1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 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, '/')))
99 void ZOOM_set_error(ZOOM_connection c, int error, const char *addinfo)
101 ZOOM_set_dset_error(c, error, "ZOOM", addinfo, 0);
104 static void clear_error(ZOOM_connection c)
107 * If an error is tied to an operation then it's ok to clear: for
108 * example, a diagnostic returned from a search is cleared by a
109 * subsequent search. However, problems such as Connection Lost
110 * or Init Refused are not cleared, because they are not
111 * recoverable: doing another search doesn't help.
114 ZOOM_connection_remove_events(c);
117 case ZOOM_ERROR_CONNECT:
118 case ZOOM_ERROR_MEMORY:
119 case ZOOM_ERROR_DECODE:
120 case ZOOM_ERROR_CONNECTION_LOST:
121 case ZOOM_ERROR_INIT:
122 case ZOOM_ERROR_INTERNAL:
123 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
126 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
130 void ZOOM_connection_show_task(ZOOM_task task)
134 case ZOOM_TASK_SEARCH:
135 yaz_log(YLOG_LOG, "search p=%p", task);
137 case ZOOM_TASK_CONNECT:
138 yaz_log(YLOG_LOG, "connect p=%p", task);
141 yaz_log(YLOG_LOG, "scan p=%p", task);
146 void ZOOM_connection_show_tasks(ZOOM_connection c)
149 yaz_log(YLOG_LOG, "connection p=%p tasks", c);
150 for (task = c->tasks; task; task = task->next)
151 ZOOM_connection_show_task(task);
154 ZOOM_task ZOOM_connection_add_task(ZOOM_connection c, int which)
156 ZOOM_task *taskp = &c->tasks;
158 taskp = &(*taskp)->next;
159 *taskp = (ZOOM_task) xmalloc(sizeof(**taskp));
160 (*taskp)->running = 0;
161 (*taskp)->which = which;
167 ZOOM_API(int) ZOOM_connection_is_idle(ZOOM_connection c)
169 return c->tasks ? 0 : 1;
172 ZOOM_task ZOOM_connection_insert_task(ZOOM_connection c, int which)
174 ZOOM_task task = (ZOOM_task) xmalloc(sizeof(*task));
176 task->next = c->tasks;
184 void ZOOM_connection_remove_task(ZOOM_connection c)
186 ZOOM_task task = c->tasks;
190 c->tasks = task->next;
193 case ZOOM_TASK_SEARCH:
194 resultset_destroy(task->u.search.resultset);
195 xfree(task->u.search.syntax);
196 xfree(task->u.search.elementSetName);
197 xfree(task->u.search.schema);
199 case ZOOM_TASK_CONNECT:
202 ZOOM_scanset_destroy(task->u.scan.scan);
204 case ZOOM_TASK_PACKAGE:
205 ZOOM_package_destroy(task->u.package);
208 resultset_destroy(task->u.sort.resultset);
209 ZOOM_query_destroy(task->u.sort.q);
218 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_END);
219 ZOOM_connection_put_event(c, event);
224 void ZOOM_connection_remove_tasks(ZOOM_connection c)
227 ZOOM_connection_remove_task(c);
230 static void odr_wrbuf_write(ODR o, void *handle, int type,
231 const char *buf, int len)
233 WRBUF w = (WRBUF) handle;
234 wrbuf_write(w, buf, len);
237 ZOOM_API(ZOOM_connection)
238 ZOOM_connection_create(ZOOM_options options)
240 ZOOM_connection c = (ZOOM_connection) xmalloc(sizeof(*c));
244 c->log_api = log_api0;
245 c->log_details = log_details0;
247 yaz_log(c->log_api, "%p ZOOM_connection_create", c);
249 c->proto = PROTO_Z3950;
251 ZOOM_connection_set_mask(c, 0);
253 c->state = STATE_IDLE;
256 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
263 c->options = ZOOM_options_create_with_parent(options);
269 c->charset = c->lang = 0;
279 c->url_authentication = 0;
281 c->maximum_record_size = 0;
282 c->preferred_message_size = 0;
284 c->odr_in = odr_createmem(ODR_DECODE);
285 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;
299 c->saveAPDU_wrbuf = 0;
301 ZOOM_memcached_init(c);
305 ZOOM_API(void) ZOOM_connection_save_apdu_wrbuf(ZOOM_connection c, WRBUF w)
309 odr_destroy(c->odr_save);
314 c->odr_save = odr_createmem(ODR_PRINT);
315 odr_set_stream(c->odr_save, w, odr_wrbuf_write, 0);
319 /* set database names. Take local databases (if set); otherwise
320 take databases given in ZURL (if set); otherwise use Default */
321 char **ZOOM_connection_get_databases(ZOOM_connection con, ZOOM_options options,
324 char **databaseNames;
325 const char *cp = ZOOM_options_get(options, "databaseName");
327 if ((!cp || !*cp) && con->host_port)
328 cs_get_host_args(con->host_port, &cp);
331 nmem_strsplit(odr_getmem(odr), "+", cp, &databaseNames, num);
332 return databaseNames;
335 ZOOM_API(ZOOM_connection)
336 ZOOM_connection_new(const char *host, int portnum)
338 ZOOM_connection c = ZOOM_connection_create(0);
340 ZOOM_connection_connect(c, host, portnum);
344 static zoom_sru_mode get_sru_mode_from_string(const char *s)
347 return zoom_sru_soap;
348 if (!yaz_matchstr(s, "soap"))
349 return zoom_sru_soap;
350 else if (!yaz_matchstr(s, "get"))
352 else if (!yaz_matchstr(s, "post"))
353 return zoom_sru_post;
354 else if (!yaz_matchstr(s, "solr"))
355 return zoom_sru_solr;
356 return zoom_sru_error;
360 ZOOM_connection_connect(ZOOM_connection c,
361 const char *host, int portnum)
367 yaz_log(c->log_api, "%p ZOOM_connection_connect host=%s portnum=%d",
368 c, host ? host : "null", portnum);
370 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
371 ZOOM_connection_remove_tasks(c);
375 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
376 odr_destroy(c->odr_print);
378 if (ZOOM_options_get_bool(c->options, "apdulog", 0))
380 c->odr_print = odr_createmem(ODR_PRINT);
381 odr_setprint(c->odr_print, yaz_log_file());
388 yaz_log(c->log_details, "%p ZOOM_connection_connect reconnect ok", c);
392 yaz_log(c->log_details, "%p ZOOM_connection_connect connect", c);
395 val = ZOOM_options_get(c->options, "proxy");
398 yaz_log(c->log_details, "%p ZOOM_connection_connect proxy=%s", c, val);
399 c->proxy = xstrdup(val);
404 val = ZOOM_options_get(c->options, "tproxy");
407 yaz_log(c->log_details, "%p ZOOM_connection_connect tproxy=%s", c, val);
408 c->tproxy = xstrdup(val);
413 val = ZOOM_options_get(c->options, "charset");
416 yaz_log(c->log_details, "%p ZOOM_connection_connect charset=%s", c, val);
417 c->charset = xstrdup(val);
421 val = ZOOM_options_get(c->options, "lang");
424 yaz_log(c->log_details, "%p ZOOM_connection_connect lang=%s", c, val);
425 c->lang = xstrdup(val);
433 const char *http_lead;
435 val = ZOOM_options_get(c->options, "sru");
436 if (val && *val && !strstr(host, "://"))
437 http_lead = "http://";
440 c->sru_mode = get_sru_mode_from_string(val);
445 sprintf(hostn, "%.80s:%d", host, portnum);
448 c->host_port = xmalloc(strlen(host) + strlen(http_lead) + 1);
449 strcpy(c->host_port, http_lead);
450 strcat(c->host_port, host);
455 * If the "<scheme>:" part of the host string is preceded by one
456 * or more comma-separated <name>=<value> pairs, these are taken
457 * to be options to be set on the connection object. Among other
458 * applications, this facility can be used to embed authentication
460 * user=admin,password=secret,tcp:localhost:9999
462 char *remainder = c->host_port;
463 char *pcolon = strchr(remainder, ':');
466 while ((pcomma = strchr(remainder, ',')) != 0 &&
467 (pcolon == 0 || pcomma < pcolon))
470 if ((pequals = strchr(remainder, '=')) != 0)
473 ZOOM_connection_option_set(c, remainder, pequals+1);
475 remainder = pcomma+1;
478 if (remainder != c->host_port)
480 remainder = xstrdup(remainder);
482 c->host_port = remainder;
486 xfree(c->sru_version);
487 val = ZOOM_options_get(c->options, "sru_version");
488 c->sru_version = xstrdup(val ? val : "1.2");
490 ZOOM_options_set(c->options, "host", c->host_port);
492 xfree(c->cookie_out);
494 val = ZOOM_options_get(c->options, "cookie");
497 yaz_log(c->log_details, "%p ZOOM_connection_connect cookie=%s", c, val);
498 c->cookie_out = xstrdup(val);
503 val = ZOOM_options_get(c->options, "clientIP");
506 yaz_log(c->log_details, "%p ZOOM_connection_connect clientIP=%s",
508 c->client_IP = xstrdup(val);
513 val = ZOOM_options_get(c->options, "group");
515 c->group = xstrdup(val);
519 val = ZOOM_options_get(c->options, "user");
521 c->user = xstrdup(val);
525 val = ZOOM_options_get(c->options, "password");
527 val = ZOOM_options_get(c->options, "pass");
529 c->password = xstrdup(val);
531 val = ZOOM_options_get(c->options, "authenticationMode");
532 if (val && !strcmp(val, "url"))
533 c->url_authentication = 1;
535 c->url_authentication = 0;
537 c->maximum_record_size =
538 ZOOM_options_get_int(c->options, "maximumRecordSize", 64*1024*1024);
539 c->preferred_message_size =
540 ZOOM_options_get_int(c->options, "preferredMessageSize", 64*1024*1024);
542 c->async = ZOOM_options_get_bool(c->options, "async", 0);
544 yaz_cookies_destroy(c->cookies);
545 c->cookies = yaz_cookies_create();
547 if (ZOOM_memcached_configure(c))
549 ZOOM_connection_remove_tasks(c);
552 if (c->sru_mode == zoom_sru_error)
554 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, val);
555 ZOOM_connection_remove_tasks(c);
559 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
560 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
564 while (ZOOM_event(1, &c))
569 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
573 /* remove ourselves from the resultsets in connection */
574 ZOOM_resultset *rp = &r->connection->resultsets;
577 assert(*rp); /* we must be in this list!! */
579 { /* OK, we're here - take us out of it */
590 ZOOM_connection_destroy(ZOOM_connection c)
595 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
597 ZOOM_memcached_destroy(c);
601 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);
631 yaz_cookies_destroy(c->cookies);
632 wrbuf_destroy(c->saveAPDU_wrbuf);
636 void ZOOM_resultset_addref(ZOOM_resultset r)
640 yaz_mutex_enter(r->mutex);
642 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
644 yaz_mutex_leave(r->mutex);
648 static int g_resultsets = 0;
649 static YAZ_MUTEX g_resultset_mutex = 0;
651 /* TODO We need to initialize this before running threaded:
652 * call resultset_use(0) */
654 static int resultset_use(int delta) {
656 if (g_resultset_mutex == 0)
657 yaz_mutex_create(&g_resultset_mutex);
658 yaz_mutex_enter(g_resultset_mutex);
659 g_resultsets += delta;
660 resultset_count = g_resultsets;
661 yaz_mutex_leave(g_resultset_mutex);
662 return resultset_count;
665 int resultsets_count(void) {
666 return resultset_use(0);
669 ZOOM_resultset ZOOM_resultset_create(void)
672 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
676 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
679 r->odr = odr_createmem(ODR_DECODE);
683 for (i = 0; i<RECORD_HASH_SIZE; i++)
684 r->record_hash[i] = 0;
688 r->databaseNames = 0;
689 r->num_databaseNames = 0;
692 r->num_res_facets = 0;
695 yaz_mutex_create(&r->mutex);
698 WRBUF w = wrbuf_alloc();
699 YAZ_SHPTR_INIT(r->record_wrbuf, w);
708 ZOOM_API(ZOOM_resultset)
709 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
712 ZOOM_query s = ZOOM_query_create();
714 ZOOM_query_prefix(s, q);
716 r = ZOOM_connection_search(c, s);
717 ZOOM_query_destroy(s);
721 ZOOM_API(ZOOM_resultset)
722 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
724 ZOOM_resultset r = ZOOM_resultset_create();
727 const char *syntax, *elementSetName, *schema;
728 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
729 r->r_sort_spec = ZOOM_query_get_sortspec(q);
731 ZOOM_query_addref(q);
733 r->options = ZOOM_options_create_with_parent(c->options);
735 r->req_facets = odr_strdup_null(r->odr,
736 ZOOM_options_get(r->options, "facets"));
737 start = ZOOM_options_get_int(r->options, "start", 0);
738 count = ZOOM_options_get_int(r->options, "count", 0);
740 /* If "presentChunk" is defined use that; otherwise "step" */
741 const char *cp = ZOOM_options_get(r->options, "presentChunk");
742 r->step = ZOOM_options_get_int(r->options,
743 (cp != 0 ? "presentChunk": "step"), 0);
745 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
746 r->setname = odr_strdup_null(r->odr,
747 ZOOM_options_get(r->options, "setname"));
748 r->databaseNames = ZOOM_connection_get_databases(c, c->options,
749 &r->num_databaseNames,
752 r->next = c->resultsets;
755 ZOOM_memcached_resultset(r, q);
757 if (c->host_port && c->proto == PROTO_HTTP)
761 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
762 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
766 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
771 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
772 task->u.search.resultset = r;
773 task->u.search.start = start;
774 task->u.search.count = count;
776 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
777 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
778 elementSetName = ZOOM_options_get(r->options, "elementSetName");
779 task->u.search.elementSetName = elementSetName ?
780 xstrdup(elementSetName) : 0;
781 schema = ZOOM_options_get(r->options, "schema");
782 task->u.search.schema = schema ? xstrdup(schema) : 0;
784 ZOOM_resultset_addref(r);
788 while (ZOOM_event(1, &c))
795 ZOOM_resultset_sort(ZOOM_resultset r,
796 const char *sort_type, const char *sort_spec)
798 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
802 ZOOM_resultset_sort1(ZOOM_resultset r,
803 const char *sort_type, const char *sort_spec)
805 ZOOM_connection c = r->connection;
809 newq = ZOOM_query_create();
810 if (ZOOM_query_sortby(newq, sort_spec) < 0)
813 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
814 r, r, sort_type, sort_spec);
818 if (c->host_port && c->proto == PROTO_HTTP)
822 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
823 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
827 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
833 ZOOM_resultset_cache_reset(r);
834 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
835 task->u.sort.resultset = r;
836 task->u.sort.q = newq;
838 ZOOM_resultset_addref(r);
842 while (ZOOM_event(1, &c))
850 ZOOM_resultset_destroy(ZOOM_resultset r)
852 resultset_destroy(r);
855 static void resultset_destroy(ZOOM_resultset r)
859 yaz_mutex_enter(r->mutex);
861 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
863 if (r->refcount == 0)
865 yaz_mutex_leave(r->mutex);
867 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
868 ZOOM_resultset_cache_reset(r);
869 ZOOM_resultset_release(r);
870 ZOOM_query_destroy(r->query);
871 ZOOM_options_destroy(r->options);
873 yaz_mutex_destroy(&r->mutex);
875 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
877 wrbuf_destroy(r->mc_key);
882 yaz_mutex_leave(r->mutex);
886 ZOOM_resultset_size(ZOOM_resultset r)
891 int ZOOM_test_reconnect(ZOOM_connection c)
895 if (!c->reconnect_ok)
897 ZOOM_connection_close(c);
899 c->tasks->running = 0;
900 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
902 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
903 ZOOM_connection_put_event(c, event);
908 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
909 int force_sync, int start, int count)
914 const char *syntax, *elementSetName;
918 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
919 " count=%d", r, force_sync, start, count);
924 if (c->host_port && c->proto == PROTO_HTTP)
928 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
929 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
933 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
938 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
939 task->u.search.resultset = r;
940 task->u.search.start = start;
941 task->u.search.count = count;
943 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
944 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
945 elementSetName = ZOOM_options_get(r->options, "elementSetName");
946 task->u.search.elementSetName = elementSetName
947 ? xstrdup(elementSetName) : 0;
949 cp = ZOOM_options_get(r->options, "schema");
950 task->u.search.schema = cp ? xstrdup(cp) : 0;
952 ZOOM_resultset_addref(r);
954 if (!r->connection->async || force_sync)
955 while (r->connection && ZOOM_event(1, &r->connection))
960 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
961 size_t start, size_t count)
963 int force_present = 0;
967 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
968 r, r, (long) start, (long) count);
971 ZOOM_resultset_retrieve(r, force_present, start, count);
975 for (i = 0; i< count; i++)
976 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
981 ZOOM_resultset_facets_size(ZOOM_resultset r)
983 return r->num_res_facets;
986 ZOOM_API(ZOOM_facet_field)
987 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name)
989 int num = r->num_res_facets;
990 ZOOM_facet_field *facets = r->res_facets;
992 for (i = 0; i < num; i++)
993 if (!strcmp(facets[i]->facet_name, name))
998 ZOOM_API(ZOOM_facet_field)
999 ZOOM_resultset_get_facet_field_by_index(ZOOM_resultset r, int idx)
1001 int num = r->num_res_facets;
1002 ZOOM_facet_field *facets = r->res_facets;
1003 if (idx >= 0 && idx < num)
1008 ZOOM_API(ZOOM_facet_field *)
1009 ZOOM_resultset_facets(ZOOM_resultset r)
1011 return r->res_facets;
1014 ZOOM_API(const char**)
1015 ZOOM_resultset_facets_names(ZOOM_resultset r)
1017 return (const char **) r->facets_names;
1020 ZOOM_API(const char*)
1021 ZOOM_facet_field_name(ZOOM_facet_field field)
1023 return field->facet_name;
1027 ZOOM_facet_field_term_count(ZOOM_facet_field field)
1029 return field->num_terms;
1032 ZOOM_API(const char*)
1033 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq)
1035 *freq = field->facet_terms[idx].frequency;
1036 return field->facet_terms[idx].term;
1040 static void get_cert(ZOOM_connection c)
1045 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
1047 ZOOM_connection_option_setl(c, "sslPeerCert",
1048 cert_buf, cert_len);
1053 static zoom_ret do_connect_host(ZOOM_connection c,
1054 const char *logical_url);
1056 static zoom_ret do_connect(ZOOM_connection c)
1058 return do_connect_host(c, c->host_port);
1061 static zoom_ret do_connect_host(ZOOM_connection c, const char *logical_url)
1067 c->cs = cs_create_host_proxy(logical_url, CS_FLAGS_DNS_NO_BLOCK, &add,
1068 c->tproxy ? c->tproxy : c->proxy);
1070 if (c->cs && c->cs->protocol == PROTO_HTTP)
1073 c->proto = PROTO_HTTP;
1075 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1076 ZOOM_connection_close(c);
1077 return zoom_complete;
1082 int ret = cs_connect(c->cs, add);
1085 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1086 ZOOM_connection_put_event(c, event);
1088 if (c->proto == PROTO_Z3950)
1089 ZOOM_connection_Z3950_send_init(c);
1092 /* no init request for SRW .. */
1093 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1094 ZOOM_connection_remove_task(c);
1095 ZOOM_connection_set_mask(c, 0);
1096 ZOOM_connection_exec_task(c);
1098 c->state = STATE_ESTABLISHED;
1099 return zoom_pending;
1103 int mask = ZOOM_SELECT_EXCEPT;
1104 if (c->cs->io_pending & CS_WANT_WRITE)
1105 mask += ZOOM_SELECT_WRITE;
1106 if (c->cs->io_pending & CS_WANT_READ)
1107 mask += ZOOM_SELECT_READ;
1108 ZOOM_connection_set_mask(c, mask);
1109 c->state = STATE_CONNECTING;
1110 return zoom_pending;
1113 c->state = STATE_IDLE;
1114 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1115 return zoom_complete;
1118 /* returns 1 if PDU was sent OK (still pending )
1119 0 if PDU was not sent OK (nothing to wait for)
1122 ZOOM_API(ZOOM_record)
1123 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1125 const char *syntax =
1126 ZOOM_options_get(s->options, "preferredRecordSyntax");
1127 const char *elementSetName =
1128 ZOOM_options_get(s->options, "elementSetName");
1129 const char *schema =
1130 ZOOM_options_get(s->options, "schema");
1132 return ZOOM_record_cache_lookup_i(s, pos, syntax, elementSetName, schema);
1135 ZOOM_API(ZOOM_record)
1136 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1138 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1143 * MIKE: I think force_sync should always be zero, but I don't
1144 * want to make this change until I get the go-ahead from
1145 * Adam, in case something depends on the old synchronous
1149 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1150 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1151 rec = ZOOM_resultset_record_immediate(r, pos);
1156 ZOOM_API(ZOOM_scanset)
1157 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1160 ZOOM_query q = ZOOM_query_create();
1162 ZOOM_query_prefix(q, start);
1164 s = ZOOM_connection_scan1(c, q);
1165 ZOOM_query_destroy(q);
1170 ZOOM_API(ZOOM_scanset)
1171 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1173 ZOOM_scanset scan = 0;
1174 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1178 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1179 scan->connection = c;
1180 scan->odr = odr_createmem(ODR_DECODE);
1181 scan->options = ZOOM_options_create_with_parent(c->options);
1183 scan->scan_response = 0;
1184 scan->srw_scan_response = 0;
1187 ZOOM_query_addref(q);
1188 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1189 &scan->num_databaseNames,
1194 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1195 task->u.scan.scan = scan;
1200 while (ZOOM_event(1, &c))
1208 ZOOM_scanset_destroy(ZOOM_scanset scan)
1213 if (scan->refcount == 0)
1215 ZOOM_query_destroy(scan->query);
1217 odr_destroy(scan->odr);
1219 ZOOM_options_destroy(scan->options);
1224 static zoom_ret send_package(ZOOM_connection c)
1228 yaz_log(c->log_details, "%p send_package", c);
1230 return zoom_complete;
1231 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1233 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1234 ZOOM_connection_put_event(c, event);
1236 c->buf_out = c->tasks->u.package->buf_out;
1237 c->len_out = c->tasks->u.package->len_out;
1239 return ZOOM_send_buf(c);
1243 ZOOM_scanset_size(ZOOM_scanset scan)
1248 if (scan->scan_response && scan->scan_response->entries)
1249 return scan->scan_response->entries->num_entries;
1250 else if (scan->srw_scan_response)
1251 return scan->srw_scan_response->num_terms;
1255 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1257 const char **value_term, size_t *value_len,
1258 const char **disp_term, size_t *disp_len)
1260 size_t noent = ZOOM_scanset_size(scan);
1271 if (scan->scan_response)
1273 Z_ScanResponse *res = scan->scan_response;
1274 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1276 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1278 *value_term = (const char *) t->term->u.general->buf;
1279 *value_len = t->term->u.general->len;
1282 *disp_term = t->displayTerm;
1283 *disp_len = strlen(*disp_term);
1285 else if (t->term->which == Z_Term_general)
1287 *disp_term = (const char *) t->term->u.general->buf;
1288 *disp_len = t->term->u.general->len;
1290 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1293 if (scan->srw_scan_response)
1295 Z_SRW_scanResponse *res = scan->srw_scan_response;
1296 Z_SRW_scanTerm *t = res->terms + pos;
1299 *value_term = t->value;
1300 *value_len = strlen(*value_term);
1303 *disp_term = t->displayTerm;
1305 *disp_term = t->value;
1306 *disp_len = strlen(*disp_term);
1307 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1312 ZOOM_API(const char *)
1313 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1314 size_t *occ, size_t *len)
1316 const char *value_term = 0;
1317 size_t value_len = 0;
1318 const char *disp_term = 0;
1319 size_t disp_len = 0;
1321 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1322 &disp_term, &disp_len);
1328 ZOOM_API(const char *)
1329 ZOOM_scanset_display_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_option_get(ZOOM_scanset scan, const char *key)
1347 return ZOOM_options_get(scan->options, key);
1351 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1354 ZOOM_options_set(scan->options, key, val);
1358 ZOOM_API(ZOOM_package)
1359 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1361 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1364 p->odr_out = odr_createmem(ODR_ENCODE);
1365 p->options = ZOOM_options_create_with_parent2(options, c->options);
1373 ZOOM_package_destroy(ZOOM_package p)
1378 if (p->refcount == 0)
1380 odr_destroy(p->odr_out);
1383 ZOOM_options_destroy(p->options);
1388 ZOOM_API(const char *)
1389 ZOOM_package_option_get(ZOOM_package p, const char *key)
1391 return ZOOM_options_get(p->options, key);
1394 ZOOM_API(const char *)
1395 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1397 return ZOOM_options_getl(p->options, key, lenp);
1401 ZOOM_package_option_set(ZOOM_package p, const char *key,
1404 ZOOM_options_set(p->options, key, val);
1408 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1409 const char *val, int len)
1411 ZOOM_options_setl(p->options, key, val, len);
1415 ZOOM_connection_exec_task(ZOOM_connection c)
1417 ZOOM_task task = c->tasks;
1418 zoom_ret ret = zoom_complete;
1422 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1423 c, task->which, task->running);
1424 if (c->error != ZOOM_ERROR_NONE)
1426 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1427 "removing tasks because of error = %d", c, c->error);
1428 ZOOM_connection_remove_tasks(c);
1433 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1434 "task already running", c);
1438 ret = zoom_complete;
1439 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1441 switch (task->which)
1443 case ZOOM_TASK_SEARCH:
1444 if (c->proto == PROTO_HTTP)
1445 ret = ZOOM_connection_srw_send_search(c);
1447 ret = ZOOM_connection_Z3950_search(c);
1449 case ZOOM_TASK_CONNECT:
1450 ret = do_connect(c);
1452 case ZOOM_TASK_SCAN:
1453 if (c->proto == PROTO_HTTP)
1454 ret = ZOOM_connection_srw_send_scan(c);
1456 ret = ZOOM_connection_Z3950_send_scan(c);
1458 case ZOOM_TASK_PACKAGE:
1459 ret = send_package(c);
1461 case ZOOM_TASK_SORT:
1462 c->tasks->u.sort.resultset->r_sort_spec =
1463 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1464 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1470 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1471 "remove tasks because no connection exist", c);
1472 ZOOM_connection_remove_tasks(c);
1474 if (ret == zoom_complete)
1476 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1477 "task removed (complete)", c);
1478 ZOOM_connection_remove_task(c);
1481 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1488 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri)
1490 Z_GDU *gdu = z_get_HTTP_Request_uri(c->odr_out, uri, 0, c->proxy ? 1 : 0);
1492 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1493 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1495 yaz_cookies_request(c->cookies, c->odr_out, gdu->u.HTTP_Request);
1496 if (c->user && c->password)
1498 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1499 c->user, c->password);
1501 return ZOOM_send_GDU(c, gdu);
1504 zoom_ret ZOOM_send_GDU(ZOOM_connection c, Z_GDU *gdu)
1508 int r = z_GDU(c->odr_out, &gdu, 0, 0);
1510 return zoom_complete;
1512 z_GDU(c->odr_print, &gdu, 0, 0);
1514 z_GDU(c->odr_save, &gdu, 0, 0);
1515 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1516 odr_reset(c->odr_out);
1518 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1519 ZOOM_connection_put_event(c, event);
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 yaz_cookies_response(c->cookies, hres);
1546 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1547 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1550 if (c->no_redirects > 10)
1552 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1553 c->no_redirects = 0;
1554 ZOOM_connection_close(c);
1558 /* since redirect may change host we just reconnect. A smarter
1559 implementation might check whether it's the same server */
1561 int host_change = 0;
1562 location = yaz_check_location(c->odr_in, c->host_port,
1563 location, &host_change);
1564 if (do_connect_host(c, location) == zoom_complete)
1565 return; /* connect failed.. */
1566 cs_rcvconnect(c->cs);
1567 send_HTTP_redirect(c, location);
1573 ret = ZOOM_handle_sru(c, hres, &cret, &addinfo);
1576 if (c->no_redirects) /* end of redirect. change hosts again */
1577 ZOOM_connection_close(c);
1579 c->no_redirects = 0;
1583 if (hres->code != 200)
1584 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1587 yaz_log(YLOG_LOG, "set error... addinfo=%s", addinfo ?
1589 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1591 ZOOM_connection_close(c);
1593 if (cret == zoom_complete)
1595 yaz_log(c->log_details, "removing tasks in handle_http");
1596 ZOOM_connection_remove_task(c);
1600 if (!strcmp(hres->version, "1.0"))
1602 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1603 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1608 /* HTTP 1.1: only if no close we stay alive.. */
1609 if (connection_head && !strcmp(connection_head, "close"))
1614 ZOOM_connection_close(c);
1617 c->tasks->running = 0;
1618 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1619 c->reconnect_ok = 0;
1623 c->reconnect_ok = 1; /* if the server closes anyway */
1628 static int do_read(ZOOM_connection c)
1633 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1634 ZOOM_connection_put_event(c, event);
1636 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1637 more = cs_more(c->cs);
1638 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1643 if (!ZOOM_test_reconnect(c))
1645 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1646 ZOOM_connection_close(c);
1654 odr_reset(c->odr_in);
1655 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1656 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1657 ZOOM_connection_put_event(c, event);
1659 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1662 int err = odr_geterrorx(c->odr_in, &x);
1664 const char *element = odr_getelement(c->odr_in);
1665 yaz_snprintf(msg, sizeof(msg),
1666 "ODR code %d:%d element=%s offset=%d",
1667 err, x, element ? element : "<unknown>",
1668 odr_offset(c->odr_in));
1669 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1672 FILE *ber_file = yaz_log_file();
1674 odr_dumpBER(ber_file, c->buf_in, r);
1676 ZOOM_connection_close(c);
1681 z_GDU(c->odr_print, &gdu, 0, 0);
1683 z_GDU(c->odr_save, &gdu, 0, 0);
1684 if (gdu->which == Z_GDU_Z3950)
1685 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1686 else if (gdu->which == Z_GDU_HTTP_Response)
1689 handle_http(c, gdu->u.HTTP_Response);
1691 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1692 ZOOM_connection_close(c);
1700 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1705 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1706 ZOOM_connection_put_event(c, event);
1708 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1709 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1711 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1712 if (ZOOM_test_reconnect(c))
1714 return zoom_pending;
1716 if (c->state == STATE_CONNECTING)
1717 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1719 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1720 ZOOM_connection_close(c);
1721 return zoom_complete;
1725 int mask = ZOOM_SELECT_EXCEPT;
1726 if (c->cs->io_pending & CS_WANT_WRITE)
1727 mask += ZOOM_SELECT_WRITE;
1728 if (c->cs->io_pending & CS_WANT_READ)
1729 mask += ZOOM_SELECT_READ;
1730 ZOOM_connection_set_mask(c, mask);
1731 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1736 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1737 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1740 return zoom_pending;
1743 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1745 return do_write_ex(c, c->buf_out, c->len_out);
1749 ZOOM_API(const char *)
1750 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1752 if (!strcmp(key, "APDU"))
1754 return c->saveAPDU_wrbuf ? wrbuf_cstr(c->saveAPDU_wrbuf) : "";
1757 return ZOOM_options_get(c->options, key);
1760 ZOOM_API(const char *)
1761 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1763 if (!strcmp(key, "APDU"))
1765 if (c->saveAPDU_wrbuf)
1767 *lenp = wrbuf_len(c->saveAPDU_wrbuf);
1768 return wrbuf_cstr(c->saveAPDU_wrbuf);
1777 return ZOOM_options_getl(c->options, key, lenp);
1781 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1784 if (!strcmp(key, "saveAPDU"))
1786 if (val && strcmp(val, "0"))
1788 if (!c->saveAPDU_wrbuf)
1789 c->saveAPDU_wrbuf = wrbuf_alloc();
1791 wrbuf_rewind(c->saveAPDU_wrbuf);
1795 wrbuf_destroy(c->saveAPDU_wrbuf);
1796 c->saveAPDU_wrbuf = 0;
1798 ZOOM_connection_save_apdu_wrbuf(c, c->saveAPDU_wrbuf);
1801 ZOOM_options_set(c->options, key, val);
1805 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1806 const char *val, int len)
1808 ZOOM_options_setl(c->options, key, val, len);
1811 ZOOM_API(const char *)
1812 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1814 return ZOOM_options_get(r->options, key);
1818 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1821 ZOOM_options_set(r->options, key, val);
1826 ZOOM_connection_errcode(ZOOM_connection c)
1828 return ZOOM_connection_error(c, 0, 0);
1831 ZOOM_API(const char *)
1832 ZOOM_connection_errmsg(ZOOM_connection c)
1835 ZOOM_connection_error(c, &msg, 0);
1839 ZOOM_API(const char *)
1840 ZOOM_connection_addinfo(ZOOM_connection c)
1842 const char *addinfo;
1843 ZOOM_connection_error(c, 0, &addinfo);
1847 ZOOM_API(const char *)
1848 ZOOM_connection_diagset(ZOOM_connection c)
1850 const char *diagset;
1851 ZOOM_connection_error_x(c, 0, 0, &diagset);
1855 ZOOM_API(const char *)
1856 ZOOM_diag_str(int error)
1860 case ZOOM_ERROR_NONE:
1862 case ZOOM_ERROR_CONNECT:
1863 return "Connect failed";
1864 case ZOOM_ERROR_MEMORY:
1865 return "Out of memory";
1866 case ZOOM_ERROR_ENCODE:
1867 return "Encoding failed";
1868 case ZOOM_ERROR_DECODE:
1869 return "Decoding failed";
1870 case ZOOM_ERROR_CONNECTION_LOST:
1871 return "Connection lost";
1872 case ZOOM_ERROR_INIT:
1873 return "Init rejected";
1874 case ZOOM_ERROR_INTERNAL:
1875 return "Internal failure";
1876 case ZOOM_ERROR_TIMEOUT:
1878 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1879 return "Unsupported protocol";
1880 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1881 return "Unsupported query type";
1882 case ZOOM_ERROR_INVALID_QUERY:
1883 return "Invalid query";
1884 case ZOOM_ERROR_CQL_PARSE:
1885 return "CQL parsing error";
1886 case ZOOM_ERROR_CQL_TRANSFORM:
1887 return "CQL transformation error";
1888 case ZOOM_ERROR_CCL_CONFIG:
1889 return "CCL configuration error";
1890 case ZOOM_ERROR_CCL_PARSE:
1891 return "CCL parsing error";
1892 case ZOOM_ERROR_ES_INVALID_ACTION:
1893 return "Extended Service. invalid action";
1894 case ZOOM_ERROR_ES_INVALID_VERSION:
1895 return "Extended Service. invalid version";
1896 case ZOOM_ERROR_ES_INVALID_SYNTAX:
1897 return "Extended Service. invalid syntax";
1898 case ZOOM_ERROR_MEMCACHED:
1901 return diagbib1_str(error);
1906 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1907 const char **addinfo, const char **diagset)
1909 int error = c->error;
1912 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1913 *cp = ZOOM_diag_str(error);
1914 else if (!strcmp(c->diagset, "HTTP"))
1915 *cp = z_HTTP_errmsg(c->error);
1916 else if (!strcmp(c->diagset, "Bib-1"))
1917 *cp = ZOOM_diag_str(error);
1918 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1919 *cp = yaz_diag_srw_str(c->error);
1921 *cp = "Unknown error and diagnostic set";
1924 *addinfo = c->addinfo ? c->addinfo : "";
1926 *diagset = c->diagset ? c->diagset : "";
1931 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1932 const char **addinfo)
1934 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1937 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1939 ZOOM_Event event = 0;
1940 int r = cs_look(c->cs);
1941 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1946 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1947 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1948 ZOOM_connection_close(c);
1949 ZOOM_connection_put_event(c, event);
1951 else if (r == CS_CONNECT)
1953 int ret = ret = cs_rcvconnect(c->cs);
1954 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1955 "cs_rcvconnect returned %d", c, ret);
1958 int mask = ZOOM_SELECT_EXCEPT;
1959 if (c->cs->io_pending & CS_WANT_WRITE)
1960 mask += ZOOM_SELECT_WRITE;
1961 if (c->cs->io_pending & CS_WANT_READ)
1962 mask += ZOOM_SELECT_READ;
1963 ZOOM_connection_set_mask(c, mask);
1964 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1965 ZOOM_connection_put_event(c, event);
1969 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1970 ZOOM_connection_put_event(c, event);
1972 if (c->proto == PROTO_Z3950)
1973 ZOOM_connection_Z3950_send_init(c);
1976 /* no init request for SRW .. */
1977 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1978 ZOOM_connection_remove_task(c);
1979 ZOOM_connection_set_mask(c, 0);
1980 ZOOM_connection_exec_task(c);
1982 c->state = STATE_ESTABLISHED;
1986 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1987 ZOOM_connection_close(c);
1992 if (mask & ZOOM_SELECT_EXCEPT)
1994 if (!ZOOM_test_reconnect(c))
1996 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1997 ZOOM_connection_close(c);
2001 if (mask & ZOOM_SELECT_READ)
2003 if (c->cs && (mask & ZOOM_SELECT_WRITE))
2009 ZOOM_connection_last_event(ZOOM_connection cs)
2012 return ZOOM_EVENT_NONE;
2013 return cs->last_event;
2017 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
2021 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2022 /* timeout and this connection was waiting */
2023 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
2024 ZOOM_connection_close(c);
2025 ZOOM_connection_put_event(c, event);
2031 ZOOM_connection_process(ZOOM_connection c)
2037 event = ZOOM_connection_get_event(c);
2040 ZOOM_Event_destroy(event);
2043 ZOOM_connection_exec_task(c);
2044 event = ZOOM_connection_get_event(c);
2047 ZOOM_Event_destroy(event);
2054 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2058 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2060 for (i = 0; i<no; i++)
2062 ZOOM_connection c = cs[i];
2064 if (c && ZOOM_connection_process(c))
2070 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2072 if (c->mask && mask)
2073 ZOOM_connection_do_io(c, mask);
2077 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2080 return cs_fileno(c->cs);
2084 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2092 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2099 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2101 return ZOOM_options_get_int(c->options, "timeout", 30);
2104 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2109 ZOOM_connection_set_mask(c, 0);
2110 c->state = STATE_IDLE;
2116 * c-file-style: "Stroustrup"
2117 * indent-tabs-mode: nil
2119 * vim: shiftwidth=4 tabstop=8 expandtab