2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.38 2003-06-03 13:59:28 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);
610 /* remove ourselves from the resultsets in connection */
611 ZOOM_resultset *rp = &r->connection->resultsets;
614 assert (*rp); /* we must be in this list!! */
616 { /* OK, we're here - take us out of it */
623 ZOOM_query_destroy (r->query);
624 ZOOM_options_destroy (r->options);
625 odr_destroy (r->odr);
633 ZOOM_resultset_size (ZOOM_resultset r)
638 static void do_close (ZOOM_connection c)
644 c->state = STATE_IDLE;
647 static void ZOOM_resultset_retrieve (ZOOM_resultset r,
648 int force_sync, int start, int count)
660 if (c->host_port && c->proto == PROTO_HTTP)
664 yaz_log(LOG_DEBUG, "NO COMSTACK");
665 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
669 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
673 task = ZOOM_connection_add_task (c, ZOOM_TASK_RETRIEVE);
674 task->u.retrieve.resultset = r;
675 task->u.retrieve.start = start;
676 task->u.retrieve.count = count;
678 cp = ZOOM_options_get (r->options, "schema");
681 if (!r->schema || strcmp(r->schema, cp))
684 r->schema = xstrdup(cp);
688 ZOOM_resultset_addref (r);
690 if (!r->connection->async || force_sync)
691 while (r->connection && ZOOM_event (1, &r->connection))
696 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
697 size_t start, size_t count)
699 int force_present = 0;
705 ZOOM_resultset_retrieve (r, force_present, start, count);
709 for (i = 0; i< count; i++)
710 recs[i] = ZOOM_resultset_record_immediate (r, i+start);
714 static zoom_ret do_connect (ZOOM_connection c)
717 const char *effective_host;
720 effective_host = c->proxy;
722 effective_host = c->host_port;
724 yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
727 c->cs = cs_create_host (effective_host, 0, &add);
729 if (c->cs && c->cs->protocol == PROTO_HTTP)
732 const char *path = 0;
734 c->proto = PROTO_HTTP;
735 cs_get_host_args(c->host_port, &path);
737 c->path = xmalloc(strlen(path)+2);
739 strcpy (c->path+1, path);
741 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
743 return zoom_complete;
748 int ret = cs_connect (c->cs, add);
751 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
752 ZOOM_connection_put_event(c, event);
753 if (c->proto == PROTO_Z3950)
754 ZOOM_connection_send_init(c);
757 /* no init request for SRW .. */
758 assert (c->tasks->which == ZOOM_TASK_CONNECT);
759 ZOOM_connection_remove_task (c);
761 ZOOM_connection_exec_task (c);
763 c->state = STATE_ESTABLISHED;
768 c->state = STATE_CONNECTING;
769 c->mask = ZOOM_SELECT_EXCEPT;
770 if (c->cs->io_pending & CS_WANT_WRITE)
771 c->mask += ZOOM_SELECT_WRITE;
772 if (c->cs->io_pending & CS_WANT_READ)
773 c->mask += ZOOM_SELECT_READ;
777 c->state = STATE_IDLE;
778 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
779 return zoom_complete;
782 int z3950_connection_socket(ZOOM_connection c)
785 return cs_fileno(c->cs);
789 int z3950_connection_mask(ZOOM_connection c)
796 static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
799 for (i = 0; i<200; i++)
802 Z_OtherInformation **oi;
808 sprintf (buf, "otherInfo%d", i);
809 val = ZOOM_options_get (c->options, buf);
812 cp = strchr (val, ':');
816 if (len >= sizeof(buf))
818 memcpy (buf, val, len);
820 oidval = oid_getvalbyname (buf);
821 if (oidval == VAL_NONE)
825 yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
829 static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
834 Z_OtherInformation **oi;
836 yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
840 Z_OtherInformation **oi;
842 yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
844 otherInfo_attach (c, a, out);
845 if (!z_APDU(out, &a, 0, 0))
847 FILE *outf = fopen("/tmp/apdu.txt", "a");
850 ODR odr_pr = odr_createmem(ODR_PRINT);
851 fprintf (outf, "a=%p\n", a);
852 odr_setprint(odr_pr, outf);
853 z_APDU(odr_pr, &a, 0, 0);
856 yaz_log (LOG_DEBUG, "encoding failed");
857 set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
865 static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
869 if (encode_APDU(c, a, c->odr_out))
870 return zoom_complete;
871 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
872 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
873 ZOOM_connection_put_event (c, event);
874 odr_reset(c->odr_out);
878 /* returns 1 if PDU was sent OK (still pending )
879 0 if PDU was not sent OK (nothing to wait for)
882 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
885 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
886 Z_InitRequest *ireq = apdu->u.initRequest;
887 Z_IdAuthentication *auth = (Z_IdAuthentication *)
888 odr_malloc(c->odr_out, sizeof(*auth));
889 const char *auth_groupId = ZOOM_options_get (c->options, "group");
890 const char *auth_userId = ZOOM_options_get (c->options, "user");
891 const char *auth_password = ZOOM_options_get (c->options, "pass");
893 ODR_MASK_SET(ireq->options, Z_Options_search);
894 ODR_MASK_SET(ireq->options, Z_Options_present);
895 ODR_MASK_SET(ireq->options, Z_Options_scan);
896 ODR_MASK_SET(ireq->options, Z_Options_sort);
897 ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
898 ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
900 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
901 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
902 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
904 impname = ZOOM_options_get (c->options, "implementationName");
905 ireq->implementationName =
906 (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
907 strcpy (ireq->implementationName, "");
910 strcat (ireq->implementationName, impname);
911 strcat (ireq->implementationName, "/");
913 strcat (ireq->implementationName, "ZOOM-C/YAZ");
915 *ireq->maximumRecordSize =
916 ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
917 *ireq->preferredMessageSize =
918 ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
920 if (auth_groupId || auth_password)
922 Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
925 if (auth_groupId && *auth_groupId)
927 pass->groupId = (char *)
928 odr_malloc(c->odr_out, strlen(auth_groupId)+1);
929 strcpy(pass->groupId, auth_groupId);
933 if (auth_userId && *auth_userId)
935 pass->userId = (char *)
936 odr_malloc(c->odr_out, strlen(auth_userId)+1);
937 strcpy(pass->userId, auth_userId);
941 if (auth_password && *auth_password)
943 pass->password = (char *)
944 odr_malloc(c->odr_out, strlen(auth_password)+1);
945 strcpy(pass->password, auth_password);
950 auth->which = Z_IdAuthentication_idPass;
951 auth->u.idPass = pass;
952 ireq->idAuthentication = auth;
955 else if (auth_userId)
957 auth->which = Z_IdAuthentication_open;
958 auth->u.open = (char *)
959 odr_malloc(c->odr_out, strlen(auth_userId)+1);
960 strcpy(auth->u.open, auth_userId);
961 ireq->idAuthentication = auth;
964 yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
965 VAL_PROXY, 1, c->host_port);
966 if (c->charset||c->lang)
968 Z_OtherInformation **oi;
969 Z_OtherInformationUnit *oi_unit;
971 yaz_oi_APDU(apdu, &oi);
973 if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
975 ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
977 oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
978 oi_unit->information.externallyDefinedInfo =
979 yaz_set_proposal_charneg
981 (const char **)&c->charset, (c->charset) ? 1:0,
982 (const char **)&c->lang, (c->lang) ? 1:0, 1);
986 return send_APDU (c, apdu);
990 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_PDU *sr)
993 Z_SOAP_Handler h[2] = {
994 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
997 ODR o = odr_createmem(ODR_ENCODE);
999 Z_SOAP *p = odr_malloc(o, sizeof(*p));
1003 gdu = z_get_HTTP_Request(c->odr_out);
1004 gdu->u.HTTP_Request->path = c->path;
1008 const char *cp0 = strstr(c->host_port, "://");
1009 const char *cp1 = 0;
1015 cp1 = strchr(cp0, '/');
1017 cp1 = cp0+strlen(cp0);
1021 char *h = odr_malloc(c->odr_out, cp1 - cp0 + 1);
1022 memcpy (h, cp0, cp1 - cp0);
1024 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1029 strcpy(ctype, "text/xml");
1030 if (c->charset && strlen(c->charset) < 20)
1032 strcat(ctype, "; charset=");
1033 strcat(ctype, c->charset);
1035 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1036 "Content-Type", ctype);
1037 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1038 "SOAPAction", "\"\"");
1039 p->which = Z_SOAP_generic;
1040 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
1041 p->u.generic->no = 0;
1042 p->u.generic->ns = 0;
1043 p->u.generic->p = sr;
1044 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
1046 ret = z_soap_codec_enc(o, &p,
1047 &gdu->u.HTTP_Request->content_buf,
1048 &gdu->u.HTTP_Request->content_len, h,
1051 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1052 return zoom_complete;
1053 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1057 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1058 ZOOM_connection_put_event (c, event);
1059 odr_reset(c->odr_out);
1060 return do_write (c);
1065 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1068 ZOOM_resultset resultset = 0;
1070 const char *recordPacking = 0;
1072 if (c->error) /* don't continue on error */
1073 return zoom_complete;
1075 if (c->tasks->which == ZOOM_TASK_SEARCH)
1077 resultset = c->tasks->u.search.resultset;
1078 resultset->setname = xstrdup ("default");
1079 ZOOM_options_set (resultset->options, "setname", resultset->setname);
1081 else if(c->tasks->which == ZOOM_TASK_RETRIEVE)
1083 resultset = c->tasks->u.retrieve.resultset;
1085 resultset->start = c->tasks->u.retrieve.start;
1086 resultset->count = c->tasks->u.retrieve.count;
1088 if (resultset->start >= resultset->size)
1089 return zoom_complete;
1090 if (resultset->start + resultset->count > resultset->size)
1091 resultset->count = resultset->size - resultset->start;
1093 for (i = 0; i<resultset->count; i++)
1096 record_cache_lookup (resultset, i + resultset->start);
1100 if (i == resultset->count)
1101 return zoom_complete;
1103 assert(resultset->query);
1105 sr = yaz_srw_get(c->odr_out, Z_SRW_searchRetrieve_request);
1107 if (resultset->query->z_query->which == Z_Query_type_104
1108 && resultset->query->z_query->u.type_104->which == Z_External_CQL)
1111 sr->u.request->query_type = Z_SRW_query_type_cql;
1112 sr->u.request->query.cql =resultset->query->z_query->u.type_104->u.cql;
1114 else if (resultset->query->z_query->which == Z_Query_type_1 &&
1115 resultset->query->z_query->u.type_1)
1117 sr->u.request->query_type = Z_SRW_query_type_pqf;
1118 sr->u.request->query.pqf = resultset->query->query_string;
1122 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
1123 return zoom_complete;
1125 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
1126 sr->u.request->maximumRecords = odr_intdup (
1127 c->odr_out, resultset->step>0 ? resultset->step : resultset->count);
1128 sr->u.request->recordSchema = resultset->schema;
1130 recordPacking = ZOOM_resultset_option_get (resultset, "recordPacking");
1133 sr->u.request->recordPacking = odr_strdup(c->odr_out, recordPacking);
1135 return send_srw(c, sr);
1138 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1140 return zoom_complete;
1144 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
1147 int lslb, ssub, mspn;
1149 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
1150 Z_SearchRequest *search_req = apdu->u.searchRequest;
1151 const char *elementSetName;
1152 const char *smallSetElementSetName;
1153 const char *mediumSetElementSetName;
1156 assert (c->tasks->which == ZOOM_TASK_SEARCH);
1158 r = c->tasks->u.search.resultset;
1161 ZOOM_options_get (r->options, "elementSetName");
1162 smallSetElementSetName =
1163 ZOOM_options_get (r->options, "smallSetElementSetName");
1164 mediumSetElementSetName =
1165 ZOOM_options_get (r->options, "mediumSetElementSetName");
1167 if (!smallSetElementSetName)
1168 smallSetElementSetName = elementSetName;
1170 if (!mediumSetElementSetName)
1171 mediumSetElementSetName = elementSetName;
1176 /* prepare query for the search request */
1177 search_req->query = r->query->z_query;
1179 search_req->databaseNames =
1180 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1182 /* get syntax (no need to provide unless piggyback is in effect) */
1183 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1185 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1186 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1187 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1188 if (lslb != -1 && ssub != -1 && mspn != -1)
1190 /* So're a Z39.50 expert? Let's hope you don't do sort */
1191 *search_req->largeSetLowerBound = lslb;
1192 *search_req->smallSetUpperBound = ssub;
1193 *search_req->mediumSetPresentNumber = mspn;
1195 else if (r->start == 0 && r->count > 0
1196 && r->piggyback && !r->r_sort_spec && !r->schema)
1198 /* Regular piggyback - do it unless we're going to do sort */
1199 *search_req->largeSetLowerBound = 2000000000;
1200 *search_req->smallSetUpperBound = 0;
1201 *search_req->mediumSetPresentNumber = r->step>0 ? r->step : r->count;
1205 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1206 smallSetElementSetName = 0;
1207 mediumSetElementSetName = 0;
1210 if (smallSetElementSetName && *smallSetElementSetName)
1212 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1213 odr_malloc (c->odr_out, sizeof(*esn));
1215 esn->which = Z_ElementSetNames_generic;
1216 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1217 search_req->smallSetElementSetNames = esn;
1219 if (mediumSetElementSetName && *mediumSetElementSetName)
1221 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1222 odr_malloc (c->odr_out, sizeof(*esn));
1224 esn->which = Z_ElementSetNames_generic;
1225 esn->u.generic = odr_strdup (c->odr_out, mediumSetElementSetName);
1226 search_req->mediumSetElementSetNames = esn;
1229 search_req->preferredRecordSyntax =
1230 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1234 if (c->support_named_resultsets)
1238 /* find the lowest unused ordinal so that we re-use
1239 result sets on the server. */
1240 for (ord = 1; ; ord++)
1243 sprintf (setname, "%d", ord);
1244 for (rp = c->resultsets; rp; rp = rp->next)
1245 if (rp->setname && !strcmp (rp->setname, setname))
1250 r->setname = xstrdup (setname);
1251 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1254 r->setname = xstrdup ("default");
1255 ZOOM_options_set (r->options, "setname", r->setname);
1257 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1258 /* send search request */
1259 return send_APDU (c, apdu);
1262 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1265 Z_DefaultDiagFormat *r;
1270 if (p->which != Z_DiagRec_defaultFormat)
1272 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1275 r = p->u.defaultFormat;
1278 case Z_DefaultDiagFormat_v2Addinfo:
1279 addinfo = r->u.v2Addinfo;
1281 case Z_DefaultDiagFormat_v3Addinfo:
1282 addinfo = r->u.v3Addinfo;
1285 set_dset_error(c, *r->condition,
1286 yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
1290 ZOOM_API(ZOOM_record)
1291 ZOOM_record_clone (ZOOM_record srec)
1298 odr_enc = odr_createmem(ODR_ENCODE);
1299 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1301 buf = odr_getbuf (odr_enc, &size, 0);
1303 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1304 nrec->odr = odr_createmem(ODR_DECODE);
1305 nrec->wrbuf_marc = 0;
1306 nrec->wrbuf_iconv = 0;
1307 odr_setbuf (nrec->odr, buf, size, 0);
1308 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1310 odr_destroy (odr_enc);
1314 ZOOM_API(ZOOM_record)
1315 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1317 return record_cache_lookup (s, pos);
1320 ZOOM_API(ZOOM_record)
1321 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1323 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1327 ZOOM_resultset_retrieve (r, 1, pos, 1);
1328 rec = ZOOM_resultset_record_immediate (r, pos);
1334 ZOOM_record_destroy (ZOOM_record rec)
1338 if (rec->wrbuf_marc)
1339 wrbuf_free (rec->wrbuf_marc, 1);
1340 odr_destroy (rec->odr);
1344 static const char *record_iconv_return(ZOOM_record rec, int *len,
1345 const char *buf, int sz,
1346 const char *record_charset)
1353 strcpy(to, "UTF-8");
1354 if (record_charset && *record_charset)
1356 /* Use "from,to" or just "from" */
1357 const char *cp =strchr(record_charset, ',');
1358 int clen = strlen(record_charset);
1361 strncpy( to, cp+1, sizeof(to)-1);
1362 to[sizeof(to)-1] = '\0';
1363 clen = cp - record_charset;
1365 if (clen > sizeof(from)-1)
1366 clen = sizeof(from)-1;
1369 strncpy(from, record_charset, clen);
1373 if (*from && *to && (cd = yaz_iconv_open(to, from)))
1376 size_t inbytesleft = sz;
1377 const char *inp = buf;
1379 if (!rec->wrbuf_iconv)
1380 rec->wrbuf_iconv = wrbuf_alloc();
1382 wrbuf_rewind(rec->wrbuf_iconv);
1386 size_t outbytesleft = sizeof(outbuf);
1387 char *outp = outbuf;
1388 size_t r = yaz_iconv (cd, (char**) &inp,
1390 &outp, &outbytesleft);
1391 if (r == (size_t) (-1))
1393 int e = yaz_iconv_error(cd);
1394 if (e != YAZ_ICONV_E2BIG)
1397 wrbuf_write(rec->wrbuf_iconv, outbuf, outp - outbuf);
1399 wrbuf_puts(rec->wrbuf_iconv, "");
1400 buf = wrbuf_buf(rec->wrbuf_iconv);
1401 sz = wrbuf_len(rec->wrbuf_iconv);
1402 yaz_iconv_close(cd);
1409 ZOOM_API(const char *)
1410 ZOOM_record_get (ZOOM_record rec, const char *type_spec, int *len)
1416 Z_NamePlusRecord *npr;
1419 *len = 0; /* default return */
1428 for (i = 0; cp[i] && i < sizeof(type)-1; i++)
1430 if (cp[i] == ';' || cp[i] == ' ')
1436 if (type_spec[i] == ';')
1439 while (type_spec[i] == ' ')
1441 if (!strncmp(type_spec+i, "charset=", 8))
1444 for (i = 0; cp[i] && i < sizeof(charset)-1; i++)
1446 if (cp[i] == ';' || cp[i] == ' ')
1454 if (!strcmp (type, "database"))
1457 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1458 return npr->databaseName;
1460 else if (!strcmp (type, "syntax"))
1462 const char *desc = 0;
1463 if (npr->which == Z_NamePlusRecord_databaseRecord)
1465 Z_External *r = (Z_External *) npr->u.databaseRecord;
1466 oident *ent = oid_getentbyoid(r->direct_reference);
1473 *len = strlen(desc);
1476 else if (!strcmp (type, "render") &&
1477 npr->which == Z_NamePlusRecord_databaseRecord)
1479 Z_External *r = (Z_External *) npr->u.databaseRecord;
1480 oident *ent = oid_getentbyoid(r->direct_reference);
1482 if (r->which == Z_External_sutrs)
1483 return record_iconv_return(rec, len,
1484 r->u.sutrs->buf, r->u.sutrs->len,
1486 else if (r->which == Z_External_octet)
1496 case VAL_APPLICATION_XML:
1499 if (!rec->wrbuf_marc)
1500 rec->wrbuf_marc = wrbuf_alloc();
1502 mt = yaz_marc_create();
1503 wrbuf_rewind (rec->wrbuf_marc);
1504 if (yaz_marc_decode_wrbuf (
1505 mt, (const char *) r->u.octet_aligned->buf,
1506 r->u.octet_aligned->len,
1507 rec->wrbuf_marc) > 0)
1509 yaz_marc_destroy(mt);
1510 return record_iconv_return(rec, len,
1511 wrbuf_buf(rec->wrbuf_marc),
1512 wrbuf_len(rec->wrbuf_marc),
1515 yaz_marc_destroy(mt);
1517 return record_iconv_return(rec, len,
1518 (const char *) r->u.octet_aligned->buf,
1519 r->u.octet_aligned->len,
1522 else if (r->which == Z_External_grs1)
1524 if (!rec->wrbuf_marc)
1525 rec->wrbuf_marc = wrbuf_alloc();
1526 wrbuf_rewind (rec->wrbuf_marc);
1527 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1528 return record_iconv_return(rec, len,
1529 wrbuf_buf(rec->wrbuf_marc),
1530 wrbuf_len(rec->wrbuf_marc),
1535 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1536 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1538 Z_External *r = (Z_External *) npr->u.databaseRecord;
1539 oident *ent = oid_getentbyoid(r->direct_reference);
1541 if (r->which == Z_External_sutrs)
1542 return record_iconv_return(rec, len,
1543 (const char *) r->u.sutrs->buf,
1546 else if (r->which == Z_External_octet)
1549 int marc_decode_type = YAZ_MARC_MARCXML;
1551 if (!strcmp(type, "oai"))
1552 marc_decode_type = YAZ_MARC_OAIMARC;
1560 case VAL_APPLICATION_XML:
1563 if (!rec->wrbuf_marc)
1564 rec->wrbuf_marc = wrbuf_alloc();
1565 wrbuf_rewind (rec->wrbuf_marc);
1566 mt = yaz_marc_create();
1568 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1569 if (yaz_marc_decode_wrbuf (
1570 mt, (const char *) r->u.octet_aligned->buf,
1571 r->u.octet_aligned->len,
1572 rec->wrbuf_marc) > 0)
1574 yaz_marc_destroy(mt);
1575 return record_iconv_return(rec, len,
1576 wrbuf_buf(rec->wrbuf_marc),
1577 wrbuf_len(rec->wrbuf_marc),
1580 yaz_marc_destroy(mt);
1582 return record_iconv_return(rec, len,
1583 (const char *) r->u.octet_aligned->buf,
1584 r->u.octet_aligned->len,
1587 else if (r->which == Z_External_grs1)
1592 else if (r->which == Z_External_OPAC)
1599 else if (!strcmp (type, "raw"))
1601 if (npr->which == Z_NamePlusRecord_databaseRecord)
1603 Z_External *r = (Z_External *) npr->u.databaseRecord;
1605 if (r->which == Z_External_sutrs)
1607 if (len) *len = r->u.sutrs->len;
1608 return (const char *) r->u.sutrs->buf;
1610 else if (r->which == Z_External_octet)
1612 if (len) *len = r->u.octet_aligned->len;
1613 return (const char *) r->u.octet_aligned->buf;
1615 else /* grs-1, explain, ... */
1618 return (const char *) npr->u.databaseRecord;
1623 else if (!strcmp (type, "ext"))
1625 if (npr->which == Z_NamePlusRecord_databaseRecord)
1626 return (const char *) npr->u.databaseRecord;
1632 static int strcmp_null(const char *v1, const char *v2)
1638 return strcmp(v1, v2);
1641 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr,
1644 ZOOM_record_cache rc;
1645 const char *elementSetName =
1646 ZOOM_resultset_option_get (r, "elementSetName");
1647 const char *syntax =
1648 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1650 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
1651 ZOOM_connection_put_event(r->connection, event);
1653 for (rc = r->record_cache; rc; rc = rc->next)
1657 if (strcmp_null(r->schema, rc->schema))
1659 if (strcmp_null(elementSetName,rc->elementSetName))
1661 if (strcmp_null(syntax, rc->syntax))
1663 /* not destroying rc->npr (it's handled by nmem )*/
1665 /* keeping wrbuf_marc too */
1669 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1672 rc->rec.wrbuf_marc = 0;
1673 rc->rec.wrbuf_iconv = 0;
1675 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1677 rc->elementSetName = 0;
1680 rc->syntax = odr_strdup (r->odr, syntax);
1685 rc->schema = odr_strdup (r->odr, r->schema);
1690 rc->next = r->record_cache;
1691 r->record_cache = rc;
1694 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1696 ZOOM_record_cache rc;
1697 const char *elementSetName =
1698 ZOOM_resultset_option_get (r, "elementSetName");
1699 const char *syntax =
1700 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1702 for (rc = r->record_cache; rc; rc = rc->next)
1706 if (strcmp_null(r->schema, rc->schema))
1708 if (strcmp_null(elementSetName,rc->elementSetName))
1710 if (strcmp_null(syntax, rc->syntax))
1718 static void handle_records (ZOOM_connection c, Z_Records *sr,
1721 ZOOM_resultset resultset;
1725 switch (c->tasks->which)
1727 case ZOOM_TASK_SEARCH:
1728 resultset = c->tasks->u.search.resultset;
1730 case ZOOM_TASK_RETRIEVE:
1731 resultset = c->tasks->u.retrieve.resultset;
1736 if (sr && sr->which == Z_Records_NSD)
1738 Z_DiagRec dr, *dr_p = &dr;
1739 dr.which = Z_DiagRec_defaultFormat;
1740 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1742 response_diag (c, dr_p);
1744 else if (sr && sr->which == Z_Records_multipleNSD)
1746 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1747 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1749 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1753 if (resultset->count + resultset->start > resultset->size)
1754 resultset->count = resultset->size - resultset->start;
1755 if (resultset->count < 0)
1756 resultset->count = 0;
1757 if (sr && sr->which == Z_Records_DBOSD)
1760 NMEM nmem = odr_extract_mem (c->odr_in);
1761 Z_NamePlusRecordList *p =
1762 sr->u.databaseOrSurDiagnostics;
1763 for (i = 0; i<p->num_records; i++)
1765 record_cache_add (resultset, p->records[i],
1766 i+ resultset->start);
1768 /* transfer our response to search_nmem .. we need it later */
1769 nmem_transfer (resultset->odr->mem, nmem);
1770 nmem_destroy (nmem);
1771 if (present_phase && p->num_records == 0)
1773 /* present response and we didn't get any records! */
1774 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1777 else if (present_phase)
1779 /* present response and we didn't get any records! */
1780 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1785 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1787 handle_records (c, pr->records, 1);
1790 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1792 ZOOM_resultset resultset;
1795 yaz_log (LOG_DEBUG, "got search response");
1797 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1800 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
1801 ZOOM_connection_put_event(c, event);
1803 resultset = c->tasks->u.search.resultset;
1805 resultset->size = *sr->resultCount;
1806 handle_records (c, sr->records, 0);
1809 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1811 if (res->diagnostics && res->num_diagnostics > 0)
1812 response_diag (c, res->diagnostics[0]);
1815 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1817 NMEM nmem = odr_extract_mem (c->odr_in);
1820 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1822 scan = c->tasks->u.scan.scan;
1824 if (res->entries && res->entries->nonsurrogateDiagnostics)
1825 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1826 scan->scan_response = res;
1827 nmem_transfer (scan->odr->mem, nmem);
1829 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1830 if (res->positionOfTerm)
1831 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1832 if (res->scanStatus)
1833 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1834 if (res->numberOfEntriesReturned)
1835 ZOOM_options_set_int (scan->options, "number",
1836 *res->numberOfEntriesReturned);
1837 nmem_destroy (nmem);
1841 static zoom_ret send_sort (ZOOM_connection c)
1843 ZOOM_resultset resultset;
1845 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1846 return zoom_complete;
1848 resultset = c->tasks->u.search.resultset;
1852 resultset->r_sort_spec = 0;
1853 return zoom_complete;
1855 if (resultset->r_sort_spec)
1857 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1858 Z_SortRequest *req = apdu->u.sortRequest;
1860 req->num_inputResultSetNames = 1;
1861 req->inputResultSetNames = (Z_InternationalString **)
1862 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1863 req->inputResultSetNames[0] =
1864 odr_strdup (c->odr_out, resultset->setname);
1865 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1866 req->sortSequence = resultset->r_sort_spec;
1867 resultset->r_sort_spec = 0;
1868 return send_APDU (c, apdu);
1870 return zoom_complete;
1873 static zoom_ret send_present (ZOOM_connection c)
1876 Z_PresentRequest *req = 0;
1878 const char *syntax = 0;
1879 const char *elementSetName = 0;
1880 ZOOM_resultset resultset;
1883 return zoom_complete;
1885 switch (c->tasks->which)
1887 case ZOOM_TASK_SEARCH:
1888 resultset = c->tasks->u.search.resultset;
1890 case ZOOM_TASK_RETRIEVE:
1891 resultset = c->tasks->u.retrieve.resultset;
1892 resultset->start = c->tasks->u.retrieve.start;
1893 resultset->count = c->tasks->u.retrieve.count;
1895 if (resultset->start >= resultset->size)
1896 return zoom_complete;
1897 if (resultset->start + resultset->count > resultset->size)
1898 resultset->count = resultset->size - resultset->start;
1901 return zoom_complete;
1904 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1905 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1907 if (c->error) /* don't continue on error */
1908 return zoom_complete;
1909 if (resultset->start < 0)
1910 return zoom_complete;
1911 for (i = 0; i<resultset->count; i++)
1914 record_cache_lookup (resultset, i + resultset->start);
1918 if (i == resultset->count)
1919 return zoom_complete;
1921 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1922 req = apdu->u.presentRequest;
1924 resultset->start += i;
1925 resultset->count -= i;
1926 *req->resultSetStartPoint = resultset->start + 1;
1927 *req->numberOfRecordsRequested = resultset->step>0 ?
1928 resultset->step : resultset->count;
1929 assert (*req->numberOfRecordsRequested > 0);
1931 if (syntax && *syntax)
1932 req->preferredRecordSyntax =
1933 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1935 if (resultset->schema && *resultset->schema)
1937 Z_RecordComposition *compo = (Z_RecordComposition *)
1938 odr_malloc (c->odr_out, sizeof(*compo));
1940 req->recordComposition = compo;
1941 compo->which = Z_RecordComp_complex;
1942 compo->u.complex = (Z_CompSpec *)
1943 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1944 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1945 odr_malloc(c->odr_out, sizeof(bool_t));
1946 *compo->u.complex->selectAlternativeSyntax = 0;
1948 compo->u.complex->generic = (Z_Specification *)
1949 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1951 compo->u.complex->generic->which = Z_Schema_oid;
1952 compo->u.complex->generic->schema.oid = (Odr_oid *)
1953 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, resultset->schema);
1955 if (!compo->u.complex->generic->schema.oid)
1957 /* OID wasn't a schema! Try record syntax instead. */
1959 compo->u.complex->generic->schema.oid = (Odr_oid *)
1960 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
1962 if (elementSetName && *elementSetName)
1964 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
1965 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
1966 compo->u.complex->generic->elementSpec->which =
1967 Z_ElementSpec_elementSetName;
1968 compo->u.complex->generic->elementSpec->u.elementSetName =
1969 odr_strdup (c->odr_out, elementSetName);
1972 compo->u.complex->generic->elementSpec = 0;
1973 compo->u.complex->num_dbSpecific = 0;
1974 compo->u.complex->dbSpecific = 0;
1975 compo->u.complex->num_recordSyntax = 0;
1976 compo->u.complex->recordSyntax = 0;
1978 else if (elementSetName && *elementSetName)
1980 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1981 odr_malloc (c->odr_out, sizeof(*esn));
1982 Z_RecordComposition *compo = (Z_RecordComposition *)
1983 odr_malloc (c->odr_out, sizeof(*compo));
1985 esn->which = Z_ElementSetNames_generic;
1986 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
1987 compo->which = Z_RecordComp_simple;
1988 compo->u.simple = esn;
1989 req->recordComposition = compo;
1991 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
1992 return send_APDU (c, apdu);
1995 ZOOM_API(ZOOM_scanset)
1996 ZOOM_connection_scan (ZOOM_connection c, const char *start)
1998 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
2000 scan->connection = c;
2001 scan->odr = odr_createmem (ODR_DECODE);
2002 scan->options = ZOOM_options_create_with_parent (c->options);
2004 scan->scan_response = 0;
2006 if ((scan->termListAndStartPoint =
2007 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
2010 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
2011 task->u.scan.scan = scan;
2016 while (ZOOM_event (1, &c))
2024 ZOOM_scanset_destroy (ZOOM_scanset scan)
2029 if (scan->refcount == 0)
2031 odr_destroy (scan->odr);
2033 ZOOM_options_destroy (scan->options);
2038 static zoom_ret send_package (ZOOM_connection c)
2042 return zoom_complete;
2043 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
2045 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
2046 ZOOM_connection_put_event (c, event);
2048 return do_write_ex (c, c->tasks->u.package->buf_out,
2049 c->tasks->u.package->len_out);
2052 static zoom_ret send_scan (ZOOM_connection c)
2055 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
2056 Z_ScanRequest *req = apdu->u.scanRequest;
2058 return zoom_complete;
2059 assert (c->tasks->which == ZOOM_TASK_SCAN);
2060 scan = c->tasks->u.scan.scan;
2062 req->termListAndStartPoint = scan->termListAndStartPoint;
2063 req->attributeSet = scan->attributeSet;
2065 *req->numberOfTermsRequested =
2066 ZOOM_options_get_int(scan->options, "number", 10);
2068 req->preferredPositionInResponse =
2069 odr_intdup (c->odr_out,
2070 ZOOM_options_get_int(scan->options, "position", 1));
2073 odr_intdup (c->odr_out,
2074 ZOOM_options_get_int(scan->options, "stepSize", 0));
2076 req->databaseNames = set_DatabaseNames (c, scan->options,
2077 &req->num_databaseNames);
2079 return send_APDU (c, apdu);
2083 ZOOM_scanset_size (ZOOM_scanset scan)
2085 if (!scan || !scan->scan_response || !scan->scan_response->entries)
2087 return scan->scan_response->entries->num_entries;
2090 ZOOM_API(const char *)
2091 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
2094 const char *term = 0;
2095 size_t noent = ZOOM_scanset_size (scan);
2096 Z_ScanResponse *res = scan->scan_response;
2102 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
2104 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
2106 if (t->term->which == Z_Term_general)
2108 term = (const char *) t->term->u.general->buf;
2109 *len = t->term->u.general->len;
2111 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
2116 ZOOM_API(const char *)
2117 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
2119 return ZOOM_options_get (scan->options, key);
2123 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
2126 ZOOM_options_set (scan->options, key, val);
2129 static Z_APDU *create_es_package (ZOOM_package p, int type)
2132 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
2133 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
2135 *req->function = Z_ExtendedServicesRequest_create;
2137 str = ZOOM_options_get(p->options, "package-name");
2139 req->packageName = nmem_strdup (p->odr_out->mem, str);
2141 str = ZOOM_options_get(p->options, "user-id");
2143 req->userId = nmem_strdup (p->odr_out->mem, str);
2145 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2148 str = ZOOM_options_get(p->options, "function");
2151 if (!strcmp (str, "create"))
2153 if (!strcmp (str, "delete"))
2155 if (!strcmp (str, "modify"))
2161 static const char *ill_array_lookup (void *clientData, const char *idx)
2163 ZOOM_package p = (ZOOM_package) clientData;
2164 return ZOOM_options_get (p->options, idx+4);
2167 static Z_External *encode_ill_request (ZOOM_package p)
2169 ODR out = p->odr_out;
2172 struct ill_get_ctl ctl;
2174 ctl.odr = p->odr_out;
2176 ctl.f = ill_array_lookup;
2178 req = ill_get_ILLRequest(&ctl, "ill", 0);
2180 if (!ill_Request (out, &req, 0, 0))
2182 int ill_request_size;
2183 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
2184 if (ill_request_buf)
2185 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
2191 int illRequest_size = 0;
2192 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
2194 oid.proto = PROTO_GENERAL;
2195 oid.oclass = CLASS_GENERAL;
2196 oid.value = VAL_ISO_ILL_1;
2198 r = (Z_External *) odr_malloc (out, sizeof(*r));
2199 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
2200 r->indirect_reference = 0;
2202 r->which = Z_External_single;
2204 r->u.single_ASN1_type = (Odr_oct *)
2205 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
2206 r->u.single_ASN1_type->buf = (unsigned char*)
2207 odr_malloc (out, illRequest_size);
2208 r->u.single_ASN1_type->len = illRequest_size;
2209 r->u.single_ASN1_type->size = illRequest_size;
2210 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
2215 static Z_ItemOrder *encode_item_order(ZOOM_package p)
2217 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
2220 req->which=Z_IOItemOrder_esRequest;
2221 req->u.esRequest = (Z_IORequest *)
2222 odr_malloc(p->odr_out,sizeof(Z_IORequest));
2224 /* to keep part ... */
2225 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
2226 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
2227 req->u.esRequest->toKeep->supplDescription = 0;
2228 req->u.esRequest->toKeep->contact = (Z_IOContact *)
2229 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
2231 str = ZOOM_options_get(p->options, "contact-name");
2232 req->u.esRequest->toKeep->contact->name = str ?
2233 nmem_strdup (p->odr_out->mem, str) : 0;
2235 str = ZOOM_options_get(p->options, "contact-phone");
2236 req->u.esRequest->toKeep->contact->phone = str ?
2237 nmem_strdup (p->odr_out->mem, str) : 0;
2239 str = ZOOM_options_get(p->options, "contact-email");
2240 req->u.esRequest->toKeep->contact->email = str ?
2241 nmem_strdup (p->odr_out->mem, str) : 0;
2243 req->u.esRequest->toKeep->addlBilling = 0;
2245 /* not to keep part ... */
2246 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
2247 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
2249 str = ZOOM_options_get(p->options, "itemorder-setname");
2254 req->u.esRequest->notToKeep->resultSetItem = 0;
2257 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
2258 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
2260 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
2261 nmem_strdup (p->odr_out->mem, str);
2262 req->u.esRequest->notToKeep->resultSetItem->item =
2263 (int *) odr_malloc(p->odr_out, sizeof(int));
2265 str = ZOOM_options_get(p->options, "itemorder-item");
2266 *req->u.esRequest->notToKeep->resultSetItem->item =
2267 (str ? atoi(str) : 1);
2269 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
2275 ZOOM_package_send (ZOOM_package p, const char *type)
2282 odr_reset (p->odr_out);
2285 if (!strcmp(type, "itemorder"))
2288 apdu = create_es_package (p, VAL_ITEMORDER);
2291 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2293 r->direct_reference =
2294 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2297 r->which = Z_External_itemOrder;
2298 r->indirect_reference = 0;
2299 r->u.itemOrder = encode_item_order (p);
2301 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2306 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2310 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2311 task->u.package = p;
2312 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2313 p->buf_out = (char *) xmalloc (p->len_out);
2314 memcpy (p->buf_out, buf, p->len_out);
2319 while (ZOOM_event (1, &c))
2326 ZOOM_API(ZOOM_package)
2327 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2329 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2332 p->odr_out = odr_createmem (ODR_ENCODE);
2333 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2341 ZOOM_package_destroy(ZOOM_package p)
2346 if (p->refcount == 0)
2348 odr_destroy (p->odr_out);
2351 ZOOM_options_destroy (p->options);
2356 ZOOM_API(const char *)
2357 ZOOM_package_option_get (ZOOM_package p, const char *key)
2359 return ZOOM_options_get (p->options, key);
2364 ZOOM_package_option_set (ZOOM_package p, const char *key,
2367 ZOOM_options_set (p->options, key, val);
2370 static int ZOOM_connection_exec_task (ZOOM_connection c)
2372 ZOOM_task task = c->tasks;
2373 zoom_ret ret = zoom_complete;
2377 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2380 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2381 task->which, task->running);
2382 if (c->error != ZOOM_ERROR_NONE)
2384 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2385 ZOOM_connection_remove_tasks (c);
2390 yaz_log (LOG_DEBUG, "task already running");
2394 ret = zoom_complete;
2395 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2397 switch (task->which)
2399 case ZOOM_TASK_SEARCH:
2400 if (c->proto == PROTO_HTTP)
2401 ret = ZOOM_connection_srw_send_search(c);
2403 ret = ZOOM_connection_send_search(c);
2405 case ZOOM_TASK_RETRIEVE:
2406 if (c->proto == PROTO_HTTP)
2407 ret = ZOOM_connection_srw_send_search(c);
2409 ret = send_present (c);
2411 case ZOOM_TASK_CONNECT:
2412 ret = do_connect(c);
2414 case ZOOM_TASK_SCAN:
2417 case ZOOM_TASK_PACKAGE:
2418 ret = send_package(c);
2424 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2425 ZOOM_connection_remove_tasks (c);
2427 if (ret == zoom_complete)
2429 yaz_log (LOG_DEBUG, "task removed (complete)");
2430 ZOOM_connection_remove_task (c);
2433 yaz_log (LOG_DEBUG, "task pending");
2437 static zoom_ret send_sort_present (ZOOM_connection c)
2439 zoom_ret r = send_sort (c);
2440 if (r == zoom_complete)
2441 r = send_present (c);
2445 static int es_response (ZOOM_connection c,
2446 Z_ExtendedServicesResponse *res)
2448 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2450 if (res->diagnostics && res->num_diagnostics > 0)
2451 response_diag(c, res->diagnostics[0]);
2452 if (res->taskPackage &&
2453 res->taskPackage->which == Z_External_extendedService)
2455 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2456 Odr_oct *id = taskPackage->targetReference;
2459 ZOOM_options_setl (c->tasks->u.package->options,
2460 "targetReference", (char*) id->buf, id->len);
2466 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2468 Z_InitResponse *initrs;
2471 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2474 case Z_APDU_initResponse:
2475 initrs = apdu->u.initResponse;
2476 ZOOM_connection_option_set(c, "targetImplementationId",
2477 initrs->implementationId ?
2478 initrs->implementationId : "");
2479 ZOOM_connection_option_set(c, "targetImplementationName",
2480 initrs->implementationName ?
2481 initrs->implementationName : "");
2482 ZOOM_connection_option_set(c, "targetImplementationVersion",
2483 initrs->implementationVersion ?
2484 initrs->implementationVersion : "");
2485 if (!*initrs->result)
2487 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2492 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2494 xfree (c->cookie_in);
2497 c->cookie_in = xstrdup(cookie);
2498 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2499 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2500 c->support_named_resultsets = 1;
2503 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2504 ZOOM_connection_remove_task (c);
2506 ZOOM_connection_exec_task (c);
2508 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2510 NMEM tmpmem = nmem_create();
2511 Z_CharSetandLanguageNegotiation *p =
2512 yaz_get_charneg_record(initrs->otherInfo);
2516 char *charset=NULL, *lang=NULL;
2519 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2520 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2521 "language %s, select %d",
2522 charset ? charset : "none", lang ? lang : "none", sel);
2524 ZOOM_connection_option_set (c, "negotiation-charset",
2527 ZOOM_connection_option_set (c, "negotiation-lang",
2529 nmem_destroy(tmpmem);
2533 case Z_APDU_searchResponse:
2534 handle_search_response (c, apdu->u.searchResponse);
2535 if (send_sort_present (c) == zoom_complete)
2536 ZOOM_connection_remove_task (c);
2538 case Z_APDU_presentResponse:
2539 handle_present_response (c, apdu->u.presentResponse);
2540 if (send_present (c) == zoom_complete)
2541 ZOOM_connection_remove_task (c);
2543 case Z_APDU_sortResponse:
2544 sort_response (c, apdu->u.sortResponse);
2545 if (send_present (c) == zoom_complete)
2546 ZOOM_connection_remove_task (c);
2548 case Z_APDU_scanResponse:
2549 scan_response (c, apdu->u.scanResponse);
2550 ZOOM_connection_remove_task (c);
2552 case Z_APDU_extendedServicesResponse:
2553 es_response (c, apdu->u.extendedServicesResponse);
2554 ZOOM_connection_remove_task (c);
2557 if (c->reconnect_ok)
2560 c->tasks->running = 0;
2561 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2565 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2570 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2576 static void handle_srw_response(ZOOM_connection c,
2577 Z_SRW_searchRetrieveResponse *res)
2579 ZOOM_resultset resultset = 0;
2587 if (c->tasks->which == ZOOM_TASK_SEARCH)
2588 resultset = c->tasks->u.search.resultset;
2589 else if (c->tasks->which == ZOOM_TASK_RETRIEVE)
2590 resultset = c->tasks->u.retrieve.resultset;
2594 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
2595 ZOOM_connection_put_event(c, event);
2597 resultset->size = 0;
2599 yaz_log(LOG_DEBUG, "got SRW response OK");
2601 if (res->numberOfRecords)
2602 resultset->size = *res->numberOfRecords;
2604 for (i = 0; i<res->num_records; i++)
2608 Z_NamePlusRecord *npr = (Z_NamePlusRecord *)
2609 odr_malloc(c->odr_in, sizeof(Z_NamePlusRecord));
2611 if (res->records[i].recordPosition &&
2612 *res->records[i].recordPosition > 0)
2613 pos = *res->records[i].recordPosition - 1;
2615 pos = resultset->start + i;
2617 npr->databaseName = 0;
2618 npr->which = Z_NamePlusRecord_databaseRecord;
2619 npr->u.databaseRecord = (Z_External *)
2620 odr_malloc(c->odr_in, sizeof(Z_External));
2621 npr->u.databaseRecord->descriptor = 0;
2622 npr->u.databaseRecord->direct_reference =
2623 yaz_oidval_to_z3950oid(c->odr_in, CLASS_RECSYN, VAL_TEXT_XML);
2624 npr->u.databaseRecord->which = Z_External_octet;
2625 npr->u.databaseRecord->u.octet_aligned = (Odr_oct *)
2626 odr_malloc(c->odr_in, sizeof(Odr_oct));
2627 npr->u.databaseRecord->u.octet_aligned->buf =
2628 res->records[i].recordData_buf;
2629 npr->u.databaseRecord->u.octet_aligned->len =
2630 npr->u.databaseRecord->u.octet_aligned->size =
2631 res->records[i].recordData_len;
2632 record_cache_add (resultset, npr, pos);
2634 if (res->num_diagnostics > 0)
2636 set_dset_error(c, *res->diagnostics[0].code, "SRW",
2637 res->diagnostics[0].details, 0);
2639 nmem = odr_extract_mem(c->odr_in);
2640 nmem_transfer(resultset->odr->mem, nmem);
2646 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2649 const char *content_type = z_HTTP_header_lookup(hres->headers,
2651 const char *connection_head = z_HTTP_header_lookup(hres->headers,
2654 yaz_log (LOG_DEBUG, "handle_http");
2656 if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
2658 Z_SOAP *soap_package = 0;
2659 ODR o = odr_createmem(ODR_DECODE);
2660 Z_SOAP_Handler soap_handlers[2] = {
2661 {"http://www.loc.gov/zing/srw/v1.0/", 0,
2662 (Z_SOAP_fun) yaz_srw_codec},
2665 ret = z_soap_codec(o, &soap_package,
2666 &hres->content_buf, &hres->content_len,
2668 if (!ret && soap_package->which == Z_SOAP_generic &&
2669 soap_package->u.generic->no == 0)
2671 Z_SRW_PDU *sr = soap_package->u.generic->p;
2672 if (sr->which == Z_SRW_searchRetrieve_response)
2673 handle_srw_response(c, sr->u.response);
2677 else if (!ret && (soap_package->which == Z_SOAP_fault
2678 || soap_package->which == Z_SOAP_error))
2680 set_HTTP_error(c, hres->code,
2681 soap_package->u.fault->fault_code,
2682 soap_package->u.fault->fault_string);
2690 if (hres->code != 200)
2691 set_HTTP_error(c, hres->code, 0, 0);
2693 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2696 ZOOM_connection_remove_task(c);
2697 if (!strcmp(hres->version, "1.0"))
2699 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
2700 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
2705 /* HTTP 1.1: only if no close we stay alive .. */
2706 if (connection_head && !strcmp(connection_head, "close"))
2712 static int do_read (ZOOM_connection c)
2717 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2718 ZOOM_connection_put_event (c, event);
2720 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2722 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2727 if (c->reconnect_ok)
2730 c->reconnect_ok = 0;
2731 yaz_log (LOG_DEBUG, "reconnect read");
2732 c->tasks->running = 0;
2733 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2737 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2746 odr_reset (c->odr_in);
2747 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2748 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2749 ZOOM_connection_put_event (c, event);
2751 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2753 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2756 else if (gdu->which == Z_GDU_Z3950)
2757 handle_apdu (c, gdu->u.z3950);
2758 else if (gdu->which == Z_GDU_HTTP_Response)
2761 handle_http (c, gdu->u.HTTP_Response);
2763 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2767 c->reconnect_ok = 0;
2772 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2777 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2778 ZOOM_connection_put_event (c, event);
2780 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2781 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2783 if (c->reconnect_ok)
2786 c->reconnect_ok = 0;
2787 yaz_log (LOG_DEBUG, "reconnect write");
2788 c->tasks->running = 0;
2789 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2790 return zoom_pending;
2792 if (c->state == STATE_CONNECTING)
2793 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2795 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2797 return zoom_complete;
2801 c->mask = ZOOM_SELECT_EXCEPT;
2802 if (c->cs->io_pending & CS_WANT_WRITE)
2803 c->mask += ZOOM_SELECT_WRITE;
2804 if (c->cs->io_pending & CS_WANT_READ)
2805 c->mask += ZOOM_SELECT_READ;
2806 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2810 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2811 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2813 return zoom_pending;
2816 static zoom_ret do_write(ZOOM_connection c)
2818 return do_write_ex (c, c->buf_out, c->len_out);
2822 ZOOM_API(const char *)
2823 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2825 return ZOOM_options_get (c->options, key);
2829 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2832 ZOOM_options_set (c->options, key, val);
2835 ZOOM_API(const char *)
2836 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2838 return ZOOM_options_get (r->options, key);
2842 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2845 ZOOM_options_set (r->options, key, val);
2850 ZOOM_connection_errcode (ZOOM_connection c)
2852 return ZOOM_connection_error (c, 0, 0);
2855 ZOOM_API(const char *)
2856 ZOOM_connection_errmsg (ZOOM_connection c)
2859 ZOOM_connection_error (c, &msg, 0);
2863 ZOOM_API(const char *)
2864 ZOOM_connection_addinfo (ZOOM_connection c)
2866 const char *addinfo;
2867 ZOOM_connection_error (c, 0, &addinfo);
2871 ZOOM_API(const char *)
2872 ZOOM_diag_str (int error)
2876 case ZOOM_ERROR_NONE:
2878 case ZOOM_ERROR_CONNECT:
2879 return "Connect failed";
2880 case ZOOM_ERROR_MEMORY:
2881 return "Out of memory";
2882 case ZOOM_ERROR_ENCODE:
2883 return "Encoding failed";
2884 case ZOOM_ERROR_DECODE:
2885 return "Decoding failed";
2886 case ZOOM_ERROR_CONNECTION_LOST:
2887 return "Connection lost";
2888 case ZOOM_ERROR_INIT:
2889 return "Init rejected";
2890 case ZOOM_ERROR_INTERNAL:
2891 return "Internal failure";
2892 case ZOOM_ERROR_TIMEOUT:
2894 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2895 return "Unsupported protocol";
2896 case ZOOM_ERROR_UNSUPPORTED_QUERY:
2897 return "Unsupported query type";
2899 return diagbib1_str (error);
2904 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2905 const char **addinfo, const char **diagset)
2907 int error = c->error;
2910 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
2911 *cp = ZOOM_diag_str(error);
2912 else if (!strcmp(c->diagset, "HTTP"))
2913 *cp = z_HTTP_errmsg(c->error);
2914 else if (!strcmp(c->diagset, "Bib-1"))
2915 *cp = ZOOM_diag_str(error);
2916 else if (!strcmp(c->diagset, "SRW"))
2917 *cp = yaz_diag_srw_str(c->error);
2919 *cp = "Unknown error and diagnostic set";
2922 *addinfo = c->addinfo ? c->addinfo : "";
2924 *diagset = c->diagset ? c->diagset : "";
2929 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2930 const char **addinfo)
2932 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2935 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2937 ZOOM_Event event = 0;
2938 int r = cs_look(c->cs);
2939 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2944 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2945 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2947 ZOOM_connection_put_event (c, event);
2949 else if (r == CS_CONNECT)
2952 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2954 ret = cs_rcvconnect (c->cs);
2955 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2958 c->mask = ZOOM_SELECT_EXCEPT;
2959 if (c->cs->io_pending & CS_WANT_WRITE)
2960 c->mask += ZOOM_SELECT_WRITE;
2961 if (c->cs->io_pending & CS_WANT_READ)
2962 c->mask += ZOOM_SELECT_READ;
2963 ZOOM_connection_put_event (c, event);
2967 ZOOM_connection_put_event (c, event);
2968 if (c->proto == PROTO_Z3950)
2969 ZOOM_connection_send_init(c);
2972 /* no init request for SRW .. */
2973 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2974 ZOOM_connection_remove_task (c);
2976 ZOOM_connection_exec_task (c);
2978 c->state = STATE_ESTABLISHED;
2982 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2984 ZOOM_connection_put_event (c, event);
2989 if (mask & ZOOM_SELECT_READ)
2991 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2998 ZOOM_connection_last_event(ZOOM_connection cs)
3001 return ZOOM_EVENT_NONE;
3002 return cs->last_event;
3006 ZOOM_event (int no, ZOOM_connection *cs)
3010 struct pollfd pollfds[1024];
3011 ZOOM_connection poll_cs[1024];
3014 fd_set input, output, except;
3019 for (i = 0; i<no; i++)
3021 ZOOM_connection c = cs[i];
3023 if (c && (event = ZOOM_connection_get_event(c)))
3025 ZOOM_Event_destroy (event);
3029 for (i = 0; i<no; i++)
3031 ZOOM_connection c = cs[i];
3033 if (c && ZOOM_connection_exec_task (c))
3035 if ((event = ZOOM_connection_get_event(c)))
3037 ZOOM_Event_destroy (event);
3050 for (i = 0; i<no; i++)
3052 ZOOM_connection c = cs[i];
3058 fd = z3950_connection_socket(c);
3059 mask = z3950_connection_mask(c);
3066 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
3067 if (this_timeout != -1 && this_timeout < timeout)
3068 timeout = this_timeout;
3072 short poll_events = 0;
3074 if (mask & ZOOM_SELECT_READ)
3075 poll_events += POLLIN;
3076 if (mask & ZOOM_SELECT_WRITE)
3077 poll_events += POLLOUT;
3078 if (mask & ZOOM_SELECT_EXCEPT)
3079 poll_events += POLLERR;
3080 pollfds[nfds].fd = fd;
3081 pollfds[nfds].events = poll_events;
3082 pollfds[nfds].revents = 0;
3087 if (mask & ZOOM_SELECT_READ)
3089 FD_SET (fd, &input);
3092 if (mask & ZOOM_SELECT_WRITE)
3094 FD_SET (fd, &output);
3097 if (mask & ZOOM_SELECT_EXCEPT)
3099 FD_SET (fd, &except);
3104 if (timeout >= 5000)
3111 r = poll (pollfds, nfds, timeout * 1000);
3112 for (i = 0; i<nfds; i++)
3114 ZOOM_connection c = poll_cs[i];
3118 if (pollfds[i].revents & POLLIN)
3119 mask += ZOOM_SELECT_READ;
3120 if (pollfds[i].revents & POLLOUT)
3121 mask += ZOOM_SELECT_WRITE;
3122 if (pollfds[i].revents & POLLERR)
3123 mask += ZOOM_SELECT_EXCEPT;
3125 ZOOM_connection_do_io(c, mask);
3127 else if (r == 0 && c->mask)
3129 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3130 /* timeout and this connection was waiting */
3131 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3133 ZOOM_connection_put_event(c, event);
3137 tv.tv_sec = timeout;
3139 yaz_log (LOG_DEBUG, "select start");
3140 r = select (max_fd+1, &input, &output, &except, &tv);
3141 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
3142 for (i = 0; i<no; i++)
3144 ZOOM_connection c = cs[i];
3149 fd = z3950_connection_socket(c);
3153 /* no timeout and real socket */
3154 if (FD_ISSET(fd, &input))
3155 mask += ZOOM_SELECT_READ;
3156 if (FD_ISSET(fd, &output))
3157 mask += ZOOM_SELECT_WRITE;
3158 if (FD_ISSET(fd, &except))
3159 mask += ZOOM_SELECT_EXCEPT;
3161 ZOOM_connection_do_io(c, mask);
3163 if (r == 0 && c->mask)
3165 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3166 /* timeout and this connection was waiting */
3167 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3169 yaz_log (LOG_DEBUG, "timeout");
3170 ZOOM_connection_put_event(c, event);
3174 for (i = 0; i<no; i++)
3176 ZOOM_connection c = cs[i];
3178 if (c && (event = ZOOM_connection_get_event(c)))
3180 ZOOM_Event_destroy (event);