2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.23 2003-02-18 09:12:14 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_LOG, "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);
396 ZOOM_query_destroy(ZOOM_query s)
402 yaz_log (LOG_DEBUG, "ZOOM_query_destroy count=%d", s->refcount);
403 if (s->refcount == 0)
405 odr_destroy (s->odr);
411 ZOOM_query_prefix(ZOOM_query s, const char *str)
413 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
414 s->z_query->which = Z_Query_type_1;
415 s->z_query->u.type_1 = p_query_rpn(s->odr, PROTO_Z3950, str);
416 if (!s->z_query->u.type_1)
422 ZOOM_query_cql(ZOOM_query s, const char *str)
426 ext = (Z_External *) odr_malloc(s->odr, sizeof(*ext));
427 ext->direct_reference = odr_getoidbystr(s->odr, "1.2.840.10003.16.2");
428 ext->indirect_reference = 0;
430 ext->which = Z_External_CQL;
431 ext->u.cql = odr_strdup(s->odr, str);
433 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
434 s->z_query->which = Z_Query_type_104;
435 s->z_query->u.type_104 = ext;
440 ZOOM_query_sortby(ZOOM_query s, const char *criteria)
442 s->sort_spec = yaz_sort_spec (s->odr, criteria);
448 static zoom_ret do_write(ZOOM_connection c);
451 ZOOM_connection_destroy(ZOOM_connection c)
458 for (r = c->resultsets; r; r = r->next)
463 odr_destroy (c->odr_in);
464 odr_destroy (c->odr_out);
465 ZOOM_options_destroy (c->options);
466 ZOOM_connection_remove_tasks (c);
467 xfree (c->host_port);
472 xfree (c->cookie_out);
473 xfree (c->cookie_in);
474 xfree (c->client_IP);
478 void ZOOM_resultset_addref (ZOOM_resultset r)
483 yaz_log (LOG_DEBUG, "ZOOM_resultset_addref r=%p count=%d",
487 ZOOM_resultset ZOOM_resultset_create ()
489 ZOOM_resultset r = (ZOOM_resultset) xmalloc (sizeof(*r));
491 yaz_log (LOG_DEBUG, "ZOOM_resultset_create r = %p", r);
494 r->odr = odr_createmem (ODR_ENCODE);
509 ZOOM_API(ZOOM_resultset)
510 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
513 ZOOM_query s = ZOOM_query_create();
515 ZOOM_query_prefix (s, q);
517 r = ZOOM_connection_search (c, s);
518 ZOOM_query_destroy (s);
522 ZOOM_API(ZOOM_resultset)
523 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
525 ZOOM_resultset r = ZOOM_resultset_create ();
529 r->r_sort_spec = q->sort_spec;
530 r->z_query = q->z_query;
533 r->options = ZOOM_options_create_with_parent(c->options);
535 r->start = ZOOM_options_get_int(r->options, "start", 0);
536 r->count = ZOOM_options_get_int(r->options, "count", 0);
537 r->piggyback = ZOOM_options_get_bool (r->options, "piggyback", 1);
538 cp = ZOOM_options_get (r->options, "setname");
540 r->setname = xstrdup(cp);
541 cp = ZOOM_options_get (r->options, "schema");
543 r->schema = xstrdup(cp);
547 r->next = c->resultsets;
550 if (c->host_port && c->proto == PROTO_SRW)
554 yaz_log(LOG_DEBUG, "NO COMSTACK");
555 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
559 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
564 task = ZOOM_connection_add_task (c, ZOOM_TASK_SEARCH);
565 task->u.search.resultset = r;
566 ZOOM_resultset_addref (r);
572 while (ZOOM_event (1, &c))
579 ZOOM_resultset_destroy(ZOOM_resultset r)
584 yaz_log (LOG_DEBUG, "ZOOM_resultset_destroy r = %p count=%d",
586 if (r->refcount == 0)
588 ZOOM_record_cache rc;
590 for (rc = r->record_cache; rc; rc = rc->next)
591 if (rc->rec.wrbuf_marc)
592 wrbuf_free (rc->rec.wrbuf_marc, 1);
595 /* remove ourselves from the resultsets in connection */
596 ZOOM_resultset *rp = &r->connection->resultsets;
599 assert (*rp); /* we must be in this list!! */
601 { /* OK, we're here - take us out of it */
608 ZOOM_query_destroy (r->search);
609 ZOOM_options_destroy (r->options);
610 odr_destroy (r->odr);
618 ZOOM_resultset_size (ZOOM_resultset r)
623 static void do_close (ZOOM_connection c)
629 c->state = STATE_IDLE;
632 static void ZOOM_resultset_retrieve (ZOOM_resultset r,
633 int force_sync, int start, int count)
645 if (c->host_port && c->proto == PROTO_SRW)
649 yaz_log(LOG_DEBUG, "NO COMSTACK");
650 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
654 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
658 task = ZOOM_connection_add_task (c, ZOOM_TASK_RETRIEVE);
659 task->u.retrieve.resultset = r;
660 task->u.retrieve.start = start;
661 task->u.retrieve.count = count;
663 cp = ZOOM_options_get (r->options, "schema");
666 if (!r->schema || strcmp(r->schema, cp))
669 r->schema = xstrdup(cp);
673 ZOOM_resultset_addref (r);
675 if (!r->connection->async || force_sync)
676 while (r->connection && ZOOM_event (1, &r->connection))
681 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
682 size_t start, size_t count)
684 int force_present = 0;
690 ZOOM_resultset_retrieve (r, force_present, start, count);
694 for (i = 0; i< count; i++)
695 recs[i] = ZOOM_resultset_record_immediate (r, i+start);
699 static zoom_ret do_connect (ZOOM_connection c)
702 const char *effective_host;
705 effective_host = c->proxy;
707 effective_host = c->host_port;
709 yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
713 if (memcmp(c->host_port, "http:", 5) == 0)
717 c->proto = PROTO_SRW;
718 effective_host = c->host_port + 5;
719 if (*effective_host == '/')
721 if (*effective_host == '/')
723 if (!(path = strchr(effective_host, '/')))
726 c->path = xstrdup(path);
728 c->state = STATE_IDLE;
729 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
730 return zoom_complete;
733 c->cs = cs_create_host (effective_host, 0, &add);
737 int ret = cs_connect (c->cs, add);
740 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
741 ZOOM_connection_put_event(c, event);
742 if (c->proto == PROTO_Z3950)
743 ZOOM_connection_send_init(c);
746 /* no init request for SRW .. */
747 assert (c->tasks->which == ZOOM_TASK_CONNECT);
748 ZOOM_connection_remove_task (c);
750 ZOOM_connection_exec_task (c);
752 c->state = STATE_ESTABLISHED;
757 c->state = STATE_CONNECTING;
758 c->mask = ZOOM_SELECT_EXCEPT;
759 if (c->cs->io_pending & CS_WANT_WRITE)
760 c->mask += ZOOM_SELECT_WRITE;
761 if (c->cs->io_pending & CS_WANT_READ)
762 c->mask += ZOOM_SELECT_READ;
766 c->state = STATE_IDLE;
767 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
768 return zoom_complete;
771 int z3950_connection_socket(ZOOM_connection c)
774 return cs_fileno(c->cs);
778 int z3950_connection_mask(ZOOM_connection c)
785 static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
788 for (i = 0; i<200; i++)
791 Z_OtherInformation **oi;
797 sprintf (buf, "otherInfo%d", i);
798 val = ZOOM_options_get (c->options, buf);
801 cp = strchr (val, ':');
805 if (len >= sizeof(buf))
807 memcpy (buf, val, len);
809 oidval = oid_getvalbyname (buf);
810 if (oidval == VAL_NONE)
814 yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
818 static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
823 Z_OtherInformation **oi;
825 yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
829 Z_OtherInformation **oi;
831 yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
833 otherInfo_attach (c, a, out);
834 if (!z_APDU(out, &a, 0, 0))
836 FILE *outf = fopen("/tmp/apdu.txt", "a");
839 ODR odr_pr = odr_createmem(ODR_PRINT);
840 fprintf (outf, "a=%p\n", a);
841 odr_setprint(odr_pr, outf);
842 z_APDU(odr_pr, &a, 0, 0);
845 yaz_log (LOG_DEBUG, "encoding failed");
846 set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
854 static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
858 if (encode_APDU(c, a, c->odr_out))
859 return zoom_complete;
860 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
861 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
862 ZOOM_connection_put_event (c, event);
863 odr_reset(c->odr_out);
867 /* returns 1 if PDU was sent OK (still pending )
868 0 if PDU was not sent OK (nothing to wait for)
871 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
874 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
875 Z_InitRequest *ireq = apdu->u.initRequest;
876 Z_IdAuthentication *auth = (Z_IdAuthentication *)
877 odr_malloc(c->odr_out, sizeof(*auth));
878 const char *auth_groupId = ZOOM_options_get (c->options, "group");
879 const char *auth_userId = ZOOM_options_get (c->options, "user");
880 const char *auth_password = ZOOM_options_get (c->options, "pass");
882 ODR_MASK_SET(ireq->options, Z_Options_search);
883 ODR_MASK_SET(ireq->options, Z_Options_present);
884 ODR_MASK_SET(ireq->options, Z_Options_scan);
885 ODR_MASK_SET(ireq->options, Z_Options_sort);
886 ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
887 ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
889 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
890 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
891 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
893 impname = ZOOM_options_get (c->options, "implementationName");
894 ireq->implementationName =
895 (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
896 strcpy (ireq->implementationName, "");
899 strcat (ireq->implementationName, impname);
900 strcat (ireq->implementationName, "/");
902 strcat (ireq->implementationName, "ZOOM-C/YAZ");
904 *ireq->maximumRecordSize =
905 ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
906 *ireq->preferredMessageSize =
907 ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
909 if (auth_groupId || auth_password)
911 Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
914 if (auth_groupId && *auth_groupId)
916 pass->groupId = (char *)
917 odr_malloc(c->odr_out, strlen(auth_groupId)+1);
918 strcpy(pass->groupId, auth_groupId);
922 if (auth_userId && *auth_userId)
924 pass->userId = (char *)
925 odr_malloc(c->odr_out, strlen(auth_userId)+1);
926 strcpy(pass->userId, auth_userId);
930 if (auth_password && *auth_password)
932 pass->password = (char *)
933 odr_malloc(c->odr_out, strlen(auth_password)+1);
934 strcpy(pass->password, auth_password);
939 auth->which = Z_IdAuthentication_idPass;
940 auth->u.idPass = pass;
941 ireq->idAuthentication = auth;
944 else if (auth_userId)
946 auth->which = Z_IdAuthentication_open;
947 auth->u.open = (char *)
948 odr_malloc(c->odr_out, strlen(auth_userId)+1);
949 strcpy(auth->u.open, auth_userId);
950 ireq->idAuthentication = auth;
953 yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
954 VAL_PROXY, 1, c->host_port);
955 if (c->charset||c->lang)
957 Z_OtherInformation **oi;
958 Z_OtherInformationUnit *oi_unit;
960 yaz_oi_APDU(apdu, &oi);
962 if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
964 ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
966 oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
967 oi_unit->information.externallyDefinedInfo =
968 yaz_set_proposal_charneg
970 (const char **)&c->charset, (c->charset) ? 1:0,
971 (const char **)&c->lang, (c->lang) ? 1:0, 1);
975 return send_APDU (c, apdu);
979 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_searchRetrieve *sr)
981 Z_SOAP_Handler h[2] = {
982 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
985 ODR o = odr_createmem(ODR_ENCODE);
987 Z_SOAP *p = odr_malloc(o, sizeof(*p));
991 gdu = z_get_HTTP_Request(c->odr_out);
992 gdu->u.HTTP_Request->path = c->path;
993 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
994 "Content-Type", "text/xml");
995 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
996 "SOAPAction", "\"\"");
997 p->which = Z_SOAP_generic;
998 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
999 p->u.generic->no = 0;
1000 p->u.generic->ns = 0;
1001 p->u.generic->p = sr;
1002 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
1004 ret = z_soap_codec(o, &p,
1005 &gdu->u.HTTP_Request->content_buf,
1006 &gdu->u.HTTP_Request->content_len, h);
1008 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1009 return zoom_complete;
1010 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1014 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1015 ZOOM_connection_put_event (c, event);
1016 odr_reset(c->odr_out);
1017 return do_write (c);
1022 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1025 ZOOM_resultset resultset = 0;
1026 Z_SRW_searchRetrieve *sr = 0;
1028 if (c->error) /* don't continue on error */
1029 return zoom_complete;
1031 if (c->tasks->which == ZOOM_TASK_SEARCH)
1033 resultset = c->tasks->u.search.resultset;
1034 resultset->setname = xstrdup ("default");
1035 ZOOM_options_set (resultset->options, "setname", resultset->setname);
1037 else if(c->tasks->which == ZOOM_TASK_RETRIEVE)
1039 resultset = c->tasks->u.retrieve.resultset;
1041 resultset->start = c->tasks->u.retrieve.start;
1042 resultset->count = c->tasks->u.retrieve.count;
1044 if (resultset->start >= resultset->size)
1045 return zoom_complete;
1046 if (resultset->start + resultset->count > resultset->size)
1047 resultset->count = resultset->size - resultset->start;
1049 for (i = 0; i<resultset->count; i++)
1052 record_cache_lookup (resultset, i + resultset->start);
1056 if (i == resultset->count)
1057 return zoom_complete;
1059 assert(resultset->z_query);
1061 sr = yaz_srw_get(c->odr_out, Z_SRW_searchRetrieve_request);
1063 if (resultset->z_query->which == Z_Query_type_104
1064 && resultset->z_query->u.type_104->which == Z_External_CQL)
1065 sr->u.request->query = resultset->z_query->u.type_104->u.cql;
1066 else if (resultset->z_query->which == Z_Query_type_1)
1068 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, "Type-1");
1069 return zoom_complete;
1073 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
1074 return zoom_complete;
1076 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
1077 sr->u.request->maximumRecords = odr_intdup (c->odr_out, resultset->count);
1078 sr->u.request->recordSchema = resultset->schema;
1081 return send_srw(c, sr);
1084 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1086 return zoom_complete;
1090 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
1093 int lslb, ssub, mspn;
1095 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
1096 Z_SearchRequest *search_req = apdu->u.searchRequest;
1097 const char *elementSetName;
1098 const char *smallSetElementSetName;
1099 const char *mediumSetElementSetName;
1102 assert (c->tasks->which == ZOOM_TASK_SEARCH);
1104 r = c->tasks->u.search.resultset;
1107 ZOOM_options_get (r->options, "elementSetName");
1108 smallSetElementSetName =
1109 ZOOM_options_get (r->options, "smallSetElementSetName");
1110 mediumSetElementSetName =
1111 ZOOM_options_get (r->options, "mediumSetElementSetName");
1113 if (!smallSetElementSetName)
1114 smallSetElementSetName = elementSetName;
1116 if (!mediumSetElementSetName)
1117 mediumSetElementSetName = elementSetName;
1120 assert (r->z_query);
1122 /* prepare query for the search request */
1123 search_req->query = r->z_query;
1125 search_req->databaseNames =
1126 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1128 /* get syntax (no need to provide unless piggyback is in effect) */
1129 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1131 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1132 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1133 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1134 if (lslb != -1 && ssub != -1 && mspn != -1)
1136 /* So're a Z39.50 expert? Let's hope you don't do sort */
1137 *search_req->largeSetLowerBound = lslb;
1138 *search_req->smallSetUpperBound = ssub;
1139 *search_req->mediumSetPresentNumber = mspn;
1141 else if (r->start == 0 && r->count > 0
1142 && r->piggyback && !r->r_sort_spec && !r->schema)
1144 /* Regular piggyback - do it unless we're going to do sort */
1145 *search_req->largeSetLowerBound = 2000000000;
1146 *search_req->smallSetUpperBound = 0;
1147 *search_req->mediumSetPresentNumber = r->count;
1148 smallSetElementSetName = 0;
1152 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1153 smallSetElementSetName = 0;
1154 mediumSetElementSetName = 0;
1157 if (smallSetElementSetName && *smallSetElementSetName)
1159 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1160 odr_malloc (c->odr_out, sizeof(*esn));
1162 esn->which = Z_ElementSetNames_generic;
1163 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1164 search_req->smallSetElementSetNames = esn;
1166 if (mediumSetElementSetName && *mediumSetElementSetName)
1168 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1169 odr_malloc (c->odr_out, sizeof(*esn));
1171 esn->which = Z_ElementSetNames_generic;
1172 esn->u.generic = odr_strdup (c->odr_out, mediumSetElementSetName);
1173 search_req->mediumSetElementSetNames = esn;
1176 search_req->preferredRecordSyntax =
1177 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1181 if (c->support_named_resultsets)
1185 /* find the lowest unused ordinal so that we re-use
1186 result sets on the server. */
1187 for (ord = 1; ; ord++)
1190 sprintf (setname, "%d", ord);
1191 for (rp = c->resultsets; rp; rp = rp->next)
1192 if (rp->setname && !strcmp (rp->setname, setname))
1197 r->setname = xstrdup (setname);
1198 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1201 r->setname = xstrdup ("default");
1202 ZOOM_options_set (r->options, "setname", r->setname);
1204 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1205 /* send search request */
1206 return send_APDU (c, apdu);
1209 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1212 Z_DefaultDiagFormat *r;
1217 if (p->which != Z_DiagRec_defaultFormat)
1219 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1222 r = p->u.defaultFormat;
1225 case Z_DefaultDiagFormat_v2Addinfo:
1226 addinfo = r->u.v2Addinfo;
1228 case Z_DefaultDiagFormat_v3Addinfo:
1229 addinfo = r->u.v3Addinfo;
1232 set_dset_error(c, *r->condition,
1233 yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
1237 ZOOM_API(ZOOM_record)
1238 ZOOM_record_clone (ZOOM_record srec)
1245 odr_enc = odr_createmem(ODR_ENCODE);
1246 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1248 buf = odr_getbuf (odr_enc, &size, 0);
1250 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1251 nrec->odr = odr_createmem(ODR_DECODE);
1252 nrec->wrbuf_marc = 0;
1253 odr_setbuf (nrec->odr, buf, size, 0);
1254 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1256 odr_destroy (odr_enc);
1260 ZOOM_API(ZOOM_record)
1261 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1263 return record_cache_lookup (s, pos);
1266 ZOOM_API(ZOOM_record)
1267 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1269 ZOOM_resultset_retrieve (r, 1, pos, 1);
1270 return ZOOM_resultset_record_immediate (r, pos);
1274 ZOOM_record_destroy (ZOOM_record rec)
1278 if (rec->wrbuf_marc)
1279 wrbuf_free (rec->wrbuf_marc, 1);
1280 odr_destroy (rec->odr);
1284 ZOOM_API(const char *)
1285 ZOOM_record_get (ZOOM_record rec, const char *type, int *len)
1287 Z_NamePlusRecord *npr;
1290 *len = 0; /* default return */
1297 if (!strcmp (type, "database"))
1300 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1301 return npr->databaseName;
1303 else if (!strcmp (type, "syntax"))
1305 const char *desc = 0;
1306 if (npr->which == Z_NamePlusRecord_databaseRecord)
1308 Z_External *r = (Z_External *) npr->u.databaseRecord;
1309 oident *ent = oid_getentbyoid(r->direct_reference);
1316 *len = strlen(desc);
1319 else if (!strcmp (type, "render") &&
1320 npr->which == Z_NamePlusRecord_databaseRecord)
1322 Z_External *r = (Z_External *) npr->u.databaseRecord;
1323 oident *ent = oid_getentbyoid(r->direct_reference);
1325 if (r->which == Z_External_sutrs)
1327 if (len) *len = r->u.sutrs->len;
1328 return (const char *) r->u.sutrs->buf;
1330 else if (r->which == Z_External_octet)
1340 case VAL_APPLICATION_XML:
1343 if (!rec->wrbuf_marc)
1344 rec->wrbuf_marc = wrbuf_alloc();
1346 mt = yaz_marc_create();
1347 wrbuf_rewind (rec->wrbuf_marc);
1348 if (yaz_marc_decode_wrbuf (
1349 mt, (const char *) r->u.octet_aligned->buf,
1350 r->u.octet_aligned->len,
1351 rec->wrbuf_marc) > 0)
1354 *len = wrbuf_len(rec->wrbuf_marc);
1355 yaz_marc_destroy(mt);
1356 return wrbuf_buf(rec->wrbuf_marc);
1358 yaz_marc_destroy(mt);
1361 *len = r->u.octet_aligned->len;
1362 return (const char *) r->u.octet_aligned->buf;
1364 else if (r->which == Z_External_grs1)
1366 if (!rec->wrbuf_marc)
1367 rec->wrbuf_marc = wrbuf_alloc();
1368 wrbuf_rewind (rec->wrbuf_marc);
1369 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1371 *len = wrbuf_len(rec->wrbuf_marc);
1372 return wrbuf_buf(rec->wrbuf_marc);
1376 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1377 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1379 Z_External *r = (Z_External *) npr->u.databaseRecord;
1380 oident *ent = oid_getentbyoid(r->direct_reference);
1382 if (r->which == Z_External_sutrs)
1384 if (len) *len = r->u.sutrs->len;
1385 return (const char *) r->u.sutrs->buf;
1387 else if (r->which == Z_External_octet)
1390 int marc_decode_type = YAZ_MARC_MARCXML;
1392 if (!strcmp(type, "oai"))
1393 marc_decode_type = YAZ_MARC_OAIMARC;
1401 case VAL_APPLICATION_XML:
1404 if (!rec->wrbuf_marc)
1405 rec->wrbuf_marc = wrbuf_alloc();
1406 wrbuf_rewind (rec->wrbuf_marc);
1407 mt = yaz_marc_create();
1409 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1410 if (yaz_marc_decode_wrbuf (
1411 mt, (const char *) r->u.octet_aligned->buf,
1412 r->u.octet_aligned->len,
1413 rec->wrbuf_marc) > 0)
1416 *len = wrbuf_len(rec->wrbuf_marc);
1417 yaz_marc_destroy(mt);
1418 return wrbuf_buf(rec->wrbuf_marc);
1420 yaz_marc_destroy(mt);
1422 if (len) *len = r->u.octet_aligned->len;
1423 return (const char *) r->u.octet_aligned->buf;
1425 else if (r->which == Z_External_grs1)
1432 else if (!strcmp (type, "raw"))
1434 if (npr->which == Z_NamePlusRecord_databaseRecord)
1436 Z_External *r = (Z_External *) npr->u.databaseRecord;
1438 if (r->which == Z_External_sutrs)
1440 if (len) *len = r->u.sutrs->len;
1441 return (const char *) r->u.sutrs->buf;
1443 else if (r->which == Z_External_octet)
1445 if (len) *len = r->u.octet_aligned->len;
1446 return (const char *) r->u.octet_aligned->buf;
1448 else /* grs-1, explain, ... */
1451 return (const char *) npr->u.databaseRecord;
1456 else if (!strcmp (type, "ext"))
1458 if (npr->which == Z_NamePlusRecord_databaseRecord)
1459 return (const char *) npr->u.databaseRecord;
1465 static int strcmp_null(const char *v1, const char *v2)
1471 return strcmp(v1, v2);
1474 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr,
1477 ZOOM_record_cache rc;
1478 const char *elementSetName =
1479 ZOOM_resultset_option_get (r, "elementSetName");
1480 const char *syntax =
1481 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1483 for (rc = r->record_cache; rc; rc = rc->next)
1487 if (strcmp_null(r->schema, rc->schema))
1489 if (strcmp_null(elementSetName,rc->elementSetName))
1491 if (strcmp_null(syntax, rc->syntax))
1493 /* not destroying rc->npr (it's handled by nmem )*/
1495 /* keeping wrbuf_marc too */
1499 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1502 rc->rec.wrbuf_marc = 0;
1504 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1506 rc->elementSetName = 0;
1509 rc->syntax = odr_strdup (r->odr, syntax);
1514 rc->schema = odr_strdup (r->odr, r->schema);
1519 rc->next = r->record_cache;
1520 r->record_cache = rc;
1523 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1525 ZOOM_record_cache rc;
1526 const char *elementSetName =
1527 ZOOM_resultset_option_get (r, "elementSetName");
1528 const char *syntax =
1529 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1531 for (rc = r->record_cache; rc; rc = rc->next)
1535 if (strcmp_null(r->schema, rc->schema))
1537 if (strcmp_null(elementSetName,rc->elementSetName))
1539 if (strcmp_null(syntax, rc->syntax))
1547 static void handle_records (ZOOM_connection c, Z_Records *sr,
1550 ZOOM_resultset resultset;
1554 switch (c->tasks->which)
1556 case ZOOM_TASK_SEARCH:
1557 resultset = c->tasks->u.search.resultset;
1559 case ZOOM_TASK_RETRIEVE:
1560 resultset = c->tasks->u.retrieve.resultset;
1565 if (sr && sr->which == Z_Records_NSD)
1567 Z_DiagRec dr, *dr_p = &dr;
1568 dr.which = Z_DiagRec_defaultFormat;
1569 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1571 response_diag (c, dr_p);
1573 else if (sr && sr->which == Z_Records_multipleNSD)
1575 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1576 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1578 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1582 if (resultset->count + resultset->start > resultset->size)
1583 resultset->count = resultset->size - resultset->start;
1584 if (resultset->count < 0)
1585 resultset->count = 0;
1586 if (sr && sr->which == Z_Records_DBOSD)
1589 NMEM nmem = odr_extract_mem (c->odr_in);
1590 Z_NamePlusRecordList *p =
1591 sr->u.databaseOrSurDiagnostics;
1592 for (i = 0; i<p->num_records; i++)
1594 record_cache_add (resultset, p->records[i],
1595 i+ resultset->start);
1597 /* transfer our response to search_nmem .. we need it later */
1598 nmem_transfer (resultset->odr->mem, nmem);
1599 nmem_destroy (nmem);
1600 if (present_phase && p->num_records == 0)
1602 /* present response and we didn't get any records! */
1603 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1606 else if (present_phase)
1608 /* present response and we didn't get any records! */
1609 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1614 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1616 handle_records (c, pr->records, 1);
1619 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1621 ZOOM_resultset resultset;
1623 yaz_log (LOG_DEBUG, "got search response");
1625 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1628 resultset = c->tasks->u.search.resultset;
1630 resultset->size = *sr->resultCount;
1631 handle_records (c, sr->records, 0);
1634 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1636 if (res->diagnostics && res->num_diagnostics > 0)
1637 response_diag (c, res->diagnostics[0]);
1640 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1642 NMEM nmem = odr_extract_mem (c->odr_in);
1645 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1647 scan = c->tasks->u.scan.scan;
1649 if (res->entries && res->entries->nonsurrogateDiagnostics)
1650 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1651 scan->scan_response = res;
1652 nmem_transfer (scan->odr->mem, nmem);
1654 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1655 if (res->positionOfTerm)
1656 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1657 if (res->scanStatus)
1658 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1659 if (res->numberOfEntriesReturned)
1660 ZOOM_options_set_int (scan->options, "number",
1661 *res->numberOfEntriesReturned);
1662 nmem_destroy (nmem);
1666 static zoom_ret send_sort (ZOOM_connection c)
1668 ZOOM_resultset resultset;
1670 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1671 return zoom_complete;
1673 resultset = c->tasks->u.search.resultset;
1677 resultset->r_sort_spec = 0;
1678 return zoom_complete;
1680 if (resultset->r_sort_spec)
1682 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1683 Z_SortRequest *req = apdu->u.sortRequest;
1685 req->num_inputResultSetNames = 1;
1686 req->inputResultSetNames = (Z_InternationalString **)
1687 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1688 req->inputResultSetNames[0] =
1689 odr_strdup (c->odr_out, resultset->setname);
1690 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1691 req->sortSequence = resultset->r_sort_spec;
1692 resultset->r_sort_spec = 0;
1693 return send_APDU (c, apdu);
1695 return zoom_complete;
1698 static zoom_ret send_present (ZOOM_connection c)
1701 Z_PresentRequest *req = 0;
1703 const char *syntax = 0;
1704 const char *elementSetName = 0;
1705 ZOOM_resultset resultset;
1708 return zoom_complete;
1710 switch (c->tasks->which)
1712 case ZOOM_TASK_SEARCH:
1713 resultset = c->tasks->u.search.resultset;
1715 case ZOOM_TASK_RETRIEVE:
1716 resultset = c->tasks->u.retrieve.resultset;
1717 resultset->start = c->tasks->u.retrieve.start;
1718 resultset->count = c->tasks->u.retrieve.count;
1720 if (resultset->start >= resultset->size)
1721 return zoom_complete;
1722 if (resultset->start + resultset->count > resultset->size)
1723 resultset->count = resultset->size - resultset->start;
1726 return zoom_complete;
1729 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1730 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1732 if (c->error) /* don't continue on error */
1733 return zoom_complete;
1734 if (resultset->start < 0)
1735 return zoom_complete;
1736 for (i = 0; i<resultset->count; i++)
1739 record_cache_lookup (resultset, i + resultset->start);
1743 if (i == resultset->count)
1744 return zoom_complete;
1746 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1747 req = apdu->u.presentRequest;
1749 resultset->start += i;
1750 resultset->count -= i;
1751 *req->resultSetStartPoint = resultset->start + 1;
1752 *req->numberOfRecordsRequested = resultset->count;
1753 assert (*req->numberOfRecordsRequested > 0);
1755 if (syntax && *syntax)
1756 req->preferredRecordSyntax =
1757 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1759 if (resultset->schema && *resultset->schema)
1761 Z_RecordComposition *compo = (Z_RecordComposition *)
1762 odr_malloc (c->odr_out, sizeof(*compo));
1764 req->recordComposition = compo;
1765 compo->which = Z_RecordComp_complex;
1766 compo->u.complex = (Z_CompSpec *)
1767 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1768 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1769 odr_malloc(c->odr_out, sizeof(bool_t));
1770 *compo->u.complex->selectAlternativeSyntax = 0;
1772 compo->u.complex->generic = (Z_Specification *)
1773 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1775 compo->u.complex->generic->which = Z_Schema_oid;
1776 compo->u.complex->generic->schema.oid = (Odr_oid *)
1777 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, resultset->schema);
1779 if (!compo->u.complex->generic->schema.oid)
1781 /* OID wasn't a schema! Try record syntax instead. */
1783 compo->u.complex->generic->schema.oid = (Odr_oid *)
1784 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
1786 if (elementSetName && *elementSetName)
1788 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
1789 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
1790 compo->u.complex->generic->elementSpec->which =
1791 Z_ElementSpec_elementSetName;
1792 compo->u.complex->generic->elementSpec->u.elementSetName =
1793 odr_strdup (c->odr_out, elementSetName);
1796 compo->u.complex->generic->elementSpec = 0;
1797 compo->u.complex->num_dbSpecific = 0;
1798 compo->u.complex->dbSpecific = 0;
1799 compo->u.complex->num_recordSyntax = 0;
1800 compo->u.complex->recordSyntax = 0;
1802 else if (elementSetName && *elementSetName)
1804 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1805 odr_malloc (c->odr_out, sizeof(*esn));
1806 Z_RecordComposition *compo = (Z_RecordComposition *)
1807 odr_malloc (c->odr_out, sizeof(*compo));
1809 esn->which = Z_ElementSetNames_generic;
1810 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
1811 compo->which = Z_RecordComp_simple;
1812 compo->u.simple = esn;
1813 req->recordComposition = compo;
1815 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
1816 return send_APDU (c, apdu);
1819 ZOOM_API(ZOOM_scanset)
1820 ZOOM_connection_scan (ZOOM_connection c, const char *start)
1822 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
1824 scan->connection = c;
1825 scan->odr = odr_createmem (ODR_DECODE);
1826 scan->options = ZOOM_options_create_with_parent (c->options);
1828 scan->scan_response = 0;
1830 if ((scan->termListAndStartPoint =
1831 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
1834 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
1835 task->u.scan.scan = scan;
1840 while (ZOOM_event (1, &c))
1848 ZOOM_scanset_destroy (ZOOM_scanset scan)
1853 if (scan->refcount == 0)
1855 odr_destroy (scan->odr);
1857 ZOOM_options_destroy (scan->options);
1862 static zoom_ret send_package (ZOOM_connection c)
1866 return zoom_complete;
1867 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1869 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1870 ZOOM_connection_put_event (c, event);
1872 return do_write_ex (c, c->tasks->u.package->buf_out,
1873 c->tasks->u.package->len_out);
1876 static zoom_ret send_scan (ZOOM_connection c)
1879 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
1880 Z_ScanRequest *req = apdu->u.scanRequest;
1882 return zoom_complete;
1883 assert (c->tasks->which == ZOOM_TASK_SCAN);
1884 scan = c->tasks->u.scan.scan;
1886 req->termListAndStartPoint = scan->termListAndStartPoint;
1887 req->attributeSet = scan->attributeSet;
1889 *req->numberOfTermsRequested =
1890 ZOOM_options_get_int(scan->options, "number", 10);
1892 req->preferredPositionInResponse =
1893 odr_intdup (c->odr_out,
1894 ZOOM_options_get_int(scan->options, "position", 1));
1897 odr_intdup (c->odr_out,
1898 ZOOM_options_get_int(scan->options, "stepSize", 0));
1900 req->databaseNames = set_DatabaseNames (c, scan->options,
1901 &req->num_databaseNames);
1903 return send_APDU (c, apdu);
1907 ZOOM_scanset_size (ZOOM_scanset scan)
1909 if (!scan || !scan->scan_response || !scan->scan_response->entries)
1911 return scan->scan_response->entries->num_entries;
1914 ZOOM_API(const char *)
1915 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
1918 const char *term = 0;
1919 size_t noent = ZOOM_scanset_size (scan);
1920 Z_ScanResponse *res = scan->scan_response;
1926 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1928 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1930 if (t->term->which == Z_Term_general)
1932 term = (const char *) t->term->u.general->buf;
1933 *len = t->term->u.general->len;
1935 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1940 ZOOM_API(const char *)
1941 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
1943 return ZOOM_options_get (scan->options, key);
1947 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
1950 ZOOM_options_set (scan->options, key, val);
1953 static Z_APDU *create_es_package (ZOOM_package p, int type)
1956 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
1957 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
1959 *req->function = Z_ExtendedServicesRequest_create;
1961 str = ZOOM_options_get(p->options, "package-name");
1963 req->packageName = nmem_strdup (p->odr_out->mem, str);
1965 str = ZOOM_options_get(p->options, "user-id");
1967 req->userId = nmem_strdup (p->odr_out->mem, str);
1969 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
1972 str = ZOOM_options_get(p->options, "function");
1975 if (!strcmp (str, "create"))
1977 if (!strcmp (str, "delete"))
1979 if (!strcmp (str, "modify"))
1985 static const char *ill_array_lookup (void *clientData, const char *idx)
1987 ZOOM_package p = (ZOOM_package) clientData;
1988 return ZOOM_options_get (p->options, idx+4);
1991 static Z_External *encode_ill_request (ZOOM_package p)
1993 ODR out = p->odr_out;
1996 struct ill_get_ctl ctl;
1998 ctl.odr = p->odr_out;
2000 ctl.f = ill_array_lookup;
2002 req = ill_get_ILLRequest(&ctl, "ill", 0);
2004 if (!ill_Request (out, &req, 0, 0))
2006 int ill_request_size;
2007 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
2008 if (ill_request_buf)
2009 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
2015 int illRequest_size = 0;
2016 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
2018 oid.proto = PROTO_GENERAL;
2019 oid.oclass = CLASS_GENERAL;
2020 oid.value = VAL_ISO_ILL_1;
2022 r = (Z_External *) odr_malloc (out, sizeof(*r));
2023 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
2024 r->indirect_reference = 0;
2026 r->which = Z_External_single;
2028 r->u.single_ASN1_type = (Odr_oct *)
2029 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
2030 r->u.single_ASN1_type->buf = (unsigned char*)
2031 odr_malloc (out, illRequest_size);
2032 r->u.single_ASN1_type->len = illRequest_size;
2033 r->u.single_ASN1_type->size = illRequest_size;
2034 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
2039 static Z_ItemOrder *encode_item_order(ZOOM_package p)
2041 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
2044 req->which=Z_IOItemOrder_esRequest;
2045 req->u.esRequest = (Z_IORequest *)
2046 odr_malloc(p->odr_out,sizeof(Z_IORequest));
2048 /* to keep part ... */
2049 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
2050 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
2051 req->u.esRequest->toKeep->supplDescription = 0;
2052 req->u.esRequest->toKeep->contact = (Z_IOContact *)
2053 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
2055 str = ZOOM_options_get(p->options, "contact-name");
2056 req->u.esRequest->toKeep->contact->name = str ?
2057 nmem_strdup (p->odr_out->mem, str) : 0;
2059 str = ZOOM_options_get(p->options, "contact-phone");
2060 req->u.esRequest->toKeep->contact->phone = str ?
2061 nmem_strdup (p->odr_out->mem, str) : 0;
2063 str = ZOOM_options_get(p->options, "contact-email");
2064 req->u.esRequest->toKeep->contact->email = str ?
2065 nmem_strdup (p->odr_out->mem, str) : 0;
2067 req->u.esRequest->toKeep->addlBilling = 0;
2069 /* not to keep part ... */
2070 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
2071 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
2073 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
2074 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
2076 str = ZOOM_options_get(p->options, "itemorder-setname");
2079 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
2080 nmem_strdup (p->odr_out->mem, str);
2081 req->u.esRequest->notToKeep->resultSetItem->item =
2082 (int *) odr_malloc(p->odr_out, sizeof(int));
2084 str = ZOOM_options_get(p->options, "itemorder-item");
2085 *req->u.esRequest->notToKeep->resultSetItem->item =
2086 (str ? atoi(str) : 1);
2088 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
2094 ZOOM_package_send (ZOOM_package p, const char *type)
2101 odr_reset (p->odr_out);
2104 if (!strcmp(type, "itemorder"))
2107 apdu = create_es_package (p, VAL_ITEMORDER);
2110 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2112 r->direct_reference =
2113 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2116 r->which = Z_External_itemOrder;
2117 r->indirect_reference = 0;
2118 r->u.itemOrder = encode_item_order (p);
2120 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2125 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2129 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2130 task->u.package = p;
2131 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2132 p->buf_out = (char *) xmalloc (p->len_out);
2133 memcpy (p->buf_out, buf, p->len_out);
2138 while (ZOOM_event (1, &c))
2145 ZOOM_API(ZOOM_package)
2146 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2148 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2151 p->odr_out = odr_createmem (ODR_ENCODE);
2152 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2160 ZOOM_package_destroy(ZOOM_package p)
2165 if (p->refcount == 0)
2167 odr_destroy (p->odr_out);
2170 ZOOM_options_destroy (p->options);
2175 ZOOM_API(const char *)
2176 ZOOM_package_option_get (ZOOM_package p, const char *key)
2178 return ZOOM_options_get (p->options, key);
2183 ZOOM_package_option_set (ZOOM_package p, const char *key,
2186 ZOOM_options_set (p->options, key, val);
2189 static int ZOOM_connection_exec_task (ZOOM_connection c)
2191 ZOOM_task task = c->tasks;
2192 zoom_ret ret = zoom_complete;
2196 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2199 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2200 task->which, task->running);
2201 if (c->error != ZOOM_ERROR_NONE)
2203 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2204 ZOOM_connection_remove_tasks (c);
2209 yaz_log (LOG_DEBUG, "task already running");
2213 ret = zoom_complete;
2214 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2216 switch (task->which)
2218 case ZOOM_TASK_SEARCH:
2219 if (c->proto == PROTO_SRW)
2220 ret = ZOOM_connection_srw_send_search(c);
2222 ret = ZOOM_connection_send_search(c);
2224 case ZOOM_TASK_RETRIEVE:
2225 if (c->proto == PROTO_SRW)
2226 ret = ZOOM_connection_srw_send_search(c);
2228 ret = send_present (c);
2230 case ZOOM_TASK_CONNECT:
2231 ret = do_connect(c);
2233 case ZOOM_TASK_SCAN:
2236 case ZOOM_TASK_PACKAGE:
2237 ret = send_package(c);
2243 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2244 ZOOM_connection_remove_tasks (c);
2246 if (ret == zoom_complete)
2248 yaz_log (LOG_DEBUG, "task removed (complete)");
2249 ZOOM_connection_remove_task (c);
2252 yaz_log (LOG_DEBUG, "task pending");
2256 static zoom_ret send_sort_present (ZOOM_connection c)
2258 zoom_ret r = send_sort (c);
2259 if (r == zoom_complete)
2260 r = send_present (c);
2264 static int es_response (ZOOM_connection c,
2265 Z_ExtendedServicesResponse *res)
2267 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2269 if (res->diagnostics && res->num_diagnostics > 0)
2270 response_diag(c, res->diagnostics[0]);
2271 if (res->taskPackage &&
2272 res->taskPackage->which == Z_External_extendedService)
2274 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2275 Odr_oct *id = taskPackage->targetReference;
2278 ZOOM_options_setl (c->tasks->u.package->options,
2279 "targetReference", (char*) id->buf, id->len);
2285 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2287 Z_InitResponse *initrs;
2290 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2293 case Z_APDU_initResponse:
2294 initrs = apdu->u.initResponse;
2295 ZOOM_connection_option_set(c, "targetImplementationId",
2296 initrs->implementationId ?
2297 initrs->implementationId : "");
2298 ZOOM_connection_option_set(c, "targetImplementationName",
2299 initrs->implementationName ?
2300 initrs->implementationName : "");
2301 ZOOM_connection_option_set(c, "targetImplementationVersion",
2302 initrs->implementationVersion ?
2303 initrs->implementationVersion : "");
2304 if (!*initrs->result)
2306 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2311 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2313 xfree (c->cookie_in);
2316 c->cookie_in = xstrdup(cookie);
2317 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2318 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2319 c->support_named_resultsets = 1;
2322 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2323 ZOOM_connection_remove_task (c);
2325 ZOOM_connection_exec_task (c);
2327 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2329 NMEM tmpmem = nmem_create();
2330 Z_CharSetandLanguageNegotiation *p =
2331 yaz_get_charneg_record(initrs->otherInfo);
2335 char *charset=NULL, *lang=NULL;
2338 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2339 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2340 "language %s, select %d",
2341 charset ? charset : "none", lang ? lang : "none", sel);
2343 ZOOM_connection_option_set (c, "negotiation-charset",
2346 ZOOM_connection_option_set (c, "negotiation-lang",
2348 nmem_destroy(tmpmem);
2352 case Z_APDU_searchResponse:
2353 handle_search_response (c, apdu->u.searchResponse);
2354 if (send_sort_present (c) == zoom_complete)
2355 ZOOM_connection_remove_task (c);
2357 case Z_APDU_presentResponse:
2358 handle_present_response (c, apdu->u.presentResponse);
2359 if (send_present (c) == zoom_complete)
2360 ZOOM_connection_remove_task (c);
2362 case Z_APDU_sortResponse:
2363 sort_response (c, apdu->u.sortResponse);
2364 if (send_present (c) == zoom_complete)
2365 ZOOM_connection_remove_task (c);
2367 case Z_APDU_scanResponse:
2368 scan_response (c, apdu->u.scanResponse);
2369 ZOOM_connection_remove_task (c);
2371 case Z_APDU_extendedServicesResponse:
2372 es_response (c, apdu->u.extendedServicesResponse);
2373 ZOOM_connection_remove_task (c);
2376 if (c->reconnect_ok)
2379 c->tasks->running = 0;
2380 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2384 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2389 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2395 static void handle_srw_response(ZOOM_connection c,
2396 Z_SRW_searchRetrieveResponse *res)
2398 ZOOM_resultset resultset = 0;
2405 if (c->tasks->which == ZOOM_TASK_SEARCH)
2406 resultset = c->tasks->u.search.resultset;
2407 else if (c->tasks->which == ZOOM_TASK_RETRIEVE)
2408 resultset = c->tasks->u.retrieve.resultset;
2412 resultset->size = 0;
2414 yaz_log(LOG_LOG, "got SRW response OK");
2416 if (res->numberOfRecords)
2417 resultset->size = *res->numberOfRecords;
2419 for (i = 0; i<res->num_records; i++)
2423 Z_NamePlusRecord *npr = (Z_NamePlusRecord *)
2424 odr_malloc(c->odr_in, sizeof(Z_NamePlusRecord));
2426 if (res->records[i].recordPosition &&
2427 *res->records[i].recordPosition > 0)
2428 pos = *res->records[i].recordPosition - 1;
2430 pos = resultset->start + i;
2432 npr->databaseName = 0;
2433 npr->which = Z_NamePlusRecord_databaseRecord;
2434 npr->u.databaseRecord = (Z_External *)
2435 odr_malloc(c->odr_in, sizeof(Z_External));
2436 npr->u.databaseRecord->descriptor = 0;
2437 npr->u.databaseRecord->direct_reference =
2438 yaz_oidval_to_z3950oid(c->odr_in, CLASS_RECSYN, VAL_TEXT_XML);
2439 npr->u.databaseRecord->which = Z_External_octet;
2440 npr->u.databaseRecord->u.octet_aligned = (Odr_oct *)
2441 odr_malloc(c->odr_in, sizeof(Odr_oct));
2442 npr->u.databaseRecord->u.octet_aligned->buf =
2443 res->records[i].recordData_buf;
2444 npr->u.databaseRecord->u.octet_aligned->len =
2445 npr->u.databaseRecord->u.octet_aligned->size =
2446 res->records[i].recordData_len;
2447 record_cache_add (resultset, npr, pos);
2448 yaz_log(LOG_LOG, "add SRW record to cache to pos %d", pos);
2450 if (res->num_diagnostics > 0)
2452 set_dset_error(c, *res->diagnostics[0].code, "SRW",
2453 res->diagnostics[0].details, 0);
2455 nmem = odr_extract_mem(c->odr_in);
2456 nmem_transfer(resultset->odr->mem, nmem);
2462 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2465 const char *content_type = z_HTTP_header_lookup(hres->headers,
2467 const char *connection_head = z_HTTP_header_lookup(hres->headers,
2470 yaz_log (LOG_DEBUG, "handle_http");
2472 if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
2474 Z_SOAP *soap_package = 0;
2475 ODR o = odr_createmem(ODR_DECODE);
2476 Z_SOAP_Handler soap_handlers[2] = {
2477 {"http://www.loc.gov/zing/srw/v1.0/", 0,
2478 (Z_SOAP_fun) yaz_srw_codec},
2481 ret = z_soap_codec(o, &soap_package,
2482 &hres->content_buf, &hres->content_len,
2484 if (!ret && soap_package->which == Z_SOAP_generic &&
2485 soap_package->u.generic->no == 0)
2487 Z_SRW_searchRetrieve *sr = soap_package->u.generic->p;
2488 if (sr->which == Z_SRW_searchRetrieve_response)
2489 handle_srw_response(c, sr->u.response);
2493 else if (!ret && (soap_package->which == Z_SOAP_fault
2494 || soap_package->which == Z_SOAP_error))
2496 set_HTTP_error(c, hres->code,
2497 soap_package->u.fault->fault_code,
2498 soap_package->u.fault->fault_string);
2506 if (hres->code != 200)
2507 set_HTTP_error(c, hres->code, 0, 0);
2509 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2512 ZOOM_connection_remove_task(c);
2513 if (!strcmp(hres->version, "1.0"))
2515 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
2516 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
2521 /* HTTP 1.1: only if no close we stay alive .. */
2522 if (connection_head && !strcmp(connection_head, "close"))
2528 static int do_read (ZOOM_connection c)
2533 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2534 ZOOM_connection_put_event (c, event);
2536 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2538 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2543 if (c->reconnect_ok)
2546 c->reconnect_ok = 0;
2547 yaz_log (LOG_DEBUG, "reconnect read");
2548 c->tasks->running = 0;
2549 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2553 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2561 odr_reset (c->odr_in);
2562 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2563 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2564 ZOOM_connection_put_event (c, event);
2566 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2568 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2571 else if (gdu->which == Z_GDU_Z3950)
2572 handle_apdu (c, gdu->u.z3950);
2573 else if (gdu->which == Z_GDU_HTTP_Response)
2576 handle_http (c, gdu->u.HTTP_Response);
2578 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2582 c->reconnect_ok = 0;
2587 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2592 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2593 ZOOM_connection_put_event (c, event);
2595 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2596 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2598 if (c->reconnect_ok)
2601 c->reconnect_ok = 0;
2602 yaz_log (LOG_DEBUG, "reconnect write");
2603 c->tasks->running = 0;
2604 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2605 return zoom_pending;
2607 if (c->state == STATE_CONNECTING)
2608 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2610 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2612 return zoom_complete;
2616 c->mask = ZOOM_SELECT_EXCEPT;
2617 if (c->cs->io_pending & CS_WANT_WRITE)
2618 c->mask += ZOOM_SELECT_WRITE;
2619 if (c->cs->io_pending & CS_WANT_READ)
2620 c->mask += ZOOM_SELECT_READ;
2621 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2625 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2626 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2628 return zoom_pending;
2631 static zoom_ret do_write(ZOOM_connection c)
2633 return do_write_ex (c, c->buf_out, c->len_out);
2637 ZOOM_API(const char *)
2638 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2640 return ZOOM_options_get (c->options, key);
2644 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2647 ZOOM_options_set (c->options, key, val);
2650 ZOOM_API(const char *)
2651 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2653 return ZOOM_options_get (r->options, key);
2657 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2660 ZOOM_options_set (r->options, key, val);
2665 ZOOM_connection_errcode (ZOOM_connection c)
2667 return ZOOM_connection_error (c, 0, 0);
2670 ZOOM_API(const char *)
2671 ZOOM_connection_errmsg (ZOOM_connection c)
2674 ZOOM_connection_error (c, &msg, 0);
2678 ZOOM_API(const char *)
2679 ZOOM_connection_addinfo (ZOOM_connection c)
2681 const char *addinfo;
2682 ZOOM_connection_error (c, 0, &addinfo);
2686 ZOOM_API(const char *)
2687 ZOOM_diag_str (int error)
2691 case ZOOM_ERROR_NONE:
2693 case ZOOM_ERROR_CONNECT:
2694 return "Connect failed";
2695 case ZOOM_ERROR_MEMORY:
2696 return "Out of memory";
2697 case ZOOM_ERROR_ENCODE:
2698 return "Encoding failed";
2699 case ZOOM_ERROR_DECODE:
2700 return "Decoding failed";
2701 case ZOOM_ERROR_CONNECTION_LOST:
2702 return "Connection lost";
2703 case ZOOM_ERROR_INIT:
2704 return "Init rejected";
2705 case ZOOM_ERROR_INTERNAL:
2706 return "Internal failure";
2707 case ZOOM_ERROR_TIMEOUT:
2709 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2710 return "Unsupported protocol";
2711 case ZOOM_ERROR_UNSUPPORTED_QUERY:
2712 return "Unsupported query type";
2714 return diagbib1_str (error);
2719 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2720 const char **addinfo, const char **diagset)
2722 int error = c->error;
2725 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
2726 *cp = ZOOM_diag_str(error);
2727 else if (!strcmp(c->diagset, "HTTP"))
2728 *cp = z_HTTP_errmsg(c->error);
2729 else if (!strcmp(c->diagset, "Bib-1"))
2730 *cp = ZOOM_diag_str(error);
2731 else if (!strcmp(c->diagset, "SRW"))
2732 *cp = yaz_srw_error_str(c->error);
2734 *cp = "Unknown error and diagnostic set";
2737 *addinfo = c->addinfo ? c->addinfo : "";
2739 *diagset = c->diagset ? c->diagset : "";
2744 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2745 const char **addinfo)
2747 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2750 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2752 ZOOM_Event event = 0;
2753 int r = cs_look(c->cs);
2754 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2759 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2760 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2762 ZOOM_connection_put_event (c, event);
2764 else if (r == CS_CONNECT)
2767 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2769 ret = cs_rcvconnect (c->cs);
2770 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2773 c->mask = ZOOM_SELECT_EXCEPT;
2774 if (c->cs->io_pending & CS_WANT_WRITE)
2775 c->mask += ZOOM_SELECT_WRITE;
2776 if (c->cs->io_pending & CS_WANT_READ)
2777 c->mask += ZOOM_SELECT_READ;
2778 ZOOM_connection_put_event (c, event);
2782 ZOOM_connection_put_event (c, event);
2783 if (c->proto == PROTO_Z3950)
2784 ZOOM_connection_send_init(c);
2787 /* no init request for SRW .. */
2788 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2789 ZOOM_connection_remove_task (c);
2791 ZOOM_connection_exec_task (c);
2793 c->state = STATE_ESTABLISHED;
2797 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2799 ZOOM_connection_put_event (c, event);
2804 if (mask & ZOOM_SELECT_READ)
2806 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2813 ZOOM_connection_last_event(ZOOM_connection cs)
2816 return ZOOM_EVENT_NONE;
2817 return cs->last_event;
2821 ZOOM_event (int no, ZOOM_connection *cs)
2825 struct pollfd pollfds[1024];
2826 ZOOM_connection poll_cs[1024];
2829 fd_set input, output, except;
2834 for (i = 0; i<no; i++)
2836 ZOOM_connection c = cs[i];
2838 if (c && (event = ZOOM_connection_get_event(c)))
2840 ZOOM_Event_destroy (event);
2844 for (i = 0; i<no; i++)
2846 ZOOM_connection c = cs[i];
2848 if (c && ZOOM_connection_exec_task (c))
2850 if ((event = ZOOM_connection_get_event(c)))
2852 ZOOM_Event_destroy (event);
2865 for (i = 0; i<no; i++)
2867 ZOOM_connection c = cs[i];
2873 fd = z3950_connection_socket(c);
2874 mask = z3950_connection_mask(c);
2881 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
2882 if (this_timeout != -1 && this_timeout < timeout)
2883 timeout = this_timeout;
2887 short poll_events = 0;
2889 if (mask & ZOOM_SELECT_READ)
2890 poll_events += POLLIN;
2891 if (mask & ZOOM_SELECT_WRITE)
2892 poll_events += POLLOUT;
2893 if (mask & ZOOM_SELECT_EXCEPT)
2894 poll_events += POLLERR;
2895 pollfds[nfds].fd = fd;
2896 pollfds[nfds].events = poll_events;
2897 pollfds[nfds].revents = 0;
2902 if (mask & ZOOM_SELECT_READ)
2904 FD_SET (fd, &input);
2907 if (mask & ZOOM_SELECT_WRITE)
2909 FD_SET (fd, &output);
2912 if (mask & ZOOM_SELECT_EXCEPT)
2914 FD_SET (fd, &except);
2919 if (timeout >= 5000)
2926 r = poll (pollfds, nfds, timeout * 1000);
2927 for (i = 0; i<nfds; i++)
2929 ZOOM_connection c = poll_cs[i];
2933 if (pollfds[i].revents & POLLIN)
2934 mask += ZOOM_SELECT_READ;
2935 if (pollfds[i].revents & POLLOUT)
2936 mask += ZOOM_SELECT_WRITE;
2937 if (pollfds[i].revents & POLLERR)
2938 mask += ZOOM_SELECT_EXCEPT;
2940 ZOOM_connection_do_io(c, mask);
2942 else if (r == 0 && c->mask)
2944 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2945 /* timeout and this connection was waiting */
2946 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
2948 ZOOM_connection_put_event(c, event);
2952 tv.tv_sec = timeout;
2954 yaz_log (LOG_DEBUG, "select start");
2955 r = select (max_fd+1, &input, &output, &except, &tv);
2956 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
2957 for (i = 0; i<no; i++)
2959 ZOOM_connection c = cs[i];
2964 fd = z3950_connection_socket(c);
2968 /* no timeout and real socket */
2969 if (FD_ISSET(fd, &input))
2970 mask += ZOOM_SELECT_READ;
2971 if (FD_ISSET(fd, &output))
2972 mask += ZOOM_SELECT_WRITE;
2973 if (FD_ISSET(fd, &except))
2974 mask += ZOOM_SELECT_EXCEPT;
2976 ZOOM_connection_do_io(c, mask);
2978 if (r == 0 && c->mask)
2980 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2981 /* timeout and this connection was waiting */
2982 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
2984 yaz_log (LOG_DEBUG, "timeout");
2985 ZOOM_connection_put_event(c, event);
2989 for (i = 0; i<no; i++)
2991 ZOOM_connection c = cs[i];
2993 if (c && (event = ZOOM_connection_get_event(c)))
2995 ZOOM_Event_destroy (event);