type)
2171 odr_reset (p->odr_out);
2174 if (!strcmp(type, "itemorder"))
2177 apdu = create_es_package (p, VAL_ITEMORDER);
2180 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2182 r->direct_reference =
2183 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2186 r->which = Z_External_itemOrder;
2187 r->indirect_reference = 0;
2188 r->u.itemOrder = encode_item_order (p);
2190 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2195 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2199 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2200 task->u.package = p;
2201 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2202 p->buf_out = (char *) xmalloc (p->len_out);
2203 memcpy (p->buf_out, buf, p->len_out);
2208 while (ZOOM_event (1, &c))
2215 ZOOM_API(ZOOM_package)
2216 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2218 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2221 p->odr_out = odr_createmem (ODR_ENCODE);
2222 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2230 ZOOM_package_destroy(ZOOM_package p)
2235 if (p->refcount == 0)
2237 odr_destroy (p->odr_out);
2240 ZOOM_options_destroy (p->options);
2245 ZOOM_API(const char *)
2246 ZOOM_package_option_get (ZOOM_package p, const char *key)
2248 return ZOOM_options_get (p->options, key);
2253 ZOOM_package_option_set (ZOOM_package p, const char *key,
2256 ZOOM_options_set (p->options, key, val);
2259 static int ZOOM_connection_exec_task (ZOOM_connection c)
2261 ZOOM_task task = c->tasks;
2262 zoom_ret ret = zoom_complete;
2266 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2269 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2270 task->which, task->running);
2271 if (c->error != ZOOM_ERROR_NONE)
2273 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2274 ZOOM_connection_remove_tasks (c);
2279 yaz_log (LOG_DEBUG, "task already running");
2283 ret = zoom_complete;
2284 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2286 switch (task->which)
2288 case ZOOM_TASK_SEARCH:
2289 if (c->proto == PROTO_HTTP)
2290 ret = ZOOM_connection_srw_send_search(c);
2292 ret = ZOOM_connection_send_search(c);
2294 case ZOOM_TASK_RETRIEVE:
2295 if (c->proto == PROTO_HTTP)
2296 ret = ZOOM_connection_srw_send_search(c);
2298 ret = send_present (c);
2300 case ZOOM_TASK_CONNECT:
2301 ret = do_connect(c);
2303 case ZOOM_TASK_SCAN:
2306 case ZOOM_TASK_PACKAGE:
2307 ret = send_package(c);
2313 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2314 ZOOM_connection_remove_tasks (c);
2316 if (ret == zoom_complete)
2318 yaz_log (LOG_DEBUG, "task removed (complete)");
2319 ZOOM_connection_remove_task (c);
2322 yaz_log (LOG_DEBUG, "task pending");
2326 static zoom_ret send_sort_present (ZOOM_connection c)
2328 zoom_ret r = send_sort (c);
2329 if (r == zoom_complete)
2330 r = send_present (c);
2334 static int es_response (ZOOM_connection c,
2335 Z_ExtendedServicesResponse *res)
2337 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2339 if (res->diagnostics && res->num_diagnostics > 0)
2340 response_diag(c, res->diagnostics[0]);
2341 if (res->taskPackage &&
2342 res->taskPackage->which == Z_External_extendedService)
2344 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2345 Odr_oct *id = taskPackage->targetReference;
2348 ZOOM_options_setl (c->tasks->u.package->options,
2349 "targetReference", (char*) id->buf, id->len);
2355 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2357 Z_InitResponse *initrs;
2360 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2363 case Z_APDU_initResponse:
2364 initrs = apdu->u.initResponse;
2365 ZOOM_connection_option_set(c, "targetImplementationId",
2366 initrs->implementationId ?
2367 initrs->implementationId : "");
2368 ZOOM_connection_option_set(c, "targetImplementationName",
2369 initrs->implementationName ?
2370 initrs->implementationName : "");
2371 ZOOM_connection_option_set(c, "targetImplementationVersion",
2372 initrs->implementationVersion ?
2373 initrs->implementationVersion : "");
2374 if (!*initrs->result)
2376 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2381 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2383 xfree (c->cookie_in);
2386 c->cookie_in = xstrdup(cookie);
2387 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2388 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2389 c->support_named_resultsets = 1;
2392 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2393 ZOOM_connection_remove_task (c);
2395 ZOOM_connection_exec_task (c);
2397 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2399 NMEM tmpmem = nmem_create();
2400 Z_CharSetandLanguageNegotiation *p =
2401 yaz_get_charneg_record(initrs->otherInfo);
2405 char *charset=NULL, *lang=NULL;
2408 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2409 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2410 "language %s, select %d",
2411 charset ? charset : "none", lang ? lang : "none", sel);
2413 ZOOM_connection_option_set (c, "negotiation-charset",
2416 ZOOM_connection_option_set (c, "negotiation-lang",
2418 nmem_destroy(tmpmem);
2422 case Z_APDU_searchResponse:
2423 handle_search_response (c, apdu->u.searchResponse);
2424 if (send_sort_present (c) == zoom_complete)
2425 ZOOM_connection_remove_task (c);
2427 case Z_APDU_presentResponse:
2428 handle_present_response (c, apdu->u.presentResponse);
2429 if (send_present (c) == zoom_complete)
2430 ZOOM_connection_remove_task (c);
2432 case Z_APDU_sortResponse:
2433 sort_response (c, apdu->u.sortResponse);
2434 if (send_present (c) == zoom_complete)
2435 ZOOM_connection_remove_task (c);
2437 case Z_APDU_scanResponse:
2438 scan_response (c, apdu->u.scanResponse);
2439 ZOOM_connection_remove_task (c);
2441 case Z_APDU_extendedServicesResponse:
2442 es_response (c, apdu->u.extendedServicesResponse);
2443 ZOOM_connection_remove_task (c);
2446 if (c->reconnect_ok)
2449 c->tasks->running = 0;
2450 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2454 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2459 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2465 static void handle_srw_response(ZOOM_connection c,
2466 Z_SRW_searchRetrieveResponse *res)
2468 ZOOM_resultset resultset = 0;
2476 if (c->tasks->which == ZOOM_TASK_SEARCH)
2477 resultset = c->tasks->u.search.resultset;
2478 else if (c->tasks->which == ZOOM_TASK_RETRIEVE)
2479 resultset = c->tasks->u.retrieve.resultset;
2483 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
2484 ZOOM_connection_put_event(c, event);
2486 resultset->size = 0;
2488 yaz_log(LOG_DEBUG, "got SRW response OK");
2490 if (res->numberOfRecords)
2491 resultset->size = *res->numberOfRecords;
2493 for (i = 0; i<res->num_records; i++)
2497 Z_NamePlusRecord *npr = (Z_NamePlusRecord *)
2498 odr_malloc(c->odr_in, sizeof(Z_NamePlusRecord));
2500 if (res->records[i].recordPosition &&
2501 *res->records[i].recordPosition > 0)
2502 pos = *res->records[i].recordPosition - 1;
2504 pos = resultset->start + i;
2506 npr->databaseName = 0;
2507 npr->which = Z_NamePlusRecord_databaseRecord;
2508 npr->u.databaseRecord = (Z_External *)
2509 odr_malloc(c->odr_in, sizeof(Z_External));
2510 npr->u.databaseRecord->descriptor = 0;
2511 npr->u.databaseRecord->direct_reference =
2512 yaz_oidval_to_z3950oid(c->odr_in, CLASS_RECSYN, VAL_TEXT_XML);
2513 npr->u.databaseRecord->which = Z_External_octet;
2514 npr->u.databaseRecord->u.octet_aligned = (Odr_oct *)
2515 odr_malloc(c->odr_in, sizeof(Odr_oct));
2516 npr->u.databaseRecord->u.octet_aligned->buf =
2517 res->records[i].recordData_buf;
2518 npr->u.databaseRecord->u.octet_aligned->len =
2519 npr->u.databaseRecord->u.octet_aligned->size =
2520 res->records[i].recordData_len;
2521 record_cache_add (resultset, npr, pos);
2523 if (res->num_diagnostics > 0)
2525 set_dset_error(c, *res->diagnostics[0].code, "SRW",
2526 res->diagnostics[0].details, 0);
2528 nmem = odr_extract_mem(c->odr_in);
2529 nmem_transfer(resultset->odr->mem, nmem);
2535 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2538 const char *content_type = z_HTTP_header_lookup(hres->headers,
2540 const char *connection_head = z_HTTP_header_lookup(hres->headers,
2543 yaz_log (LOG_DEBUG, "handle_http");
2545 if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
2547 Z_SOAP *soap_package = 0;
2548 ODR o = odr_createmem(ODR_DECODE);
2549 Z_SOAP_Handler soap_handlers[2] = {
2550 {"http://www.loc.gov/zing/srw/v1.0/", 0,
2551 (Z_SOAP_fun) yaz_srw_codec},
2554 ret = z_soap_codec(o, &soap_package,
2555 &hres->content_buf, &hres->content_len,
2557 if (!ret && soap_package->which == Z_SOAP_generic &&
2558 soap_package->u.generic->no == 0)
2560 Z_SRW_PDU *sr = soap_package->u.generic->p;
2561 if (sr->which == Z_SRW_searchRetrieve_response)
2562 handle_srw_response(c, sr->u.response);
2566 else if (!ret && (soap_package->which == Z_SOAP_fault
2567 || soap_package->which == Z_SOAP_error))
2569 set_HTTP_error(c, hres->code,
2570 soap_package->u.fault->fault_code,
2571 soap_package->u.fault->fault_string);
2579 if (hres->code != 200)
2580 set_HTTP_error(c, hres->code, 0, 0);
2582 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2585 ZOOM_connection_remove_task(c);
2586 if (!strcmp(hres->version, "1.0"))
2588 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
2589 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
2594 /* HTTP 1.1: only if no close we stay alive .. */
2595 if (connection_head && !strcmp(connection_head, "close"))
2601 static int do_read (ZOOM_connection c)
2606 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2607 ZOOM_connection_put_event (c, event);
2609 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2611 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2616 if (c->reconnect_ok)
2619 c->reconnect_ok = 0;
2620 yaz_log (LOG_DEBUG, "reconnect read");
2621 c->tasks->running = 0;
2622 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2626 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2635 odr_reset (c->odr_in);
2636 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2637 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2638 ZOOM_connection_put_event (c, event);
2640 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2642 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2645 else if (gdu->which == Z_GDU_Z3950)
2646 handle_apdu (c, gdu->u.z3950);
2647 else if (gdu->which == Z_GDU_HTTP_Response)
2650 handle_http (c, gdu->u.HTTP_Response);
2652 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2656 c->reconnect_ok = 0;
2661 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2666 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2667 ZOOM_connection_put_event (c, event);
2669 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2670 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2672 if (c->reconnect_ok)
2675 c->reconnect_ok = 0;
2676 yaz_log (LOG_DEBUG, "reconnect write");
2677 c->tasks->running = 0;
2678 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2679 return zoom_pending;
2681 if (c->state == STATE_CONNECTING)
2682 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2684 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2686 return zoom_complete;
2690 c->mask = ZOOM_SELECT_EXCEPT;
2691 if (c->cs->io_pending & CS_WANT_WRITE)
2692 c->mask += ZOOM_SELECT_WRITE;
2693 if (c->cs->io_pending & CS_WANT_READ)
2694 c->mask += ZOOM_SELECT_READ;
2695 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2699 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2700 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2702 return zoom_pending;
2705 static zoom_ret do_write(ZOOM_connection c)
2707 return do_write_ex (c, c->buf_out, c->len_out);
2711 ZOOM_API(const char *)
2712 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2714 return ZOOM_options_get (c->options, key);
2718 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2721 ZOOM_options_set (c->options, key, val);
2724 ZOOM_API(const char *)
2725 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2727 return ZOOM_options_get (r->options, key);
2731 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2734 ZOOM_options_set (r->options, key, val);
2739 ZOOM_connection_errcode (ZOOM_connection c)
2741 return ZOOM_connection_error (c, 0, 0);
2744 ZOOM_API(const char *)
2745 ZOOM_connection_errmsg (ZOOM_connection c)
2748 ZOOM_connection_error (c, &msg, 0);
2752 ZOOM_API(const char *)
2753 ZOOM_connection_addinfo (ZOOM_connection c)
2755 const char *addinfo;
2756 ZOOM_connection_error (c, 0, &addinfo);
2760 ZOOM_API(const char *)
2761 ZOOM_diag_str (int error)
2765 case ZOOM_ERROR_NONE:
2767 case ZOOM_ERROR_CONNECT:
2768 return "Connect failed";
2769 case ZOOM_ERROR_MEMORY:
2770 return "Out of memory";
2771 case ZOOM_ERROR_ENCODE:
2772 return "Encoding failed";
2773 case ZOOM_ERROR_DECODE:
2774 return "Decoding failed";
2775 case ZOOM_ERROR_CONNECTION_LOST:
2776 return "Connection lost";
2777 case ZOOM_ERROR_INIT:
2778 return "Init rejected";
2779 case ZOOM_ERROR_INTERNAL:
2780 return "Internal failure";
2781 case ZOOM_ERROR_TIMEOUT:
2783 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2784 return "Unsupported protocol";
2785 case ZOOM_ERROR_UNSUPPORTED_QUERY:
2786 return "Unsupported query type";
2788 return diagbib1_str (error);
2793 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2794 const char **addinfo, const char **diagset)
2796 int error = c->error;
2799 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
2800 *cp = ZOOM_diag_str(error);
2801 else if (!strcmp(c->diagset, "HTTP"))
2802 *cp = z_HTTP_errmsg(c->error);
2803 else if (!strcmp(c->diagset, "Bib-1"))
2804 *cp = ZOOM_diag_str(error);
2805 else if (!strcmp(c->diagset, "SRW"))
2806 *cp = yaz_diag_srw_str(c->error);
2808 *cp = "Unknown error and diagnostic set";
2811 *addinfo = c->addinfo ? c->addinfo : "";
2813 *diagset = c->diagset ? c->diagset : "";
2818 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2819 const char **addinfo)
2821 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2824 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2826 ZOOM_Event event = 0;
2827 int r = cs_look(c->cs);
2828 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2833 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2834 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2836 ZOOM_connection_put_event (c, event);
2838 else if (r == CS_CONNECT)
2841 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2843 ret = cs_rcvconnect (c->cs);
2844 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2847 c->mask = ZOOM_SELECT_EXCEPT;
2848 if (c->cs->io_pending & CS_WANT_WRITE)
2849 c->mask += ZOOM_SELECT_WRITE;
2850 if (c->cs->io_pending & CS_WANT_READ)
2851 c->mask += ZOOM_SELECT_READ;
2852 ZOOM_connection_put_event (c, event);
2856 ZOOM_connection_put_event (c, event);
2857 if (c->proto == PROTO_Z3950)
2858 ZOOM_connection_send_init(c);
2861 /* no init request for SRW .. */
2862 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2863 ZOOM_connection_remove_task (c);
2865 ZOOM_connection_exec_task (c);
2867 c->state = STATE_ESTABLISHED;
2871 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2873 ZOOM_connection_put_event (c, event);
2878 if (mask & ZOOM_SELECT_READ)
2880 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2887 ZOOM_connection_last_event(ZOOM_connection cs)
2890 return ZOOM_EVENT_NONE;
2891 return cs->last_event;
2895 ZOOM_event (int no, ZOOM_connection *cs)
2899 struct pollfd pollfds[1024];
2900 ZOOM_connection poll_cs[1024];
2903 fd_set input, output, except;
2908 for (i = 0; i<no; i++)
2910 ZOOM_connection c = cs[i];
2912 if (c && (event = ZOOM_connection_get_event(c)))
2914 ZOOM_Event_destroy (event);
2918 for (i = 0; i<no; i++)
2920 ZOOM_connection c = cs[i];
2922 if (c && ZOOM_connection_exec_task (c))
2924 if ((event = ZOOM_connection_get_event(c)))
2926 ZOOM_Event_destroy (event);
2939 for (i = 0; i<no; i++)
2941 ZOOM_connection c = cs[i];
2947 fd = z3950_connection_socket(c);
2948 mask = z3950_connection_mask(c);
2955 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
2956 if (this_timeout != -1 && this_timeout < timeout)
2957 timeout = this_timeout;
2961 short poll_events = 0;
2963 if (mask & ZOOM_SELECT_READ)
2964 poll_events += POLLIN;
2965 if (mask & ZOOM_SELECT_WRITE)
2966 poll_events += POLLOUT;
2967 if (mask & ZOOM_SELECT_EXCEPT)
2968 poll_events += POLLERR;
2969 pollfds[nfds].fd = fd;
2970 pollfds[nfds].events = poll_events;
2971 pollfds[nfds].revents = 0;
2976 if (mask & ZOOM_SELECT_READ)
2978 FD_SET (fd, &input);
2981 if (mask & ZOOM_SELECT_WRITE)
2983 FD_SET (fd, &output);
2986 if (mask & ZOOM_SELECT_EXCEPT)
2988 FD_SET (fd, &except);
2993 if (timeout >= 5000)
3000 r = poll (pollfds, nfds, timeout * 1000);
3001 for (i = 0; i<nfds; i++)
3003 ZOOM_connection c = poll_cs[i];
3007 if (pollfds[i].revents & POLLIN)
3008 mask += ZOOM_SELECT_READ;
3009 if (pollfds[i].revents & POLLOUT)
3010 mask += ZOOM_SELECT_WRITE;
3011 if (pollfds[i].revents & POLLERR)
3012 mask += ZOOM_SELECT_EXCEPT;
3014 ZOOM_connection_do_io(c, mask);
3016 else if (r == 0 && c->mask)
3018 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3019 /* timeout and this connection was waiting */
3020 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3022 ZOOM_connection_put_event(c, event);
3026 tv.tv_sec = timeout;
3028 yaz_log (LOG_DEBUG, "select start");
3029 r = select (max_fd+1, &input, &output, &except, &tv);
3030 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
3031 for (i = 0; i<no; i++)
3033 ZOOM_connection c = cs[i];
3038 fd = z3950_connection_socket(c);
3042 /* no timeout and real socket */
3043 if (FD_ISSET(fd, &input))
3044 mask += ZOOM_SELECT_READ;
3045 if (FD_ISSET(fd, &output))
3046 mask += ZOOM_SELECT_WRITE;
3047 if (FD_ISSET(fd, &except))
3048 mask += ZOOM_SELECT_EXCEPT;
3050 ZOOM_connection_do_io(c, mask);
3052 if (r == 0 && c->mask)
3054 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3055 /* timeout and this connection was waiting */
3056 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3058 yaz_log (LOG_DEBUG, "timeout");
3059 ZOOM_connection_put_event(c, event);
3063 for (i = 0; i<no; i++)
3065 ZOOM_connection c = cs[i];
3067 if (c && (event = ZOOM_connection_get_event(c)))
3069 ZOOM_Event_destroy (event);