2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.35 2003-05-20 08:22:33 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)
602 if (rc->rec.wrbuf_marc)
603 wrbuf_free (rc->rec.wrbuf_marc, 1);
606 /* remove ourselves from the resultsets in connection */
607 ZOOM_resultset *rp = &r->connection->resultsets;
610 assert (*rp); /* we must be in this list!! */
612 { /* OK, we're here - take us out of it */
619 ZOOM_query_destroy (r->query);
620 ZOOM_options_destroy (r->options);
621 odr_destroy (r->odr);
629 ZOOM_resultset_size (ZOOM_resultset r)
634 static void do_close (ZOOM_connection c)
640 c->state = STATE_IDLE;
643 static void ZOOM_resultset_retrieve (ZOOM_resultset r,
644 int force_sync, int start, int count)
656 if (c->host_port && c->proto == PROTO_HTTP)
660 yaz_log(LOG_DEBUG, "NO COMSTACK");
661 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
665 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
669 task = ZOOM_connection_add_task (c, ZOOM_TASK_RETRIEVE);
670 task->u.retrieve.resultset = r;
671 task->u.retrieve.start = start;
672 task->u.retrieve.count = count;
674 cp = ZOOM_options_get (r->options, "schema");
677 if (!r->schema || strcmp(r->schema, cp))
680 r->schema = xstrdup(cp);
684 ZOOM_resultset_addref (r);
686 if (!r->connection->async || force_sync)
687 while (r->connection && ZOOM_event (1, &r->connection))
692 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
693 size_t start, size_t count)
695 int force_present = 0;
701 ZOOM_resultset_retrieve (r, force_present, start, count);
705 for (i = 0; i< count; i++)
706 recs[i] = ZOOM_resultset_record_immediate (r, i+start);
710 static zoom_ret do_connect (ZOOM_connection c)
713 const char *effective_host;
716 effective_host = c->proxy;
718 effective_host = c->host_port;
720 yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
723 c->cs = cs_create_host (effective_host, 0, &add);
725 if (c->cs && c->cs->protocol == PROTO_HTTP)
728 const char *path = 0;
730 c->proto = PROTO_HTTP;
731 cs_get_host_args(c->host_port, &path);
733 c->path = xmalloc(strlen(path)+2);
735 strcpy (c->path+1, path);
737 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
739 return zoom_complete;
744 int ret = cs_connect (c->cs, add);
747 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
748 ZOOM_connection_put_event(c, event);
749 if (c->proto == PROTO_Z3950)
750 ZOOM_connection_send_init(c);
753 /* no init request for SRW .. */
754 assert (c->tasks->which == ZOOM_TASK_CONNECT);
755 ZOOM_connection_remove_task (c);
757 ZOOM_connection_exec_task (c);
759 c->state = STATE_ESTABLISHED;
764 c->state = STATE_CONNECTING;
765 c->mask = ZOOM_SELECT_EXCEPT;
766 if (c->cs->io_pending & CS_WANT_WRITE)
767 c->mask += ZOOM_SELECT_WRITE;
768 if (c->cs->io_pending & CS_WANT_READ)
769 c->mask += ZOOM_SELECT_READ;
773 c->state = STATE_IDLE;
774 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
775 return zoom_complete;
778 int z3950_connection_socket(ZOOM_connection c)
781 return cs_fileno(c->cs);
785 int z3950_connection_mask(ZOOM_connection c)
792 static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
795 for (i = 0; i<200; i++)
798 Z_OtherInformation **oi;
804 sprintf (buf, "otherInfo%d", i);
805 val = ZOOM_options_get (c->options, buf);
808 cp = strchr (val, ':');
812 if (len >= sizeof(buf))
814 memcpy (buf, val, len);
816 oidval = oid_getvalbyname (buf);
817 if (oidval == VAL_NONE)
821 yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
825 static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
830 Z_OtherInformation **oi;
832 yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
836 Z_OtherInformation **oi;
838 yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
840 otherInfo_attach (c, a, out);
841 if (!z_APDU(out, &a, 0, 0))
843 FILE *outf = fopen("/tmp/apdu.txt", "a");
846 ODR odr_pr = odr_createmem(ODR_PRINT);
847 fprintf (outf, "a=%p\n", a);
848 odr_setprint(odr_pr, outf);
849 z_APDU(odr_pr, &a, 0, 0);
852 yaz_log (LOG_DEBUG, "encoding failed");
853 set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
861 static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
865 if (encode_APDU(c, a, c->odr_out))
866 return zoom_complete;
867 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
868 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
869 ZOOM_connection_put_event (c, event);
870 odr_reset(c->odr_out);
874 /* returns 1 if PDU was sent OK (still pending )
875 0 if PDU was not sent OK (nothing to wait for)
878 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
881 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
882 Z_InitRequest *ireq = apdu->u.initRequest;
883 Z_IdAuthentication *auth = (Z_IdAuthentication *)
884 odr_malloc(c->odr_out, sizeof(*auth));
885 const char *auth_groupId = ZOOM_options_get (c->options, "group");
886 const char *auth_userId = ZOOM_options_get (c->options, "user");
887 const char *auth_password = ZOOM_options_get (c->options, "pass");
889 ODR_MASK_SET(ireq->options, Z_Options_search);
890 ODR_MASK_SET(ireq->options, Z_Options_present);
891 ODR_MASK_SET(ireq->options, Z_Options_scan);
892 ODR_MASK_SET(ireq->options, Z_Options_sort);
893 ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
894 ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
896 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
897 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
898 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
900 impname = ZOOM_options_get (c->options, "implementationName");
901 ireq->implementationName =
902 (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
903 strcpy (ireq->implementationName, "");
906 strcat (ireq->implementationName, impname);
907 strcat (ireq->implementationName, "/");
909 strcat (ireq->implementationName, "ZOOM-C/YAZ");
911 *ireq->maximumRecordSize =
912 ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
913 *ireq->preferredMessageSize =
914 ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
916 if (auth_groupId || auth_password)
918 Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
921 if (auth_groupId && *auth_groupId)
923 pass->groupId = (char *)
924 odr_malloc(c->odr_out, strlen(auth_groupId)+1);
925 strcpy(pass->groupId, auth_groupId);
929 if (auth_userId && *auth_userId)
931 pass->userId = (char *)
932 odr_malloc(c->odr_out, strlen(auth_userId)+1);
933 strcpy(pass->userId, auth_userId);
937 if (auth_password && *auth_password)
939 pass->password = (char *)
940 odr_malloc(c->odr_out, strlen(auth_password)+1);
941 strcpy(pass->password, auth_password);
946 auth->which = Z_IdAuthentication_idPass;
947 auth->u.idPass = pass;
948 ireq->idAuthentication = auth;
951 else if (auth_userId)
953 auth->which = Z_IdAuthentication_open;
954 auth->u.open = (char *)
955 odr_malloc(c->odr_out, strlen(auth_userId)+1);
956 strcpy(auth->u.open, auth_userId);
957 ireq->idAuthentication = auth;
960 yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
961 VAL_PROXY, 1, c->host_port);
962 if (c->charset||c->lang)
964 Z_OtherInformation **oi;
965 Z_OtherInformationUnit *oi_unit;
967 yaz_oi_APDU(apdu, &oi);
969 if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
971 ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
973 oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
974 oi_unit->information.externallyDefinedInfo =
975 yaz_set_proposal_charneg
977 (const char **)&c->charset, (c->charset) ? 1:0,
978 (const char **)&c->lang, (c->lang) ? 1:0, 1);
982 return send_APDU (c, apdu);
986 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_PDU *sr)
989 Z_SOAP_Handler h[2] = {
990 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
993 ODR o = odr_createmem(ODR_ENCODE);
995 Z_SOAP *p = odr_malloc(o, sizeof(*p));
999 gdu = z_get_HTTP_Request(c->odr_out);
1000 gdu->u.HTTP_Request->path = c->path;
1004 const char *cp0 = strstr(c->host_port, "://");
1005 const char *cp1 = 0;
1011 cp1 = strchr(cp0, '/');
1013 cp1 = cp0+strlen(cp0);
1017 char *h = odr_malloc(c->odr_out, cp1 - cp0 + 1);
1018 memcpy (h, cp0, cp1 - cp0);
1020 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1025 strcpy(ctype, "text/xml");
1026 if (c->charset && strlen(c->charset) < 20)
1028 strcat(ctype, "; charset=");
1029 strcat(ctype, c->charset);
1031 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1032 "Content-Type", ctype);
1033 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1034 "SOAPAction", "\"\"");
1035 p->which = Z_SOAP_generic;
1036 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
1037 p->u.generic->no = 0;
1038 p->u.generic->ns = 0;
1039 p->u.generic->p = sr;
1040 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
1042 ret = z_soap_codec_enc(o, &p,
1043 &gdu->u.HTTP_Request->content_buf,
1044 &gdu->u.HTTP_Request->content_len, h,
1047 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1048 return zoom_complete;
1049 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1053 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1054 ZOOM_connection_put_event (c, event);
1055 odr_reset(c->odr_out);
1056 return do_write (c);
1061 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1064 ZOOM_resultset resultset = 0;
1066 const char *recordPacking = 0;
1068 if (c->error) /* don't continue on error */
1069 return zoom_complete;
1071 if (c->tasks->which == ZOOM_TASK_SEARCH)
1073 resultset = c->tasks->u.search.resultset;
1074 resultset->setname = xstrdup ("default");
1075 ZOOM_options_set (resultset->options, "setname", resultset->setname);
1077 else if(c->tasks->which == ZOOM_TASK_RETRIEVE)
1079 resultset = c->tasks->u.retrieve.resultset;
1081 resultset->start = c->tasks->u.retrieve.start;
1082 resultset->count = c->tasks->u.retrieve.count;
1084 if (resultset->start >= resultset->size)
1085 return zoom_complete;
1086 if (resultset->start + resultset->count > resultset->size)
1087 resultset->count = resultset->size - resultset->start;
1089 for (i = 0; i<resultset->count; i++)
1092 record_cache_lookup (resultset, i + resultset->start);
1096 if (i == resultset->count)
1097 return zoom_complete;
1099 assert(resultset->query);
1101 sr = yaz_srw_get(c->odr_out, Z_SRW_searchRetrieve_request);
1103 if (resultset->query->z_query->which == Z_Query_type_104
1104 && resultset->query->z_query->u.type_104->which == Z_External_CQL)
1107 sr->u.request->query_type = Z_SRW_query_type_cql;
1108 sr->u.request->query.cql =resultset->query->z_query->u.type_104->u.cql;
1110 else if (resultset->query->z_query->which == Z_Query_type_1 &&
1111 resultset->query->z_query->u.type_1)
1113 sr->u.request->query_type = Z_SRW_query_type_pqf;
1114 sr->u.request->query.pqf = resultset->query->query_string;
1118 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
1119 return zoom_complete;
1121 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
1122 sr->u.request->maximumRecords = odr_intdup (
1123 c->odr_out, resultset->step>0 ? resultset->step : resultset->count);
1124 sr->u.request->recordSchema = resultset->schema;
1126 recordPacking = ZOOM_resultset_option_get (resultset, "recordPacking");
1129 sr->u.request->recordPacking = odr_strdup(c->odr_out, recordPacking);
1131 return send_srw(c, sr);
1134 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1136 return zoom_complete;
1140 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
1143 int lslb, ssub, mspn;
1145 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
1146 Z_SearchRequest *search_req = apdu->u.searchRequest;
1147 const char *elementSetName;
1148 const char *smallSetElementSetName;
1149 const char *mediumSetElementSetName;
1152 assert (c->tasks->which == ZOOM_TASK_SEARCH);
1154 r = c->tasks->u.search.resultset;
1157 ZOOM_options_get (r->options, "elementSetName");
1158 smallSetElementSetName =
1159 ZOOM_options_get (r->options, "smallSetElementSetName");
1160 mediumSetElementSetName =
1161 ZOOM_options_get (r->options, "mediumSetElementSetName");
1163 if (!smallSetElementSetName)
1164 smallSetElementSetName = elementSetName;
1166 if (!mediumSetElementSetName)
1167 mediumSetElementSetName = elementSetName;
1172 /* prepare query for the search request */
1173 search_req->query = r->query->z_query;
1175 search_req->databaseNames =
1176 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1178 /* get syntax (no need to provide unless piggyback is in effect) */
1179 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1181 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1182 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1183 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1184 if (lslb != -1 && ssub != -1 && mspn != -1)
1186 /* So're a Z39.50 expert? Let's hope you don't do sort */
1187 *search_req->largeSetLowerBound = lslb;
1188 *search_req->smallSetUpperBound = ssub;
1189 *search_req->mediumSetPresentNumber = mspn;
1191 else if (r->start == 0 && r->count > 0
1192 && r->piggyback && !r->r_sort_spec && !r->schema)
1194 /* Regular piggyback - do it unless we're going to do sort */
1195 *search_req->largeSetLowerBound = 2000000000;
1196 *search_req->smallSetUpperBound = 0;
1197 *search_req->mediumSetPresentNumber = r->step>0 ? r->step : r->count;
1198 smallSetElementSetName = 0;
1202 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1203 smallSetElementSetName = 0;
1204 mediumSetElementSetName = 0;
1207 if (smallSetElementSetName && *smallSetElementSetName)
1209 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1210 odr_malloc (c->odr_out, sizeof(*esn));
1212 esn->which = Z_ElementSetNames_generic;
1213 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1214 search_req->smallSetElementSetNames = esn;
1216 if (mediumSetElementSetName && *mediumSetElementSetName)
1218 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1219 odr_malloc (c->odr_out, sizeof(*esn));
1221 esn->which = Z_ElementSetNames_generic;
1222 esn->u.generic = odr_strdup (c->odr_out, mediumSetElementSetName);
1223 search_req->mediumSetElementSetNames = esn;
1226 search_req->preferredRecordSyntax =
1227 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1231 if (c->support_named_resultsets)
1235 /* find the lowest unused ordinal so that we re-use
1236 result sets on the server. */
1237 for (ord = 1; ; ord++)
1240 sprintf (setname, "%d", ord);
1241 for (rp = c->resultsets; rp; rp = rp->next)
1242 if (rp->setname && !strcmp (rp->setname, setname))
1247 r->setname = xstrdup (setname);
1248 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1251 r->setname = xstrdup ("default");
1252 ZOOM_options_set (r->options, "setname", r->setname);
1254 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1255 /* send search request */
1256 return send_APDU (c, apdu);
1259 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1262 Z_DefaultDiagFormat *r;
1267 if (p->which != Z_DiagRec_defaultFormat)
1269 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1272 r = p->u.defaultFormat;
1275 case Z_DefaultDiagFormat_v2Addinfo:
1276 addinfo = r->u.v2Addinfo;
1278 case Z_DefaultDiagFormat_v3Addinfo:
1279 addinfo = r->u.v3Addinfo;
1282 set_dset_error(c, *r->condition,
1283 yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
1287 ZOOM_API(ZOOM_record)
1288 ZOOM_record_clone (ZOOM_record srec)
1295 odr_enc = odr_createmem(ODR_ENCODE);
1296 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1298 buf = odr_getbuf (odr_enc, &size, 0);
1300 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1301 nrec->odr = odr_createmem(ODR_DECODE);
1302 nrec->wrbuf_marc = 0;
1303 odr_setbuf (nrec->odr, buf, size, 0);
1304 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1306 odr_destroy (odr_enc);
1310 ZOOM_API(ZOOM_record)
1311 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1313 return record_cache_lookup (s, pos);
1316 ZOOM_API(ZOOM_record)
1317 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1319 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1323 ZOOM_resultset_retrieve (r, 1, pos, 1);
1324 rec = ZOOM_resultset_record_immediate (r, pos);
1330 ZOOM_record_destroy (ZOOM_record rec)
1334 if (rec->wrbuf_marc)
1335 wrbuf_free (rec->wrbuf_marc, 1);
1336 odr_destroy (rec->odr);
1340 ZOOM_API(const char *)
1341 ZOOM_record_get (ZOOM_record rec, const char *type, int *len)
1343 Z_NamePlusRecord *npr;
1346 *len = 0; /* default return */
1353 if (!strcmp (type, "database"))
1356 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1357 return npr->databaseName;
1359 else if (!strcmp (type, "syntax"))
1361 const char *desc = 0;
1362 if (npr->which == Z_NamePlusRecord_databaseRecord)
1364 Z_External *r = (Z_External *) npr->u.databaseRecord;
1365 oident *ent = oid_getentbyoid(r->direct_reference);
1372 *len = strlen(desc);
1375 else if (!strcmp (type, "render") &&
1376 npr->which == Z_NamePlusRecord_databaseRecord)
1378 Z_External *r = (Z_External *) npr->u.databaseRecord;
1379 oident *ent = oid_getentbyoid(r->direct_reference);
1381 if (r->which == Z_External_sutrs)
1383 if (len) *len = r->u.sutrs->len;
1384 return (const char *) r->u.sutrs->buf;
1386 else if (r->which == Z_External_octet)
1396 case VAL_APPLICATION_XML:
1399 if (!rec->wrbuf_marc)
1400 rec->wrbuf_marc = wrbuf_alloc();
1402 mt = yaz_marc_create();
1403 wrbuf_rewind (rec->wrbuf_marc);
1404 if (yaz_marc_decode_wrbuf (
1405 mt, (const char *) r->u.octet_aligned->buf,
1406 r->u.octet_aligned->len,
1407 rec->wrbuf_marc) > 0)
1410 *len = wrbuf_len(rec->wrbuf_marc);
1411 yaz_marc_destroy(mt);
1412 return wrbuf_buf(rec->wrbuf_marc);
1414 yaz_marc_destroy(mt);
1417 *len = r->u.octet_aligned->len;
1418 return (const char *) r->u.octet_aligned->buf;
1420 else if (r->which == Z_External_grs1)
1422 if (!rec->wrbuf_marc)
1423 rec->wrbuf_marc = wrbuf_alloc();
1424 wrbuf_rewind (rec->wrbuf_marc);
1425 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1427 *len = wrbuf_len(rec->wrbuf_marc);
1428 return wrbuf_buf(rec->wrbuf_marc);
1432 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1433 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1435 Z_External *r = (Z_External *) npr->u.databaseRecord;
1436 oident *ent = oid_getentbyoid(r->direct_reference);
1438 if (r->which == Z_External_sutrs)
1440 if (len) *len = r->u.sutrs->len;
1441 return (const char *) r->u.sutrs->buf;
1443 else if (r->which == Z_External_octet)
1446 int marc_decode_type = YAZ_MARC_MARCXML;
1448 if (!strcmp(type, "oai"))
1449 marc_decode_type = YAZ_MARC_OAIMARC;
1457 case VAL_APPLICATION_XML:
1460 if (!rec->wrbuf_marc)
1461 rec->wrbuf_marc = wrbuf_alloc();
1462 wrbuf_rewind (rec->wrbuf_marc);
1463 mt = yaz_marc_create();
1465 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1466 if (yaz_marc_decode_wrbuf (
1467 mt, (const char *) r->u.octet_aligned->buf,
1468 r->u.octet_aligned->len,
1469 rec->wrbuf_marc) > 0)
1472 *len = wrbuf_len(rec->wrbuf_marc);
1473 yaz_marc_destroy(mt);
1474 return wrbuf_buf(rec->wrbuf_marc);
1476 yaz_marc_destroy(mt);
1478 if (len) *len = r->u.octet_aligned->len;
1479 return (const char *) r->u.octet_aligned->buf;
1481 else if (r->which == Z_External_grs1)
1486 else if (r->which == Z_External_OPAC)
1493 else if (!strcmp (type, "raw"))
1495 if (npr->which == Z_NamePlusRecord_databaseRecord)
1497 Z_External *r = (Z_External *) npr->u.databaseRecord;
1499 if (r->which == Z_External_sutrs)
1501 if (len) *len = r->u.sutrs->len;
1502 return (const char *) r->u.sutrs->buf;
1504 else if (r->which == Z_External_octet)
1506 if (len) *len = r->u.octet_aligned->len;
1507 return (const char *) r->u.octet_aligned->buf;
1509 else /* grs-1, explain, ... */
1512 return (const char *) npr->u.databaseRecord;
1517 else if (!strcmp (type, "ext"))
1519 if (npr->which == Z_NamePlusRecord_databaseRecord)
1520 return (const char *) npr->u.databaseRecord;
1526 static int strcmp_null(const char *v1, const char *v2)
1532 return strcmp(v1, v2);
1535 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr,
1538 ZOOM_record_cache rc;
1539 const char *elementSetName =
1540 ZOOM_resultset_option_get (r, "elementSetName");
1541 const char *syntax =
1542 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1544 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
1545 ZOOM_connection_put_event(r->connection, event);
1547 for (rc = r->record_cache; rc; rc = rc->next)
1551 if (strcmp_null(r->schema, rc->schema))
1553 if (strcmp_null(elementSetName,rc->elementSetName))
1555 if (strcmp_null(syntax, rc->syntax))
1557 /* not destroying rc->npr (it's handled by nmem )*/
1559 /* keeping wrbuf_marc too */
1563 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1566 rc->rec.wrbuf_marc = 0;
1568 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1570 rc->elementSetName = 0;
1573 rc->syntax = odr_strdup (r->odr, syntax);
1578 rc->schema = odr_strdup (r->odr, r->schema);
1583 rc->next = r->record_cache;
1584 r->record_cache = rc;
1587 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1589 ZOOM_record_cache rc;
1590 const char *elementSetName =
1591 ZOOM_resultset_option_get (r, "elementSetName");
1592 const char *syntax =
1593 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1595 for (rc = r->record_cache; rc; rc = rc->next)
1599 if (strcmp_null(r->schema, rc->schema))
1601 if (strcmp_null(elementSetName,rc->elementSetName))
1603 if (strcmp_null(syntax, rc->syntax))
1611 static void handle_records (ZOOM_connection c, Z_Records *sr,
1614 ZOOM_resultset resultset;
1618 switch (c->tasks->which)
1620 case ZOOM_TASK_SEARCH:
1621 resultset = c->tasks->u.search.resultset;
1623 case ZOOM_TASK_RETRIEVE:
1624 resultset = c->tasks->u.retrieve.resultset;
1629 if (sr && sr->which == Z_Records_NSD)
1631 Z_DiagRec dr, *dr_p = &dr;
1632 dr.which = Z_DiagRec_defaultFormat;
1633 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1635 response_diag (c, dr_p);
1637 else if (sr && sr->which == Z_Records_multipleNSD)
1639 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1640 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1642 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1646 if (resultset->count + resultset->start > resultset->size)
1647 resultset->count = resultset->size - resultset->start;
1648 if (resultset->count < 0)
1649 resultset->count = 0;
1650 if (sr && sr->which == Z_Records_DBOSD)
1653 NMEM nmem = odr_extract_mem (c->odr_in);
1654 Z_NamePlusRecordList *p =
1655 sr->u.databaseOrSurDiagnostics;
1656 for (i = 0; i<p->num_records; i++)
1658 record_cache_add (resultset, p->records[i],
1659 i+ resultset->start);
1661 /* transfer our response to search_nmem .. we need it later */
1662 nmem_transfer (resultset->odr->mem, nmem);
1663 nmem_destroy (nmem);
1664 if (present_phase && p->num_records == 0)
1666 /* present response and we didn't get any records! */
1667 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1670 else if (present_phase)
1672 /* present response and we didn't get any records! */
1673 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1678 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1680 handle_records (c, pr->records, 1);
1683 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1685 ZOOM_resultset resultset;
1688 yaz_log (LOG_DEBUG, "got search response");
1690 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1693 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
1694 ZOOM_connection_put_event(c, event);
1696 resultset = c->tasks->u.search.resultset;
1698 resultset->size = *sr->resultCount;
1699 handle_records (c, sr->records, 0);
1702 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1704 if (res->diagnostics && res->num_diagnostics > 0)
1705 response_diag (c, res->diagnostics[0]);
1708 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1710 NMEM nmem = odr_extract_mem (c->odr_in);
1713 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1715 scan = c->tasks->u.scan.scan;
1717 if (res->entries && res->entries->nonsurrogateDiagnostics)
1718 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1719 scan->scan_response = res;
1720 nmem_transfer (scan->odr->mem, nmem);
1722 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1723 if (res->positionOfTerm)
1724 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1725 if (res->scanStatus)
1726 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1727 if (res->numberOfEntriesReturned)
1728 ZOOM_options_set_int (scan->options, "number",
1729 *res->numberOfEntriesReturned);
1730 nmem_destroy (nmem);
1734 static zoom_ret send_sort (ZOOM_connection c)
1736 ZOOM_resultset resultset;
1738 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1739 return zoom_complete;
1741 resultset = c->tasks->u.search.resultset;
1745 resultset->r_sort_spec = 0;
1746 return zoom_complete;
1748 if (resultset->r_sort_spec)
1750 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1751 Z_SortRequest *req = apdu->u.sortRequest;
1753 req->num_inputResultSetNames = 1;
1754 req->inputResultSetNames = (Z_InternationalString **)
1755 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1756 req->inputResultSetNames[0] =
1757 odr_strdup (c->odr_out, resultset->setname);
1758 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1759 req->sortSequence = resultset->r_sort_spec;
1760 resultset->r_sort_spec = 0;
1761 return send_APDU (c, apdu);
1763 return zoom_complete;
1766 static zoom_ret send_present (ZOOM_connection c)
1769 Z_PresentRequest *req = 0;
1771 const char *syntax = 0;
1772 const char *elementSetName = 0;
1773 ZOOM_resultset resultset;
1776 return zoom_complete;
1778 switch (c->tasks->which)
1780 case ZOOM_TASK_SEARCH:
1781 resultset = c->tasks->u.search.resultset;
1783 case ZOOM_TASK_RETRIEVE:
1784 resultset = c->tasks->u.retrieve.resultset;
1785 resultset->start = c->tasks->u.retrieve.start;
1786 resultset->count = c->tasks->u.retrieve.count;
1788 if (resultset->start >= resultset->size)
1789 return zoom_complete;
1790 if (resultset->start + resultset->count > resultset->size)
1791 resultset->count = resultset->size - resultset->start;
1794 return zoom_complete;
1797 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1798 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1800 if (c->error) /* don't continue on error */
1801 return zoom_complete;
1802 if (resultset->start < 0)
1803 return zoom_complete;
1804 for (i = 0; i<resultset->count; i++)
1807 record_cache_lookup (resultset, i + resultset->start);
1811 if (i == resultset->count)
1812 return zoom_complete;
1814 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1815 req = apdu->u.presentRequest;
1817 resultset->start += i;
1818 resultset->count -= i;
1819 *req->resultSetStartPoint = resultset->start + 1;
1820 *req->numberOfRecordsRequested = resultset->step>0 ?
1821 resultset->step : resultset->count;
1822 assert (*req->numberOfRecordsRequested > 0);
1824 if (syntax && *syntax)
1825 req->preferredRecordSyntax =
1826 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1828 if (resultset->schema && *resultset->schema)
1830 Z_RecordComposition *compo = (Z_RecordComposition *)
1831 odr_malloc (c->odr_out, sizeof(*compo));
1833 req->recordComposition = compo;
1834 compo->which = Z_RecordComp_complex;
1835 compo->u.complex = (Z_CompSpec *)
1836 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1837 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1838 odr_malloc(c->odr_out, sizeof(bool_t));
1839 *compo->u.complex->selectAlternativeSyntax = 0;
1841 compo->u.complex->generic = (Z_Specification *)
1842 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1844 compo->u.complex->generic->which = Z_Schema_oid;
1845 compo->u.complex->generic->schema.oid = (Odr_oid *)
1846 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, resultset->schema);
1848 if (!compo->u.complex->generic->schema.oid)
1850 /* OID wasn't a schema! Try record syntax instead. */
1852 compo->u.complex->generic->schema.oid = (Odr_oid *)
1853 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
1855 if (elementSetName && *elementSetName)
1857 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
1858 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
1859 compo->u.complex->generic->elementSpec->which =
1860 Z_ElementSpec_elementSetName;
1861 compo->u.complex->generic->elementSpec->u.elementSetName =
1862 odr_strdup (c->odr_out, elementSetName);
1865 compo->u.complex->generic->elementSpec = 0;
1866 compo->u.complex->num_dbSpecific = 0;
1867 compo->u.complex->dbSpecific = 0;
1868 compo->u.complex->num_recordSyntax = 0;
1869 compo->u.complex->recordSyntax = 0;
1871 else if (elementSetName && *elementSetName)
1873 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1874 odr_malloc (c->odr_out, sizeof(*esn));
1875 Z_RecordComposition *compo = (Z_RecordComposition *)
1876 odr_malloc (c->odr_out, sizeof(*compo));
1878 esn->which = Z_ElementSetNames_generic;
1879 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
1880 compo->which = Z_RecordComp_simple;
1881 compo->u.simple = esn;
1882 req->recordComposition = compo;
1884 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
1885 return send_APDU (c, apdu);
1888 ZOOM_API(ZOOM_scanset)
1889 ZOOM_connection_scan (ZOOM_connection c, const char *start)
1891 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
1893 scan->connection = c;
1894 scan->odr = odr_createmem (ODR_DECODE);
1895 scan->options = ZOOM_options_create_with_parent (c->options);
1897 scan->scan_response = 0;
1899 if ((scan->termListAndStartPoint =
1900 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
1903 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
1904 task->u.scan.scan = scan;
1909 while (ZOOM_event (1, &c))
1917 ZOOM_scanset_destroy (ZOOM_scanset scan)
1922 if (scan->refcount == 0)
1924 odr_destroy (scan->odr);
1926 ZOOM_options_destroy (scan->options);
1931 static zoom_ret send_package (ZOOM_connection c)
1935 return zoom_complete;
1936 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1938 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1939 ZOOM_connection_put_event (c, event);
1941 return do_write_ex (c, c->tasks->u.package->buf_out,
1942 c->tasks->u.package->len_out);
1945 static zoom_ret send_scan (ZOOM_connection c)
1948 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
1949 Z_ScanRequest *req = apdu->u.scanRequest;
1951 return zoom_complete;
1952 assert (c->tasks->which == ZOOM_TASK_SCAN);
1953 scan = c->tasks->u.scan.scan;
1955 req->termListAndStartPoint = scan->termListAndStartPoint;
1956 req->attributeSet = scan->attributeSet;
1958 *req->numberOfTermsRequested =
1959 ZOOM_options_get_int(scan->options, "number", 10);
1961 req->preferredPositionInResponse =
1962 odr_intdup (c->odr_out,
1963 ZOOM_options_get_int(scan->options, "position", 1));
1966 odr_intdup (c->odr_out,
1967 ZOOM_options_get_int(scan->options, "stepSize", 0));
1969 req->databaseNames = set_DatabaseNames (c, scan->options,
1970 &req->num_databaseNames);
1972 return send_APDU (c, apdu);
1976 ZOOM_scanset_size (ZOOM_scanset scan)
1978 if (!scan || !scan->scan_response || !scan->scan_response->entries)
1980 return scan->scan_response->entries->num_entries;
1983 ZOOM_API(const char *)
1984 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
1987 const char *term = 0;
1988 size_t noent = ZOOM_scanset_size (scan);
1989 Z_ScanResponse *res = scan->scan_response;
1995 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1997 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1999 if (t->term->which == Z_Term_general)
2001 term = (const char *) t->term->u.general->buf;
2002 *len = t->term->u.general->len;
2004 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
2009 ZOOM_API(const char *)
2010 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
2012 return ZOOM_options_get (scan->options, key);
2016 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
2019 ZOOM_options_set (scan->options, key, val);
2022 static Z_APDU *create_es_package (ZOOM_package p, int type)
2025 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
2026 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
2028 *req->function = Z_ExtendedServicesRequest_create;
2030 str = ZOOM_options_get(p->options, "package-name");
2032 req->packageName = nmem_strdup (p->odr_out->mem, str);
2034 str = ZOOM_options_get(p->options, "user-id");
2036 req->userId = nmem_strdup (p->odr_out->mem, str);
2038 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2041 str = ZOOM_options_get(p->options, "function");
2044 if (!strcmp (str, "create"))
2046 if (!strcmp (str, "delete"))
2048 if (!strcmp (str, "modify"))
2054 static const char *ill_array_lookup (void *clientData, const char *idx)
2056 ZOOM_package p = (ZOOM_package) clientData;
2057 return ZOOM_options_get (p->options, idx+4);
2060 static Z_External *encode_ill_request (ZOOM_package p)
2062 ODR out = p->odr_out;
2065 struct ill_get_ctl ctl;
2067 ctl.odr = p->odr_out;
2069 ctl.f = ill_array_lookup;
2071 req = ill_get_ILLRequest(&ctl, "ill", 0);
2073 if (!ill_Request (out, &req, 0, 0))
2075 int ill_request_size;
2076 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
2077 if (ill_request_buf)
2078 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
2084 int illRequest_size = 0;
2085 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
2087 oid.proto = PROTO_GENERAL;
2088 oid.oclass = CLASS_GENERAL;
2089 oid.value = VAL_ISO_ILL_1;
2091 r = (Z_External *) odr_malloc (out, sizeof(*r));
2092 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
2093 r->indirect_reference = 0;
2095 r->which = Z_External_single;
2097 r->u.single_ASN1_type = (Odr_oct *)
2098 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
2099 r->u.single_ASN1_type->buf = (unsigned char*)
2100 odr_malloc (out, illRequest_size);
2101 r->u.single_ASN1_type->len = illRequest_size;
2102 r->u.single_ASN1_type->size = illRequest_size;
2103 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
2108 static Z_ItemOrder *encode_item_order(ZOOM_package p)
2110 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
2113 req->which=Z_IOItemOrder_esRequest;
2114 req->u.esRequest = (Z_IORequest *)
2115 odr_malloc(p->odr_out,sizeof(Z_IORequest));
2117 /* to keep part ... */
2118 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
2119 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
2120 req->u.esRequest->toKeep->supplDescription = 0;
2121 req->u.esRequest->toKeep->contact = (Z_IOContact *)
2122 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
2124 str = ZOOM_options_get(p->options, "contact-name");
2125 req->u.esRequest->toKeep->contact->name = str ?
2126 nmem_strdup (p->odr_out->mem, str) : 0;
2128 str = ZOOM_options_get(p->options, "contact-phone");
2129 req->u.esRequest->toKeep->contact->phone = str ?
2130 nmem_strdup (p->odr_out->mem, str) : 0;
2132 str = ZOOM_options_get(p->options, "contact-email");
2133 req->u.esRequest->toKeep->contact->email = str ?
2134 nmem_strdup (p->odr_out->mem, str) : 0;
2136 req->u.esRequest->toKeep->addlBilling = 0;
2138 /* not to keep part ... */
2139 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
2140 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
2142 str = ZOOM_options_get(p->options, "itemorder-setname");
2147 req->u.esRequest->notToKeep->resultSetItem = 0;
2150 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
2151 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
2153 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
2154 nmem_strdup (p->odr_out->mem, str);
2155 req->u.esRequest->notToKeep->resultSetItem->item =
2156 (int *) odr_malloc(p->odr_out, sizeof(int));
2158 str = ZOOM_options_get(p->options, "itemorder-item");
2159 *req->u.esRequest->notToKeep->resultSetItem->item =
2160 (str ? atoi(str) : 1);
2162 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
2168 ZOOM_package_send (ZOOM_package p, const char *type)
2175 odr_reset (p->odr_out);
2178 if (!strcmp(type, "itemorder"))
2181 apdu = create_es_package (p, VAL_ITEMORDER);
2184 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2186 r->direct_reference =
2187 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2190 r->which = Z_External_itemOrder;
2191 r->indirect_reference = 0;
2192 r->u.itemOrder = encode_item_order (p);
2194 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2199 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2203 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2204 task->u.package = p;
2205 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2206 p->buf_out = (char *) xmalloc (p->len_out);
2207 memcpy (p->buf_out, buf, p->len_out);
2212 while (ZOOM_event (1, &c))
2219 ZOOM_API(ZOOM_package)
2220 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2222 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2225 p->odr_out = odr_createmem (ODR_ENCODE);
2226 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2234 ZOOM_package_destroy(ZOOM_package p)
2239 if (p->refcount == 0)
2241 odr_destroy (p->odr_out);
2244 ZOOM_options_destroy (p->options);
2249 ZOOM_API(const char *)
2250 ZOOM_package_option_get (ZOOM_package p, const char *key)
2252 return ZOOM_options_get (p->options, key);
2257 ZOOM_package_option_set (ZOOM_package p, const char *key,
2260 ZOOM_options_set (p->options, key, val);
2263 static int ZOOM_connection_exec_task (ZOOM_connection c)
2265 ZOOM_task task = c->tasks;
2266 zoom_ret ret = zoom_complete;
2270 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2273 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2274 task->which, task->running);
2275 if (c->error != ZOOM_ERROR_NONE)
2277 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2278 ZOOM_connection_remove_tasks (c);
2283 yaz_log (LOG_DEBUG, "task already running");
2287 ret = zoom_complete;
2288 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2290 switch (task->which)
2292 case ZOOM_TASK_SEARCH:
2293 if (c->proto == PROTO_HTTP)
2294 ret = ZOOM_connection_srw_send_search(c);
2296 ret = ZOOM_connection_send_search(c);
2298 case ZOOM_TASK_RETRIEVE:
2299 if (c->proto == PROTO_HTTP)
2300 ret = ZOOM_connection_srw_send_search(c);
2302 ret = send_present (c);
2304 case ZOOM_TASK_CONNECT:
2305 ret = do_connect(c);
2307 case ZOOM_TASK_SCAN:
2310 case ZOOM_TASK_PACKAGE:
2311 ret = send_package(c);
2317 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2318 ZOOM_connection_remove_tasks (c);
2320 if (ret == zoom_complete)
2322 yaz_log (LOG_DEBUG, "task removed (complete)");
2323 ZOOM_connection_remove_task (c);
2326 yaz_log (LOG_DEBUG, "task pending");
2330 static zoom_ret send_sort_present (ZOOM_connection c)
2332 zoom_ret r = send_sort (c);
2333 if (r == zoom_complete)
2334 r = send_present (c);
2338 static int es_response (ZOOM_connection c,
2339 Z_ExtendedServicesResponse *res)
2341 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2343 if (res->diagnostics && res->num_diagnostics > 0)
2344 response_diag(c, res->diagnostics[0]);
2345 if (res->taskPackage &&
2346 res->taskPackage->which == Z_External_extendedService)
2348 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2349 Odr_oct *id = taskPackage->targetReference;
2352 ZOOM_options_setl (c->tasks->u.package->options,
2353 "targetReference", (char*) id->buf, id->len);
2359 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2361 Z_InitResponse *initrs;
2364 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2367 case Z_APDU_initResponse:
2368 initrs = apdu->u.initResponse;
2369 ZOOM_connection_option_set(c, "targetImplementationId",
2370 initrs->implementationId ?
2371 initrs->implementationId : "");
2372 ZOOM_connection_option_set(c, "targetImplementationName",
2373 initrs->implementationName ?
2374 initrs->implementationName : "");
2375 ZOOM_connection_option_set(c, "targetImplementationVersion",
2376 initrs->implementationVersion ?
2377 initrs->implementationVersion : "");
2378 if (!*initrs->result)
2380 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2385 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2387 xfree (c->cookie_in);
2390 c->cookie_in = xstrdup(cookie);
2391 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2392 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2393 c->support_named_resultsets = 1;
2396 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2397 ZOOM_connection_remove_task (c);
2399 ZOOM_connection_exec_task (c);
2401 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2403 NMEM tmpmem = nmem_create();
2404 Z_CharSetandLanguageNegotiation *p =
2405 yaz_get_charneg_record(initrs->otherInfo);
2409 char *charset=NULL, *lang=NULL;
2412 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2413 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2414 "language %s, select %d",
2415 charset ? charset : "none", lang ? lang : "none", sel);
2417 ZOOM_connection_option_set (c, "negotiation-charset",
2420 ZOOM_connection_option_set (c, "negotiation-lang",
2422 nmem_destroy(tmpmem);
2426 case Z_APDU_searchResponse:
2427 handle_search_response (c, apdu->u.searchResponse);
2428 if (send_sort_present (c) == zoom_complete)
2429 ZOOM_connection_remove_task (c);
2431 case Z_APDU_presentResponse:
2432 handle_present_response (c, apdu->u.presentResponse);
2433 if (send_present (c) == zoom_complete)
2434 ZOOM_connection_remove_task (c);
2436 case Z_APDU_sortResponse:
2437 sort_response (c, apdu->u.sortResponse);
2438 if (send_present (c) == zoom_complete)
2439 ZOOM_connection_remove_task (c);
2441 case Z_APDU_scanResponse:
2442 scan_response (c, apdu->u.scanResponse);
2443 ZOOM_connection_remove_task (c);
2445 case Z_APDU_extendedServicesResponse:
2446 es_response (c, apdu->u.extendedServicesResponse);
2447 ZOOM_connection_remove_task (c);
2450 if (c->reconnect_ok)
2453 c->tasks->running = 0;
2454 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2458 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2463 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2469 static void handle_srw_response(ZOOM_connection c,
2470 Z_SRW_searchRetrieveResponse *res)
2472 ZOOM_resultset resultset = 0;
2480 if (c->tasks->which == ZOOM_TASK_SEARCH)
2481 resultset = c->tasks->u.search.resultset;
2482 else if (c->tasks->which == ZOOM_TASK_RETRIEVE)
2483 resultset = c->tasks->u.retrieve.resultset;
2487 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
2488 ZOOM_connection_put_event(c, event);
2490 resultset->size = 0;
2492 yaz_log(LOG_DEBUG, "got SRW response OK");
2494 if (res->numberOfRecords)
2495 resultset->size = *res->numberOfRecords;
2497 for (i = 0; i<res->num_records; i++)
2501 Z_NamePlusRecord *npr = (Z_NamePlusRecord *)
2502 odr_malloc(c->odr_in, sizeof(Z_NamePlusRecord));
2504 if (res->records[i].recordPosition &&
2505 *res->records[i].recordPosition > 0)
2506 pos = *res->records[i].recordPosition - 1;
2508 pos = resultset->start + i;
2510 npr->databaseName = 0;
2511 npr->which = Z_NamePlusRecord_databaseRecord;
2512 npr->u.databaseRecord = (Z_External *)
2513 odr_malloc(c->odr_in, sizeof(Z_External));
2514 npr->u.databaseRecord->descriptor = 0;
2515 npr->u.databaseRecord->direct_reference =
2516 yaz_oidval_to_z3950oid(c->odr_in, CLASS_RECSYN, VAL_TEXT_XML);
2517 npr->u.databaseRecord->which = Z_External_octet;
2518 npr->u.databaseRecord->u.octet_aligned = (Odr_oct *)
2519 odr_malloc(c->odr_in, sizeof(Odr_oct));
2520 npr->u.databaseRecord->u.octet_aligned->buf =
2521 res->records[i].recordData_buf;
2522 npr->u.databaseRecord->u.octet_aligned->len =
2523 npr->u.databaseRecord->u.octet_aligned->size =
2524 res->records[i].recordData_len;
2525 record_cache_add (resultset, npr, pos);
2527 if (res->num_diagnostics > 0)
2529 set_dset_error(c, *res->diagnostics[0].code, "SRW",
2530 res->diagnostics[0].details, 0);
2532 nmem = odr_extract_mem(c->odr_in);
2533 nmem_transfer(resultset->odr->mem, nmem);
2539 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2542 const char *content_type = z_HTTP_header_lookup(hres->headers,
2544 const char *connection_head = z_HTTP_header_lookup(hres->headers,
2547 yaz_log (LOG_DEBUG, "handle_http");
2549 if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
2551 Z_SOAP *soap_package = 0;
2552 ODR o = odr_createmem(ODR_DECODE);
2553 Z_SOAP_Handler soap_handlers[2] = {
2554 {"http://www.loc.gov/zing/srw/v1.0/", 0,
2555 (Z_SOAP_fun) yaz_srw_codec},
2558 ret = z_soap_codec(o, &soap_package,
2559 &hres->content_buf, &hres->content_len,
2561 if (!ret && soap_package->which == Z_SOAP_generic &&
2562 soap_package->u.generic->no == 0)
2564 Z_SRW_PDU *sr = soap_package->u.generic->p;
2565 if (sr->which == Z_SRW_searchRetrieve_response)
2566 handle_srw_response(c, sr->u.response);
2570 else if (!ret && (soap_package->which == Z_SOAP_fault
2571 || soap_package->which == Z_SOAP_error))
2573 set_HTTP_error(c, hres->code,
2574 soap_package->u.fault->fault_code,
2575 soap_package->u.fault->fault_string);
2583 if (hres->code != 200)
2584 set_HTTP_error(c, hres->code, 0, 0);
2586 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2589 ZOOM_connection_remove_task(c);
2590 if (!strcmp(hres->version, "1.0"))
2592 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
2593 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
2598 /* HTTP 1.1: only if no close we stay alive .. */
2599 if (connection_head && !strcmp(connection_head, "close"))
2605 static int do_read (ZOOM_connection c)
2610 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2611 ZOOM_connection_put_event (c, event);
2613 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2615 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2620 if (c->reconnect_ok)
2623 c->reconnect_ok = 0;
2624 yaz_log (LOG_DEBUG, "reconnect read");
2625 c->tasks->running = 0;
2626 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2630 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2639 odr_reset (c->odr_in);
2640 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2641 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2642 ZOOM_connection_put_event (c, event);
2644 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2646 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2649 else if (gdu->which == Z_GDU_Z3950)
2650 handle_apdu (c, gdu->u.z3950);
2651 else if (gdu->which == Z_GDU_HTTP_Response)
2654 handle_http (c, gdu->u.HTTP_Response);
2656 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2660 c->reconnect_ok = 0;
2665 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2670 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2671 ZOOM_connection_put_event (c, event);
2673 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2674 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2676 if (c->reconnect_ok)
2679 c->reconnect_ok = 0;
2680 yaz_log (LOG_DEBUG, "reconnect write");
2681 c->tasks->running = 0;
2682 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2683 return zoom_pending;
2685 if (c->state == STATE_CONNECTING)
2686 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2688 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2690 return zoom_complete;
2694 c->mask = ZOOM_SELECT_EXCEPT;
2695 if (c->cs->io_pending & CS_WANT_WRITE)
2696 c->mask += ZOOM_SELECT_WRITE;
2697 if (c->cs->io_pending & CS_WANT_READ)
2698 c->mask += ZOOM_SELECT_READ;
2699 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2703 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2704 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2706 return zoom_pending;
2709 static zoom_ret do_write(ZOOM_connection c)
2711 return do_write_ex (c, c->buf_out, c->len_out);
2715 ZOOM_API(const char *)
2716 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2718 return ZOOM_options_get (c->options, key);
2722 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2725 ZOOM_options_set (c->options, key, val);
2728 ZOOM_API(const char *)
2729 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2731 return ZOOM_options_get (r->options, key);
2735 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2738 ZOOM_options_set (r->options, key, val);
2743 ZOOM_connection_errcode (ZOOM_connection c)
2745 return ZOOM_connection_error (c, 0, 0);
2748 ZOOM_API(const char *)
2749 ZOOM_connection_errmsg (ZOOM_connection c)
2752 ZOOM_connection_error (c, &msg, 0);
2756 ZOOM_API(const char *)
2757 ZOOM_connection_addinfo (ZOOM_connection c)
2759 const char *addinfo;
2760 ZOOM_connection_error (c, 0, &addinfo);
2764 ZOOM_API(const char *)
2765 ZOOM_diag_str (int error)
2769 case ZOOM_ERROR_NONE:
2771 case ZOOM_ERROR_CONNECT:
2772 return "Connect failed";
2773 case ZOOM_ERROR_MEMORY:
2774 return "Out of memory";
2775 case ZOOM_ERROR_ENCODE:
2776 return "Encoding failed";
2777 case ZOOM_ERROR_DECODE:
2778 return "Decoding failed";
2779 case ZOOM_ERROR_CONNECTION_LOST:
2780 return "Connection lost";
2781 case ZOOM_ERROR_INIT:
2782 return "Init rejected";
2783 case ZOOM_ERROR_INTERNAL:
2784 return "Internal failure";
2785 case ZOOM_ERROR_TIMEOUT:
2787 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2788 return "Unsupported protocol";
2789 case ZOOM_ERROR_UNSUPPORTED_QUERY:
2790 return "Unsupported query type";
2792 return diagbib1_str (error);
2797 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2798 const char **addinfo, const char **diagset)
2800 int error = c->error;
2803 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
2804 *cp = ZOOM_diag_str(error);
2805 else if (!strcmp(c->diagset, "HTTP"))
2806 *cp = z_HTTP_errmsg(c->error);
2807 else if (!strcmp(c->diagset, "Bib-1"))
2808 *cp = ZOOM_diag_str(error);
2809 else if (!strcmp(c->diagset, "SRW"))
2810 *cp = yaz_diag_srw_str(c->error);
2812 *cp = "Unknown error and diagnostic set";
2815 *addinfo = c->addinfo ? c->addinfo : "";
2817 *diagset = c->diagset ? c->diagset : "";
2822 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2823 const char **addinfo)
2825 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2828 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2830 ZOOM_Event event = 0;
2831 int r = cs_look(c->cs);
2832 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2837 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2838 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2840 ZOOM_connection_put_event (c, event);
2842 else if (r == CS_CONNECT)
2845 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2847 ret = cs_rcvconnect (c->cs);
2848 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2851 c->mask = ZOOM_SELECT_EXCEPT;
2852 if (c->cs->io_pending & CS_WANT_WRITE)
2853 c->mask += ZOOM_SELECT_WRITE;
2854 if (c->cs->io_pending & CS_WANT_READ)
2855 c->mask += ZOOM_SELECT_READ;
2856 ZOOM_connection_put_event (c, event);
2860 ZOOM_connection_put_event (c, event);
2861 if (c->proto == PROTO_Z3950)
2862 ZOOM_connection_send_init(c);
2865 /* no init request for SRW .. */
2866 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2867 ZOOM_connection_remove_task (c);
2869 ZOOM_connection_exec_task (c);
2871 c->state = STATE_ESTABLISHED;
2875 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2877 ZOOM_connection_put_event (c, event);
2882 if (mask & ZOOM_SELECT_READ)
2884 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2891 ZOOM_connection_last_event(ZOOM_connection cs)
2894 return ZOOM_EVENT_NONE;
2895 return cs->last_event;
2899 ZOOM_event (int no, ZOOM_connection *cs)
2903 struct pollfd pollfds[1024];
2904 ZOOM_connection poll_cs[1024];
2907 fd_set input, output, except;
2912 for (i = 0; i<no; i++)
2914 ZOOM_connection c = cs[i];
2916 if (c && (event = ZOOM_connection_get_event(c)))
2918 ZOOM_Event_destroy (event);
2922 for (i = 0; i<no; i++)
2924 ZOOM_connection c = cs[i];
2926 if (c && ZOOM_connection_exec_task (c))
2928 if ((event = ZOOM_connection_get_event(c)))
2930 ZOOM_Event_destroy (event);
2943 for (i = 0; i<no; i++)
2945 ZOOM_connection c = cs[i];
2951 fd = z3950_connection_socket(c);
2952 mask = z3950_connection_mask(c);
2959 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
2960 if (this_timeout != -1 && this_timeout < timeout)
2961 timeout = this_timeout;
2965 short poll_events = 0;
2967 if (mask & ZOOM_SELECT_READ)
2968 poll_events += POLLIN;
2969 if (mask & ZOOM_SELECT_WRITE)
2970 poll_events += POLLOUT;
2971 if (mask & ZOOM_SELECT_EXCEPT)
2972 poll_events += POLLERR;
2973 pollfds[nfds].fd = fd;
2974 pollfds[nfds].events = poll_events;
2975 pollfds[nfds].revents = 0;
2980 if (mask & ZOOM_SELECT_READ)
2982 FD_SET (fd, &input);
2985 if (mask & ZOOM_SELECT_WRITE)
2987 FD_SET (fd, &output);
2990 if (mask & ZOOM_SELECT_EXCEPT)
2992 FD_SET (fd, &except);
2997 if (timeout >= 5000)
3004 r = poll (pollfds, nfds, timeout * 1000);
3005 for (i = 0; i<nfds; i++)
3007 ZOOM_connection c = poll_cs[i];
3011 if (pollfds[i].revents & POLLIN)
3012 mask += ZOOM_SELECT_READ;
3013 if (pollfds[i].revents & POLLOUT)
3014 mask += ZOOM_SELECT_WRITE;
3015 if (pollfds[i].revents & POLLERR)
3016 mask += ZOOM_SELECT_EXCEPT;
3018 ZOOM_connection_do_io(c, mask);
3020 else if (r == 0 && c->mask)
3022 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3023 /* timeout and this connection was waiting */
3024 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3026 ZOOM_connection_put_event(c, event);
3030 tv.tv_sec = timeout;
3032 yaz_log (LOG_DEBUG, "select start");
3033 r = select (max_fd+1, &input, &output, &except, &tv);
3034 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
3035 for (i = 0; i<no; i++)
3037 ZOOM_connection c = cs[i];
3042 fd = z3950_connection_socket(c);
3046 /* no timeout and real socket */
3047 if (FD_ISSET(fd, &input))
3048 mask += ZOOM_SELECT_READ;
3049 if (FD_ISSET(fd, &output))
3050 mask += ZOOM_SELECT_WRITE;
3051 if (FD_ISSET(fd, &except))
3052 mask += ZOOM_SELECT_EXCEPT;
3054 ZOOM_connection_do_io(c, mask);
3056 if (r == 0 && c->mask)
3058 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3059 /* timeout and this connection was waiting */
3060 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3062 yaz_log (LOG_DEBUG, "timeout");
3063 ZOOM_connection_put_event(c, event);
3067 for (i = 0; i<no; i++)
3069 ZOOM_connection c = cs[i];
3071 if (c && (event = ZOOM_connection_get_event(c)))
3073 ZOOM_Event_destroy (event);