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);
240 ZOOM_API(ZOOM_connection)
241 ZOOM_connection_create(ZOOM_options options)
243 ZOOM_connection c = (ZOOM_connection) xmalloc(sizeof(*c));
247 c->log_api = log_api0;
248 c->log_details = log_details0;
250 yaz_log(c->log_api, "%p ZOOM_connection_create", c);
252 c->proto = PROTO_Z3950;
254 ZOOM_connection_set_mask(c, 0);
256 c->state = STATE_IDLE;
259 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
266 c->options = ZOOM_options_create_with_parent(options);
271 c->charset = c->lang = 0;
282 c->maximum_record_size = 0;
283 c->preferred_message_size = 0;
285 c->odr_in = odr_createmem(ODR_DECODE);
286 c->odr_out = odr_createmem(ODR_ENCODE);
290 c->support_named_resultsets = 0;
291 c->last_event = ZOOM_EVENT_NONE;
293 c->m_queue_front = 0;
302 /* set database names. Take local databases (if set); otherwise
303 take databases given in ZURL (if set); otherwise use Default */
304 char **ZOOM_connection_get_databases(ZOOM_connection con, ZOOM_options options,
307 char **databaseNames;
308 const char *cp = ZOOM_options_get(options, "databaseName");
310 if ((!cp || !*cp) && con->host_port)
312 if (strncmp(con->host_port, "unix:", 5) == 0)
313 cp = strchr(con->host_port+5, ':');
315 cp = strchr(con->host_port, '/');
321 nmem_strsplit(odr_getmem(odr), "+", cp, &databaseNames, num);
322 return databaseNames;
325 ZOOM_API(ZOOM_connection)
326 ZOOM_connection_new(const char *host, int portnum)
328 ZOOM_connection c = ZOOM_connection_create(0);
330 ZOOM_connection_connect(c, host, portnum);
334 static zoom_sru_mode get_sru_mode_from_string(const char *s)
337 return zoom_sru_soap;
338 if (!yaz_matchstr(s, "soap"))
339 return zoom_sru_soap;
340 else if (!yaz_matchstr(s, "get"))
342 else if (!yaz_matchstr(s, "post"))
343 return zoom_sru_post;
344 else if (!yaz_matchstr(s, "solr"))
345 return zoom_sru_solr;
346 return zoom_sru_error;
350 ZOOM_connection_connect(ZOOM_connection c,
351 const char *host, int portnum)
357 yaz_log(c->log_api, "%p ZOOM_connection_connect host=%s portnum=%d",
358 c, host ? host : "null", portnum);
360 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
361 ZOOM_connection_remove_tasks(c);
365 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
366 odr_destroy(c->odr_print);
368 if (ZOOM_options_get_bool(c->options, "apdulog", 0))
370 c->odr_print = odr_createmem(ODR_PRINT);
371 odr_setprint(c->odr_print, yaz_log_file());
378 yaz_log(c->log_details, "%p ZOOM_connection_connect reconnect ok", c);
382 yaz_log(c->log_details, "%p ZOOM_connection_connect connect", c);
385 val = ZOOM_options_get(c->options, "proxy");
388 yaz_log(c->log_details, "%p ZOOM_connection_connect proxy=%s", c, val);
389 c->proxy = xstrdup(val);
394 val = ZOOM_options_get(c->options, "charset");
397 yaz_log(c->log_details, "%p ZOOM_connection_connect charset=%s", c, val);
398 c->charset = xstrdup(val);
402 val = ZOOM_options_get(c->options, "lang");
405 yaz_log(c->log_details, "%p ZOOM_connection_connect lang=%s", c, val);
406 c->lang = xstrdup(val);
417 sprintf(hostn, "%.80s:%d", host, portnum);
418 c->host_port = xstrdup(hostn);
421 c->host_port = xstrdup(host);
426 * If the "<scheme>:" part of the host string is preceded by one
427 * or more comma-separated <name>=<value> pairs, these are taken
428 * to be options to be set on the connection object. Among other
429 * applications, this facility can be used to embed authentication
431 * user=admin,password=secret,tcp:localhost:9999
433 char *remainder = c->host_port;
434 char *pcolon = strchr(remainder, ':');
437 while ((pcomma = strchr(remainder, ',')) != 0 &&
438 (pcolon == 0 || pcomma < pcolon)) {
440 if ((pequals = strchr(remainder, '=')) != 0) {
442 /*printf("# setting '%s'='%s'\n", remainder, pequals+1);*/
443 ZOOM_connection_option_set(c, remainder, pequals+1);
445 remainder = pcomma+1;
448 if (remainder != c->host_port) {
450 c->host_port = xstrdup(remainder);
451 /*printf("# reset hp='%s'\n", remainder);*/
455 val = ZOOM_options_get(c->options, "sru");
456 c->sru_mode = get_sru_mode_from_string(val);
458 xfree(c->sru_version);
459 val = ZOOM_options_get(c->options, "sru_version");
460 c->sru_version = xstrdup(val ? val : "1.2");
462 ZOOM_options_set(c->options, "host", c->host_port);
464 xfree(c->cookie_out);
466 val = ZOOM_options_get(c->options, "cookie");
469 yaz_log(c->log_details, "%p ZOOM_connection_connect cookie=%s", c, val);
470 c->cookie_out = xstrdup(val);
475 val = ZOOM_options_get(c->options, "clientIP");
478 yaz_log(c->log_details, "%p ZOOM_connection_connect clientIP=%s",
480 c->client_IP = xstrdup(val);
485 val = ZOOM_options_get(c->options, "group");
487 c->group = xstrdup(val);
491 val = ZOOM_options_get(c->options, "user");
493 c->user = xstrdup(val);
497 val = ZOOM_options_get(c->options, "password");
499 val = ZOOM_options_get(c->options, "pass");
502 c->password = xstrdup(val);
504 c->maximum_record_size =
505 ZOOM_options_get_int(c->options, "maximumRecordSize", 1024*1024);
506 c->preferred_message_size =
507 ZOOM_options_get_int(c->options, "preferredMessageSize", 1024*1024);
509 c->async = ZOOM_options_get_bool(c->options, "async", 0);
511 if (c->sru_mode == zoom_sru_error)
513 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, val);
514 ZOOM_connection_remove_tasks(c);
518 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
519 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
523 while (ZOOM_event(1, &c))
528 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
530 #if ZOOM_RESULT_LISTS
534 /* remove ourselves from the resultsets in connection */
535 ZOOM_resultset *rp = &r->connection->resultsets;
538 assert(*rp); /* we must be in this list!! */
540 { /* OK, we're here - take us out of it */
552 ZOOM_connection_destroy(ZOOM_connection c)
554 #if ZOOM_RESULT_LISTS
555 ZOOM_resultsets list;
561 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
565 #if ZOOM_RESULT_LISTS
566 /* Remove the connection's usage of resultsets */
567 list = c->resultsets;
569 ZOOM_resultsets removed = list;
570 ZOOM_resultset_destroy(list->resultset);
575 for (r = c->resultsets; r; r = r->next)
582 odr_destroy(c->odr_in);
583 odr_destroy(c->odr_out);
586 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
587 odr_destroy(c->odr_print);
589 ZOOM_options_destroy(c->options);
590 ZOOM_connection_remove_tasks(c);
591 ZOOM_connection_remove_events(c);
596 xfree(c->cookie_out);
602 xfree(c->sru_version);
606 void ZOOM_resultset_addref(ZOOM_resultset r)
610 yaz_mutex_enter(r->mutex);
612 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
614 yaz_mutex_leave(r->mutex);
618 static int g_resultsets = 0;
619 static YAZ_MUTEX g_resultset_mutex = 0;
621 /* TODO We need to initialize this before running threaded:
622 * call resultset_use(0) */
624 static int resultset_use(int delta) {
626 if (g_resultset_mutex == 0)
627 yaz_mutex_create(&g_resultset_mutex);
628 yaz_mutex_enter(g_resultset_mutex);
629 g_resultsets += delta;
630 resultset_count = g_resultsets;
631 yaz_mutex_leave(g_resultset_mutex);
632 return resultset_count;
635 int resultsets_count(void) {
636 return resultset_use(0);
639 ZOOM_resultset ZOOM_resultset_create(void)
642 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
646 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
649 r->odr = odr_createmem(ODR_ENCODE);
654 for (i = 0; i<RECORD_HASH_SIZE; i++)
655 r->record_hash[i] = 0;
659 r->databaseNames = 0;
660 r->num_databaseNames = 0;
665 yaz_mutex_create(&r->mutex);
668 WRBUF w = wrbuf_alloc();
669 YAZ_SHPTR_INIT(r->record_wrbuf, w);
676 ZOOM_API(ZOOM_resultset)
677 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
680 ZOOM_query s = ZOOM_query_create();
682 ZOOM_query_prefix(s, q);
684 r = ZOOM_connection_search(c, s);
685 ZOOM_query_destroy(s);
689 ZOOM_API(ZOOM_resultset)
690 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
692 ZOOM_resultset r = ZOOM_resultset_create();
696 const char *syntax, *elementSetName;
697 #if ZOOM_RESULT_LISTS
701 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
702 r->r_sort_spec = ZOOM_query_get_sortspec(q);
705 r->options = ZOOM_options_create_with_parent(c->options);
707 start = ZOOM_options_get_int(r->options, "start", 0);
708 count = ZOOM_options_get_int(r->options, "count", 0);
710 /* If "presentChunk" is defined use that; otherwise "step" */
711 const char *cp = ZOOM_options_get(r->options, "presentChunk");
712 r->step = ZOOM_options_get_int(r->options,
713 (cp != 0 ? "presentChunk": "step"), 0);
715 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
716 cp = ZOOM_options_get(r->options, "setname");
718 r->setname = xstrdup(cp);
719 cp = ZOOM_options_get(r->options, "schema");
721 r->schema = xstrdup(cp);
723 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
728 #if ZOOM_RESULT_LISTS
729 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
730 set = xmalloc(sizeof(*set));
731 ZOOM_resultset_addref(r);
733 set->next = c->resultsets;
736 r->next = c->resultsets;
739 if (c->host_port && c->proto == PROTO_HTTP)
743 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
744 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
748 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
753 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
754 task->u.search.resultset = r;
755 task->u.search.start = start;
756 task->u.search.count = count;
757 task->u.search.recv_search_fired = 0;
759 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
760 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
761 elementSetName = ZOOM_options_get(r->options, "elementSetName");
762 task->u.search.elementSetName = elementSetName
763 ? xstrdup(elementSetName) : 0;
765 ZOOM_resultset_addref(r);
767 ZOOM_query_addref(q);
771 while (ZOOM_event(1, &c))
778 ZOOM_resultset_sort(ZOOM_resultset r,
779 const char *sort_type, const char *sort_spec)
781 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
785 ZOOM_resultset_sort1(ZOOM_resultset r,
786 const char *sort_type, const char *sort_spec)
788 ZOOM_connection c = r->connection;
792 newq = ZOOM_query_create();
793 if (ZOOM_query_sortby(newq, sort_spec) < 0)
796 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
797 r, r, sort_type, sort_spec);
801 if (c->host_port && c->proto == PROTO_HTTP)
805 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
806 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
810 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
816 ZOOM_resultset_cache_reset(r);
817 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
818 task->u.sort.resultset = r;
819 task->u.sort.q = newq;
821 ZOOM_resultset_addref(r);
825 while (ZOOM_event(1, &c))
833 ZOOM_resultset_destroy(ZOOM_resultset r)
835 resultset_destroy(r);
838 static void resultset_destroy(ZOOM_resultset r)
842 yaz_mutex_enter(r->mutex);
844 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
846 if (r->refcount == 0)
848 yaz_mutex_leave(r->mutex);
850 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
851 ZOOM_resultset_cache_reset(r);
852 ZOOM_resultset_release(r);
853 ZOOM_query_destroy(r->query);
854 ZOOM_options_destroy(r->options);
858 yaz_mutex_destroy(&r->mutex);
860 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
866 yaz_mutex_leave(r->mutex);
870 ZOOM_resultset_size(ZOOM_resultset r)
875 int ZOOM_test_reconnect(ZOOM_connection c)
879 if (!c->reconnect_ok)
881 ZOOM_connection_close(c);
883 c->tasks->running = 0;
884 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
886 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
887 ZOOM_connection_put_event(c, event);
892 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
893 int force_sync, int start, int count)
898 const char *syntax, *elementSetName;
902 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
903 " count=%d", r, force_sync, start, count);
908 if (c->host_port && c->proto == PROTO_HTTP)
912 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
913 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
917 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
922 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
923 task->u.retrieve.resultset = r;
924 task->u.retrieve.start = start;
925 task->u.retrieve.count = count;
927 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
928 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
929 elementSetName = ZOOM_options_get(r->options, "elementSetName");
930 task->u.retrieve.elementSetName = elementSetName
931 ? xstrdup(elementSetName) : 0;
933 cp = ZOOM_options_get(r->options, "schema");
936 if (!r->schema || strcmp(r->schema, cp))
939 r->schema = xstrdup(cp);
943 ZOOM_resultset_addref(r);
945 if (!r->connection->async || force_sync)
946 while (r->connection && ZOOM_event(1, &r->connection))
951 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
952 size_t start, size_t count)
954 int force_present = 0;
958 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
959 r, r, (long) start, (long) count);
962 ZOOM_resultset_retrieve(r, force_present, start, count);
966 for (i = 0; i< count; i++)
967 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
972 ZOOM_resultset_facets_size(ZOOM_resultset r) {
973 return r->num_facets;
976 ZOOM_API(ZOOM_facet_field)
977 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
978 int num = r->num_facets;
979 ZOOM_facet_field *facets = r->facets;
981 for (index = 0; index < num; index++) {
982 if (!strcmp(facets[index]->facet_name, name)) {
983 return facets[index];
990 ZOOM_API(ZOOM_facet_field *)
991 ZOOM_resultset_facets(ZOOM_resultset r)
996 ZOOM_API(const char**)
997 ZOOM_resultset_facet_names(ZOOM_resultset r)
999 return (const char **) r->facets_names;
1002 ZOOM_API(const char*)
1003 ZOOM_facet_field_name(ZOOM_facet_field field)
1005 return field->facet_name;
1009 ZOOM_facet_field_term_count(ZOOM_facet_field field)
1011 return field->num_terms;
1014 ZOOM_API(const char*)
1015 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
1016 *freq = field->facet_terms[idx].frequency;
1017 return field->facet_terms[idx].term;
1021 static void get_cert(ZOOM_connection c)
1026 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
1028 ZOOM_connection_option_setl(c, "sslPeerCert",
1029 cert_buf, cert_len);
1034 static zoom_ret do_connect_host(ZOOM_connection c,
1035 const char *logical_url);
1037 static zoom_ret do_connect(ZOOM_connection c)
1039 return do_connect_host(c, c->host_port);
1042 static zoom_ret do_connect_host(ZOOM_connection c, const char *logical_url)
1048 c->cs = cs_create_host_proxy(logical_url, 0, &add, c->proxy);
1050 if (c->cs && c->cs->protocol == PROTO_HTTP)
1053 c->proto = PROTO_HTTP;
1055 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1056 ZOOM_connection_close(c);
1057 return zoom_complete;
1062 int ret = cs_connect(c->cs, add);
1065 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1066 ZOOM_connection_put_event(c, event);
1068 if (c->proto == PROTO_Z3950)
1069 ZOOM_connection_Z3950_send_init(c);
1072 /* no init request for SRW .. */
1073 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1074 ZOOM_connection_remove_task(c);
1075 ZOOM_connection_set_mask(c, 0);
1076 ZOOM_connection_exec_task(c);
1078 c->state = STATE_ESTABLISHED;
1079 return zoom_pending;
1083 int mask = ZOOM_SELECT_EXCEPT;
1084 if (c->cs->io_pending & CS_WANT_WRITE)
1085 mask += ZOOM_SELECT_WRITE;
1086 if (c->cs->io_pending & CS_WANT_READ)
1087 mask += ZOOM_SELECT_READ;
1088 ZOOM_connection_set_mask(c, mask);
1089 c->state = STATE_CONNECTING;
1090 return zoom_pending;
1093 c->state = STATE_IDLE;
1094 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1095 return zoom_complete;
1098 /* returns 1 if PDU was sent OK (still pending )
1099 0 if PDU was not sent OK (nothing to wait for)
1102 ZOOM_API(ZOOM_record)
1103 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1105 const char *syntax =
1106 ZOOM_options_get(s->options, "preferredRecordSyntax");
1107 const char *elementSetName =
1108 ZOOM_options_get(s->options, "elementSetName");
1110 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1113 ZOOM_API(ZOOM_record)
1114 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1116 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1121 * MIKE: I think force_sync should always be zero, but I don't
1122 * want to make this change until I get the go-ahead from
1123 * Adam, in case something depends on the old synchronous
1127 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1128 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1129 rec = ZOOM_resultset_record_immediate(r, pos);
1134 ZOOM_API(ZOOM_scanset)
1135 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1138 ZOOM_query q = ZOOM_query_create();
1140 ZOOM_query_prefix(q, start);
1142 s = ZOOM_connection_scan1(c, q);
1143 ZOOM_query_destroy(q);
1148 ZOOM_API(ZOOM_scanset)
1149 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1151 ZOOM_scanset scan = 0;
1152 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1156 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1157 scan->connection = c;
1158 scan->odr = odr_createmem(ODR_DECODE);
1159 scan->options = ZOOM_options_create_with_parent(c->options);
1161 scan->scan_response = 0;
1162 scan->srw_scan_response = 0;
1165 ZOOM_query_addref(q);
1166 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1167 &scan->num_databaseNames,
1172 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1173 task->u.scan.scan = scan;
1178 while (ZOOM_event(1, &c))
1186 ZOOM_scanset_destroy(ZOOM_scanset scan)
1191 if (scan->refcount == 0)
1193 ZOOM_query_destroy(scan->query);
1195 odr_destroy(scan->odr);
1197 ZOOM_options_destroy(scan->options);
1202 static zoom_ret send_package(ZOOM_connection c)
1206 yaz_log(c->log_details, "%p send_package", c);
1208 return zoom_complete;
1209 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1211 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1212 ZOOM_connection_put_event(c, event);
1214 c->buf_out = c->tasks->u.package->buf_out;
1215 c->len_out = c->tasks->u.package->len_out;
1217 return ZOOM_send_buf(c);
1221 ZOOM_scanset_size(ZOOM_scanset scan)
1226 if (scan->scan_response && scan->scan_response->entries)
1227 return scan->scan_response->entries->num_entries;
1228 else if (scan->srw_scan_response)
1229 return scan->srw_scan_response->num_terms;
1233 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1235 const char **value_term, size_t *value_len,
1236 const char **disp_term, size_t *disp_len)
1238 size_t noent = ZOOM_scanset_size(scan);
1249 if (scan->scan_response)
1251 Z_ScanResponse *res = scan->scan_response;
1252 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1254 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1256 *value_term = (const char *) t->term->u.general->buf;
1257 *value_len = t->term->u.general->len;
1260 *disp_term = t->displayTerm;
1261 *disp_len = strlen(*disp_term);
1263 else if (t->term->which == Z_Term_general)
1265 *disp_term = (const char *) t->term->u.general->buf;
1266 *disp_len = t->term->u.general->len;
1268 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1271 if (scan->srw_scan_response)
1273 Z_SRW_scanResponse *res = scan->srw_scan_response;
1274 Z_SRW_scanTerm *t = res->terms + pos;
1277 *value_term = t->value;
1278 *value_len = strlen(*value_term);
1281 *disp_term = t->displayTerm;
1283 *disp_term = t->value;
1284 *disp_len = strlen(*disp_term);
1285 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1290 ZOOM_API(const char *)
1291 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1292 size_t *occ, size_t *len)
1294 const char *value_term = 0;
1295 size_t value_len = 0;
1296 const char *disp_term = 0;
1297 size_t disp_len = 0;
1299 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1300 &disp_term, &disp_len);
1306 ZOOM_API(const char *)
1307 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1308 size_t *occ, size_t *len)
1310 const char *value_term = 0;
1311 size_t value_len = 0;
1312 const char *disp_term = 0;
1313 size_t disp_len = 0;
1315 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1316 &disp_term, &disp_len);
1322 ZOOM_API(const char *)
1323 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1325 return ZOOM_options_get(scan->options, key);
1329 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1332 ZOOM_options_set(scan->options, key, val);
1336 ZOOM_API(ZOOM_package)
1337 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1339 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1342 p->odr_out = odr_createmem(ODR_ENCODE);
1343 p->options = ZOOM_options_create_with_parent2(options, c->options);
1351 ZOOM_package_destroy(ZOOM_package p)
1356 if (p->refcount == 0)
1358 odr_destroy(p->odr_out);
1361 ZOOM_options_destroy(p->options);
1366 ZOOM_API(const char *)
1367 ZOOM_package_option_get(ZOOM_package p, const char *key)
1369 return ZOOM_options_get(p->options, key);
1372 ZOOM_API(const char *)
1373 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1375 return ZOOM_options_getl(p->options, key, lenp);
1379 ZOOM_package_option_set(ZOOM_package p, const char *key,
1382 ZOOM_options_set(p->options, key, val);
1386 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1387 const char *val, int len)
1389 ZOOM_options_setl(p->options, key, val, len);
1393 ZOOM_connection_exec_task(ZOOM_connection c)
1395 ZOOM_task task = c->tasks;
1396 zoom_ret ret = zoom_complete;
1400 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1401 c, task->which, task->running);
1402 if (c->error != ZOOM_ERROR_NONE)
1404 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1405 "removing tasks because of error = %d", c, c->error);
1406 ZOOM_connection_remove_tasks(c);
1411 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1412 "task already running", c);
1416 ret = zoom_complete;
1417 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1419 switch (task->which)
1421 case ZOOM_TASK_SEARCH:
1422 if (c->proto == PROTO_HTTP)
1423 ret = ZOOM_connection_srw_send_search(c);
1425 ret = ZOOM_connection_Z3950_send_search(c);
1427 case ZOOM_TASK_RETRIEVE:
1428 if (c->proto == PROTO_HTTP)
1429 ret = ZOOM_connection_srw_send_search(c);
1431 ret = send_Z3950_present(c);
1433 case ZOOM_TASK_CONNECT:
1434 ret = do_connect(c);
1436 case ZOOM_TASK_SCAN:
1437 if (c->proto == PROTO_HTTP)
1438 ret = ZOOM_connection_srw_send_scan(c);
1440 ret = ZOOM_connection_Z3950_send_scan(c);
1442 case ZOOM_TASK_PACKAGE:
1443 ret = send_package(c);
1445 case ZOOM_TASK_SORT:
1446 c->tasks->u.sort.resultset->r_sort_spec =
1447 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1448 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1454 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1455 "remove tasks because no connection exist", c);
1456 ZOOM_connection_remove_tasks(c);
1458 if (ret == zoom_complete)
1460 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1461 "task removed (complete)", c);
1462 ZOOM_connection_remove_task(c);
1465 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1472 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
1473 Z_HTTP_Response *cookie_hres)
1475 struct Z_HTTP_Header *h;
1476 char *combined_cookies = 0;
1477 int combined_cookies_len = 0;
1478 Z_GDU *gdu = z_get_HTTP_Request_uri(c->odr_out, uri, 0, c->proxy ? 1 : 0);
1480 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1481 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1484 for (h = cookie_hres->headers; h; h = h->next)
1486 if (!strcmp(h->name, "Set-Cookie"))
1490 if (!(cp = strchr(h->value, ';')))
1491 cp = h->value + strlen(h->value);
1492 if (cp - h->value >= 1) {
1493 combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
1494 memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
1495 combined_cookies[combined_cookies_len + cp - h->value] = '\0';
1496 strcat(combined_cookies,"; ");
1497 combined_cookies_len = strlen(combined_cookies);
1502 if (combined_cookies_len)
1504 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1505 "Cookie", combined_cookies);
1506 xfree(combined_cookies);
1509 if (c->user && c->password)
1511 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1512 c->user, c->password);
1514 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1515 return zoom_complete;
1517 z_GDU(c->odr_print, &gdu, 0, 0);
1518 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1520 odr_reset(c->odr_out);
1521 return ZOOM_send_buf(c);
1525 void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
1526 const char *addinfo, const char *addinfo2)
1528 ZOOM_set_dset_error(c, error, "HTTP", addinfo, addinfo2);
1533 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
1535 zoom_ret cret = zoom_complete;
1538 const char *connection_head = z_HTTP_header_lookup(hres->headers,
1540 const char *location;
1542 ZOOM_connection_set_mask(c, 0);
1543 yaz_log(c->log_details, "%p handle_http", c);
1545 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1546 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1549 if (c->no_redirects > 10)
1551 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1552 c->no_redirects = 0;
1553 ZOOM_connection_close(c);
1557 /* since redirect may change host we just reconnect. A smarter
1558 implementation might check whether it's the same server */
1559 do_connect_host(c, location);
1560 send_HTTP_redirect(c, location, hres);
1561 /* we're OK for now. Operation is not really complete */
1567 ret = ZOOM_handle_sru(c, hres, &cret, &addinfo);
1570 if (c->no_redirects) /* end of redirect. change hosts again */
1571 ZOOM_connection_close(c);
1573 c->no_redirects = 0;
1577 if (hres->code != 200)
1578 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1581 yaz_log(YLOG_LOG, "set error... addinfo=%s", addinfo ?
1583 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1585 ZOOM_connection_close(c);
1587 if (cret == zoom_complete)
1589 yaz_log(c->log_details, "removing tasks in handle_http");
1590 ZOOM_connection_remove_task(c);
1594 if (!strcmp(hres->version, "1.0"))
1596 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1597 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1602 /* HTTP 1.1: only if no close we stay alive.. */
1603 if (connection_head && !strcmp(connection_head, "close"))
1608 ZOOM_connection_close(c);
1611 c->tasks->running = 0;
1612 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1613 c->reconnect_ok = 0;
1617 c->reconnect_ok = 1; /* if the server closes anyway */
1622 static int do_read(ZOOM_connection c)
1627 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1628 ZOOM_connection_put_event(c, event);
1630 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1631 more = cs_more(c->cs);
1632 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1637 if (!ZOOM_test_reconnect(c))
1639 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1640 ZOOM_connection_close(c);
1648 odr_reset(c->odr_in);
1649 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1650 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1651 ZOOM_connection_put_event(c, event);
1653 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1656 int err = odr_geterrorx(c->odr_in, &x);
1658 const char *element = odr_getelement(c->odr_in);
1659 yaz_snprintf(msg, sizeof(msg),
1660 "ODR code %d:%d element=%s offset=%d",
1661 err, x, element ? element : "<unknown>",
1662 odr_offset(c->odr_in));
1663 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1666 FILE *ber_file = yaz_log_file();
1668 odr_dumpBER(ber_file, c->buf_in, r);
1670 ZOOM_connection_close(c);
1675 z_GDU(c->odr_print, &gdu, 0, 0);
1676 if (gdu->which == Z_GDU_Z3950)
1677 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1678 else if (gdu->which == Z_GDU_HTTP_Response)
1681 handle_http(c, gdu->u.HTTP_Response);
1683 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1684 ZOOM_connection_close(c);
1692 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1697 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1698 ZOOM_connection_put_event(c, event);
1700 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1701 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1703 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1704 if (ZOOM_test_reconnect(c))
1706 return zoom_pending;
1708 if (c->state == STATE_CONNECTING)
1709 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1711 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1712 ZOOM_connection_close(c);
1713 return zoom_complete;
1717 int mask = ZOOM_SELECT_EXCEPT;
1718 if (c->cs->io_pending & CS_WANT_WRITE)
1719 mask += ZOOM_SELECT_WRITE;
1720 if (c->cs->io_pending & CS_WANT_READ)
1721 mask += ZOOM_SELECT_READ;
1722 ZOOM_connection_set_mask(c, mask);
1723 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1728 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1729 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1732 return zoom_pending;
1735 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1737 return do_write_ex(c, c->buf_out, c->len_out);
1741 ZOOM_API(const char *)
1742 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1744 return ZOOM_options_get(c->options, key);
1747 ZOOM_API(const char *)
1748 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1750 return ZOOM_options_getl(c->options, key, lenp);
1754 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1757 ZOOM_options_set(c->options, key, val);
1761 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1762 const char *val, int len)
1764 ZOOM_options_setl(c->options, key, val, len);
1767 ZOOM_API(const char *)
1768 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1770 return ZOOM_options_get(r->options, key);
1774 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1777 ZOOM_options_set(r->options, key, val);
1782 ZOOM_connection_errcode(ZOOM_connection c)
1784 return ZOOM_connection_error(c, 0, 0);
1787 ZOOM_API(const char *)
1788 ZOOM_connection_errmsg(ZOOM_connection c)
1791 ZOOM_connection_error(c, &msg, 0);
1795 ZOOM_API(const char *)
1796 ZOOM_connection_addinfo(ZOOM_connection c)
1798 const char *addinfo;
1799 ZOOM_connection_error(c, 0, &addinfo);
1803 ZOOM_API(const char *)
1804 ZOOM_connection_diagset(ZOOM_connection c)
1806 const char *diagset;
1807 ZOOM_connection_error_x(c, 0, 0, &diagset);
1811 ZOOM_API(const char *)
1812 ZOOM_diag_str(int error)
1816 case ZOOM_ERROR_NONE:
1818 case ZOOM_ERROR_CONNECT:
1819 return "Connect failed";
1820 case ZOOM_ERROR_MEMORY:
1821 return "Out of memory";
1822 case ZOOM_ERROR_ENCODE:
1823 return "Encoding failed";
1824 case ZOOM_ERROR_DECODE:
1825 return "Decoding failed";
1826 case ZOOM_ERROR_CONNECTION_LOST:
1827 return "Connection lost";
1828 case ZOOM_ERROR_INIT:
1829 return "Init rejected";
1830 case ZOOM_ERROR_INTERNAL:
1831 return "Internal failure";
1832 case ZOOM_ERROR_TIMEOUT:
1834 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1835 return "Unsupported protocol";
1836 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1837 return "Unsupported query type";
1838 case ZOOM_ERROR_INVALID_QUERY:
1839 return "Invalid query";
1840 case ZOOM_ERROR_CQL_PARSE:
1841 return "CQL parsing error";
1842 case ZOOM_ERROR_CQL_TRANSFORM:
1843 return "CQL transformation error";
1844 case ZOOM_ERROR_CCL_CONFIG:
1845 return "CCL configuration error";
1846 case ZOOM_ERROR_CCL_PARSE:
1847 return "CCL parsing error";
1848 case ZOOM_ERROR_ES_INVALID_ACTION:
1849 return "Extended Service. invalid action";
1850 case ZOOM_ERROR_ES_INVALID_VERSION:
1851 return "Extended Service. invalid version";
1852 case ZOOM_ERROR_ES_INVALID_SYNTAX:
1853 return "Extended Service. invalid syntax";
1855 return diagbib1_str(error);
1860 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1861 const char **addinfo, const char **diagset)
1863 int error = c->error;
1866 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1867 *cp = ZOOM_diag_str(error);
1868 else if (!strcmp(c->diagset, "HTTP"))
1869 *cp = z_HTTP_errmsg(c->error);
1870 else if (!strcmp(c->diagset, "Bib-1"))
1871 *cp = ZOOM_diag_str(error);
1872 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1873 *cp = yaz_diag_srw_str(c->error);
1875 *cp = "Unknown error and diagnostic set";
1878 *addinfo = c->addinfo ? c->addinfo : "";
1880 *diagset = c->diagset ? c->diagset : "";
1885 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1886 const char **addinfo)
1888 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1891 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1893 ZOOM_Event event = 0;
1894 int r = cs_look(c->cs);
1895 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1900 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1901 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1902 ZOOM_connection_close(c);
1903 ZOOM_connection_put_event(c, event);
1905 else if (r == CS_CONNECT)
1907 int ret = ret = cs_rcvconnect(c->cs);
1908 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1909 "cs_rcvconnect returned %d", c, ret);
1912 int mask = ZOOM_SELECT_EXCEPT;
1913 if (c->cs->io_pending & CS_WANT_WRITE)
1914 mask += ZOOM_SELECT_WRITE;
1915 if (c->cs->io_pending & CS_WANT_READ)
1916 mask += ZOOM_SELECT_READ;
1917 ZOOM_connection_set_mask(c, mask);
1918 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1919 ZOOM_connection_put_event(c, event);
1923 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1924 ZOOM_connection_put_event(c, event);
1926 if (c->proto == PROTO_Z3950)
1927 ZOOM_connection_Z3950_send_init(c);
1930 /* no init request for SRW .. */
1931 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1932 ZOOM_connection_remove_task(c);
1933 ZOOM_connection_set_mask(c, 0);
1934 ZOOM_connection_exec_task(c);
1936 c->state = STATE_ESTABLISHED;
1940 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1941 ZOOM_connection_close(c);
1946 if (mask & ZOOM_SELECT_EXCEPT)
1948 if (!ZOOM_test_reconnect(c))
1950 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1951 ZOOM_connection_close(c);
1955 if (mask & ZOOM_SELECT_READ)
1957 if (c->cs && (mask & ZOOM_SELECT_WRITE))
1963 ZOOM_connection_last_event(ZOOM_connection cs)
1966 return ZOOM_EVENT_NONE;
1967 return cs->last_event;
1971 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
1975 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
1976 /* timeout and this connection was waiting */
1977 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
1978 ZOOM_connection_close(c);
1979 ZOOM_connection_put_event(c, event);
1985 ZOOM_connection_process(ZOOM_connection c)
1991 event = ZOOM_connection_get_event(c);
1994 ZOOM_Event_destroy(event);
1997 ZOOM_connection_exec_task(c);
1998 event = ZOOM_connection_get_event(c);
2001 ZOOM_Event_destroy(event);
2008 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2012 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2014 for (i = 0; i<no; i++)
2016 ZOOM_connection c = cs[i];
2018 if (c && ZOOM_connection_process(c))
2024 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2026 if (c->mask && mask)
2027 ZOOM_connection_do_io(c, mask);
2031 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2034 return cs_fileno(c->cs);
2038 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2046 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2053 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2055 return ZOOM_options_get_int(c->options, "timeout", 30);
2058 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2063 ZOOM_connection_set_mask(c, 0);
2064 c->state = STATE_IDLE;
2070 * c-file-style: "Stroustrup"
2071 * indent-tabs-mode: nil
2073 * vim: shiftwidth=4 tabstop=8 expandtab