1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2011 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);
425 val = ZOOM_options_get(c->options, "charset");
428 yaz_log(c->log_details, "%p ZOOM_connection_connect charset=%s", c, val);
429 c->charset = xstrdup(val);
433 val = ZOOM_options_get(c->options, "lang");
436 yaz_log(c->log_details, "%p ZOOM_connection_connect lang=%s", c, val);
437 c->lang = xstrdup(val);
448 sprintf(hostn, "%.80s:%d", host, portnum);
449 c->host_port = xstrdup(hostn);
452 c->host_port = xstrdup(host);
457 * If the "<scheme>:" part of the host string is preceded by one
458 * or more comma-separated <name>=<value> pairs, these are taken
459 * to be options to be set on the connection object. Among other
460 * applications, this facility can be used to embed authentication
462 * user=admin,password=secret,tcp:localhost:9999
464 char *remainder = c->host_port;
465 char *pcolon = strchr(remainder, ':');
468 while ((pcomma = strchr(remainder, ',')) != 0 &&
469 (pcolon == 0 || pcomma < pcolon)) {
471 if ((pequals = strchr(remainder, '=')) != 0) {
473 /*printf("# setting '%s'='%s'\n", remainder, pequals+1);*/
474 ZOOM_connection_option_set(c, remainder, pequals+1);
476 remainder = pcomma+1;
479 if (remainder != c->host_port) {
481 c->host_port = xstrdup(remainder);
482 /*printf("# reset hp='%s'\n", remainder);*/
486 val = ZOOM_options_get(c->options, "sru");
487 c->sru_mode = get_sru_mode_from_string(val);
489 xfree(c->sru_version);
490 val = ZOOM_options_get(c->options, "sru_version");
491 c->sru_version = xstrdup(val ? val : "1.2");
493 ZOOM_options_set(c->options, "host", c->host_port);
495 xfree(c->cookie_out);
497 val = ZOOM_options_get(c->options, "cookie");
500 yaz_log(c->log_details, "%p ZOOM_connection_connect cookie=%s", c, val);
501 c->cookie_out = xstrdup(val);
506 val = ZOOM_options_get(c->options, "clientIP");
509 yaz_log(c->log_details, "%p ZOOM_connection_connect clientIP=%s",
511 c->client_IP = xstrdup(val);
516 val = ZOOM_options_get(c->options, "group");
518 c->group = xstrdup(val);
522 val = ZOOM_options_get(c->options, "user");
524 c->user = xstrdup(val);
528 val = ZOOM_options_get(c->options, "password");
530 val = ZOOM_options_get(c->options, "pass");
533 c->password = xstrdup(val);
535 c->maximum_record_size =
536 ZOOM_options_get_int(c->options, "maximumRecordSize", 1024*1024);
537 c->preferred_message_size =
538 ZOOM_options_get_int(c->options, "preferredMessageSize", 1024*1024);
540 c->async = ZOOM_options_get_bool(c->options, "async", 0);
542 if (c->sru_mode == zoom_sru_error)
544 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, val);
545 ZOOM_connection_remove_tasks(c);
549 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
550 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
554 while (ZOOM_event(1, &c))
559 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
561 #if ZOOM_RESULT_LISTS
565 /* remove ourselves from the resultsets in connection */
566 ZOOM_resultset *rp = &r->connection->resultsets;
569 assert(*rp); /* we must be in this list!! */
571 { /* OK, we're here - take us out of it */
583 ZOOM_connection_destroy(ZOOM_connection c)
585 #if ZOOM_RESULT_LISTS
586 ZOOM_resultsets list;
592 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
596 #if ZOOM_RESULT_LISTS
597 /* Remove the connection's usage of resultsets */
598 list = c->resultsets;
600 ZOOM_resultsets removed = list;
601 ZOOM_resultset_destroy(list->resultset);
606 for (r = c->resultsets; r; r = r->next)
613 odr_destroy(c->odr_in);
614 odr_destroy(c->odr_out);
616 odr_destroy(c->odr_save);
619 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
620 odr_destroy(c->odr_print);
622 ZOOM_options_destroy(c->options);
623 ZOOM_connection_remove_tasks(c);
624 ZOOM_connection_remove_events(c);
630 xfree(c->cookie_out);
636 xfree(c->sru_version);
640 void ZOOM_resultset_addref(ZOOM_resultset r)
644 yaz_mutex_enter(r->mutex);
646 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
648 yaz_mutex_leave(r->mutex);
652 static int g_resultsets = 0;
653 static YAZ_MUTEX g_resultset_mutex = 0;
655 /* TODO We need to initialize this before running threaded:
656 * call resultset_use(0) */
658 static int resultset_use(int delta) {
660 if (g_resultset_mutex == 0)
661 yaz_mutex_create(&g_resultset_mutex);
662 yaz_mutex_enter(g_resultset_mutex);
663 g_resultsets += delta;
664 resultset_count = g_resultsets;
665 yaz_mutex_leave(g_resultset_mutex);
666 return resultset_count;
669 int resultsets_count(void) {
670 return resultset_use(0);
673 ZOOM_resultset ZOOM_resultset_create(void)
676 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
680 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
683 r->odr = odr_createmem(ODR_ENCODE);
688 for (i = 0; i<RECORD_HASH_SIZE; i++)
689 r->record_hash[i] = 0;
693 r->databaseNames = 0;
694 r->num_databaseNames = 0;
699 yaz_mutex_create(&r->mutex);
702 WRBUF w = wrbuf_alloc();
703 YAZ_SHPTR_INIT(r->record_wrbuf, w);
710 ZOOM_API(ZOOM_resultset)
711 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
714 ZOOM_query s = ZOOM_query_create();
716 ZOOM_query_prefix(s, q);
718 r = ZOOM_connection_search(c, s);
719 ZOOM_query_destroy(s);
723 ZOOM_API(ZOOM_resultset)
724 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
726 ZOOM_resultset r = ZOOM_resultset_create();
730 const char *syntax, *elementSetName;
731 #if ZOOM_RESULT_LISTS
735 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
736 r->r_sort_spec = ZOOM_query_get_sortspec(q);
739 r->options = ZOOM_options_create_with_parent(c->options);
741 start = ZOOM_options_get_int(r->options, "start", 0);
742 count = ZOOM_options_get_int(r->options, "count", 0);
744 /* If "presentChunk" is defined use that; otherwise "step" */
745 const char *cp = ZOOM_options_get(r->options, "presentChunk");
746 r->step = ZOOM_options_get_int(r->options,
747 (cp != 0 ? "presentChunk": "step"), 0);
749 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
750 cp = ZOOM_options_get(r->options, "setname");
752 r->setname = xstrdup(cp);
753 cp = ZOOM_options_get(r->options, "schema");
755 r->schema = xstrdup(cp);
757 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
762 #if ZOOM_RESULT_LISTS
763 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
764 set = xmalloc(sizeof(*set));
765 ZOOM_resultset_addref(r);
767 set->next = c->resultsets;
770 r->next = c->resultsets;
773 if (c->host_port && c->proto == PROTO_HTTP)
777 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
778 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
782 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
787 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
788 task->u.search.resultset = r;
789 task->u.search.start = start;
790 task->u.search.count = count;
791 task->u.search.recv_search_fired = 0;
793 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
794 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
795 elementSetName = ZOOM_options_get(r->options, "elementSetName");
796 task->u.search.elementSetName = elementSetName
797 ? xstrdup(elementSetName) : 0;
799 ZOOM_resultset_addref(r);
801 ZOOM_query_addref(q);
805 while (ZOOM_event(1, &c))
812 ZOOM_resultset_sort(ZOOM_resultset r,
813 const char *sort_type, const char *sort_spec)
815 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
819 ZOOM_resultset_sort1(ZOOM_resultset r,
820 const char *sort_type, const char *sort_spec)
822 ZOOM_connection c = r->connection;
826 newq = ZOOM_query_create();
827 if (ZOOM_query_sortby(newq, sort_spec) < 0)
830 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
831 r, r, sort_type, sort_spec);
835 if (c->host_port && c->proto == PROTO_HTTP)
839 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
840 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
844 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
850 ZOOM_resultset_cache_reset(r);
851 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
852 task->u.sort.resultset = r;
853 task->u.sort.q = newq;
855 ZOOM_resultset_addref(r);
859 while (ZOOM_event(1, &c))
867 ZOOM_resultset_destroy(ZOOM_resultset r)
869 resultset_destroy(r);
872 static void resultset_destroy(ZOOM_resultset r)
876 yaz_mutex_enter(r->mutex);
878 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
880 if (r->refcount == 0)
882 yaz_mutex_leave(r->mutex);
884 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
885 ZOOM_resultset_cache_reset(r);
886 ZOOM_resultset_release(r);
887 ZOOM_query_destroy(r->query);
888 ZOOM_options_destroy(r->options);
892 yaz_mutex_destroy(&r->mutex);
894 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
900 yaz_mutex_leave(r->mutex);
904 ZOOM_resultset_size(ZOOM_resultset r)
909 int ZOOM_test_reconnect(ZOOM_connection c)
913 if (!c->reconnect_ok)
915 ZOOM_connection_close(c);
917 c->tasks->running = 0;
918 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
920 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
921 ZOOM_connection_put_event(c, event);
926 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
927 int force_sync, int start, int count)
932 const char *syntax, *elementSetName;
936 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
937 " count=%d", r, force_sync, start, count);
942 if (c->host_port && c->proto == PROTO_HTTP)
946 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
947 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
951 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
956 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
957 task->u.retrieve.resultset = r;
958 task->u.retrieve.start = start;
959 task->u.retrieve.count = count;
961 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
962 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
963 elementSetName = ZOOM_options_get(r->options, "elementSetName");
964 task->u.retrieve.elementSetName = elementSetName
965 ? xstrdup(elementSetName) : 0;
967 cp = ZOOM_options_get(r->options, "schema");
970 if (!r->schema || strcmp(r->schema, cp))
973 r->schema = xstrdup(cp);
977 ZOOM_resultset_addref(r);
979 if (!r->connection->async || force_sync)
980 while (r->connection && ZOOM_event(1, &r->connection))
985 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
986 size_t start, size_t count)
988 int force_present = 0;
992 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
993 r, r, (long) start, (long) count);
996 ZOOM_resultset_retrieve(r, force_present, start, count);
1000 for (i = 0; i< count; i++)
1001 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
1006 ZOOM_resultset_facets_size(ZOOM_resultset r) {
1007 return r->num_facets;
1010 ZOOM_API(ZOOM_facet_field)
1011 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
1012 int num = r->num_facets;
1013 ZOOM_facet_field *facets = r->facets;
1015 for (index = 0; index < num; index++) {
1016 if (!strcmp(facets[index]->facet_name, name)) {
1017 return facets[index];
1024 ZOOM_API(ZOOM_facet_field *)
1025 ZOOM_resultset_facets(ZOOM_resultset r)
1030 ZOOM_API(const char**)
1031 ZOOM_resultset_facet_names(ZOOM_resultset r)
1033 return (const char **) r->facets_names;
1036 ZOOM_API(const char*)
1037 ZOOM_facet_field_name(ZOOM_facet_field field)
1039 return field->facet_name;
1043 ZOOM_facet_field_term_count(ZOOM_facet_field field)
1045 return field->num_terms;
1048 ZOOM_API(const char*)
1049 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
1050 *freq = field->facet_terms[idx].frequency;
1051 return field->facet_terms[idx].term;
1055 static void get_cert(ZOOM_connection c)
1060 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
1062 ZOOM_connection_option_setl(c, "sslPeerCert",
1063 cert_buf, cert_len);
1068 static zoom_ret do_connect_host(ZOOM_connection c,
1069 const char *logical_url);
1071 static zoom_ret do_connect(ZOOM_connection c)
1073 return do_connect_host(c, c->host_port);
1076 static zoom_ret do_connect_host(ZOOM_connection c, const char *logical_url)
1082 c->cs = cs_create_host_proxy(logical_url, 0, &add,
1083 c->tproxy ? c->tproxy : c->proxy);
1085 if (c->cs && c->cs->protocol == PROTO_HTTP)
1088 c->proto = PROTO_HTTP;
1090 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1091 ZOOM_connection_close(c);
1092 return zoom_complete;
1097 int ret = cs_connect(c->cs, add);
1100 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1101 ZOOM_connection_put_event(c, event);
1103 if (c->proto == PROTO_Z3950)
1104 ZOOM_connection_Z3950_send_init(c);
1107 /* no init request for SRW .. */
1108 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1109 ZOOM_connection_remove_task(c);
1110 ZOOM_connection_set_mask(c, 0);
1111 ZOOM_connection_exec_task(c);
1113 c->state = STATE_ESTABLISHED;
1114 return zoom_pending;
1118 int mask = ZOOM_SELECT_EXCEPT;
1119 if (c->cs->io_pending & CS_WANT_WRITE)
1120 mask += ZOOM_SELECT_WRITE;
1121 if (c->cs->io_pending & CS_WANT_READ)
1122 mask += ZOOM_SELECT_READ;
1123 ZOOM_connection_set_mask(c, mask);
1124 c->state = STATE_CONNECTING;
1125 return zoom_pending;
1128 c->state = STATE_IDLE;
1129 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1130 return zoom_complete;
1133 /* returns 1 if PDU was sent OK (still pending )
1134 0 if PDU was not sent OK (nothing to wait for)
1137 ZOOM_API(ZOOM_record)
1138 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1140 const char *syntax =
1141 ZOOM_options_get(s->options, "preferredRecordSyntax");
1142 const char *elementSetName =
1143 ZOOM_options_get(s->options, "elementSetName");
1145 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1148 ZOOM_API(ZOOM_record)
1149 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1151 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1156 * MIKE: I think force_sync should always be zero, but I don't
1157 * want to make this change until I get the go-ahead from
1158 * Adam, in case something depends on the old synchronous
1162 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1163 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1164 rec = ZOOM_resultset_record_immediate(r, pos);
1169 ZOOM_API(ZOOM_scanset)
1170 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1173 ZOOM_query q = ZOOM_query_create();
1175 ZOOM_query_prefix(q, start);
1177 s = ZOOM_connection_scan1(c, q);
1178 ZOOM_query_destroy(q);
1183 ZOOM_API(ZOOM_scanset)
1184 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1186 ZOOM_scanset scan = 0;
1187 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1191 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1192 scan->connection = c;
1193 scan->odr = odr_createmem(ODR_DECODE);
1194 scan->options = ZOOM_options_create_with_parent(c->options);
1196 scan->scan_response = 0;
1197 scan->srw_scan_response = 0;
1200 ZOOM_query_addref(q);
1201 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1202 &scan->num_databaseNames,
1207 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1208 task->u.scan.scan = scan;
1213 while (ZOOM_event(1, &c))
1221 ZOOM_scanset_destroy(ZOOM_scanset scan)
1226 if (scan->refcount == 0)
1228 ZOOM_query_destroy(scan->query);
1230 odr_destroy(scan->odr);
1232 ZOOM_options_destroy(scan->options);
1237 static zoom_ret send_package(ZOOM_connection c)
1241 yaz_log(c->log_details, "%p send_package", c);
1243 return zoom_complete;
1244 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1246 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1247 ZOOM_connection_put_event(c, event);
1249 c->buf_out = c->tasks->u.package->buf_out;
1250 c->len_out = c->tasks->u.package->len_out;
1252 return ZOOM_send_buf(c);
1256 ZOOM_scanset_size(ZOOM_scanset scan)
1261 if (scan->scan_response && scan->scan_response->entries)
1262 return scan->scan_response->entries->num_entries;
1263 else if (scan->srw_scan_response)
1264 return scan->srw_scan_response->num_terms;
1268 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1270 const char **value_term, size_t *value_len,
1271 const char **disp_term, size_t *disp_len)
1273 size_t noent = ZOOM_scanset_size(scan);
1284 if (scan->scan_response)
1286 Z_ScanResponse *res = scan->scan_response;
1287 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1289 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1291 *value_term = (const char *) t->term->u.general->buf;
1292 *value_len = t->term->u.general->len;
1295 *disp_term = t->displayTerm;
1296 *disp_len = strlen(*disp_term);
1298 else if (t->term->which == Z_Term_general)
1300 *disp_term = (const char *) t->term->u.general->buf;
1301 *disp_len = t->term->u.general->len;
1303 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1306 if (scan->srw_scan_response)
1308 Z_SRW_scanResponse *res = scan->srw_scan_response;
1309 Z_SRW_scanTerm *t = res->terms + pos;
1312 *value_term = t->value;
1313 *value_len = strlen(*value_term);
1316 *disp_term = t->displayTerm;
1318 *disp_term = t->value;
1319 *disp_len = strlen(*disp_term);
1320 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1325 ZOOM_API(const char *)
1326 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1327 size_t *occ, size_t *len)
1329 const char *value_term = 0;
1330 size_t value_len = 0;
1331 const char *disp_term = 0;
1332 size_t disp_len = 0;
1334 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1335 &disp_term, &disp_len);
1341 ZOOM_API(const char *)
1342 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1343 size_t *occ, size_t *len)
1345 const char *value_term = 0;
1346 size_t value_len = 0;
1347 const char *disp_term = 0;
1348 size_t disp_len = 0;
1350 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1351 &disp_term, &disp_len);
1357 ZOOM_API(const char *)
1358 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1360 return ZOOM_options_get(scan->options, key);
1364 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1367 ZOOM_options_set(scan->options, key, val);
1371 ZOOM_API(ZOOM_package)
1372 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1374 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1377 p->odr_out = odr_createmem(ODR_ENCODE);
1378 p->options = ZOOM_options_create_with_parent2(options, c->options);
1386 ZOOM_package_destroy(ZOOM_package p)
1391 if (p->refcount == 0)
1393 odr_destroy(p->odr_out);
1396 ZOOM_options_destroy(p->options);
1401 ZOOM_API(const char *)
1402 ZOOM_package_option_get(ZOOM_package p, const char *key)
1404 return ZOOM_options_get(p->options, key);
1407 ZOOM_API(const char *)
1408 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1410 return ZOOM_options_getl(p->options, key, lenp);
1414 ZOOM_package_option_set(ZOOM_package p, const char *key,
1417 ZOOM_options_set(p->options, key, val);
1421 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1422 const char *val, int len)
1424 ZOOM_options_setl(p->options, key, val, len);
1428 ZOOM_connection_exec_task(ZOOM_connection c)
1430 ZOOM_task task = c->tasks;
1431 zoom_ret ret = zoom_complete;
1435 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1436 c, task->which, task->running);
1437 if (c->error != ZOOM_ERROR_NONE)
1439 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1440 "removing tasks because of error = %d", c, c->error);
1441 ZOOM_connection_remove_tasks(c);
1446 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1447 "task already running", c);
1451 ret = zoom_complete;
1452 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1454 switch (task->which)
1456 case ZOOM_TASK_SEARCH:
1457 if (c->proto == PROTO_HTTP)
1458 ret = ZOOM_connection_srw_send_search(c);
1460 ret = ZOOM_connection_Z3950_send_search(c);
1462 case ZOOM_TASK_RETRIEVE:
1463 if (c->proto == PROTO_HTTP)
1464 ret = ZOOM_connection_srw_send_search(c);
1466 ret = send_Z3950_present(c);
1468 case ZOOM_TASK_CONNECT:
1469 ret = do_connect(c);
1471 case ZOOM_TASK_SCAN:
1472 if (c->proto == PROTO_HTTP)
1473 ret = ZOOM_connection_srw_send_scan(c);
1475 ret = ZOOM_connection_Z3950_send_scan(c);
1477 case ZOOM_TASK_PACKAGE:
1478 ret = send_package(c);
1480 case ZOOM_TASK_SORT:
1481 c->tasks->u.sort.resultset->r_sort_spec =
1482 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1483 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1489 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1490 "remove tasks because no connection exist", c);
1491 ZOOM_connection_remove_tasks(c);
1493 if (ret == zoom_complete)
1495 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1496 "task removed (complete)", c);
1497 ZOOM_connection_remove_task(c);
1500 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1507 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
1508 Z_HTTP_Response *cookie_hres)
1510 struct Z_HTTP_Header *h;
1511 char *combined_cookies = 0;
1512 int combined_cookies_len = 0;
1513 Z_GDU *gdu = z_get_HTTP_Request_uri(c->odr_out, uri, 0, c->proxy ? 1 : 0);
1515 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1516 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1519 for (h = cookie_hres->headers; h; h = h->next)
1521 if (!strcmp(h->name, "Set-Cookie"))
1525 if (!(cp = strchr(h->value, ';')))
1526 cp = h->value + strlen(h->value);
1527 if (cp - h->value >= 1) {
1528 combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
1529 memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
1530 combined_cookies[combined_cookies_len + cp - h->value] = '\0';
1531 strcat(combined_cookies,"; ");
1532 combined_cookies_len = strlen(combined_cookies);
1537 if (combined_cookies_len)
1539 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1540 "Cookie", combined_cookies);
1541 xfree(combined_cookies);
1544 if (c->user && c->password)
1546 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1547 c->user, c->password);
1549 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1550 return zoom_complete;
1552 z_GDU(c->odr_print, &gdu, 0, 0);
1554 z_GDU(c->odr_save, &gdu, 0, 0);
1555 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1557 odr_reset(c->odr_out);
1558 return ZOOM_send_buf(c);
1562 void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
1563 const char *addinfo, const char *addinfo2)
1565 ZOOM_set_dset_error(c, error, "HTTP", addinfo, addinfo2);
1570 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
1572 zoom_ret cret = zoom_complete;
1575 const char *connection_head = z_HTTP_header_lookup(hres->headers,
1577 const char *location;
1579 ZOOM_connection_set_mask(c, 0);
1580 yaz_log(c->log_details, "%p handle_http", c);
1582 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1583 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1586 if (c->no_redirects > 10)
1588 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1589 c->no_redirects = 0;
1590 ZOOM_connection_close(c);
1594 /* since redirect may change host we just reconnect. A smarter
1595 implementation might check whether it's the same server */
1596 do_connect_host(c, location);
1597 send_HTTP_redirect(c, location, hres);
1598 /* we're OK for now. Operation is not really complete */
1604 ret = ZOOM_handle_sru(c, hres, &cret, &addinfo);
1607 if (c->no_redirects) /* end of redirect. change hosts again */
1608 ZOOM_connection_close(c);
1610 c->no_redirects = 0;
1614 if (hres->code != 200)
1615 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1618 yaz_log(YLOG_LOG, "set error... addinfo=%s", addinfo ?
1620 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1622 ZOOM_connection_close(c);
1624 if (cret == zoom_complete)
1626 yaz_log(c->log_details, "removing tasks in handle_http");
1627 ZOOM_connection_remove_task(c);
1631 if (!strcmp(hres->version, "1.0"))
1633 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1634 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1639 /* HTTP 1.1: only if no close we stay alive.. */
1640 if (connection_head && !strcmp(connection_head, "close"))
1645 ZOOM_connection_close(c);
1648 c->tasks->running = 0;
1649 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1650 c->reconnect_ok = 0;
1654 c->reconnect_ok = 1; /* if the server closes anyway */
1659 static int do_read(ZOOM_connection c)
1664 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1665 ZOOM_connection_put_event(c, event);
1667 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1668 more = cs_more(c->cs);
1669 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1674 if (!ZOOM_test_reconnect(c))
1676 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1677 ZOOM_connection_close(c);
1685 odr_reset(c->odr_in);
1686 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1687 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1688 ZOOM_connection_put_event(c, event);
1690 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1693 int err = odr_geterrorx(c->odr_in, &x);
1695 const char *element = odr_getelement(c->odr_in);
1696 yaz_snprintf(msg, sizeof(msg),
1697 "ODR code %d:%d element=%s offset=%d",
1698 err, x, element ? element : "<unknown>",
1699 odr_offset(c->odr_in));
1700 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1703 FILE *ber_file = yaz_log_file();
1705 odr_dumpBER(ber_file, c->buf_in, r);
1707 ZOOM_connection_close(c);
1712 z_GDU(c->odr_print, &gdu, 0, 0);
1714 z_GDU(c->odr_save, &gdu, 0, 0);
1715 if (gdu->which == Z_GDU_Z3950)
1716 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1717 else if (gdu->which == Z_GDU_HTTP_Response)
1720 handle_http(c, gdu->u.HTTP_Response);
1722 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1723 ZOOM_connection_close(c);
1731 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1736 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1737 ZOOM_connection_put_event(c, event);
1739 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1740 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1742 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1743 if (ZOOM_test_reconnect(c))
1745 return zoom_pending;
1747 if (c->state == STATE_CONNECTING)
1748 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1750 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1751 ZOOM_connection_close(c);
1752 return zoom_complete;
1756 int mask = ZOOM_SELECT_EXCEPT;
1757 if (c->cs->io_pending & CS_WANT_WRITE)
1758 mask += ZOOM_SELECT_WRITE;
1759 if (c->cs->io_pending & CS_WANT_READ)
1760 mask += ZOOM_SELECT_READ;
1761 ZOOM_connection_set_mask(c, mask);
1762 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1767 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1768 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1771 return zoom_pending;
1774 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1776 return do_write_ex(c, c->buf_out, c->len_out);
1780 ZOOM_API(const char *)
1781 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1783 return ZOOM_options_get(c->options, key);
1786 ZOOM_API(const char *)
1787 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1789 return ZOOM_options_getl(c->options, key, lenp);
1793 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1796 ZOOM_options_set(c->options, key, val);
1800 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1801 const char *val, int len)
1803 ZOOM_options_setl(c->options, key, val, len);
1806 ZOOM_API(const char *)
1807 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1809 return ZOOM_options_get(r->options, key);
1813 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1816 ZOOM_options_set(r->options, key, val);
1821 ZOOM_connection_errcode(ZOOM_connection c)
1823 return ZOOM_connection_error(c, 0, 0);
1826 ZOOM_API(const char *)
1827 ZOOM_connection_errmsg(ZOOM_connection c)
1830 ZOOM_connection_error(c, &msg, 0);
1834 ZOOM_API(const char *)
1835 ZOOM_connection_addinfo(ZOOM_connection c)
1837 const char *addinfo;
1838 ZOOM_connection_error(c, 0, &addinfo);
1842 ZOOM_API(const char *)
1843 ZOOM_connection_diagset(ZOOM_connection c)
1845 const char *diagset;
1846 ZOOM_connection_error_x(c, 0, 0, &diagset);
1850 ZOOM_API(const char *)
1851 ZOOM_diag_str(int error)
1855 case ZOOM_ERROR_NONE:
1857 case ZOOM_ERROR_CONNECT:
1858 return "Connect failed";
1859 case ZOOM_ERROR_MEMORY:
1860 return "Out of memory";
1861 case ZOOM_ERROR_ENCODE:
1862 return "Encoding failed";
1863 case ZOOM_ERROR_DECODE:
1864 return "Decoding failed";
1865 case ZOOM_ERROR_CONNECTION_LOST:
1866 return "Connection lost";
1867 case ZOOM_ERROR_INIT:
1868 return "Init rejected";
1869 case ZOOM_ERROR_INTERNAL:
1870 return "Internal failure";
1871 case ZOOM_ERROR_TIMEOUT:
1873 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1874 return "Unsupported protocol";
1875 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1876 return "Unsupported query type";
1877 case ZOOM_ERROR_INVALID_QUERY:
1878 return "Invalid query";
1879 case ZOOM_ERROR_CQL_PARSE:
1880 return "CQL parsing error";
1881 case ZOOM_ERROR_CQL_TRANSFORM:
1882 return "CQL transformation error";
1883 case ZOOM_ERROR_CCL_CONFIG:
1884 return "CCL configuration error";
1885 case ZOOM_ERROR_CCL_PARSE:
1886 return "CCL parsing error";
1887 case ZOOM_ERROR_ES_INVALID_ACTION:
1888 return "Extended Service. invalid action";
1889 case ZOOM_ERROR_ES_INVALID_VERSION:
1890 return "Extended Service. invalid version";
1891 case ZOOM_ERROR_ES_INVALID_SYNTAX:
1892 return "Extended Service. invalid syntax";
1894 return diagbib1_str(error);
1899 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1900 const char **addinfo, const char **diagset)
1902 int error = c->error;
1905 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1906 *cp = ZOOM_diag_str(error);
1907 else if (!strcmp(c->diagset, "HTTP"))
1908 *cp = z_HTTP_errmsg(c->error);
1909 else if (!strcmp(c->diagset, "Bib-1"))
1910 *cp = ZOOM_diag_str(error);
1911 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1912 *cp = yaz_diag_srw_str(c->error);
1914 *cp = "Unknown error and diagnostic set";
1917 *addinfo = c->addinfo ? c->addinfo : "";
1919 *diagset = c->diagset ? c->diagset : "";
1924 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1925 const char **addinfo)
1927 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1930 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1932 ZOOM_Event event = 0;
1933 int r = cs_look(c->cs);
1934 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1939 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1940 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1941 ZOOM_connection_close(c);
1942 ZOOM_connection_put_event(c, event);
1944 else if (r == CS_CONNECT)
1946 int ret = ret = cs_rcvconnect(c->cs);
1947 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1948 "cs_rcvconnect returned %d", c, ret);
1951 int mask = ZOOM_SELECT_EXCEPT;
1952 if (c->cs->io_pending & CS_WANT_WRITE)
1953 mask += ZOOM_SELECT_WRITE;
1954 if (c->cs->io_pending & CS_WANT_READ)
1955 mask += ZOOM_SELECT_READ;
1956 ZOOM_connection_set_mask(c, mask);
1957 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1958 ZOOM_connection_put_event(c, event);
1962 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1963 ZOOM_connection_put_event(c, event);
1965 if (c->proto == PROTO_Z3950)
1966 ZOOM_connection_Z3950_send_init(c);
1969 /* no init request for SRW .. */
1970 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1971 ZOOM_connection_remove_task(c);
1972 ZOOM_connection_set_mask(c, 0);
1973 ZOOM_connection_exec_task(c);
1975 c->state = STATE_ESTABLISHED;
1979 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1980 ZOOM_connection_close(c);
1985 if (mask & ZOOM_SELECT_EXCEPT)
1987 if (!ZOOM_test_reconnect(c))
1989 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1990 ZOOM_connection_close(c);
1994 if (mask & ZOOM_SELECT_READ)
1996 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2002 ZOOM_connection_last_event(ZOOM_connection cs)
2005 return ZOOM_EVENT_NONE;
2006 return cs->last_event;
2010 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
2014 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2015 /* timeout and this connection was waiting */
2016 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
2017 ZOOM_connection_close(c);
2018 ZOOM_connection_put_event(c, event);
2024 ZOOM_connection_process(ZOOM_connection c)
2030 event = ZOOM_connection_get_event(c);
2033 ZOOM_Event_destroy(event);
2036 ZOOM_connection_exec_task(c);
2037 event = ZOOM_connection_get_event(c);
2040 ZOOM_Event_destroy(event);
2047 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2051 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2053 for (i = 0; i<no; i++)
2055 ZOOM_connection c = cs[i];
2057 if (c && ZOOM_connection_process(c))
2063 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2065 if (c->mask && mask)
2066 ZOOM_connection_do_io(c, mask);
2070 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2073 return cs_fileno(c->cs);
2077 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2085 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2092 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2094 return ZOOM_options_get_int(c->options, "timeout", 30);
2097 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2102 ZOOM_connection_set_mask(c, 0);
2103 c->state = STATE_IDLE;
2109 * c-file-style: "Stroustrup"
2110 * indent-tabs-mode: nil
2112 * vim: shiftwidth=4 tabstop=8 expandtab