2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.39 2003-07-14 12:59:23 adam Exp $
7 * ZOOM layer for C, connections, result sets, queries.
13 #include <yaz/yaz-util.h>
14 #include <yaz/xmalloc.h>
15 #include <yaz/otherinfo.h>
17 #include <yaz/pquery.h>
18 #include <yaz/marcdisp.h>
19 #include <yaz/diagbib1.h>
20 #include <yaz/charneg.h>
33 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c);
34 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out);
36 static ZOOM_Event ZOOM_Event_create (int kind)
38 ZOOM_Event event = (ZOOM_Event) xmalloc (sizeof(*event));
45 static void ZOOM_Event_destroy (ZOOM_Event event)
50 static void ZOOM_connection_put_event (ZOOM_connection c, ZOOM_Event event)
54 c->m_queue_back->prev = event;
55 assert (c->m_queue_front);
59 assert (!c->m_queue_front);
60 c->m_queue_front = event;
62 event->next = c->m_queue_back;
64 c->m_queue_back = event;
67 static ZOOM_Event ZOOM_connection_get_event(ZOOM_connection c)
69 ZOOM_Event event = c->m_queue_front;
72 c->last_event = ZOOM_EVENT_NONE;
75 assert (c->m_queue_back);
76 c->m_queue_front = event->prev;
79 assert (c->m_queue_back);
80 c->m_queue_front->next = 0;
84 c->last_event = event->kind;
89 static void set_dset_error (ZOOM_connection c, int error,
91 const char *addinfo, const char *addinfo2)
97 if (addinfo && addinfo2)
99 c->addinfo = xmalloc(strlen(addinfo) + strlen(addinfo2) + 2);
100 strcpy(c->addinfo, addinfo);
101 strcat(c->addinfo, addinfo2);
104 c->addinfo = xstrdup(addinfo);
106 yaz_log(LOG_DEBUG, "Error %s %s:%d %s %s",
107 c->host_port ? c->host_port : "<>", dset, error,
108 addinfo ? addinfo : "",
109 addinfo2 ? addinfo2 : "");
113 static void set_HTTP_error (ZOOM_connection c, int error,
114 const char *addinfo, const char *addinfo2)
116 set_dset_error(c, error, "HTTP", addinfo, addinfo2);
120 static void set_ZOOM_error (ZOOM_connection c, int error,
123 set_dset_error(c, error, "ZOOM", addinfo, 0);
126 static void clear_error (ZOOM_connection c)
131 case ZOOM_ERROR_CONNECT:
132 case ZOOM_ERROR_MEMORY:
133 case ZOOM_ERROR_DECODE:
134 case ZOOM_ERROR_CONNECTION_LOST:
135 case ZOOM_ERROR_INIT:
136 case ZOOM_ERROR_INTERNAL:
137 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
140 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
144 ZOOM_task ZOOM_connection_add_task (ZOOM_connection c, int which)
146 ZOOM_task *taskp = &c->tasks;
148 taskp = &(*taskp)->next;
149 *taskp = (ZOOM_task) xmalloc (sizeof(**taskp));
150 (*taskp)->running = 0;
151 (*taskp)->which = which;
157 ZOOM_task ZOOM_connection_insert_task (ZOOM_connection c, int which)
159 ZOOM_task task = (ZOOM_task) xmalloc (sizeof(*task));
161 task->next = c->tasks;
170 void ZOOM_connection_remove_task (ZOOM_connection c)
172 ZOOM_task task = c->tasks;
176 c->tasks = task->next;
179 case ZOOM_TASK_SEARCH:
181 ZOOM_resultset_destroy (task->u.search.resultset);
183 case ZOOM_TASK_RETRIEVE:
184 ZOOM_resultset_destroy (task->u.retrieve.resultset);
186 case ZOOM_TASK_CONNECT:
189 ZOOM_scanset_destroy (task->u.scan.scan);
191 case ZOOM_TASK_PACKAGE:
192 ZOOM_package_destroy (task->u.package);
201 static int ZOOM_connection_exec_task (ZOOM_connection c);
203 void ZOOM_connection_remove_tasks (ZOOM_connection c)
206 ZOOM_connection_remove_task(c);
209 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos);
211 ZOOM_API(ZOOM_connection)
212 ZOOM_connection_create (ZOOM_options options)
214 ZOOM_connection c = (ZOOM_connection) xmalloc (sizeof(*c));
216 c->proto = PROTO_Z3950;
220 c->state = STATE_IDLE;
222 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
229 c->options = ZOOM_options_create_with_parent(options);
235 c->charset = c->lang = 0;
242 c->odr_in = odr_createmem (ODR_DECODE);
243 c->odr_out = odr_createmem (ODR_ENCODE);
246 c->support_named_resultsets = 0;
247 c->last_event = ZOOM_EVENT_NONE;
249 c->m_queue_front = 0;
254 /* set database names. Take local databases (if set); otherwise
255 take databases given in ZURL (if set); otherwise use Default */
256 static char **set_DatabaseNames (ZOOM_connection con, ZOOM_options options,
259 char **databaseNames;
262 const char *cp = ZOOM_options_get (options, "databaseName");
266 if (strncmp (con->host_port, "unix:", 5) == 0)
267 cp = strchr (con->host_port+5, ':');
269 cp = strchr (con->host_port, '/');
276 while ((c = strchr(c, '+')))
284 databaseNames = (char**)
285 odr_malloc (con->odr_out, no * sizeof(*databaseNames));
289 c = strchr (cp, '+');
297 /* cp ptr to first char of db name, c is char
299 databaseNames[no] = (char*) odr_malloc (con->odr_out, 1+c-cp);
300 memcpy (databaseNames[no], cp, c-cp);
301 databaseNames[no++][c-cp] = '\0';
306 databaseNames[no] = NULL;
308 return databaseNames;
311 ZOOM_API(ZOOM_connection)
312 ZOOM_connection_new (const char *host, int portnum)
314 ZOOM_connection c = ZOOM_connection_create (0);
316 ZOOM_connection_connect (c, host, portnum);
321 ZOOM_connection_connect(ZOOM_connection c,
322 const char *host, int portnum)
329 yaz_log (LOG_DEBUG, "reconnect");
333 yaz_log(LOG_DEBUG, "connect");
335 val = ZOOM_options_get (c->options, "proxy");
337 c->proxy = xstrdup (val);
342 val = ZOOM_options_get (c->options, "charset");
344 c->charset = xstrdup (val);
349 val = ZOOM_options_get (c->options, "lang");
351 c->lang = xstrdup (val);
355 xfree (c->host_port);
359 sprintf (hostn, "%.80s:%d", host, portnum);
360 c->host_port = xstrdup(hostn);
363 c->host_port = xstrdup(host);
365 ZOOM_options_set(c->options, "host", c->host_port);
367 val = ZOOM_options_get (c->options, "cookie");
369 c->cookie_out = xstrdup (val);
371 val = ZOOM_options_get (c->options, "clientIP");
373 c->client_IP = xstrdup (val);
375 c->async = ZOOM_options_get_bool (c->options, "async", 0);
377 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
379 task = ZOOM_connection_add_task (c, ZOOM_TASK_CONNECT);
383 while (ZOOM_event (1, &c))
389 ZOOM_query_create(void)
391 ZOOM_query s = (ZOOM_query) xmalloc (sizeof(*s));
396 s->odr = odr_createmem (ODR_ENCODE);
403 ZOOM_query_destroy(ZOOM_query s)
409 yaz_log (LOG_DEBUG, "ZOOM_query_destroy count=%d", s->refcount);
410 if (s->refcount == 0)
412 odr_destroy (s->odr);
418 ZOOM_query_prefix(ZOOM_query s, const char *str)
420 s->query_string = odr_strdup(s->odr, str);
421 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
422 s->z_query->which = Z_Query_type_1;
423 s->z_query->u.type_1 = p_query_rpn(s->odr, PROTO_Z3950, str);
424 if (!s->z_query->u.type_1)
430 ZOOM_query_cql(ZOOM_query s, const char *str)
434 s->query_string = odr_strdup(s->odr, str);
436 ext = (Z_External *) odr_malloc(s->odr, sizeof(*ext));
437 ext->direct_reference = odr_getoidbystr(s->odr, "1.2.840.10003.16.2");
438 ext->indirect_reference = 0;
440 ext->which = Z_External_CQL;
441 ext->u.cql = s->query_string;
443 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
444 s->z_query->which = Z_Query_type_104;
445 s->z_query->u.type_104 = ext;
451 ZOOM_query_sortby(ZOOM_query s, const char *criteria)
453 s->sort_spec = yaz_sort_spec (s->odr, criteria);
459 static zoom_ret do_write(ZOOM_connection c);
462 ZOOM_connection_destroy(ZOOM_connection c)
469 for (r = c->resultsets; r; r = r->next)
474 odr_destroy (c->odr_in);
475 odr_destroy (c->odr_out);
476 ZOOM_options_destroy (c->options);
477 ZOOM_connection_remove_tasks (c);
478 xfree (c->host_port);
483 xfree (c->cookie_out);
484 xfree (c->cookie_in);
485 xfree (c->client_IP);
489 void ZOOM_resultset_addref (ZOOM_resultset r)
494 yaz_log (LOG_DEBUG, "ZOOM_resultset_addref r=%p count=%d",
498 ZOOM_resultset ZOOM_resultset_create ()
500 ZOOM_resultset r = (ZOOM_resultset) xmalloc (sizeof(*r));
502 yaz_log (LOG_DEBUG, "ZOOM_resultset_create r = %p", r);
505 r->odr = odr_createmem (ODR_ENCODE);
520 ZOOM_API(ZOOM_resultset)
521 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
524 ZOOM_query s = ZOOM_query_create();
526 ZOOM_query_prefix (s, q);
528 r = ZOOM_connection_search (c, s);
529 ZOOM_query_destroy (s);
533 ZOOM_API(ZOOM_resultset)
534 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
536 ZOOM_resultset r = ZOOM_resultset_create ();
540 r->r_sort_spec = q->sort_spec;
543 r->options = ZOOM_options_create_with_parent(c->options);
545 r->start = ZOOM_options_get_int(r->options, "start", 0);
546 r->count = ZOOM_options_get_int(r->options, "count", 0);
547 r->step = ZOOM_options_get_int(r->options, "step", 0);
548 r->piggyback = ZOOM_options_get_bool (r->options, "piggyback", 1);
549 cp = ZOOM_options_get (r->options, "setname");
551 r->setname = xstrdup(cp);
552 cp = ZOOM_options_get (r->options, "schema");
554 r->schema = xstrdup(cp);
558 r->next = c->resultsets;
561 if (c->host_port && c->proto == PROTO_HTTP)
565 yaz_log(LOG_DEBUG, "NO COMSTACK");
566 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
570 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
575 task = ZOOM_connection_add_task (c, ZOOM_TASK_SEARCH);
576 task->u.search.resultset = r;
577 ZOOM_resultset_addref (r);
583 while (ZOOM_event (1, &c))
590 ZOOM_resultset_destroy(ZOOM_resultset r)
595 yaz_log (LOG_DEBUG, "ZOOM_resultset_destroy r = %p count=%d",
597 if (r->refcount == 0)
599 ZOOM_record_cache rc;
601 for (rc = r->record_cache; rc; rc = rc->next)
603 if (rc->rec.wrbuf_marc)
604 wrbuf_free (rc->rec.wrbuf_marc, 1);
605 if (rc->rec.wrbuf_iconv)
606 wrbuf_free (rc->rec.wrbuf_iconv, 1);
607 if (rc->rec.wrbuf_opac)
608 wrbuf_free (rc->rec.wrbuf_opac, 1);
612 /* remove ourselves from the resultsets in connection */
613 ZOOM_resultset *rp = &r->connection->resultsets;
616 assert (*rp); /* we must be in this list!! */
618 { /* OK, we're here - take us out of it */
625 ZOOM_query_destroy (r->query);
626 ZOOM_options_destroy (r->options);
627 odr_destroy (r->odr);
635 ZOOM_resultset_size (ZOOM_resultset r)
640 static void do_close (ZOOM_connection c)
646 c->state = STATE_IDLE;
649 static void ZOOM_resultset_retrieve (ZOOM_resultset r,
650 int force_sync, int start, int count)
662 if (c->host_port && c->proto == PROTO_HTTP)
666 yaz_log(LOG_DEBUG, "NO COMSTACK");
667 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
671 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
675 task = ZOOM_connection_add_task (c, ZOOM_TASK_RETRIEVE);
676 task->u.retrieve.resultset = r;
677 task->u.retrieve.start = start;
678 task->u.retrieve.count = count;
680 cp = ZOOM_options_get (r->options, "schema");
683 if (!r->schema || strcmp(r->schema, cp))
686 r->schema = xstrdup(cp);
690 ZOOM_resultset_addref (r);
692 if (!r->connection->async || force_sync)
693 while (r->connection && ZOOM_event (1, &r->connection))
698 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
699 size_t start, size_t count)
701 int force_present = 0;
707 ZOOM_resultset_retrieve (r, force_present, start, count);
711 for (i = 0; i< count; i++)
712 recs[i] = ZOOM_resultset_record_immediate (r, i+start);
716 static zoom_ret do_connect (ZOOM_connection c)
719 const char *effective_host;
722 effective_host = c->proxy;
724 effective_host = c->host_port;
726 yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
729 c->cs = cs_create_host (effective_host, 0, &add);
731 if (c->cs && c->cs->protocol == PROTO_HTTP)
734 const char *path = 0;
736 c->proto = PROTO_HTTP;
737 cs_get_host_args(c->host_port, &path);
739 c->path = xmalloc(strlen(path)+2);
741 strcpy (c->path+1, path);
743 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
745 return zoom_complete;
750 int ret = cs_connect (c->cs, add);
753 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
754 ZOOM_connection_put_event(c, event);
755 if (c->proto == PROTO_Z3950)
756 ZOOM_connection_send_init(c);
759 /* no init request for SRW .. */
760 assert (c->tasks->which == ZOOM_TASK_CONNECT);
761 ZOOM_connection_remove_task (c);
763 ZOOM_connection_exec_task (c);
765 c->state = STATE_ESTABLISHED;
770 c->state = STATE_CONNECTING;
771 c->mask = ZOOM_SELECT_EXCEPT;
772 if (c->cs->io_pending & CS_WANT_WRITE)
773 c->mask += ZOOM_SELECT_WRITE;
774 if (c->cs->io_pending & CS_WANT_READ)
775 c->mask += ZOOM_SELECT_READ;
779 c->state = STATE_IDLE;
780 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
781 return zoom_complete;
784 int z3950_connection_socket(ZOOM_connection c)
787 return cs_fileno(c->cs);
791 int z3950_connection_mask(ZOOM_connection c)
798 static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
801 for (i = 0; i<200; i++)
804 Z_OtherInformation **oi;
810 sprintf (buf, "otherInfo%d", i);
811 val = ZOOM_options_get (c->options, buf);
814 cp = strchr (val, ':');
818 if (len >= sizeof(buf))
820 memcpy (buf, val, len);
822 oidval = oid_getvalbyname (buf);
823 if (oidval == VAL_NONE)
827 yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
831 static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
836 Z_OtherInformation **oi;
838 yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
842 Z_OtherInformation **oi;
844 yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
846 otherInfo_attach (c, a, out);
847 if (!z_APDU(out, &a, 0, 0))
849 FILE *outf = fopen("/tmp/apdu.txt", "a");
852 ODR odr_pr = odr_createmem(ODR_PRINT);
853 fprintf (outf, "a=%p\n", a);
854 odr_setprint(odr_pr, outf);
855 z_APDU(odr_pr, &a, 0, 0);
858 yaz_log (LOG_DEBUG, "encoding failed");
859 set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
867 static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
871 if (encode_APDU(c, a, c->odr_out))
872 return zoom_complete;
873 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
874 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
875 ZOOM_connection_put_event (c, event);
876 odr_reset(c->odr_out);
880 /* returns 1 if PDU was sent OK (still pending )
881 0 if PDU was not sent OK (nothing to wait for)
884 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
887 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
888 Z_InitRequest *ireq = apdu->u.initRequest;
889 Z_IdAuthentication *auth = (Z_IdAuthentication *)
890 odr_malloc(c->odr_out, sizeof(*auth));
891 const char *auth_groupId = ZOOM_options_get (c->options, "group");
892 const char *auth_userId = ZOOM_options_get (c->options, "user");
893 const char *auth_password = ZOOM_options_get (c->options, "pass");
895 ODR_MASK_SET(ireq->options, Z_Options_search);
896 ODR_MASK_SET(ireq->options, Z_Options_present);
897 ODR_MASK_SET(ireq->options, Z_Options_scan);
898 ODR_MASK_SET(ireq->options, Z_Options_sort);
899 ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
900 ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
902 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
903 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
904 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
906 impname = ZOOM_options_get (c->options, "implementationName");
907 ireq->implementationName =
908 (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
909 strcpy (ireq->implementationName, "");
912 strcat (ireq->implementationName, impname);
913 strcat (ireq->implementationName, "/");
915 strcat (ireq->implementationName, "ZOOM-C/YAZ");
917 *ireq->maximumRecordSize =
918 ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
919 *ireq->preferredMessageSize =
920 ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
922 if (auth_groupId || auth_password)
924 Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
927 if (auth_groupId && *auth_groupId)
929 pass->groupId = (char *)
930 odr_malloc(c->odr_out, strlen(auth_groupId)+1);
931 strcpy(pass->groupId, auth_groupId);
935 if (auth_userId && *auth_userId)
937 pass->userId = (char *)
938 odr_malloc(c->odr_out, strlen(auth_userId)+1);
939 strcpy(pass->userId, auth_userId);
943 if (auth_password && *auth_password)
945 pass->password = (char *)
946 odr_malloc(c->odr_out, strlen(auth_password)+1);
947 strcpy(pass->password, auth_password);
952 auth->which = Z_IdAuthentication_idPass;
953 auth->u.idPass = pass;
954 ireq->idAuthentication = auth;
957 else if (auth_userId)
959 auth->which = Z_IdAuthentication_open;
960 auth->u.open = (char *)
961 odr_malloc(c->odr_out, strlen(auth_userId)+1);
962 strcpy(auth->u.open, auth_userId);
963 ireq->idAuthentication = auth;
966 yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
967 VAL_PROXY, 1, c->host_port);
968 if (c->charset||c->lang)
970 Z_OtherInformation **oi;
971 Z_OtherInformationUnit *oi_unit;
973 yaz_oi_APDU(apdu, &oi);
975 if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
977 ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
979 oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
980 oi_unit->information.externallyDefinedInfo =
981 yaz_set_proposal_charneg
983 (const char **)&c->charset, (c->charset) ? 1:0,
984 (const char **)&c->lang, (c->lang) ? 1:0, 1);
988 return send_APDU (c, apdu);
992 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_PDU *sr)
995 Z_SOAP_Handler h[2] = {
996 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
999 ODR o = odr_createmem(ODR_ENCODE);
1001 Z_SOAP *p = odr_malloc(o, sizeof(*p));
1005 gdu = z_get_HTTP_Request(c->odr_out);
1006 gdu->u.HTTP_Request->path = c->path;
1010 const char *cp0 = strstr(c->host_port, "://");
1011 const char *cp1 = 0;
1017 cp1 = strchr(cp0, '/');
1019 cp1 = cp0+strlen(cp0);
1023 char *h = odr_malloc(c->odr_out, cp1 - cp0 + 1);
1024 memcpy (h, cp0, cp1 - cp0);
1026 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1031 strcpy(ctype, "text/xml");
1032 if (c->charset && strlen(c->charset) < 20)
1034 strcat(ctype, "; charset=");
1035 strcat(ctype, c->charset);
1037 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1038 "Content-Type", ctype);
1039 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1040 "SOAPAction", "\"\"");
1041 p->which = Z_SOAP_generic;
1042 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
1043 p->u.generic->no = 0;
1044 p->u.generic->ns = 0;
1045 p->u.generic->p = sr;
1046 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
1048 ret = z_soap_codec_enc(o, &p,
1049 &gdu->u.HTTP_Request->content_buf,
1050 &gdu->u.HTTP_Request->content_len, h,
1053 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1054 return zoom_complete;
1055 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1059 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1060 ZOOM_connection_put_event (c, event);
1061 odr_reset(c->odr_out);
1062 return do_write (c);
1067 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1070 ZOOM_resultset resultset = 0;
1072 const char *recordPacking = 0;
1074 if (c->error) /* don't continue on error */
1075 return zoom_complete;
1077 if (c->tasks->which == ZOOM_TASK_SEARCH)
1079 resultset = c->tasks->u.search.resultset;
1080 resultset->setname = xstrdup ("default");
1081 ZOOM_options_set (resultset->options, "setname", resultset->setname);
1083 else if(c->tasks->which == ZOOM_TASK_RETRIEVE)
1085 resultset = c->tasks->u.retrieve.resultset;
1087 resultset->start = c->tasks->u.retrieve.start;
1088 resultset->count = c->tasks->u.retrieve.count;
1090 if (resultset->start >= resultset->size)
1091 return zoom_complete;
1092 if (resultset->start + resultset->count > resultset->size)
1093 resultset->count = resultset->size - resultset->start;
1095 for (i = 0; i<resultset->count; i++)
1098 record_cache_lookup (resultset, i + resultset->start);
1102 if (i == resultset->count)
1103 return zoom_complete;
1105 assert(resultset->query);
1107 sr = yaz_srw_get(c->odr_out, Z_SRW_searchRetrieve_request);
1109 if (resultset->query->z_query->which == Z_Query_type_104
1110 && resultset->query->z_query->u.type_104->which == Z_External_CQL)
1113 sr->u.request->query_type = Z_SRW_query_type_cql;
1114 sr->u.request->query.cql =resultset->query->z_query->u.type_104->u.cql;
1116 else if (resultset->query->z_query->which == Z_Query_type_1 &&
1117 resultset->query->z_query->u.type_1)
1119 sr->u.request->query_type = Z_SRW_query_type_pqf;
1120 sr->u.request->query.pqf = resultset->query->query_string;
1124 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
1125 return zoom_complete;
1127 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
1128 sr->u.request->maximumRecords = odr_intdup (
1129 c->odr_out, resultset->step>0 ? resultset->step : resultset->count);
1130 sr->u.request->recordSchema = resultset->schema;
1132 recordPacking = ZOOM_resultset_option_get (resultset, "recordPacking");
1135 sr->u.request->recordPacking = odr_strdup(c->odr_out, recordPacking);
1137 return send_srw(c, sr);
1140 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1142 return zoom_complete;
1146 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
1149 int lslb, ssub, mspn;
1151 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
1152 Z_SearchRequest *search_req = apdu->u.searchRequest;
1153 const char *elementSetName;
1154 const char *smallSetElementSetName;
1155 const char *mediumSetElementSetName;
1158 assert (c->tasks->which == ZOOM_TASK_SEARCH);
1160 r = c->tasks->u.search.resultset;
1163 ZOOM_options_get (r->options, "elementSetName");
1164 smallSetElementSetName =
1165 ZOOM_options_get (r->options, "smallSetElementSetName");
1166 mediumSetElementSetName =
1167 ZOOM_options_get (r->options, "mediumSetElementSetName");
1169 if (!smallSetElementSetName)
1170 smallSetElementSetName = elementSetName;
1172 if (!mediumSetElementSetName)
1173 mediumSetElementSetName = elementSetName;
1178 /* prepare query for the search request */
1179 search_req->query = r->query->z_query;
1181 search_req->databaseNames =
1182 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1184 /* get syntax (no need to provide unless piggyback is in effect) */
1185 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1187 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1188 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1189 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1190 if (lslb != -1 && ssub != -1 && mspn != -1)
1192 /* So're a Z39.50 expert? Let's hope you don't do sort */
1193 *search_req->largeSetLowerBound = lslb;
1194 *search_req->smallSetUpperBound = ssub;
1195 *search_req->mediumSetPresentNumber = mspn;
1197 else if (r->start == 0 && r->count > 0
1198 && r->piggyback && !r->r_sort_spec && !r->schema)
1200 /* Regular piggyback - do it unless we're going to do sort */
1201 *search_req->largeSetLowerBound = 2000000000;
1202 *search_req->smallSetUpperBound = 0;
1203 *search_req->mediumSetPresentNumber = r->step>0 ? r->step : r->count;
1207 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1208 smallSetElementSetName = 0;
1209 mediumSetElementSetName = 0;
1212 if (smallSetElementSetName && *smallSetElementSetName)
1214 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1215 odr_malloc (c->odr_out, sizeof(*esn));
1217 esn->which = Z_ElementSetNames_generic;
1218 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1219 search_req->smallSetElementSetNames = esn;
1221 if (mediumSetElementSetName && *mediumSetElementSetName)
1223 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1224 odr_malloc (c->odr_out, sizeof(*esn));
1226 esn->which = Z_ElementSetNames_generic;
1227 esn->u.generic = odr_strdup (c->odr_out, mediumSetElementSetName);
1228 search_req->mediumSetElementSetNames = esn;
1231 search_req->preferredRecordSyntax =
1232 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1236 if (c->support_named_resultsets)
1240 /* find the lowest unused ordinal so that we re-use
1241 result sets on the server. */
1242 for (ord = 1; ; ord++)
1245 sprintf (setname, "%d", ord);
1246 for (rp = c->resultsets; rp; rp = rp->next)
1247 if (rp->setname && !strcmp (rp->setname, setname))
1252 r->setname = xstrdup (setname);
1253 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1256 r->setname = xstrdup ("default");
1257 ZOOM_options_set (r->options, "setname", r->setname);
1259 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1260 /* send search request */
1261 return send_APDU (c, apdu);
1264 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1267 Z_DefaultDiagFormat *r;
1272 if (p->which != Z_DiagRec_defaultFormat)
1274 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1277 r = p->u.defaultFormat;
1280 case Z_DefaultDiagFormat_v2Addinfo:
1281 addinfo = r->u.v2Addinfo;
1283 case Z_DefaultDiagFormat_v3Addinfo:
1284 addinfo = r->u.v3Addinfo;
1287 set_dset_error(c, *r->condition,
1288 yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
1292 ZOOM_API(ZOOM_record)
1293 ZOOM_record_clone (ZOOM_record srec)
1300 odr_enc = odr_createmem(ODR_ENCODE);
1301 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1303 buf = odr_getbuf (odr_enc, &size, 0);
1305 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1306 nrec->odr = odr_createmem(ODR_DECODE);
1307 nrec->wrbuf_marc = 0;
1308 nrec->wrbuf_iconv = 0;
1309 nrec->wrbuf_opac = 0;
1310 odr_setbuf (nrec->odr, buf, size, 0);
1311 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1313 odr_destroy (odr_enc);
1317 ZOOM_API(ZOOM_record)
1318 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1320 return record_cache_lookup (s, pos);
1323 ZOOM_API(ZOOM_record)
1324 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1326 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1330 ZOOM_resultset_retrieve (r, 1, pos, 1);
1331 rec = ZOOM_resultset_record_immediate (r, pos);
1337 ZOOM_record_destroy (ZOOM_record rec)
1341 if (rec->wrbuf_marc)
1342 wrbuf_free (rec->wrbuf_marc, 1);
1343 if (rec->wrbuf_iconv)
1344 wrbuf_free (rec->wrbuf_iconv, 1);
1345 if (rec->wrbuf_opac)
1346 wrbuf_free (rec->wrbuf_opac, 1);
1347 odr_destroy (rec->odr);
1351 static const char *record_iconv_return(ZOOM_record rec, int *len,
1352 const char *buf, int sz,
1353 const char *record_charset)
1360 strcpy(to, "UTF-8");
1361 if (record_charset && *record_charset)
1363 /* Use "from,to" or just "from" */
1364 const char *cp =strchr(record_charset, ',');
1365 int clen = strlen(record_charset);
1368 strncpy( to, cp+1, sizeof(to)-1);
1369 to[sizeof(to)-1] = '\0';
1370 clen = cp - record_charset;
1372 if (clen > sizeof(from)-1)
1373 clen = sizeof(from)-1;
1376 strncpy(from, record_charset, clen);
1380 if (*from && *to && (cd = yaz_iconv_open(to, from)))
1383 size_t inbytesleft = sz;
1384 const char *inp = buf;
1386 if (!rec->wrbuf_iconv)
1387 rec->wrbuf_iconv = wrbuf_alloc();
1389 wrbuf_rewind(rec->wrbuf_iconv);
1393 size_t outbytesleft = sizeof(outbuf);
1394 char *outp = outbuf;
1395 size_t r = yaz_iconv (cd, (char**) &inp,
1397 &outp, &outbytesleft);
1398 if (r == (size_t) (-1))
1400 int e = yaz_iconv_error(cd);
1401 if (e != YAZ_ICONV_E2BIG)
1404 wrbuf_write(rec->wrbuf_iconv, outbuf, outp - outbuf);
1406 wrbuf_puts(rec->wrbuf_iconv, "");
1407 buf = wrbuf_buf(rec->wrbuf_iconv);
1408 sz = wrbuf_len(rec->wrbuf_iconv);
1409 yaz_iconv_close(cd);
1416 ZOOM_API(const char *)
1417 ZOOM_record_get (ZOOM_record rec, const char *type_spec, int *len)
1423 Z_NamePlusRecord *npr;
1426 *len = 0; /* default return */
1435 for (i = 0; cp[i] && i < sizeof(type)-1; i++)
1437 if (cp[i] == ';' || cp[i] == ' ')
1443 if (type_spec[i] == ';')
1446 while (type_spec[i] == ' ')
1448 if (!strncmp(type_spec+i, "charset=", 8))
1451 for (i = 0; cp[i] && i < sizeof(charset)-1; i++)
1453 if (cp[i] == ';' || cp[i] == ' ')
1461 if (!strcmp (type, "database"))
1464 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1465 return npr->databaseName;
1467 else if (!strcmp (type, "syntax"))
1469 const char *desc = 0;
1470 if (npr->which == Z_NamePlusRecord_databaseRecord)
1472 Z_External *r = (Z_External *) npr->u.databaseRecord;
1473 oident *ent = oid_getentbyoid(r->direct_reference);
1480 *len = strlen(desc);
1483 else if (!strcmp (type, "render") &&
1484 npr->which == Z_NamePlusRecord_databaseRecord)
1486 Z_External *r = (Z_External *) npr->u.databaseRecord;
1487 oident *ent = oid_getentbyoid(r->direct_reference);
1489 /* render bibliographic record .. */
1490 if (r->which == Z_External_OPAC)
1492 r = r->u.opac->bibliographicRecord;
1495 ent = oid_getentbyoid(r->direct_reference);
1497 if (r->which == Z_External_sutrs)
1498 return record_iconv_return(rec, len,
1499 r->u.sutrs->buf, r->u.sutrs->len,
1501 else if (r->which == Z_External_octet)
1511 case VAL_APPLICATION_XML:
1514 if (!rec->wrbuf_marc)
1515 rec->wrbuf_marc = wrbuf_alloc();
1517 mt = yaz_marc_create();
1518 wrbuf_rewind (rec->wrbuf_marc);
1519 if (yaz_marc_decode_wrbuf (
1520 mt, (const char *) r->u.octet_aligned->buf,
1521 r->u.octet_aligned->len,
1522 rec->wrbuf_marc) > 0)
1524 yaz_marc_destroy(mt);
1525 return record_iconv_return(rec, len,
1526 wrbuf_buf(rec->wrbuf_marc),
1527 wrbuf_len(rec->wrbuf_marc),
1530 yaz_marc_destroy(mt);
1532 return record_iconv_return(rec, len,
1533 (const char *) r->u.octet_aligned->buf,
1534 r->u.octet_aligned->len,
1537 else if (r->which == Z_External_grs1)
1539 if (!rec->wrbuf_marc)
1540 rec->wrbuf_marc = wrbuf_alloc();
1541 wrbuf_rewind (rec->wrbuf_marc);
1542 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1543 return record_iconv_return(rec, len,
1544 wrbuf_buf(rec->wrbuf_marc),
1545 wrbuf_len(rec->wrbuf_marc),
1550 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1551 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1553 Z_External *r = (Z_External *) npr->u.databaseRecord;
1554 oident *ent = oid_getentbyoid(r->direct_reference);
1556 /* render bibliographic record .. */
1557 if (r->which == Z_External_OPAC)
1559 r = r->u.opac->bibliographicRecord;
1562 ent = oid_getentbyoid(r->direct_reference);
1565 if (r->which == Z_External_sutrs)
1566 return record_iconv_return(rec, len,
1567 (const char *) r->u.sutrs->buf,
1570 else if (r->which == Z_External_octet)
1573 int marc_decode_type = YAZ_MARC_MARCXML;
1575 if (!strcmp(type, "oai"))
1576 marc_decode_type = YAZ_MARC_OAIMARC;
1584 case VAL_APPLICATION_XML:
1587 if (!rec->wrbuf_marc)
1588 rec->wrbuf_marc = wrbuf_alloc();
1589 wrbuf_rewind (rec->wrbuf_marc);
1590 mt = yaz_marc_create();
1592 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1593 if (yaz_marc_decode_wrbuf (
1594 mt, (const char *) r->u.octet_aligned->buf,
1595 r->u.octet_aligned->len,
1596 rec->wrbuf_marc) > 0)
1598 yaz_marc_destroy(mt);
1599 return record_iconv_return(rec, len,
1600 wrbuf_buf(rec->wrbuf_marc),
1601 wrbuf_len(rec->wrbuf_marc),
1604 yaz_marc_destroy(mt);
1606 return record_iconv_return(rec, len,
1607 (const char *) r->u.octet_aligned->buf,
1608 r->u.octet_aligned->len,
1611 else if (r->which == Z_External_grs1)
1618 else if (!strcmp (type, "raw"))
1620 if (npr->which == Z_NamePlusRecord_databaseRecord)
1622 Z_External *r = (Z_External *) npr->u.databaseRecord;
1624 if (r->which == Z_External_sutrs)
1626 if (len) *len = r->u.sutrs->len;
1627 return (const char *) r->u.sutrs->buf;
1629 else if (r->which == Z_External_octet)
1631 if (len) *len = r->u.octet_aligned->len;
1632 return (const char *) r->u.octet_aligned->buf;
1634 else /* grs-1, explain, OPAC, ... */
1637 return (const char *) npr->u.databaseRecord;
1642 else if (!strcmp (type, "ext"))
1644 if (npr->which == Z_NamePlusRecord_databaseRecord)
1645 return (const char *) npr->u.databaseRecord;
1648 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1649 !strcmp (type, "opac"))
1652 Z_External *r = (Z_External *) npr->u.databaseRecord;
1653 if (r->which == Z_External_OPAC)
1655 if (!rec->wrbuf_opac)
1656 rec->wrbuf_opac = wrbuf_alloc();
1657 wrbuf_rewind (rec->wrbuf_opac);
1658 yaz_display_OPAC(rec->wrbuf_opac, r->u.opac, 0);
1659 return record_iconv_return(rec, len,
1660 wrbuf_buf(rec->wrbuf_opac),
1661 wrbuf_len(rec->wrbuf_opac),
1668 static int strcmp_null(const char *v1, const char *v2)
1674 return strcmp(v1, v2);
1677 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr,
1680 ZOOM_record_cache rc;
1681 const char *elementSetName =
1682 ZOOM_resultset_option_get (r, "elementSetName");
1683 const char *syntax =
1684 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1686 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
1687 ZOOM_connection_put_event(r->connection, event);
1689 for (rc = r->record_cache; rc; rc = rc->next)
1693 if (strcmp_null(r->schema, rc->schema))
1695 if (strcmp_null(elementSetName,rc->elementSetName))
1697 if (strcmp_null(syntax, rc->syntax))
1699 /* not destroying rc->npr (it's handled by nmem )*/
1701 /* keeping wrbuf_marc too */
1705 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1708 rc->rec.wrbuf_marc = 0;
1709 rc->rec.wrbuf_iconv = 0;
1710 rc->rec.wrbuf_opac = 0;
1712 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1714 rc->elementSetName = 0;
1717 rc->syntax = odr_strdup (r->odr, syntax);
1722 rc->schema = odr_strdup (r->odr, r->schema);
1727 rc->next = r->record_cache;
1728 r->record_cache = rc;
1731 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1733 ZOOM_record_cache rc;
1734 const char *elementSetName =
1735 ZOOM_resultset_option_get (r, "elementSetName");
1736 const char *syntax =
1737 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1739 for (rc = r->record_cache; rc; rc = rc->next)
1743 if (strcmp_null(r->schema, rc->schema))
1745 if (strcmp_null(elementSetName,rc->elementSetName))
1747 if (strcmp_null(syntax, rc->syntax))
1755 static void handle_records (ZOOM_connection c, Z_Records *sr,
1758 ZOOM_resultset resultset;
1762 switch (c->tasks->which)
1764 case ZOOM_TASK_SEARCH:
1765 resultset = c->tasks->u.search.resultset;
1767 case ZOOM_TASK_RETRIEVE:
1768 resultset = c->tasks->u.retrieve.resultset;
1773 if (sr && sr->which == Z_Records_NSD)
1775 Z_DiagRec dr, *dr_p = &dr;
1776 dr.which = Z_DiagRec_defaultFormat;
1777 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1779 response_diag (c, dr_p);
1781 else if (sr && sr->which == Z_Records_multipleNSD)
1783 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1784 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1786 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1790 if (resultset->count + resultset->start > resultset->size)
1791 resultset->count = resultset->size - resultset->start;
1792 if (resultset->count < 0)
1793 resultset->count = 0;
1794 if (sr && sr->which == Z_Records_DBOSD)
1797 NMEM nmem = odr_extract_mem (c->odr_in);
1798 Z_NamePlusRecordList *p =
1799 sr->u.databaseOrSurDiagnostics;
1800 for (i = 0; i<p->num_records; i++)
1802 record_cache_add (resultset, p->records[i],
1803 i+ resultset->start);
1805 /* transfer our response to search_nmem .. we need it later */
1806 nmem_transfer (resultset->odr->mem, nmem);
1807 nmem_destroy (nmem);
1808 if (present_phase && p->num_records == 0)
1810 /* present response and we didn't get any records! */
1811 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1814 else if (present_phase)
1816 /* present response and we didn't get any records! */
1817 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1822 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1824 handle_records (c, pr->records, 1);
1827 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1829 ZOOM_resultset resultset;
1832 yaz_log (LOG_DEBUG, "got search response");
1834 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1837 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
1838 ZOOM_connection_put_event(c, event);
1840 resultset = c->tasks->u.search.resultset;
1842 resultset->size = *sr->resultCount;
1843 handle_records (c, sr->records, 0);
1846 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1848 if (res->diagnostics && res->num_diagnostics > 0)
1849 response_diag (c, res->diagnostics[0]);
1852 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1854 NMEM nmem = odr_extract_mem (c->odr_in);
1857 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1859 scan = c->tasks->u.scan.scan;
1861 if (res->entries && res->entries->nonsurrogateDiagnostics)
1862 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1863 scan->scan_response = res;
1864 nmem_transfer (scan->odr->mem, nmem);
1866 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1867 if (res->positionOfTerm)
1868 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1869 if (res->scanStatus)
1870 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1871 if (res->numberOfEntriesReturned)
1872 ZOOM_options_set_int (scan->options, "number",
1873 *res->numberOfEntriesReturned);
1874 nmem_destroy (nmem);
1878 static zoom_ret send_sort (ZOOM_connection c)
1880 ZOOM_resultset resultset;
1882 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1883 return zoom_complete;
1885 resultset = c->tasks->u.search.resultset;
1889 resultset->r_sort_spec = 0;
1890 return zoom_complete;
1892 if (resultset->r_sort_spec)
1894 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1895 Z_SortRequest *req = apdu->u.sortRequest;
1897 req->num_inputResultSetNames = 1;
1898 req->inputResultSetNames = (Z_InternationalString **)
1899 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1900 req->inputResultSetNames[0] =
1901 odr_strdup (c->odr_out, resultset->setname);
1902 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1903 req->sortSequence = resultset->r_sort_spec;
1904 resultset->r_sort_spec = 0;
1905 return send_APDU (c, apdu);
1907 return zoom_complete;
1910 static zoom_ret send_present (ZOOM_connection c)
1913 Z_PresentRequest *req = 0;
1915 const char *syntax = 0;
1916 const char *elementSetName = 0;
1917 ZOOM_resultset resultset;
1920 return zoom_complete;
1922 switch (c->tasks->which)
1924 case ZOOM_TASK_SEARCH:
1925 resultset = c->tasks->u.search.resultset;
1927 case ZOOM_TASK_RETRIEVE:
1928 resultset = c->tasks->u.retrieve.resultset;
1929 resultset->start = c->tasks->u.retrieve.start;
1930 resultset->count = c->tasks->u.retrieve.count;
1932 if (resultset->start >= resultset->size)
1933 return zoom_complete;
1934 if (resultset->start + resultset->count > resultset->size)
1935 resultset->count = resultset->size - resultset->start;
1938 return zoom_complete;
1941 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1942 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1944 if (c->error) /* don't continue on error */
1945 return zoom_complete;
1946 if (resultset->start < 0)
1947 return zoom_complete;
1948 for (i = 0; i<resultset->count; i++)
1951 record_cache_lookup (resultset, i + resultset->start);
1955 if (i == resultset->count)
1956 return zoom_complete;
1958 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1959 req = apdu->u.presentRequest;
1961 resultset->start += i;
1962 resultset->count -= i;
1963 *req->resultSetStartPoint = resultset->start + 1;
1964 *req->numberOfRecordsRequested = resultset->step>0 ?
1965 resultset->step : resultset->count;
1966 assert (*req->numberOfRecordsRequested > 0);
1968 if (syntax && *syntax)
1969 req->preferredRecordSyntax =
1970 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1972 if (resultset->schema && *resultset->schema)
1974 Z_RecordComposition *compo = (Z_RecordComposition *)
1975 odr_malloc (c->odr_out, sizeof(*compo));
1977 req->recordComposition = compo;
1978 compo->which = Z_RecordComp_complex;
1979 compo->u.complex = (Z_CompSpec *)
1980 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1981 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1982 odr_malloc(c->odr_out, sizeof(bool_t));
1983 *compo->u.complex->selectAlternativeSyntax = 0;
1985 compo->u.complex->generic = (Z_Specification *)
1986 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1988 compo->u.complex->generic->which = Z_Schema_oid;
1989 compo->u.complex->generic->schema.oid = (Odr_oid *)
1990 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, resultset->schema);
1992 if (!compo->u.complex->generic->schema.oid)
1994 /* OID wasn't a schema! Try record syntax instead. */
1996 compo->u.complex->generic->schema.oid = (Odr_oid *)
1997 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
1999 if (elementSetName && *elementSetName)
2001 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
2002 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
2003 compo->u.complex->generic->elementSpec->which =
2004 Z_ElementSpec_elementSetName;
2005 compo->u.complex->generic->elementSpec->u.elementSetName =
2006 odr_strdup (c->odr_out, elementSetName);
2009 compo->u.complex->generic->elementSpec = 0;
2010 compo->u.complex->num_dbSpecific = 0;
2011 compo->u.complex->dbSpecific = 0;
2012 compo->u.complex->num_recordSyntax = 0;
2013 compo->u.complex->recordSyntax = 0;
2015 else if (elementSetName && *elementSetName)
2017 Z_ElementSetNames *esn = (Z_ElementSetNames *)
2018 odr_malloc (c->odr_out, sizeof(*esn));
2019 Z_RecordComposition *compo = (Z_RecordComposition *)
2020 odr_malloc (c->odr_out, sizeof(*compo));
2022 esn->which = Z_ElementSetNames_generic;
2023 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
2024 compo->which = Z_RecordComp_simple;
2025 compo->u.simple = esn;
2026 req->recordComposition = compo;
2028 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
2029 return send_APDU (c, apdu);
2032 ZOOM_API(ZOOM_scanset)
2033 ZOOM_connection_scan (ZOOM_connection c, const char *start)
2035 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
2037 scan->connection = c;
2038 scan->odr = odr_createmem (ODR_DECODE);
2039 scan->options = ZOOM_options_create_with_parent (c->options);
2041 scan->scan_response = 0;
2043 if ((scan->termListAndStartPoint =
2044 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
2047 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
2048 task->u.scan.scan = scan;
2053 while (ZOOM_event (1, &c))
2061 ZOOM_scanset_destroy (ZOOM_scanset scan)
2066 if (scan->refcount == 0)
2068 odr_destroy (scan->odr);
2070 ZOOM_options_destroy (scan->options);
2075 static zoom_ret send_package (ZOOM_connection c)
2079 return zoom_complete;
2080 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
2082 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
2083 ZOOM_connection_put_event (c, event);
2085 return do_write_ex (c, c->tasks->u.package->buf_out,
2086 c->tasks->u.package->len_out);
2089 static zoom_ret send_scan (ZOOM_connection c)
2092 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
2093 Z_ScanRequest *req = apdu->u.scanRequest;
2095 return zoom_complete;
2096 assert (c->tasks->which == ZOOM_TASK_SCAN);
2097 scan = c->tasks->u.scan.scan;
2099 req->termListAndStartPoint = scan->termListAndStartPoint;
2100 req->attributeSet = scan->attributeSet;
2102 *req->numberOfTermsRequested =
2103 ZOOM_options_get_int(scan->options, "number", 10);
2105 req->preferredPositionInResponse =
2106 odr_intdup (c->odr_out,
2107 ZOOM_options_get_int(scan->options, "position", 1));
2110 odr_intdup (c->odr_out,
2111 ZOOM_options_get_int(scan->options, "stepSize", 0));
2113 req->databaseNames = set_DatabaseNames (c, scan->options,
2114 &req->num_databaseNames);
2116 return send_APDU (c, apdu);
2120 ZOOM_scanset_size (ZOOM_scanset scan)
2122 if (!scan || !scan->scan_response || !scan->scan_response->entries)
2124 return scan->scan_response->entries->num_entries;
2127 ZOOM_API(const char *)
2128 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
2131 const char *term = 0;
2132 size_t noent = ZOOM_scanset_size (scan);
2133 Z_ScanResponse *res = scan->scan_response;
2139 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
2141 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
2143 if (t->term->which == Z_Term_general)
2145 term = (const char *) t->term->u.general->buf;
2146 *len = t->term->u.general->len;
2148 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
2153 ZOOM_API(const char *)
2154 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
2156 return ZOOM_options_get (scan->options, key);
2160 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
2163 ZOOM_options_set (scan->options, key, val);
2166 static Z_APDU *create_es_package (ZOOM_package p, int type)
2169 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
2170 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
2172 *req->function = Z_ExtendedServicesRequest_create;
2174 str = ZOOM_options_get(p->options, "package-name");
2176 req->packageName = nmem_strdup (p->odr_out->mem, str);
2178 str = ZOOM_options_get(p->options, "user-id");
2180 req->userId = nmem_strdup (p->odr_out->mem, str);
2182 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2185 str = ZOOM_options_get(p->options, "function");
2188 if (!strcmp (str, "create"))
2190 if (!strcmp (str, "delete"))
2192 if (!strcmp (str, "modify"))
2198 static const char *ill_array_lookup (void *clientData, const char *idx)
2200 ZOOM_package p = (ZOOM_package) clientData;
2201 return ZOOM_options_get (p->options, idx+4);
2204 static Z_External *encode_ill_request (ZOOM_package p)
2206 ODR out = p->odr_out;
2209 struct ill_get_ctl ctl;
2211 ctl.odr = p->odr_out;
2213 ctl.f = ill_array_lookup;
2215 req = ill_get_ILLRequest(&ctl, "ill", 0);
2217 if (!ill_Request (out, &req, 0, 0))
2219 int ill_request_size;
2220 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
2221 if (ill_request_buf)
2222 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
2228 int illRequest_size = 0;
2229 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
2231 oid.proto = PROTO_GENERAL;
2232 oid.oclass = CLASS_GENERAL;
2233 oid.value = VAL_ISO_ILL_1;
2235 r = (Z_External *) odr_malloc (out, sizeof(*r));
2236 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
2237 r->indirect_reference = 0;
2239 r->which = Z_External_single;
2241 r->u.single_ASN1_type = (Odr_oct *)
2242 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
2243 r->u.single_ASN1_type->buf = (unsigned char*)
2244 odr_malloc (out, illRequest_size);
2245 r->u.single_ASN1_type->len = illRequest_size;
2246 r->u.single_ASN1_type->size = illRequest_size;
2247 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
2252 static Z_ItemOrder *encode_item_order(ZOOM_package p)
2254 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
2257 req->which=Z_IOItemOrder_esRequest;
2258 req->u.esRequest = (Z_IORequest *)
2259 odr_malloc(p->odr_out,sizeof(Z_IORequest));
2261 /* to keep part ... */
2262 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
2263 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
2264 req->u.esRequest->toKeep->supplDescription = 0;
2265 req->u.esRequest->toKeep->contact = (Z_IOContact *)
2266 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
2268 str = ZOOM_options_get(p->options, "contact-name");
2269 req->u.esRequest->toKeep->contact->name = str ?
2270 nmem_strdup (p->odr_out->mem, str) : 0;
2272 str = ZOOM_options_get(p->options, "contact-phone");
2273 req->u.esRequest->toKeep->contact->phone = str ?
2274 nmem_strdup (p->odr_out->mem, str) : 0;
2276 str = ZOOM_options_get(p->options, "contact-email");
2277 req->u.esRequest->toKeep->contact->email = str ?
2278 nmem_strdup (p->odr_out->mem, str) : 0;
2280 req->u.esRequest->toKeep->addlBilling = 0;
2282 /* not to keep part ... */
2283 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
2284 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
2286 str = ZOOM_options_get(p->options, "itemorder-setname");
2291 req->u.esRequest->notToKeep->resultSetItem = 0;
2294 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
2295 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
2297 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
2298 nmem_strdup (p->odr_out->mem, str);
2299 req->u.esRequest->notToKeep->resultSetItem->item =
2300 (int *) odr_malloc(p->odr_out, sizeof(int));
2302 str = ZOOM_options_get(p->options, "itemorder-item");
2303 *req->u.esRequest->notToKeep->resultSetItem->item =
2304 (str ? atoi(str) : 1);
2306 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
2312 ZOOM_package_send (ZOOM_package p, const char *type)
2319 odr_reset (p->odr_out);
2322 if (!strcmp(type, "itemorder"))
2325 apdu = create_es_package (p, VAL_ITEMORDER);
2328 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2330 r->direct_reference =
2331 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2334 r->which = Z_External_itemOrder;
2335 r->indirect_reference = 0;
2336 r->u.itemOrder = encode_item_order (p);
2338 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2343 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2347 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2348 task->u.package = p;
2349 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2350 p->buf_out = (char *) xmalloc (p->len_out);
2351 memcpy (p->buf_out, buf, p->len_out);
2356 while (ZOOM_event (1, &c))
2363 ZOOM_API(ZOOM_package)
2364 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2366 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2369 p->odr_out = odr_createmem (ODR_ENCODE);
2370 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2378 ZOOM_package_destroy(ZOOM_package p)
2383 if (p->refcount == 0)
2385 odr_destroy (p->odr_out);
2388 ZOOM_options_destroy (p->options);
2393 ZOOM_API(const char *)
2394 ZOOM_package_option_get (ZOOM_package p, const char *key)
2396 return ZOOM_options_get (p->options, key);
2401 ZOOM_package_option_set (ZOOM_package p, const char *key,
2404 ZOOM_options_set (p->options, key, val);
2407 static int ZOOM_connection_exec_task (ZOOM_connection c)
2409 ZOOM_task task = c->tasks;
2410 zoom_ret ret = zoom_complete;
2414 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2417 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2418 task->which, task->running);
2419 if (c->error != ZOOM_ERROR_NONE)
2421 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2422 ZOOM_connection_remove_tasks (c);
2427 yaz_log (LOG_DEBUG, "task already running");
2431 ret = zoom_complete;
2432 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2434 switch (task->which)
2436 case ZOOM_TASK_SEARCH:
2437 if (c->proto == PROTO_HTTP)
2438 ret = ZOOM_connection_srw_send_search(c);
2440 ret = ZOOM_connection_send_search(c);
2442 case ZOOM_TASK_RETRIEVE:
2443 if (c->proto == PROTO_HTTP)
2444 ret = ZOOM_connection_srw_send_search(c);
2446 ret = send_present (c);
2448 case ZOOM_TASK_CONNECT:
2449 ret = do_connect(c);
2451 case ZOOM_TASK_SCAN:
2454 case ZOOM_TASK_PACKAGE:
2455 ret = send_package(c);
2461 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2462 ZOOM_connection_remove_tasks (c);
2464 if (ret == zoom_complete)
2466 yaz_log (LOG_DEBUG, "task removed (complete)");
2467 ZOOM_connection_remove_task (c);
2470 yaz_log (LOG_DEBUG, "task pending");
2474 static zoom_ret send_sort_present (ZOOM_connection c)
2476 zoom_ret r = send_sort (c);
2477 if (r == zoom_complete)
2478 r = send_present (c);
2482 static int es_response (ZOOM_connection c,
2483 Z_ExtendedServicesResponse *res)
2485 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2487 if (res->diagnostics && res->num_diagnostics > 0)
2488 response_diag(c, res->diagnostics[0]);
2489 if (res->taskPackage &&
2490 res->taskPackage->which == Z_External_extendedService)
2492 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2493 Odr_oct *id = taskPackage->targetReference;
2496 ZOOM_options_setl (c->tasks->u.package->options,
2497 "targetReference", (char*) id->buf, id->len);
2503 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2505 Z_InitResponse *initrs;
2508 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2511 case Z_APDU_initResponse:
2512 initrs = apdu->u.initResponse;
2513 ZOOM_connection_option_set(c, "targetImplementationId",
2514 initrs->implementationId ?
2515 initrs->implementationId : "");
2516 ZOOM_connection_option_set(c, "targetImplementationName",
2517 initrs->implementationName ?
2518 initrs->implementationName : "");
2519 ZOOM_connection_option_set(c, "targetImplementationVersion",
2520 initrs->implementationVersion ?
2521 initrs->implementationVersion : "");
2522 if (!*initrs->result)
2524 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2529 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2531 xfree (c->cookie_in);
2534 c->cookie_in = xstrdup(cookie);
2535 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2536 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2537 c->support_named_resultsets = 1;
2540 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2541 ZOOM_connection_remove_task (c);
2543 ZOOM_connection_exec_task (c);
2545 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2547 NMEM tmpmem = nmem_create();
2548 Z_CharSetandLanguageNegotiation *p =
2549 yaz_get_charneg_record(initrs->otherInfo);
2553 char *charset=NULL, *lang=NULL;
2556 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2557 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2558 "language %s, select %d",
2559 charset ? charset : "none", lang ? lang : "none", sel);
2561 ZOOM_connection_option_set (c, "negotiation-charset",
2564 ZOOM_connection_option_set (c, "negotiation-lang",
2566 nmem_destroy(tmpmem);
2570 case Z_APDU_searchResponse:
2571 handle_search_response (c, apdu->u.searchResponse);
2572 if (send_sort_present (c) == zoom_complete)
2573 ZOOM_connection_remove_task (c);
2575 case Z_APDU_presentResponse:
2576 handle_present_response (c, apdu->u.presentResponse);
2577 if (send_present (c) == zoom_complete)
2578 ZOOM_connection_remove_task (c);
2580 case Z_APDU_sortResponse:
2581 sort_response (c, apdu->u.sortResponse);
2582 if (send_present (c) == zoom_complete)
2583 ZOOM_connection_remove_task (c);
2585 case Z_APDU_scanResponse:
2586 scan_response (c, apdu->u.scanResponse);
2587 ZOOM_connection_remove_task (c);
2589 case Z_APDU_extendedServicesResponse:
2590 es_response (c, apdu->u.extendedServicesResponse);
2591 ZOOM_connection_remove_task (c);
2594 if (c->reconnect_ok)
2597 c->tasks->running = 0;
2598 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2602 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2607 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2613 static void handle_srw_response(ZOOM_connection c,
2614 Z_SRW_searchRetrieveResponse *res)
2616 ZOOM_resultset resultset = 0;
2624 if (c->tasks->which == ZOOM_TASK_SEARCH)
2625 resultset = c->tasks->u.search.resultset;
2626 else if (c->tasks->which == ZOOM_TASK_RETRIEVE)
2627 resultset = c->tasks->u.retrieve.resultset;
2631 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
2632 ZOOM_connection_put_event(c, event);
2634 resultset->size = 0;
2636 yaz_log(LOG_DEBUG, "got SRW response OK");
2638 if (res->numberOfRecords)
2639 resultset->size = *res->numberOfRecords;
2641 for (i = 0; i<res->num_records; i++)
2645 Z_NamePlusRecord *npr = (Z_NamePlusRecord *)
2646 odr_malloc(c->odr_in, sizeof(Z_NamePlusRecord));
2648 if (res->records[i].recordPosition &&
2649 *res->records[i].recordPosition > 0)
2650 pos = *res->records[i].recordPosition - 1;
2652 pos = resultset->start + i;
2654 npr->databaseName = 0;
2655 npr->which = Z_NamePlusRecord_databaseRecord;
2656 npr->u.databaseRecord = (Z_External *)
2657 odr_malloc(c->odr_in, sizeof(Z_External));
2658 npr->u.databaseRecord->descriptor = 0;
2659 npr->u.databaseRecord->direct_reference =
2660 yaz_oidval_to_z3950oid(c->odr_in, CLASS_RECSYN, VAL_TEXT_XML);
2661 npr->u.databaseRecord->which = Z_External_octet;
2662 npr->u.databaseRecord->u.octet_aligned = (Odr_oct *)
2663 odr_malloc(c->odr_in, sizeof(Odr_oct));
2664 npr->u.databaseRecord->u.octet_aligned->buf =
2665 res->records[i].recordData_buf;
2666 npr->u.databaseRecord->u.octet_aligned->len =
2667 npr->u.databaseRecord->u.octet_aligned->size =
2668 res->records[i].recordData_len;
2669 record_cache_add (resultset, npr, pos);
2671 if (res->num_diagnostics > 0)
2673 set_dset_error(c, *res->diagnostics[0].code, "SRW",
2674 res->diagnostics[0].details, 0);
2676 nmem = odr_extract_mem(c->odr_in);
2677 nmem_transfer(resultset->odr->mem, nmem);
2683 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2686 const char *content_type = z_HTTP_header_lookup(hres->headers,
2688 const char *connection_head = z_HTTP_header_lookup(hres->headers,
2691 yaz_log (LOG_DEBUG, "handle_http");
2693 if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
2695 Z_SOAP *soap_package = 0;
2696 ODR o = odr_createmem(ODR_DECODE);
2697 Z_SOAP_Handler soap_handlers[2] = {
2698 {"http://www.loc.gov/zing/srw/v1.0/", 0,
2699 (Z_SOAP_fun) yaz_srw_codec},
2702 ret = z_soap_codec(o, &soap_package,
2703 &hres->content_buf, &hres->content_len,
2705 if (!ret && soap_package->which == Z_SOAP_generic &&
2706 soap_package->u.generic->no == 0)
2708 Z_SRW_PDU *sr = soap_package->u.generic->p;
2709 if (sr->which == Z_SRW_searchRetrieve_response)
2710 handle_srw_response(c, sr->u.response);
2714 else if (!ret && (soap_package->which == Z_SOAP_fault
2715 || soap_package->which == Z_SOAP_error))
2717 set_HTTP_error(c, hres->code,
2718 soap_package->u.fault->fault_code,
2719 soap_package->u.fault->fault_string);
2727 if (hres->code != 200)
2728 set_HTTP_error(c, hres->code, 0, 0);
2730 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2733 ZOOM_connection_remove_task(c);
2734 if (!strcmp(hres->version, "1.0"))
2736 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
2737 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
2742 /* HTTP 1.1: only if no close we stay alive .. */
2743 if (connection_head && !strcmp(connection_head, "close"))
2749 static int do_read (ZOOM_connection c)
2754 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2755 ZOOM_connection_put_event (c, event);
2757 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2759 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2764 if (c->reconnect_ok)
2767 c->reconnect_ok = 0;
2768 yaz_log (LOG_DEBUG, "reconnect read");
2769 c->tasks->running = 0;
2770 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2774 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2783 odr_reset (c->odr_in);
2784 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2785 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2786 ZOOM_connection_put_event (c, event);
2788 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2790 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2793 else if (gdu->which == Z_GDU_Z3950)
2794 handle_apdu (c, gdu->u.z3950);
2795 else if (gdu->which == Z_GDU_HTTP_Response)
2798 handle_http (c, gdu->u.HTTP_Response);
2800 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2804 c->reconnect_ok = 0;
2809 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2814 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2815 ZOOM_connection_put_event (c, event);
2817 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2818 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2820 if (c->reconnect_ok)
2823 c->reconnect_ok = 0;
2824 yaz_log (LOG_DEBUG, "reconnect write");
2825 c->tasks->running = 0;
2826 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2827 return zoom_pending;
2829 if (c->state == STATE_CONNECTING)
2830 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2832 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2834 return zoom_complete;
2838 c->mask = ZOOM_SELECT_EXCEPT;
2839 if (c->cs->io_pending & CS_WANT_WRITE)
2840 c->mask += ZOOM_SELECT_WRITE;
2841 if (c->cs->io_pending & CS_WANT_READ)
2842 c->mask += ZOOM_SELECT_READ;
2843 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2847 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2848 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2850 return zoom_pending;
2853 static zoom_ret do_write(ZOOM_connection c)
2855 return do_write_ex (c, c->buf_out, c->len_out);
2859 ZOOM_API(const char *)
2860 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2862 return ZOOM_options_get (c->options, key);
2866 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2869 ZOOM_options_set (c->options, key, val);
2872 ZOOM_API(const char *)
2873 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2875 return ZOOM_options_get (r->options, key);
2879 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2882 ZOOM_options_set (r->options, key, val);
2887 ZOOM_connection_errcode (ZOOM_connection c)
2889 return ZOOM_connection_error (c, 0, 0);
2892 ZOOM_API(const char *)
2893 ZOOM_connection_errmsg (ZOOM_connection c)
2896 ZOOM_connection_error (c, &msg, 0);
2900 ZOOM_API(const char *)
2901 ZOOM_connection_addinfo (ZOOM_connection c)
2903 const char *addinfo;
2904 ZOOM_connection_error (c, 0, &addinfo);
2908 ZOOM_API(const char *)
2909 ZOOM_diag_str (int error)
2913 case ZOOM_ERROR_NONE:
2915 case ZOOM_ERROR_CONNECT:
2916 return "Connect failed";
2917 case ZOOM_ERROR_MEMORY:
2918 return "Out of memory";
2919 case ZOOM_ERROR_ENCODE:
2920 return "Encoding failed";
2921 case ZOOM_ERROR_DECODE:
2922 return "Decoding failed";
2923 case ZOOM_ERROR_CONNECTION_LOST:
2924 return "Connection lost";
2925 case ZOOM_ERROR_INIT:
2926 return "Init rejected";
2927 case ZOOM_ERROR_INTERNAL:
2928 return "Internal failure";
2929 case ZOOM_ERROR_TIMEOUT:
2931 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2932 return "Unsupported protocol";
2933 case ZOOM_ERROR_UNSUPPORTED_QUERY:
2934 return "Unsupported query type";
2936 return diagbib1_str (error);
2941 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2942 const char **addinfo, const char **diagset)
2944 int error = c->error;
2947 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
2948 *cp = ZOOM_diag_str(error);
2949 else if (!strcmp(c->diagset, "HTTP"))
2950 *cp = z_HTTP_errmsg(c->error);
2951 else if (!strcmp(c->diagset, "Bib-1"))
2952 *cp = ZOOM_diag_str(error);
2953 else if (!strcmp(c->diagset, "SRW"))
2954 *cp = yaz_diag_srw_str(c->error);
2956 *cp = "Unknown error and diagnostic set";
2959 *addinfo = c->addinfo ? c->addinfo : "";
2961 *diagset = c->diagset ? c->diagset : "";
2966 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2967 const char **addinfo)
2969 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2972 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2974 ZOOM_Event event = 0;
2975 int r = cs_look(c->cs);
2976 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2981 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2982 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2984 ZOOM_connection_put_event (c, event);
2986 else if (r == CS_CONNECT)
2989 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2991 ret = cs_rcvconnect (c->cs);
2992 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2995 c->mask = ZOOM_SELECT_EXCEPT;
2996 if (c->cs->io_pending & CS_WANT_WRITE)
2997 c->mask += ZOOM_SELECT_WRITE;
2998 if (c->cs->io_pending & CS_WANT_READ)
2999 c->mask += ZOOM_SELECT_READ;
3000 ZOOM_connection_put_event (c, event);
3004 ZOOM_connection_put_event (c, event);
3005 if (c->proto == PROTO_Z3950)
3006 ZOOM_connection_send_init(c);
3009 /* no init request for SRW .. */
3010 assert (c->tasks->which == ZOOM_TASK_CONNECT);
3011 ZOOM_connection_remove_task (c);
3013 ZOOM_connection_exec_task (c);
3015 c->state = STATE_ESTABLISHED;
3019 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
3021 ZOOM_connection_put_event (c, event);
3026 if (mask & ZOOM_SELECT_READ)
3028 if (c->cs && (mask & ZOOM_SELECT_WRITE))
3035 ZOOM_connection_last_event(ZOOM_connection cs)
3038 return ZOOM_EVENT_NONE;
3039 return cs->last_event;
3043 ZOOM_event (int no, ZOOM_connection *cs)
3047 struct pollfd pollfds[1024];
3048 ZOOM_connection poll_cs[1024];
3051 fd_set input, output, except;
3056 for (i = 0; i<no; i++)
3058 ZOOM_connection c = cs[i];
3060 if (c && (event = ZOOM_connection_get_event(c)))
3062 ZOOM_Event_destroy (event);
3066 for (i = 0; i<no; i++)
3068 ZOOM_connection c = cs[i];
3070 if (c && ZOOM_connection_exec_task (c))
3072 if ((event = ZOOM_connection_get_event(c)))
3074 ZOOM_Event_destroy (event);
3087 for (i = 0; i<no; i++)
3089 ZOOM_connection c = cs[i];
3095 fd = z3950_connection_socket(c);
3096 mask = z3950_connection_mask(c);
3103 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
3104 if (this_timeout != -1 && this_timeout < timeout)
3105 timeout = this_timeout;
3109 short poll_events = 0;
3111 if (mask & ZOOM_SELECT_READ)
3112 poll_events += POLLIN;
3113 if (mask & ZOOM_SELECT_WRITE)
3114 poll_events += POLLOUT;
3115 if (mask & ZOOM_SELECT_EXCEPT)
3116 poll_events += POLLERR;
3117 pollfds[nfds].fd = fd;
3118 pollfds[nfds].events = poll_events;
3119 pollfds[nfds].revents = 0;
3124 if (mask & ZOOM_SELECT_READ)
3126 FD_SET (fd, &input);
3129 if (mask & ZOOM_SELECT_WRITE)
3131 FD_SET (fd, &output);
3134 if (mask & ZOOM_SELECT_EXCEPT)
3136 FD_SET (fd, &except);
3141 if (timeout >= 5000)
3148 r = poll (pollfds, nfds, timeout * 1000);
3149 for (i = 0; i<nfds; i++)
3151 ZOOM_connection c = poll_cs[i];
3155 if (pollfds[i].revents & POLLIN)
3156 mask += ZOOM_SELECT_READ;
3157 if (pollfds[i].revents & POLLOUT)
3158 mask += ZOOM_SELECT_WRITE;
3159 if (pollfds[i].revents & POLLERR)
3160 mask += ZOOM_SELECT_EXCEPT;
3162 ZOOM_connection_do_io(c, mask);
3164 else if (r == 0 && c->mask)
3166 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3167 /* timeout and this connection was waiting */
3168 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3170 ZOOM_connection_put_event(c, event);
3174 tv.tv_sec = timeout;
3176 yaz_log (LOG_DEBUG, "select start");
3177 r = select (max_fd+1, &input, &output, &except, &tv);
3178 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
3179 for (i = 0; i<no; i++)
3181 ZOOM_connection c = cs[i];
3186 fd = z3950_connection_socket(c);
3190 /* no timeout and real socket */
3191 if (FD_ISSET(fd, &input))
3192 mask += ZOOM_SELECT_READ;
3193 if (FD_ISSET(fd, &output))
3194 mask += ZOOM_SELECT_WRITE;
3195 if (FD_ISSET(fd, &except))
3196 mask += ZOOM_SELECT_EXCEPT;
3198 ZOOM_connection_do_io(c, mask);
3200 if (r == 0 && c->mask)
3202 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3203 /* timeout and this connection was waiting */
3204 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3206 yaz_log (LOG_DEBUG, "timeout");
3207 ZOOM_connection_put_event(c, event);
3211 for (i = 0; i<no; i++)
3213 ZOOM_connection c = cs[i];
3215 if (c && (event = ZOOM_connection_get_event(c)))
3217 ZOOM_Event_destroy (event);