1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2010 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;
43 if (!log_level_initialized)
45 log_api0 = yaz_log_module_level("zoom");
46 log_details0 = yaz_log_module_level("zoomdetails");
47 log_level_initialized = 1;
51 void ZOOM_connection_remove_tasks(ZOOM_connection c);
53 void ZOOM_set_dset_error(ZOOM_connection c, int error,
55 const char *addinfo, const char *addinfo2)
62 if (!c->diagset || strcmp(dset, c->diagset))
65 c->diagset = xstrdup(dset);
66 /* remove integer part from SRW diagset .. */
67 if ((cp = strrchr(c->diagset, '/')))
70 if (addinfo && addinfo2)
72 c->addinfo = (char*) xmalloc(strlen(addinfo) + strlen(addinfo2) + 2);
73 strcpy(c->addinfo, addinfo);
74 strcat(c->addinfo, addinfo2);
77 c->addinfo = xstrdup(addinfo);
78 if (error != ZOOM_ERROR_NONE)
80 yaz_log(c->log_api, "%p set_dset_error %s %s:%d %s %s",
81 c, c->host_port ? c->host_port : "<>", dset, error,
82 addinfo ? addinfo : "",
83 addinfo2 ? addinfo2 : "");
84 ZOOM_connection_remove_tasks(c);
88 int ZOOM_uri_to_code(const char *uri)
92 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_RETRIEVE:
138 yaz_log(YLOG_LOG, "retrieve p=%p", task);
140 case ZOOM_TASK_CONNECT:
141 yaz_log(YLOG_LOG, "connect p=%p", task);
144 yaz_log(YLOG_LOG, "scan p=%p", task);
149 void ZOOM_connection_show_tasks(ZOOM_connection c)
152 yaz_log(YLOG_LOG, "connection p=%p tasks", c);
153 for (task = c->tasks; task; task = task->next)
154 ZOOM_connection_show_task(task);
157 ZOOM_task ZOOM_connection_add_task(ZOOM_connection c, int which)
159 ZOOM_task *taskp = &c->tasks;
161 taskp = &(*taskp)->next;
162 *taskp = (ZOOM_task) xmalloc(sizeof(**taskp));
163 (*taskp)->running = 0;
164 (*taskp)->which = which;
170 ZOOM_API(int) ZOOM_connection_is_idle(ZOOM_connection c)
172 return c->tasks ? 0 : 1;
175 ZOOM_task ZOOM_connection_insert_task(ZOOM_connection c, int which)
177 ZOOM_task task = (ZOOM_task) xmalloc(sizeof(*task));
179 task->next = c->tasks;
187 void ZOOM_connection_remove_task(ZOOM_connection c)
189 ZOOM_task task = c->tasks;
193 c->tasks = task->next;
196 case ZOOM_TASK_SEARCH:
197 resultset_destroy(task->u.search.resultset);
198 xfree(task->u.search.syntax);
199 xfree(task->u.search.elementSetName);
201 case ZOOM_TASK_RETRIEVE:
202 resultset_destroy(task->u.retrieve.resultset);
203 xfree(task->u.retrieve.syntax);
204 xfree(task->u.retrieve.elementSetName);
206 case ZOOM_TASK_CONNECT:
209 ZOOM_scanset_destroy(task->u.scan.scan);
211 case ZOOM_TASK_PACKAGE:
212 ZOOM_package_destroy(task->u.package);
215 resultset_destroy(task->u.sort.resultset);
216 ZOOM_query_destroy(task->u.sort.q);
225 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_END);
226 ZOOM_connection_put_event(c, event);
231 void ZOOM_connection_remove_tasks(ZOOM_connection c)
234 ZOOM_connection_remove_task(c);
238 ZOOM_API(ZOOM_connection)
239 ZOOM_connection_create(ZOOM_options options)
241 ZOOM_connection c = (ZOOM_connection) xmalloc(sizeof(*c));
245 c->log_api = log_api0;
246 c->log_details = log_details0;
248 yaz_log(c->log_api, "%p ZOOM_connection_create", c);
250 c->proto = PROTO_Z3950;
252 ZOOM_connection_set_mask(c, 0);
254 c->state = STATE_IDLE;
257 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
264 c->options = ZOOM_options_create_with_parent(options);
270 c->charset = c->lang = 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);
289 c->support_named_resultsets = 0;
290 c->last_event = ZOOM_EVENT_NONE;
292 c->m_queue_front = 0;
301 /* set database names. Take local databases (if set); otherwise
302 take databases given in ZURL (if set); otherwise use Default */
303 char **ZOOM_connection_get_databases(ZOOM_connection con, ZOOM_options options,
306 char **databaseNames;
307 const char *cp = ZOOM_options_get(options, "databaseName");
309 if ((!cp || !*cp) && con->host_port)
311 if (strncmp(con->host_port, "unix:", 5) == 0)
312 cp = strchr(con->host_port+5, ':');
314 cp = strchr(con->host_port, '/');
320 nmem_strsplit(odr_getmem(odr), "+", cp, &databaseNames, num);
321 return databaseNames;
324 ZOOM_API(ZOOM_connection)
325 ZOOM_connection_new(const char *host, int portnum)
327 ZOOM_connection c = ZOOM_connection_create(0);
329 ZOOM_connection_connect(c, host, portnum);
333 static zoom_sru_mode get_sru_mode_from_string(const char *s)
336 return zoom_sru_soap;
337 if (!yaz_matchstr(s, "soap"))
338 return zoom_sru_soap;
339 else if (!yaz_matchstr(s, "get"))
341 else if (!yaz_matchstr(s, "post"))
342 return zoom_sru_post;
343 else if (!yaz_matchstr(s, "solr"))
344 return zoom_sru_solr;
345 return zoom_sru_error;
349 ZOOM_connection_connect(ZOOM_connection c,
350 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);
510 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
512 task = ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
516 while (ZOOM_event(1, &c))
521 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
523 #if ZOOM_RESULT_LISTS
527 /* remove ourselves from the resultsets in connection */
528 ZOOM_resultset *rp = &r->connection->resultsets;
531 assert(*rp); /* we must be in this list!! */
533 { /* OK, we're here - take us out of it */
545 ZOOM_connection_destroy(ZOOM_connection c)
547 #if ZOOM_RESULT_LISTS
548 ZOOM_resultsets list;
554 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
558 #if ZOOM_RESULT_LISTS
559 // Remove the connection's usage of resultsets
560 list = c->resultsets;
562 ZOOM_resultsets removed = list;
563 ZOOM_resultset_destroy(list->resultset);
568 for (r = c->resultsets; r; r = r->next)
575 odr_destroy(c->odr_in);
576 odr_destroy(c->odr_out);
579 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
580 odr_destroy(c->odr_print);
582 ZOOM_options_destroy(c->options);
583 ZOOM_connection_remove_tasks(c);
584 ZOOM_connection_remove_events(c);
590 xfree(c->cookie_out);
596 xfree(c->sru_version);
600 void ZOOM_resultset_addref(ZOOM_resultset r)
604 yaz_mutex_enter(r->mutex);
606 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
608 yaz_mutex_leave(r->mutex);
612 ZOOM_resultset ZOOM_resultset_create(void)
615 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
619 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
622 r->odr = odr_createmem(ODR_ENCODE);
627 for (i = 0; i<RECORD_HASH_SIZE; i++)
628 r->record_hash[i] = 0;
632 r->databaseNames = 0;
633 r->num_databaseNames = 0;
638 yaz_mutex_create(&r->mutex);
641 WRBUF w = wrbuf_alloc();
642 YAZ_SHPTR_INIT(r->record_wrbuf, w);
648 ZOOM_API(ZOOM_resultset)
649 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
652 ZOOM_query s = ZOOM_query_create();
654 ZOOM_query_prefix(s, q);
656 r = ZOOM_connection_search(c, s);
657 ZOOM_query_destroy(s);
661 ZOOM_API(ZOOM_resultset)
662 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
664 ZOOM_resultset r = ZOOM_resultset_create();
668 const char *syntax, *elementSetName;
669 #if ZOOM_RESULT_LISTS
673 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
674 r->r_sort_spec = ZOOM_query_get_sortspec(q);
677 r->options = ZOOM_options_create_with_parent(c->options);
679 start = ZOOM_options_get_int(r->options, "start", 0);
680 count = ZOOM_options_get_int(r->options, "count", 0);
682 /* If "presentChunk" is defined use that; otherwise "step" */
683 const char *cp = ZOOM_options_get(r->options, "presentChunk");
684 r->step = ZOOM_options_get_int(r->options,
685 (cp != 0 ? "presentChunk": "step"), 0);
687 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
688 cp = ZOOM_options_get(r->options, "setname");
690 r->setname = xstrdup(cp);
691 cp = ZOOM_options_get(r->options, "schema");
693 r->schema = xstrdup(cp);
695 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
700 #if ZOOM_RESULT_LISTS
701 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
702 set = xmalloc(sizeof(*set));
703 ZOOM_resultset_addref(r);
705 set->next = c->resultsets;
708 r->next = c->resultsets;
711 if (c->host_port && c->proto == PROTO_HTTP)
715 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
716 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
720 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
725 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
726 task->u.search.resultset = r;
727 task->u.search.start = start;
728 task->u.search.count = count;
729 task->u.search.recv_search_fired = 0;
731 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
732 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
733 elementSetName = ZOOM_options_get(r->options, "elementSetName");
734 task->u.search.elementSetName = elementSetName
735 ? xstrdup(elementSetName) : 0;
737 ZOOM_resultset_addref(r);
739 ZOOM_query_addref(q);
743 while (ZOOM_event(1, &c))
750 ZOOM_resultset_sort(ZOOM_resultset r,
751 const char *sort_type, const char *sort_spec)
753 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
757 ZOOM_resultset_sort1(ZOOM_resultset r,
758 const char *sort_type, const char *sort_spec)
760 ZOOM_connection c = r->connection;
764 newq = ZOOM_query_create();
765 if (ZOOM_query_sortby(newq, sort_spec) < 0)
768 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
769 r, r, sort_type, sort_spec);
773 if (c->host_port && c->proto == PROTO_HTTP)
777 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
778 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
782 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
788 ZOOM_resultset_cache_reset(r);
789 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
790 task->u.sort.resultset = r;
791 task->u.sort.q = newq;
793 ZOOM_resultset_addref(r);
797 while (ZOOM_event(1, &c))
805 ZOOM_resultset_destroy(ZOOM_resultset r)
807 resultset_destroy(r);
810 static void resultset_destroy(ZOOM_resultset r)
814 yaz_mutex_enter(r->mutex);
816 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
818 if (r->refcount == 0)
820 yaz_mutex_leave(r->mutex);
822 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
823 ZOOM_resultset_cache_reset(r);
824 ZOOM_resultset_release(r);
825 ZOOM_query_destroy(r->query);
826 ZOOM_options_destroy(r->options);
830 yaz_mutex_destroy(&r->mutex);
832 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
837 yaz_mutex_leave(r->mutex);
841 ZOOM_resultset_size(ZOOM_resultset r)
846 int ZOOM_test_reconnect(ZOOM_connection c)
850 if (!c->reconnect_ok)
852 ZOOM_connection_close(c);
854 c->tasks->running = 0;
855 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
857 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
858 ZOOM_connection_put_event(c, event);
863 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
864 int force_sync, int start, int count)
869 const char *syntax, *elementSetName;
873 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
874 " count=%d", r, force_sync, start, count);
879 if (c->host_port && c->proto == PROTO_HTTP)
883 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
884 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
888 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
893 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
894 task->u.retrieve.resultset = r;
895 task->u.retrieve.start = start;
896 task->u.retrieve.count = count;
898 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
899 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
900 elementSetName = ZOOM_options_get(r->options, "elementSetName");
901 task->u.retrieve.elementSetName = elementSetName
902 ? xstrdup(elementSetName) : 0;
904 cp = ZOOM_options_get(r->options, "schema");
907 if (!r->schema || strcmp(r->schema, cp))
910 r->schema = xstrdup(cp);
914 ZOOM_resultset_addref(r);
916 if (!r->connection->async || force_sync)
917 while (r->connection && ZOOM_event(1, &r->connection))
922 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
923 size_t start, size_t count)
925 int force_present = 0;
929 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
930 r, r, (long) start, (long) count);
933 ZOOM_resultset_retrieve(r, force_present, start, count);
937 for (i = 0; i< count; i++)
938 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
943 ZOOM_resultset_facets_size(ZOOM_resultset r) {
944 return r->num_facets;
947 ZOOM_API(ZOOM_facet_field)
948 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
949 int num = r->num_facets;
950 ZOOM_facet_field *facets = r->facets;
952 for (index = 0; index < num; index++) {
953 if (!strcmp(facets[index]->facet_name, name)) {
954 return facets[index];
961 ZOOM_API(ZOOM_facet_field *)
962 ZOOM_resultset_facets(ZOOM_resultset r)
967 ZOOM_API(const char**)
968 ZOOM_resultset_facet_names(ZOOM_resultset r)
970 return (const char **) r->facets_names;
973 ZOOM_API(const char*)
974 ZOOM_facet_field_name(ZOOM_facet_field field)
976 return field->facet_name;
980 ZOOM_facet_field_term_count(ZOOM_facet_field field)
982 return field->num_terms;
985 ZOOM_API(const char*)
986 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
987 *freq = field->facet_terms[idx].frequency;
988 return field->facet_terms[idx].term;
992 static void get_cert(ZOOM_connection c)
997 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
999 ZOOM_connection_option_setl(c, "sslPeerCert",
1000 cert_buf, cert_len);
1005 static zoom_ret do_connect_host(ZOOM_connection c,
1006 const char *effective_host,
1007 const char *logical_url);
1009 static zoom_ret do_connect(ZOOM_connection c)
1011 const char *effective_host;
1014 effective_host = c->proxy;
1016 effective_host = c->host_port;
1017 return do_connect_host(c, effective_host, c->host_port);
1020 static zoom_ret do_connect_host(ZOOM_connection c, const char *effective_host,
1021 const char *logical_url)
1025 yaz_log(c->log_details, "%p do_connect effective_host=%s", c, effective_host);
1029 c->cs = cs_create_host(effective_host, 0, &add);
1031 if (c->cs && c->cs->protocol == PROTO_HTTP)
1038 c->proto = PROTO_HTTP;
1039 cs_get_host_args(logical_url, &db);
1042 c->path = xmalloc(strlen(db) * 3 + 2);
1043 yaz_encode_sru_dbpath_buf(c->path, db);
1046 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1047 ZOOM_connection_close(c);
1048 return zoom_complete;
1053 int ret = cs_connect(c->cs, add);
1056 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1057 ZOOM_connection_put_event(c, event);
1059 if (c->proto == PROTO_Z3950)
1060 ZOOM_connection_Z3950_send_init(c);
1063 /* no init request for SRW .. */
1064 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1065 ZOOM_connection_remove_task(c);
1066 ZOOM_connection_set_mask(c, 0);
1067 ZOOM_connection_exec_task(c);
1069 c->state = STATE_ESTABLISHED;
1070 return zoom_pending;
1074 int mask = ZOOM_SELECT_EXCEPT;
1075 if (c->cs->io_pending & CS_WANT_WRITE)
1076 mask += ZOOM_SELECT_WRITE;
1077 if (c->cs->io_pending & CS_WANT_READ)
1078 mask += ZOOM_SELECT_READ;
1079 ZOOM_connection_set_mask(c, mask);
1080 c->state = STATE_CONNECTING;
1081 return zoom_pending;
1084 c->state = STATE_IDLE;
1085 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1086 return zoom_complete;
1089 /* returns 1 if PDU was sent OK (still pending )
1090 0 if PDU was not sent OK (nothing to wait for)
1093 ZOOM_API(ZOOM_record)
1094 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1096 const char *syntax =
1097 ZOOM_options_get(s->options, "preferredRecordSyntax");
1098 const char *elementSetName =
1099 ZOOM_options_get(s->options, "elementSetName");
1101 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1104 ZOOM_API(ZOOM_record)
1105 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1107 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1112 * MIKE: I think force_sync should always be zero, but I don't
1113 * want to make this change until I get the go-ahead from
1114 * Adam, in case something depends on the old synchronous
1118 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1119 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1120 rec = ZOOM_resultset_record_immediate(r, pos);
1125 ZOOM_API(ZOOM_scanset)
1126 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1129 ZOOM_query q = ZOOM_query_create();
1131 ZOOM_query_prefix(q, start);
1133 s = ZOOM_connection_scan1(c, q);
1134 ZOOM_query_destroy(q);
1139 ZOOM_API(ZOOM_scanset)
1140 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1142 ZOOM_scanset scan = 0;
1143 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1147 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1148 scan->connection = c;
1149 scan->odr = odr_createmem(ODR_DECODE);
1150 scan->options = ZOOM_options_create_with_parent(c->options);
1152 scan->scan_response = 0;
1153 scan->srw_scan_response = 0;
1156 ZOOM_query_addref(q);
1157 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1158 &scan->num_databaseNames,
1163 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1164 task->u.scan.scan = scan;
1169 while (ZOOM_event(1, &c))
1177 ZOOM_scanset_destroy(ZOOM_scanset scan)
1182 if (scan->refcount == 0)
1184 ZOOM_query_destroy(scan->query);
1186 odr_destroy(scan->odr);
1188 ZOOM_options_destroy(scan->options);
1193 static zoom_ret send_package(ZOOM_connection c)
1197 yaz_log(c->log_details, "%p send_package", c);
1199 return zoom_complete;
1200 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1202 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1203 ZOOM_connection_put_event(c, event);
1205 c->buf_out = c->tasks->u.package->buf_out;
1206 c->len_out = c->tasks->u.package->len_out;
1208 return ZOOM_send_buf(c);
1212 ZOOM_scanset_size(ZOOM_scanset scan)
1217 if (scan->scan_response && scan->scan_response->entries)
1218 return scan->scan_response->entries->num_entries;
1219 else if (scan->srw_scan_response)
1220 return scan->srw_scan_response->num_terms;
1224 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1226 const char **value_term, size_t *value_len,
1227 const char **disp_term, size_t *disp_len)
1229 size_t noent = ZOOM_scanset_size(scan);
1240 if (scan->scan_response)
1242 Z_ScanResponse *res = scan->scan_response;
1243 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1245 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1247 *value_term = (const char *) t->term->u.general->buf;
1248 *value_len = t->term->u.general->len;
1251 *disp_term = t->displayTerm;
1252 *disp_len = strlen(*disp_term);
1254 else if (t->term->which == Z_Term_general)
1256 *disp_term = (const char *) t->term->u.general->buf;
1257 *disp_len = t->term->u.general->len;
1259 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1262 if (scan->srw_scan_response)
1264 Z_SRW_scanResponse *res = scan->srw_scan_response;
1265 Z_SRW_scanTerm *t = res->terms + pos;
1268 *value_term = t->value;
1269 *value_len = strlen(*value_term);
1272 *disp_term = t->displayTerm;
1274 *disp_term = t->value;
1275 *disp_len = strlen(*disp_term);
1276 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1281 ZOOM_API(const char *)
1282 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1283 size_t *occ, size_t *len)
1285 const char *value_term = 0;
1286 size_t value_len = 0;
1287 const char *disp_term = 0;
1288 size_t disp_len = 0;
1290 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1291 &disp_term, &disp_len);
1297 ZOOM_API(const char *)
1298 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1299 size_t *occ, size_t *len)
1301 const char *value_term = 0;
1302 size_t value_len = 0;
1303 const char *disp_term = 0;
1304 size_t disp_len = 0;
1306 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1307 &disp_term, &disp_len);
1313 ZOOM_API(const char *)
1314 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1316 return ZOOM_options_get(scan->options, key);
1320 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1323 ZOOM_options_set(scan->options, key, val);
1327 ZOOM_API(ZOOM_package)
1328 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1330 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1333 p->odr_out = odr_createmem(ODR_ENCODE);
1334 p->options = ZOOM_options_create_with_parent2(options, c->options);
1342 ZOOM_package_destroy(ZOOM_package p)
1347 if (p->refcount == 0)
1349 odr_destroy(p->odr_out);
1352 ZOOM_options_destroy(p->options);
1357 ZOOM_API(const char *)
1358 ZOOM_package_option_get(ZOOM_package p, const char *key)
1360 return ZOOM_options_get(p->options, key);
1363 ZOOM_API(const char *)
1364 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1366 return ZOOM_options_getl(p->options, key, lenp);
1370 ZOOM_package_option_set(ZOOM_package p, const char *key,
1373 ZOOM_options_set(p->options, key, val);
1377 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1378 const char *val, int len)
1380 ZOOM_options_setl(p->options, key, val, len);
1384 ZOOM_connection_exec_task(ZOOM_connection c)
1386 ZOOM_task task = c->tasks;
1387 zoom_ret ret = zoom_complete;
1391 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1392 c, task->which, task->running);
1393 if (c->error != ZOOM_ERROR_NONE)
1395 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1396 "removing tasks because of error = %d", c, c->error);
1397 ZOOM_connection_remove_tasks(c);
1402 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1403 "task already running", c);
1407 ret = zoom_complete;
1408 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1410 switch (task->which)
1412 case ZOOM_TASK_SEARCH:
1413 if (c->proto == PROTO_HTTP)
1414 ret = ZOOM_connection_srw_send_search(c);
1416 ret = ZOOM_connection_Z3950_send_search(c);
1418 case ZOOM_TASK_RETRIEVE:
1419 if (c->proto == PROTO_HTTP)
1420 ret = ZOOM_connection_srw_send_search(c);
1422 ret = send_Z3950_present(c);
1424 case ZOOM_TASK_CONNECT:
1425 ret = do_connect(c);
1427 case ZOOM_TASK_SCAN:
1428 if (c->proto == PROTO_HTTP)
1429 ret = ZOOM_connection_srw_send_scan(c);
1431 ret = ZOOM_connection_Z3950_send_scan(c);
1433 case ZOOM_TASK_PACKAGE:
1434 ret = send_package(c);
1436 case ZOOM_TASK_SORT:
1437 c->tasks->u.sort.resultset->r_sort_spec =
1438 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1439 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1445 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1446 "remove tasks because no connection exist", c);
1447 ZOOM_connection_remove_tasks(c);
1449 if (ret == zoom_complete)
1451 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1452 "task removed (complete)", c);
1453 ZOOM_connection_remove_task(c);
1456 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1462 static Z_GDU *get_HTTP_Request_url(ODR odr, const char *url)
1464 Z_GDU *p = z_get_HTTP_Request(odr);
1465 const char *host = url;
1466 const char *cp0 = strstr(host, "://");
1467 const char *cp1 = 0;
1473 cp1 = strchr(cp0, '/');
1475 cp1 = cp0 + strlen(cp0);
1479 char *h = (char*) odr_malloc(odr, cp1 - cp0 + 1);
1480 memcpy (h, cp0, cp1 - cp0);
1482 z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, "Host", h);
1484 p->u.HTTP_Request->path = odr_strdup(odr, *cp1 ? cp1 : "/");
1488 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
1489 Z_HTTP_Response *cookie_hres)
1491 struct Z_HTTP_Header *h;
1492 Z_GDU *gdu = get_HTTP_Request_url(c->odr_out, uri);
1493 char *combined_cookies;
1494 int combined_cookies_len = 0;
1496 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1497 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1500 for (h = cookie_hres->headers; h; h = h->next)
1502 if (!strcmp(h->name, "Set-Cookie"))
1506 if (!(cp = strchr(h->value, ';')))
1507 cp = h->value + strlen(h->value);
1508 if (cp - h->value >= 1) {
1509 combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
1510 memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
1511 combined_cookies[combined_cookies_len + cp - h->value] = '\0';
1512 strcat(combined_cookies,"; ");
1513 combined_cookies_len = strlen(combined_cookies);
1518 if (combined_cookies_len)
1520 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1521 "Cookie", combined_cookies);
1522 xfree(combined_cookies);
1525 if (c->user && c->password)
1527 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1528 c->user, c->password);
1530 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1531 return zoom_complete;
1533 z_GDU(c->odr_print, &gdu, 0, 0);
1534 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1536 odr_reset(c->odr_out);
1537 return ZOOM_send_buf(c);
1541 void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
1542 const char *addinfo, const char *addinfo2)
1544 ZOOM_set_dset_error(c, error, "HTTP", addinfo, addinfo2);
1549 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
1551 zoom_ret cret = zoom_complete;
1553 const char *addinfo = 0;
1554 const char *connection_head = z_HTTP_header_lookup(hres->headers,
1556 const char *location;
1558 ZOOM_connection_set_mask(c, 0);
1559 yaz_log(c->log_details, "%p handle_http", c);
1561 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1562 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1565 if (c->no_redirects > 10)
1567 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1568 c->no_redirects = 0;
1569 ZOOM_connection_close(c);
1573 /* since redirect may change host we just reconnect. A smarter
1574 implementation might check whether it's the same server */
1575 do_connect_host(c, location, 0);
1576 send_HTTP_redirect(c, location, hres);
1577 /* we're OK for now. Operation is not really complete */
1579 cret = zoom_pending;
1584 ret = ZOOM_handle_sru(c, hres, &cret);
1587 if (c->no_redirects) /* end of redirect. change hosts again */
1588 ZOOM_connection_close(c);
1590 c->no_redirects = 0;
1594 if (hres->code != 200)
1595 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1597 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1598 ZOOM_connection_close(c);
1600 if (cret == zoom_complete)
1602 yaz_log(c->log_details, "removing tasks in handle_http");
1603 ZOOM_connection_remove_task(c);
1607 if (!strcmp(hres->version, "1.0"))
1609 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1610 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1615 /* HTTP 1.1: only if no close we stay alive.. */
1616 if (connection_head && !strcmp(connection_head, "close"))
1621 ZOOM_connection_close(c);
1624 c->tasks->running = 0;
1625 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1626 c->reconnect_ok = 0;
1633 static int do_read(ZOOM_connection c)
1638 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1639 ZOOM_connection_put_event(c, event);
1641 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1642 more = cs_more(c->cs);
1643 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1648 if (!ZOOM_test_reconnect(c))
1650 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1651 ZOOM_connection_close(c);
1659 odr_reset(c->odr_in);
1660 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1661 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1662 ZOOM_connection_put_event(c, event);
1664 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1667 int err = odr_geterrorx(c->odr_in, &x);
1669 const char *element = odr_getelement(c->odr_in);
1670 yaz_snprintf(msg, sizeof(msg),
1671 "ODR code %d:%d element=%s offset=%d",
1672 err, x, element ? element : "<unknown>",
1673 odr_offset(c->odr_in));
1674 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1677 FILE *ber_file = yaz_log_file();
1679 odr_dumpBER(ber_file, c->buf_in, r);
1681 ZOOM_connection_close(c);
1686 z_GDU(c->odr_print, &gdu, 0, 0);
1687 if (gdu->which == Z_GDU_Z3950)
1688 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1689 else if (gdu->which == Z_GDU_HTTP_Response)
1692 handle_http(c, gdu->u.HTTP_Response);
1694 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1695 ZOOM_connection_close(c);
1699 c->reconnect_ok = 0;
1704 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1709 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1710 ZOOM_connection_put_event(c, event);
1712 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1713 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1715 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1716 if (ZOOM_test_reconnect(c))
1718 return zoom_pending;
1720 if (c->state == STATE_CONNECTING)
1721 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1723 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1724 ZOOM_connection_close(c);
1725 return zoom_complete;
1729 int mask = ZOOM_SELECT_EXCEPT;
1730 if (c->cs->io_pending & CS_WANT_WRITE)
1731 mask += ZOOM_SELECT_WRITE;
1732 if (c->cs->io_pending & CS_WANT_READ)
1733 mask += ZOOM_SELECT_READ;
1734 ZOOM_connection_set_mask(c, mask);
1735 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1740 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1741 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1744 return zoom_pending;
1747 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1749 return do_write_ex(c, c->buf_out, c->len_out);
1753 ZOOM_API(const char *)
1754 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1756 return ZOOM_options_get(c->options, key);
1759 ZOOM_API(const char *)
1760 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1762 return ZOOM_options_getl(c->options, key, lenp);
1766 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1769 ZOOM_options_set(c->options, key, val);
1773 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1774 const char *val, int len)
1776 ZOOM_options_setl(c->options, key, val, len);
1779 ZOOM_API(const char *)
1780 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1782 return ZOOM_options_get(r->options, key);
1786 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1789 ZOOM_options_set(r->options, key, val);
1794 ZOOM_connection_errcode(ZOOM_connection c)
1796 return ZOOM_connection_error(c, 0, 0);
1799 ZOOM_API(const char *)
1800 ZOOM_connection_errmsg(ZOOM_connection c)
1803 ZOOM_connection_error(c, &msg, 0);
1807 ZOOM_API(const char *)
1808 ZOOM_connection_addinfo(ZOOM_connection c)
1810 const char *addinfo;
1811 ZOOM_connection_error(c, 0, &addinfo);
1815 ZOOM_API(const char *)
1816 ZOOM_connection_diagset(ZOOM_connection c)
1818 const char *diagset;
1819 ZOOM_connection_error_x(c, 0, 0, &diagset);
1823 ZOOM_API(const char *)
1824 ZOOM_diag_str(int error)
1828 case ZOOM_ERROR_NONE:
1830 case ZOOM_ERROR_CONNECT:
1831 return "Connect failed";
1832 case ZOOM_ERROR_MEMORY:
1833 return "Out of memory";
1834 case ZOOM_ERROR_ENCODE:
1835 return "Encoding failed";
1836 case ZOOM_ERROR_DECODE:
1837 return "Decoding failed";
1838 case ZOOM_ERROR_CONNECTION_LOST:
1839 return "Connection lost";
1840 case ZOOM_ERROR_INIT:
1841 return "Init rejected";
1842 case ZOOM_ERROR_INTERNAL:
1843 return "Internal failure";
1844 case ZOOM_ERROR_TIMEOUT:
1846 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1847 return "Unsupported protocol";
1848 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1849 return "Unsupported query type";
1850 case ZOOM_ERROR_INVALID_QUERY:
1851 return "Invalid query";
1852 case ZOOM_ERROR_CQL_PARSE:
1853 return "CQL parsing error";
1854 case ZOOM_ERROR_CQL_TRANSFORM:
1855 return "CQL transformation error";
1856 case ZOOM_ERROR_CCL_CONFIG:
1857 return "CCL configuration error";
1858 case ZOOM_ERROR_CCL_PARSE:
1859 return "CCL parsing error";
1861 return diagbib1_str(error);
1866 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1867 const char **addinfo, const char **diagset)
1869 int error = c->error;
1872 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1873 *cp = ZOOM_diag_str(error);
1874 else if (!strcmp(c->diagset, "HTTP"))
1875 *cp = z_HTTP_errmsg(c->error);
1876 else if (!strcmp(c->diagset, "Bib-1"))
1877 *cp = ZOOM_diag_str(error);
1878 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1879 *cp = yaz_diag_srw_str(c->error);
1881 *cp = "Unknown error and diagnostic set";
1884 *addinfo = c->addinfo ? c->addinfo : "";
1886 *diagset = c->diagset ? c->diagset : "";
1891 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1892 const char **addinfo)
1894 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1897 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1899 ZOOM_Event event = 0;
1900 int r = cs_look(c->cs);
1901 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1906 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1907 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1908 ZOOM_connection_close(c);
1909 ZOOM_connection_put_event(c, event);
1911 else if (r == CS_CONNECT)
1913 int ret = ret = cs_rcvconnect(c->cs);
1914 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1915 "cs_rcvconnect returned %d", c, ret);
1918 int mask = ZOOM_SELECT_EXCEPT;
1919 if (c->cs->io_pending & CS_WANT_WRITE)
1920 mask += ZOOM_SELECT_WRITE;
1921 if (c->cs->io_pending & CS_WANT_READ)
1922 mask += ZOOM_SELECT_READ;
1923 ZOOM_connection_set_mask(c, mask);
1924 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1925 ZOOM_connection_put_event(c, event);
1929 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1930 ZOOM_connection_put_event(c, event);
1932 if (c->proto == PROTO_Z3950)
1933 ZOOM_connection_Z3950_send_init(c);
1936 /* no init request for SRW .. */
1937 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1938 ZOOM_connection_remove_task(c);
1939 ZOOM_connection_set_mask(c, 0);
1940 ZOOM_connection_exec_task(c);
1942 c->state = STATE_ESTABLISHED;
1946 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1947 ZOOM_connection_close(c);
1952 if (mask & ZOOM_SELECT_EXCEPT)
1954 if (!ZOOM_test_reconnect(c))
1956 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1957 ZOOM_connection_close(c);
1961 if (mask & ZOOM_SELECT_READ)
1963 if (c->cs && (mask & ZOOM_SELECT_WRITE))
1969 ZOOM_connection_last_event(ZOOM_connection cs)
1972 return ZOOM_EVENT_NONE;
1973 return cs->last_event;
1977 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
1981 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
1982 /* timeout and this connection was waiting */
1983 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
1984 ZOOM_connection_close(c);
1985 ZOOM_connection_put_event(c, event);
1991 ZOOM_connection_process(ZOOM_connection c)
1997 event = ZOOM_connection_get_event(c);
2000 ZOOM_Event_destroy(event);
2003 ZOOM_connection_exec_task(c);
2004 event = ZOOM_connection_get_event(c);
2007 ZOOM_Event_destroy(event);
2014 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2018 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2020 for (i = 0; i<no; i++)
2022 ZOOM_connection c = cs[i];
2024 if (c && ZOOM_connection_process(c))
2030 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2032 if (c->mask && mask)
2033 ZOOM_connection_do_io(c, mask);
2037 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2040 return cs_fileno(c->cs);
2044 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2052 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2059 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2061 return ZOOM_options_get_int(c->options, "timeout", 30);
2064 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2069 ZOOM_connection_set_mask(c, 0);
2070 c->state = STATE_IDLE;
2076 * c-file-style: "Stroustrup"
2077 * indent-tabs-mode: nil
2079 * vim: shiftwidth=4 tabstop=8 expandtab