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)
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 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 static int g_resultsets = 0;
613 static YAZ_MUTEX g_resultset_mutex = 0;
615 /* TODO We need to initialize this before running threaded:
616 * call resultset_use(0) */
618 static int resultset_use(int delta) {
620 if (g_resultset_mutex == 0)
621 yaz_mutex_create(&g_resultset_mutex);
622 yaz_mutex_enter(g_resultset_mutex);
623 g_resultsets += delta;
624 resultset_count = g_resultsets;
625 yaz_mutex_leave(g_resultset_mutex);
626 return resultset_count;
629 int resultsets_count(void) {
630 return resultset_use(0);
633 ZOOM_resultset ZOOM_resultset_create(void)
636 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
640 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
643 r->odr = odr_createmem(ODR_ENCODE);
648 for (i = 0; i<RECORD_HASH_SIZE; i++)
649 r->record_hash[i] = 0;
653 r->databaseNames = 0;
654 r->num_databaseNames = 0;
659 yaz_mutex_create(&r->mutex);
662 WRBUF w = wrbuf_alloc();
663 YAZ_SHPTR_INIT(r->record_wrbuf, w);
670 ZOOM_API(ZOOM_resultset)
671 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
674 ZOOM_query s = ZOOM_query_create();
676 ZOOM_query_prefix(s, q);
678 r = ZOOM_connection_search(c, s);
679 ZOOM_query_destroy(s);
683 ZOOM_API(ZOOM_resultset)
684 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
686 ZOOM_resultset r = ZOOM_resultset_create();
690 const char *syntax, *elementSetName;
691 #if ZOOM_RESULT_LISTS
695 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
696 r->r_sort_spec = ZOOM_query_get_sortspec(q);
699 r->options = ZOOM_options_create_with_parent(c->options);
701 start = ZOOM_options_get_int(r->options, "start", 0);
702 count = ZOOM_options_get_int(r->options, "count", 0);
704 /* If "presentChunk" is defined use that; otherwise "step" */
705 const char *cp = ZOOM_options_get(r->options, "presentChunk");
706 r->step = ZOOM_options_get_int(r->options,
707 (cp != 0 ? "presentChunk": "step"), 0);
709 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
710 cp = ZOOM_options_get(r->options, "setname");
712 r->setname = xstrdup(cp);
713 cp = ZOOM_options_get(r->options, "schema");
715 r->schema = xstrdup(cp);
717 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
722 #if ZOOM_RESULT_LISTS
723 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
724 set = xmalloc(sizeof(*set));
725 ZOOM_resultset_addref(r);
727 set->next = c->resultsets;
730 r->next = c->resultsets;
733 if (c->host_port && c->proto == PROTO_HTTP)
737 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
738 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
742 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
747 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
748 task->u.search.resultset = r;
749 task->u.search.start = start;
750 task->u.search.count = count;
751 task->u.search.recv_search_fired = 0;
753 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
754 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
755 elementSetName = ZOOM_options_get(r->options, "elementSetName");
756 task->u.search.elementSetName = elementSetName
757 ? xstrdup(elementSetName) : 0;
759 ZOOM_resultset_addref(r);
761 ZOOM_query_addref(q);
765 while (ZOOM_event(1, &c))
772 ZOOM_resultset_sort(ZOOM_resultset r,
773 const char *sort_type, const char *sort_spec)
775 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
779 ZOOM_resultset_sort1(ZOOM_resultset r,
780 const char *sort_type, const char *sort_spec)
782 ZOOM_connection c = r->connection;
786 newq = ZOOM_query_create();
787 if (ZOOM_query_sortby(newq, sort_spec) < 0)
790 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
791 r, r, sort_type, sort_spec);
795 if (c->host_port && c->proto == PROTO_HTTP)
799 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
800 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
804 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
810 ZOOM_resultset_cache_reset(r);
811 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
812 task->u.sort.resultset = r;
813 task->u.sort.q = newq;
815 ZOOM_resultset_addref(r);
819 while (ZOOM_event(1, &c))
827 ZOOM_resultset_destroy(ZOOM_resultset r)
829 resultset_destroy(r);
832 static void resultset_destroy(ZOOM_resultset r)
836 yaz_mutex_enter(r->mutex);
838 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
840 if (r->refcount == 0)
842 yaz_mutex_leave(r->mutex);
844 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
845 ZOOM_resultset_cache_reset(r);
846 ZOOM_resultset_release(r);
847 ZOOM_query_destroy(r->query);
848 ZOOM_options_destroy(r->options);
852 yaz_mutex_destroy(&r->mutex);
854 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
860 yaz_mutex_leave(r->mutex);
864 ZOOM_resultset_size(ZOOM_resultset r)
869 int ZOOM_test_reconnect(ZOOM_connection c)
873 if (!c->reconnect_ok)
875 ZOOM_connection_close(c);
877 c->tasks->running = 0;
878 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
880 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
881 ZOOM_connection_put_event(c, event);
886 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
887 int force_sync, int start, int count)
892 const char *syntax, *elementSetName;
896 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
897 " count=%d", r, force_sync, start, count);
902 if (c->host_port && c->proto == PROTO_HTTP)
906 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
907 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
911 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
916 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
917 task->u.retrieve.resultset = r;
918 task->u.retrieve.start = start;
919 task->u.retrieve.count = count;
921 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
922 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
923 elementSetName = ZOOM_options_get(r->options, "elementSetName");
924 task->u.retrieve.elementSetName = elementSetName
925 ? xstrdup(elementSetName) : 0;
927 cp = ZOOM_options_get(r->options, "schema");
930 if (!r->schema || strcmp(r->schema, cp))
933 r->schema = xstrdup(cp);
937 ZOOM_resultset_addref(r);
939 if (!r->connection->async || force_sync)
940 while (r->connection && ZOOM_event(1, &r->connection))
945 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
946 size_t start, size_t count)
948 int force_present = 0;
952 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
953 r, r, (long) start, (long) count);
956 ZOOM_resultset_retrieve(r, force_present, start, count);
960 for (i = 0; i< count; i++)
961 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
966 ZOOM_resultset_facets_size(ZOOM_resultset r) {
967 return r->num_facets;
970 ZOOM_API(ZOOM_facet_field)
971 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
972 int num = r->num_facets;
973 ZOOM_facet_field *facets = r->facets;
975 for (index = 0; index < num; index++) {
976 if (!strcmp(facets[index]->facet_name, name)) {
977 return facets[index];
984 ZOOM_API(ZOOM_facet_field *)
985 ZOOM_resultset_facets(ZOOM_resultset r)
990 ZOOM_API(const char**)
991 ZOOM_resultset_facet_names(ZOOM_resultset r)
993 return (const char **) r->facets_names;
996 ZOOM_API(const char*)
997 ZOOM_facet_field_name(ZOOM_facet_field field)
999 return field->facet_name;
1003 ZOOM_facet_field_term_count(ZOOM_facet_field field)
1005 return field->num_terms;
1008 ZOOM_API(const char*)
1009 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
1010 *freq = field->facet_terms[idx].frequency;
1011 return field->facet_terms[idx].term;
1015 static void get_cert(ZOOM_connection c)
1020 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
1022 ZOOM_connection_option_setl(c, "sslPeerCert",
1023 cert_buf, cert_len);
1028 static zoom_ret do_connect_host(ZOOM_connection c,
1029 const char *logical_url);
1031 static zoom_ret do_connect(ZOOM_connection c)
1033 return do_connect_host(c, c->host_port);
1036 static zoom_ret do_connect_host(ZOOM_connection c, const char *logical_url)
1042 c->cs = cs_create_host_proxy(logical_url, 0, &add, c->proxy);
1044 if (c->cs && c->cs->protocol == PROTO_HTTP)
1047 c->proto = PROTO_HTTP;
1051 c->path = xstrdup(logical_url);
1057 cs_get_host_args(logical_url, &db);
1059 c->path = xmalloc(strlen(db) * 3 + 2);
1060 yaz_encode_sru_dbpath_buf(c->path, db);
1063 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1064 ZOOM_connection_close(c);
1065 return zoom_complete;
1070 int ret = cs_connect(c->cs, add);
1073 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1074 ZOOM_connection_put_event(c, event);
1076 if (c->proto == PROTO_Z3950)
1077 ZOOM_connection_Z3950_send_init(c);
1080 /* no init request for SRW .. */
1081 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1082 ZOOM_connection_remove_task(c);
1083 ZOOM_connection_set_mask(c, 0);
1084 ZOOM_connection_exec_task(c);
1086 c->state = STATE_ESTABLISHED;
1087 return zoom_pending;
1091 int mask = ZOOM_SELECT_EXCEPT;
1092 if (c->cs->io_pending & CS_WANT_WRITE)
1093 mask += ZOOM_SELECT_WRITE;
1094 if (c->cs->io_pending & CS_WANT_READ)
1095 mask += ZOOM_SELECT_READ;
1096 ZOOM_connection_set_mask(c, mask);
1097 c->state = STATE_CONNECTING;
1098 return zoom_pending;
1101 c->state = STATE_IDLE;
1102 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1103 return zoom_complete;
1106 /* returns 1 if PDU was sent OK (still pending )
1107 0 if PDU was not sent OK (nothing to wait for)
1110 ZOOM_API(ZOOM_record)
1111 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1113 const char *syntax =
1114 ZOOM_options_get(s->options, "preferredRecordSyntax");
1115 const char *elementSetName =
1116 ZOOM_options_get(s->options, "elementSetName");
1118 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1121 ZOOM_API(ZOOM_record)
1122 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1124 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1129 * MIKE: I think force_sync should always be zero, but I don't
1130 * want to make this change until I get the go-ahead from
1131 * Adam, in case something depends on the old synchronous
1135 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1136 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1137 rec = ZOOM_resultset_record_immediate(r, pos);
1142 ZOOM_API(ZOOM_scanset)
1143 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1146 ZOOM_query q = ZOOM_query_create();
1148 ZOOM_query_prefix(q, start);
1150 s = ZOOM_connection_scan1(c, q);
1151 ZOOM_query_destroy(q);
1156 ZOOM_API(ZOOM_scanset)
1157 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1159 ZOOM_scanset scan = 0;
1160 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1164 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1165 scan->connection = c;
1166 scan->odr = odr_createmem(ODR_DECODE);
1167 scan->options = ZOOM_options_create_with_parent(c->options);
1169 scan->scan_response = 0;
1170 scan->srw_scan_response = 0;
1173 ZOOM_query_addref(q);
1174 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1175 &scan->num_databaseNames,
1180 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1181 task->u.scan.scan = scan;
1186 while (ZOOM_event(1, &c))
1194 ZOOM_scanset_destroy(ZOOM_scanset scan)
1199 if (scan->refcount == 0)
1201 ZOOM_query_destroy(scan->query);
1203 odr_destroy(scan->odr);
1205 ZOOM_options_destroy(scan->options);
1210 static zoom_ret send_package(ZOOM_connection c)
1214 yaz_log(c->log_details, "%p send_package", c);
1216 return zoom_complete;
1217 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1219 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1220 ZOOM_connection_put_event(c, event);
1222 c->buf_out = c->tasks->u.package->buf_out;
1223 c->len_out = c->tasks->u.package->len_out;
1225 return ZOOM_send_buf(c);
1229 ZOOM_scanset_size(ZOOM_scanset scan)
1234 if (scan->scan_response && scan->scan_response->entries)
1235 return scan->scan_response->entries->num_entries;
1236 else if (scan->srw_scan_response)
1237 return scan->srw_scan_response->num_terms;
1241 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1243 const char **value_term, size_t *value_len,
1244 const char **disp_term, size_t *disp_len)
1246 size_t noent = ZOOM_scanset_size(scan);
1257 if (scan->scan_response)
1259 Z_ScanResponse *res = scan->scan_response;
1260 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1262 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1264 *value_term = (const char *) t->term->u.general->buf;
1265 *value_len = t->term->u.general->len;
1268 *disp_term = t->displayTerm;
1269 *disp_len = strlen(*disp_term);
1271 else if (t->term->which == Z_Term_general)
1273 *disp_term = (const char *) t->term->u.general->buf;
1274 *disp_len = t->term->u.general->len;
1276 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1279 if (scan->srw_scan_response)
1281 Z_SRW_scanResponse *res = scan->srw_scan_response;
1282 Z_SRW_scanTerm *t = res->terms + pos;
1285 *value_term = t->value;
1286 *value_len = strlen(*value_term);
1289 *disp_term = t->displayTerm;
1291 *disp_term = t->value;
1292 *disp_len = strlen(*disp_term);
1293 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1298 ZOOM_API(const char *)
1299 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1300 size_t *occ, size_t *len)
1302 const char *value_term = 0;
1303 size_t value_len = 0;
1304 const char *disp_term = 0;
1305 size_t disp_len = 0;
1307 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1308 &disp_term, &disp_len);
1314 ZOOM_API(const char *)
1315 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1316 size_t *occ, size_t *len)
1318 const char *value_term = 0;
1319 size_t value_len = 0;
1320 const char *disp_term = 0;
1321 size_t disp_len = 0;
1323 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1324 &disp_term, &disp_len);
1330 ZOOM_API(const char *)
1331 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1333 return ZOOM_options_get(scan->options, key);
1337 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1340 ZOOM_options_set(scan->options, key, val);
1344 ZOOM_API(ZOOM_package)
1345 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1347 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1350 p->odr_out = odr_createmem(ODR_ENCODE);
1351 p->options = ZOOM_options_create_with_parent2(options, c->options);
1359 ZOOM_package_destroy(ZOOM_package p)
1364 if (p->refcount == 0)
1366 odr_destroy(p->odr_out);
1369 ZOOM_options_destroy(p->options);
1374 ZOOM_API(const char *)
1375 ZOOM_package_option_get(ZOOM_package p, const char *key)
1377 return ZOOM_options_get(p->options, key);
1380 ZOOM_API(const char *)
1381 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1383 return ZOOM_options_getl(p->options, key, lenp);
1387 ZOOM_package_option_set(ZOOM_package p, const char *key,
1390 ZOOM_options_set(p->options, key, val);
1394 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1395 const char *val, int len)
1397 ZOOM_options_setl(p->options, key, val, len);
1401 ZOOM_connection_exec_task(ZOOM_connection c)
1403 ZOOM_task task = c->tasks;
1404 zoom_ret ret = zoom_complete;
1408 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1409 c, task->which, task->running);
1410 if (c->error != ZOOM_ERROR_NONE)
1412 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1413 "removing tasks because of error = %d", c, c->error);
1414 ZOOM_connection_remove_tasks(c);
1419 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1420 "task already running", c);
1424 ret = zoom_complete;
1425 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1427 switch (task->which)
1429 case ZOOM_TASK_SEARCH:
1430 if (c->proto == PROTO_HTTP)
1431 ret = ZOOM_connection_srw_send_search(c);
1433 ret = ZOOM_connection_Z3950_send_search(c);
1435 case ZOOM_TASK_RETRIEVE:
1436 if (c->proto == PROTO_HTTP)
1437 ret = ZOOM_connection_srw_send_search(c);
1439 ret = send_Z3950_present(c);
1441 case ZOOM_TASK_CONNECT:
1442 ret = do_connect(c);
1444 case ZOOM_TASK_SCAN:
1445 if (c->proto == PROTO_HTTP)
1446 ret = ZOOM_connection_srw_send_scan(c);
1448 ret = ZOOM_connection_Z3950_send_scan(c);
1450 case ZOOM_TASK_PACKAGE:
1451 ret = send_package(c);
1453 case ZOOM_TASK_SORT:
1454 c->tasks->u.sort.resultset->r_sort_spec =
1455 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1456 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1462 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1463 "remove tasks because no connection exist", c);
1464 ZOOM_connection_remove_tasks(c);
1466 if (ret == zoom_complete)
1468 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1469 "task removed (complete)", c);
1470 ZOOM_connection_remove_task(c);
1473 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1479 static Z_GDU *get_HTTP_Request_url(ODR odr, const char *url)
1481 Z_GDU *p = z_get_HTTP_Request(odr);
1482 const char *host = url;
1483 const char *cp0 = strstr(host, "://");
1484 const char *cp1 = 0;
1490 cp1 = strchr(cp0, '/');
1492 cp1 = cp0 + strlen(cp0);
1496 char *h = (char*) odr_malloc(odr, cp1 - cp0 + 1);
1497 memcpy (h, cp0, cp1 - cp0);
1499 z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, "Host", h);
1501 p->u.HTTP_Request->path = odr_strdup(odr, *cp1 ? cp1 : "/");
1505 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
1506 Z_HTTP_Response *cookie_hres)
1508 struct Z_HTTP_Header *h;
1509 Z_GDU *gdu = get_HTTP_Request_url(c->odr_out, uri);
1510 char *combined_cookies = 0;
1511 int combined_cookies_len = 0;
1513 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1514 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1517 for (h = cookie_hres->headers; h; h = h->next)
1519 if (!strcmp(h->name, "Set-Cookie"))
1523 if (!(cp = strchr(h->value, ';')))
1524 cp = h->value + strlen(h->value);
1525 if (cp - h->value >= 1) {
1526 combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
1527 memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
1528 combined_cookies[combined_cookies_len + cp - h->value] = '\0';
1529 strcat(combined_cookies,"; ");
1530 combined_cookies_len = strlen(combined_cookies);
1535 if (combined_cookies_len)
1537 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1538 "Cookie", combined_cookies);
1539 xfree(combined_cookies);
1542 if (c->user && c->password)
1544 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1545 c->user, c->password);
1547 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1548 return zoom_complete;
1550 z_GDU(c->odr_print, &gdu, 0, 0);
1551 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1553 odr_reset(c->odr_out);
1554 return ZOOM_send_buf(c);
1558 void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
1559 const char *addinfo, const char *addinfo2)
1561 ZOOM_set_dset_error(c, error, "HTTP", addinfo, addinfo2);
1566 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
1568 zoom_ret cret = zoom_complete;
1570 const char *addinfo = 0;
1571 const char *connection_head = z_HTTP_header_lookup(hres->headers,
1573 const char *location;
1575 ZOOM_connection_set_mask(c, 0);
1576 yaz_log(c->log_details, "%p handle_http", c);
1578 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1579 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1582 if (c->no_redirects > 10)
1584 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1585 c->no_redirects = 0;
1586 ZOOM_connection_close(c);
1590 /* since redirect may change host we just reconnect. A smarter
1591 implementation might check whether it's the same server */
1592 do_connect_host(c, location);
1593 send_HTTP_redirect(c, location, hres);
1594 /* we're OK for now. Operation is not really complete */
1596 cret = zoom_pending;
1601 ret = ZOOM_handle_sru(c, hres, &cret);
1604 if (c->no_redirects) /* end of redirect. change hosts again */
1605 ZOOM_connection_close(c);
1607 c->no_redirects = 0;
1611 if (hres->code != 200)
1612 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1614 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1615 ZOOM_connection_close(c);
1617 if (cret == zoom_complete)
1619 yaz_log(c->log_details, "removing tasks in handle_http");
1620 ZOOM_connection_remove_task(c);
1624 if (!strcmp(hres->version, "1.0"))
1626 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1627 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1632 /* HTTP 1.1: only if no close we stay alive.. */
1633 if (connection_head && !strcmp(connection_head, "close"))
1638 ZOOM_connection_close(c);
1641 c->tasks->running = 0;
1642 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1643 c->reconnect_ok = 0;
1650 static int do_read(ZOOM_connection c)
1655 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1656 ZOOM_connection_put_event(c, event);
1658 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1659 more = cs_more(c->cs);
1660 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1665 if (!ZOOM_test_reconnect(c))
1667 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1668 ZOOM_connection_close(c);
1676 odr_reset(c->odr_in);
1677 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1678 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1679 ZOOM_connection_put_event(c, event);
1681 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1684 int err = odr_geterrorx(c->odr_in, &x);
1686 const char *element = odr_getelement(c->odr_in);
1687 yaz_snprintf(msg, sizeof(msg),
1688 "ODR code %d:%d element=%s offset=%d",
1689 err, x, element ? element : "<unknown>",
1690 odr_offset(c->odr_in));
1691 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1694 FILE *ber_file = yaz_log_file();
1696 odr_dumpBER(ber_file, c->buf_in, r);
1698 ZOOM_connection_close(c);
1703 z_GDU(c->odr_print, &gdu, 0, 0);
1704 if (gdu->which == Z_GDU_Z3950)
1705 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1706 else if (gdu->which == Z_GDU_HTTP_Response)
1709 handle_http(c, gdu->u.HTTP_Response);
1711 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1712 ZOOM_connection_close(c);
1716 c->reconnect_ok = 0;
1721 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1726 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1727 ZOOM_connection_put_event(c, event);
1729 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1730 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1732 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1733 if (ZOOM_test_reconnect(c))
1735 return zoom_pending;
1737 if (c->state == STATE_CONNECTING)
1738 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1740 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1741 ZOOM_connection_close(c);
1742 return zoom_complete;
1746 int mask = ZOOM_SELECT_EXCEPT;
1747 if (c->cs->io_pending & CS_WANT_WRITE)
1748 mask += ZOOM_SELECT_WRITE;
1749 if (c->cs->io_pending & CS_WANT_READ)
1750 mask += ZOOM_SELECT_READ;
1751 ZOOM_connection_set_mask(c, mask);
1752 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1757 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1758 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1761 return zoom_pending;
1764 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1766 return do_write_ex(c, c->buf_out, c->len_out);
1770 ZOOM_API(const char *)
1771 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1773 return ZOOM_options_get(c->options, key);
1776 ZOOM_API(const char *)
1777 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1779 return ZOOM_options_getl(c->options, key, lenp);
1783 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1786 ZOOM_options_set(c->options, key, val);
1790 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1791 const char *val, int len)
1793 ZOOM_options_setl(c->options, key, val, len);
1796 ZOOM_API(const char *)
1797 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1799 return ZOOM_options_get(r->options, key);
1803 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1806 ZOOM_options_set(r->options, key, val);
1811 ZOOM_connection_errcode(ZOOM_connection c)
1813 return ZOOM_connection_error(c, 0, 0);
1816 ZOOM_API(const char *)
1817 ZOOM_connection_errmsg(ZOOM_connection c)
1820 ZOOM_connection_error(c, &msg, 0);
1824 ZOOM_API(const char *)
1825 ZOOM_connection_addinfo(ZOOM_connection c)
1827 const char *addinfo;
1828 ZOOM_connection_error(c, 0, &addinfo);
1832 ZOOM_API(const char *)
1833 ZOOM_connection_diagset(ZOOM_connection c)
1835 const char *diagset;
1836 ZOOM_connection_error_x(c, 0, 0, &diagset);
1840 ZOOM_API(const char *)
1841 ZOOM_diag_str(int error)
1845 case ZOOM_ERROR_NONE:
1847 case ZOOM_ERROR_CONNECT:
1848 return "Connect failed";
1849 case ZOOM_ERROR_MEMORY:
1850 return "Out of memory";
1851 case ZOOM_ERROR_ENCODE:
1852 return "Encoding failed";
1853 case ZOOM_ERROR_DECODE:
1854 return "Decoding failed";
1855 case ZOOM_ERROR_CONNECTION_LOST:
1856 return "Connection lost";
1857 case ZOOM_ERROR_INIT:
1858 return "Init rejected";
1859 case ZOOM_ERROR_INTERNAL:
1860 return "Internal failure";
1861 case ZOOM_ERROR_TIMEOUT:
1863 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1864 return "Unsupported protocol";
1865 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1866 return "Unsupported query type";
1867 case ZOOM_ERROR_INVALID_QUERY:
1868 return "Invalid query";
1869 case ZOOM_ERROR_CQL_PARSE:
1870 return "CQL parsing error";
1871 case ZOOM_ERROR_CQL_TRANSFORM:
1872 return "CQL transformation error";
1873 case ZOOM_ERROR_CCL_CONFIG:
1874 return "CCL configuration error";
1875 case ZOOM_ERROR_CCL_PARSE:
1876 return "CCL parsing error";
1877 case ZOOM_ERROR_ES_INVALID_ACTION:
1878 return "Extended Service. invalid action";
1879 case ZOOM_ERROR_ES_INVALID_VERSION:
1880 return "Extended Service. invalid version";
1881 case ZOOM_ERROR_ES_INVALID_SYNTAX:
1882 return "Extended Service. invalid syntax";
1884 return diagbib1_str(error);
1889 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1890 const char **addinfo, const char **diagset)
1892 int error = c->error;
1895 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1896 *cp = ZOOM_diag_str(error);
1897 else if (!strcmp(c->diagset, "HTTP"))
1898 *cp = z_HTTP_errmsg(c->error);
1899 else if (!strcmp(c->diagset, "Bib-1"))
1900 *cp = ZOOM_diag_str(error);
1901 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1902 *cp = yaz_diag_srw_str(c->error);
1904 *cp = "Unknown error and diagnostic set";
1907 *addinfo = c->addinfo ? c->addinfo : "";
1909 *diagset = c->diagset ? c->diagset : "";
1914 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1915 const char **addinfo)
1917 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1920 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1922 ZOOM_Event event = 0;
1923 int r = cs_look(c->cs);
1924 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1929 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1930 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1931 ZOOM_connection_close(c);
1932 ZOOM_connection_put_event(c, event);
1934 else if (r == CS_CONNECT)
1936 int ret = ret = cs_rcvconnect(c->cs);
1937 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1938 "cs_rcvconnect returned %d", c, ret);
1941 int mask = ZOOM_SELECT_EXCEPT;
1942 if (c->cs->io_pending & CS_WANT_WRITE)
1943 mask += ZOOM_SELECT_WRITE;
1944 if (c->cs->io_pending & CS_WANT_READ)
1945 mask += ZOOM_SELECT_READ;
1946 ZOOM_connection_set_mask(c, mask);
1947 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1948 ZOOM_connection_put_event(c, event);
1952 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1953 ZOOM_connection_put_event(c, event);
1955 if (c->proto == PROTO_Z3950)
1956 ZOOM_connection_Z3950_send_init(c);
1959 /* no init request for SRW .. */
1960 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1961 ZOOM_connection_remove_task(c);
1962 ZOOM_connection_set_mask(c, 0);
1963 ZOOM_connection_exec_task(c);
1965 c->state = STATE_ESTABLISHED;
1969 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1970 ZOOM_connection_close(c);
1975 if (mask & ZOOM_SELECT_EXCEPT)
1977 if (!ZOOM_test_reconnect(c))
1979 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1980 ZOOM_connection_close(c);
1984 if (mask & ZOOM_SELECT_READ)
1986 if (c->cs && (mask & ZOOM_SELECT_WRITE))
1992 ZOOM_connection_last_event(ZOOM_connection cs)
1995 return ZOOM_EVENT_NONE;
1996 return cs->last_event;
2000 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
2004 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
2005 /* timeout and this connection was waiting */
2006 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
2007 ZOOM_connection_close(c);
2008 ZOOM_connection_put_event(c, event);
2014 ZOOM_connection_process(ZOOM_connection c)
2020 event = ZOOM_connection_get_event(c);
2023 ZOOM_Event_destroy(event);
2026 ZOOM_connection_exec_task(c);
2027 event = ZOOM_connection_get_event(c);
2030 ZOOM_Event_destroy(event);
2037 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2041 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2043 for (i = 0; i<no; i++)
2045 ZOOM_connection c = cs[i];
2047 if (c && ZOOM_connection_process(c))
2053 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2055 if (c->mask && mask)
2056 ZOOM_connection_do_io(c, mask);
2060 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2063 return cs_fileno(c->cs);
2067 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2075 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2082 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2084 return ZOOM_options_get_int(c->options, "timeout", 30);
2087 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2092 ZOOM_connection_set_mask(c, 0);
2093 c->state = STATE_IDLE;
2099 * c-file-style: "Stroustrup"
2100 * indent-tabs-mode: nil
2102 * vim: shiftwidth=4 tabstop=8 expandtab