2 * Copyright (c) 2000-2003, Index Data
3 * See the file LICENSE for details.
5 * $Id: zoom-c.c,v 1.33 2003-04-29 21:20:34 adam Exp $
7 * ZOOM layer for C, connections, result sets, queries.
13 #include <yaz/yaz-util.h>
14 #include <yaz/xmalloc.h>
15 #include <yaz/otherinfo.h>
17 #include <yaz/pquery.h>
18 #include <yaz/marcdisp.h>
19 #include <yaz/diagbib1.h>
20 #include <yaz/charneg.h>
33 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c);
34 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out);
36 static ZOOM_Event ZOOM_Event_create (int kind)
38 ZOOM_Event event = (ZOOM_Event) xmalloc (sizeof(*event));
45 static void ZOOM_Event_destroy (ZOOM_Event event)
50 static void ZOOM_connection_put_event (ZOOM_connection c, ZOOM_Event event)
54 c->m_queue_back->prev = event;
55 assert (c->m_queue_front);
59 assert (!c->m_queue_front);
60 c->m_queue_front = event;
62 event->next = c->m_queue_back;
64 c->m_queue_back = event;
67 static ZOOM_Event ZOOM_connection_get_event(ZOOM_connection c)
69 ZOOM_Event event = c->m_queue_front;
72 assert (c->m_queue_back);
73 c->m_queue_front = event->prev;
76 assert (c->m_queue_back);
77 c->m_queue_front->next = 0;
81 c->last_event = event->kind;
86 static void set_dset_error (ZOOM_connection c, int error,
88 const char *addinfo, const char *addinfo2)
94 if (addinfo && addinfo2)
96 c->addinfo = xmalloc(strlen(addinfo) + strlen(addinfo2) + 2);
97 strcpy(c->addinfo, addinfo);
98 strcat(c->addinfo, addinfo2);
101 c->addinfo = xstrdup(addinfo);
103 yaz_log(LOG_DEBUG, "Error %s %s:%d %s %s",
104 c->host_port ? c->host_port : "<>", dset, error,
105 addinfo ? addinfo : "",
106 addinfo2 ? addinfo2 : "");
110 static void set_HTTP_error (ZOOM_connection c, int error,
111 const char *addinfo, const char *addinfo2)
113 set_dset_error(c, error, "HTTP", addinfo, addinfo2);
117 static void set_ZOOM_error (ZOOM_connection c, int error,
120 set_dset_error(c, error, "ZOOM", addinfo, 0);
123 static void clear_error (ZOOM_connection c)
128 case ZOOM_ERROR_CONNECT:
129 case ZOOM_ERROR_MEMORY:
130 case ZOOM_ERROR_DECODE:
131 case ZOOM_ERROR_CONNECTION_LOST:
132 case ZOOM_ERROR_INIT:
133 case ZOOM_ERROR_INTERNAL:
134 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
137 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
141 ZOOM_task ZOOM_connection_add_task (ZOOM_connection c, int which)
143 ZOOM_task *taskp = &c->tasks;
145 taskp = &(*taskp)->next;
146 *taskp = (ZOOM_task) xmalloc (sizeof(**taskp));
147 (*taskp)->running = 0;
148 (*taskp)->which = which;
154 ZOOM_task ZOOM_connection_insert_task (ZOOM_connection c, int which)
156 ZOOM_task task = (ZOOM_task) xmalloc (sizeof(*task));
158 task->next = c->tasks;
167 void ZOOM_connection_remove_task (ZOOM_connection c)
169 ZOOM_task task = c->tasks;
173 c->tasks = task->next;
176 case ZOOM_TASK_SEARCH:
178 ZOOM_resultset_destroy (task->u.search.resultset);
180 case ZOOM_TASK_RETRIEVE:
181 ZOOM_resultset_destroy (task->u.retrieve.resultset);
183 case ZOOM_TASK_CONNECT:
186 ZOOM_scanset_destroy (task->u.scan.scan);
188 case ZOOM_TASK_PACKAGE:
189 ZOOM_package_destroy (task->u.package);
198 static int ZOOM_connection_exec_task (ZOOM_connection c);
200 void ZOOM_connection_remove_tasks (ZOOM_connection c)
203 ZOOM_connection_remove_task(c);
206 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos);
208 ZOOM_API(ZOOM_connection)
209 ZOOM_connection_create (ZOOM_options options)
211 ZOOM_connection c = (ZOOM_connection) xmalloc (sizeof(*c));
213 c->proto = PROTO_Z3950;
217 c->state = STATE_IDLE;
219 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
226 c->options = ZOOM_options_create_with_parent(options);
232 c->charset = c->lang = 0;
239 c->odr_in = odr_createmem (ODR_DECODE);
240 c->odr_out = odr_createmem (ODR_ENCODE);
243 c->support_named_resultsets = 0;
244 c->last_event = ZOOM_EVENT_NONE;
246 c->m_queue_front = 0;
251 /* set database names. Take local databases (if set); otherwise
252 take databases given in ZURL (if set); otherwise use Default */
253 static char **set_DatabaseNames (ZOOM_connection con, ZOOM_options options,
256 char **databaseNames;
259 const char *cp = ZOOM_options_get (options, "databaseName");
263 if (strncmp (con->host_port, "unix:", 5) == 0)
264 cp = strchr (con->host_port+5, ':');
266 cp = strchr (con->host_port, '/');
273 while ((c = strchr(c, '+')))
281 databaseNames = (char**)
282 odr_malloc (con->odr_out, no * sizeof(*databaseNames));
286 c = strchr (cp, '+');
294 /* cp ptr to first char of db name, c is char
296 databaseNames[no] = (char*) odr_malloc (con->odr_out, 1+c-cp);
297 memcpy (databaseNames[no], cp, c-cp);
298 databaseNames[no++][c-cp] = '\0';
303 databaseNames[no] = NULL;
305 return databaseNames;
308 ZOOM_API(ZOOM_connection)
309 ZOOM_connection_new (const char *host, int portnum)
311 ZOOM_connection c = ZOOM_connection_create (0);
313 ZOOM_connection_connect (c, host, portnum);
318 ZOOM_connection_connect(ZOOM_connection c,
319 const char *host, int portnum)
326 yaz_log (LOG_DEBUG, "reconnect");
330 yaz_log(LOG_DEBUG, "connect");
332 val = ZOOM_options_get (c->options, "proxy");
334 c->proxy = xstrdup (val);
339 val = ZOOM_options_get (c->options, "charset");
341 c->charset = xstrdup (val);
346 val = ZOOM_options_get (c->options, "lang");
348 c->lang = xstrdup (val);
352 xfree (c->host_port);
356 sprintf (hostn, "%.80s:%d", host, portnum);
357 c->host_port = xstrdup(hostn);
360 c->host_port = xstrdup(host);
362 ZOOM_options_set(c->options, "host", c->host_port);
364 val = ZOOM_options_get (c->options, "cookie");
366 c->cookie_out = xstrdup (val);
368 val = ZOOM_options_get (c->options, "clientIP");
370 c->client_IP = xstrdup (val);
372 c->async = ZOOM_options_get_bool (c->options, "async", 0);
374 set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
376 task = ZOOM_connection_add_task (c, ZOOM_TASK_CONNECT);
380 while (ZOOM_event (1, &c))
386 ZOOM_query_create(void)
388 ZOOM_query s = (ZOOM_query) xmalloc (sizeof(*s));
393 s->odr = odr_createmem (ODR_ENCODE);
400 ZOOM_query_destroy(ZOOM_query s)
406 yaz_log (LOG_DEBUG, "ZOOM_query_destroy count=%d", s->refcount);
407 if (s->refcount == 0)
409 odr_destroy (s->odr);
415 ZOOM_query_prefix(ZOOM_query s, const char *str)
417 s->query_string = odr_strdup(s->odr, str);
418 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
419 s->z_query->which = Z_Query_type_1;
420 s->z_query->u.type_1 = p_query_rpn(s->odr, PROTO_Z3950, str);
421 if (!s->z_query->u.type_1)
427 ZOOM_query_cql(ZOOM_query s, const char *str)
431 s->query_string = odr_strdup(s->odr, str);
433 ext = (Z_External *) odr_malloc(s->odr, sizeof(*ext));
434 ext->direct_reference = odr_getoidbystr(s->odr, "1.2.840.10003.16.2");
435 ext->indirect_reference = 0;
437 ext->which = Z_External_CQL;
438 ext->u.cql = s->query_string;
440 s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
441 s->z_query->which = Z_Query_type_104;
442 s->z_query->u.type_104 = ext;
448 ZOOM_query_sortby(ZOOM_query s, const char *criteria)
450 s->sort_spec = yaz_sort_spec (s->odr, criteria);
456 static zoom_ret do_write(ZOOM_connection c);
459 ZOOM_connection_destroy(ZOOM_connection c)
466 for (r = c->resultsets; r; r = r->next)
471 odr_destroy (c->odr_in);
472 odr_destroy (c->odr_out);
473 ZOOM_options_destroy (c->options);
474 ZOOM_connection_remove_tasks (c);
475 xfree (c->host_port);
480 xfree (c->cookie_out);
481 xfree (c->cookie_in);
482 xfree (c->client_IP);
486 void ZOOM_resultset_addref (ZOOM_resultset r)
491 yaz_log (LOG_DEBUG, "ZOOM_resultset_addref r=%p count=%d",
495 ZOOM_resultset ZOOM_resultset_create ()
497 ZOOM_resultset r = (ZOOM_resultset) xmalloc (sizeof(*r));
499 yaz_log (LOG_DEBUG, "ZOOM_resultset_create r = %p", r);
502 r->odr = odr_createmem (ODR_ENCODE);
516 ZOOM_API(ZOOM_resultset)
517 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
520 ZOOM_query s = ZOOM_query_create();
522 ZOOM_query_prefix (s, q);
524 r = ZOOM_connection_search (c, s);
525 ZOOM_query_destroy (s);
529 ZOOM_API(ZOOM_resultset)
530 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
532 ZOOM_resultset r = ZOOM_resultset_create ();
536 r->r_sort_spec = q->sort_spec;
539 r->options = ZOOM_options_create_with_parent(c->options);
541 r->start = ZOOM_options_get_int(r->options, "start", 0);
542 r->count = ZOOM_options_get_int(r->options, "count", 0);
543 r->piggyback = ZOOM_options_get_bool (r->options, "piggyback", 1);
544 cp = ZOOM_options_get (r->options, "setname");
546 r->setname = xstrdup(cp);
547 cp = ZOOM_options_get (r->options, "schema");
549 r->schema = xstrdup(cp);
553 r->next = c->resultsets;
556 if (c->host_port && c->proto == PROTO_HTTP)
560 yaz_log(LOG_DEBUG, "NO COMSTACK");
561 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
565 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
570 task = ZOOM_connection_add_task (c, ZOOM_TASK_SEARCH);
571 task->u.search.resultset = r;
572 ZOOM_resultset_addref (r);
578 while (ZOOM_event (1, &c))
585 ZOOM_resultset_destroy(ZOOM_resultset r)
590 yaz_log (LOG_DEBUG, "ZOOM_resultset_destroy r = %p count=%d",
592 if (r->refcount == 0)
594 ZOOM_record_cache rc;
596 for (rc = r->record_cache; rc; rc = rc->next)
597 if (rc->rec.wrbuf_marc)
598 wrbuf_free (rc->rec.wrbuf_marc, 1);
601 /* remove ourselves from the resultsets in connection */
602 ZOOM_resultset *rp = &r->connection->resultsets;
605 assert (*rp); /* we must be in this list!! */
607 { /* OK, we're here - take us out of it */
614 ZOOM_query_destroy (r->query);
615 ZOOM_options_destroy (r->options);
616 odr_destroy (r->odr);
624 ZOOM_resultset_size (ZOOM_resultset r)
629 static void do_close (ZOOM_connection c)
635 c->state = STATE_IDLE;
638 static void ZOOM_resultset_retrieve (ZOOM_resultset r,
639 int force_sync, int start, int count)
651 if (c->host_port && c->proto == PROTO_HTTP)
655 yaz_log(LOG_DEBUG, "NO COMSTACK");
656 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
660 yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
664 task = ZOOM_connection_add_task (c, ZOOM_TASK_RETRIEVE);
665 task->u.retrieve.resultset = r;
666 task->u.retrieve.start = start;
667 task->u.retrieve.count = count;
669 cp = ZOOM_options_get (r->options, "schema");
672 if (!r->schema || strcmp(r->schema, cp))
675 r->schema = xstrdup(cp);
679 ZOOM_resultset_addref (r);
681 if (!r->connection->async || force_sync)
682 while (r->connection && ZOOM_event (1, &r->connection))
687 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
688 size_t start, size_t count)
690 int force_present = 0;
696 ZOOM_resultset_retrieve (r, force_present, start, count);
700 for (i = 0; i< count; i++)
701 recs[i] = ZOOM_resultset_record_immediate (r, i+start);
705 static zoom_ret do_connect (ZOOM_connection c)
708 const char *effective_host;
711 effective_host = c->proxy;
713 effective_host = c->host_port;
715 yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
718 c->cs = cs_create_host (effective_host, 0, &add);
720 if (c->cs && c->cs->protocol == PROTO_HTTP)
723 const char *path = 0;
725 c->proto = PROTO_HTTP;
726 cs_get_host_args(c->host_port, &path);
728 c->path = xmalloc(strlen(path)+2);
730 strcpy (c->path+1, path);
732 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
734 return zoom_complete;
739 int ret = cs_connect (c->cs, add);
742 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
743 ZOOM_connection_put_event(c, event);
744 if (c->proto == PROTO_Z3950)
745 ZOOM_connection_send_init(c);
748 /* no init request for SRW .. */
749 assert (c->tasks->which == ZOOM_TASK_CONNECT);
750 ZOOM_connection_remove_task (c);
752 ZOOM_connection_exec_task (c);
754 c->state = STATE_ESTABLISHED;
759 c->state = STATE_CONNECTING;
760 c->mask = ZOOM_SELECT_EXCEPT;
761 if (c->cs->io_pending & CS_WANT_WRITE)
762 c->mask += ZOOM_SELECT_WRITE;
763 if (c->cs->io_pending & CS_WANT_READ)
764 c->mask += ZOOM_SELECT_READ;
768 c->state = STATE_IDLE;
769 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
770 return zoom_complete;
773 int z3950_connection_socket(ZOOM_connection c)
776 return cs_fileno(c->cs);
780 int z3950_connection_mask(ZOOM_connection c)
787 static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
790 for (i = 0; i<200; i++)
793 Z_OtherInformation **oi;
799 sprintf (buf, "otherInfo%d", i);
800 val = ZOOM_options_get (c->options, buf);
803 cp = strchr (val, ':');
807 if (len >= sizeof(buf))
809 memcpy (buf, val, len);
811 oidval = oid_getvalbyname (buf);
812 if (oidval == VAL_NONE)
816 yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
820 static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
825 Z_OtherInformation **oi;
827 yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
831 Z_OtherInformation **oi;
833 yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
835 otherInfo_attach (c, a, out);
836 if (!z_APDU(out, &a, 0, 0))
838 FILE *outf = fopen("/tmp/apdu.txt", "a");
841 ODR odr_pr = odr_createmem(ODR_PRINT);
842 fprintf (outf, "a=%p\n", a);
843 odr_setprint(odr_pr, outf);
844 z_APDU(odr_pr, &a, 0, 0);
847 yaz_log (LOG_DEBUG, "encoding failed");
848 set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
856 static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
860 if (encode_APDU(c, a, c->odr_out))
861 return zoom_complete;
862 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
863 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
864 ZOOM_connection_put_event (c, event);
865 odr_reset(c->odr_out);
869 /* returns 1 if PDU was sent OK (still pending )
870 0 if PDU was not sent OK (nothing to wait for)
873 static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
876 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
877 Z_InitRequest *ireq = apdu->u.initRequest;
878 Z_IdAuthentication *auth = (Z_IdAuthentication *)
879 odr_malloc(c->odr_out, sizeof(*auth));
880 const char *auth_groupId = ZOOM_options_get (c->options, "group");
881 const char *auth_userId = ZOOM_options_get (c->options, "user");
882 const char *auth_password = ZOOM_options_get (c->options, "pass");
884 ODR_MASK_SET(ireq->options, Z_Options_search);
885 ODR_MASK_SET(ireq->options, Z_Options_present);
886 ODR_MASK_SET(ireq->options, Z_Options_scan);
887 ODR_MASK_SET(ireq->options, Z_Options_sort);
888 ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
889 ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
891 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
892 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
893 ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
895 impname = ZOOM_options_get (c->options, "implementationName");
896 ireq->implementationName =
897 (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
898 strcpy (ireq->implementationName, "");
901 strcat (ireq->implementationName, impname);
902 strcat (ireq->implementationName, "/");
904 strcat (ireq->implementationName, "ZOOM-C/YAZ");
906 *ireq->maximumRecordSize =
907 ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
908 *ireq->preferredMessageSize =
909 ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
911 if (auth_groupId || auth_password)
913 Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
916 if (auth_groupId && *auth_groupId)
918 pass->groupId = (char *)
919 odr_malloc(c->odr_out, strlen(auth_groupId)+1);
920 strcpy(pass->groupId, auth_groupId);
924 if (auth_userId && *auth_userId)
926 pass->userId = (char *)
927 odr_malloc(c->odr_out, strlen(auth_userId)+1);
928 strcpy(pass->userId, auth_userId);
932 if (auth_password && *auth_password)
934 pass->password = (char *)
935 odr_malloc(c->odr_out, strlen(auth_password)+1);
936 strcpy(pass->password, auth_password);
941 auth->which = Z_IdAuthentication_idPass;
942 auth->u.idPass = pass;
943 ireq->idAuthentication = auth;
946 else if (auth_userId)
948 auth->which = Z_IdAuthentication_open;
949 auth->u.open = (char *)
950 odr_malloc(c->odr_out, strlen(auth_userId)+1);
951 strcpy(auth->u.open, auth_userId);
952 ireq->idAuthentication = auth;
955 yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
956 VAL_PROXY, 1, c->host_port);
957 if (c->charset||c->lang)
959 Z_OtherInformation **oi;
960 Z_OtherInformationUnit *oi_unit;
962 yaz_oi_APDU(apdu, &oi);
964 if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
966 ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
968 oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
969 oi_unit->information.externallyDefinedInfo =
970 yaz_set_proposal_charneg
972 (const char **)&c->charset, (c->charset) ? 1:0,
973 (const char **)&c->lang, (c->lang) ? 1:0, 1);
977 return send_APDU (c, apdu);
981 static zoom_ret send_srw (ZOOM_connection c, Z_SRW_PDU *sr)
984 Z_SOAP_Handler h[2] = {
985 {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
988 ODR o = odr_createmem(ODR_ENCODE);
990 Z_SOAP *p = odr_malloc(o, sizeof(*p));
994 gdu = z_get_HTTP_Request(c->odr_out);
995 gdu->u.HTTP_Request->path = c->path;
999 const char *cp0 = strstr(c->host_port, "://");
1000 const char *cp1 = 0;
1006 cp1 = strchr(cp0, '/');
1008 cp1 = cp0+strlen(cp0);
1012 char *h = odr_malloc(c->odr_out, cp1 - cp0 + 1);
1013 memcpy (h, cp0, cp1 - cp0);
1015 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1020 strcpy(ctype, "text/xml");
1021 if (c->charset && strlen(c->charset) < 20)
1023 strcat(ctype, "; charset=");
1024 strcat(ctype, c->charset);
1026 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1027 "Content-Type", ctype);
1028 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1029 "SOAPAction", "\"\"");
1030 p->which = Z_SOAP_generic;
1031 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
1032 p->u.generic->no = 0;
1033 p->u.generic->ns = 0;
1034 p->u.generic->p = sr;
1035 p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
1037 ret = z_soap_codec_enc(o, &p,
1038 &gdu->u.HTTP_Request->content_buf,
1039 &gdu->u.HTTP_Request->content_len, h,
1042 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1043 return zoom_complete;
1044 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1048 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1049 ZOOM_connection_put_event (c, event);
1050 odr_reset(c->odr_out);
1051 return do_write (c);
1056 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1059 ZOOM_resultset resultset = 0;
1061 const char *recordPacking = 0;
1063 if (c->error) /* don't continue on error */
1064 return zoom_complete;
1066 if (c->tasks->which == ZOOM_TASK_SEARCH)
1068 resultset = c->tasks->u.search.resultset;
1069 resultset->setname = xstrdup ("default");
1070 ZOOM_options_set (resultset->options, "setname", resultset->setname);
1072 else if(c->tasks->which == ZOOM_TASK_RETRIEVE)
1074 resultset = c->tasks->u.retrieve.resultset;
1076 resultset->start = c->tasks->u.retrieve.start;
1077 resultset->count = c->tasks->u.retrieve.count;
1079 if (resultset->start >= resultset->size)
1080 return zoom_complete;
1081 if (resultset->start + resultset->count > resultset->size)
1082 resultset->count = resultset->size - resultset->start;
1084 for (i = 0; i<resultset->count; i++)
1087 record_cache_lookup (resultset, i + resultset->start);
1091 if (i == resultset->count)
1092 return zoom_complete;
1094 assert(resultset->query);
1096 sr = yaz_srw_get(c->odr_out, Z_SRW_searchRetrieve_request);
1098 if (resultset->query->z_query->which == Z_Query_type_104
1099 && resultset->query->z_query->u.type_104->which == Z_External_CQL)
1102 sr->u.request->query_type = Z_SRW_query_type_cql;
1103 sr->u.request->query.cql =resultset->query->z_query->u.type_104->u.cql;
1105 else if (resultset->query->z_query->which == Z_Query_type_1 &&
1106 resultset->query->z_query->u.type_1)
1108 sr->u.request->query_type = Z_SRW_query_type_pqf;
1109 sr->u.request->query.pqf = resultset->query->query_string;
1113 set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
1114 return zoom_complete;
1116 sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
1117 sr->u.request->maximumRecords = odr_intdup (c->odr_out, resultset->count);
1118 sr->u.request->recordSchema = resultset->schema;
1120 recordPacking = ZOOM_resultset_option_get (resultset, "recordPacking");
1123 sr->u.request->recordPacking = odr_strdup(c->odr_out, recordPacking);
1125 return send_srw(c, sr);
1128 static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
1130 return zoom_complete;
1134 static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
1137 int lslb, ssub, mspn;
1139 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
1140 Z_SearchRequest *search_req = apdu->u.searchRequest;
1141 const char *elementSetName;
1142 const char *smallSetElementSetName;
1143 const char *mediumSetElementSetName;
1146 assert (c->tasks->which == ZOOM_TASK_SEARCH);
1148 r = c->tasks->u.search.resultset;
1151 ZOOM_options_get (r->options, "elementSetName");
1152 smallSetElementSetName =
1153 ZOOM_options_get (r->options, "smallSetElementSetName");
1154 mediumSetElementSetName =
1155 ZOOM_options_get (r->options, "mediumSetElementSetName");
1157 if (!smallSetElementSetName)
1158 smallSetElementSetName = elementSetName;
1160 if (!mediumSetElementSetName)
1161 mediumSetElementSetName = elementSetName;
1166 /* prepare query for the search request */
1167 search_req->query = r->query->z_query;
1169 search_req->databaseNames =
1170 set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
1172 /* get syntax (no need to provide unless piggyback is in effect) */
1173 syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
1175 lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
1176 ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
1177 mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
1178 if (lslb != -1 && ssub != -1 && mspn != -1)
1180 /* So're a Z39.50 expert? Let's hope you don't do sort */
1181 *search_req->largeSetLowerBound = lslb;
1182 *search_req->smallSetUpperBound = ssub;
1183 *search_req->mediumSetPresentNumber = mspn;
1185 else if (r->start == 0 && r->count > 0
1186 && r->piggyback && !r->r_sort_spec && !r->schema)
1188 /* Regular piggyback - do it unless we're going to do sort */
1189 *search_req->largeSetLowerBound = 2000000000;
1190 *search_req->smallSetUpperBound = 0;
1191 *search_req->mediumSetPresentNumber = r->count;
1192 smallSetElementSetName = 0;
1196 /* non-piggyback. Need not provide elementsets or syntaxes .. */
1197 smallSetElementSetName = 0;
1198 mediumSetElementSetName = 0;
1201 if (smallSetElementSetName && *smallSetElementSetName)
1203 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1204 odr_malloc (c->odr_out, sizeof(*esn));
1206 esn->which = Z_ElementSetNames_generic;
1207 esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
1208 search_req->smallSetElementSetNames = esn;
1210 if (mediumSetElementSetName && *mediumSetElementSetName)
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, mediumSetElementSetName);
1217 search_req->mediumSetElementSetNames = esn;
1220 search_req->preferredRecordSyntax =
1221 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1225 if (c->support_named_resultsets)
1229 /* find the lowest unused ordinal so that we re-use
1230 result sets on the server. */
1231 for (ord = 1; ; ord++)
1234 sprintf (setname, "%d", ord);
1235 for (rp = c->resultsets; rp; rp = rp->next)
1236 if (rp->setname && !strcmp (rp->setname, setname))
1241 r->setname = xstrdup (setname);
1242 yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
1245 r->setname = xstrdup ("default");
1246 ZOOM_options_set (r->options, "setname", r->setname);
1248 search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
1249 /* send search request */
1250 return send_APDU (c, apdu);
1253 static void response_diag (ZOOM_connection c, Z_DiagRec *p)
1256 Z_DefaultDiagFormat *r;
1261 if (p->which != Z_DiagRec_defaultFormat)
1263 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1266 r = p->u.defaultFormat;
1269 case Z_DefaultDiagFormat_v2Addinfo:
1270 addinfo = r->u.v2Addinfo;
1272 case Z_DefaultDiagFormat_v3Addinfo:
1273 addinfo = r->u.v3Addinfo;
1276 set_dset_error(c, *r->condition,
1277 yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
1281 ZOOM_API(ZOOM_record)
1282 ZOOM_record_clone (ZOOM_record srec)
1289 odr_enc = odr_createmem(ODR_ENCODE);
1290 if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
1292 buf = odr_getbuf (odr_enc, &size, 0);
1294 nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
1295 nrec->odr = odr_createmem(ODR_DECODE);
1296 nrec->wrbuf_marc = 0;
1297 odr_setbuf (nrec->odr, buf, size, 0);
1298 z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
1300 odr_destroy (odr_enc);
1304 ZOOM_API(ZOOM_record)
1305 ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
1307 return record_cache_lookup (s, pos);
1310 ZOOM_API(ZOOM_record)
1311 ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
1313 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1317 ZOOM_resultset_retrieve (r, 1, pos, 1);
1318 rec = ZOOM_resultset_record_immediate (r, pos);
1324 ZOOM_record_destroy (ZOOM_record rec)
1328 if (rec->wrbuf_marc)
1329 wrbuf_free (rec->wrbuf_marc, 1);
1330 odr_destroy (rec->odr);
1334 ZOOM_API(const char *)
1335 ZOOM_record_get (ZOOM_record rec, const char *type, int *len)
1337 Z_NamePlusRecord *npr;
1340 *len = 0; /* default return */
1347 if (!strcmp (type, "database"))
1350 *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
1351 return npr->databaseName;
1353 else if (!strcmp (type, "syntax"))
1355 const char *desc = 0;
1356 if (npr->which == Z_NamePlusRecord_databaseRecord)
1358 Z_External *r = (Z_External *) npr->u.databaseRecord;
1359 oident *ent = oid_getentbyoid(r->direct_reference);
1366 *len = strlen(desc);
1369 else if (!strcmp (type, "render") &&
1370 npr->which == Z_NamePlusRecord_databaseRecord)
1372 Z_External *r = (Z_External *) npr->u.databaseRecord;
1373 oident *ent = oid_getentbyoid(r->direct_reference);
1375 if (r->which == Z_External_sutrs)
1377 if (len) *len = r->u.sutrs->len;
1378 return (const char *) r->u.sutrs->buf;
1380 else if (r->which == Z_External_octet)
1390 case VAL_APPLICATION_XML:
1393 if (!rec->wrbuf_marc)
1394 rec->wrbuf_marc = wrbuf_alloc();
1396 mt = yaz_marc_create();
1397 wrbuf_rewind (rec->wrbuf_marc);
1398 if (yaz_marc_decode_wrbuf (
1399 mt, (const char *) r->u.octet_aligned->buf,
1400 r->u.octet_aligned->len,
1401 rec->wrbuf_marc) > 0)
1404 *len = wrbuf_len(rec->wrbuf_marc);
1405 yaz_marc_destroy(mt);
1406 return wrbuf_buf(rec->wrbuf_marc);
1408 yaz_marc_destroy(mt);
1411 *len = r->u.octet_aligned->len;
1412 return (const char *) r->u.octet_aligned->buf;
1414 else if (r->which == Z_External_grs1)
1416 if (!rec->wrbuf_marc)
1417 rec->wrbuf_marc = wrbuf_alloc();
1418 wrbuf_rewind (rec->wrbuf_marc);
1419 yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
1421 *len = wrbuf_len(rec->wrbuf_marc);
1422 return wrbuf_buf(rec->wrbuf_marc);
1426 else if (npr->which == Z_NamePlusRecord_databaseRecord &&
1427 (!strcmp (type, "xml") || !strcmp(type, "oai")))
1429 Z_External *r = (Z_External *) npr->u.databaseRecord;
1430 oident *ent = oid_getentbyoid(r->direct_reference);
1432 if (r->which == Z_External_sutrs)
1434 if (len) *len = r->u.sutrs->len;
1435 return (const char *) r->u.sutrs->buf;
1437 else if (r->which == Z_External_octet)
1440 int marc_decode_type = YAZ_MARC_MARCXML;
1442 if (!strcmp(type, "oai"))
1443 marc_decode_type = YAZ_MARC_OAIMARC;
1451 case VAL_APPLICATION_XML:
1454 if (!rec->wrbuf_marc)
1455 rec->wrbuf_marc = wrbuf_alloc();
1456 wrbuf_rewind (rec->wrbuf_marc);
1457 mt = yaz_marc_create();
1459 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1460 if (yaz_marc_decode_wrbuf (
1461 mt, (const char *) r->u.octet_aligned->buf,
1462 r->u.octet_aligned->len,
1463 rec->wrbuf_marc) > 0)
1466 *len = wrbuf_len(rec->wrbuf_marc);
1467 yaz_marc_destroy(mt);
1468 return wrbuf_buf(rec->wrbuf_marc);
1470 yaz_marc_destroy(mt);
1472 if (len) *len = r->u.octet_aligned->len;
1473 return (const char *) r->u.octet_aligned->buf;
1475 else if (r->which == Z_External_grs1)
1480 else if (r->which == Z_External_OPAC)
1487 else if (!strcmp (type, "raw"))
1489 if (npr->which == Z_NamePlusRecord_databaseRecord)
1491 Z_External *r = (Z_External *) npr->u.databaseRecord;
1493 if (r->which == Z_External_sutrs)
1495 if (len) *len = r->u.sutrs->len;
1496 return (const char *) r->u.sutrs->buf;
1498 else if (r->which == Z_External_octet)
1500 if (len) *len = r->u.octet_aligned->len;
1501 return (const char *) r->u.octet_aligned->buf;
1503 else /* grs-1, explain, ... */
1506 return (const char *) npr->u.databaseRecord;
1511 else if (!strcmp (type, "ext"))
1513 if (npr->which == Z_NamePlusRecord_databaseRecord)
1514 return (const char *) npr->u.databaseRecord;
1520 static int strcmp_null(const char *v1, const char *v2)
1526 return strcmp(v1, v2);
1529 static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr,
1532 ZOOM_record_cache rc;
1533 const char *elementSetName =
1534 ZOOM_resultset_option_get (r, "elementSetName");
1535 const char *syntax =
1536 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1538 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
1539 ZOOM_connection_put_event(r->connection, event);
1541 for (rc = r->record_cache; rc; rc = rc->next)
1545 if (strcmp_null(r->schema, rc->schema))
1547 if (strcmp_null(elementSetName,rc->elementSetName))
1549 if (strcmp_null(syntax, rc->syntax))
1551 /* not destroying rc->npr (it's handled by nmem )*/
1553 /* keeping wrbuf_marc too */
1557 rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
1560 rc->rec.wrbuf_marc = 0;
1562 rc->elementSetName = odr_strdup (r->odr, elementSetName);
1564 rc->elementSetName = 0;
1567 rc->syntax = odr_strdup (r->odr, syntax);
1572 rc->schema = odr_strdup (r->odr, r->schema);
1577 rc->next = r->record_cache;
1578 r->record_cache = rc;
1581 static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
1583 ZOOM_record_cache rc;
1584 const char *elementSetName =
1585 ZOOM_resultset_option_get (r, "elementSetName");
1586 const char *syntax =
1587 ZOOM_resultset_option_get (r, "preferredRecordSyntax");
1589 for (rc = r->record_cache; rc; rc = rc->next)
1593 if (strcmp_null(r->schema, rc->schema))
1595 if (strcmp_null(elementSetName,rc->elementSetName))
1597 if (strcmp_null(syntax, rc->syntax))
1605 static void handle_records (ZOOM_connection c, Z_Records *sr,
1608 ZOOM_resultset resultset;
1612 switch (c->tasks->which)
1614 case ZOOM_TASK_SEARCH:
1615 resultset = c->tasks->u.search.resultset;
1617 case ZOOM_TASK_RETRIEVE:
1618 resultset = c->tasks->u.retrieve.resultset;
1623 if (sr && sr->which == Z_Records_NSD)
1625 Z_DiagRec dr, *dr_p = &dr;
1626 dr.which = Z_DiagRec_defaultFormat;
1627 dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
1629 response_diag (c, dr_p);
1631 else if (sr && sr->which == Z_Records_multipleNSD)
1633 if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
1634 response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
1636 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1640 if (resultset->count + resultset->start > resultset->size)
1641 resultset->count = resultset->size - resultset->start;
1642 if (resultset->count < 0)
1643 resultset->count = 0;
1644 if (sr && sr->which == Z_Records_DBOSD)
1647 NMEM nmem = odr_extract_mem (c->odr_in);
1648 Z_NamePlusRecordList *p =
1649 sr->u.databaseOrSurDiagnostics;
1650 for (i = 0; i<p->num_records; i++)
1652 record_cache_add (resultset, p->records[i],
1653 i+ resultset->start);
1655 /* transfer our response to search_nmem .. we need it later */
1656 nmem_transfer (resultset->odr->mem, nmem);
1657 nmem_destroy (nmem);
1658 if (present_phase && p->num_records == 0)
1660 /* present response and we didn't get any records! */
1661 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1664 else if (present_phase)
1666 /* present response and we didn't get any records! */
1667 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
1672 static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
1674 handle_records (c, pr->records, 1);
1677 static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
1679 ZOOM_resultset resultset;
1682 yaz_log (LOG_DEBUG, "got search response");
1684 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1687 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
1688 ZOOM_connection_put_event(c, event);
1690 resultset = c->tasks->u.search.resultset;
1692 resultset->size = *sr->resultCount;
1693 handle_records (c, sr->records, 0);
1696 static void sort_response (ZOOM_connection c, Z_SortResponse *res)
1698 if (res->diagnostics && res->num_diagnostics > 0)
1699 response_diag (c, res->diagnostics[0]);
1702 static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
1704 NMEM nmem = odr_extract_mem (c->odr_in);
1707 if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
1709 scan = c->tasks->u.scan.scan;
1711 if (res->entries && res->entries->nonsurrogateDiagnostics)
1712 response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
1713 scan->scan_response = res;
1714 nmem_transfer (scan->odr->mem, nmem);
1716 ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
1717 if (res->positionOfTerm)
1718 ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
1719 if (res->scanStatus)
1720 ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
1721 if (res->numberOfEntriesReturned)
1722 ZOOM_options_set_int (scan->options, "number",
1723 *res->numberOfEntriesReturned);
1724 nmem_destroy (nmem);
1728 static zoom_ret send_sort (ZOOM_connection c)
1730 ZOOM_resultset resultset;
1732 if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
1733 return zoom_complete;
1735 resultset = c->tasks->u.search.resultset;
1739 resultset->r_sort_spec = 0;
1740 return zoom_complete;
1742 if (resultset->r_sort_spec)
1744 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
1745 Z_SortRequest *req = apdu->u.sortRequest;
1747 req->num_inputResultSetNames = 1;
1748 req->inputResultSetNames = (Z_InternationalString **)
1749 odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
1750 req->inputResultSetNames[0] =
1751 odr_strdup (c->odr_out, resultset->setname);
1752 req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
1753 req->sortSequence = resultset->r_sort_spec;
1754 resultset->r_sort_spec = 0;
1755 return send_APDU (c, apdu);
1757 return zoom_complete;
1760 static zoom_ret send_present (ZOOM_connection c)
1763 Z_PresentRequest *req = 0;
1765 const char *syntax = 0;
1766 const char *elementSetName = 0;
1767 ZOOM_resultset resultset;
1770 return zoom_complete;
1772 switch (c->tasks->which)
1774 case ZOOM_TASK_SEARCH:
1775 resultset = c->tasks->u.search.resultset;
1777 case ZOOM_TASK_RETRIEVE:
1778 resultset = c->tasks->u.retrieve.resultset;
1779 resultset->start = c->tasks->u.retrieve.start;
1780 resultset->count = c->tasks->u.retrieve.count;
1782 if (resultset->start >= resultset->size)
1783 return zoom_complete;
1784 if (resultset->start + resultset->count > resultset->size)
1785 resultset->count = resultset->size - resultset->start;
1788 return zoom_complete;
1791 syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
1792 elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
1794 if (c->error) /* don't continue on error */
1795 return zoom_complete;
1796 if (resultset->start < 0)
1797 return zoom_complete;
1798 for (i = 0; i<resultset->count; i++)
1801 record_cache_lookup (resultset, i + resultset->start);
1805 if (i == resultset->count)
1806 return zoom_complete;
1808 apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
1809 req = apdu->u.presentRequest;
1811 resultset->start += i;
1812 resultset->count -= i;
1813 *req->resultSetStartPoint = resultset->start + 1;
1814 *req->numberOfRecordsRequested = resultset->count;
1815 assert (*req->numberOfRecordsRequested > 0);
1817 if (syntax && *syntax)
1818 req->preferredRecordSyntax =
1819 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
1821 if (resultset->schema && *resultset->schema)
1823 Z_RecordComposition *compo = (Z_RecordComposition *)
1824 odr_malloc (c->odr_out, sizeof(*compo));
1826 req->recordComposition = compo;
1827 compo->which = Z_RecordComp_complex;
1828 compo->u.complex = (Z_CompSpec *)
1829 odr_malloc(c->odr_out, sizeof(*compo->u.complex));
1830 compo->u.complex->selectAlternativeSyntax = (bool_t *)
1831 odr_malloc(c->odr_out, sizeof(bool_t));
1832 *compo->u.complex->selectAlternativeSyntax = 0;
1834 compo->u.complex->generic = (Z_Specification *)
1835 odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
1837 compo->u.complex->generic->which = Z_Schema_oid;
1838 compo->u.complex->generic->schema.oid = (Odr_oid *)
1839 yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, resultset->schema);
1841 if (!compo->u.complex->generic->schema.oid)
1843 /* OID wasn't a schema! Try record syntax instead. */
1845 compo->u.complex->generic->schema.oid = (Odr_oid *)
1846 yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
1848 if (elementSetName && *elementSetName)
1850 compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
1851 odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
1852 compo->u.complex->generic->elementSpec->which =
1853 Z_ElementSpec_elementSetName;
1854 compo->u.complex->generic->elementSpec->u.elementSetName =
1855 odr_strdup (c->odr_out, elementSetName);
1858 compo->u.complex->generic->elementSpec = 0;
1859 compo->u.complex->num_dbSpecific = 0;
1860 compo->u.complex->dbSpecific = 0;
1861 compo->u.complex->num_recordSyntax = 0;
1862 compo->u.complex->recordSyntax = 0;
1864 else if (elementSetName && *elementSetName)
1866 Z_ElementSetNames *esn = (Z_ElementSetNames *)
1867 odr_malloc (c->odr_out, sizeof(*esn));
1868 Z_RecordComposition *compo = (Z_RecordComposition *)
1869 odr_malloc (c->odr_out, sizeof(*compo));
1871 esn->which = Z_ElementSetNames_generic;
1872 esn->u.generic = odr_strdup (c->odr_out, elementSetName);
1873 compo->which = Z_RecordComp_simple;
1874 compo->u.simple = esn;
1875 req->recordComposition = compo;
1877 req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
1878 return send_APDU (c, apdu);
1881 ZOOM_API(ZOOM_scanset)
1882 ZOOM_connection_scan (ZOOM_connection c, const char *start)
1884 ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
1886 scan->connection = c;
1887 scan->odr = odr_createmem (ODR_DECODE);
1888 scan->options = ZOOM_options_create_with_parent (c->options);
1890 scan->scan_response = 0;
1892 if ((scan->termListAndStartPoint =
1893 p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
1896 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
1897 task->u.scan.scan = scan;
1902 while (ZOOM_event (1, &c))
1910 ZOOM_scanset_destroy (ZOOM_scanset scan)
1915 if (scan->refcount == 0)
1917 odr_destroy (scan->odr);
1919 ZOOM_options_destroy (scan->options);
1924 static zoom_ret send_package (ZOOM_connection c)
1928 return zoom_complete;
1929 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1931 event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
1932 ZOOM_connection_put_event (c, event);
1934 return do_write_ex (c, c->tasks->u.package->buf_out,
1935 c->tasks->u.package->len_out);
1938 static zoom_ret send_scan (ZOOM_connection c)
1941 Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
1942 Z_ScanRequest *req = apdu->u.scanRequest;
1944 return zoom_complete;
1945 assert (c->tasks->which == ZOOM_TASK_SCAN);
1946 scan = c->tasks->u.scan.scan;
1948 req->termListAndStartPoint = scan->termListAndStartPoint;
1949 req->attributeSet = scan->attributeSet;
1951 *req->numberOfTermsRequested =
1952 ZOOM_options_get_int(scan->options, "number", 10);
1954 req->preferredPositionInResponse =
1955 odr_intdup (c->odr_out,
1956 ZOOM_options_get_int(scan->options, "position", 1));
1959 odr_intdup (c->odr_out,
1960 ZOOM_options_get_int(scan->options, "stepSize", 0));
1962 req->databaseNames = set_DatabaseNames (c, scan->options,
1963 &req->num_databaseNames);
1965 return send_APDU (c, apdu);
1969 ZOOM_scanset_size (ZOOM_scanset scan)
1971 if (!scan || !scan->scan_response || !scan->scan_response->entries)
1973 return scan->scan_response->entries->num_entries;
1976 ZOOM_API(const char *)
1977 ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
1980 const char *term = 0;
1981 size_t noent = ZOOM_scanset_size (scan);
1982 Z_ScanResponse *res = scan->scan_response;
1988 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1990 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1992 if (t->term->which == Z_Term_general)
1994 term = (const char *) t->term->u.general->buf;
1995 *len = t->term->u.general->len;
1997 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
2002 ZOOM_API(const char *)
2003 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
2005 return ZOOM_options_get (scan->options, key);
2009 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
2012 ZOOM_options_set (scan->options, key, val);
2015 static Z_APDU *create_es_package (ZOOM_package p, int type)
2018 Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
2019 Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
2021 *req->function = Z_ExtendedServicesRequest_create;
2023 str = ZOOM_options_get(p->options, "package-name");
2025 req->packageName = nmem_strdup (p->odr_out->mem, str);
2027 str = ZOOM_options_get(p->options, "user-id");
2029 req->userId = nmem_strdup (p->odr_out->mem, str);
2031 req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2034 str = ZOOM_options_get(p->options, "function");
2037 if (!strcmp (str, "create"))
2039 if (!strcmp (str, "delete"))
2041 if (!strcmp (str, "modify"))
2047 static const char *ill_array_lookup (void *clientData, const char *idx)
2049 ZOOM_package p = (ZOOM_package) clientData;
2050 return ZOOM_options_get (p->options, idx+4);
2053 static Z_External *encode_ill_request (ZOOM_package p)
2055 ODR out = p->odr_out;
2058 struct ill_get_ctl ctl;
2060 ctl.odr = p->odr_out;
2062 ctl.f = ill_array_lookup;
2064 req = ill_get_ILLRequest(&ctl, "ill", 0);
2066 if (!ill_Request (out, &req, 0, 0))
2068 int ill_request_size;
2069 char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
2070 if (ill_request_buf)
2071 odr_setbuf (out, ill_request_buf, ill_request_size, 1);
2077 int illRequest_size = 0;
2078 char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
2080 oid.proto = PROTO_GENERAL;
2081 oid.oclass = CLASS_GENERAL;
2082 oid.value = VAL_ISO_ILL_1;
2084 r = (Z_External *) odr_malloc (out, sizeof(*r));
2085 r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
2086 r->indirect_reference = 0;
2088 r->which = Z_External_single;
2090 r->u.single_ASN1_type = (Odr_oct *)
2091 odr_malloc (out, sizeof(*r->u.single_ASN1_type));
2092 r->u.single_ASN1_type->buf = (unsigned char*)
2093 odr_malloc (out, illRequest_size);
2094 r->u.single_ASN1_type->len = illRequest_size;
2095 r->u.single_ASN1_type->size = illRequest_size;
2096 memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
2101 static Z_ItemOrder *encode_item_order(ZOOM_package p)
2103 Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
2106 req->which=Z_IOItemOrder_esRequest;
2107 req->u.esRequest = (Z_IORequest *)
2108 odr_malloc(p->odr_out,sizeof(Z_IORequest));
2110 /* to keep part ... */
2111 req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
2112 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
2113 req->u.esRequest->toKeep->supplDescription = 0;
2114 req->u.esRequest->toKeep->contact = (Z_IOContact *)
2115 odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
2117 str = ZOOM_options_get(p->options, "contact-name");
2118 req->u.esRequest->toKeep->contact->name = str ?
2119 nmem_strdup (p->odr_out->mem, str) : 0;
2121 str = ZOOM_options_get(p->options, "contact-phone");
2122 req->u.esRequest->toKeep->contact->phone = str ?
2123 nmem_strdup (p->odr_out->mem, str) : 0;
2125 str = ZOOM_options_get(p->options, "contact-email");
2126 req->u.esRequest->toKeep->contact->email = str ?
2127 nmem_strdup (p->odr_out->mem, str) : 0;
2129 req->u.esRequest->toKeep->addlBilling = 0;
2131 /* not to keep part ... */
2132 req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
2133 odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
2135 str = ZOOM_options_get(p->options, "itemorder-setname");
2140 req->u.esRequest->notToKeep->resultSetItem = 0;
2143 req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
2144 odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
2146 req->u.esRequest->notToKeep->resultSetItem->resultSetId =
2147 nmem_strdup (p->odr_out->mem, str);
2148 req->u.esRequest->notToKeep->resultSetItem->item =
2149 (int *) odr_malloc(p->odr_out, sizeof(int));
2151 str = ZOOM_options_get(p->options, "itemorder-item");
2152 *req->u.esRequest->notToKeep->resultSetItem->item =
2153 (str ? atoi(str) : 1);
2155 req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
2161 ZOOM_package_send (ZOOM_package p, const char *type)
2168 odr_reset (p->odr_out);
2171 if (!strcmp(type, "itemorder"))
2174 apdu = create_es_package (p, VAL_ITEMORDER);
2177 r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
2179 r->direct_reference =
2180 yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
2183 r->which = Z_External_itemOrder;
2184 r->indirect_reference = 0;
2185 r->u.itemOrder = encode_item_order (p);
2187 apdu->u.extendedServicesRequest->taskSpecificParameters = r;
2192 if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
2196 ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
2197 task->u.package = p;
2198 buf = odr_getbuf(p->odr_out, &p->len_out, 0);
2199 p->buf_out = (char *) xmalloc (p->len_out);
2200 memcpy (p->buf_out, buf, p->len_out);
2205 while (ZOOM_event (1, &c))
2212 ZOOM_API(ZOOM_package)
2213 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
2215 ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
2218 p->odr_out = odr_createmem (ODR_ENCODE);
2219 p->options = ZOOM_options_create_with_parent2 (options, c->options);
2227 ZOOM_package_destroy(ZOOM_package p)
2232 if (p->refcount == 0)
2234 odr_destroy (p->odr_out);
2237 ZOOM_options_destroy (p->options);
2242 ZOOM_API(const char *)
2243 ZOOM_package_option_get (ZOOM_package p, const char *key)
2245 return ZOOM_options_get (p->options, key);
2250 ZOOM_package_option_set (ZOOM_package p, const char *key,
2253 ZOOM_options_set (p->options, key, val);
2256 static int ZOOM_connection_exec_task (ZOOM_connection c)
2258 ZOOM_task task = c->tasks;
2259 zoom_ret ret = zoom_complete;
2263 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
2266 yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
2267 task->which, task->running);
2268 if (c->error != ZOOM_ERROR_NONE)
2270 yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
2271 ZOOM_connection_remove_tasks (c);
2276 yaz_log (LOG_DEBUG, "task already running");
2280 ret = zoom_complete;
2281 if (c->cs || task->which == ZOOM_TASK_CONNECT)
2283 switch (task->which)
2285 case ZOOM_TASK_SEARCH:
2286 if (c->proto == PROTO_HTTP)
2287 ret = ZOOM_connection_srw_send_search(c);
2289 ret = ZOOM_connection_send_search(c);
2291 case ZOOM_TASK_RETRIEVE:
2292 if (c->proto == PROTO_HTTP)
2293 ret = ZOOM_connection_srw_send_search(c);
2295 ret = send_present (c);
2297 case ZOOM_TASK_CONNECT:
2298 ret = do_connect(c);
2300 case ZOOM_TASK_SCAN:
2303 case ZOOM_TASK_PACKAGE:
2304 ret = send_package(c);
2310 yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
2311 ZOOM_connection_remove_tasks (c);
2313 if (ret == zoom_complete)
2315 yaz_log (LOG_DEBUG, "task removed (complete)");
2316 ZOOM_connection_remove_task (c);
2319 yaz_log (LOG_DEBUG, "task pending");
2323 static zoom_ret send_sort_present (ZOOM_connection c)
2325 zoom_ret r = send_sort (c);
2326 if (r == zoom_complete)
2327 r = send_present (c);
2331 static int es_response (ZOOM_connection c,
2332 Z_ExtendedServicesResponse *res)
2334 if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
2336 if (res->diagnostics && res->num_diagnostics > 0)
2337 response_diag(c, res->diagnostics[0]);
2338 if (res->taskPackage &&
2339 res->taskPackage->which == Z_External_extendedService)
2341 Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
2342 Odr_oct *id = taskPackage->targetReference;
2345 ZOOM_options_setl (c->tasks->u.package->options,
2346 "targetReference", (char*) id->buf, id->len);
2352 static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
2354 Z_InitResponse *initrs;
2357 yaz_log (LOG_DEBUG, "handle_apdu type=%d", apdu->which);
2360 case Z_APDU_initResponse:
2361 initrs = apdu->u.initResponse;
2362 ZOOM_connection_option_set(c, "targetImplementationId",
2363 initrs->implementationId ?
2364 initrs->implementationId : "");
2365 ZOOM_connection_option_set(c, "targetImplementationName",
2366 initrs->implementationName ?
2367 initrs->implementationName : "");
2368 ZOOM_connection_option_set(c, "targetImplementationVersion",
2369 initrs->implementationVersion ?
2370 initrs->implementationVersion : "");
2371 if (!*initrs->result)
2373 set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
2378 yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
2380 xfree (c->cookie_in);
2383 c->cookie_in = xstrdup(cookie);
2384 if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
2385 ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
2386 c->support_named_resultsets = 1;
2389 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2390 ZOOM_connection_remove_task (c);
2392 ZOOM_connection_exec_task (c);
2394 if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
2396 NMEM tmpmem = nmem_create();
2397 Z_CharSetandLanguageNegotiation *p =
2398 yaz_get_charneg_record(initrs->otherInfo);
2402 char *charset=NULL, *lang=NULL;
2405 yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
2406 yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
2407 "language %s, select %d",
2408 charset ? charset : "none", lang ? lang : "none", sel);
2410 ZOOM_connection_option_set (c, "negotiation-charset",
2413 ZOOM_connection_option_set (c, "negotiation-lang",
2415 nmem_destroy(tmpmem);
2419 case Z_APDU_searchResponse:
2420 handle_search_response (c, apdu->u.searchResponse);
2421 if (send_sort_present (c) == zoom_complete)
2422 ZOOM_connection_remove_task (c);
2424 case Z_APDU_presentResponse:
2425 handle_present_response (c, apdu->u.presentResponse);
2426 if (send_present (c) == zoom_complete)
2427 ZOOM_connection_remove_task (c);
2429 case Z_APDU_sortResponse:
2430 sort_response (c, apdu->u.sortResponse);
2431 if (send_present (c) == zoom_complete)
2432 ZOOM_connection_remove_task (c);
2434 case Z_APDU_scanResponse:
2435 scan_response (c, apdu->u.scanResponse);
2436 ZOOM_connection_remove_task (c);
2438 case Z_APDU_extendedServicesResponse:
2439 es_response (c, apdu->u.extendedServicesResponse);
2440 ZOOM_connection_remove_task (c);
2443 if (c->reconnect_ok)
2446 c->tasks->running = 0;
2447 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2451 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2456 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2462 static void handle_srw_response(ZOOM_connection c,
2463 Z_SRW_searchRetrieveResponse *res)
2465 ZOOM_resultset resultset = 0;
2473 if (c->tasks->which == ZOOM_TASK_SEARCH)
2474 resultset = c->tasks->u.search.resultset;
2475 else if (c->tasks->which == ZOOM_TASK_RETRIEVE)
2476 resultset = c->tasks->u.retrieve.resultset;
2480 event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
2481 ZOOM_connection_put_event(c, event);
2483 resultset->size = 0;
2485 yaz_log(LOG_DEBUG, "got SRW response OK");
2487 if (res->numberOfRecords)
2488 resultset->size = *res->numberOfRecords;
2490 for (i = 0; i<res->num_records; i++)
2494 Z_NamePlusRecord *npr = (Z_NamePlusRecord *)
2495 odr_malloc(c->odr_in, sizeof(Z_NamePlusRecord));
2497 if (res->records[i].recordPosition &&
2498 *res->records[i].recordPosition > 0)
2499 pos = *res->records[i].recordPosition - 1;
2501 pos = resultset->start + i;
2503 npr->databaseName = 0;
2504 npr->which = Z_NamePlusRecord_databaseRecord;
2505 npr->u.databaseRecord = (Z_External *)
2506 odr_malloc(c->odr_in, sizeof(Z_External));
2507 npr->u.databaseRecord->descriptor = 0;
2508 npr->u.databaseRecord->direct_reference =
2509 yaz_oidval_to_z3950oid(c->odr_in, CLASS_RECSYN, VAL_TEXT_XML);
2510 npr->u.databaseRecord->which = Z_External_octet;
2511 npr->u.databaseRecord->u.octet_aligned = (Odr_oct *)
2512 odr_malloc(c->odr_in, sizeof(Odr_oct));
2513 npr->u.databaseRecord->u.octet_aligned->buf =
2514 res->records[i].recordData_buf;
2515 npr->u.databaseRecord->u.octet_aligned->len =
2516 npr->u.databaseRecord->u.octet_aligned->size =
2517 res->records[i].recordData_len;
2518 record_cache_add (resultset, npr, pos);
2520 if (res->num_diagnostics > 0)
2522 set_dset_error(c, *res->diagnostics[0].code, "SRW",
2523 res->diagnostics[0].details, 0);
2525 nmem = odr_extract_mem(c->odr_in);
2526 nmem_transfer(resultset->odr->mem, nmem);
2532 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
2535 const char *content_type = z_HTTP_header_lookup(hres->headers,
2537 const char *connection_head = z_HTTP_header_lookup(hres->headers,
2540 yaz_log (LOG_DEBUG, "handle_http");
2542 if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
2544 Z_SOAP *soap_package = 0;
2545 ODR o = odr_createmem(ODR_DECODE);
2546 Z_SOAP_Handler soap_handlers[2] = {
2547 {"http://www.loc.gov/zing/srw/v1.0/", 0,
2548 (Z_SOAP_fun) yaz_srw_codec},
2551 ret = z_soap_codec(o, &soap_package,
2552 &hres->content_buf, &hres->content_len,
2554 if (!ret && soap_package->which == Z_SOAP_generic &&
2555 soap_package->u.generic->no == 0)
2557 Z_SRW_PDU *sr = soap_package->u.generic->p;
2558 if (sr->which == Z_SRW_searchRetrieve_response)
2559 handle_srw_response(c, sr->u.response);
2563 else if (!ret && (soap_package->which == Z_SOAP_fault
2564 || soap_package->which == Z_SOAP_error))
2566 set_HTTP_error(c, hres->code,
2567 soap_package->u.fault->fault_code,
2568 soap_package->u.fault->fault_string);
2576 if (hres->code != 200)
2577 set_HTTP_error(c, hres->code, 0, 0);
2579 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2582 ZOOM_connection_remove_task(c);
2583 if (!strcmp(hres->version, "1.0"))
2585 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
2586 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
2591 /* HTTP 1.1: only if no close we stay alive .. */
2592 if (connection_head && !strcmp(connection_head, "close"))
2598 static int do_read (ZOOM_connection c)
2603 event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
2604 ZOOM_connection_put_event (c, event);
2606 yaz_log (LOG_DEBUG, "do_read len=%d", c->len_in);
2608 r = cs_get (c->cs, &c->buf_in, &c->len_in);
2613 if (c->reconnect_ok)
2616 c->reconnect_ok = 0;
2617 yaz_log (LOG_DEBUG, "reconnect read");
2618 c->tasks->running = 0;
2619 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2623 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2632 odr_reset (c->odr_in);
2633 odr_setbuf (c->odr_in, c->buf_in, r, 0);
2634 event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
2635 ZOOM_connection_put_event (c, event);
2637 if (!z_GDU (c->odr_in, &gdu, 0, 0))
2639 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2642 else if (gdu->which == Z_GDU_Z3950)
2643 handle_apdu (c, gdu->u.z3950);
2644 else if (gdu->which == Z_GDU_HTTP_Response)
2647 handle_http (c, gdu->u.HTTP_Response);
2649 set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
2653 c->reconnect_ok = 0;
2658 static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
2663 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
2664 ZOOM_connection_put_event (c, event);
2666 yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
2667 if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
2669 if (c->reconnect_ok)
2672 c->reconnect_ok = 0;
2673 yaz_log (LOG_DEBUG, "reconnect write");
2674 c->tasks->running = 0;
2675 ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
2676 return zoom_pending;
2678 if (c->state == STATE_CONNECTING)
2679 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2681 set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
2683 return zoom_complete;
2687 c->mask = ZOOM_SELECT_EXCEPT;
2688 if (c->cs->io_pending & CS_WANT_WRITE)
2689 c->mask += ZOOM_SELECT_WRITE;
2690 if (c->cs->io_pending & CS_WANT_READ)
2691 c->mask += ZOOM_SELECT_READ;
2692 yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
2696 c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
2697 yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
2699 return zoom_pending;
2702 static zoom_ret do_write(ZOOM_connection c)
2704 return do_write_ex (c, c->buf_out, c->len_out);
2708 ZOOM_API(const char *)
2709 ZOOM_connection_option_get (ZOOM_connection c, const char *key)
2711 return ZOOM_options_get (c->options, key);
2715 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
2718 ZOOM_options_set (c->options, key, val);
2721 ZOOM_API(const char *)
2722 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
2724 return ZOOM_options_get (r->options, key);
2728 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
2731 ZOOM_options_set (r->options, key, val);
2736 ZOOM_connection_errcode (ZOOM_connection c)
2738 return ZOOM_connection_error (c, 0, 0);
2741 ZOOM_API(const char *)
2742 ZOOM_connection_errmsg (ZOOM_connection c)
2745 ZOOM_connection_error (c, &msg, 0);
2749 ZOOM_API(const char *)
2750 ZOOM_connection_addinfo (ZOOM_connection c)
2752 const char *addinfo;
2753 ZOOM_connection_error (c, 0, &addinfo);
2757 ZOOM_API(const char *)
2758 ZOOM_diag_str (int error)
2762 case ZOOM_ERROR_NONE:
2764 case ZOOM_ERROR_CONNECT:
2765 return "Connect failed";
2766 case ZOOM_ERROR_MEMORY:
2767 return "Out of memory";
2768 case ZOOM_ERROR_ENCODE:
2769 return "Encoding failed";
2770 case ZOOM_ERROR_DECODE:
2771 return "Decoding failed";
2772 case ZOOM_ERROR_CONNECTION_LOST:
2773 return "Connection lost";
2774 case ZOOM_ERROR_INIT:
2775 return "Init rejected";
2776 case ZOOM_ERROR_INTERNAL:
2777 return "Internal failure";
2778 case ZOOM_ERROR_TIMEOUT:
2780 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
2781 return "Unsupported protocol";
2782 case ZOOM_ERROR_UNSUPPORTED_QUERY:
2783 return "Unsupported query type";
2785 return diagbib1_str (error);
2790 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
2791 const char **addinfo, const char **diagset)
2793 int error = c->error;
2796 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
2797 *cp = ZOOM_diag_str(error);
2798 else if (!strcmp(c->diagset, "HTTP"))
2799 *cp = z_HTTP_errmsg(c->error);
2800 else if (!strcmp(c->diagset, "Bib-1"))
2801 *cp = ZOOM_diag_str(error);
2802 else if (!strcmp(c->diagset, "SRW"))
2803 *cp = yaz_diag_srw_str(c->error);
2805 *cp = "Unknown error and diagnostic set";
2808 *addinfo = c->addinfo ? c->addinfo : "";
2810 *diagset = c->diagset ? c->diagset : "";
2815 ZOOM_connection_error (ZOOM_connection c, const char **cp,
2816 const char **addinfo)
2818 return ZOOM_connection_error_x(c, cp, addinfo, 0);
2821 static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
2823 ZOOM_Event event = 0;
2824 int r = cs_look(c->cs);
2825 yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
2830 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2831 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2833 ZOOM_connection_put_event (c, event);
2835 else if (r == CS_CONNECT)
2838 event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
2840 ret = cs_rcvconnect (c->cs);
2841 yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
2844 c->mask = ZOOM_SELECT_EXCEPT;
2845 if (c->cs->io_pending & CS_WANT_WRITE)
2846 c->mask += ZOOM_SELECT_WRITE;
2847 if (c->cs->io_pending & CS_WANT_READ)
2848 c->mask += ZOOM_SELECT_READ;
2849 ZOOM_connection_put_event (c, event);
2853 ZOOM_connection_put_event (c, event);
2854 if (c->proto == PROTO_Z3950)
2855 ZOOM_connection_send_init(c);
2858 /* no init request for SRW .. */
2859 assert (c->tasks->which == ZOOM_TASK_CONNECT);
2860 ZOOM_connection_remove_task (c);
2862 ZOOM_connection_exec_task (c);
2864 c->state = STATE_ESTABLISHED;
2868 set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
2870 ZOOM_connection_put_event (c, event);
2875 if (mask & ZOOM_SELECT_READ)
2877 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2884 ZOOM_connection_last_event(ZOOM_connection cs)
2887 return ZOOM_EVENT_NONE;
2888 return cs->last_event;
2892 ZOOM_event (int no, ZOOM_connection *cs)
2896 struct pollfd pollfds[1024];
2897 ZOOM_connection poll_cs[1024];
2900 fd_set input, output, except;
2905 for (i = 0; i<no; i++)
2907 ZOOM_connection c = cs[i];
2909 if (c && (event = ZOOM_connection_get_event(c)))
2911 ZOOM_Event_destroy (event);
2915 for (i = 0; i<no; i++)
2917 ZOOM_connection c = cs[i];
2919 if (c && ZOOM_connection_exec_task (c))
2921 if ((event = ZOOM_connection_get_event(c)))
2923 ZOOM_Event_destroy (event);
2936 for (i = 0; i<no; i++)
2938 ZOOM_connection c = cs[i];
2944 fd = z3950_connection_socket(c);
2945 mask = z3950_connection_mask(c);
2952 this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
2953 if (this_timeout != -1 && this_timeout < timeout)
2954 timeout = this_timeout;
2958 short poll_events = 0;
2960 if (mask & ZOOM_SELECT_READ)
2961 poll_events += POLLIN;
2962 if (mask & ZOOM_SELECT_WRITE)
2963 poll_events += POLLOUT;
2964 if (mask & ZOOM_SELECT_EXCEPT)
2965 poll_events += POLLERR;
2966 pollfds[nfds].fd = fd;
2967 pollfds[nfds].events = poll_events;
2968 pollfds[nfds].revents = 0;
2973 if (mask & ZOOM_SELECT_READ)
2975 FD_SET (fd, &input);
2978 if (mask & ZOOM_SELECT_WRITE)
2980 FD_SET (fd, &output);
2983 if (mask & ZOOM_SELECT_EXCEPT)
2985 FD_SET (fd, &except);
2990 if (timeout >= 5000)
2997 r = poll (pollfds, nfds, timeout * 1000);
2998 for (i = 0; i<nfds; i++)
3000 ZOOM_connection c = poll_cs[i];
3004 if (pollfds[i].revents & POLLIN)
3005 mask += ZOOM_SELECT_READ;
3006 if (pollfds[i].revents & POLLOUT)
3007 mask += ZOOM_SELECT_WRITE;
3008 if (pollfds[i].revents & POLLERR)
3009 mask += ZOOM_SELECT_EXCEPT;
3011 ZOOM_connection_do_io(c, mask);
3013 else if (r == 0 && c->mask)
3015 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3016 /* timeout and this connection was waiting */
3017 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3019 ZOOM_connection_put_event(c, event);
3023 tv.tv_sec = timeout;
3025 yaz_log (LOG_DEBUG, "select start");
3026 r = select (max_fd+1, &input, &output, &except, &tv);
3027 yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
3028 for (i = 0; i<no; i++)
3030 ZOOM_connection c = cs[i];
3035 fd = z3950_connection_socket(c);
3039 /* no timeout and real socket */
3040 if (FD_ISSET(fd, &input))
3041 mask += ZOOM_SELECT_READ;
3042 if (FD_ISSET(fd, &output))
3043 mask += ZOOM_SELECT_WRITE;
3044 if (FD_ISSET(fd, &except))
3045 mask += ZOOM_SELECT_EXCEPT;
3047 ZOOM_connection_do_io(c, mask);
3049 if (r == 0 && c->mask)
3051 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
3052 /* timeout and this connection was waiting */
3053 set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
3055 yaz_log (LOG_DEBUG, "timeout");
3056 ZOOM_connection_put_event(c, event);
3060 for (i = 0; i<no; i++)
3062 ZOOM_connection c = cs[i];
3064 if (c && (event = ZOOM_connection_get_event(c)))
3066 ZOOM_Event_destroy (event);