2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.27 2003-02-21 12:08:59 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 assert (c->m_queue_back);
73 c->m_queue_front = event->prev;
76 assert (c->m_queue_back);
77 c->m_queue_front->next = 0;
81 c->last_event = event->kind;
86 static void set_dset_error (ZOOM_connection c, int error,
88 const char *addinfo, const char *addinfo2)
94 if (addinfo && addinfo2)
96 c->addinfo = xmalloc(strlen(addinfo) + strlen(addinfo2) + 2);
97 strcpy(c->addinfo, addinfo);
98 strcat(c->addinfo, addinfo2);
101 c->addinfo = xstrdup(addinfo);
103 yaz_log(LOG_DEBUG, "Error %s %s:%d %s %s",
104 c->host_port ? c->host_port : "<>", dset, error,
105 addinfo ? addinfo : "",
106 addinfo2 ? addinfo2 : "");
109 static void set_HTTP_error (ZOOM_connection c, int error,
110 const char *addinfo, const char *addinfo2)
112 set_dset_error(c, error, "HTTP", addinfo, addinfo2);
115 static void set_ZOOM_error (ZOOM_connection c, int error,
118 set_dset_error(c, error, "ZOOM", addinfo, 0);
121 static void clear_error (ZOOM_connection c)
126 case ZOOM_ERROR_CONNECT:
127 case ZOOM_ERROR_MEMORY:
128 case ZOOM_ERROR_DECODE:
129 case ZOOM_ERROR_CONNECTION_LOST:
130 case ZOOM_ERROR_INIT:
131 case ZOOM_ERROR_INTERNAL:
132 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
135 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
139 ZOOM_task ZOOM_connection_add_task (ZOOM_connection c, int which)
141 ZOOM_task *taskp = &c->tasks;
143 taskp = &(*taskp)->next;
144 *taskp = (ZOOM_task) xmalloc (sizeof(**taskp));
145 (*taskp)->running = 0;
146 (*taskp)->which = which;
152 ZOOM_task ZOOM_connection_insert_task (ZOOM_connection c, int which)
154 ZOOM_task task = (ZOOM_task) xmalloc (sizeof(*task));
156 task->next = c->tasks;
165 void ZOOM_connection_remove_task (ZOOM_connection c)
167 ZOOM_task task = c->tasks;
171 c->tasks = task->next;
174 case ZOOM_TASK_SEARCH:
175 ZOOM_resultset_destroy (task->u.search.resultset);
177 case ZOOM_TASK_RETRIEVE:
178 ZOOM_resultset_destroy (task->u.retrieve.resultset);
180 case ZOOM_TASK_CONNECT:
183 ZOOM_scanset_destroy (task->u.scan.scan);
185 case ZOOM_TASK_PACKAGE:
186 ZOOM_package_destroy (task->u.package);
195 static int ZOOM_connection_exec_task (ZOOM_connection c);
197 void ZOOM_connection_remove_tasks (ZOOM_connection c)
200 ZOOM_connection_remove_task(c);
203 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos);
205 ZOOM_API(ZOOM_connection)
206 ZOOM_connection_create (ZOOM_options options)
208 ZOOM_connection c = (ZOOM_connection) xmalloc (sizeof(*c));
210 c->proto = PROTO_Z3950;
214 c->state = STATE_IDLE;
216 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
223 c->options = ZOOM_options_create_with_parent(options);
229 c->charset = c->lang = 0;
236 c->odr_in = odr_createmem (ODR_DECODE);
237 c->odr_out = odr_createmem (ODR_ENCODE);
240 c->support_named_resultsets = 0;
241 c->last_event = ZOOM_EVENT_NONE;
243 c->m_queue_front = 0;
248 /* set database names. Take local databases (if set); otherwise
249 take databases given in ZURL (if set); otherwise use Default */
250 static char **set_DatabaseNames (ZOOM_connection con, ZOOM_options options,
253 char **databaseNames;
256 const char *cp = ZOOM_options_get (options, "databaseName");
260 if (strncmp (con->host_port, "unix:", 5) == 0)
261 cp = strchr (con->host_port+5, ':');
263 cp = strchr (con->host_port, '/');
270 while ((c = strchr(c, '+')))
278 databaseNames = (char**)
279 odr_malloc (con->odr_out, no * sizeof(*databaseNames));
283 c = strchr (cp, '+');
291 /* cp ptr to first char of db name, c is char
293 databaseNames[no] = (char*) odr_malloc (con->odr_out, 1+c-cp);
294 memcpy (databaseNames[no], cp, c-cp);
295 databaseNames[no++][c-cp] = '\0';
300 databaseNames[no] = NULL;
302 return databaseNames;
305 ZOOM_API(ZOOM_connection)
306 ZOOM_connection_new (const char *host, int portnum)
308 ZOOM_connection c = ZOOM_connection_create (0);
310 ZOOM_connection_connect (c, host, portnum);
315 ZOOM_connection_connect(ZOOM_connection c,
316 const char *host, int portnum)
323 yaz_log (LOG_DEBUG, "reconnect");
327 yaz_log(LOG_DEBUG, "connect");
329 val = ZOOM_options_get (c->options, "proxy");
331 c->proxy = xstrdup (val);
336 val = ZOOM_options_get (c->options, "charset");
338 c->charset = xstrdup (val);
343 val = ZOOM_options_get (c->options, "lang");
345 c->lang = xstrdup (val);
349 xfree (c->host_port);
353 sprintf (hostn, "%.80s:%d", host, portnum);
354 c->host_port = xstrdup(hostn);
357 c->host_port = xstrdup(host);
359 ZOOM_options_set(c->options, "host", c->host_port);
361 val = ZOOM_options_get (c->options, "cookie");
363 c->cookie_out = xstrdup (val);
365 val = ZOOM_options_get (c->options, "clientIP");
367 c->client_IP = xstrdup (val);
369 c->async = ZOOM_options_get_bool (c->options, "async", 0);
371 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
373 task = ZOOM_connection_add_task (c, ZOOM_TASK_CONNECT);
377 while (ZOOM_event (1, &c))
383 ZOOM_query_create(void)
385 ZOOM_query s = (ZOOM_query) xmalloc (sizeof(*s));
390 s->odr = odr_createmem (ODR_ENCODE);
397 ZOOM_query_destroy(ZOOM_query s)
403 yaz_log (LOG_DEBUG, "ZOOM_query_destroy count=%d", s->refcount);
404 if (s->refcount == 0)
406 odr_destroy (s->odr);
412 ZOOM_query_prefix(ZOOM_query s, const char *str)
414 s->query_string = odr_strdup(s->odr, str);
415 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
416 s->z_query->which = Z_Query_type_1;
417 s->z_query->u.type_1 = p_query_rpn(s->odr, PROTO_Z3950, str);
418 if (!s->z_query->u.type_1)
424 ZOOM_query_cql(ZOOM_query s, const char *str)
428 s->query_string = odr_strdup(s->odr, str);
430 ext = (Z_External *) odr_malloc(s->odr, sizeof(*ext));
431 ext->direct_reference = odr_getoidbystr(s->odr, "1.2.840.10003.16.2");
432 ext->indirect_reference = 0;
434 ext->which = Z_External_CQL;
435 ext->u.cql = s->query_string;
437 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
438 s->z_query->which = Z_Query_type_104;
439 s->z_query->u.type_104 = ext;
445 ZOOM_query_sortby(ZOOM_query s, const char *criteria)
447 s->sort_spec = yaz_sort_spec (s->odr, criteria);
453 static zoom_ret do_write(ZOOM_connection c);
456 ZOOM_connection_destroy(ZOOM_connection c)
463 for (r = c->resultsets; r; r = r->next)
468 odr_destroy (c->odr_in);
469 odr_destroy (c->odr_out);
470 ZOOM_options_destroy (c->options);
471 ZOOM_connection_remove_tasks (c);
472 xfree (c->host_port);
477 xfree (c->cookie_out);
478 xfree (c->cookie_in);
479 xfree (c->client_IP);
483 void ZOOM_resultset_addref (ZOOM_resultset r)
488 yaz_log (LOG_DEBUG, "ZOOM_resultset_addref r=%p count=%d",
492 ZOOM_resultset ZOOM_resultset_create ()
494 ZOOM_resultset r = (ZOOM_resultset) xmalloc (sizeof(*r));
496 yaz_log (LOG_DEBUG, "ZOOM_resultset_create r = %p", r);
499 r->odr = odr_createmem (ODR_ENCODE);
513 ZOOM_API(ZOOM_resultset)
514 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
517 ZOOM_query s = ZOOM_query_create();
519 ZOOM_query_prefix (s, q);
521 r = ZOOM_connection_search (c, s);
522 ZOOM_query_destroy (s);
526 ZOOM_API(ZOOM_resultset)
527 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
529 ZOOM_resultset r = ZOOM_resultset_create ();
533 r->r_sort_spec = q->sort_spec;
536 r->options = ZOOM_options_create_with_parent(c->options);
538 r->start = ZOOM_options_get_int(r->options, "start", 0);
539 r->count = ZOOM_options_get_int(r->options, "count", 0);
540 r->piggyback = ZOOM_options_get_bool (r->options, "piggyback", 1);
541 cp = ZOOM_options_get (r->options, "setname");
543 r->setname = xstrdup(cp);
544 cp = ZOOM_options_get (r->options, "schema");
546 r->schema = xstrdup(cp);
550 r->next = c->resultsets;
553 if (c->host_port && c->proto == PROTO_HTTP)
557 yaz_log(LOG_DEBUG, "NO COMSTACK");
558 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
562 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
567 task = ZOOM_connection_add_task (c, ZOOM_TASK_SEARCH);
568 task->u.search.resultset = r;
569 ZOOM_resultset_addref (r);
575 while (ZOOM_event (1, &c))
582 ZOOM_resultset_destroy(ZOOM_resultset r)
587 yaz_log (LOG_DEBUG, "ZOOM_resultset_destroy r = %p count=%d",
589 if (r->refcount == 0)
591 ZOOM_record_cache rc;
593 for (rc = r->record_cache; rc; rc = rc->next)
594 if (rc->rec.wrbuf_marc)
595 wrbuf_free (rc->rec.wrbuf_marc, 1);
598 /* remove ourselves from the resultsets in connection */
599 ZOOM_resultset *rp = &r->connection->resultsets;
602 assert (*rp); /* we must be in this list!! */
604 { /* OK, we're here - take us out of it */
611 ZOOM_query_destroy (r->query);
612 ZOOM_options_destroy (r->options);
613 odr_destroy (r->odr);
621 ZOOM_resultset_size (ZOOM_resultset r)
626 static void do_close (ZOOM_connection c)
632 c->state = STATE_IDLE;
635 static void ZOOM_resultset_retrieve (ZOOM_resultset r,
636 int force_sync, int start, int count)
648 if (c->host_port && c->proto == PROTO_HTTP)
652 yaz_log(LOG_DEBUG, "NO COMSTACK");
653 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
657 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
661 task = ZOOM_connection_add_task (c, ZOOM_TASK_RETRIEVE);
662 task->u.retrieve.resultset = r;
663 task->u.retrieve.start = start;
664 task->u.retrieve.count = count;
666 cp = ZOOM_options_get (r->options, "schema");
669 if (!r->schema || strcmp(r->schema, cp))
672 r->schema = xstrdup(cp);
676 ZOOM_resultset_addref (r);
678 if (!r->connection->async || force_sync)
679 while (r->connection && ZOOM_event (1, &r->connection))
684 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
685 size_t start, size_t count)
687 int force_present = 0;
693 ZOOM_resultset_retrieve (r, force_present, start, count);
697 for (i = 0; i< count; i++)
698 recs[i] = ZOOM_resultset_record_immediate (r, i+start);
702 static zoom_ret do_connect (ZOOM_connection c)
705 const char *effective_host;
708 effective_host = c->proxy;
710 effective_host = c->host_port;
712 yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
716 if (memcmp(c->host_port, "http:", 5) == 0)
720 c->proto = PROTO_HTTP;
721 effective_host = c->host_port + 5;
722 if (*effective_host == '/')
724 if (*effective_host == '/')
726 if (!(path = strchr(effective_host, '/')))
729 c->path = xstrdup(path);
731 c->state = STATE_IDLE;
732 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
733 return zoom_complete;
736 c->cs = cs_create_host (effective_host, 0, &add);
740 int ret = cs_connect (c->cs, add);
743 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
744 ZOOM_connection_put_event(c, event);
745 if (c->proto == PROTO_Z3950)
746 ZOOM_connection_send_init(c);
749 /* no init request for SRW .. */
750 assert (c->tasks->which == ZOOM_TASK_CONNECT);
751 ZOOM_connection_remove_task (c);
753 ZOOM_connection_exec_task (c);
755 c->state = STATE_ESTABLISHED;
760 c->state = STATE_CONNECTING;
761 c->mask = ZOOM_SELECT_EXCEPT;
762 if (c->cs->io_pending & CS_WANT_WRITE)
763 c->mask += ZOOM_SELECT_WRITE;
764 if (c->cs->io_pending & CS_WANT_READ)
765 c->mask += ZOOM_SELECT_READ;
769 c->state = STATE_IDLE;
770 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
771 return zoom_complete;
774 int z3950_connection_socket(ZOOM_connection c)
777 return cs_fileno(c->cs);
781 int z3950_connection_mask(ZOOM_connection c)
788 static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
791 for (i = 0; i<200; i++)
794 Z_OtherInformation **oi;
800 sprintf (buf, "otherInfo%d", i);
801 val = ZOOM_options_get (c->options, buf);
804 cp = strchr (val, ':');
808 if (len >= sizeof(buf))
810 memcpy (buf, val, len);
812 oidval = oid_getvalbyname (buf);
813 if (oidval == VAL_NONE)
817 yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
821 static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
826 Z_OtherInformation **oi;
828 yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
832 Z_OtherInformation **oi;
834 yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
836 otherInfo_attach (c, a, out);
837 if (!z_APDU(out, &a, 0, 0))
839 FILE *outf = fopen("/tmp/apdu.txt", "a");
842 ODR odr_pr = odr_createmem(ODR_PRINT);
843 fprintf (outf, "a=%p\n", a);
844 odr_setprint(odr_pr, outf);
845 z_APDU(odr_pr, &a, 0, 0);
848 yaz_log (LOG_DEBUG, "encoding failed");
849 set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
857 static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
861 if (encode_APDU(c, a, c->odr_out))
862 return zoom_complete;
863 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
864 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
865 ZOOM_connection_put_event (c, event);
866 odr_reset(c->odr_out);
870 /* returns 1 if PDU was sent OK (still pending )
871 0 if PDU was not sent OK (nothing to wait for)
874 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
877 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
878 Z_InitRequest *ireq = apdu->u.initRequest;
879 Z_IdAuthentication *auth = (Z_IdAuthentication *)
880 odr_malloc(c->odr_out, sizeof(*auth));
881 const char *auth_groupId = ZOOM_options_get (c->options, "group");
882 const char *auth_userId = ZOOM_options_get (c->options, "user");
883 const char *auth_password = ZOOM_options_get (c->options, "pass");
885 ODR_MASK_SET(ireq->options, Z_Options_search);
886 ODR_MASK_SET(ireq->options, Z_Options_present);
887 ODR_MASK_SET(ireq->options, Z_Options_scan);
888 ODR_MASK_SET(ireq->options, Z_Options_sort);
889 ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
890 ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
892 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
893 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
894 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
896 impname = ZOOM_options_get (c->options, "implementationName");
897 ireq->implementationName =
898 (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
899 strcpy (ireq->implementationName, "");
902 strcat (ireq->implementationName, impname);
903 strcat (ireq->implementationName, "/");
905 strcat (ireq->implementationName, "ZOOM-C/YAZ");
907 *ireq->maximumRecordSize =
908 ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
909 *ireq->preferredMessageSize =
910 ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
912 if (auth_groupId || auth_password)
914 Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
917 if (auth_groupId && *auth_groupId)
919 pass->groupId = (char *)
920 odr_malloc(c->odr_out, strlen(auth_groupId)+1);
921 strcpy(pass->groupId, auth_groupId);
925 if (auth_userId && *auth_userId)
927 pass->userId = (char *)
928 odr_malloc(c->odr_out, strlen(auth_userId)+1);
929 strcpy(pass->userId, auth_userId);
933 if (auth_password && *auth_password)
935 pass->password = (char *)
936 odr_malloc(c->odr_out, strlen(auth_password)+1);
937 strcpy(pass->password, auth_password);
942 auth->which = Z_IdAuthentication_idPass;
943 auth->u.idPass = pass;
944 ireq->idAuthentication = auth;
947 else if (auth_userId)
949 auth->which = Z_IdAuthentication_open;
950 auth->u.open = (char *)
951 odr_malloc(c->odr_out, strlen(auth_userId)+1);
952 strcpy(auth->u.open, auth_userId);
953 ireq->idAuthentication = auth;
956 yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
957 VAL_PROXY, 1, c->host_port);
958 if (c->charset||c->lang)
960 Z_OtherInformation **oi;
961 Z_OtherInformationUnit *oi_unit;
963 yaz_oi_APDU(apdu, &oi);
965 if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
967 ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
969 oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
970 oi_unit->information.externallyDefinedInfo =
971 yaz_set_proposal_charneg
973 (const char **)&c->charset, (c->charset) ? 1:0,
974 (const char **)&c->lang, (c->lang) ? 1:0, 1);
978 return send_APDU (c, apdu);
982 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_searchRetrieve *sr)
984 Z_SOAP_Handler h[2] = {
985 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
988 ODR o = odr_createmem(ODR_ENCODE);
990 Z_SOAP *p = odr_malloc(o, sizeof(*p));
994 gdu = z_get_HTTP_Request(c->odr_out);
995 gdu->u.HTTP_Request->path = c->path;
996 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
997 "Content-Type", "text/xml");
998 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
999 "SOAPAction", "\"\"");
1000 p->which = Z_SOAP_generic;
1001 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
1002 p->u.generic->no = 0;
1003 p->u.generic->ns = 0;
1004 p->u.generic->p = sr;
1005 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
1007 ret = z_soap_codec(o, &p,
1008 &gdu->u.HTTP_Request->content_buf,
1009 &gdu->u.HTTP_Request->content_len, h);
1011 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1012 return zoom_complete;
1013 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1017 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1018 ZOOM_connection_put_event (c, event);
1019 odr_reset(c->odr_out);
1020 return do_write (c);
1025 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1028 ZOOM_resultset resultset = 0;
1029 Z_SRW_searchRetrieve *sr = 0;
1031 if (c->error) /* don't continue on error */
1032 return zoom_complete;
1034 if (c->tasks->which == ZOOM_TASK_SEARCH)
1036 resultset = c->tasks->u.search.resultset;
1037 resultset->setname = xstrdup ("default");
1038 ZOOM_options_set (resultset->options, "setname", resultset->setname);
1040 else if(c->tasks->which == ZOOM_TASK_RETRIEVE)
1042 resultset = c->tasks->u.retrieve.resultset;
1044 resultset->start = c->tasks->u.retrieve.start;
1045 resultset->count = c->tasks->u.retrieve.count;
1047 if (resultset->start >= resultset->size)
1048 return zoom_complete;
1049 if (resultset->start + resultset->count > resultset->size)
1050 resultset->count = resultset->size - resultset->start;
1052 for (i = 0; i<resultset->count; i++)
1055 record_cache_lookup (resultset, i + resultset->start);
1059 if (i == resultset->count)
1060 return zoom_complete;
1062 assert(resultset->query);
1064 sr = yaz_srw_get(c->odr_out, Z_SRW_searchRetrieve_request);
1066 if (resultset->query->z_query->which == Z_Query_type_104
1067 && resultset->query->z_query->u.type_104->which == Z_External_CQL)
1069 sr->u.request->query = resultset->query->z_query->u.type_104->u.cql;
1071 else if (resultset->query->z_query->which == Z_Query_type_1 &&
1072 resultset->query->z_query->u.type_1)
1074 sr->u.request->pQuery = resultset->query->query_string;
1078 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
1079 return zoom_complete;
1081 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
1082 sr->u.request->maximumRecords = odr_intdup (c->odr_out, resultset->count);
1083 sr->u.request->recordSchema = resultset->schema;
1086 return send_srw(c, sr);
1089 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1091 return zoom_complete;
1095 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
1098 int lslb, ssub, mspn;
1100 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
1101 Z_SearchRequest *search_req = apdu->u.searchRequest;
1102 const char *elementSetName;
1103 const char *smallSetElementSetName;
1104 const char *mediumSetElementSetName;
1107 assert (c->tasks->which == ZOOM_TASK_SEARCH);
1109 r = c->tasks->u.search.resultset;
1112 ZOOM_options_get (r->options, "elementSetName");
1113 smallSetElementSetName =
1114 ZOOM_options_get (r->options, "smallSetElementSetName");
1115 mediumSetElementSetName =
1116 ZOOM_options_get (r->options, "mediumSetElementSetName");
1118 if (!smallSetElementSetName)
1119 smallSetElementSetName = elementSetName;
1121 if (!mediumSetElementSetName)
1122 mediumSetElementSetName = elementSetName;
1127 /* prepare query for the search request */
1128 search_req->query = r->query->z_query;
1130 search_req->databaseNames =
1131 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1133 /* get syntax (no need to provide unless piggyback is in effect) */
1134 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1136 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1137 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1138 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1139 if (lslb != -1 && ssub != -1 && mspn != -1)
1141 /* So're a Z39.50 expert? Let's hope you don't do sort */
1142 *search_req->largeSetLowerBound = lslb;
1143 *search_req->smallSetUpperBound = ssub;
1144 *search_req->mediumSetPresentNumber = mspn;
1146 else if (r->start == 0 && r->count > 0
1147 && r->piggyback && !r->r_sort_spec && !r->schema)
1149 /* Regular piggyback - do it unless we're going to do sort */
1150 *search_req->largeSetLowerBound = 2000000000;
1151 *search_req->smallSetUpperBound = 0;
1152 *search_req->mediumSetPresentNumber = r->count;
1153 smallSetElementSetName = 0;
1157 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1158 smallSetElementSetName = 0;
1159 mediumSetElementSetName = 0;
1162 if (smallSetElementSetName && *smallSetElementSetName)
1164 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1165 odr_malloc (c->odr_out, sizeof(*esn));
1167 esn->which = Z_ElementSetNames_generic;
1168 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1169 search_req->smallSetElementSetNames = esn;
1171 if (mediumSetElementSetName && *mediumSetElementSetName)
1173 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1174 odr_malloc (c->odr_out, sizeof(*esn));
1176 esn->which = Z_ElementSetNames_generic;
1177 esn->u.generic = odr_strdup (c->odr_out, mediumSetElementSetName);
1178 search_req->mediumSetElementSetNames = esn;
1181 search_req->preferredRecordSyntax =
1182 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1186 if (c->support_named_resultsets)
1190 /* find the lowest unused ordinal so that we re-use
1191 result sets on the server. */
1192 for (ord = 1; ; ord++)
1195 sprintf (setname, "%d", ord);
1196 for (rp = c->resultsets; rp; rp = rp->next)
1197 if (rp->setname && !strcmp (rp->setname, setname))
1202 r->setname = xstrdup (setname);
1203 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1206 r->setname = xstrdup ("default");
1207 ZOOM_options_set (r->options, "setname", r->setname);
1209 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1210 /* send search request */
1211 return send_APDU (c, apdu);
1214 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1217 Z_DefaultDiagFormat *r;
1222 if (p->which != Z_DiagRec_defaultFormat)
1224 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1227 r = p->u.defaultFormat;
1230 case Z_DefaultDiagFormat_v2Addinfo:
1231 addinfo = r->u.v2Addinfo;
1233 case Z_DefaultDiagFormat_v3Addinfo:
1234 addinfo = r->u.v3Addinfo;
1237 set_dset_error(c, *r->condition,
1238 yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
1242 ZOOM_API(ZOOM_record)
1243 ZOOM_record_clone (ZOOM_record srec)
1250 odr_enc = odr_createmem(ODR_ENCODE);
1251 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1253 buf = odr_getbuf (odr_enc, &size, 0);
1255 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1256 nrec->odr = odr_createmem(ODR_DECODE);
1257 nrec->wrbuf_marc = 0;
1258 odr_setbuf (nrec->odr, buf, size, 0);
1259 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1261 odr_destroy (odr_enc);
1265 ZOOM_API(ZOOM_record)
1266 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1268 return record_cache_lookup (s, pos);
1271 ZOOM_API(ZOOM_record)
1272 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1274 ZOOM_resultset_retrieve (r, 1, pos, 1);
1275 return ZOOM_resultset_record_immediate (r, pos);
1279 ZOOM_record_destroy (ZOOM_record rec)
1283 if (rec->wrbuf_marc)
1284 wrbuf_free (rec->wrbuf_marc, 1);
1285 odr_destroy (rec->odr);
1289 ZOOM_API(const char *)
1290 ZOOM_record_get (ZOOM_record rec, const char *type, int *len)
1292 Z_NamePlusRecord *npr;
1295 *len = 0; /* default return */
1302 if (!strcmp (type, "database"))
1305 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1306 return npr->databaseName;
1308 else if (!strcmp (type, "syntax"))
1310 const char *desc = 0;
1311 if (npr->which == Z_NamePlusRecord_databaseRecord)
1313 Z_External *r = (Z_External *) npr->u.databaseRecord;
1314 oident *ent = oid_getentbyoid(r->direct_reference);
1321 *len = strlen(desc);
1324 else if (!strcmp (type, "render") &&
1325 npr->which == Z_NamePlusRecord_databaseRecord)
1327 Z_External *r = (Z_External *) npr->u.databaseRecord;
1328 oident *ent = oid_getentbyoid(r->direct_reference);
1330 if (r->which == Z_External_sutrs)
1332 if (len) *len = r->u.sutrs->len;
1333 return (const char *) r->u.sutrs->buf;
1335 else if (r->which == Z_External_octet)
1345 case VAL_APPLICATION_XML:
1348 if (!rec->wrbuf_marc)
1349 rec->wrbuf_marc = wrbuf_alloc();
1351 mt = yaz_marc_create();
1352 wrbuf_rewind (rec->wrbuf_marc);
1353 if (yaz_marc_decode_wrbuf (
1354 mt, (const char *) r->u.octet_aligned->buf,
1355 r->u.octet_aligned->len,
1356 rec->wrbuf_marc) > 0)
1359 *len = wrbuf_len(rec->wrbuf_marc);
1360 yaz_marc_destroy(mt);
1361 return wrbuf_buf(rec->wrbuf_marc);
1363 yaz_marc_destroy(mt);
1366 *len = r->u.octet_aligned->len;
1367 return (const char *) r->u.octet_aligned->buf;
1369 else if (r->which == Z_External_grs1)
1371 if (!rec->wrbuf_marc)
1372 rec->wrbuf_marc = wrbuf_alloc();
1373 wrbuf_rewind (rec->wrbuf_marc);
1374 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1376 *len = wrbuf_len(rec->wrbuf_marc);
1377 return wrbuf_buf(rec->wrbuf_marc);
1381 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1382 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1384 Z_External *r = (Z_External *) npr->u.databaseRecord;
1385 oident *ent = oid_getentbyoid(r->direct_reference);
1387 if (r->which == Z_External_sutrs)
1389 if (len) *len = r->u.sutrs->len;
1390 return (const char *) r->u.sutrs->buf;
1392 else if (r->which == Z_External_octet)
1395 int marc_decode_type = YAZ_MARC_MARCXML;
1397 if (!strcmp(type, "oai"))
1398 marc_decode_type = YAZ_MARC_OAIMARC;
1406 case VAL_APPLICATION_XML:
1409 if (!rec->wrbuf_marc)
1410 rec->wrbuf_marc = wrbuf_alloc();
1411 wrbuf_rewind (rec->wrbuf_marc);
1412 mt = yaz_marc_create();
1414 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1415 if (yaz_marc_decode_wrbuf (
1416 mt, (const char *) r->u.octet_aligned->buf,
1417 r->u.octet_aligned->len,
1418 rec->wrbuf_marc) > 0)
1421 *len = wrbuf_len(rec->wrbuf_marc);
1422 yaz_marc_destroy(mt);
1423 return wrbuf_buf(rec->wrbuf_marc);
1425 yaz_marc_destroy(mt);
1427 if (len) *len = r->u.octet_aligned->len;
1428 return (const char *) r->u.octet_aligned->buf;
1430 else if (r->which == Z_External_grs1)
1437 else if (!strcmp (type, "raw"))
1439 if (npr->which == Z_NamePlusRecord_databaseRecord)
1441 Z_External *r = (Z_External *) npr->u.databaseRecord;
1443 if (r->which == Z_External_sutrs)
1445 if (len) *len = r->u.sutrs->len;
1446 return (const char *) r->u.sutrs->buf;
1448 else if (r->which == Z_External_octet)
1450 if (len) *len = r->u.octet_aligned->len;
1451 return (const char *) r->u.octet_aligned->buf;
1453 else /* grs-1, explain, ... */
1456 return (const char *) npr->u.databaseRecord;
1461 else if (!strcmp (type, "ext"))
1463 if (npr->which == Z_NamePlusRecord_databaseRecord)
1464 return (const char *) npr->u.databaseRecord;
1470 static int strcmp_null(const char *v1, const char *v2)
1476 return strcmp(v1, v2);
1479 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr,
1482 ZOOM_record_cache rc;
1483 const char *elementSetName =
1484 ZOOM_resultset_option_get (r, "elementSetName");
1485 const char *syntax =
1486 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1488 for (rc = r->record_cache; rc; rc = rc->next)
1492 if (strcmp_null(r->schema, rc->schema))
1494 if (strcmp_null(elementSetName,rc->elementSetName))
1496 if (strcmp_null(syntax, rc->syntax))
1498 /* not destroying rc->npr (it's handled by nmem )*/
1500 /* keeping wrbuf_marc too */
1504 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1507 rc->rec.wrbuf_marc = 0;
1509 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1511 rc->elementSetName = 0;
1514 rc->syntax = odr_strdup (r->odr, syntax);
1519 rc->schema = odr_strdup (r->odr, r->schema);
1524 rc->next = r->record_cache;
1525 r->record_cache = rc;
1528 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1530 ZOOM_record_cache rc;
1531 const char *elementSetName =
1532 ZOOM_resultset_option_get (r, "elementSetName");
1533 const char *syntax =
1534 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1536 for (rc = r->record_cache; rc; rc = rc->next)
1540 if (strcmp_null(r->schema, rc->schema))
1542 if (strcmp_null(elementSetName,rc->elementSetName))
1544 if (strcmp_null(syntax, rc->syntax))
1552 static void handle_records (ZOOM_connection c, Z_Records *sr,
1555 ZOOM_resultset resultset;
1559 switch (c->tasks->which)
1561 case ZOOM_TASK_SEARCH:
1562 resultset = c->tasks->u.search.resultset;
1564 case ZOOM_TASK_RETRIEVE:
1565 resultset = c->tasks->u.retrieve.resultset;
1570 if (sr && sr->which == Z_Records_NSD)
1572 Z_DiagRec dr, *dr_p = &dr;
1573 dr.which = Z_DiagRec_defaultFormat;
1574 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1576 response_diag (c, dr_p);
1578 else if (sr && sr->which == Z_Records_multipleNSD)
1580 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1581 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1583 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1587 if (resultset->count + resultset->start > resultset->size)
1588 resultset->count = resultset->size - resultset->start;
1589 if (resultset->count < 0)
1590 resultset->count = 0;
1591 if (sr && sr->which == Z_Records_DBOSD)
1594 NMEM nmem = odr_extract_mem (c->odr_in);
1595 Z_NamePlusRecordList *p =
1596 sr->u.databaseOrSurDiagnostics;
1597 for (i = 0; i<p->num_records; i++)
1599 record_cache_add (resultset, p->records[i],
1600 i+ resultset->start);
1602 /* transfer our response to search_nmem .. we need it later */
1603 nmem_transfer (resultset->odr->mem, nmem);
1604 nmem_destroy (nmem);
1605 if (present_phase && p->num_records == 0)
1607 /* present response and we didn't get any records! */
1608 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1611 else if (present_phase)
1613 /* present response and we didn't get any records! */
1614 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1619 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1621 handle_records (c, pr->records, 1);
1624 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1626 ZOOM_resultset resultset;
1628 yaz_log (LOG_DEBUG, "got search response");
1630 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1633 resultset = c->tasks->u.search.resultset;
1635 resultset->size = *sr->resultCount;
1636 handle_records (c, sr->records, 0);
1639 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1641 if (res->diagnostics && res->num_diagnostics > 0)
1642 response_diag (c, res->diagnostics[0]);
1645 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1647 NMEM nmem = odr_extract_mem (c->odr_in);
1650 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1652 scan = c->tasks->u.scan.scan;
1654 if (res->entries && res->entries->nonsurrogateDiagnostics)
1655 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1656 scan->scan_response = res;
1657 nmem_transfer (scan->odr->mem, nmem);
1659 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1660 if (res->positionOfTerm)
1661 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1662 if (res->scanStatus)
1663 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1664 if (res->numberOfEntriesReturned)
1665 ZOOM_options_set_int (scan->options, "number",
1666 *res->numberOfEntriesReturned);
1667 nmem_destroy (nmem);
1671 static zoom_ret send_sort (ZOOM_connection c)
1673 ZOOM_resultset resultset;
1675 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1676 return zoom_complete;
1678 resultset = c->tasks->u.search.resultset;
1682 resultset->r_sort_spec = 0;
1683 return zoom_complete;
1685 if (resultset->r_sort_spec)
1687 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1688 Z_SortRequest *req = apdu->u.sortRequest;
1690 req->num_inputResultSetNames = 1;
1691 req->inputResultSetNames = (Z_InternationalString **)
1692 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1693 req->inputResultSetNames[0] =
1694 odr_strdup (c->odr_out, resultset->setname);
1695 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1696 req->sortSequence = resultset->r_sort_spec;
1697 resultset->r_sort_spec = 0;
1698 return send_APDU (c, apdu);
1700 return zoom_complete;
1703 static zoom_ret send_present (ZOOM_connection c)
1706 Z_PresentRequest *req = 0;
1708 const char *syntax = 0;
1709 const char *elementSetName = 0;
1710 ZOOM_resultset resultset;
1713 return zoom_complete;
1715 switch (c->tasks->which)
1717 case ZOOM_TASK_SEARCH:
1718 resultset = c->tasks->u.search.resultset;
1720 case ZOOM_TASK_RETRIEVE:
1721 resultset = c->tasks->u.retrieve.resultset;
1722 resultset->start = c->tasks->u.retrieve.start;
1723 resultset->count = c->tasks->u.retrieve.count;
1725 if (resultset->start >= resultset->size)
1726 return zoom_complete;
1727 if (resultset->start + resultset->count > resultset->size)
1728 resultset->count = resultset->size - resultset->start;
1731 return zoom_complete;
1734 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1735 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1737 if (c->error) /* don't continue on error */
1738 return zoom_complete;
1739 if (resultset->start < 0)
1740 return zoom_complete;
1741 for (i = 0; i<resultset->count; i++)
1744 record_cache_lookup (resultset, i + resultset->start);
1748 if (i == resultset->count)
1749 return zoom_complete;
1751 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1752 req = apdu->u.presentRequest;
1754 resultset->start += i;
1755 resultset->count -= i;
1756 *req->resultSetStartPoint = resultset->start + 1;
1757 *req->numberOfRecordsRequested = resultset->count;
1758 assert (*req->numberOfRecordsRequested > 0);
1760 if (syntax && *syntax)
1761 req->preferredRecordSyntax =
1762 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1764 if (resultset->schema && *resultset->schema)
1766 Z_RecordComposition *compo = (Z_RecordComposition *)
1767 odr_malloc (c->odr_out, sizeof(*compo));
1769 req->recordComposition = compo;
1770 compo->which = Z_RecordComp_complex;
1771 compo->u.complex = (Z_CompSpec *)
1772 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1773 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1774 odr_malloc(c->odr_out, sizeof(bool_t));
1775 *compo->u.complex->selectAlternativeSyntax = 0;
1777 compo->u.complex->generic = (Z_Specification *)
1778 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1780 compo->u.complex->generic->which = Z_Schema_oid;
1781 compo->u.complex->generic->schema.oid = (Odr_oid *)
1782 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, resultset->schema);
1784 if (!compo->u.complex->generic->schema.oid)
1786 /* OID wasn't a schema! Try record syntax instead. */
1788 compo->u.complex->generic->schema.oid = (Odr_oid *)
1789 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
1791 if (elementSetName && *elementSetName)
1793 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
1794 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
1795 compo->u.complex->generic->elementSpec->which =
1796 Z_ElementSpec_elementSetName;
1797 compo->u.complex->generic->elementSpec->u.elementSetName =
1798 odr_strdup (c->odr_out, elementSetName);
1801 compo->u.complex->generic->elementSpec = 0;
1802 compo->u.complex->num_dbSpecific = 0;
1803 compo->u.complex->dbSpecific = 0;
1804 compo->u.complex->num_recordSyntax = 0;
1805 compo->u.complex->recordSyntax = 0;
1807 else if (elementSetName && *elementSetName)
1809 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1810 odr_malloc (c->odr_out, sizeof(*esn));
1811 Z_RecordComposition *compo = (Z_RecordComposition *)
1812 odr_malloc (c->odr_out, sizeof(*compo));
1814 esn->which = Z_ElementSetNames_generic;
1815 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
1816 compo->which = Z_RecordComp_simple;
1817 compo->u.simple = esn;
1818 req->recordComposition = compo;
1820 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
1821 return send_APDU (c, apdu);
1824 ZOOM_API(ZOOM_scanset)
1825 ZOOM_connection_scan (ZOOM_connection c, const char *start)
1827 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
1829 scan->connection = c;
1830 scan->odr = odr_createmem (ODR_DECODE);
1831 scan->options = ZOOM_options_create_with_parent (c->options);
1833 scan->scan_response = 0;
1835 if ((scan->termListAndStartPoint =
1836 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
1839 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
1840 task->u.scan.scan = scan;
1845 while (ZOOM_event (1, &c))
1853 ZOOM_scanset_destroy (ZOOM_scanset scan)
1858 if (scan->refcount == 0)
1860 odr_destroy (scan->odr);
1862 ZOOM_options_destroy (scan->options);
1867 static zoom_ret send_package (ZOOM_connection c)
1871 return zoom_complete;
1872 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1874 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1875 ZOOM_connection_put_event (c, event);
1877 return do_write_ex (c, c->tasks->u.package->buf_out,
1878 c->tasks->u.package->len_out);
1881 static zoom_ret send_scan (ZOOM_connection c)
1884 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
1885 Z_ScanRequest *req = apdu->u.scanRequest;
1887 return zoom_complete;
1888 assert (c->tasks->which == ZOOM_TASK_SCAN);
1889 scan = c->tasks->u.scan.scan;
1891 req->termListAndStartPoint = scan->termListAndStartPoint;
1892 req->attributeSet = scan->attributeSet;
1894 *req->numberOfTermsRequested =
1895 ZOOM_options_get_int(scan->options, "number", 10);
1897 req->preferredPositionInResponse =
1898 odr_intdup (c->odr_out,
1899 ZOOM_options_get_int(scan->options, "position", 1));
1902 odr_intdup (c->odr_out,
1903 ZOOM_options_get_int(scan->options, "stepSize", 0));
1905 req->databaseNames = set_DatabaseNames (c, scan->options,
1906 &req->num_databaseNames);
1908 return send_APDU (c, apdu);
1912 ZOOM_scanset_size (ZOOM_scanset scan)
1914 if (!scan || !scan->scan_response || !scan->scan_response->entries)
1916 return scan->scan_response->entries->num_entries;
1919 ZOOM_API(const char *)
1920 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
1923 const char *term = 0;
1924 size_t noent = ZOOM_scanset_size (scan);
1925 Z_ScanResponse *res = scan->scan_response;
1931 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1933 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1935 if (t->term->which == Z_Term_general)
1937 term = (const char *) t->term->u.general->buf;
1938 *len = t->term->u.general->len;
1940 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1945 ZOOM_API(const char *)
1946 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
1948 return ZOOM_options_get (scan->options, key);
1952 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
1955 ZOOM_options_set (scan->options, key, val);
1958 static Z_APDU *create_es_package (ZOOM_package p, int type)
1961 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
1962 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
1964 *req->function = Z_ExtendedServicesRequest_create;
1966 str = ZOOM_options_get(p->options, "package-name");
1968 req->packageName = nmem_strdup (p->odr_out->mem, str);
1970 str = ZOOM_options_get(p->options, "user-id");
1972 req->userId = nmem_strdup (p->odr_out->mem, str);
1974 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
1977 str = ZOOM_options_get(p->options, "function");
1980 if (!strcmp (str, "create"))
1982 if (!strcmp (str, "delete"))
1984 if (!strcmp (str, "modify"))
1990 static const char *ill_array_lookup (void *clientData, const char *idx)
1992 ZOOM_package p = (ZOOM_package) clientData;
1993 return ZOOM_options_get (p->options, idx+4);
1996 static Z_External *encode_ill_request (ZOOM_package p)
1998 ODR out = p->odr_out;
2001 struct ill_get_ctl ctl;
2003 ctl.odr = p->odr_out;
2005 ctl.f = ill_array_lookup;
2007 req = ill_get_ILLRequest(&ctl, "ill", 0);
2009 if (!ill_Request (out, &req, 0, 0))
2011 int ill_request_size;
2012 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
2013 if (ill_request_buf)
2014 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
2020 int illRequest_size = 0;
2021 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
2023 oid.proto = PROTO_GENERAL;
2024 oid.oclass = CLASS_GENERAL;
2025 oid.value = VAL_ISO_ILL_1;
2027 r = (Z_External *) odr_malloc (out, sizeof(*r));
2028 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
2029 r->indirect_reference = 0;
2031 r->which = Z_External_single;
2033 r->u.single_ASN1_type = (Odr_oct *)
2034 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
2035 r->u.single_ASN1_type->buf = (unsigned char*)
2036 odr_malloc (out, illRequest_size);
2037 r->u.single_ASN1_type->len = illRequest_size;
2038 r->u.single_ASN1_type->size = illRequest_size;
2039 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
2044 static Z_ItemOrder *encode_item_order(ZOOM_package p)
2046 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
2049 req->which=Z_IOItemOrder_esRequest;
2050 req->u.esRequest = (Z_IORequest *)
2051 odr_malloc(p->odr_out,sizeof(Z_IORequest));
2053 /* to keep part ... */
2054 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
2055 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
2056 req->u.esRequest->toKeep->supplDescription = 0;
2057 req->u.esRequest->toKeep->contact = (Z_IOContact *)
2058 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
2060 str = ZOOM_options_get(p->options, "contact-name");
2061 req->u.esRequest->toKeep->contact->name = str ?
2062 nmem_strdup (p->odr_out->mem, str) : 0;
2064 str = ZOOM_options_get(p->options, "contact-phone");
2065 req->u.esRequest->toKeep->contact->phone = str ?
2066 nmem_strdup (p->odr_out->mem, str) : 0;
2068 str = ZOOM_options_get(p->options, "contact-email");
2069 req->u.esRequest->toKeep->contact->email = str ?
2070 nmem_strdup (p->odr_out->mem, str) : 0;
2072 req->u.esRequest->toKeep->addlBilling = 0;
2074 /* not to keep part ... */
2075 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
2076 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
2078 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
2079 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
2081 str = ZOOM_options_get(p->options, "itemorder-setname");
2084 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
2085 nmem_strdup (p->odr_out->mem, str);
2086 req->u.esRequest->notToKeep->resultSetItem->item =
2087 (int *) odr_malloc(p->odr_out, sizeof(int));
2089 str = ZOOM_options_get(p->options, "itemorder-item");
2090 *req->u.esRequest->notToKeep->resultSetItem->item =
2091 (str ? atoi(str) : 1);
2093 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
2099 ZOOM_package_send (ZOOM_package p, const char *type)
2106 odr_reset (p->odr_out);
2109 if (!strcmp(type, "itemorder"))
2112 apdu = create_es_package (p, VAL_ITEMORDER);
2115 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2117 r->direct_reference =
2118 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2121 r->which = Z_External_itemOrder;
2122 r->indirect_reference = 0;
2123 r->u.itemOrder = encode_item_order (p);
2125 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2130 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2134 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2135 task->u.package = p;
2136 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2137 p->buf_out = (char *) xmalloc (p->len_out);
2138 memcpy (p->buf_out, buf, p->len_out);
2143 while (ZOOM_event (1, &c))
2150 ZOOM_API(ZOOM_package)
2151 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2153 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2156 p->odr_out = odr_createmem (ODR_ENCODE);
2157 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2165 ZOOM_package_destroy(ZOOM_package p)
2170 if (p->refcount == 0)
2172 odr_destroy (p->odr_out);
2175 ZOOM_options_destroy (p->options);
2180 ZOOM_API(const char *)
2181 ZOOM_package_option_get (ZOOM_package p, const char *key)
2183 return ZOOM_options_get (p->options, key);
2188 ZOOM_package_option_set (ZOOM_package p, const char *key,
2191 ZOOM_options_set (p->options, key, val);
2194 static int ZOOM_connection_exec_task (ZOOM_connection c)
2196 ZOOM_task task = c->tasks;
2197 zoom_ret ret = zoom_complete;
2201 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2204 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2205 task->which, task->running);
2206 if (c->error != ZOOM_ERROR_NONE)
2208 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2209 ZOOM_connection_remove_tasks (c);
2214 yaz_log (LOG_DEBUG, "task already running");
2218 ret = zoom_complete;
2219 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2221 switch (task->which)
2223 case ZOOM_TASK_SEARCH:
2224 if (c->proto == PROTO_HTTP)
2225 ret = ZOOM_connection_srw_send_search(c);
2227 ret = ZOOM_connection_send_search(c);
2229 case ZOOM_TASK_RETRIEVE:
2230 if (c->proto == PROTO_HTTP)
2231 ret = ZOOM_connection_srw_send_search(c);
2233 ret = send_present (c);
2235 case ZOOM_TASK_CONNECT:
2236 ret = do_connect(c);
2238 case ZOOM_TASK_SCAN:
2241 case ZOOM_TASK_PACKAGE:
2242 ret = send_package(c);
2248 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2249 ZOOM_connection_remove_tasks (c);
2251 if (ret == zoom_complete)
2253 yaz_log (LOG_DEBUG, "task removed (complete)");
2254 ZOOM_connection_remove_task (c);
2257 yaz_log (LOG_DEBUG, "task pending");
2261 static zoom_ret send_sort_present (ZOOM_connection c)
2263 zoom_ret r = send_sort (c);
2264 if (r == zoom_complete)
2265 r = send_present (c);
2269 static int es_response (ZOOM_connection c,
2270 Z_ExtendedServicesResponse *res)
2272 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2274 if (res->diagnostics && res->num_diagnostics > 0)
2275 response_diag(c, res->diagnostics[0]);
2276 if (res->taskPackage &&
2277 res->taskPackage->which == Z_External_extendedService)
2279 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2280 Odr_oct *id = taskPackage->targetReference;
2283 ZOOM_options_setl (c->tasks->u.package->options,
2284 "targetReference", (char*) id->buf, id->len);
2290 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2292 Z_InitResponse *initrs;
2295 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2298 case Z_APDU_initResponse:
2299 initrs = apdu->u.initResponse;
2300 ZOOM_connection_option_set(c, "targetImplementationId",
2301 initrs->implementationId ?
2302 initrs->implementationId : "");
2303 ZOOM_connection_option_set(c, "targetImplementationName",
2304 initrs->implementationName ?
2305 initrs->implementationName : "");
2306 ZOOM_connection_option_set(c, "targetImplementationVersion",
2307 initrs->implementationVersion ?
2308 initrs->implementationVersion : "");
2309 if (!*initrs->result)
2311 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2316 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2318 xfree (c->cookie_in);
2321 c->cookie_in = xstrdup(cookie);
2322 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2323 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2324 c->support_named_resultsets = 1;
2327 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2328 ZOOM_connection_remove_task (c);
2330 ZOOM_connection_exec_task (c);
2332 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2334 NMEM tmpmem = nmem_create();
2335 Z_CharSetandLanguageNegotiation *p =
2336 yaz_get_charneg_record(initrs->otherInfo);
2340 char *charset=NULL, *lang=NULL;
2343 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2344 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2345 "language %s, select %d",
2346 charset ? charset : "none", lang ? lang : "none", sel);
2348 ZOOM_connection_option_set (c, "negotiation-charset",
2351 ZOOM_connection_option_set (c, "negotiation-lang",
2353 nmem_destroy(tmpmem);
2357 case Z_APDU_searchResponse:
2358 handle_search_response (c, apdu->u.searchResponse);
2359 if (send_sort_present (c) == zoom_complete)
2360 ZOOM_connection_remove_task (c);
2362 case Z_APDU_presentResponse:
2363 handle_present_response (c, apdu->u.presentResponse);
2364 if (send_present (c) == zoom_complete)
2365 ZOOM_connection_remove_task (c);
2367 case Z_APDU_sortResponse:
2368 sort_response (c, apdu->u.sortResponse);
2369 if (send_present (c) == zoom_complete)
2370 ZOOM_connection_remove_task (c);
2372 case Z_APDU_scanResponse:
2373 scan_response (c, apdu->u.scanResponse);
2374 ZOOM_connection_remove_task (c);
2376 case Z_APDU_extendedServicesResponse:
2377 es_response (c, apdu->u.extendedServicesResponse);
2378 ZOOM_connection_remove_task (c);
2381 if (c->reconnect_ok)
2384 c->tasks->running = 0;
2385 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2389 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2394 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2400 static void handle_srw_response(ZOOM_connection c,
2401 Z_SRW_searchRetrieveResponse *res)
2403 ZOOM_resultset resultset = 0;
2410 if (c->tasks->which == ZOOM_TASK_SEARCH)
2411 resultset = c->tasks->u.search.resultset;
2412 else if (c->tasks->which == ZOOM_TASK_RETRIEVE)
2413 resultset = c->tasks->u.retrieve.resultset;
2417 resultset->size = 0;
2419 yaz_log(LOG_DEBUG, "got SRW response OK");
2421 if (res->numberOfRecords)
2422 resultset->size = *res->numberOfRecords;
2424 for (i = 0; i<res->num_records; i++)
2428 Z_NamePlusRecord *npr = (Z_NamePlusRecord *)
2429 odr_malloc(c->odr_in, sizeof(Z_NamePlusRecord));
2431 if (res->records[i].recordPosition &&
2432 *res->records[i].recordPosition > 0)
2433 pos = *res->records[i].recordPosition - 1;
2435 pos = resultset->start + i;
2437 npr->databaseName = 0;
2438 npr->which = Z_NamePlusRecord_databaseRecord;
2439 npr->u.databaseRecord = (Z_External *)
2440 odr_malloc(c->odr_in, sizeof(Z_External));
2441 npr->u.databaseRecord->descriptor = 0;
2442 npr->u.databaseRecord->direct_reference =
2443 yaz_oidval_to_z3950oid(c->odr_in, CLASS_RECSYN, VAL_TEXT_XML);
2444 npr->u.databaseRecord->which = Z_External_octet;
2445 npr->u.databaseRecord->u.octet_aligned = (Odr_oct *)
2446 odr_malloc(c->odr_in, sizeof(Odr_oct));
2447 npr->u.databaseRecord->u.octet_aligned->buf =
2448 res->records[i].recordData_buf;
2449 npr->u.databaseRecord->u.octet_aligned->len =
2450 npr->u.databaseRecord->u.octet_aligned->size =
2451 res->records[i].recordData_len;
2452 record_cache_add (resultset, npr, pos);
2454 if (res->num_diagnostics > 0)
2456 set_dset_error(c, *res->diagnostics[0].code, "SRW",
2457 res->diagnostics[0].details, 0);
2459 nmem = odr_extract_mem(c->odr_in);
2460 nmem_transfer(resultset->odr->mem, nmem);
2466 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2469 const char *content_type = z_HTTP_header_lookup(hres->headers,
2471 const char *connection_head = z_HTTP_header_lookup(hres->headers,
2474 yaz_log (LOG_DEBUG, "handle_http");
2476 if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
2478 Z_SOAP *soap_package = 0;
2479 ODR o = odr_createmem(ODR_DECODE);
2480 Z_SOAP_Handler soap_handlers[2] = {
2481 {"http://www.loc.gov/zing/srw/v1.0/", 0,
2482 (Z_SOAP_fun) yaz_srw_codec},
2485 ret = z_soap_codec(o, &soap_package,
2486 &hres->content_buf, &hres->content_len,
2488 if (!ret && soap_package->which == Z_SOAP_generic &&
2489 soap_package->u.generic->no == 0)
2491 Z_SRW_searchRetrieve *sr = soap_package->u.generic->p;
2492 if (sr->which == Z_SRW_searchRetrieve_response)
2493 handle_srw_response(c, sr->u.response);
2497 else if (!ret && (soap_package->which == Z_SOAP_fault
2498 || soap_package->which == Z_SOAP_error))
2500 set_HTTP_error(c, hres->code,
2501 soap_package->u.fault->fault_code,
2502 soap_package->u.fault->fault_string);
2510 if (hres->code != 200)
2511 set_HTTP_error(c, hres->code, 0, 0);
2513 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2516 ZOOM_connection_remove_task(c);
2517 if (!strcmp(hres->version, "1.0"))
2519 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
2520 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
2525 /* HTTP 1.1: only if no close we stay alive .. */
2526 if (connection_head && !strcmp(connection_head, "close"))
2532 static int do_read (ZOOM_connection c)
2537 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2538 ZOOM_connection_put_event (c, event);
2540 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2542 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2547 if (c->reconnect_ok)
2550 c->reconnect_ok = 0;
2551 yaz_log (LOG_DEBUG, "reconnect read");
2552 c->tasks->running = 0;
2553 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2557 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2565 odr_reset (c->odr_in);
2566 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2567 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2568 ZOOM_connection_put_event (c, event);
2570 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2572 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2575 else if (gdu->which == Z_GDU_Z3950)
2576 handle_apdu (c, gdu->u.z3950);
2577 else if (gdu->which == Z_GDU_HTTP_Response)
2580 handle_http (c, gdu->u.HTTP_Response);
2582 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2586 c->reconnect_ok = 0;
2591 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2596 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2597 ZOOM_connection_put_event (c, event);
2599 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2600 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2602 if (c->reconnect_ok)
2605 c->reconnect_ok = 0;
2606 yaz_log (LOG_DEBUG, "reconnect write");
2607 c->tasks->running = 0;
2608 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2609 return zoom_pending;
2611 if (c->state == STATE_CONNECTING)
2612 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2614 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2616 return zoom_complete;
2620 c->mask = ZOOM_SELECT_EXCEPT;
2621 if (c->cs->io_pending & CS_WANT_WRITE)
2622 c->mask += ZOOM_SELECT_WRITE;
2623 if (c->cs->io_pending & CS_WANT_READ)
2624 c->mask += ZOOM_SELECT_READ;
2625 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2629 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2630 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2632 return zoom_pending;
2635 static zoom_ret do_write(ZOOM_connection c)
2637 return do_write_ex (c, c->buf_out, c->len_out);
2641 ZOOM_API(const char *)
2642 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2644 return ZOOM_options_get (c->options, key);
2648 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2651 ZOOM_options_set (c->options, key, val);
2654 ZOOM_API(const char *)
2655 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2657 return ZOOM_options_get (r->options, key);
2661 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2664 ZOOM_options_set (r->options, key, val);
2669 ZOOM_connection_errcode (ZOOM_connection c)
2671 return ZOOM_connection_error (c, 0, 0);
2674 ZOOM_API(const char *)
2675 ZOOM_connection_errmsg (ZOOM_connection c)
2678 ZOOM_connection_error (c, &msg, 0);
2682 ZOOM_API(const char *)
2683 ZOOM_connection_addinfo (ZOOM_connection c)
2685 const char *addinfo;
2686 ZOOM_connection_error (c, 0, &addinfo);
2690 ZOOM_API(const char *)
2691 ZOOM_diag_str (int error)
2695 case ZOOM_ERROR_NONE:
2697 case ZOOM_ERROR_CONNECT:
2698 return "Connect failed";
2699 case ZOOM_ERROR_MEMORY:
2700 return "Out of memory";
2701 case ZOOM_ERROR_ENCODE:
2702 return "Encoding failed";
2703 case ZOOM_ERROR_DECODE:
2704 return "Decoding failed";
2705 case ZOOM_ERROR_CONNECTION_LOST:
2706 return "Connection lost";
2707 case ZOOM_ERROR_INIT:
2708 return "Init rejected";
2709 case ZOOM_ERROR_INTERNAL:
2710 return "Internal failure";
2711 case ZOOM_ERROR_TIMEOUT:
2713 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2714 return "Unsupported protocol";
2715 case ZOOM_ERROR_UNSUPPORTED_QUERY:
2716 return "Unsupported query type";
2718 return diagbib1_str (error);
2723 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2724 const char **addinfo, const char **diagset)
2726 int error = c->error;
2729 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
2730 *cp = ZOOM_diag_str(error);
2731 else if (!strcmp(c->diagset, "HTTP"))
2732 *cp = z_HTTP_errmsg(c->error);
2733 else if (!strcmp(c->diagset, "Bib-1"))
2734 *cp = ZOOM_diag_str(error);
2735 else if (!strcmp(c->diagset, "SRW"))
2736 *cp = yaz_diag_srw_str(c->error);
2738 *cp = "Unknown error and diagnostic set";
2741 *addinfo = c->addinfo ? c->addinfo : "";
2743 *diagset = c->diagset ? c->diagset : "";
2748 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2749 const char **addinfo)
2751 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2754 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2756 ZOOM_Event event = 0;
2757 int r = cs_look(c->cs);
2758 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2763 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2764 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2766 ZOOM_connection_put_event (c, event);
2768 else if (r == CS_CONNECT)
2771 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2773 ret = cs_rcvconnect (c->cs);
2774 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2777 c->mask = ZOOM_SELECT_EXCEPT;
2778 if (c->cs->io_pending & CS_WANT_WRITE)
2779 c->mask += ZOOM_SELECT_WRITE;
2780 if (c->cs->io_pending & CS_WANT_READ)
2781 c->mask += ZOOM_SELECT_READ;
2782 ZOOM_connection_put_event (c, event);
2786 ZOOM_connection_put_event (c, event);
2787 if (c->proto == PROTO_Z3950)
2788 ZOOM_connection_send_init(c);
2791 /* no init request for SRW .. */
2792 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2793 ZOOM_connection_remove_task (c);
2795 ZOOM_connection_exec_task (c);
2797 c->state = STATE_ESTABLISHED;
2801 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2803 ZOOM_connection_put_event (c, event);
2808 if (mask & ZOOM_SELECT_READ)
2810 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2817 ZOOM_connection_last_event(ZOOM_connection cs)
2820 return ZOOM_EVENT_NONE;
2821 return cs->last_event;
2825 ZOOM_event (int no, ZOOM_connection *cs)
2829 struct pollfd pollfds[1024];
2830 ZOOM_connection poll_cs[1024];
2833 fd_set input, output, except;
2838 for (i = 0; i<no; i++)
2840 ZOOM_connection c = cs[i];
2842 if (c && (event = ZOOM_connection_get_event(c)))
2844 ZOOM_Event_destroy (event);
2848 for (i = 0; i<no; i++)
2850 ZOOM_connection c = cs[i];
2852 if (c && ZOOM_connection_exec_task (c))
2854 if ((event = ZOOM_connection_get_event(c)))
2856 ZOOM_Event_destroy (event);
2869 for (i = 0; i<no; i++)
2871 ZOOM_connection c = cs[i];
2877 fd = z3950_connection_socket(c);
2878 mask = z3950_connection_mask(c);
2885 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
2886 if (this_timeout != -1 && this_timeout < timeout)
2887 timeout = this_timeout;
2891 short poll_events = 0;
2893 if (mask & ZOOM_SELECT_READ)
2894 poll_events += POLLIN;
2895 if (mask & ZOOM_SELECT_WRITE)
2896 poll_events += POLLOUT;
2897 if (mask & ZOOM_SELECT_EXCEPT)
2898 poll_events += POLLERR;
2899 pollfds[nfds].fd = fd;
2900 pollfds[nfds].events = poll_events;
2901 pollfds[nfds].revents = 0;
2906 if (mask & ZOOM_SELECT_READ)
2908 FD_SET (fd, &input);
2911 if (mask & ZOOM_SELECT_WRITE)
2913 FD_SET (fd, &output);
2916 if (mask & ZOOM_SELECT_EXCEPT)
2918 FD_SET (fd, &except);
2923 if (timeout >= 5000)
2930 r = poll (pollfds, nfds, timeout * 1000);
2931 for (i = 0; i<nfds; i++)
2933 ZOOM_connection c = poll_cs[i];
2937 if (pollfds[i].revents & POLLIN)
2938 mask += ZOOM_SELECT_READ;
2939 if (pollfds[i].revents & POLLOUT)
2940 mask += ZOOM_SELECT_WRITE;
2941 if (pollfds[i].revents & POLLERR)
2942 mask += ZOOM_SELECT_EXCEPT;
2944 ZOOM_connection_do_io(c, mask);
2946 else if (r == 0 && c->mask)
2948 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2949 /* timeout and this connection was waiting */
2950 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
2952 ZOOM_connection_put_event(c, event);
2956 tv.tv_sec = timeout;
2958 yaz_log (LOG_DEBUG, "select start");
2959 r = select (max_fd+1, &input, &output, &except, &tv);
2960 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
2961 for (i = 0; i<no; i++)
2963 ZOOM_connection c = cs[i];
2968 fd = z3950_connection_socket(c);
2972 /* no timeout and real socket */
2973 if (FD_ISSET(fd, &input))
2974 mask += ZOOM_SELECT_READ;
2975 if (FD_ISSET(fd, &output))
2976 mask += ZOOM_SELECT_WRITE;
2977 if (FD_ISSET(fd, &except))
2978 mask += ZOOM_SELECT_EXCEPT;
2980 ZOOM_connection_do_io(c, mask);
2982 if (r == 0 && c->mask)
2984 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2985 /* timeout and this connection was waiting */
2986 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
2988 yaz_log (LOG_DEBUG, "timeout");
2989 ZOOM_connection_put_event(c, event);
2993 for (i = 0; i<no; i++)
2995 ZOOM_connection c = cs[i];
2997 if (c && (event = ZOOM_connection_get_event(c)))
2999 ZOOM_Event_destroy (event);