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)
332 cs_get_host_args(con->host_port, &cp);
335 nmem_strsplit(odr_getmem(odr), "+", cp, &databaseNames, num);
336 return databaseNames;
339 ZOOM_API(ZOOM_connection)
340 ZOOM_connection_new(const char *host, int portnum)
342 ZOOM_connection c = ZOOM_connection_create(0);
344 ZOOM_connection_connect(c, host, portnum);
348 static zoom_sru_mode get_sru_mode_from_string(const char *s)
351 return zoom_sru_soap;
352 if (!yaz_matchstr(s, "soap"))
353 return zoom_sru_soap;
354 else if (!yaz_matchstr(s, "get"))
356 else if (!yaz_matchstr(s, "post"))
357 return zoom_sru_post;
358 else if (!yaz_matchstr(s, "solr"))
359 return zoom_sru_solr;
360 return zoom_sru_error;
364 ZOOM_connection_connect(ZOOM_connection c,
365 const char *host, int portnum)
371 yaz_log(c->log_api, "%p ZOOM_connection_connect host=%s portnum=%d",
372 c, host ? host : "null", portnum);
374 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
375 ZOOM_connection_remove_tasks(c);
379 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
380 odr_destroy(c->odr_print);
382 if (ZOOM_options_get_bool(c->options, "apdulog", 0))
384 c->odr_print = odr_createmem(ODR_PRINT);
385 odr_setprint(c->odr_print, yaz_log_file());
392 yaz_log(c->log_details, "%p ZOOM_connection_connect reconnect ok", c);
396 yaz_log(c->log_details, "%p ZOOM_connection_connect connect", c);
399 val = ZOOM_options_get(c->options, "proxy");
402 yaz_log(c->log_details, "%p ZOOM_connection_connect proxy=%s", c, val);
403 c->proxy = xstrdup(val);
408 val = ZOOM_options_get(c->options, "tproxy");
411 yaz_log(c->log_details, "%p ZOOM_connection_connect tproxy=%s", c, val);
412 c->tproxy = xstrdup(val);
417 val = ZOOM_options_get(c->options, "charset");
420 yaz_log(c->log_details, "%p ZOOM_connection_connect charset=%s", c, val);
421 c->charset = xstrdup(val);
425 val = ZOOM_options_get(c->options, "lang");
428 yaz_log(c->log_details, "%p ZOOM_connection_connect lang=%s", c, val);
429 c->lang = xstrdup(val);
440 sprintf(hostn, "%.80s:%d", host, portnum);
441 c->host_port = xstrdup(hostn);
444 c->host_port = xstrdup(host);
449 * If the "<scheme>:" part of the host string is preceded by one
450 * or more comma-separated <name>=<value> pairs, these are taken
451 * to be options to be set on the connection object. Among other
452 * applications, this facility can be used to embed authentication
454 * user=admin,password=secret,tcp:localhost:9999
456 char *remainder = c->host_port;
457 char *pcolon = strchr(remainder, ':');
460 while ((pcomma = strchr(remainder, ',')) != 0 &&
461 (pcolon == 0 || pcomma < pcolon))
464 if ((pequals = strchr(remainder, '=')) != 0)
467 ZOOM_connection_option_set(c, remainder, pequals+1);
469 remainder = pcomma+1;
472 if (remainder != c->host_port)
474 remainder = xstrdup(remainder);
476 c->host_port = remainder;
480 val = ZOOM_options_get(c->options, "sru");
481 c->sru_mode = get_sru_mode_from_string(val);
483 xfree(c->sru_version);
484 val = ZOOM_options_get(c->options, "sru_version");
485 c->sru_version = xstrdup(val ? val : "1.2");
487 ZOOM_options_set(c->options, "host", c->host_port);
489 xfree(c->cookie_out);
491 val = ZOOM_options_get(c->options, "cookie");
494 yaz_log(c->log_details, "%p ZOOM_connection_connect cookie=%s", c, val);
495 c->cookie_out = xstrdup(val);
500 val = ZOOM_options_get(c->options, "clientIP");
503 yaz_log(c->log_details, "%p ZOOM_connection_connect clientIP=%s",
505 c->client_IP = xstrdup(val);
510 val = ZOOM_options_get(c->options, "group");
512 c->group = xstrdup(val);
516 val = ZOOM_options_get(c->options, "user");
518 c->user = xstrdup(val);
522 val = ZOOM_options_get(c->options, "password");
524 val = ZOOM_options_get(c->options, "pass");
527 c->password = xstrdup(val);
529 c->maximum_record_size =
530 ZOOM_options_get_int(c->options, "maximumRecordSize", 64*1024*1024);
531 c->preferred_message_size =
532 ZOOM_options_get_int(c->options, "preferredMessageSize", 64*1024*1024);
534 c->async = ZOOM_options_get_bool(c->options, "async", 0);
536 if (c->sru_mode == zoom_sru_error)
538 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, val);
539 ZOOM_connection_remove_tasks(c);
543 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
544 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
548 while (ZOOM_event(1, &c))
553 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
555 #if ZOOM_RESULT_LISTS
559 /* remove ourselves from the resultsets in connection */
560 ZOOM_resultset *rp = &r->connection->resultsets;
563 assert(*rp); /* we must be in this list!! */
565 { /* OK, we're here - take us out of it */
577 ZOOM_connection_destroy(ZOOM_connection c)
579 #if ZOOM_RESULT_LISTS
580 ZOOM_resultsets list;
586 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
590 #if ZOOM_RESULT_LISTS
591 /* Remove the connection's usage of resultsets */
592 list = c->resultsets;
594 ZOOM_resultsets removed = list;
595 ZOOM_resultset_destroy(list->resultset);
600 for (r = c->resultsets; r; r = r->next)
607 odr_destroy(c->odr_in);
608 odr_destroy(c->odr_out);
610 odr_destroy(c->odr_save);
613 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
614 odr_destroy(c->odr_print);
616 ZOOM_options_destroy(c->options);
617 ZOOM_connection_remove_tasks(c);
618 ZOOM_connection_remove_events(c);
624 xfree(c->cookie_out);
630 xfree(c->sru_version);
634 void ZOOM_resultset_addref(ZOOM_resultset r)
638 yaz_mutex_enter(r->mutex);
640 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
642 yaz_mutex_leave(r->mutex);
646 static int g_resultsets = 0;
647 static YAZ_MUTEX g_resultset_mutex = 0;
649 /* TODO We need to initialize this before running threaded:
650 * call resultset_use(0) */
652 static int resultset_use(int delta) {
654 if (g_resultset_mutex == 0)
655 yaz_mutex_create(&g_resultset_mutex);
656 yaz_mutex_enter(g_resultset_mutex);
657 g_resultsets += delta;
658 resultset_count = g_resultsets;
659 yaz_mutex_leave(g_resultset_mutex);
660 return resultset_count;
663 int resultsets_count(void) {
664 return resultset_use(0);
667 ZOOM_resultset ZOOM_resultset_create(void)
670 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
674 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
677 r->odr = odr_createmem(ODR_ENCODE);
682 for (i = 0; i<RECORD_HASH_SIZE; i++)
683 r->record_hash[i] = 0;
687 r->databaseNames = 0;
688 r->num_databaseNames = 0;
693 yaz_mutex_create(&r->mutex);
696 WRBUF w = wrbuf_alloc();
697 YAZ_SHPTR_INIT(r->record_wrbuf, w);
704 ZOOM_API(ZOOM_resultset)
705 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
708 ZOOM_query s = ZOOM_query_create();
710 ZOOM_query_prefix(s, q);
712 r = ZOOM_connection_search(c, s);
713 ZOOM_query_destroy(s);
717 ZOOM_API(ZOOM_resultset)
718 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
720 ZOOM_resultset r = ZOOM_resultset_create();
724 const char *syntax, *elementSetName;
725 #if ZOOM_RESULT_LISTS
729 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
730 r->r_sort_spec = ZOOM_query_get_sortspec(q);
733 r->options = ZOOM_options_create_with_parent(c->options);
735 start = ZOOM_options_get_int(r->options, "start", 0);
736 count = ZOOM_options_get_int(r->options, "count", 0);
738 /* If "presentChunk" is defined use that; otherwise "step" */
739 const char *cp = ZOOM_options_get(r->options, "presentChunk");
740 r->step = ZOOM_options_get_int(r->options,
741 (cp != 0 ? "presentChunk": "step"), 0);
743 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
744 cp = ZOOM_options_get(r->options, "setname");
746 r->setname = xstrdup(cp);
747 cp = ZOOM_options_get(r->options, "schema");
749 r->schema = xstrdup(cp);
751 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
756 #if ZOOM_RESULT_LISTS
757 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
758 set = xmalloc(sizeof(*set));
759 ZOOM_resultset_addref(r);
761 set->next = c->resultsets;
764 r->next = c->resultsets;
767 if (c->host_port && c->proto == PROTO_HTTP)
771 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
772 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
776 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
781 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
782 task->u.search.resultset = r;
783 task->u.search.start = start;
784 task->u.search.count = count;
785 task->u.search.recv_search_fired = 0;
787 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
788 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
789 elementSetName = ZOOM_options_get(r->options, "elementSetName");
790 task->u.search.elementSetName = elementSetName
791 ? xstrdup(elementSetName) : 0;
793 ZOOM_resultset_addref(r);
795 ZOOM_query_addref(q);
799 while (ZOOM_event(1, &c))
806 ZOOM_resultset_sort(ZOOM_resultset r,
807 const char *sort_type, const char *sort_spec)
809 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
813 ZOOM_resultset_sort1(ZOOM_resultset r,
814 const char *sort_type, const char *sort_spec)
816 ZOOM_connection c = r->connection;
820 newq = ZOOM_query_create();
821 if (ZOOM_query_sortby(newq, sort_spec) < 0)
824 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
825 r, r, sort_type, sort_spec);
829 if (c->host_port && c->proto == PROTO_HTTP)
833 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
834 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
838 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
844 ZOOM_resultset_cache_reset(r);
845 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
846 task->u.sort.resultset = r;
847 task->u.sort.q = newq;
849 ZOOM_resultset_addref(r);
853 while (ZOOM_event(1, &c))
861 ZOOM_resultset_destroy(ZOOM_resultset r)
863 resultset_destroy(r);
866 static void resultset_destroy(ZOOM_resultset r)
870 yaz_mutex_enter(r->mutex);
872 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
874 if (r->refcount == 0)
876 yaz_mutex_leave(r->mutex);
878 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
879 ZOOM_resultset_cache_reset(r);
880 ZOOM_resultset_release(r);
881 ZOOM_query_destroy(r->query);
882 ZOOM_options_destroy(r->options);
886 yaz_mutex_destroy(&r->mutex);
888 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
894 yaz_mutex_leave(r->mutex);
898 ZOOM_resultset_size(ZOOM_resultset r)
903 int ZOOM_test_reconnect(ZOOM_connection c)
907 if (!c->reconnect_ok)
909 ZOOM_connection_close(c);
911 c->tasks->running = 0;
912 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
914 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
915 ZOOM_connection_put_event(c, event);
920 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
921 int force_sync, int start, int count)
926 const char *syntax, *elementSetName;
930 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
931 " count=%d", r, force_sync, start, count);
936 if (c->host_port && c->proto == PROTO_HTTP)
940 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
941 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
945 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
950 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
951 task->u.retrieve.resultset = r;
952 task->u.retrieve.start = start;
953 task->u.retrieve.count = count;
955 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
956 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
957 elementSetName = ZOOM_options_get(r->options, "elementSetName");
958 task->u.retrieve.elementSetName = elementSetName
959 ? xstrdup(elementSetName) : 0;
961 cp = ZOOM_options_get(r->options, "schema");
964 if (!r->schema || strcmp(r->schema, cp))
967 r->schema = xstrdup(cp);
971 ZOOM_resultset_addref(r);
973 if (!r->connection->async || force_sync)
974 while (r->connection && ZOOM_event(1, &r->connection))
979 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
980 size_t start, size_t count)
982 int force_present = 0;
986 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
987 r, r, (long) start, (long) count);
990 ZOOM_resultset_retrieve(r, force_present, start, count);
994 for (i = 0; i< count; i++)
995 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
1000 ZOOM_resultset_facets_size(ZOOM_resultset r) {
1001 return r->num_facets;
1004 ZOOM_API(ZOOM_facet_field)
1005 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
1006 int num = r->num_facets;
1007 ZOOM_facet_field *facets = r->facets;
1009 for (index = 0; index < num; index++) {
1010 if (!strcmp(facets[index]->facet_name, name)) {
1011 return facets[index];
1017 ZOOM_API(ZOOM_facet_field)
1018 ZOOM_resultset_get_facet_field_by_index(ZOOM_resultset r, int index) {
1019 int num = r->num_facets;
1020 ZOOM_facet_field *facets = r->facets;
1021 if (index >= 0 && index < num) {
1022 return facets[index];
1027 ZOOM_API(ZOOM_facet_field *)
1028 ZOOM_resultset_facets(ZOOM_resultset r)
1033 ZOOM_API(const char**)
1034 ZOOM_resultset_facets_names(ZOOM_resultset r)
1036 return (const char **) r->facets_names;
1039 ZOOM_API(const char*)
1040 ZOOM_facet_field_name(ZOOM_facet_field field)
1042 return field->facet_name;
1046 ZOOM_facet_field_term_count(ZOOM_facet_field field)
1048 return field->num_terms;
1051 ZOOM_API(const char*)
1052 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
1053 *freq = field->facet_terms[idx].frequency;
1054 return field->facet_terms[idx].term;
1058 static void get_cert(ZOOM_connection c)
1063 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
1065 ZOOM_connection_option_setl(c, "sslPeerCert",
1066 cert_buf, cert_len);
1071 static zoom_ret do_connect_host(ZOOM_connection c,
1072 const char *logical_url);
1074 static zoom_ret do_connect(ZOOM_connection c)
1076 return do_connect_host(c, c->host_port);
1079 static zoom_ret do_connect_host(ZOOM_connection c, const char *logical_url)
1085 c->cs = cs_create_host_proxy(logical_url, 0, &add,
1086 c->tproxy ? c->tproxy : c->proxy);
1088 if (c->cs && c->cs->protocol == PROTO_HTTP)
1091 c->proto = PROTO_HTTP;
1093 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1094 ZOOM_connection_close(c);
1095 return zoom_complete;
1100 int ret = cs_connect(c->cs, add);
1103 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1104 ZOOM_connection_put_event(c, event);
1106 if (c->proto == PROTO_Z3950)
1107 ZOOM_connection_Z3950_send_init(c);
1110 /* no init request for SRW .. */
1111 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1112 ZOOM_connection_remove_task(c);
1113 ZOOM_connection_set_mask(c, 0);
1114 ZOOM_connection_exec_task(c);
1116 c->state = STATE_ESTABLISHED;
1117 return zoom_pending;
1121 int mask = ZOOM_SELECT_EXCEPT;
1122 if (c->cs->io_pending & CS_WANT_WRITE)
1123 mask += ZOOM_SELECT_WRITE;
1124 if (c->cs->io_pending & CS_WANT_READ)
1125 mask += ZOOM_SELECT_READ;
1126 ZOOM_connection_set_mask(c, mask);
1127 c->state = STATE_CONNECTING;
1128 return zoom_pending;
1131 c->state = STATE_IDLE;
1132 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1133 return zoom_complete;
1136 /* returns 1 if PDU was sent OK (still pending )
1137 0 if PDU was not sent OK (nothing to wait for)
1140 ZOOM_API(ZOOM_record)
1141 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1143 const char *syntax =
1144 ZOOM_options_get(s->options, "preferredRecordSyntax");
1145 const char *elementSetName =
1146 ZOOM_options_get(s->options, "elementSetName");
1148 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1151 ZOOM_API(ZOOM_record)
1152 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1154 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1159 * MIKE: I think force_sync should always be zero, but I don't
1160 * want to make this change until I get the go-ahead from
1161 * Adam, in case something depends on the old synchronous
1165 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1166 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1167 rec = ZOOM_resultset_record_immediate(r, pos);
1172 ZOOM_API(ZOOM_scanset)
1173 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1176 ZOOM_query q = ZOOM_query_create();
1178 ZOOM_query_prefix(q, start);
1180 s = ZOOM_connection_scan1(c, q);
1181 ZOOM_query_destroy(q);
1186 ZOOM_API(ZOOM_scanset)
1187 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1189 ZOOM_scanset scan = 0;
1190 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1194 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1195 scan->connection = c;
1196 scan->odr = odr_createmem(ODR_DECODE);
1197 scan->options = ZOOM_options_create_with_parent(c->options);
1199 scan->scan_response = 0;
1200 scan->srw_scan_response = 0;
1203 ZOOM_query_addref(q);
1204 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1205 &scan->num_databaseNames,
1210 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1211 task->u.scan.scan = scan;
1216 while (ZOOM_event(1, &c))
1224 ZOOM_scanset_destroy(ZOOM_scanset scan)
1229 if (scan->refcount == 0)
1231 ZOOM_query_destroy(scan->query);
1233 odr_destroy(scan->odr);
1235 ZOOM_options_destroy(scan->options);
1240 static zoom_ret send_package(ZOOM_connection c)
1244 yaz_log(c->log_details, "%p send_package", c);
1246 return zoom_complete;
1247 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1249 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1250 ZOOM_connection_put_event(c, event);
1252 c->buf_out = c->tasks->u.package->buf_out;
1253 c->len_out = c->tasks->u.package->len_out;
1255 return ZOOM_send_buf(c);
1259 ZOOM_scanset_size(ZOOM_scanset scan)
1264 if (scan->scan_response && scan->scan_response->entries)
1265 return scan->scan_response->entries->num_entries;
1266 else if (scan->srw_scan_response)
1267 return scan->srw_scan_response->num_terms;
1271 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1273 const char **value_term, size_t *value_len,
1274 const char **disp_term, size_t *disp_len)
1276 size_t noent = ZOOM_scanset_size(scan);
1287 if (scan->scan_response)
1289 Z_ScanResponse *res = scan->scan_response;
1290 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1292 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1294 *value_term = (const char *) t->term->u.general->buf;
1295 *value_len = t->term->u.general->len;
1298 *disp_term = t->displayTerm;
1299 *disp_len = strlen(*disp_term);
1301 else if (t->term->which == Z_Term_general)
1303 *disp_term = (const char *) t->term->u.general->buf;
1304 *disp_len = t->term->u.general->len;
1306 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1309 if (scan->srw_scan_response)
1311 Z_SRW_scanResponse *res = scan->srw_scan_response;
1312 Z_SRW_scanTerm *t = res->terms + pos;
1315 *value_term = t->value;
1316 *value_len = strlen(*value_term);
1319 *disp_term = t->displayTerm;
1321 *disp_term = t->value;
1322 *disp_len = strlen(*disp_term);
1323 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1328 ZOOM_API(const char *)
1329 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1330 size_t *occ, size_t *len)
1332 const char *value_term = 0;
1333 size_t value_len = 0;
1334 const char *disp_term = 0;
1335 size_t disp_len = 0;
1337 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1338 &disp_term, &disp_len);
1344 ZOOM_API(const char *)
1345 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1346 size_t *occ, size_t *len)
1348 const char *value_term = 0;
1349 size_t value_len = 0;
1350 const char *disp_term = 0;
1351 size_t disp_len = 0;
1353 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1354 &disp_term, &disp_len);
1360 ZOOM_API(const char *)
1361 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1363 return ZOOM_options_get(scan->options, key);
1367 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1370 ZOOM_options_set(scan->options, key, val);
1374 ZOOM_API(ZOOM_package)
1375 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1377 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1380 p->odr_out = odr_createmem(ODR_ENCODE);
1381 p->options = ZOOM_options_create_with_parent2(options, c->options);
1389 ZOOM_package_destroy(ZOOM_package p)
1394 if (p->refcount == 0)
1396 odr_destroy(p->odr_out);
1399 ZOOM_options_destroy(p->options);
1404 ZOOM_API(const char *)
1405 ZOOM_package_option_get(ZOOM_package p, const char *key)
1407 return ZOOM_options_get(p->options, key);
1410 ZOOM_API(const char *)
1411 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1413 return ZOOM_options_getl(p->options, key, lenp);
1417 ZOOM_package_option_set(ZOOM_package p, const char *key,
1420 ZOOM_options_set(p->options, key, val);
1424 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1425 const char *val, int len)
1427 ZOOM_options_setl(p->options, key, val, len);
1431 ZOOM_connection_exec_task(ZOOM_connection c)
1433 ZOOM_task task = c->tasks;
1434 zoom_ret ret = zoom_complete;
1438 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1439 c, task->which, task->running);
1440 if (c->error != ZOOM_ERROR_NONE)
1442 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1443 "removing tasks because of error = %d", c, c->error);
1444 ZOOM_connection_remove_tasks(c);
1449 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1450 "task already running", c);
1454 ret = zoom_complete;
1455 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1457 switch (task->which)
1459 case ZOOM_TASK_SEARCH:
1460 if (c->proto == PROTO_HTTP)
1461 ret = ZOOM_connection_srw_send_search(c);
1463 ret = ZOOM_connection_Z3950_send_search(c);
1465 case ZOOM_TASK_RETRIEVE:
1466 if (c->proto == PROTO_HTTP)
1467 ret = ZOOM_connection_srw_send_search(c);
1469 ret = send_Z3950_present(c);
1471 case ZOOM_TASK_CONNECT:
1472 ret = do_connect(c);
1474 case ZOOM_TASK_SCAN:
1475 if (c->proto == PROTO_HTTP)
1476 ret = ZOOM_connection_srw_send_scan(c);
1478 ret = ZOOM_connection_Z3950_send_scan(c);
1480 case ZOOM_TASK_PACKAGE:
1481 ret = send_package(c);
1483 case ZOOM_TASK_SORT:
1484 c->tasks->u.sort.resultset->r_sort_spec =
1485 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1486 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1492 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1493 "remove tasks because no connection exist", c);
1494 ZOOM_connection_remove_tasks(c);
1496 if (ret == zoom_complete)
1498 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1499 "task removed (complete)", c);
1500 ZOOM_connection_remove_task(c);
1503 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1510 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
1511 Z_HTTP_Response *cookie_hres)
1513 struct Z_HTTP_Header *h;
1514 char *combined_cookies = 0;
1515 int combined_cookies_len = 0;
1516 Z_GDU *gdu = z_get_HTTP_Request_uri(c->odr_out, uri, 0, c->proxy ? 1 : 0);
1518 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1519 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1522 for (h = cookie_hres->headers; h; h = h->next)
1524 if (!strcmp(h->name, "Set-Cookie"))
1528 if (!(cp = strchr(h->value, ';')))
1529 cp = h->value + strlen(h->value);
1530 if (cp - h->value >= 1) {
1531 combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
1532 memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
1533 combined_cookies[combined_cookies_len + cp - h->value] = '\0';
1534 strcat(combined_cookies,"; ");
1535 combined_cookies_len = strlen(combined_cookies);
1540 if (combined_cookies_len)
1542 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1543 "Cookie", combined_cookies);
1544 xfree(combined_cookies);
1547 if (c->user && c->password)
1549 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1550 c->user, c->password);
1552 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1553 return zoom_complete;
1555 z_GDU(c->odr_print, &gdu, 0, 0);
1557 z_GDU(c->odr_save, &gdu, 0, 0);
1558 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1560 odr_reset(c->odr_out);
1561 return ZOOM_send_buf(c);
1565 void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
1566 const char *addinfo, const char *addinfo2)
1568 ZOOM_set_dset_error(c, error, "HTTP", addinfo, addinfo2);
1573 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
1575 zoom_ret cret = zoom_complete;
1578 const char *connection_head = z_HTTP_header_lookup(hres->headers,
1580 const char *location;
1582 ZOOM_connection_set_mask(c, 0);
1583 yaz_log(c->log_details, "%p handle_http", c);
1585 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1586 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1589 if (c->no_redirects > 10)
1591 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1592 c->no_redirects = 0;
1593 ZOOM_connection_close(c);
1597 /* since redirect may change host we just reconnect. A smarter
1598 implementation might check whether it's the same server */
1599 do_connect_host(c, location);
1600 send_HTTP_redirect(c, location, hres);
1601 /* we're OK for now. Operation is not really complete */
1607 ret = ZOOM_handle_sru(c, hres, &cret, &addinfo);
1610 if (c->no_redirects) /* end of redirect. change hosts again */
1611 ZOOM_connection_close(c);
1613 c->no_redirects = 0;
1617 if (hres->code != 200)
1618 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1621 yaz_log(YLOG_LOG, "set error... addinfo=%s", addinfo ?
1623 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1625 ZOOM_connection_close(c);
1627 if (cret == zoom_complete)
1629 yaz_log(c->log_details, "removing tasks in handle_http");
1630 ZOOM_connection_remove_task(c);
1634 if (!strcmp(hres->version, "1.0"))
1636 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1637 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1642 /* HTTP 1.1: only if no close we stay alive.. */
1643 if (connection_head && !strcmp(connection_head, "close"))
1648 ZOOM_connection_close(c);
1651 c->tasks->running = 0;
1652 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1653 c->reconnect_ok = 0;
1657 c->reconnect_ok = 1; /* if the server closes anyway */
1662 static int do_read(ZOOM_connection c)
1667 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1668 ZOOM_connection_put_event(c, event);
1670 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1671 more = cs_more(c->cs);
1672 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1677 if (!ZOOM_test_reconnect(c))
1679 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1680 ZOOM_connection_close(c);
1688 odr_reset(c->odr_in);
1689 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1690 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1691 ZOOM_connection_put_event(c, event);
1693 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1696 int err = odr_geterrorx(c->odr_in, &x);
1698 const char *element = odr_getelement(c->odr_in);
1699 yaz_snprintf(msg, sizeof(msg),
1700 "ODR code %d:%d element=%s offset=%d",
1701 err, x, element ? element : "<unknown>",
1702 odr_offset(c->odr_in));
1703 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1706 FILE *ber_file = yaz_log_file();
1708 odr_dumpBER(ber_file, c->buf_in, r);
1710 ZOOM_connection_close(c);
1715 z_GDU(c->odr_print, &gdu, 0, 0);
1717 z_GDU(c->odr_save, &gdu, 0, 0);
1718 if (gdu->which == Z_GDU_Z3950)
1719 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1720 else if (gdu->which == Z_GDU_HTTP_Response)
1723 handle_http(c, gdu->u.HTTP_Response);
1725 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1726 ZOOM_connection_close(c);
1734 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1739 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1740 ZOOM_connection_put_event(c, event);
1742 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1743 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1745 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1746 if (ZOOM_test_reconnect(c))
1748 return zoom_pending;
1750 if (c->state == STATE_CONNECTING)
1751 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1753 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1754 ZOOM_connection_close(c);
1755 return zoom_complete;
1759 int mask = ZOOM_SELECT_EXCEPT;
1760 if (c->cs->io_pending & CS_WANT_WRITE)
1761 mask += ZOOM_SELECT_WRITE;
1762 if (c->cs->io_pending & CS_WANT_READ)
1763 mask += ZOOM_SELECT_READ;
1764 ZOOM_connection_set_mask(c, mask);
1765 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1770 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1771 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1774 return zoom_pending;
1777 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1779 return do_write_ex(c, c->buf_out, c->len_out);
1783 ZOOM_API(const char *)
1784 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1786 return ZOOM_options_get(c->options, key);
1789 ZOOM_API(const char *)
1790 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1792 return ZOOM_options_getl(c->options, key, lenp);
1796 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1799 ZOOM_options_set(c->options, key, val);
1803 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1804 const char *val, int len)
1806 ZOOM_options_setl(c->options, key, val, len);
1809 ZOOM_API(const char *)
1810 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1812 return ZOOM_options_get(r->options, key);
1816 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1819 ZOOM_options_set(r->options, key, val);
1824 ZOOM_connection_errcode(ZOOM_connection c)
1826 return ZOOM_connection_error(c, 0, 0);
1829 ZOOM_API(const char *)
1830 ZOOM_connection_errmsg(ZOOM_connection c)
1833 ZOOM_connection_error(c, &msg, 0);
1837 ZOOM_API(const char *)
1838 ZOOM_connection_addinfo(ZOOM_connection c)
1840 const char *addinfo;
1841 ZOOM_connection_error(c, 0, &addinfo);
1845 ZOOM_API(const char *)
1846 ZOOM_connection_diagset(ZOOM_connection c)
1848 const char *diagset;
1849 ZOOM_connection_error_x(c, 0, 0, &diagset);
1853 ZOOM_API(const char *)
1854 ZOOM_diag_str(int error)
1858 case ZOOM_ERROR_NONE:
1860 case ZOOM_ERROR_CONNECT:
1861 return "Connect failed";
1862 case ZOOM_ERROR_MEMORY:
1863 return "Out of memory";
1864 case ZOOM_ERROR_ENCODE:
1865 return "Encoding failed";
1866 case ZOOM_ERROR_DECODE:
1867 return "Decoding failed";
1868 case ZOOM_ERROR_CONNECTION_LOST:
1869 return "Connection lost";
1870 case ZOOM_ERROR_INIT:
1871 return "Init rejected";
1872 case ZOOM_ERROR_INTERNAL:
1873 return "Internal failure";
1874 case ZOOM_ERROR_TIMEOUT:
1876 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1877 return "Unsupported protocol";
1878 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1879 return "Unsupported query type";
1880 case ZOOM_ERROR_INVALID_QUERY:
1881 return "Invalid query";
1882 case ZOOM_ERROR_CQL_PARSE:
1883 return "CQL parsing error";
1884 case ZOOM_ERROR_CQL_TRANSFORM:
1885 return "CQL transformation error";
1886 case ZOOM_ERROR_CCL_CONFIG:
1887 return "CCL configuration error";
1888 case ZOOM_ERROR_CCL_PARSE:
1889 return "CCL parsing error";
1890 case ZOOM_ERROR_ES_INVALID_ACTION:
1891 return "Extended Service. invalid action";
1892 case ZOOM_ERROR_ES_INVALID_VERSION:
1893 return "Extended Service. invalid version";
1894 case ZOOM_ERROR_ES_INVALID_SYNTAX:
1895 return "Extended Service. invalid syntax";
1897 return diagbib1_str(error);
1902 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1903 const char **addinfo, const char **diagset)
1905 int error = c->error;
1908 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1909 *cp = ZOOM_diag_str(error);
1910 else if (!strcmp(c->diagset, "HTTP"))
1911 *cp = z_HTTP_errmsg(c->error);
1912 else if (!strcmp(c->diagset, "Bib-1"))
1913 *cp = ZOOM_diag_str(error);
1914 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1915 *cp = yaz_diag_srw_str(c->error);
1917 *cp = "Unknown error and diagnostic set";
1920 *addinfo = c->addinfo ? c->addinfo : "";
1922 *diagset = c->diagset ? c->diagset : "";
1927 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1928 const char **addinfo)
1930 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1933 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1935 ZOOM_Event event = 0;
1936 int r = cs_look(c->cs);
1937 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1942 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1943 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1944 ZOOM_connection_close(c);
1945 ZOOM_connection_put_event(c, event);
1947 else if (r == CS_CONNECT)
1949 int ret = ret = cs_rcvconnect(c->cs);
1950 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1951 "cs_rcvconnect returned %d", c, ret);
1954 int mask = ZOOM_SELECT_EXCEPT;
1955 if (c->cs->io_pending & CS_WANT_WRITE)
1956 mask += ZOOM_SELECT_WRITE;
1957 if (c->cs->io_pending & CS_WANT_READ)
1958 mask += ZOOM_SELECT_READ;
1959 ZOOM_connection_set_mask(c, mask);
1960 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1961 ZOOM_connection_put_event(c, event);
1965 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1966 ZOOM_connection_put_event(c, event);
1968 if (c->proto == PROTO_Z3950)
1969 ZOOM_connection_Z3950_send_init(c);
1972 /* no init request for SRW .. */
1973 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1974 ZOOM_connection_remove_task(c);
1975 ZOOM_connection_set_mask(c, 0);
1976 ZOOM_connection_exec_task(c);
1978 c->state = STATE_ESTABLISHED;
1982 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1983 ZOOM_connection_close(c);
1988 if (mask & ZOOM_SELECT_EXCEPT)
1990 if (!ZOOM_test_reconnect(c))
1992 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1993 ZOOM_connection_close(c);
1997 if (mask & ZOOM_SELECT_READ)
1999 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2005 ZOOM_connection_last_event(ZOOM_connection cs)
2008 return ZOOM_EVENT_NONE;
2009 return cs->last_event;
2013 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
2017 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2018 /* timeout and this connection was waiting */
2019 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
2020 ZOOM_connection_close(c);
2021 ZOOM_connection_put_event(c, event);
2027 ZOOM_connection_process(ZOOM_connection c)
2033 event = ZOOM_connection_get_event(c);
2036 ZOOM_Event_destroy(event);
2039 ZOOM_connection_exec_task(c);
2040 event = ZOOM_connection_get_event(c);
2043 ZOOM_Event_destroy(event);
2050 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2054 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2056 for (i = 0; i<no; i++)
2058 ZOOM_connection c = cs[i];
2060 if (c && ZOOM_connection_process(c))
2066 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2068 if (c->mask && mask)
2069 ZOOM_connection_do_io(c, mask);
2073 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2076 return cs_fileno(c->cs);
2080 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2088 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2095 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2097 return ZOOM_options_get_int(c->options, "timeout", 30);
2100 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2105 ZOOM_connection_set_mask(c, 0);
2106 c->state = STATE_IDLE;
2112 * c-file-style: "Stroustrup"
2113 * indent-tabs-mode: nil
2115 * vim: shiftwidth=4 tabstop=8 expandtab