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) + 2);
74 strcpy(c->addinfo, addinfo);
75 strcat(c->addinfo, addinfo2);
78 c->addinfo = xstrdup(addinfo);
79 if (error != ZOOM_ERROR_NONE)
81 yaz_log(c->log_api, "%p set_dset_error %s %s:%d %s %s",
82 c, c->host_port ? c->host_port : "<>", dset, error,
83 addinfo ? addinfo : "",
84 addinfo2 ? addinfo2 : "");
85 ZOOM_connection_remove_tasks(c);
89 int ZOOM_uri_to_code(const char *uri)
93 if ((cp = strrchr(uri, '/')))
100 void ZOOM_set_error(ZOOM_connection c, int error, const char *addinfo)
102 ZOOM_set_dset_error(c, error, "ZOOM", addinfo, 0);
105 static void clear_error(ZOOM_connection c)
108 * If an error is tied to an operation then it's ok to clear: for
109 * example, a diagnostic returned from a search is cleared by a
110 * subsequent search. However, problems such as Connection Lost
111 * or Init Refused are not cleared, because they are not
112 * recoverable: doing another search doesn't help.
115 ZOOM_connection_remove_events(c);
118 case ZOOM_ERROR_CONNECT:
119 case ZOOM_ERROR_MEMORY:
120 case ZOOM_ERROR_DECODE:
121 case ZOOM_ERROR_CONNECTION_LOST:
122 case ZOOM_ERROR_INIT:
123 case ZOOM_ERROR_INTERNAL:
124 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
127 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
131 void ZOOM_connection_show_task(ZOOM_task task)
135 case ZOOM_TASK_SEARCH:
136 yaz_log(YLOG_LOG, "search p=%p", task);
138 case ZOOM_TASK_RETRIEVE:
139 yaz_log(YLOG_LOG, "retrieve p=%p", task);
141 case ZOOM_TASK_CONNECT:
142 yaz_log(YLOG_LOG, "connect p=%p", task);
145 yaz_log(YLOG_LOG, "scan p=%p", task);
150 void ZOOM_connection_show_tasks(ZOOM_connection c)
153 yaz_log(YLOG_LOG, "connection p=%p tasks", c);
154 for (task = c->tasks; task; task = task->next)
155 ZOOM_connection_show_task(task);
158 ZOOM_task ZOOM_connection_add_task(ZOOM_connection c, int which)
160 ZOOM_task *taskp = &c->tasks;
162 taskp = &(*taskp)->next;
163 *taskp = (ZOOM_task) xmalloc(sizeof(**taskp));
164 (*taskp)->running = 0;
165 (*taskp)->which = which;
171 ZOOM_API(int) ZOOM_connection_is_idle(ZOOM_connection c)
173 return c->tasks ? 0 : 1;
176 ZOOM_task ZOOM_connection_insert_task(ZOOM_connection c, int which)
178 ZOOM_task task = (ZOOM_task) xmalloc(sizeof(*task));
180 task->next = c->tasks;
188 void ZOOM_connection_remove_task(ZOOM_connection c)
190 ZOOM_task task = c->tasks;
194 c->tasks = task->next;
197 case ZOOM_TASK_SEARCH:
198 resultset_destroy(task->u.search.resultset);
199 xfree(task->u.search.syntax);
200 xfree(task->u.search.elementSetName);
202 case ZOOM_TASK_RETRIEVE:
203 resultset_destroy(task->u.retrieve.resultset);
204 xfree(task->u.retrieve.syntax);
205 xfree(task->u.retrieve.elementSetName);
207 case ZOOM_TASK_CONNECT:
210 ZOOM_scanset_destroy(task->u.scan.scan);
212 case ZOOM_TASK_PACKAGE:
213 ZOOM_package_destroy(task->u.package);
216 resultset_destroy(task->u.sort.resultset);
217 ZOOM_query_destroy(task->u.sort.q);
226 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_END);
227 ZOOM_connection_put_event(c, event);
232 void ZOOM_connection_remove_tasks(ZOOM_connection c)
235 ZOOM_connection_remove_task(c);
239 ZOOM_API(ZOOM_connection)
240 ZOOM_connection_create(ZOOM_options options)
242 ZOOM_connection c = (ZOOM_connection) xmalloc(sizeof(*c));
246 c->log_api = log_api0;
247 c->log_details = log_details0;
249 yaz_log(c->log_api, "%p ZOOM_connection_create", c);
251 c->proto = PROTO_Z3950;
253 ZOOM_connection_set_mask(c, 0);
255 c->state = STATE_IDLE;
258 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
265 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)
358 yaz_log(c->log_api, "%p ZOOM_connection_connect host=%s portnum=%d",
359 c, host ? host : "null", portnum);
361 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
362 ZOOM_connection_remove_tasks(c);
366 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
367 odr_destroy(c->odr_print);
369 if (ZOOM_options_get_bool(c->options, "apdulog", 0))
371 c->odr_print = odr_createmem(ODR_PRINT);
372 odr_setprint(c->odr_print, yaz_log_file());
379 yaz_log(c->log_details, "%p ZOOM_connection_connect reconnect ok", c);
383 yaz_log(c->log_details, "%p ZOOM_connection_connect connect", c);
386 val = ZOOM_options_get(c->options, "proxy");
389 yaz_log(c->log_details, "%p ZOOM_connection_connect proxy=%s", c, val);
390 c->proxy = xstrdup(val);
395 val = ZOOM_options_get(c->options, "charset");
398 yaz_log(c->log_details, "%p ZOOM_connection_connect charset=%s", c, val);
399 c->charset = xstrdup(val);
403 val = ZOOM_options_get(c->options, "lang");
406 yaz_log(c->log_details, "%p ZOOM_connection_connect lang=%s", c, val);
407 c->lang = xstrdup(val);
418 sprintf(hostn, "%.80s:%d", host, portnum);
419 c->host_port = xstrdup(hostn);
422 c->host_port = xstrdup(host);
427 * If the "<scheme>:" part of the host string is preceded by one
428 * or more comma-separated <name>=<value> pairs, these are taken
429 * to be options to be set on the connection object. Among other
430 * applications, this facility can be used to embed authentication
432 * user=admin,password=secret,tcp:localhost:9999
434 char *remainder = c->host_port;
435 char *pcolon = strchr(remainder, ':');
438 while ((pcomma = strchr(remainder, ',')) != 0 &&
439 (pcolon == 0 || pcomma < pcolon)) {
441 if ((pequals = strchr(remainder, '=')) != 0) {
443 /*printf("# setting '%s'='%s'\n", remainder, pequals+1);*/
444 ZOOM_connection_option_set(c, remainder, pequals+1);
446 remainder = pcomma+1;
449 if (remainder != c->host_port) {
451 c->host_port = xstrdup(remainder);
452 /*printf("# reset hp='%s'\n", remainder);*/
456 val = ZOOM_options_get(c->options, "sru");
457 c->sru_mode = get_sru_mode_from_string(val);
459 xfree(c->sru_version);
460 val = ZOOM_options_get(c->options, "sru_version");
461 c->sru_version = xstrdup(val ? val : "1.2");
463 ZOOM_options_set(c->options, "host", c->host_port);
465 xfree(c->cookie_out);
467 val = ZOOM_options_get(c->options, "cookie");
470 yaz_log(c->log_details, "%p ZOOM_connection_connect cookie=%s", c, val);
471 c->cookie_out = xstrdup(val);
476 val = ZOOM_options_get(c->options, "clientIP");
479 yaz_log(c->log_details, "%p ZOOM_connection_connect clientIP=%s",
481 c->client_IP = xstrdup(val);
486 val = ZOOM_options_get(c->options, "group");
488 c->group = xstrdup(val);
492 val = ZOOM_options_get(c->options, "user");
494 c->user = xstrdup(val);
498 val = ZOOM_options_get(c->options, "password");
500 val = ZOOM_options_get(c->options, "pass");
503 c->password = xstrdup(val);
505 c->maximum_record_size =
506 ZOOM_options_get_int(c->options, "maximumRecordSize", 1024*1024);
507 c->preferred_message_size =
508 ZOOM_options_get_int(c->options, "preferredMessageSize", 1024*1024);
510 c->async = ZOOM_options_get_bool(c->options, "async", 0);
511 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
513 task = ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
517 while (ZOOM_event(1, &c))
522 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
524 #if ZOOM_RESULT_LISTS
528 /* remove ourselves from the resultsets in connection */
529 ZOOM_resultset *rp = &r->connection->resultsets;
532 assert(*rp); /* we must be in this list!! */
534 { /* OK, we're here - take us out of it */
546 ZOOM_connection_destroy(ZOOM_connection c)
548 #if ZOOM_RESULT_LISTS
549 ZOOM_resultsets list;
555 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
559 #if ZOOM_RESULT_LISTS
560 // Remove the connection's usage of resultsets
561 list = c->resultsets;
563 ZOOM_resultsets removed = list;
564 ZOOM_resultset_destroy(list->resultset);
569 for (r = c->resultsets; r; r = r->next)
576 odr_destroy(c->odr_in);
577 odr_destroy(c->odr_out);
580 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
581 odr_destroy(c->odr_print);
583 ZOOM_options_destroy(c->options);
584 ZOOM_connection_remove_tasks(c);
585 ZOOM_connection_remove_events(c);
591 xfree(c->cookie_out);
597 xfree(c->sru_version);
601 void ZOOM_resultset_addref(ZOOM_resultset r)
605 yaz_mutex_enter(r->mutex);
607 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
609 yaz_mutex_leave(r->mutex);
613 static int g_resultsets = 0;
614 static YAZ_MUTEX g_resultset_mutex = 0;
616 /* TODO We need to initialize this before running threaded:
617 * call resultset_use(0) */
619 static int resultset_use(int delta) {
621 if (g_resultset_mutex == 0)
622 yaz_mutex_create(&g_resultset_mutex);
623 yaz_mutex_enter(g_resultset_mutex);
624 g_resultsets += delta;
625 resultset_count = g_resultsets;
626 yaz_mutex_leave(g_resultset_mutex);
627 return resultset_count;
630 int resultsets_count(void) {
631 return resultset_use(0);
634 ZOOM_resultset ZOOM_resultset_create(void)
637 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
641 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
644 r->odr = odr_createmem(ODR_ENCODE);
649 for (i = 0; i<RECORD_HASH_SIZE; i++)
650 r->record_hash[i] = 0;
654 r->databaseNames = 0;
655 r->num_databaseNames = 0;
660 yaz_mutex_create(&r->mutex);
663 WRBUF w = wrbuf_alloc();
664 YAZ_SHPTR_INIT(r->record_wrbuf, w);
671 ZOOM_API(ZOOM_resultset)
672 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
675 ZOOM_query s = ZOOM_query_create();
677 ZOOM_query_prefix(s, q);
679 r = ZOOM_connection_search(c, s);
680 ZOOM_query_destroy(s);
684 ZOOM_API(ZOOM_resultset)
685 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
687 ZOOM_resultset r = ZOOM_resultset_create();
691 const char *syntax, *elementSetName;
692 #if ZOOM_RESULT_LISTS
696 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
697 r->r_sort_spec = ZOOM_query_get_sortspec(q);
700 r->options = ZOOM_options_create_with_parent(c->options);
702 start = ZOOM_options_get_int(r->options, "start", 0);
703 count = ZOOM_options_get_int(r->options, "count", 0);
705 /* If "presentChunk" is defined use that; otherwise "step" */
706 const char *cp = ZOOM_options_get(r->options, "presentChunk");
707 r->step = ZOOM_options_get_int(r->options,
708 (cp != 0 ? "presentChunk": "step"), 0);
710 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
711 cp = ZOOM_options_get(r->options, "setname");
713 r->setname = xstrdup(cp);
714 cp = ZOOM_options_get(r->options, "schema");
716 r->schema = xstrdup(cp);
718 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
723 #if ZOOM_RESULT_LISTS
724 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
725 set = xmalloc(sizeof(*set));
726 ZOOM_resultset_addref(r);
728 set->next = c->resultsets;
731 r->next = c->resultsets;
734 if (c->host_port && c->proto == PROTO_HTTP)
738 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
739 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
743 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
748 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
749 task->u.search.resultset = r;
750 task->u.search.start = start;
751 task->u.search.count = count;
752 task->u.search.recv_search_fired = 0;
754 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
755 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
756 elementSetName = ZOOM_options_get(r->options, "elementSetName");
757 task->u.search.elementSetName = elementSetName
758 ? xstrdup(elementSetName) : 0;
760 ZOOM_resultset_addref(r);
762 ZOOM_query_addref(q);
766 while (ZOOM_event(1, &c))
773 ZOOM_resultset_sort(ZOOM_resultset r,
774 const char *sort_type, const char *sort_spec)
776 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
780 ZOOM_resultset_sort1(ZOOM_resultset r,
781 const char *sort_type, const char *sort_spec)
783 ZOOM_connection c = r->connection;
787 newq = ZOOM_query_create();
788 if (ZOOM_query_sortby(newq, sort_spec) < 0)
791 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
792 r, r, sort_type, sort_spec);
796 if (c->host_port && c->proto == PROTO_HTTP)
800 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
801 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
805 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
811 ZOOM_resultset_cache_reset(r);
812 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
813 task->u.sort.resultset = r;
814 task->u.sort.q = newq;
816 ZOOM_resultset_addref(r);
820 while (ZOOM_event(1, &c))
828 ZOOM_resultset_destroy(ZOOM_resultset r)
830 resultset_destroy(r);
833 static void resultset_destroy(ZOOM_resultset r)
837 yaz_mutex_enter(r->mutex);
839 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
841 if (r->refcount == 0)
843 yaz_mutex_leave(r->mutex);
845 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
846 ZOOM_resultset_cache_reset(r);
847 ZOOM_resultset_release(r);
848 ZOOM_query_destroy(r->query);
849 ZOOM_options_destroy(r->options);
853 yaz_mutex_destroy(&r->mutex);
855 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
861 yaz_mutex_leave(r->mutex);
865 ZOOM_resultset_size(ZOOM_resultset r)
870 int ZOOM_test_reconnect(ZOOM_connection c)
874 if (!c->reconnect_ok)
876 ZOOM_connection_close(c);
878 c->tasks->running = 0;
879 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
881 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
882 ZOOM_connection_put_event(c, event);
887 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
888 int force_sync, int start, int count)
893 const char *syntax, *elementSetName;
897 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
898 " count=%d", r, force_sync, start, count);
903 if (c->host_port && c->proto == PROTO_HTTP)
907 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
908 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
912 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
917 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
918 task->u.retrieve.resultset = r;
919 task->u.retrieve.start = start;
920 task->u.retrieve.count = count;
922 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
923 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
924 elementSetName = ZOOM_options_get(r->options, "elementSetName");
925 task->u.retrieve.elementSetName = elementSetName
926 ? xstrdup(elementSetName) : 0;
928 cp = ZOOM_options_get(r->options, "schema");
931 if (!r->schema || strcmp(r->schema, cp))
934 r->schema = xstrdup(cp);
938 ZOOM_resultset_addref(r);
940 if (!r->connection->async || force_sync)
941 while (r->connection && ZOOM_event(1, &r->connection))
946 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
947 size_t start, size_t count)
949 int force_present = 0;
953 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
954 r, r, (long) start, (long) count);
957 ZOOM_resultset_retrieve(r, force_present, start, count);
961 for (i = 0; i< count; i++)
962 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
967 ZOOM_resultset_facets_size(ZOOM_resultset r) {
968 return r->num_facets;
971 ZOOM_API(ZOOM_facet_field)
972 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
973 int num = r->num_facets;
974 ZOOM_facet_field *facets = r->facets;
976 for (index = 0; index < num; index++) {
977 if (!strcmp(facets[index]->facet_name, name)) {
978 return facets[index];
985 ZOOM_API(ZOOM_facet_field *)
986 ZOOM_resultset_facets(ZOOM_resultset r)
991 ZOOM_API(const char**)
992 ZOOM_resultset_facet_names(ZOOM_resultset r)
994 return (const char **) r->facets_names;
997 ZOOM_API(const char*)
998 ZOOM_facet_field_name(ZOOM_facet_field field)
1000 return field->facet_name;
1004 ZOOM_facet_field_term_count(ZOOM_facet_field field)
1006 return field->num_terms;
1009 ZOOM_API(const char*)
1010 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
1011 *freq = field->facet_terms[idx].frequency;
1012 return field->facet_terms[idx].term;
1016 static void get_cert(ZOOM_connection c)
1021 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
1023 ZOOM_connection_option_setl(c, "sslPeerCert",
1024 cert_buf, cert_len);
1029 static zoom_ret do_connect_host(ZOOM_connection c,
1030 const char *effective_host,
1031 const char *logical_url);
1033 static zoom_ret do_connect(ZOOM_connection c)
1035 const char *effective_host;
1038 effective_host = c->proxy;
1040 effective_host = c->host_port;
1041 return do_connect_host(c, effective_host, c->host_port);
1044 static zoom_ret do_connect_host(ZOOM_connection c, const char *effective_host,
1045 const char *logical_url)
1049 yaz_log(c->log_details, "%p do_connect effective_host=%s", c, effective_host);
1053 c->cs = cs_create_host(effective_host, 0, &add);
1055 if (c->cs && c->cs->protocol == PROTO_HTTP)
1062 c->proto = PROTO_HTTP;
1063 cs_get_host_args(logical_url, &db);
1066 c->path = xmalloc(strlen(db) * 3 + 2);
1067 yaz_encode_sru_dbpath_buf(c->path, db);
1070 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1071 ZOOM_connection_close(c);
1072 return zoom_complete;
1077 int ret = cs_connect(c->cs, add);
1080 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1081 ZOOM_connection_put_event(c, event);
1083 if (c->proto == PROTO_Z3950)
1084 ZOOM_connection_Z3950_send_init(c);
1087 /* no init request for SRW .. */
1088 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1089 ZOOM_connection_remove_task(c);
1090 ZOOM_connection_set_mask(c, 0);
1091 ZOOM_connection_exec_task(c);
1093 c->state = STATE_ESTABLISHED;
1094 return zoom_pending;
1098 int mask = ZOOM_SELECT_EXCEPT;
1099 if (c->cs->io_pending & CS_WANT_WRITE)
1100 mask += ZOOM_SELECT_WRITE;
1101 if (c->cs->io_pending & CS_WANT_READ)
1102 mask += ZOOM_SELECT_READ;
1103 ZOOM_connection_set_mask(c, mask);
1104 c->state = STATE_CONNECTING;
1105 return zoom_pending;
1108 c->state = STATE_IDLE;
1109 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1110 return zoom_complete;
1113 /* returns 1 if PDU was sent OK (still pending )
1114 0 if PDU was not sent OK (nothing to wait for)
1117 ZOOM_API(ZOOM_record)
1118 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1120 const char *syntax =
1121 ZOOM_options_get(s->options, "preferredRecordSyntax");
1122 const char *elementSetName =
1123 ZOOM_options_get(s->options, "elementSetName");
1125 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1128 ZOOM_API(ZOOM_record)
1129 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1131 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1136 * MIKE: I think force_sync should always be zero, but I don't
1137 * want to make this change until I get the go-ahead from
1138 * Adam, in case something depends on the old synchronous
1142 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1143 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1144 rec = ZOOM_resultset_record_immediate(r, pos);
1149 ZOOM_API(ZOOM_scanset)
1150 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1153 ZOOM_query q = ZOOM_query_create();
1155 ZOOM_query_prefix(q, start);
1157 s = ZOOM_connection_scan1(c, q);
1158 ZOOM_query_destroy(q);
1163 ZOOM_API(ZOOM_scanset)
1164 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1166 ZOOM_scanset scan = 0;
1167 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1171 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1172 scan->connection = c;
1173 scan->odr = odr_createmem(ODR_DECODE);
1174 scan->options = ZOOM_options_create_with_parent(c->options);
1176 scan->scan_response = 0;
1177 scan->srw_scan_response = 0;
1180 ZOOM_query_addref(q);
1181 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1182 &scan->num_databaseNames,
1187 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1188 task->u.scan.scan = scan;
1193 while (ZOOM_event(1, &c))
1201 ZOOM_scanset_destroy(ZOOM_scanset scan)
1206 if (scan->refcount == 0)
1208 ZOOM_query_destroy(scan->query);
1210 odr_destroy(scan->odr);
1212 ZOOM_options_destroy(scan->options);
1217 static zoom_ret send_package(ZOOM_connection c)
1221 yaz_log(c->log_details, "%p send_package", c);
1223 return zoom_complete;
1224 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1226 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1227 ZOOM_connection_put_event(c, event);
1229 c->buf_out = c->tasks->u.package->buf_out;
1230 c->len_out = c->tasks->u.package->len_out;
1232 return ZOOM_send_buf(c);
1236 ZOOM_scanset_size(ZOOM_scanset scan)
1241 if (scan->scan_response && scan->scan_response->entries)
1242 return scan->scan_response->entries->num_entries;
1243 else if (scan->srw_scan_response)
1244 return scan->srw_scan_response->num_terms;
1248 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1250 const char **value_term, size_t *value_len,
1251 const char **disp_term, size_t *disp_len)
1253 size_t noent = ZOOM_scanset_size(scan);
1264 if (scan->scan_response)
1266 Z_ScanResponse *res = scan->scan_response;
1267 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1269 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1271 *value_term = (const char *) t->term->u.general->buf;
1272 *value_len = t->term->u.general->len;
1275 *disp_term = t->displayTerm;
1276 *disp_len = strlen(*disp_term);
1278 else if (t->term->which == Z_Term_general)
1280 *disp_term = (const char *) t->term->u.general->buf;
1281 *disp_len = t->term->u.general->len;
1283 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1286 if (scan->srw_scan_response)
1288 Z_SRW_scanResponse *res = scan->srw_scan_response;
1289 Z_SRW_scanTerm *t = res->terms + pos;
1292 *value_term = t->value;
1293 *value_len = strlen(*value_term);
1296 *disp_term = t->displayTerm;
1298 *disp_term = t->value;
1299 *disp_len = strlen(*disp_term);
1300 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1305 ZOOM_API(const char *)
1306 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1307 size_t *occ, size_t *len)
1309 const char *value_term = 0;
1310 size_t value_len = 0;
1311 const char *disp_term = 0;
1312 size_t disp_len = 0;
1314 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1315 &disp_term, &disp_len);
1321 ZOOM_API(const char *)
1322 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1323 size_t *occ, size_t *len)
1325 const char *value_term = 0;
1326 size_t value_len = 0;
1327 const char *disp_term = 0;
1328 size_t disp_len = 0;
1330 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1331 &disp_term, &disp_len);
1337 ZOOM_API(const char *)
1338 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1340 return ZOOM_options_get(scan->options, key);
1344 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1347 ZOOM_options_set(scan->options, key, val);
1351 ZOOM_API(ZOOM_package)
1352 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1354 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1357 p->odr_out = odr_createmem(ODR_ENCODE);
1358 p->options = ZOOM_options_create_with_parent2(options, c->options);
1366 ZOOM_package_destroy(ZOOM_package p)
1371 if (p->refcount == 0)
1373 odr_destroy(p->odr_out);
1376 ZOOM_options_destroy(p->options);
1381 ZOOM_API(const char *)
1382 ZOOM_package_option_get(ZOOM_package p, const char *key)
1384 return ZOOM_options_get(p->options, key);
1387 ZOOM_API(const char *)
1388 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1390 return ZOOM_options_getl(p->options, key, lenp);
1394 ZOOM_package_option_set(ZOOM_package p, const char *key,
1397 ZOOM_options_set(p->options, key, val);
1401 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1402 const char *val, int len)
1404 ZOOM_options_setl(p->options, key, val, len);
1408 ZOOM_connection_exec_task(ZOOM_connection c)
1410 ZOOM_task task = c->tasks;
1411 zoom_ret ret = zoom_complete;
1415 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1416 c, task->which, task->running);
1417 if (c->error != ZOOM_ERROR_NONE)
1419 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1420 "removing tasks because of error = %d", c, c->error);
1421 ZOOM_connection_remove_tasks(c);
1426 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1427 "task already running", c);
1431 ret = zoom_complete;
1432 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1434 switch (task->which)
1436 case ZOOM_TASK_SEARCH:
1437 if (c->proto == PROTO_HTTP)
1438 ret = ZOOM_connection_srw_send_search(c);
1440 ret = ZOOM_connection_Z3950_send_search(c);
1442 case ZOOM_TASK_RETRIEVE:
1443 if (c->proto == PROTO_HTTP)
1444 ret = ZOOM_connection_srw_send_search(c);
1446 ret = send_Z3950_present(c);
1448 case ZOOM_TASK_CONNECT:
1449 ret = do_connect(c);
1451 case ZOOM_TASK_SCAN:
1452 if (c->proto == PROTO_HTTP)
1453 ret = ZOOM_connection_srw_send_scan(c);
1455 ret = ZOOM_connection_Z3950_send_scan(c);
1457 case ZOOM_TASK_PACKAGE:
1458 ret = send_package(c);
1460 case ZOOM_TASK_SORT:
1461 c->tasks->u.sort.resultset->r_sort_spec =
1462 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1463 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1469 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1470 "remove tasks because no connection exist", c);
1471 ZOOM_connection_remove_tasks(c);
1473 if (ret == zoom_complete)
1475 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1476 "task removed (complete)", c);
1477 ZOOM_connection_remove_task(c);
1480 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1486 static Z_GDU *get_HTTP_Request_url(ODR odr, const char *url)
1488 Z_GDU *p = z_get_HTTP_Request(odr);
1489 const char *host = url;
1490 const char *cp0 = strstr(host, "://");
1491 const char *cp1 = 0;
1497 cp1 = strchr(cp0, '/');
1499 cp1 = cp0 + strlen(cp0);
1503 char *h = (char*) odr_malloc(odr, cp1 - cp0 + 1);
1504 memcpy (h, cp0, cp1 - cp0);
1506 z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, "Host", h);
1508 p->u.HTTP_Request->path = odr_strdup(odr, *cp1 ? cp1 : "/");
1512 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
1513 Z_HTTP_Response *cookie_hres)
1515 struct Z_HTTP_Header *h;
1516 Z_GDU *gdu = get_HTTP_Request_url(c->odr_out, uri);
1517 char *combined_cookies;
1518 int combined_cookies_len = 0;
1520 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1521 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1524 for (h = cookie_hres->headers; h; h = h->next)
1526 if (!strcmp(h->name, "Set-Cookie"))
1530 if (!(cp = strchr(h->value, ';')))
1531 cp = h->value + strlen(h->value);
1532 if (cp - h->value >= 1) {
1533 combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
1534 memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
1535 combined_cookies[combined_cookies_len + cp - h->value] = '\0';
1536 strcat(combined_cookies,"; ");
1537 combined_cookies_len = strlen(combined_cookies);
1542 if (combined_cookies_len)
1544 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1545 "Cookie", combined_cookies);
1546 xfree(combined_cookies);
1549 if (c->user && c->password)
1551 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1552 c->user, c->password);
1554 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1555 return zoom_complete;
1557 z_GDU(c->odr_print, &gdu, 0, 0);
1558 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1560 odr_reset(c->odr_out);
1561 return ZOOM_send_buf(c);
1565 void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
1566 const char *addinfo, const char *addinfo2)
1568 ZOOM_set_dset_error(c, error, "HTTP", addinfo, addinfo2);
1573 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
1575 zoom_ret cret = zoom_complete;
1577 const char *addinfo = 0;
1578 const char *connection_head = z_HTTP_header_lookup(hres->headers,
1580 const char *location;
1582 ZOOM_connection_set_mask(c, 0);
1583 yaz_log(c->log_details, "%p handle_http", c);
1585 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1586 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1589 if (c->no_redirects > 10)
1591 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1592 c->no_redirects = 0;
1593 ZOOM_connection_close(c);
1597 /* since redirect may change host we just reconnect. A smarter
1598 implementation might check whether it's the same server */
1599 do_connect_host(c, location, 0);
1600 send_HTTP_redirect(c, location, hres);
1601 /* we're OK for now. Operation is not really complete */
1603 cret = zoom_pending;
1608 ret = ZOOM_handle_sru(c, hres, &cret);
1611 if (c->no_redirects) /* end of redirect. change hosts again */
1612 ZOOM_connection_close(c);
1614 c->no_redirects = 0;
1618 if (hres->code != 200)
1619 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1621 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1622 ZOOM_connection_close(c);
1624 if (cret == zoom_complete)
1626 yaz_log(c->log_details, "removing tasks in handle_http");
1627 ZOOM_connection_remove_task(c);
1631 if (!strcmp(hres->version, "1.0"))
1633 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1634 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1639 /* HTTP 1.1: only if no close we stay alive.. */
1640 if (connection_head && !strcmp(connection_head, "close"))
1645 ZOOM_connection_close(c);
1648 c->tasks->running = 0;
1649 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1650 c->reconnect_ok = 0;
1657 static int do_read(ZOOM_connection c)
1662 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1663 ZOOM_connection_put_event(c, event);
1665 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1666 more = cs_more(c->cs);
1667 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1672 if (!ZOOM_test_reconnect(c))
1674 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1675 ZOOM_connection_close(c);
1683 odr_reset(c->odr_in);
1684 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1685 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1686 ZOOM_connection_put_event(c, event);
1688 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1691 int err = odr_geterrorx(c->odr_in, &x);
1693 const char *element = odr_getelement(c->odr_in);
1694 yaz_snprintf(msg, sizeof(msg),
1695 "ODR code %d:%d element=%s offset=%d",
1696 err, x, element ? element : "<unknown>",
1697 odr_offset(c->odr_in));
1698 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1701 FILE *ber_file = yaz_log_file();
1703 odr_dumpBER(ber_file, c->buf_in, r);
1705 ZOOM_connection_close(c);
1710 z_GDU(c->odr_print, &gdu, 0, 0);
1711 if (gdu->which == Z_GDU_Z3950)
1712 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1713 else if (gdu->which == Z_GDU_HTTP_Response)
1716 handle_http(c, gdu->u.HTTP_Response);
1718 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1719 ZOOM_connection_close(c);
1723 c->reconnect_ok = 0;
1728 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1733 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1734 ZOOM_connection_put_event(c, event);
1736 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1737 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1739 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1740 if (ZOOM_test_reconnect(c))
1742 return zoom_pending;
1744 if (c->state == STATE_CONNECTING)
1745 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1747 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1748 ZOOM_connection_close(c);
1749 return zoom_complete;
1753 int mask = ZOOM_SELECT_EXCEPT;
1754 if (c->cs->io_pending & CS_WANT_WRITE)
1755 mask += ZOOM_SELECT_WRITE;
1756 if (c->cs->io_pending & CS_WANT_READ)
1757 mask += ZOOM_SELECT_READ;
1758 ZOOM_connection_set_mask(c, mask);
1759 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1764 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1765 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1768 return zoom_pending;
1771 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1773 return do_write_ex(c, c->buf_out, c->len_out);
1777 ZOOM_API(const char *)
1778 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1780 return ZOOM_options_get(c->options, key);
1783 ZOOM_API(const char *)
1784 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1786 return ZOOM_options_getl(c->options, key, lenp);
1790 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1793 ZOOM_options_set(c->options, key, val);
1797 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1798 const char *val, int len)
1800 ZOOM_options_setl(c->options, key, val, len);
1803 ZOOM_API(const char *)
1804 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1806 return ZOOM_options_get(r->options, key);
1810 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1813 ZOOM_options_set(r->options, key, val);
1818 ZOOM_connection_errcode(ZOOM_connection c)
1820 return ZOOM_connection_error(c, 0, 0);
1823 ZOOM_API(const char *)
1824 ZOOM_connection_errmsg(ZOOM_connection c)
1827 ZOOM_connection_error(c, &msg, 0);
1831 ZOOM_API(const char *)
1832 ZOOM_connection_addinfo(ZOOM_connection c)
1834 const char *addinfo;
1835 ZOOM_connection_error(c, 0, &addinfo);
1839 ZOOM_API(const char *)
1840 ZOOM_connection_diagset(ZOOM_connection c)
1842 const char *diagset;
1843 ZOOM_connection_error_x(c, 0, 0, &diagset);
1847 ZOOM_API(const char *)
1848 ZOOM_diag_str(int error)
1852 case ZOOM_ERROR_NONE:
1854 case ZOOM_ERROR_CONNECT:
1855 return "Connect failed";
1856 case ZOOM_ERROR_MEMORY:
1857 return "Out of memory";
1858 case ZOOM_ERROR_ENCODE:
1859 return "Encoding failed";
1860 case ZOOM_ERROR_DECODE:
1861 return "Decoding failed";
1862 case ZOOM_ERROR_CONNECTION_LOST:
1863 return "Connection lost";
1864 case ZOOM_ERROR_INIT:
1865 return "Init rejected";
1866 case ZOOM_ERROR_INTERNAL:
1867 return "Internal failure";
1868 case ZOOM_ERROR_TIMEOUT:
1870 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1871 return "Unsupported protocol";
1872 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1873 return "Unsupported query type";
1874 case ZOOM_ERROR_INVALID_QUERY:
1875 return "Invalid query";
1876 case ZOOM_ERROR_CQL_PARSE:
1877 return "CQL parsing error";
1878 case ZOOM_ERROR_CQL_TRANSFORM:
1879 return "CQL transformation error";
1880 case ZOOM_ERROR_CCL_CONFIG:
1881 return "CCL configuration error";
1882 case ZOOM_ERROR_CCL_PARSE:
1883 return "CCL parsing error";
1885 return diagbib1_str(error);
1890 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1891 const char **addinfo, const char **diagset)
1893 int error = c->error;
1896 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1897 *cp = ZOOM_diag_str(error);
1898 else if (!strcmp(c->diagset, "HTTP"))
1899 *cp = z_HTTP_errmsg(c->error);
1900 else if (!strcmp(c->diagset, "Bib-1"))
1901 *cp = ZOOM_diag_str(error);
1902 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1903 *cp = yaz_diag_srw_str(c->error);
1905 *cp = "Unknown error and diagnostic set";
1908 *addinfo = c->addinfo ? c->addinfo : "";
1910 *diagset = c->diagset ? c->diagset : "";
1915 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1916 const char **addinfo)
1918 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1921 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1923 ZOOM_Event event = 0;
1924 int r = cs_look(c->cs);
1925 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1930 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1931 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1932 ZOOM_connection_close(c);
1933 ZOOM_connection_put_event(c, event);
1935 else if (r == CS_CONNECT)
1937 int ret = ret = cs_rcvconnect(c->cs);
1938 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1939 "cs_rcvconnect returned %d", c, ret);
1942 int mask = ZOOM_SELECT_EXCEPT;
1943 if (c->cs->io_pending & CS_WANT_WRITE)
1944 mask += ZOOM_SELECT_WRITE;
1945 if (c->cs->io_pending & CS_WANT_READ)
1946 mask += ZOOM_SELECT_READ;
1947 ZOOM_connection_set_mask(c, mask);
1948 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1949 ZOOM_connection_put_event(c, event);
1953 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1954 ZOOM_connection_put_event(c, event);
1956 if (c->proto == PROTO_Z3950)
1957 ZOOM_connection_Z3950_send_init(c);
1960 /* no init request for SRW .. */
1961 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1962 ZOOM_connection_remove_task(c);
1963 ZOOM_connection_set_mask(c, 0);
1964 ZOOM_connection_exec_task(c);
1966 c->state = STATE_ESTABLISHED;
1970 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1971 ZOOM_connection_close(c);
1976 if (mask & ZOOM_SELECT_EXCEPT)
1978 if (!ZOOM_test_reconnect(c))
1980 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1981 ZOOM_connection_close(c);
1985 if (mask & ZOOM_SELECT_READ)
1987 if (c->cs && (mask & ZOOM_SELECT_WRITE))
1993 ZOOM_connection_last_event(ZOOM_connection cs)
1996 return ZOOM_EVENT_NONE;
1997 return cs->last_event;
2001 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
2005 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2006 /* timeout and this connection was waiting */
2007 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
2008 ZOOM_connection_close(c);
2009 ZOOM_connection_put_event(c, event);
2015 ZOOM_connection_process(ZOOM_connection c)
2021 event = ZOOM_connection_get_event(c);
2024 ZOOM_Event_destroy(event);
2027 ZOOM_connection_exec_task(c);
2028 event = ZOOM_connection_get_event(c);
2031 ZOOM_Event_destroy(event);
2038 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2042 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2044 for (i = 0; i<no; i++)
2046 ZOOM_connection c = cs[i];
2048 if (c && ZOOM_connection_process(c))
2054 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2056 if (c->mask && mask)
2057 ZOOM_connection_do_io(c, mask);
2061 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2064 return cs_fileno(c->cs);
2068 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2076 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2083 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2085 return ZOOM_options_get_int(c->options, "timeout", 30);
2088 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2093 ZOOM_connection_set_mask(c, 0);
2094 c->state = STATE_IDLE;
2100 * c-file-style: "Stroustrup"
2101 * indent-tabs-mode: nil
2103 * vim: shiftwidth=4 tabstop=8 expandtab