1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2012 Index Data
3 * See the file LICENSE for details.
7 * \brief Implements ZOOM C interface.
18 #include <yaz/yaz-util.h>
19 #include <yaz/xmalloc.h>
20 #include <yaz/otherinfo.h>
22 #include <yaz/diagbib1.h>
23 #include <yaz/charneg.h>
24 #include <yaz/query-charset.h>
25 #include <yaz/snprintf.h>
26 #include <yaz/facet.h>
28 #include <yaz/shptr.h>
34 static int log_api0 = 0;
35 static int log_details0 = 0;
37 static void resultset_destroy(ZOOM_resultset r);
38 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out);
40 static void initlog(void)
42 static int log_level_initialized = 0;
44 if (!log_level_initialized)
46 log_api0 = yaz_log_module_level("zoom");
47 log_details0 = yaz_log_module_level("zoomdetails");
48 log_level_initialized = 1;
52 void ZOOM_connection_remove_tasks(ZOOM_connection c);
54 void ZOOM_set_dset_error(ZOOM_connection c, int error,
56 const char *addinfo, const char *addinfo2)
63 if (!c->diagset || strcmp(dset, c->diagset))
66 c->diagset = xstrdup(dset);
67 /* remove integer part from SRW diagset .. */
68 if ((cp = strrchr(c->diagset, '/')))
71 if (addinfo && addinfo2)
73 c->addinfo = (char*) xmalloc(strlen(addinfo) + strlen(addinfo2) + 3);
74 strcpy(c->addinfo, addinfo);
75 strcat(c->addinfo, ": ");
76 strcat(c->addinfo, addinfo2);
79 c->addinfo = xstrdup(addinfo);
80 if (error != ZOOM_ERROR_NONE)
82 yaz_log(c->log_api, "%p set_dset_error %s %s:%d %s %s",
83 c, c->host_port ? c->host_port : "<>", dset, error,
84 addinfo ? addinfo : "",
85 addinfo2 ? addinfo2 : "");
86 ZOOM_connection_remove_tasks(c);
90 int ZOOM_uri_to_code(const char *uri)
94 if ((cp = strrchr(uri, '/')))
101 void ZOOM_set_error(ZOOM_connection c, int error, const char *addinfo)
103 ZOOM_set_dset_error(c, error, "ZOOM", addinfo, 0);
106 static void clear_error(ZOOM_connection c)
109 * If an error is tied to an operation then it's ok to clear: for
110 * example, a diagnostic returned from a search is cleared by a
111 * subsequent search. However, problems such as Connection Lost
112 * or Init Refused are not cleared, because they are not
113 * recoverable: doing another search doesn't help.
116 ZOOM_connection_remove_events(c);
119 case ZOOM_ERROR_CONNECT:
120 case ZOOM_ERROR_MEMORY:
121 case ZOOM_ERROR_DECODE:
122 case ZOOM_ERROR_CONNECTION_LOST:
123 case ZOOM_ERROR_INIT:
124 case ZOOM_ERROR_INTERNAL:
125 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
128 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
132 void ZOOM_connection_show_task(ZOOM_task task)
136 case ZOOM_TASK_SEARCH:
137 yaz_log(YLOG_LOG, "search p=%p", task);
139 case ZOOM_TASK_RETRIEVE:
140 yaz_log(YLOG_LOG, "retrieve p=%p", task);
142 case ZOOM_TASK_CONNECT:
143 yaz_log(YLOG_LOG, "connect p=%p", task);
146 yaz_log(YLOG_LOG, "scan p=%p", task);
151 void ZOOM_connection_show_tasks(ZOOM_connection c)
154 yaz_log(YLOG_LOG, "connection p=%p tasks", c);
155 for (task = c->tasks; task; task = task->next)
156 ZOOM_connection_show_task(task);
159 ZOOM_task ZOOM_connection_add_task(ZOOM_connection c, int which)
161 ZOOM_task *taskp = &c->tasks;
163 taskp = &(*taskp)->next;
164 *taskp = (ZOOM_task) xmalloc(sizeof(**taskp));
165 (*taskp)->running = 0;
166 (*taskp)->which = which;
172 ZOOM_API(int) ZOOM_connection_is_idle(ZOOM_connection c)
174 return c->tasks ? 0 : 1;
177 ZOOM_task ZOOM_connection_insert_task(ZOOM_connection c, int which)
179 ZOOM_task task = (ZOOM_task) xmalloc(sizeof(*task));
181 task->next = c->tasks;
189 void ZOOM_connection_remove_task(ZOOM_connection c)
191 ZOOM_task task = c->tasks;
195 c->tasks = task->next;
198 case ZOOM_TASK_SEARCH:
199 resultset_destroy(task->u.search.resultset);
200 xfree(task->u.search.syntax);
201 xfree(task->u.search.elementSetName);
203 case ZOOM_TASK_RETRIEVE:
204 resultset_destroy(task->u.retrieve.resultset);
205 xfree(task->u.retrieve.syntax);
206 xfree(task->u.retrieve.elementSetName);
208 case ZOOM_TASK_CONNECT:
211 ZOOM_scanset_destroy(task->u.scan.scan);
213 case ZOOM_TASK_PACKAGE:
214 ZOOM_package_destroy(task->u.package);
217 resultset_destroy(task->u.sort.resultset);
218 ZOOM_query_destroy(task->u.sort.q);
227 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_END);
228 ZOOM_connection_put_event(c, event);
233 void ZOOM_connection_remove_tasks(ZOOM_connection c)
236 ZOOM_connection_remove_task(c);
239 static void odr_wrbuf_write(ODR o, void *handle, int type,
240 const char *buf, int len)
242 WRBUF w = (WRBUF) handle;
243 wrbuf_write(w, buf, len);
246 ZOOM_API(ZOOM_connection)
247 ZOOM_connection_create(ZOOM_options options)
249 ZOOM_connection c = (ZOOM_connection) xmalloc(sizeof(*c));
253 c->log_api = log_api0;
254 c->log_details = log_details0;
256 yaz_log(c->log_api, "%p ZOOM_connection_create", c);
258 c->proto = PROTO_Z3950;
260 ZOOM_connection_set_mask(c, 0);
262 c->state = STATE_IDLE;
265 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
272 c->options = ZOOM_options_create_with_parent(options);
278 c->charset = c->lang = 0;
289 c->maximum_record_size = 0;
290 c->preferred_message_size = 0;
292 c->odr_in = odr_createmem(ODR_DECODE);
293 c->odr_out = odr_createmem(ODR_ENCODE);
298 c->support_named_resultsets = 0;
299 c->last_event = ZOOM_EVENT_NONE;
301 c->m_queue_front = 0;
309 ZOOM_API(void) ZOOM_connection_save_apdu_wrbuf(ZOOM_connection c, WRBUF w)
313 odr_destroy(c->odr_save);
318 c->odr_save = odr_createmem(ODR_PRINT);
319 odr_set_stream(c->odr_save, w, odr_wrbuf_write, 0);
323 /* set database names. Take local databases (if set); otherwise
324 take databases given in ZURL (if set); otherwise use Default */
325 char **ZOOM_connection_get_databases(ZOOM_connection con, ZOOM_options options,
328 char **databaseNames;
329 const char *cp = ZOOM_options_get(options, "databaseName");
331 if ((!cp || !*cp) && con->host_port)
333 if (strncmp(con->host_port, "unix:", 5) == 0)
334 cp = strchr(con->host_port+5, ':');
336 cp = strchr(con->host_port, '/');
342 nmem_strsplit(odr_getmem(odr), "+", cp, &databaseNames, num);
343 return databaseNames;
346 ZOOM_API(ZOOM_connection)
347 ZOOM_connection_new(const char *host, int portnum)
349 ZOOM_connection c = ZOOM_connection_create(0);
351 ZOOM_connection_connect(c, host, portnum);
355 static zoom_sru_mode get_sru_mode_from_string(const char *s)
358 return zoom_sru_soap;
359 if (!yaz_matchstr(s, "soap"))
360 return zoom_sru_soap;
361 else if (!yaz_matchstr(s, "get"))
363 else if (!yaz_matchstr(s, "post"))
364 return zoom_sru_post;
365 else if (!yaz_matchstr(s, "solr"))
366 return zoom_sru_solr;
367 return zoom_sru_error;
371 ZOOM_connection_connect(ZOOM_connection c,
372 const char *host, int portnum)
378 yaz_log(c->log_api, "%p ZOOM_connection_connect host=%s portnum=%d",
379 c, host ? host : "null", portnum);
381 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
382 ZOOM_connection_remove_tasks(c);
386 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
387 odr_destroy(c->odr_print);
389 if (ZOOM_options_get_bool(c->options, "apdulog", 0))
391 c->odr_print = odr_createmem(ODR_PRINT);
392 odr_setprint(c->odr_print, yaz_log_file());
399 yaz_log(c->log_details, "%p ZOOM_connection_connect reconnect ok", c);
403 yaz_log(c->log_details, "%p ZOOM_connection_connect connect", c);
406 val = ZOOM_options_get(c->options, "proxy");
409 yaz_log(c->log_details, "%p ZOOM_connection_connect proxy=%s", c, val);
410 c->proxy = xstrdup(val);
415 val = ZOOM_options_get(c->options, "tproxy");
418 yaz_log(c->log_details, "%p ZOOM_connection_connect tproxy=%s", c, val);
419 c->tproxy = xstrdup(val);
424 val = ZOOM_options_get(c->options, "charset");
427 yaz_log(c->log_details, "%p ZOOM_connection_connect charset=%s", c, val);
428 c->charset = xstrdup(val);
432 val = ZOOM_options_get(c->options, "lang");
435 yaz_log(c->log_details, "%p ZOOM_connection_connect lang=%s", c, val);
436 c->lang = xstrdup(val);
447 sprintf(hostn, "%.80s:%d", host, portnum);
448 c->host_port = xstrdup(hostn);
451 c->host_port = xstrdup(host);
456 * If the "<scheme>:" part of the host string is preceded by one
457 * or more comma-separated <name>=<value> pairs, these are taken
458 * to be options to be set on the connection object. Among other
459 * applications, this facility can be used to embed authentication
461 * user=admin,password=secret,tcp:localhost:9999
463 char *remainder = c->host_port;
464 char *pcolon = strchr(remainder, ':');
467 while ((pcomma = strchr(remainder, ',')) != 0 &&
468 (pcolon == 0 || pcomma < pcolon))
471 if ((pequals = strchr(remainder, '=')) != 0)
474 ZOOM_connection_option_set(c, remainder, pequals+1);
476 remainder = pcomma+1;
479 if (remainder != c->host_port)
481 remainder = xstrdup(remainder);
483 c->host_port = remainder;
487 val = ZOOM_options_get(c->options, "sru");
488 c->sru_mode = get_sru_mode_from_string(val);
490 xfree(c->sru_version);
491 val = ZOOM_options_get(c->options, "sru_version");
492 c->sru_version = xstrdup(val ? val : "1.2");
494 ZOOM_options_set(c->options, "host", c->host_port);
496 xfree(c->cookie_out);
498 val = ZOOM_options_get(c->options, "cookie");
501 yaz_log(c->log_details, "%p ZOOM_connection_connect cookie=%s", c, val);
502 c->cookie_out = xstrdup(val);
507 val = ZOOM_options_get(c->options, "clientIP");
510 yaz_log(c->log_details, "%p ZOOM_connection_connect clientIP=%s",
512 c->client_IP = xstrdup(val);
517 val = ZOOM_options_get(c->options, "group");
519 c->group = xstrdup(val);
523 val = ZOOM_options_get(c->options, "user");
525 c->user = xstrdup(val);
529 val = ZOOM_options_get(c->options, "password");
531 val = ZOOM_options_get(c->options, "pass");
534 c->password = xstrdup(val);
536 c->maximum_record_size =
537 ZOOM_options_get_int(c->options, "maximumRecordSize", 1024*1024);
538 c->preferred_message_size =
539 ZOOM_options_get_int(c->options, "preferredMessageSize", 1024*1024);
541 c->async = ZOOM_options_get_bool(c->options, "async", 0);
543 if (c->sru_mode == zoom_sru_error)
545 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, val);
546 ZOOM_connection_remove_tasks(c);
550 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
551 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
555 while (ZOOM_event(1, &c))
560 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
562 #if ZOOM_RESULT_LISTS
566 /* remove ourselves from the resultsets in connection */
567 ZOOM_resultset *rp = &r->connection->resultsets;
570 assert(*rp); /* we must be in this list!! */
572 { /* OK, we're here - take us out of it */
584 ZOOM_connection_destroy(ZOOM_connection c)
586 #if ZOOM_RESULT_LISTS
587 ZOOM_resultsets list;
593 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
597 #if ZOOM_RESULT_LISTS
598 /* Remove the connection's usage of resultsets */
599 list = c->resultsets;
601 ZOOM_resultsets removed = list;
602 ZOOM_resultset_destroy(list->resultset);
607 for (r = c->resultsets; r; r = r->next)
614 odr_destroy(c->odr_in);
615 odr_destroy(c->odr_out);
617 odr_destroy(c->odr_save);
620 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
621 odr_destroy(c->odr_print);
623 ZOOM_options_destroy(c->options);
624 ZOOM_connection_remove_tasks(c);
625 ZOOM_connection_remove_events(c);
631 xfree(c->cookie_out);
637 xfree(c->sru_version);
641 void ZOOM_resultset_addref(ZOOM_resultset r)
645 yaz_mutex_enter(r->mutex);
647 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
649 yaz_mutex_leave(r->mutex);
653 static int g_resultsets = 0;
654 static YAZ_MUTEX g_resultset_mutex = 0;
656 /* TODO We need to initialize this before running threaded:
657 * call resultset_use(0) */
659 static int resultset_use(int delta) {
661 if (g_resultset_mutex == 0)
662 yaz_mutex_create(&g_resultset_mutex);
663 yaz_mutex_enter(g_resultset_mutex);
664 g_resultsets += delta;
665 resultset_count = g_resultsets;
666 yaz_mutex_leave(g_resultset_mutex);
667 return resultset_count;
670 int resultsets_count(void) {
671 return resultset_use(0);
674 ZOOM_resultset ZOOM_resultset_create(void)
677 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
681 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
684 r->odr = odr_createmem(ODR_ENCODE);
689 for (i = 0; i<RECORD_HASH_SIZE; i++)
690 r->record_hash[i] = 0;
694 r->databaseNames = 0;
695 r->num_databaseNames = 0;
700 yaz_mutex_create(&r->mutex);
703 WRBUF w = wrbuf_alloc();
704 YAZ_SHPTR_INIT(r->record_wrbuf, w);
711 ZOOM_API(ZOOM_resultset)
712 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
715 ZOOM_query s = ZOOM_query_create();
717 ZOOM_query_prefix(s, q);
719 r = ZOOM_connection_search(c, s);
720 ZOOM_query_destroy(s);
724 ZOOM_API(ZOOM_resultset)
725 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
727 ZOOM_resultset r = ZOOM_resultset_create();
731 const char *syntax, *elementSetName;
732 #if ZOOM_RESULT_LISTS
736 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
737 r->r_sort_spec = ZOOM_query_get_sortspec(q);
740 r->options = ZOOM_options_create_with_parent(c->options);
742 start = ZOOM_options_get_int(r->options, "start", 0);
743 count = ZOOM_options_get_int(r->options, "count", 0);
745 /* If "presentChunk" is defined use that; otherwise "step" */
746 const char *cp = ZOOM_options_get(r->options, "presentChunk");
747 r->step = ZOOM_options_get_int(r->options,
748 (cp != 0 ? "presentChunk": "step"), 0);
750 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
751 cp = ZOOM_options_get(r->options, "setname");
753 r->setname = xstrdup(cp);
754 cp = ZOOM_options_get(r->options, "schema");
756 r->schema = xstrdup(cp);
758 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
763 #if ZOOM_RESULT_LISTS
764 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
765 set = xmalloc(sizeof(*set));
766 ZOOM_resultset_addref(r);
768 set->next = c->resultsets;
771 r->next = c->resultsets;
774 if (c->host_port && c->proto == PROTO_HTTP)
778 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
779 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
783 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
788 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
789 task->u.search.resultset = r;
790 task->u.search.start = start;
791 task->u.search.count = count;
792 task->u.search.recv_search_fired = 0;
794 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
795 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
796 elementSetName = ZOOM_options_get(r->options, "elementSetName");
797 task->u.search.elementSetName = elementSetName
798 ? xstrdup(elementSetName) : 0;
800 ZOOM_resultset_addref(r);
802 ZOOM_query_addref(q);
806 while (ZOOM_event(1, &c))
813 ZOOM_resultset_sort(ZOOM_resultset r,
814 const char *sort_type, const char *sort_spec)
816 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
820 ZOOM_resultset_sort1(ZOOM_resultset r,
821 const char *sort_type, const char *sort_spec)
823 ZOOM_connection c = r->connection;
827 newq = ZOOM_query_create();
828 if (ZOOM_query_sortby(newq, sort_spec) < 0)
831 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
832 r, r, sort_type, sort_spec);
836 if (c->host_port && c->proto == PROTO_HTTP)
840 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
841 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
845 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
851 ZOOM_resultset_cache_reset(r);
852 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
853 task->u.sort.resultset = r;
854 task->u.sort.q = newq;
856 ZOOM_resultset_addref(r);
860 while (ZOOM_event(1, &c))
868 ZOOM_resultset_destroy(ZOOM_resultset r)
870 resultset_destroy(r);
873 static void resultset_destroy(ZOOM_resultset r)
877 yaz_mutex_enter(r->mutex);
879 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
881 if (r->refcount == 0)
883 yaz_mutex_leave(r->mutex);
885 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
886 ZOOM_resultset_cache_reset(r);
887 ZOOM_resultset_release(r);
888 ZOOM_query_destroy(r->query);
889 ZOOM_options_destroy(r->options);
893 yaz_mutex_destroy(&r->mutex);
895 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
901 yaz_mutex_leave(r->mutex);
905 ZOOM_resultset_size(ZOOM_resultset r)
910 int ZOOM_test_reconnect(ZOOM_connection c)
914 if (!c->reconnect_ok)
916 ZOOM_connection_close(c);
918 c->tasks->running = 0;
919 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
921 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
922 ZOOM_connection_put_event(c, event);
927 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
928 int force_sync, int start, int count)
933 const char *syntax, *elementSetName;
937 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
938 " count=%d", r, force_sync, start, count);
943 if (c->host_port && c->proto == PROTO_HTTP)
947 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
948 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
952 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
957 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
958 task->u.retrieve.resultset = r;
959 task->u.retrieve.start = start;
960 task->u.retrieve.count = count;
962 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
963 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
964 elementSetName = ZOOM_options_get(r->options, "elementSetName");
965 task->u.retrieve.elementSetName = elementSetName
966 ? xstrdup(elementSetName) : 0;
968 cp = ZOOM_options_get(r->options, "schema");
971 if (!r->schema || strcmp(r->schema, cp))
974 r->schema = xstrdup(cp);
978 ZOOM_resultset_addref(r);
980 if (!r->connection->async || force_sync)
981 while (r->connection && ZOOM_event(1, &r->connection))
986 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
987 size_t start, size_t count)
989 int force_present = 0;
993 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
994 r, r, (long) start, (long) count);
997 ZOOM_resultset_retrieve(r, force_present, start, count);
1001 for (i = 0; i< count; i++)
1002 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
1007 ZOOM_resultset_facets_size(ZOOM_resultset r) {
1008 return r->num_facets;
1011 ZOOM_API(ZOOM_facet_field)
1012 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
1013 int num = r->num_facets;
1014 ZOOM_facet_field *facets = r->facets;
1016 for (index = 0; index < num; index++) {
1017 if (!strcmp(facets[index]->facet_name, name)) {
1018 return facets[index];
1025 ZOOM_API(ZOOM_facet_field *)
1026 ZOOM_resultset_facets(ZOOM_resultset r)
1031 ZOOM_API(const char**)
1032 ZOOM_resultset_facet_names(ZOOM_resultset r)
1034 return (const char **) r->facets_names;
1037 ZOOM_API(const char*)
1038 ZOOM_facet_field_name(ZOOM_facet_field field)
1040 return field->facet_name;
1044 ZOOM_facet_field_term_count(ZOOM_facet_field field)
1046 return field->num_terms;
1049 ZOOM_API(const char*)
1050 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
1051 *freq = field->facet_terms[idx].frequency;
1052 return field->facet_terms[idx].term;
1056 static void get_cert(ZOOM_connection c)
1061 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
1063 ZOOM_connection_option_setl(c, "sslPeerCert",
1064 cert_buf, cert_len);
1069 static zoom_ret do_connect_host(ZOOM_connection c,
1070 const char *logical_url);
1072 static zoom_ret do_connect(ZOOM_connection c)
1074 return do_connect_host(c, c->host_port);
1077 static zoom_ret do_connect_host(ZOOM_connection c, const char *logical_url)
1083 c->cs = cs_create_host_proxy(logical_url, 0, &add,
1084 c->tproxy ? c->tproxy : c->proxy);
1086 if (c->cs && c->cs->protocol == PROTO_HTTP)
1089 c->proto = PROTO_HTTP;
1091 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1092 ZOOM_connection_close(c);
1093 return zoom_complete;
1098 int ret = cs_connect(c->cs, add);
1101 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1102 ZOOM_connection_put_event(c, event);
1104 if (c->proto == PROTO_Z3950)
1105 ZOOM_connection_Z3950_send_init(c);
1108 /* no init request for SRW .. */
1109 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1110 ZOOM_connection_remove_task(c);
1111 ZOOM_connection_set_mask(c, 0);
1112 ZOOM_connection_exec_task(c);
1114 c->state = STATE_ESTABLISHED;
1115 return zoom_pending;
1119 int mask = ZOOM_SELECT_EXCEPT;
1120 if (c->cs->io_pending & CS_WANT_WRITE)
1121 mask += ZOOM_SELECT_WRITE;
1122 if (c->cs->io_pending & CS_WANT_READ)
1123 mask += ZOOM_SELECT_READ;
1124 ZOOM_connection_set_mask(c, mask);
1125 c->state = STATE_CONNECTING;
1126 return zoom_pending;
1129 c->state = STATE_IDLE;
1130 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1131 return zoom_complete;
1134 /* returns 1 if PDU was sent OK (still pending )
1135 0 if PDU was not sent OK (nothing to wait for)
1138 ZOOM_API(ZOOM_record)
1139 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1141 const char *syntax =
1142 ZOOM_options_get(s->options, "preferredRecordSyntax");
1143 const char *elementSetName =
1144 ZOOM_options_get(s->options, "elementSetName");
1146 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1149 ZOOM_API(ZOOM_record)
1150 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1152 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1157 * MIKE: I think force_sync should always be zero, but I don't
1158 * want to make this change until I get the go-ahead from
1159 * Adam, in case something depends on the old synchronous
1163 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1164 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1165 rec = ZOOM_resultset_record_immediate(r, pos);
1170 ZOOM_API(ZOOM_scanset)
1171 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1174 ZOOM_query q = ZOOM_query_create();
1176 ZOOM_query_prefix(q, start);
1178 s = ZOOM_connection_scan1(c, q);
1179 ZOOM_query_destroy(q);
1184 ZOOM_API(ZOOM_scanset)
1185 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1187 ZOOM_scanset scan = 0;
1188 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1192 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1193 scan->connection = c;
1194 scan->odr = odr_createmem(ODR_DECODE);
1195 scan->options = ZOOM_options_create_with_parent(c->options);
1197 scan->scan_response = 0;
1198 scan->srw_scan_response = 0;
1201 ZOOM_query_addref(q);
1202 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1203 &scan->num_databaseNames,
1208 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1209 task->u.scan.scan = scan;
1214 while (ZOOM_event(1, &c))
1222 ZOOM_scanset_destroy(ZOOM_scanset scan)
1227 if (scan->refcount == 0)
1229 ZOOM_query_destroy(scan->query);
1231 odr_destroy(scan->odr);
1233 ZOOM_options_destroy(scan->options);
1238 static zoom_ret send_package(ZOOM_connection c)
1242 yaz_log(c->log_details, "%p send_package", c);
1244 return zoom_complete;
1245 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1247 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1248 ZOOM_connection_put_event(c, event);
1250 c->buf_out = c->tasks->u.package->buf_out;
1251 c->len_out = c->tasks->u.package->len_out;
1253 return ZOOM_send_buf(c);
1257 ZOOM_scanset_size(ZOOM_scanset scan)
1262 if (scan->scan_response && scan->scan_response->entries)
1263 return scan->scan_response->entries->num_entries;
1264 else if (scan->srw_scan_response)
1265 return scan->srw_scan_response->num_terms;
1269 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1271 const char **value_term, size_t *value_len,
1272 const char **disp_term, size_t *disp_len)
1274 size_t noent = ZOOM_scanset_size(scan);
1285 if (scan->scan_response)
1287 Z_ScanResponse *res = scan->scan_response;
1288 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1290 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1292 *value_term = (const char *) t->term->u.general->buf;
1293 *value_len = t->term->u.general->len;
1296 *disp_term = t->displayTerm;
1297 *disp_len = strlen(*disp_term);
1299 else if (t->term->which == Z_Term_general)
1301 *disp_term = (const char *) t->term->u.general->buf;
1302 *disp_len = t->term->u.general->len;
1304 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1307 if (scan->srw_scan_response)
1309 Z_SRW_scanResponse *res = scan->srw_scan_response;
1310 Z_SRW_scanTerm *t = res->terms + pos;
1313 *value_term = t->value;
1314 *value_len = strlen(*value_term);
1317 *disp_term = t->displayTerm;
1319 *disp_term = t->value;
1320 *disp_len = strlen(*disp_term);
1321 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1326 ZOOM_API(const char *)
1327 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1328 size_t *occ, size_t *len)
1330 const char *value_term = 0;
1331 size_t value_len = 0;
1332 const char *disp_term = 0;
1333 size_t disp_len = 0;
1335 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1336 &disp_term, &disp_len);
1342 ZOOM_API(const char *)
1343 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1344 size_t *occ, size_t *len)
1346 const char *value_term = 0;
1347 size_t value_len = 0;
1348 const char *disp_term = 0;
1349 size_t disp_len = 0;
1351 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1352 &disp_term, &disp_len);
1358 ZOOM_API(const char *)
1359 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1361 return ZOOM_options_get(scan->options, key);
1365 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1368 ZOOM_options_set(scan->options, key, val);
1372 ZOOM_API(ZOOM_package)
1373 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1375 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1378 p->odr_out = odr_createmem(ODR_ENCODE);
1379 p->options = ZOOM_options_create_with_parent2(options, c->options);
1387 ZOOM_package_destroy(ZOOM_package p)
1392 if (p->refcount == 0)
1394 odr_destroy(p->odr_out);
1397 ZOOM_options_destroy(p->options);
1402 ZOOM_API(const char *)
1403 ZOOM_package_option_get(ZOOM_package p, const char *key)
1405 return ZOOM_options_get(p->options, key);
1408 ZOOM_API(const char *)
1409 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1411 return ZOOM_options_getl(p->options, key, lenp);
1415 ZOOM_package_option_set(ZOOM_package p, const char *key,
1418 ZOOM_options_set(p->options, key, val);
1422 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1423 const char *val, int len)
1425 ZOOM_options_setl(p->options, key, val, len);
1429 ZOOM_connection_exec_task(ZOOM_connection c)
1431 ZOOM_task task = c->tasks;
1432 zoom_ret ret = zoom_complete;
1436 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1437 c, task->which, task->running);
1438 if (c->error != ZOOM_ERROR_NONE)
1440 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1441 "removing tasks because of error = %d", c, c->error);
1442 ZOOM_connection_remove_tasks(c);
1447 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1448 "task already running", c);
1452 ret = zoom_complete;
1453 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1455 switch (task->which)
1457 case ZOOM_TASK_SEARCH:
1458 if (c->proto == PROTO_HTTP)
1459 ret = ZOOM_connection_srw_send_search(c);
1461 ret = ZOOM_connection_Z3950_send_search(c);
1463 case ZOOM_TASK_RETRIEVE:
1464 if (c->proto == PROTO_HTTP)
1465 ret = ZOOM_connection_srw_send_search(c);
1467 ret = send_Z3950_present(c);
1469 case ZOOM_TASK_CONNECT:
1470 ret = do_connect(c);
1472 case ZOOM_TASK_SCAN:
1473 if (c->proto == PROTO_HTTP)
1474 ret = ZOOM_connection_srw_send_scan(c);
1476 ret = ZOOM_connection_Z3950_send_scan(c);
1478 case ZOOM_TASK_PACKAGE:
1479 ret = send_package(c);
1481 case ZOOM_TASK_SORT:
1482 c->tasks->u.sort.resultset->r_sort_spec =
1483 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1484 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1490 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1491 "remove tasks because no connection exist", c);
1492 ZOOM_connection_remove_tasks(c);
1494 if (ret == zoom_complete)
1496 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1497 "task removed (complete)", c);
1498 ZOOM_connection_remove_task(c);
1501 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1508 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
1509 Z_HTTP_Response *cookie_hres)
1511 struct Z_HTTP_Header *h;
1512 char *combined_cookies = 0;
1513 int combined_cookies_len = 0;
1514 Z_GDU *gdu = z_get_HTTP_Request_uri(c->odr_out, uri, 0, c->proxy ? 1 : 0);
1516 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1517 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1520 for (h = cookie_hres->headers; h; h = h->next)
1522 if (!strcmp(h->name, "Set-Cookie"))
1526 if (!(cp = strchr(h->value, ';')))
1527 cp = h->value + strlen(h->value);
1528 if (cp - h->value >= 1) {
1529 combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
1530 memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
1531 combined_cookies[combined_cookies_len + cp - h->value] = '\0';
1532 strcat(combined_cookies,"; ");
1533 combined_cookies_len = strlen(combined_cookies);
1538 if (combined_cookies_len)
1540 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1541 "Cookie", combined_cookies);
1542 xfree(combined_cookies);
1545 if (c->user && c->password)
1547 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1548 c->user, c->password);
1550 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1551 return zoom_complete;
1553 z_GDU(c->odr_print, &gdu, 0, 0);
1555 z_GDU(c->odr_save, &gdu, 0, 0);
1556 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1558 odr_reset(c->odr_out);
1559 return ZOOM_send_buf(c);
1563 void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
1564 const char *addinfo, const char *addinfo2)
1566 ZOOM_set_dset_error(c, error, "HTTP", addinfo, addinfo2);
1571 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
1573 zoom_ret cret = zoom_complete;
1576 const char *connection_head = z_HTTP_header_lookup(hres->headers,
1578 const char *location;
1580 ZOOM_connection_set_mask(c, 0);
1581 yaz_log(c->log_details, "%p handle_http", c);
1583 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1584 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1587 if (c->no_redirects > 10)
1589 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1590 c->no_redirects = 0;
1591 ZOOM_connection_close(c);
1595 /* since redirect may change host we just reconnect. A smarter
1596 implementation might check whether it's the same server */
1597 do_connect_host(c, location);
1598 send_HTTP_redirect(c, location, hres);
1599 /* we're OK for now. Operation is not really complete */
1605 ret = ZOOM_handle_sru(c, hres, &cret, &addinfo);
1608 if (c->no_redirects) /* end of redirect. change hosts again */
1609 ZOOM_connection_close(c);
1611 c->no_redirects = 0;
1615 if (hres->code != 200)
1616 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1619 yaz_log(YLOG_LOG, "set error... addinfo=%s", addinfo ?
1621 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1623 ZOOM_connection_close(c);
1625 if (cret == zoom_complete)
1627 yaz_log(c->log_details, "removing tasks in handle_http");
1628 ZOOM_connection_remove_task(c);
1632 if (!strcmp(hres->version, "1.0"))
1634 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1635 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1640 /* HTTP 1.1: only if no close we stay alive.. */
1641 if (connection_head && !strcmp(connection_head, "close"))
1646 ZOOM_connection_close(c);
1649 c->tasks->running = 0;
1650 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1651 c->reconnect_ok = 0;
1655 c->reconnect_ok = 1; /* if the server closes anyway */
1660 static int do_read(ZOOM_connection c)
1665 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1666 ZOOM_connection_put_event(c, event);
1668 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1669 more = cs_more(c->cs);
1670 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1675 if (!ZOOM_test_reconnect(c))
1677 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1678 ZOOM_connection_close(c);
1686 odr_reset(c->odr_in);
1687 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1688 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1689 ZOOM_connection_put_event(c, event);
1691 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1694 int err = odr_geterrorx(c->odr_in, &x);
1696 const char *element = odr_getelement(c->odr_in);
1697 yaz_snprintf(msg, sizeof(msg),
1698 "ODR code %d:%d element=%s offset=%d",
1699 err, x, element ? element : "<unknown>",
1700 odr_offset(c->odr_in));
1701 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1704 FILE *ber_file = yaz_log_file();
1706 odr_dumpBER(ber_file, c->buf_in, r);
1708 ZOOM_connection_close(c);
1713 z_GDU(c->odr_print, &gdu, 0, 0);
1715 z_GDU(c->odr_save, &gdu, 0, 0);
1716 if (gdu->which == Z_GDU_Z3950)
1717 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1718 else if (gdu->which == Z_GDU_HTTP_Response)
1721 handle_http(c, gdu->u.HTTP_Response);
1723 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1724 ZOOM_connection_close(c);
1732 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1737 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1738 ZOOM_connection_put_event(c, event);
1740 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1741 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1743 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1744 if (ZOOM_test_reconnect(c))
1746 return zoom_pending;
1748 if (c->state == STATE_CONNECTING)
1749 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1751 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1752 ZOOM_connection_close(c);
1753 return zoom_complete;
1757 int mask = ZOOM_SELECT_EXCEPT;
1758 if (c->cs->io_pending & CS_WANT_WRITE)
1759 mask += ZOOM_SELECT_WRITE;
1760 if (c->cs->io_pending & CS_WANT_READ)
1761 mask += ZOOM_SELECT_READ;
1762 ZOOM_connection_set_mask(c, mask);
1763 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1768 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1769 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1772 return zoom_pending;
1775 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1777 return do_write_ex(c, c->buf_out, c->len_out);
1781 ZOOM_API(const char *)
1782 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1784 return ZOOM_options_get(c->options, key);
1787 ZOOM_API(const char *)
1788 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1790 return ZOOM_options_getl(c->options, key, lenp);
1794 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1797 ZOOM_options_set(c->options, key, val);
1801 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1802 const char *val, int len)
1804 ZOOM_options_setl(c->options, key, val, len);
1807 ZOOM_API(const char *)
1808 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1810 return ZOOM_options_get(r->options, key);
1814 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1817 ZOOM_options_set(r->options, key, val);
1822 ZOOM_connection_errcode(ZOOM_connection c)
1824 return ZOOM_connection_error(c, 0, 0);
1827 ZOOM_API(const char *)
1828 ZOOM_connection_errmsg(ZOOM_connection c)
1831 ZOOM_connection_error(c, &msg, 0);
1835 ZOOM_API(const char *)
1836 ZOOM_connection_addinfo(ZOOM_connection c)
1838 const char *addinfo;
1839 ZOOM_connection_error(c, 0, &addinfo);
1843 ZOOM_API(const char *)
1844 ZOOM_connection_diagset(ZOOM_connection c)
1846 const char *diagset;
1847 ZOOM_connection_error_x(c, 0, 0, &diagset);
1851 ZOOM_API(const char *)
1852 ZOOM_diag_str(int error)
1856 case ZOOM_ERROR_NONE:
1858 case ZOOM_ERROR_CONNECT:
1859 return "Connect failed";
1860 case ZOOM_ERROR_MEMORY:
1861 return "Out of memory";
1862 case ZOOM_ERROR_ENCODE:
1863 return "Encoding failed";
1864 case ZOOM_ERROR_DECODE:
1865 return "Decoding failed";
1866 case ZOOM_ERROR_CONNECTION_LOST:
1867 return "Connection lost";
1868 case ZOOM_ERROR_INIT:
1869 return "Init rejected";
1870 case ZOOM_ERROR_INTERNAL:
1871 return "Internal failure";
1872 case ZOOM_ERROR_TIMEOUT:
1874 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1875 return "Unsupported protocol";
1876 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1877 return "Unsupported query type";
1878 case ZOOM_ERROR_INVALID_QUERY:
1879 return "Invalid query";
1880 case ZOOM_ERROR_CQL_PARSE:
1881 return "CQL parsing error";
1882 case ZOOM_ERROR_CQL_TRANSFORM:
1883 return "CQL transformation error";
1884 case ZOOM_ERROR_CCL_CONFIG:
1885 return "CCL configuration error";
1886 case ZOOM_ERROR_CCL_PARSE:
1887 return "CCL parsing error";
1888 case ZOOM_ERROR_ES_INVALID_ACTION:
1889 return "Extended Service. invalid action";
1890 case ZOOM_ERROR_ES_INVALID_VERSION:
1891 return "Extended Service. invalid version";
1892 case ZOOM_ERROR_ES_INVALID_SYNTAX:
1893 return "Extended Service. invalid syntax";
1895 return diagbib1_str(error);
1900 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1901 const char **addinfo, const char **diagset)
1903 int error = c->error;
1906 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1907 *cp = ZOOM_diag_str(error);
1908 else if (!strcmp(c->diagset, "HTTP"))
1909 *cp = z_HTTP_errmsg(c->error);
1910 else if (!strcmp(c->diagset, "Bib-1"))
1911 *cp = ZOOM_diag_str(error);
1912 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1913 *cp = yaz_diag_srw_str(c->error);
1915 *cp = "Unknown error and diagnostic set";
1918 *addinfo = c->addinfo ? c->addinfo : "";
1920 *diagset = c->diagset ? c->diagset : "";
1925 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1926 const char **addinfo)
1928 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1931 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1933 ZOOM_Event event = 0;
1934 int r = cs_look(c->cs);
1935 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1940 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1941 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1942 ZOOM_connection_close(c);
1943 ZOOM_connection_put_event(c, event);
1945 else if (r == CS_CONNECT)
1947 int ret = ret = cs_rcvconnect(c->cs);
1948 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1949 "cs_rcvconnect returned %d", c, ret);
1952 int mask = ZOOM_SELECT_EXCEPT;
1953 if (c->cs->io_pending & CS_WANT_WRITE)
1954 mask += ZOOM_SELECT_WRITE;
1955 if (c->cs->io_pending & CS_WANT_READ)
1956 mask += ZOOM_SELECT_READ;
1957 ZOOM_connection_set_mask(c, mask);
1958 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1959 ZOOM_connection_put_event(c, event);
1963 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1964 ZOOM_connection_put_event(c, event);
1966 if (c->proto == PROTO_Z3950)
1967 ZOOM_connection_Z3950_send_init(c);
1970 /* no init request for SRW .. */
1971 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1972 ZOOM_connection_remove_task(c);
1973 ZOOM_connection_set_mask(c, 0);
1974 ZOOM_connection_exec_task(c);
1976 c->state = STATE_ESTABLISHED;
1980 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1981 ZOOM_connection_close(c);
1986 if (mask & ZOOM_SELECT_EXCEPT)
1988 if (!ZOOM_test_reconnect(c))
1990 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1991 ZOOM_connection_close(c);
1995 if (mask & ZOOM_SELECT_READ)
1997 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2003 ZOOM_connection_last_event(ZOOM_connection cs)
2006 return ZOOM_EVENT_NONE;
2007 return cs->last_event;
2011 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
2015 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2016 /* timeout and this connection was waiting */
2017 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
2018 ZOOM_connection_close(c);
2019 ZOOM_connection_put_event(c, event);
2025 ZOOM_connection_process(ZOOM_connection c)
2031 event = ZOOM_connection_get_event(c);
2034 ZOOM_Event_destroy(event);
2037 ZOOM_connection_exec_task(c);
2038 event = ZOOM_connection_get_event(c);
2041 ZOOM_Event_destroy(event);
2048 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2052 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2054 for (i = 0; i<no; i++)
2056 ZOOM_connection c = cs[i];
2058 if (c && ZOOM_connection_process(c))
2064 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2066 if (c->mask && mask)
2067 ZOOM_connection_do_io(c, mask);
2071 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2074 return cs_fileno(c->cs);
2078 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2086 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2093 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2095 return ZOOM_options_get_int(c->options, "timeout", 30);
2098 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2103 ZOOM_connection_set_mask(c, 0);
2104 c->state = STATE_IDLE;
2110 * c-file-style: "Stroustrup"
2111 * indent-tabs-mode: nil
2113 * vim: shiftwidth=4 tabstop=8 expandtab