1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2011 Index Data
3 * See the file LICENSE for details.
7 * \brief Implements ZOOM C interface.
18 #include <yaz/yaz-util.h>
19 #include <yaz/xmalloc.h>
20 #include <yaz/otherinfo.h>
22 #include <yaz/diagbib1.h>
23 #include <yaz/charneg.h>
24 #include <yaz/query-charset.h>
25 #include <yaz/snprintf.h>
26 #include <yaz/facet.h>
28 #include <yaz/shptr.h>
34 static int log_api0 = 0;
35 static int log_details0 = 0;
37 static void resultset_destroy(ZOOM_resultset r);
38 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out);
40 static void initlog(void)
42 static int log_level_initialized = 0;
44 if (!log_level_initialized)
46 log_api0 = yaz_log_module_level("zoom");
47 log_details0 = yaz_log_module_level("zoomdetails");
48 log_level_initialized = 1;
52 void ZOOM_connection_remove_tasks(ZOOM_connection c);
54 void ZOOM_set_dset_error(ZOOM_connection c, int error,
56 const char *addinfo, const char *addinfo2)
63 if (!c->diagset || strcmp(dset, c->diagset))
66 c->diagset = xstrdup(dset);
67 /* remove integer part from SRW diagset .. */
68 if ((cp = strrchr(c->diagset, '/')))
71 if (addinfo && addinfo2)
73 c->addinfo = (char*) xmalloc(strlen(addinfo) + strlen(addinfo2) + 3);
74 strcpy(c->addinfo, addinfo);
75 strcat(c->addinfo, ": ");
76 strcat(c->addinfo, addinfo2);
79 c->addinfo = xstrdup(addinfo);
80 if (error != ZOOM_ERROR_NONE)
82 yaz_log(c->log_api, "%p set_dset_error %s %s:%d %s %s",
83 c, c->host_port ? c->host_port : "<>", dset, error,
84 addinfo ? addinfo : "",
85 addinfo2 ? addinfo2 : "");
86 ZOOM_connection_remove_tasks(c);
90 int ZOOM_uri_to_code(const char *uri)
94 if ((cp = strrchr(uri, '/')))
101 void ZOOM_set_error(ZOOM_connection c, int error, const char *addinfo)
103 ZOOM_set_dset_error(c, error, "ZOOM", addinfo, 0);
106 static void clear_error(ZOOM_connection c)
109 * If an error is tied to an operation then it's ok to clear: for
110 * example, a diagnostic returned from a search is cleared by a
111 * subsequent search. However, problems such as Connection Lost
112 * or Init Refused are not cleared, because they are not
113 * recoverable: doing another search doesn't help.
116 ZOOM_connection_remove_events(c);
119 case ZOOM_ERROR_CONNECT:
120 case ZOOM_ERROR_MEMORY:
121 case ZOOM_ERROR_DECODE:
122 case ZOOM_ERROR_CONNECTION_LOST:
123 case ZOOM_ERROR_INIT:
124 case ZOOM_ERROR_INTERNAL:
125 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
128 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
132 void ZOOM_connection_show_task(ZOOM_task task)
136 case ZOOM_TASK_SEARCH:
137 yaz_log(YLOG_LOG, "search p=%p", task);
139 case ZOOM_TASK_RETRIEVE:
140 yaz_log(YLOG_LOG, "retrieve p=%p", task);
142 case ZOOM_TASK_CONNECT:
143 yaz_log(YLOG_LOG, "connect p=%p", task);
146 yaz_log(YLOG_LOG, "scan p=%p", task);
151 void ZOOM_connection_show_tasks(ZOOM_connection c)
154 yaz_log(YLOG_LOG, "connection p=%p tasks", c);
155 for (task = c->tasks; task; task = task->next)
156 ZOOM_connection_show_task(task);
159 ZOOM_task ZOOM_connection_add_task(ZOOM_connection c, int which)
161 ZOOM_task *taskp = &c->tasks;
163 taskp = &(*taskp)->next;
164 *taskp = (ZOOM_task) xmalloc(sizeof(**taskp));
165 (*taskp)->running = 0;
166 (*taskp)->which = which;
172 ZOOM_API(int) ZOOM_connection_is_idle(ZOOM_connection c)
174 return c->tasks ? 0 : 1;
177 ZOOM_task ZOOM_connection_insert_task(ZOOM_connection c, int which)
179 ZOOM_task task = (ZOOM_task) xmalloc(sizeof(*task));
181 task->next = c->tasks;
189 void ZOOM_connection_remove_task(ZOOM_connection c)
191 ZOOM_task task = c->tasks;
195 c->tasks = task->next;
198 case ZOOM_TASK_SEARCH:
199 resultset_destroy(task->u.search.resultset);
200 xfree(task->u.search.syntax);
201 xfree(task->u.search.elementSetName);
203 case ZOOM_TASK_RETRIEVE:
204 resultset_destroy(task->u.retrieve.resultset);
205 xfree(task->u.retrieve.syntax);
206 xfree(task->u.retrieve.elementSetName);
208 case ZOOM_TASK_CONNECT:
211 ZOOM_scanset_destroy(task->u.scan.scan);
213 case ZOOM_TASK_PACKAGE:
214 ZOOM_package_destroy(task->u.package);
217 resultset_destroy(task->u.sort.resultset);
218 ZOOM_query_destroy(task->u.sort.q);
227 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_END);
228 ZOOM_connection_put_event(c, event);
233 void ZOOM_connection_remove_tasks(ZOOM_connection c)
236 ZOOM_connection_remove_task(c);
240 ZOOM_API(ZOOM_connection)
241 ZOOM_connection_create(ZOOM_options options)
243 ZOOM_connection c = (ZOOM_connection) xmalloc(sizeof(*c));
247 c->log_api = log_api0;
248 c->log_details = log_details0;
250 yaz_log(c->log_api, "%p ZOOM_connection_create", c);
252 c->proto = PROTO_Z3950;
254 ZOOM_connection_set_mask(c, 0);
256 c->state = STATE_IDLE;
259 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
266 c->options = ZOOM_options_create_with_parent(options);
272 c->charset = c->lang = 0;
283 c->maximum_record_size = 0;
284 c->preferred_message_size = 0;
286 c->odr_in = odr_createmem(ODR_DECODE);
287 c->odr_out = odr_createmem(ODR_ENCODE);
291 c->support_named_resultsets = 0;
292 c->last_event = ZOOM_EVENT_NONE;
294 c->m_queue_front = 0;
303 /* set database names. Take local databases (if set); otherwise
304 take databases given in ZURL (if set); otherwise use Default */
305 char **ZOOM_connection_get_databases(ZOOM_connection con, ZOOM_options options,
308 char **databaseNames;
309 const char *cp = ZOOM_options_get(options, "databaseName");
311 if ((!cp || !*cp) && con->host_port)
313 if (strncmp(con->host_port, "unix:", 5) == 0)
314 cp = strchr(con->host_port+5, ':');
316 cp = strchr(con->host_port, '/');
322 nmem_strsplit(odr_getmem(odr), "+", cp, &databaseNames, num);
323 return databaseNames;
326 ZOOM_API(ZOOM_connection)
327 ZOOM_connection_new(const char *host, int portnum)
329 ZOOM_connection c = ZOOM_connection_create(0);
331 ZOOM_connection_connect(c, host, portnum);
335 static zoom_sru_mode get_sru_mode_from_string(const char *s)
338 return zoom_sru_soap;
339 if (!yaz_matchstr(s, "soap"))
340 return zoom_sru_soap;
341 else if (!yaz_matchstr(s, "get"))
343 else if (!yaz_matchstr(s, "post"))
344 return zoom_sru_post;
345 else if (!yaz_matchstr(s, "solr"))
346 return zoom_sru_solr;
347 return zoom_sru_error;
351 ZOOM_connection_connect(ZOOM_connection c,
352 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, "tproxy");
398 yaz_log(c->log_details, "%p ZOOM_connection_connect tproxy=%s", c, val);
399 c->tproxy = xstrdup(val);
405 val = ZOOM_options_get(c->options, "charset");
408 yaz_log(c->log_details, "%p ZOOM_connection_connect charset=%s", c, val);
409 c->charset = xstrdup(val);
413 val = ZOOM_options_get(c->options, "lang");
416 yaz_log(c->log_details, "%p ZOOM_connection_connect lang=%s", c, val);
417 c->lang = xstrdup(val);
428 sprintf(hostn, "%.80s:%d", host, portnum);
429 c->host_port = xstrdup(hostn);
432 c->host_port = xstrdup(host);
437 * If the "<scheme>:" part of the host string is preceded by one
438 * or more comma-separated <name>=<value> pairs, these are taken
439 * to be options to be set on the connection object. Among other
440 * applications, this facility can be used to embed authentication
442 * user=admin,password=secret,tcp:localhost:9999
444 char *remainder = c->host_port;
445 char *pcolon = strchr(remainder, ':');
448 while ((pcomma = strchr(remainder, ',')) != 0 &&
449 (pcolon == 0 || pcomma < pcolon)) {
451 if ((pequals = strchr(remainder, '=')) != 0) {
453 /*printf("# setting '%s'='%s'\n", remainder, pequals+1);*/
454 ZOOM_connection_option_set(c, remainder, pequals+1);
456 remainder = pcomma+1;
459 if (remainder != c->host_port) {
461 c->host_port = xstrdup(remainder);
462 /*printf("# reset hp='%s'\n", remainder);*/
466 val = ZOOM_options_get(c->options, "sru");
467 c->sru_mode = get_sru_mode_from_string(val);
469 xfree(c->sru_version);
470 val = ZOOM_options_get(c->options, "sru_version");
471 c->sru_version = xstrdup(val ? val : "1.2");
473 ZOOM_options_set(c->options, "host", c->host_port);
475 xfree(c->cookie_out);
477 val = ZOOM_options_get(c->options, "cookie");
480 yaz_log(c->log_details, "%p ZOOM_connection_connect cookie=%s", c, val);
481 c->cookie_out = xstrdup(val);
486 val = ZOOM_options_get(c->options, "clientIP");
489 yaz_log(c->log_details, "%p ZOOM_connection_connect clientIP=%s",
491 c->client_IP = xstrdup(val);
496 val = ZOOM_options_get(c->options, "group");
498 c->group = xstrdup(val);
502 val = ZOOM_options_get(c->options, "user");
504 c->user = xstrdup(val);
508 val = ZOOM_options_get(c->options, "password");
510 val = ZOOM_options_get(c->options, "pass");
513 c->password = xstrdup(val);
515 c->maximum_record_size =
516 ZOOM_options_get_int(c->options, "maximumRecordSize", 1024*1024);
517 c->preferred_message_size =
518 ZOOM_options_get_int(c->options, "preferredMessageSize", 1024*1024);
520 c->async = ZOOM_options_get_bool(c->options, "async", 0);
522 if (c->sru_mode == zoom_sru_error)
524 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, val);
525 ZOOM_connection_remove_tasks(c);
529 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
530 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
534 while (ZOOM_event(1, &c))
539 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
541 #if ZOOM_RESULT_LISTS
545 /* remove ourselves from the resultsets in connection */
546 ZOOM_resultset *rp = &r->connection->resultsets;
549 assert(*rp); /* we must be in this list!! */
551 { /* OK, we're here - take us out of it */
563 ZOOM_connection_destroy(ZOOM_connection c)
565 #if ZOOM_RESULT_LISTS
566 ZOOM_resultsets list;
572 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
576 #if ZOOM_RESULT_LISTS
577 /* Remove the connection's usage of resultsets */
578 list = c->resultsets;
580 ZOOM_resultsets removed = list;
581 ZOOM_resultset_destroy(list->resultset);
586 for (r = c->resultsets; r; r = r->next)
593 odr_destroy(c->odr_in);
594 odr_destroy(c->odr_out);
597 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
598 odr_destroy(c->odr_print);
600 ZOOM_options_destroy(c->options);
601 ZOOM_connection_remove_tasks(c);
602 ZOOM_connection_remove_events(c);
608 xfree(c->cookie_out);
614 xfree(c->sru_version);
618 void ZOOM_resultset_addref(ZOOM_resultset r)
622 yaz_mutex_enter(r->mutex);
624 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
626 yaz_mutex_leave(r->mutex);
630 static int g_resultsets = 0;
631 static YAZ_MUTEX g_resultset_mutex = 0;
633 /* TODO We need to initialize this before running threaded:
634 * call resultset_use(0) */
636 static int resultset_use(int delta) {
638 if (g_resultset_mutex == 0)
639 yaz_mutex_create(&g_resultset_mutex);
640 yaz_mutex_enter(g_resultset_mutex);
641 g_resultsets += delta;
642 resultset_count = g_resultsets;
643 yaz_mutex_leave(g_resultset_mutex);
644 return resultset_count;
647 int resultsets_count(void) {
648 return resultset_use(0);
651 ZOOM_resultset ZOOM_resultset_create(void)
654 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
658 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
661 r->odr = odr_createmem(ODR_ENCODE);
666 for (i = 0; i<RECORD_HASH_SIZE; i++)
667 r->record_hash[i] = 0;
671 r->databaseNames = 0;
672 r->num_databaseNames = 0;
677 yaz_mutex_create(&r->mutex);
680 WRBUF w = wrbuf_alloc();
681 YAZ_SHPTR_INIT(r->record_wrbuf, w);
688 ZOOM_API(ZOOM_resultset)
689 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
692 ZOOM_query s = ZOOM_query_create();
694 ZOOM_query_prefix(s, q);
696 r = ZOOM_connection_search(c, s);
697 ZOOM_query_destroy(s);
701 ZOOM_API(ZOOM_resultset)
702 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
704 ZOOM_resultset r = ZOOM_resultset_create();
708 const char *syntax, *elementSetName;
709 #if ZOOM_RESULT_LISTS
713 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
714 r->r_sort_spec = ZOOM_query_get_sortspec(q);
717 r->options = ZOOM_options_create_with_parent(c->options);
719 start = ZOOM_options_get_int(r->options, "start", 0);
720 count = ZOOM_options_get_int(r->options, "count", 0);
722 /* If "presentChunk" is defined use that; otherwise "step" */
723 const char *cp = ZOOM_options_get(r->options, "presentChunk");
724 r->step = ZOOM_options_get_int(r->options,
725 (cp != 0 ? "presentChunk": "step"), 0);
727 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
728 cp = ZOOM_options_get(r->options, "setname");
730 r->setname = xstrdup(cp);
731 cp = ZOOM_options_get(r->options, "schema");
733 r->schema = xstrdup(cp);
735 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
740 #if ZOOM_RESULT_LISTS
741 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
742 set = xmalloc(sizeof(*set));
743 ZOOM_resultset_addref(r);
745 set->next = c->resultsets;
748 r->next = c->resultsets;
751 if (c->host_port && c->proto == PROTO_HTTP)
755 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
756 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
760 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
765 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
766 task->u.search.resultset = r;
767 task->u.search.start = start;
768 task->u.search.count = count;
769 task->u.search.recv_search_fired = 0;
771 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
772 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
773 elementSetName = ZOOM_options_get(r->options, "elementSetName");
774 task->u.search.elementSetName = elementSetName
775 ? xstrdup(elementSetName) : 0;
777 ZOOM_resultset_addref(r);
779 ZOOM_query_addref(q);
783 while (ZOOM_event(1, &c))
790 ZOOM_resultset_sort(ZOOM_resultset r,
791 const char *sort_type, const char *sort_spec)
793 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
797 ZOOM_resultset_sort1(ZOOM_resultset r,
798 const char *sort_type, const char *sort_spec)
800 ZOOM_connection c = r->connection;
804 newq = ZOOM_query_create();
805 if (ZOOM_query_sortby(newq, sort_spec) < 0)
808 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
809 r, r, sort_type, sort_spec);
813 if (c->host_port && c->proto == PROTO_HTTP)
817 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
818 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
822 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
828 ZOOM_resultset_cache_reset(r);
829 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
830 task->u.sort.resultset = r;
831 task->u.sort.q = newq;
833 ZOOM_resultset_addref(r);
837 while (ZOOM_event(1, &c))
845 ZOOM_resultset_destroy(ZOOM_resultset r)
847 resultset_destroy(r);
850 static void resultset_destroy(ZOOM_resultset r)
854 yaz_mutex_enter(r->mutex);
856 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
858 if (r->refcount == 0)
860 yaz_mutex_leave(r->mutex);
862 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
863 ZOOM_resultset_cache_reset(r);
864 ZOOM_resultset_release(r);
865 ZOOM_query_destroy(r->query);
866 ZOOM_options_destroy(r->options);
870 yaz_mutex_destroy(&r->mutex);
872 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
878 yaz_mutex_leave(r->mutex);
882 ZOOM_resultset_size(ZOOM_resultset r)
887 int ZOOM_test_reconnect(ZOOM_connection c)
891 if (!c->reconnect_ok)
893 ZOOM_connection_close(c);
895 c->tasks->running = 0;
896 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
898 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
899 ZOOM_connection_put_event(c, event);
904 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
905 int force_sync, int start, int count)
910 const char *syntax, *elementSetName;
914 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
915 " count=%d", r, force_sync, start, count);
920 if (c->host_port && c->proto == PROTO_HTTP)
924 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
925 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
929 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
934 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
935 task->u.retrieve.resultset = r;
936 task->u.retrieve.start = start;
937 task->u.retrieve.count = count;
939 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
940 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
941 elementSetName = ZOOM_options_get(r->options, "elementSetName");
942 task->u.retrieve.elementSetName = elementSetName
943 ? xstrdup(elementSetName) : 0;
945 cp = ZOOM_options_get(r->options, "schema");
948 if (!r->schema || strcmp(r->schema, cp))
951 r->schema = xstrdup(cp);
955 ZOOM_resultset_addref(r);
957 if (!r->connection->async || force_sync)
958 while (r->connection && ZOOM_event(1, &r->connection))
963 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
964 size_t start, size_t count)
966 int force_present = 0;
970 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
971 r, r, (long) start, (long) count);
974 ZOOM_resultset_retrieve(r, force_present, start, count);
978 for (i = 0; i< count; i++)
979 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
984 ZOOM_resultset_facets_size(ZOOM_resultset r) {
985 return r->num_facets;
988 ZOOM_API(ZOOM_facet_field)
989 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
990 int num = r->num_facets;
991 ZOOM_facet_field *facets = r->facets;
993 for (index = 0; index < num; index++) {
994 if (!strcmp(facets[index]->facet_name, name)) {
995 return facets[index];
1002 ZOOM_API(ZOOM_facet_field *)
1003 ZOOM_resultset_facets(ZOOM_resultset r)
1008 ZOOM_API(const char**)
1009 ZOOM_resultset_facet_names(ZOOM_resultset r)
1011 return (const char **) r->facets_names;
1014 ZOOM_API(const char*)
1015 ZOOM_facet_field_name(ZOOM_facet_field field)
1017 return field->facet_name;
1021 ZOOM_facet_field_term_count(ZOOM_facet_field field)
1023 return field->num_terms;
1026 ZOOM_API(const char*)
1027 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
1028 *freq = field->facet_terms[idx].frequency;
1029 return field->facet_terms[idx].term;
1033 static void get_cert(ZOOM_connection c)
1038 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
1040 ZOOM_connection_option_setl(c, "sslPeerCert",
1041 cert_buf, cert_len);
1046 static zoom_ret do_connect_host(ZOOM_connection c,
1047 const char *logical_url);
1049 static zoom_ret do_connect(ZOOM_connection c)
1051 return do_connect_host(c, c->host_port);
1054 static zoom_ret do_connect_host(ZOOM_connection c, const char *logical_url)
1060 c->cs = cs_create_host_proxy(logical_url, 0, &add,
1061 c->tproxy ? c->tproxy : c->proxy);
1063 if (c->cs && c->cs->protocol == PROTO_HTTP)
1066 c->proto = PROTO_HTTP;
1068 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1069 ZOOM_connection_close(c);
1070 return zoom_complete;
1075 int ret = cs_connect(c->cs, add);
1078 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1079 ZOOM_connection_put_event(c, event);
1081 if (c->proto == PROTO_Z3950)
1082 ZOOM_connection_Z3950_send_init(c);
1085 /* no init request for SRW .. */
1086 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1087 ZOOM_connection_remove_task(c);
1088 ZOOM_connection_set_mask(c, 0);
1089 ZOOM_connection_exec_task(c);
1091 c->state = STATE_ESTABLISHED;
1092 return zoom_pending;
1096 int mask = ZOOM_SELECT_EXCEPT;
1097 if (c->cs->io_pending & CS_WANT_WRITE)
1098 mask += ZOOM_SELECT_WRITE;
1099 if (c->cs->io_pending & CS_WANT_READ)
1100 mask += ZOOM_SELECT_READ;
1101 ZOOM_connection_set_mask(c, mask);
1102 c->state = STATE_CONNECTING;
1103 return zoom_pending;
1106 c->state = STATE_IDLE;
1107 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1108 return zoom_complete;
1111 /* returns 1 if PDU was sent OK (still pending )
1112 0 if PDU was not sent OK (nothing to wait for)
1115 ZOOM_API(ZOOM_record)
1116 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1118 const char *syntax =
1119 ZOOM_options_get(s->options, "preferredRecordSyntax");
1120 const char *elementSetName =
1121 ZOOM_options_get(s->options, "elementSetName");
1123 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1126 ZOOM_API(ZOOM_record)
1127 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1129 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1134 * MIKE: I think force_sync should always be zero, but I don't
1135 * want to make this change until I get the go-ahead from
1136 * Adam, in case something depends on the old synchronous
1140 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1141 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1142 rec = ZOOM_resultset_record_immediate(r, pos);
1147 ZOOM_API(ZOOM_scanset)
1148 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1151 ZOOM_query q = ZOOM_query_create();
1153 ZOOM_query_prefix(q, start);
1155 s = ZOOM_connection_scan1(c, q);
1156 ZOOM_query_destroy(q);
1161 ZOOM_API(ZOOM_scanset)
1162 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1164 ZOOM_scanset scan = 0;
1165 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1169 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1170 scan->connection = c;
1171 scan->odr = odr_createmem(ODR_DECODE);
1172 scan->options = ZOOM_options_create_with_parent(c->options);
1174 scan->scan_response = 0;
1175 scan->srw_scan_response = 0;
1178 ZOOM_query_addref(q);
1179 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1180 &scan->num_databaseNames,
1185 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1186 task->u.scan.scan = scan;
1191 while (ZOOM_event(1, &c))
1199 ZOOM_scanset_destroy(ZOOM_scanset scan)
1204 if (scan->refcount == 0)
1206 ZOOM_query_destroy(scan->query);
1208 odr_destroy(scan->odr);
1210 ZOOM_options_destroy(scan->options);
1215 static zoom_ret send_package(ZOOM_connection c)
1219 yaz_log(c->log_details, "%p send_package", c);
1221 return zoom_complete;
1222 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1224 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1225 ZOOM_connection_put_event(c, event);
1227 c->buf_out = c->tasks->u.package->buf_out;
1228 c->len_out = c->tasks->u.package->len_out;
1230 return ZOOM_send_buf(c);
1234 ZOOM_scanset_size(ZOOM_scanset scan)
1239 if (scan->scan_response && scan->scan_response->entries)
1240 return scan->scan_response->entries->num_entries;
1241 else if (scan->srw_scan_response)
1242 return scan->srw_scan_response->num_terms;
1246 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1248 const char **value_term, size_t *value_len,
1249 const char **disp_term, size_t *disp_len)
1251 size_t noent = ZOOM_scanset_size(scan);
1262 if (scan->scan_response)
1264 Z_ScanResponse *res = scan->scan_response;
1265 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1267 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1269 *value_term = (const char *) t->term->u.general->buf;
1270 *value_len = t->term->u.general->len;
1273 *disp_term = t->displayTerm;
1274 *disp_len = strlen(*disp_term);
1276 else if (t->term->which == Z_Term_general)
1278 *disp_term = (const char *) t->term->u.general->buf;
1279 *disp_len = t->term->u.general->len;
1281 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1284 if (scan->srw_scan_response)
1286 Z_SRW_scanResponse *res = scan->srw_scan_response;
1287 Z_SRW_scanTerm *t = res->terms + pos;
1290 *value_term = t->value;
1291 *value_len = strlen(*value_term);
1294 *disp_term = t->displayTerm;
1296 *disp_term = t->value;
1297 *disp_len = strlen(*disp_term);
1298 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1303 ZOOM_API(const char *)
1304 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1305 size_t *occ, size_t *len)
1307 const char *value_term = 0;
1308 size_t value_len = 0;
1309 const char *disp_term = 0;
1310 size_t disp_len = 0;
1312 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1313 &disp_term, &disp_len);
1319 ZOOM_API(const char *)
1320 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1321 size_t *occ, size_t *len)
1323 const char *value_term = 0;
1324 size_t value_len = 0;
1325 const char *disp_term = 0;
1326 size_t disp_len = 0;
1328 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1329 &disp_term, &disp_len);
1335 ZOOM_API(const char *)
1336 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1338 return ZOOM_options_get(scan->options, key);
1342 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1345 ZOOM_options_set(scan->options, key, val);
1349 ZOOM_API(ZOOM_package)
1350 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1352 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1355 p->odr_out = odr_createmem(ODR_ENCODE);
1356 p->options = ZOOM_options_create_with_parent2(options, c->options);
1364 ZOOM_package_destroy(ZOOM_package p)
1369 if (p->refcount == 0)
1371 odr_destroy(p->odr_out);
1374 ZOOM_options_destroy(p->options);
1379 ZOOM_API(const char *)
1380 ZOOM_package_option_get(ZOOM_package p, const char *key)
1382 return ZOOM_options_get(p->options, key);
1385 ZOOM_API(const char *)
1386 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1388 return ZOOM_options_getl(p->options, key, lenp);
1392 ZOOM_package_option_set(ZOOM_package p, const char *key,
1395 ZOOM_options_set(p->options, key, val);
1399 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1400 const char *val, int len)
1402 ZOOM_options_setl(p->options, key, val, len);
1406 ZOOM_connection_exec_task(ZOOM_connection c)
1408 ZOOM_task task = c->tasks;
1409 zoom_ret ret = zoom_complete;
1413 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1414 c, task->which, task->running);
1415 if (c->error != ZOOM_ERROR_NONE)
1417 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1418 "removing tasks because of error = %d", c, c->error);
1419 ZOOM_connection_remove_tasks(c);
1424 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1425 "task already running", c);
1429 ret = zoom_complete;
1430 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1432 switch (task->which)
1434 case ZOOM_TASK_SEARCH:
1435 if (c->proto == PROTO_HTTP)
1436 ret = ZOOM_connection_srw_send_search(c);
1438 ret = ZOOM_connection_Z3950_send_search(c);
1440 case ZOOM_TASK_RETRIEVE:
1441 if (c->proto == PROTO_HTTP)
1442 ret = ZOOM_connection_srw_send_search(c);
1444 ret = send_Z3950_present(c);
1446 case ZOOM_TASK_CONNECT:
1447 ret = do_connect(c);
1449 case ZOOM_TASK_SCAN:
1450 if (c->proto == PROTO_HTTP)
1451 ret = ZOOM_connection_srw_send_scan(c);
1453 ret = ZOOM_connection_Z3950_send_scan(c);
1455 case ZOOM_TASK_PACKAGE:
1456 ret = send_package(c);
1458 case ZOOM_TASK_SORT:
1459 c->tasks->u.sort.resultset->r_sort_spec =
1460 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1461 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1467 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1468 "remove tasks because no connection exist", c);
1469 ZOOM_connection_remove_tasks(c);
1471 if (ret == zoom_complete)
1473 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1474 "task removed (complete)", c);
1475 ZOOM_connection_remove_task(c);
1478 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1485 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
1486 Z_HTTP_Response *cookie_hres)
1488 struct Z_HTTP_Header *h;
1489 char *combined_cookies = 0;
1490 int combined_cookies_len = 0;
1491 Z_GDU *gdu = z_get_HTTP_Request_uri(c->odr_out, uri, 0, c->proxy ? 1 : 0);
1493 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1494 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1497 for (h = cookie_hres->headers; h; h = h->next)
1499 if (!strcmp(h->name, "Set-Cookie"))
1503 if (!(cp = strchr(h->value, ';')))
1504 cp = h->value + strlen(h->value);
1505 if (cp - h->value >= 1) {
1506 combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
1507 memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
1508 combined_cookies[combined_cookies_len + cp - h->value] = '\0';
1509 strcat(combined_cookies,"; ");
1510 combined_cookies_len = strlen(combined_cookies);
1515 if (combined_cookies_len)
1517 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1518 "Cookie", combined_cookies);
1519 xfree(combined_cookies);
1522 if (c->user && c->password)
1524 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1525 c->user, c->password);
1527 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1528 return zoom_complete;
1530 z_GDU(c->odr_print, &gdu, 0, 0);
1531 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1533 odr_reset(c->odr_out);
1534 return ZOOM_send_buf(c);
1538 void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
1539 const char *addinfo, const char *addinfo2)
1541 ZOOM_set_dset_error(c, error, "HTTP", addinfo, addinfo2);
1546 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
1548 zoom_ret cret = zoom_complete;
1551 const char *connection_head = z_HTTP_header_lookup(hres->headers,
1553 const char *location;
1555 ZOOM_connection_set_mask(c, 0);
1556 yaz_log(c->log_details, "%p handle_http", c);
1558 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1559 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1562 if (c->no_redirects > 10)
1564 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1565 c->no_redirects = 0;
1566 ZOOM_connection_close(c);
1570 /* since redirect may change host we just reconnect. A smarter
1571 implementation might check whether it's the same server */
1572 do_connect_host(c, location);
1573 send_HTTP_redirect(c, location, hres);
1574 /* we're OK for now. Operation is not really complete */
1580 ret = ZOOM_handle_sru(c, hres, &cret, &addinfo);
1583 if (c->no_redirects) /* end of redirect. change hosts again */
1584 ZOOM_connection_close(c);
1586 c->no_redirects = 0;
1590 if (hres->code != 200)
1591 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1594 yaz_log(YLOG_LOG, "set error... addinfo=%s", addinfo ?
1596 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;
1630 c->reconnect_ok = 1; /* if the server closes anyway */
1635 static int do_read(ZOOM_connection c)
1640 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1641 ZOOM_connection_put_event(c, event);
1643 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1644 more = cs_more(c->cs);
1645 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1650 if (!ZOOM_test_reconnect(c))
1652 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1653 ZOOM_connection_close(c);
1661 odr_reset(c->odr_in);
1662 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1663 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1664 ZOOM_connection_put_event(c, event);
1666 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1669 int err = odr_geterrorx(c->odr_in, &x);
1671 const char *element = odr_getelement(c->odr_in);
1672 yaz_snprintf(msg, sizeof(msg),
1673 "ODR code %d:%d element=%s offset=%d",
1674 err, x, element ? element : "<unknown>",
1675 odr_offset(c->odr_in));
1676 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1679 FILE *ber_file = yaz_log_file();
1681 odr_dumpBER(ber_file, c->buf_in, r);
1683 ZOOM_connection_close(c);
1688 z_GDU(c->odr_print, &gdu, 0, 0);
1689 if (gdu->which == Z_GDU_Z3950)
1690 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1691 else if (gdu->which == Z_GDU_HTTP_Response)
1694 handle_http(c, gdu->u.HTTP_Response);
1696 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1697 ZOOM_connection_close(c);
1705 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1710 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1711 ZOOM_connection_put_event(c, event);
1713 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1714 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1716 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1717 if (ZOOM_test_reconnect(c))
1719 return zoom_pending;
1721 if (c->state == STATE_CONNECTING)
1722 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1724 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1725 ZOOM_connection_close(c);
1726 return zoom_complete;
1730 int mask = ZOOM_SELECT_EXCEPT;
1731 if (c->cs->io_pending & CS_WANT_WRITE)
1732 mask += ZOOM_SELECT_WRITE;
1733 if (c->cs->io_pending & CS_WANT_READ)
1734 mask += ZOOM_SELECT_READ;
1735 ZOOM_connection_set_mask(c, mask);
1736 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1741 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1742 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1745 return zoom_pending;
1748 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1750 return do_write_ex(c, c->buf_out, c->len_out);
1754 ZOOM_API(const char *)
1755 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
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 return ZOOM_options_getl(c->options, key, lenp);
1767 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1770 ZOOM_options_set(c->options, key, val);
1774 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1775 const char *val, int len)
1777 ZOOM_options_setl(c->options, key, val, len);
1780 ZOOM_API(const char *)
1781 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1783 return ZOOM_options_get(r->options, key);
1787 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1790 ZOOM_options_set(r->options, key, val);
1795 ZOOM_connection_errcode(ZOOM_connection c)
1797 return ZOOM_connection_error(c, 0, 0);
1800 ZOOM_API(const char *)
1801 ZOOM_connection_errmsg(ZOOM_connection c)
1804 ZOOM_connection_error(c, &msg, 0);
1808 ZOOM_API(const char *)
1809 ZOOM_connection_addinfo(ZOOM_connection c)
1811 const char *addinfo;
1812 ZOOM_connection_error(c, 0, &addinfo);
1816 ZOOM_API(const char *)
1817 ZOOM_connection_diagset(ZOOM_connection c)
1819 const char *diagset;
1820 ZOOM_connection_error_x(c, 0, 0, &diagset);
1824 ZOOM_API(const char *)
1825 ZOOM_diag_str(int error)
1829 case ZOOM_ERROR_NONE:
1831 case ZOOM_ERROR_CONNECT:
1832 return "Connect failed";
1833 case ZOOM_ERROR_MEMORY:
1834 return "Out of memory";
1835 case ZOOM_ERROR_ENCODE:
1836 return "Encoding failed";
1837 case ZOOM_ERROR_DECODE:
1838 return "Decoding failed";
1839 case ZOOM_ERROR_CONNECTION_LOST:
1840 return "Connection lost";
1841 case ZOOM_ERROR_INIT:
1842 return "Init rejected";
1843 case ZOOM_ERROR_INTERNAL:
1844 return "Internal failure";
1845 case ZOOM_ERROR_TIMEOUT:
1847 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1848 return "Unsupported protocol";
1849 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1850 return "Unsupported query type";
1851 case ZOOM_ERROR_INVALID_QUERY:
1852 return "Invalid query";
1853 case ZOOM_ERROR_CQL_PARSE:
1854 return "CQL parsing error";
1855 case ZOOM_ERROR_CQL_TRANSFORM:
1856 return "CQL transformation error";
1857 case ZOOM_ERROR_CCL_CONFIG:
1858 return "CCL configuration error";
1859 case ZOOM_ERROR_CCL_PARSE:
1860 return "CCL parsing error";
1861 case ZOOM_ERROR_ES_INVALID_ACTION:
1862 return "Extended Service. invalid action";
1863 case ZOOM_ERROR_ES_INVALID_VERSION:
1864 return "Extended Service. invalid version";
1865 case ZOOM_ERROR_ES_INVALID_SYNTAX:
1866 return "Extended Service. invalid syntax";
1868 return diagbib1_str(error);
1873 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1874 const char **addinfo, const char **diagset)
1876 int error = c->error;
1879 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1880 *cp = ZOOM_diag_str(error);
1881 else if (!strcmp(c->diagset, "HTTP"))
1882 *cp = z_HTTP_errmsg(c->error);
1883 else if (!strcmp(c->diagset, "Bib-1"))
1884 *cp = ZOOM_diag_str(error);
1885 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1886 *cp = yaz_diag_srw_str(c->error);
1888 *cp = "Unknown error and diagnostic set";
1891 *addinfo = c->addinfo ? c->addinfo : "";
1893 *diagset = c->diagset ? c->diagset : "";
1898 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1899 const char **addinfo)
1901 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1904 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1906 ZOOM_Event event = 0;
1907 int r = cs_look(c->cs);
1908 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1913 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1914 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1915 ZOOM_connection_close(c);
1916 ZOOM_connection_put_event(c, event);
1918 else if (r == CS_CONNECT)
1920 int ret = ret = cs_rcvconnect(c->cs);
1921 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1922 "cs_rcvconnect returned %d", c, ret);
1925 int mask = ZOOM_SELECT_EXCEPT;
1926 if (c->cs->io_pending & CS_WANT_WRITE)
1927 mask += ZOOM_SELECT_WRITE;
1928 if (c->cs->io_pending & CS_WANT_READ)
1929 mask += ZOOM_SELECT_READ;
1930 ZOOM_connection_set_mask(c, mask);
1931 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1932 ZOOM_connection_put_event(c, event);
1936 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1937 ZOOM_connection_put_event(c, event);
1939 if (c->proto == PROTO_Z3950)
1940 ZOOM_connection_Z3950_send_init(c);
1943 /* no init request for SRW .. */
1944 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1945 ZOOM_connection_remove_task(c);
1946 ZOOM_connection_set_mask(c, 0);
1947 ZOOM_connection_exec_task(c);
1949 c->state = STATE_ESTABLISHED;
1953 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1954 ZOOM_connection_close(c);
1959 if (mask & ZOOM_SELECT_EXCEPT)
1961 if (!ZOOM_test_reconnect(c))
1963 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1964 ZOOM_connection_close(c);
1968 if (mask & ZOOM_SELECT_READ)
1970 if (c->cs && (mask & ZOOM_SELECT_WRITE))
1976 ZOOM_connection_last_event(ZOOM_connection cs)
1979 return ZOOM_EVENT_NONE;
1980 return cs->last_event;
1984 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
1988 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
1989 /* timeout and this connection was waiting */
1990 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
1991 ZOOM_connection_close(c);
1992 ZOOM_connection_put_event(c, event);
1998 ZOOM_connection_process(ZOOM_connection c)
2004 event = ZOOM_connection_get_event(c);
2007 ZOOM_Event_destroy(event);
2010 ZOOM_connection_exec_task(c);
2011 event = ZOOM_connection_get_event(c);
2014 ZOOM_Event_destroy(event);
2021 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2025 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2027 for (i = 0; i<no; i++)
2029 ZOOM_connection c = cs[i];
2031 if (c && ZOOM_connection_process(c))
2037 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2039 if (c->mask && mask)
2040 ZOOM_connection_do_io(c, mask);
2044 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2047 return cs_fileno(c->cs);
2051 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2059 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2066 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2068 return ZOOM_options_get_int(c->options, "timeout", 30);
2071 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2076 ZOOM_connection_set_mask(c, 0);
2077 c->state = STATE_IDLE;
2083 * c-file-style: "Stroustrup"
2084 * indent-tabs-mode: nil
2086 * vim: shiftwidth=4 tabstop=8 expandtab