2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.30 2003-04-17 19:43:41 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);
715 c->cs = cs_create_host (effective_host, 0, &add);
717 if (c->cs && c->cs->protocol == PROTO_HTTP)
720 const char *path = 0;
722 c->proto = PROTO_HTTP;
723 cs_get_host_args(c->host_port, &path);
725 c->path = xstrdup(path);
727 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
729 return zoom_complete;
734 int ret = cs_connect (c->cs, add);
737 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
738 ZOOM_connection_put_event(c, event);
739 if (c->proto == PROTO_Z3950)
740 ZOOM_connection_send_init(c);
743 /* no init request for SRW .. */
744 assert (c->tasks->which == ZOOM_TASK_CONNECT);
745 ZOOM_connection_remove_task (c);
747 ZOOM_connection_exec_task (c);
749 c->state = STATE_ESTABLISHED;
754 c->state = STATE_CONNECTING;
755 c->mask = ZOOM_SELECT_EXCEPT;
756 if (c->cs->io_pending & CS_WANT_WRITE)
757 c->mask += ZOOM_SELECT_WRITE;
758 if (c->cs->io_pending & CS_WANT_READ)
759 c->mask += ZOOM_SELECT_READ;
763 c->state = STATE_IDLE;
764 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
765 return zoom_complete;
768 int z3950_connection_socket(ZOOM_connection c)
771 return cs_fileno(c->cs);
775 int z3950_connection_mask(ZOOM_connection c)
782 static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
785 for (i = 0; i<200; i++)
788 Z_OtherInformation **oi;
794 sprintf (buf, "otherInfo%d", i);
795 val = ZOOM_options_get (c->options, buf);
798 cp = strchr (val, ':');
802 if (len >= sizeof(buf))
804 memcpy (buf, val, len);
806 oidval = oid_getvalbyname (buf);
807 if (oidval == VAL_NONE)
811 yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
815 static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
820 Z_OtherInformation **oi;
822 yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
826 Z_OtherInformation **oi;
828 yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
830 otherInfo_attach (c, a, out);
831 if (!z_APDU(out, &a, 0, 0))
833 FILE *outf = fopen("/tmp/apdu.txt", "a");
836 ODR odr_pr = odr_createmem(ODR_PRINT);
837 fprintf (outf, "a=%p\n", a);
838 odr_setprint(odr_pr, outf);
839 z_APDU(odr_pr, &a, 0, 0);
842 yaz_log (LOG_DEBUG, "encoding failed");
843 set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
851 static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
855 if (encode_APDU(c, a, c->odr_out))
856 return zoom_complete;
857 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
858 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
859 ZOOM_connection_put_event (c, event);
860 odr_reset(c->odr_out);
864 /* returns 1 if PDU was sent OK (still pending )
865 0 if PDU was not sent OK (nothing to wait for)
868 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
871 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
872 Z_InitRequest *ireq = apdu->u.initRequest;
873 Z_IdAuthentication *auth = (Z_IdAuthentication *)
874 odr_malloc(c->odr_out, sizeof(*auth));
875 const char *auth_groupId = ZOOM_options_get (c->options, "group");
876 const char *auth_userId = ZOOM_options_get (c->options, "user");
877 const char *auth_password = ZOOM_options_get (c->options, "pass");
879 ODR_MASK_SET(ireq->options, Z_Options_search);
880 ODR_MASK_SET(ireq->options, Z_Options_present);
881 ODR_MASK_SET(ireq->options, Z_Options_scan);
882 ODR_MASK_SET(ireq->options, Z_Options_sort);
883 ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
884 ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
886 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
887 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
888 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
890 impname = ZOOM_options_get (c->options, "implementationName");
891 ireq->implementationName =
892 (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
893 strcpy (ireq->implementationName, "");
896 strcat (ireq->implementationName, impname);
897 strcat (ireq->implementationName, "/");
899 strcat (ireq->implementationName, "ZOOM-C/YAZ");
901 *ireq->maximumRecordSize =
902 ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
903 *ireq->preferredMessageSize =
904 ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
906 if (auth_groupId || auth_password)
908 Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
911 if (auth_groupId && *auth_groupId)
913 pass->groupId = (char *)
914 odr_malloc(c->odr_out, strlen(auth_groupId)+1);
915 strcpy(pass->groupId, auth_groupId);
919 if (auth_userId && *auth_userId)
921 pass->userId = (char *)
922 odr_malloc(c->odr_out, strlen(auth_userId)+1);
923 strcpy(pass->userId, auth_userId);
927 if (auth_password && *auth_password)
929 pass->password = (char *)
930 odr_malloc(c->odr_out, strlen(auth_password)+1);
931 strcpy(pass->password, auth_password);
936 auth->which = Z_IdAuthentication_idPass;
937 auth->u.idPass = pass;
938 ireq->idAuthentication = auth;
941 else if (auth_userId)
943 auth->which = Z_IdAuthentication_open;
944 auth->u.open = (char *)
945 odr_malloc(c->odr_out, strlen(auth_userId)+1);
946 strcpy(auth->u.open, auth_userId);
947 ireq->idAuthentication = auth;
950 yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
951 VAL_PROXY, 1, c->host_port);
952 if (c->charset||c->lang)
954 Z_OtherInformation **oi;
955 Z_OtherInformationUnit *oi_unit;
957 yaz_oi_APDU(apdu, &oi);
959 if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
961 ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
963 oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
964 oi_unit->information.externallyDefinedInfo =
965 yaz_set_proposal_charneg
967 (const char **)&c->charset, (c->charset) ? 1:0,
968 (const char **)&c->lang, (c->lang) ? 1:0, 1);
972 return send_APDU (c, apdu);
976 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_PDU *sr)
979 Z_SOAP_Handler h[2] = {
980 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
983 ODR o = odr_createmem(ODR_ENCODE);
985 Z_SOAP *p = odr_malloc(o, sizeof(*p));
989 gdu = z_get_HTTP_Request(c->odr_out);
990 gdu->u.HTTP_Request->path = c->path;
992 strcpy(ctype, "text/xml");
993 if (c->charset && strlen(c->charset) < 20)
995 strcat(ctype, "; charset=");
996 strcat(ctype, c->charset);
998 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
999 "Content-Type", ctype);
1000 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1001 "SOAPAction", "\"\"");
1002 p->which = Z_SOAP_generic;
1003 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
1004 p->u.generic->no = 0;
1005 p->u.generic->ns = 0;
1006 p->u.generic->p = sr;
1007 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
1009 ret = z_soap_codec_enc(o, &p,
1010 &gdu->u.HTTP_Request->content_buf,
1011 &gdu->u.HTTP_Request->content_len, h,
1014 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1015 return zoom_complete;
1016 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1020 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1021 ZOOM_connection_put_event (c, event);
1022 odr_reset(c->odr_out);
1023 return do_write (c);
1028 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1031 ZOOM_resultset resultset = 0;
1033 const char *recordPacking = 0;
1035 if (c->error) /* don't continue on error */
1036 return zoom_complete;
1038 if (c->tasks->which == ZOOM_TASK_SEARCH)
1040 resultset = c->tasks->u.search.resultset;
1041 resultset->setname = xstrdup ("default");
1042 ZOOM_options_set (resultset->options, "setname", resultset->setname);
1044 else if(c->tasks->which == ZOOM_TASK_RETRIEVE)
1046 resultset = c->tasks->u.retrieve.resultset;
1048 resultset->start = c->tasks->u.retrieve.start;
1049 resultset->count = c->tasks->u.retrieve.count;
1051 if (resultset->start >= resultset->size)
1052 return zoom_complete;
1053 if (resultset->start + resultset->count > resultset->size)
1054 resultset->count = resultset->size - resultset->start;
1056 for (i = 0; i<resultset->count; i++)
1059 record_cache_lookup (resultset, i + resultset->start);
1063 if (i == resultset->count)
1064 return zoom_complete;
1066 assert(resultset->query);
1068 sr = yaz_srw_get(c->odr_out, Z_SRW_searchRetrieve_request);
1070 if (resultset->query->z_query->which == Z_Query_type_104
1071 && resultset->query->z_query->u.type_104->which == Z_External_CQL)
1074 sr->u.request->query_type = Z_SRW_query_type_cql;
1075 sr->u.request->query.cql =resultset->query->z_query->u.type_104->u.cql;
1077 else if (resultset->query->z_query->which == Z_Query_type_1 &&
1078 resultset->query->z_query->u.type_1)
1080 sr->u.request->query_type = Z_SRW_query_type_pqf;
1081 sr->u.request->query.pqf = resultset->query->query_string;
1085 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
1086 return zoom_complete;
1088 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
1089 sr->u.request->maximumRecords = odr_intdup (c->odr_out, resultset->count);
1090 sr->u.request->recordSchema = resultset->schema;
1092 recordPacking = ZOOM_resultset_option_get (resultset, "recordPacking");
1095 sr->u.request->recordPacking = odr_strdup(c->odr_out, recordPacking);
1097 return send_srw(c, sr);
1100 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1102 return zoom_complete;
1106 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
1109 int lslb, ssub, mspn;
1111 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
1112 Z_SearchRequest *search_req = apdu->u.searchRequest;
1113 const char *elementSetName;
1114 const char *smallSetElementSetName;
1115 const char *mediumSetElementSetName;
1118 assert (c->tasks->which == ZOOM_TASK_SEARCH);
1120 r = c->tasks->u.search.resultset;
1123 ZOOM_options_get (r->options, "elementSetName");
1124 smallSetElementSetName =
1125 ZOOM_options_get (r->options, "smallSetElementSetName");
1126 mediumSetElementSetName =
1127 ZOOM_options_get (r->options, "mediumSetElementSetName");
1129 if (!smallSetElementSetName)
1130 smallSetElementSetName = elementSetName;
1132 if (!mediumSetElementSetName)
1133 mediumSetElementSetName = elementSetName;
1138 /* prepare query for the search request */
1139 search_req->query = r->query->z_query;
1141 search_req->databaseNames =
1142 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1144 /* get syntax (no need to provide unless piggyback is in effect) */
1145 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1147 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1148 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1149 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1150 if (lslb != -1 && ssub != -1 && mspn != -1)
1152 /* So're a Z39.50 expert? Let's hope you don't do sort */
1153 *search_req->largeSetLowerBound = lslb;
1154 *search_req->smallSetUpperBound = ssub;
1155 *search_req->mediumSetPresentNumber = mspn;
1157 else if (r->start == 0 && r->count > 0
1158 && r->piggyback && !r->r_sort_spec && !r->schema)
1160 /* Regular piggyback - do it unless we're going to do sort */
1161 *search_req->largeSetLowerBound = 2000000000;
1162 *search_req->smallSetUpperBound = 0;
1163 *search_req->mediumSetPresentNumber = r->count;
1164 smallSetElementSetName = 0;
1168 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1169 smallSetElementSetName = 0;
1170 mediumSetElementSetName = 0;
1173 if (smallSetElementSetName && *smallSetElementSetName)
1175 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1176 odr_malloc (c->odr_out, sizeof(*esn));
1178 esn->which = Z_ElementSetNames_generic;
1179 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1180 search_req->smallSetElementSetNames = esn;
1182 if (mediumSetElementSetName && *mediumSetElementSetName)
1184 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1185 odr_malloc (c->odr_out, sizeof(*esn));
1187 esn->which = Z_ElementSetNames_generic;
1188 esn->u.generic = odr_strdup (c->odr_out, mediumSetElementSetName);
1189 search_req->mediumSetElementSetNames = esn;
1192 search_req->preferredRecordSyntax =
1193 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1197 if (c->support_named_resultsets)
1201 /* find the lowest unused ordinal so that we re-use
1202 result sets on the server. */
1203 for (ord = 1; ; ord++)
1206 sprintf (setname, "%d", ord);
1207 for (rp = c->resultsets; rp; rp = rp->next)
1208 if (rp->setname && !strcmp (rp->setname, setname))
1213 r->setname = xstrdup (setname);
1214 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1217 r->setname = xstrdup ("default");
1218 ZOOM_options_set (r->options, "setname", r->setname);
1220 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1221 /* send search request */
1222 return send_APDU (c, apdu);
1225 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1228 Z_DefaultDiagFormat *r;
1233 if (p->which != Z_DiagRec_defaultFormat)
1235 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1238 r = p->u.defaultFormat;
1241 case Z_DefaultDiagFormat_v2Addinfo:
1242 addinfo = r->u.v2Addinfo;
1244 case Z_DefaultDiagFormat_v3Addinfo:
1245 addinfo = r->u.v3Addinfo;
1248 set_dset_error(c, *r->condition,
1249 yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
1253 ZOOM_API(ZOOM_record)
1254 ZOOM_record_clone (ZOOM_record srec)
1261 odr_enc = odr_createmem(ODR_ENCODE);
1262 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1264 buf = odr_getbuf (odr_enc, &size, 0);
1266 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1267 nrec->odr = odr_createmem(ODR_DECODE);
1268 nrec->wrbuf_marc = 0;
1269 odr_setbuf (nrec->odr, buf, size, 0);
1270 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1272 odr_destroy (odr_enc);
1276 ZOOM_API(ZOOM_record)
1277 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1279 return record_cache_lookup (s, pos);
1282 ZOOM_API(ZOOM_record)
1283 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1285 ZOOM_resultset_retrieve (r, 1, pos, 1);
1286 return ZOOM_resultset_record_immediate (r, pos);
1290 ZOOM_record_destroy (ZOOM_record rec)
1294 if (rec->wrbuf_marc)
1295 wrbuf_free (rec->wrbuf_marc, 1);
1296 odr_destroy (rec->odr);
1300 ZOOM_API(const char *)
1301 ZOOM_record_get (ZOOM_record rec, const char *type, int *len)
1303 Z_NamePlusRecord *npr;
1306 *len = 0; /* default return */
1313 if (!strcmp (type, "database"))
1316 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1317 return npr->databaseName;
1319 else if (!strcmp (type, "syntax"))
1321 const char *desc = 0;
1322 if (npr->which == Z_NamePlusRecord_databaseRecord)
1324 Z_External *r = (Z_External *) npr->u.databaseRecord;
1325 oident *ent = oid_getentbyoid(r->direct_reference);
1332 *len = strlen(desc);
1335 else if (!strcmp (type, "render") &&
1336 npr->which == Z_NamePlusRecord_databaseRecord)
1338 Z_External *r = (Z_External *) npr->u.databaseRecord;
1339 oident *ent = oid_getentbyoid(r->direct_reference);
1341 if (r->which == Z_External_sutrs)
1343 if (len) *len = r->u.sutrs->len;
1344 return (const char *) r->u.sutrs->buf;
1346 else if (r->which == Z_External_octet)
1356 case VAL_APPLICATION_XML:
1359 if (!rec->wrbuf_marc)
1360 rec->wrbuf_marc = wrbuf_alloc();
1362 mt = yaz_marc_create();
1363 wrbuf_rewind (rec->wrbuf_marc);
1364 if (yaz_marc_decode_wrbuf (
1365 mt, (const char *) r->u.octet_aligned->buf,
1366 r->u.octet_aligned->len,
1367 rec->wrbuf_marc) > 0)
1370 *len = wrbuf_len(rec->wrbuf_marc);
1371 yaz_marc_destroy(mt);
1372 return wrbuf_buf(rec->wrbuf_marc);
1374 yaz_marc_destroy(mt);
1377 *len = r->u.octet_aligned->len;
1378 return (const char *) r->u.octet_aligned->buf;
1380 else if (r->which == Z_External_grs1)
1382 if (!rec->wrbuf_marc)
1383 rec->wrbuf_marc = wrbuf_alloc();
1384 wrbuf_rewind (rec->wrbuf_marc);
1385 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1387 *len = wrbuf_len(rec->wrbuf_marc);
1388 return wrbuf_buf(rec->wrbuf_marc);
1392 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1393 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1395 Z_External *r = (Z_External *) npr->u.databaseRecord;
1396 oident *ent = oid_getentbyoid(r->direct_reference);
1398 if (r->which == Z_External_sutrs)
1400 if (len) *len = r->u.sutrs->len;
1401 return (const char *) r->u.sutrs->buf;
1403 else if (r->which == Z_External_octet)
1406 int marc_decode_type = YAZ_MARC_MARCXML;
1408 if (!strcmp(type, "oai"))
1409 marc_decode_type = YAZ_MARC_OAIMARC;
1417 case VAL_APPLICATION_XML:
1420 if (!rec->wrbuf_marc)
1421 rec->wrbuf_marc = wrbuf_alloc();
1422 wrbuf_rewind (rec->wrbuf_marc);
1423 mt = yaz_marc_create();
1425 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1426 if (yaz_marc_decode_wrbuf (
1427 mt, (const char *) r->u.octet_aligned->buf,
1428 r->u.octet_aligned->len,
1429 rec->wrbuf_marc) > 0)
1432 *len = wrbuf_len(rec->wrbuf_marc);
1433 yaz_marc_destroy(mt);
1434 return wrbuf_buf(rec->wrbuf_marc);
1436 yaz_marc_destroy(mt);
1438 if (len) *len = r->u.octet_aligned->len;
1439 return (const char *) r->u.octet_aligned->buf;
1441 else if (r->which == Z_External_grs1)
1446 else if (r->which == Z_External_OPAC)
1453 else if (!strcmp (type, "raw"))
1455 if (npr->which == Z_NamePlusRecord_databaseRecord)
1457 Z_External *r = (Z_External *) npr->u.databaseRecord;
1459 if (r->which == Z_External_sutrs)
1461 if (len) *len = r->u.sutrs->len;
1462 return (const char *) r->u.sutrs->buf;
1464 else if (r->which == Z_External_octet)
1466 if (len) *len = r->u.octet_aligned->len;
1467 return (const char *) r->u.octet_aligned->buf;
1469 else /* grs-1, explain, ... */
1472 return (const char *) npr->u.databaseRecord;
1477 else if (!strcmp (type, "ext"))
1479 if (npr->which == Z_NamePlusRecord_databaseRecord)
1480 return (const char *) npr->u.databaseRecord;
1486 static int strcmp_null(const char *v1, const char *v2)
1492 return strcmp(v1, v2);
1495 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr,
1498 ZOOM_record_cache rc;
1499 const char *elementSetName =
1500 ZOOM_resultset_option_get (r, "elementSetName");
1501 const char *syntax =
1502 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1504 for (rc = r->record_cache; rc; rc = rc->next)
1508 if (strcmp_null(r->schema, rc->schema))
1510 if (strcmp_null(elementSetName,rc->elementSetName))
1512 if (strcmp_null(syntax, rc->syntax))
1514 /* not destroying rc->npr (it's handled by nmem )*/
1516 /* keeping wrbuf_marc too */
1520 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1523 rc->rec.wrbuf_marc = 0;
1525 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1527 rc->elementSetName = 0;
1530 rc->syntax = odr_strdup (r->odr, syntax);
1535 rc->schema = odr_strdup (r->odr, r->schema);
1540 rc->next = r->record_cache;
1541 r->record_cache = rc;
1544 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1546 ZOOM_record_cache rc;
1547 const char *elementSetName =
1548 ZOOM_resultset_option_get (r, "elementSetName");
1549 const char *syntax =
1550 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1552 for (rc = r->record_cache; rc; rc = rc->next)
1556 if (strcmp_null(r->schema, rc->schema))
1558 if (strcmp_null(elementSetName,rc->elementSetName))
1560 if (strcmp_null(syntax, rc->syntax))
1568 static void handle_records (ZOOM_connection c, Z_Records *sr,
1571 ZOOM_resultset resultset;
1575 switch (c->tasks->which)
1577 case ZOOM_TASK_SEARCH:
1578 resultset = c->tasks->u.search.resultset;
1580 case ZOOM_TASK_RETRIEVE:
1581 resultset = c->tasks->u.retrieve.resultset;
1586 if (sr && sr->which == Z_Records_NSD)
1588 Z_DiagRec dr, *dr_p = &dr;
1589 dr.which = Z_DiagRec_defaultFormat;
1590 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1592 response_diag (c, dr_p);
1594 else if (sr && sr->which == Z_Records_multipleNSD)
1596 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1597 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1599 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1603 if (resultset->count + resultset->start > resultset->size)
1604 resultset->count = resultset->size - resultset->start;
1605 if (resultset->count < 0)
1606 resultset->count = 0;
1607 if (sr && sr->which == Z_Records_DBOSD)
1610 NMEM nmem = odr_extract_mem (c->odr_in);
1611 Z_NamePlusRecordList *p =
1612 sr->u.databaseOrSurDiagnostics;
1613 for (i = 0; i<p->num_records; i++)
1615 record_cache_add (resultset, p->records[i],
1616 i+ resultset->start);
1618 /* transfer our response to search_nmem .. we need it later */
1619 nmem_transfer (resultset->odr->mem, nmem);
1620 nmem_destroy (nmem);
1621 if (present_phase && p->num_records == 0)
1623 /* present response and we didn't get any records! */
1624 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1627 else if (present_phase)
1629 /* present response and we didn't get any records! */
1630 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1635 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1637 handle_records (c, pr->records, 1);
1640 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1642 ZOOM_resultset resultset;
1644 yaz_log (LOG_DEBUG, "got search response");
1646 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1649 resultset = c->tasks->u.search.resultset;
1651 resultset->size = *sr->resultCount;
1652 handle_records (c, sr->records, 0);
1655 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1657 if (res->diagnostics && res->num_diagnostics > 0)
1658 response_diag (c, res->diagnostics[0]);
1661 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1663 NMEM nmem = odr_extract_mem (c->odr_in);
1666 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1668 scan = c->tasks->u.scan.scan;
1670 if (res->entries && res->entries->nonsurrogateDiagnostics)
1671 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1672 scan->scan_response = res;
1673 nmem_transfer (scan->odr->mem, nmem);
1675 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1676 if (res->positionOfTerm)
1677 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1678 if (res->scanStatus)
1679 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1680 if (res->numberOfEntriesReturned)
1681 ZOOM_options_set_int (scan->options, "number",
1682 *res->numberOfEntriesReturned);
1683 nmem_destroy (nmem);
1687 static zoom_ret send_sort (ZOOM_connection c)
1689 ZOOM_resultset resultset;
1691 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1692 return zoom_complete;
1694 resultset = c->tasks->u.search.resultset;
1698 resultset->r_sort_spec = 0;
1699 return zoom_complete;
1701 if (resultset->r_sort_spec)
1703 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1704 Z_SortRequest *req = apdu->u.sortRequest;
1706 req->num_inputResultSetNames = 1;
1707 req->inputResultSetNames = (Z_InternationalString **)
1708 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1709 req->inputResultSetNames[0] =
1710 odr_strdup (c->odr_out, resultset->setname);
1711 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1712 req->sortSequence = resultset->r_sort_spec;
1713 resultset->r_sort_spec = 0;
1714 return send_APDU (c, apdu);
1716 return zoom_complete;
1719 static zoom_ret send_present (ZOOM_connection c)
1722 Z_PresentRequest *req = 0;
1724 const char *syntax = 0;
1725 const char *elementSetName = 0;
1726 ZOOM_resultset resultset;
1729 return zoom_complete;
1731 switch (c->tasks->which)
1733 case ZOOM_TASK_SEARCH:
1734 resultset = c->tasks->u.search.resultset;
1736 case ZOOM_TASK_RETRIEVE:
1737 resultset = c->tasks->u.retrieve.resultset;
1738 resultset->start = c->tasks->u.retrieve.start;
1739 resultset->count = c->tasks->u.retrieve.count;
1741 if (resultset->start >= resultset->size)
1742 return zoom_complete;
1743 if (resultset->start + resultset->count > resultset->size)
1744 resultset->count = resultset->size - resultset->start;
1747 return zoom_complete;
1750 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1751 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1753 if (c->error) /* don't continue on error */
1754 return zoom_complete;
1755 if (resultset->start < 0)
1756 return zoom_complete;
1757 for (i = 0; i<resultset->count; i++)
1760 record_cache_lookup (resultset, i + resultset->start);
1764 if (i == resultset->count)
1765 return zoom_complete;
1767 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1768 req = apdu->u.presentRequest;
1770 resultset->start += i;
1771 resultset->count -= i;
1772 *req->resultSetStartPoint = resultset->start + 1;
1773 *req->numberOfRecordsRequested = resultset->count;
1774 assert (*req->numberOfRecordsRequested > 0);
1776 if (syntax && *syntax)
1777 req->preferredRecordSyntax =
1778 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1780 if (resultset->schema && *resultset->schema)
1782 Z_RecordComposition *compo = (Z_RecordComposition *)
1783 odr_malloc (c->odr_out, sizeof(*compo));
1785 req->recordComposition = compo;
1786 compo->which = Z_RecordComp_complex;
1787 compo->u.complex = (Z_CompSpec *)
1788 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1789 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1790 odr_malloc(c->odr_out, sizeof(bool_t));
1791 *compo->u.complex->selectAlternativeSyntax = 0;
1793 compo->u.complex->generic = (Z_Specification *)
1794 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1796 compo->u.complex->generic->which = Z_Schema_oid;
1797 compo->u.complex->generic->schema.oid = (Odr_oid *)
1798 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, resultset->schema);
1800 if (!compo->u.complex->generic->schema.oid)
1802 /* OID wasn't a schema! Try record syntax instead. */
1804 compo->u.complex->generic->schema.oid = (Odr_oid *)
1805 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
1807 if (elementSetName && *elementSetName)
1809 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
1810 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
1811 compo->u.complex->generic->elementSpec->which =
1812 Z_ElementSpec_elementSetName;
1813 compo->u.complex->generic->elementSpec->u.elementSetName =
1814 odr_strdup (c->odr_out, elementSetName);
1817 compo->u.complex->generic->elementSpec = 0;
1818 compo->u.complex->num_dbSpecific = 0;
1819 compo->u.complex->dbSpecific = 0;
1820 compo->u.complex->num_recordSyntax = 0;
1821 compo->u.complex->recordSyntax = 0;
1823 else if (elementSetName && *elementSetName)
1825 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1826 odr_malloc (c->odr_out, sizeof(*esn));
1827 Z_RecordComposition *compo = (Z_RecordComposition *)
1828 odr_malloc (c->odr_out, sizeof(*compo));
1830 esn->which = Z_ElementSetNames_generic;
1831 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
1832 compo->which = Z_RecordComp_simple;
1833 compo->u.simple = esn;
1834 req->recordComposition = compo;
1836 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
1837 return send_APDU (c, apdu);
1840 ZOOM_API(ZOOM_scanset)
1841 ZOOM_connection_scan (ZOOM_connection c, const char *start)
1843 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
1845 scan->connection = c;
1846 scan->odr = odr_createmem (ODR_DECODE);
1847 scan->options = ZOOM_options_create_with_parent (c->options);
1849 scan->scan_response = 0;
1851 if ((scan->termListAndStartPoint =
1852 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
1855 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
1856 task->u.scan.scan = scan;
1861 while (ZOOM_event (1, &c))
1869 ZOOM_scanset_destroy (ZOOM_scanset scan)
1874 if (scan->refcount == 0)
1876 odr_destroy (scan->odr);
1878 ZOOM_options_destroy (scan->options);
1883 static zoom_ret send_package (ZOOM_connection c)
1887 return zoom_complete;
1888 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1890 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1891 ZOOM_connection_put_event (c, event);
1893 return do_write_ex (c, c->tasks->u.package->buf_out,
1894 c->tasks->u.package->len_out);
1897 static zoom_ret send_scan (ZOOM_connection c)
1900 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
1901 Z_ScanRequest *req = apdu->u.scanRequest;
1903 return zoom_complete;
1904 assert (c->tasks->which == ZOOM_TASK_SCAN);
1905 scan = c->tasks->u.scan.scan;
1907 req->termListAndStartPoint = scan->termListAndStartPoint;
1908 req->attributeSet = scan->attributeSet;
1910 *req->numberOfTermsRequested =
1911 ZOOM_options_get_int(scan->options, "number", 10);
1913 req->preferredPositionInResponse =
1914 odr_intdup (c->odr_out,
1915 ZOOM_options_get_int(scan->options, "position", 1));
1918 odr_intdup (c->odr_out,
1919 ZOOM_options_get_int(scan->options, "stepSize", 0));
1921 req->databaseNames = set_DatabaseNames (c, scan->options,
1922 &req->num_databaseNames);
1924 return send_APDU (c, apdu);
1928 ZOOM_scanset_size (ZOOM_scanset scan)
1930 if (!scan || !scan->scan_response || !scan->scan_response->entries)
1932 return scan->scan_response->entries->num_entries;
1935 ZOOM_API(const char *)
1936 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
1939 const char *term = 0;
1940 size_t noent = ZOOM_scanset_size (scan);
1941 Z_ScanResponse *res = scan->scan_response;
1947 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1949 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1951 if (t->term->which == Z_Term_general)
1953 term = (const char *) t->term->u.general->buf;
1954 *len = t->term->u.general->len;
1956 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1961 ZOOM_API(const char *)
1962 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
1964 return ZOOM_options_get (scan->options, key);
1968 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
1971 ZOOM_options_set (scan->options, key, val);
1974 static Z_APDU *create_es_package (ZOOM_package p, int type)
1977 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
1978 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
1980 *req->function = Z_ExtendedServicesRequest_create;
1982 str = ZOOM_options_get(p->options, "package-name");
1984 req->packageName = nmem_strdup (p->odr_out->mem, str);
1986 str = ZOOM_options_get(p->options, "user-id");
1988 req->userId = nmem_strdup (p->odr_out->mem, str);
1990 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
1993 str = ZOOM_options_get(p->options, "function");
1996 if (!strcmp (str, "create"))
1998 if (!strcmp (str, "delete"))
2000 if (!strcmp (str, "modify"))
2006 static const char *ill_array_lookup (void *clientData, const char *idx)
2008 ZOOM_package p = (ZOOM_package) clientData;
2009 return ZOOM_options_get (p->options, idx+4);
2012 static Z_External *encode_ill_request (ZOOM_package p)
2014 ODR out = p->odr_out;
2017 struct ill_get_ctl ctl;
2019 ctl.odr = p->odr_out;
2021 ctl.f = ill_array_lookup;
2023 req = ill_get_ILLRequest(&ctl, "ill", 0);
2025 if (!ill_Request (out, &req, 0, 0))
2027 int ill_request_size;
2028 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
2029 if (ill_request_buf)
2030 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
2036 int illRequest_size = 0;
2037 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
2039 oid.proto = PROTO_GENERAL;
2040 oid.oclass = CLASS_GENERAL;
2041 oid.value = VAL_ISO_ILL_1;
2043 r = (Z_External *) odr_malloc (out, sizeof(*r));
2044 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
2045 r->indirect_reference = 0;
2047 r->which = Z_External_single;
2049 r->u.single_ASN1_type = (Odr_oct *)
2050 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
2051 r->u.single_ASN1_type->buf = (unsigned char*)
2052 odr_malloc (out, illRequest_size);
2053 r->u.single_ASN1_type->len = illRequest_size;
2054 r->u.single_ASN1_type->size = illRequest_size;
2055 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
2060 static Z_ItemOrder *encode_item_order(ZOOM_package p)
2062 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
2065 req->which=Z_IOItemOrder_esRequest;
2066 req->u.esRequest = (Z_IORequest *)
2067 odr_malloc(p->odr_out,sizeof(Z_IORequest));
2069 /* to keep part ... */
2070 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
2071 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
2072 req->u.esRequest->toKeep->supplDescription = 0;
2073 req->u.esRequest->toKeep->contact = (Z_IOContact *)
2074 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
2076 str = ZOOM_options_get(p->options, "contact-name");
2077 req->u.esRequest->toKeep->contact->name = str ?
2078 nmem_strdup (p->odr_out->mem, str) : 0;
2080 str = ZOOM_options_get(p->options, "contact-phone");
2081 req->u.esRequest->toKeep->contact->phone = str ?
2082 nmem_strdup (p->odr_out->mem, str) : 0;
2084 str = ZOOM_options_get(p->options, "contact-email");
2085 req->u.esRequest->toKeep->contact->email = str ?
2086 nmem_strdup (p->odr_out->mem, str) : 0;
2088 req->u.esRequest->toKeep->addlBilling = 0;
2090 /* not to keep part ... */
2091 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
2092 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
2094 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
2095 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
2097 str = ZOOM_options_get(p->options, "itemorder-setname");
2100 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
2101 nmem_strdup (p->odr_out->mem, str);
2102 req->u.esRequest->notToKeep->resultSetItem->item =
2103 (int *) odr_malloc(p->odr_out, sizeof(int));
2105 str = ZOOM_options_get(p->options, "itemorder-item");
2106 *req->u.esRequest->notToKeep->resultSetItem->item =
2107 (str ? atoi(str) : 1);
2109 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
2115 ZOOM_package_send (ZOOM_package p, const char *type)
2122 odr_reset (p->odr_out);
2125 if (!strcmp(type, "itemorder"))
2128 apdu = create_es_package (p, VAL_ITEMORDER);
2131 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2133 r->direct_reference =
2134 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2137 r->which = Z_External_itemOrder;
2138 r->indirect_reference = 0;
2139 r->u.itemOrder = encode_item_order (p);
2141 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2146 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2150 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2151 task->u.package = p;
2152 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2153 p->buf_out = (char *) xmalloc (p->len_out);
2154 memcpy (p->buf_out, buf, p->len_out);
2159 while (ZOOM_event (1, &c))
2166 ZOOM_API(ZOOM_package)
2167 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2169 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2172 p->odr_out = odr_createmem (ODR_ENCODE);
2173 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2181 ZOOM_package_destroy(ZOOM_package p)
2186 if (p->refcount == 0)
2188 odr_destroy (p->odr_out);
2191 ZOOM_options_destroy (p->options);
2196 ZOOM_API(const char *)
2197 ZOOM_package_option_get (ZOOM_package p, const char *key)
2199 return ZOOM_options_get (p->options, key);
2204 ZOOM_package_option_set (ZOOM_package p, const char *key,
2207 ZOOM_options_set (p->options, key, val);
2210 static int ZOOM_connection_exec_task (ZOOM_connection c)
2212 ZOOM_task task = c->tasks;
2213 zoom_ret ret = zoom_complete;
2217 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2220 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2221 task->which, task->running);
2222 if (c->error != ZOOM_ERROR_NONE)
2224 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2225 ZOOM_connection_remove_tasks (c);
2230 yaz_log (LOG_DEBUG, "task already running");
2234 ret = zoom_complete;
2235 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2237 switch (task->which)
2239 case ZOOM_TASK_SEARCH:
2240 if (c->proto == PROTO_HTTP)
2241 ret = ZOOM_connection_srw_send_search(c);
2243 ret = ZOOM_connection_send_search(c);
2245 case ZOOM_TASK_RETRIEVE:
2246 if (c->proto == PROTO_HTTP)
2247 ret = ZOOM_connection_srw_send_search(c);
2249 ret = send_present (c);
2251 case ZOOM_TASK_CONNECT:
2252 ret = do_connect(c);
2254 case ZOOM_TASK_SCAN:
2257 case ZOOM_TASK_PACKAGE:
2258 ret = send_package(c);
2264 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2265 ZOOM_connection_remove_tasks (c);
2267 if (ret == zoom_complete)
2269 yaz_log (LOG_DEBUG, "task removed (complete)");
2270 ZOOM_connection_remove_task (c);
2273 yaz_log (LOG_DEBUG, "task pending");
2277 static zoom_ret send_sort_present (ZOOM_connection c)
2279 zoom_ret r = send_sort (c);
2280 if (r == zoom_complete)
2281 r = send_present (c);
2285 static int es_response (ZOOM_connection c,
2286 Z_ExtendedServicesResponse *res)
2288 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2290 if (res->diagnostics && res->num_diagnostics > 0)
2291 response_diag(c, res->diagnostics[0]);
2292 if (res->taskPackage &&
2293 res->taskPackage->which == Z_External_extendedService)
2295 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2296 Odr_oct *id = taskPackage->targetReference;
2299 ZOOM_options_setl (c->tasks->u.package->options,
2300 "targetReference", (char*) id->buf, id->len);
2306 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2308 Z_InitResponse *initrs;
2311 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2314 case Z_APDU_initResponse:
2315 initrs = apdu->u.initResponse;
2316 ZOOM_connection_option_set(c, "targetImplementationId",
2317 initrs->implementationId ?
2318 initrs->implementationId : "");
2319 ZOOM_connection_option_set(c, "targetImplementationName",
2320 initrs->implementationName ?
2321 initrs->implementationName : "");
2322 ZOOM_connection_option_set(c, "targetImplementationVersion",
2323 initrs->implementationVersion ?
2324 initrs->implementationVersion : "");
2325 if (!*initrs->result)
2327 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2332 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2334 xfree (c->cookie_in);
2337 c->cookie_in = xstrdup(cookie);
2338 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2339 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2340 c->support_named_resultsets = 1;
2343 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2344 ZOOM_connection_remove_task (c);
2346 ZOOM_connection_exec_task (c);
2348 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2350 NMEM tmpmem = nmem_create();
2351 Z_CharSetandLanguageNegotiation *p =
2352 yaz_get_charneg_record(initrs->otherInfo);
2356 char *charset=NULL, *lang=NULL;
2359 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2360 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2361 "language %s, select %d",
2362 charset ? charset : "none", lang ? lang : "none", sel);
2364 ZOOM_connection_option_set (c, "negotiation-charset",
2367 ZOOM_connection_option_set (c, "negotiation-lang",
2369 nmem_destroy(tmpmem);
2373 case Z_APDU_searchResponse:
2374 handle_search_response (c, apdu->u.searchResponse);
2375 if (send_sort_present (c) == zoom_complete)
2376 ZOOM_connection_remove_task (c);
2378 case Z_APDU_presentResponse:
2379 handle_present_response (c, apdu->u.presentResponse);
2380 if (send_present (c) == zoom_complete)
2381 ZOOM_connection_remove_task (c);
2383 case Z_APDU_sortResponse:
2384 sort_response (c, apdu->u.sortResponse);
2385 if (send_present (c) == zoom_complete)
2386 ZOOM_connection_remove_task (c);
2388 case Z_APDU_scanResponse:
2389 scan_response (c, apdu->u.scanResponse);
2390 ZOOM_connection_remove_task (c);
2392 case Z_APDU_extendedServicesResponse:
2393 es_response (c, apdu->u.extendedServicesResponse);
2394 ZOOM_connection_remove_task (c);
2397 if (c->reconnect_ok)
2400 c->tasks->running = 0;
2401 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2405 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2410 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2416 static void handle_srw_response(ZOOM_connection c,
2417 Z_SRW_searchRetrieveResponse *res)
2419 ZOOM_resultset resultset = 0;
2426 if (c->tasks->which == ZOOM_TASK_SEARCH)
2427 resultset = c->tasks->u.search.resultset;
2428 else if (c->tasks->which == ZOOM_TASK_RETRIEVE)
2429 resultset = c->tasks->u.retrieve.resultset;
2433 resultset->size = 0;
2435 yaz_log(LOG_DEBUG, "got SRW response OK");
2437 if (res->numberOfRecords)
2438 resultset->size = *res->numberOfRecords;
2440 for (i = 0; i<res->num_records; i++)
2444 Z_NamePlusRecord *npr = (Z_NamePlusRecord *)
2445 odr_malloc(c->odr_in, sizeof(Z_NamePlusRecord));
2447 if (res->records[i].recordPosition &&
2448 *res->records[i].recordPosition > 0)
2449 pos = *res->records[i].recordPosition - 1;
2451 pos = resultset->start + i;
2453 npr->databaseName = 0;
2454 npr->which = Z_NamePlusRecord_databaseRecord;
2455 npr->u.databaseRecord = (Z_External *)
2456 odr_malloc(c->odr_in, sizeof(Z_External));
2457 npr->u.databaseRecord->descriptor = 0;
2458 npr->u.databaseRecord->direct_reference =
2459 yaz_oidval_to_z3950oid(c->odr_in, CLASS_RECSYN, VAL_TEXT_XML);
2460 npr->u.databaseRecord->which = Z_External_octet;
2461 npr->u.databaseRecord->u.octet_aligned = (Odr_oct *)
2462 odr_malloc(c->odr_in, sizeof(Odr_oct));
2463 npr->u.databaseRecord->u.octet_aligned->buf =
2464 res->records[i].recordData_buf;
2465 npr->u.databaseRecord->u.octet_aligned->len =
2466 npr->u.databaseRecord->u.octet_aligned->size =
2467 res->records[i].recordData_len;
2468 record_cache_add (resultset, npr, pos);
2470 if (res->num_diagnostics > 0)
2472 set_dset_error(c, *res->diagnostics[0].code, "SRW",
2473 res->diagnostics[0].details, 0);
2475 nmem = odr_extract_mem(c->odr_in);
2476 nmem_transfer(resultset->odr->mem, nmem);
2482 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2485 const char *content_type = z_HTTP_header_lookup(hres->headers,
2487 const char *connection_head = z_HTTP_header_lookup(hres->headers,
2490 yaz_log (LOG_DEBUG, "handle_http");
2492 if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
2494 Z_SOAP *soap_package = 0;
2495 ODR o = odr_createmem(ODR_DECODE);
2496 Z_SOAP_Handler soap_handlers[2] = {
2497 {"http://www.loc.gov/zing/srw/v1.0/", 0,
2498 (Z_SOAP_fun) yaz_srw_codec},
2501 ret = z_soap_codec(o, &soap_package,
2502 &hres->content_buf, &hres->content_len,
2504 if (!ret && soap_package->which == Z_SOAP_generic &&
2505 soap_package->u.generic->no == 0)
2507 Z_SRW_PDU *sr = soap_package->u.generic->p;
2508 if (sr->which == Z_SRW_searchRetrieve_response)
2509 handle_srw_response(c, sr->u.response);
2513 else if (!ret && (soap_package->which == Z_SOAP_fault
2514 || soap_package->which == Z_SOAP_error))
2516 set_HTTP_error(c, hres->code,
2517 soap_package->u.fault->fault_code,
2518 soap_package->u.fault->fault_string);
2526 if (hres->code != 200)
2527 set_HTTP_error(c, hres->code, 0, 0);
2529 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2532 ZOOM_connection_remove_task(c);
2533 if (!strcmp(hres->version, "1.0"))
2535 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
2536 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
2541 /* HTTP 1.1: only if no close we stay alive .. */
2542 if (connection_head && !strcmp(connection_head, "close"))
2548 static int do_read (ZOOM_connection c)
2553 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2554 ZOOM_connection_put_event (c, event);
2556 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2558 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2563 if (c->reconnect_ok)
2566 c->reconnect_ok = 0;
2567 yaz_log (LOG_DEBUG, "reconnect read");
2568 c->tasks->running = 0;
2569 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2573 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2581 odr_reset (c->odr_in);
2582 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2583 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2584 ZOOM_connection_put_event (c, event);
2586 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2588 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2591 else if (gdu->which == Z_GDU_Z3950)
2592 handle_apdu (c, gdu->u.z3950);
2593 else if (gdu->which == Z_GDU_HTTP_Response)
2596 handle_http (c, gdu->u.HTTP_Response);
2598 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2602 c->reconnect_ok = 0;
2607 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2612 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2613 ZOOM_connection_put_event (c, event);
2615 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2616 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2618 if (c->reconnect_ok)
2621 c->reconnect_ok = 0;
2622 yaz_log (LOG_DEBUG, "reconnect write");
2623 c->tasks->running = 0;
2624 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2625 return zoom_pending;
2627 if (c->state == STATE_CONNECTING)
2628 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2630 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2632 return zoom_complete;
2636 c->mask = ZOOM_SELECT_EXCEPT;
2637 if (c->cs->io_pending & CS_WANT_WRITE)
2638 c->mask += ZOOM_SELECT_WRITE;
2639 if (c->cs->io_pending & CS_WANT_READ)
2640 c->mask += ZOOM_SELECT_READ;
2641 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2645 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2646 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2648 return zoom_pending;
2651 static zoom_ret do_write(ZOOM_connection c)
2653 return do_write_ex (c, c->buf_out, c->len_out);
2657 ZOOM_API(const char *)
2658 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2660 return ZOOM_options_get (c->options, key);
2664 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2667 ZOOM_options_set (c->options, key, val);
2670 ZOOM_API(const char *)
2671 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2673 return ZOOM_options_get (r->options, key);
2677 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2680 ZOOM_options_set (r->options, key, val);
2685 ZOOM_connection_errcode (ZOOM_connection c)
2687 return ZOOM_connection_error (c, 0, 0);
2690 ZOOM_API(const char *)
2691 ZOOM_connection_errmsg (ZOOM_connection c)
2694 ZOOM_connection_error (c, &msg, 0);
2698 ZOOM_API(const char *)
2699 ZOOM_connection_addinfo (ZOOM_connection c)
2701 const char *addinfo;
2702 ZOOM_connection_error (c, 0, &addinfo);
2706 ZOOM_API(const char *)
2707 ZOOM_diag_str (int error)
2711 case ZOOM_ERROR_NONE:
2713 case ZOOM_ERROR_CONNECT:
2714 return "Connect failed";
2715 case ZOOM_ERROR_MEMORY:
2716 return "Out of memory";
2717 case ZOOM_ERROR_ENCODE:
2718 return "Encoding failed";
2719 case ZOOM_ERROR_DECODE:
2720 return "Decoding failed";
2721 case ZOOM_ERROR_CONNECTION_LOST:
2722 return "Connection lost";
2723 case ZOOM_ERROR_INIT:
2724 return "Init rejected";
2725 case ZOOM_ERROR_INTERNAL:
2726 return "Internal failure";
2727 case ZOOM_ERROR_TIMEOUT:
2729 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2730 return "Unsupported protocol";
2731 case ZOOM_ERROR_UNSUPPORTED_QUERY:
2732 return "Unsupported query type";
2734 return diagbib1_str (error);
2739 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2740 const char **addinfo, const char **diagset)
2742 int error = c->error;
2745 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
2746 *cp = ZOOM_diag_str(error);
2747 else if (!strcmp(c->diagset, "HTTP"))
2748 *cp = z_HTTP_errmsg(c->error);
2749 else if (!strcmp(c->diagset, "Bib-1"))
2750 *cp = ZOOM_diag_str(error);
2751 else if (!strcmp(c->diagset, "SRW"))
2752 *cp = yaz_diag_srw_str(c->error);
2754 *cp = "Unknown error and diagnostic set";
2757 *addinfo = c->addinfo ? c->addinfo : "";
2759 *diagset = c->diagset ? c->diagset : "";
2764 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2765 const char **addinfo)
2767 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2770 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2772 ZOOM_Event event = 0;
2773 int r = cs_look(c->cs);
2774 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2779 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2780 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2782 ZOOM_connection_put_event (c, event);
2784 else if (r == CS_CONNECT)
2787 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2789 ret = cs_rcvconnect (c->cs);
2790 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2793 c->mask = ZOOM_SELECT_EXCEPT;
2794 if (c->cs->io_pending & CS_WANT_WRITE)
2795 c->mask += ZOOM_SELECT_WRITE;
2796 if (c->cs->io_pending & CS_WANT_READ)
2797 c->mask += ZOOM_SELECT_READ;
2798 ZOOM_connection_put_event (c, event);
2802 ZOOM_connection_put_event (c, event);
2803 if (c->proto == PROTO_Z3950)
2804 ZOOM_connection_send_init(c);
2807 /* no init request for SRW .. */
2808 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2809 ZOOM_connection_remove_task (c);
2811 ZOOM_connection_exec_task (c);
2813 c->state = STATE_ESTABLISHED;
2817 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2819 ZOOM_connection_put_event (c, event);
2824 if (mask & ZOOM_SELECT_READ)
2826 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2833 ZOOM_connection_last_event(ZOOM_connection cs)
2836 return ZOOM_EVENT_NONE;
2837 return cs->last_event;
2841 ZOOM_event (int no, ZOOM_connection *cs)
2845 struct pollfd pollfds[1024];
2846 ZOOM_connection poll_cs[1024];
2849 fd_set input, output, except;
2854 for (i = 0; i<no; i++)
2856 ZOOM_connection c = cs[i];
2858 if (c && (event = ZOOM_connection_get_event(c)))
2860 ZOOM_Event_destroy (event);
2864 for (i = 0; i<no; i++)
2866 ZOOM_connection c = cs[i];
2868 if (c && ZOOM_connection_exec_task (c))
2870 if ((event = ZOOM_connection_get_event(c)))
2872 ZOOM_Event_destroy (event);
2885 for (i = 0; i<no; i++)
2887 ZOOM_connection c = cs[i];
2893 fd = z3950_connection_socket(c);
2894 mask = z3950_connection_mask(c);
2901 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
2902 if (this_timeout != -1 && this_timeout < timeout)
2903 timeout = this_timeout;
2907 short poll_events = 0;
2909 if (mask & ZOOM_SELECT_READ)
2910 poll_events += POLLIN;
2911 if (mask & ZOOM_SELECT_WRITE)
2912 poll_events += POLLOUT;
2913 if (mask & ZOOM_SELECT_EXCEPT)
2914 poll_events += POLLERR;
2915 pollfds[nfds].fd = fd;
2916 pollfds[nfds].events = poll_events;
2917 pollfds[nfds].revents = 0;
2922 if (mask & ZOOM_SELECT_READ)
2924 FD_SET (fd, &input);
2927 if (mask & ZOOM_SELECT_WRITE)
2929 FD_SET (fd, &output);
2932 if (mask & ZOOM_SELECT_EXCEPT)
2934 FD_SET (fd, &except);
2939 if (timeout >= 5000)
2946 r = poll (pollfds, nfds, timeout * 1000);
2947 for (i = 0; i<nfds; i++)
2949 ZOOM_connection c = poll_cs[i];
2953 if (pollfds[i].revents & POLLIN)
2954 mask += ZOOM_SELECT_READ;
2955 if (pollfds[i].revents & POLLOUT)
2956 mask += ZOOM_SELECT_WRITE;
2957 if (pollfds[i].revents & POLLERR)
2958 mask += ZOOM_SELECT_EXCEPT;
2960 ZOOM_connection_do_io(c, mask);
2962 else if (r == 0 && c->mask)
2964 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2965 /* timeout and this connection was waiting */
2966 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
2968 ZOOM_connection_put_event(c, event);
2972 tv.tv_sec = timeout;
2974 yaz_log (LOG_DEBUG, "select start");
2975 r = select (max_fd+1, &input, &output, &except, &tv);
2976 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
2977 for (i = 0; i<no; i++)
2979 ZOOM_connection c = cs[i];
2984 fd = z3950_connection_socket(c);
2988 /* no timeout and real socket */
2989 if (FD_ISSET(fd, &input))
2990 mask += ZOOM_SELECT_READ;
2991 if (FD_ISSET(fd, &output))
2992 mask += ZOOM_SELECT_WRITE;
2993 if (FD_ISSET(fd, &except))
2994 mask += ZOOM_SELECT_EXCEPT;
2996 ZOOM_connection_do_io(c, mask);
2998 if (r == 0 && c->mask)
3000 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3001 /* timeout and this connection was waiting */
3002 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3004 yaz_log (LOG_DEBUG, "timeout");
3005 ZOOM_connection_put_event(c, event);
3009 for (i = 0; i<no; i++)
3011 ZOOM_connection c = cs[i];
3013 if (c && (event = ZOOM_connection_get_event(c)))
3015 ZOOM_Event_destroy (event);