1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2010 Index Data
3 * See the file LICENSE for details.
7 * \brief Implements ZOOM C interface.
15 #include <yaz/yaz-util.h>
16 #include <yaz/xmalloc.h>
17 #include <yaz/otherinfo.h>
19 #include <yaz/diagbib1.h>
20 #include <yaz/charneg.h>
21 #include <yaz/query-charset.h>
22 #include <yaz/snprintf.h>
23 #include <yaz/facet.h>
25 #include <yaz/shptr.h>
31 static int log_api0 = 0;
32 static int log_details0 = 0;
34 static void resultset_destroy(ZOOM_resultset r);
35 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out);
37 static void initlog(void)
39 static int log_level_initialized = 0;
40 if (!log_level_initialized)
42 log_api0 = yaz_log_module_level("zoom");
43 log_details0 = yaz_log_module_level("zoomdetails");
44 log_level_initialized = 1;
48 void ZOOM_connection_remove_tasks(ZOOM_connection c);
50 void ZOOM_set_dset_error(ZOOM_connection c, int error,
52 const char *addinfo, const char *addinfo2)
59 if (!c->diagset || strcmp(dset, c->diagset))
62 c->diagset = xstrdup(dset);
63 /* remove integer part from SRW diagset .. */
64 if ((cp = strrchr(c->diagset, '/')))
67 if (addinfo && addinfo2)
69 c->addinfo = (char*) xmalloc(strlen(addinfo) + strlen(addinfo2) + 2);
70 strcpy(c->addinfo, addinfo);
71 strcat(c->addinfo, addinfo2);
74 c->addinfo = xstrdup(addinfo);
75 if (error != ZOOM_ERROR_NONE)
77 yaz_log(c->log_api, "%p set_dset_error %s %s:%d %s %s",
78 c, c->host_port ? c->host_port : "<>", dset, error,
79 addinfo ? addinfo : "",
80 addinfo2 ? addinfo2 : "");
81 ZOOM_connection_remove_tasks(c);
85 int ZOOM_uri_to_code(const char *uri)
89 if ((cp = strrchr(uri, '/')))
96 void ZOOM_set_error(ZOOM_connection c, int error, const char *addinfo)
98 ZOOM_set_dset_error(c, error, "ZOOM", addinfo, 0);
101 static void clear_error(ZOOM_connection c)
104 * If an error is tied to an operation then it's ok to clear: for
105 * example, a diagnostic returned from a search is cleared by a
106 * subsequent search. However, problems such as Connection Lost
107 * or Init Refused are not cleared, because they are not
108 * recoverable: doing another search doesn't help.
111 ZOOM_connection_remove_events(c);
114 case ZOOM_ERROR_CONNECT:
115 case ZOOM_ERROR_MEMORY:
116 case ZOOM_ERROR_DECODE:
117 case ZOOM_ERROR_CONNECTION_LOST:
118 case ZOOM_ERROR_INIT:
119 case ZOOM_ERROR_INTERNAL:
120 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
123 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
127 void ZOOM_connection_show_task(ZOOM_task task)
131 case ZOOM_TASK_SEARCH:
132 yaz_log(YLOG_LOG, "search p=%p", task);
134 case ZOOM_TASK_RETRIEVE:
135 yaz_log(YLOG_LOG, "retrieve p=%p", task);
137 case ZOOM_TASK_CONNECT:
138 yaz_log(YLOG_LOG, "connect p=%p", task);
141 yaz_log(YLOG_LOG, "scan p=%p", task);
146 void ZOOM_connection_show_tasks(ZOOM_connection c)
149 yaz_log(YLOG_LOG, "connection p=%p tasks", c);
150 for (task = c->tasks; task; task = task->next)
151 ZOOM_connection_show_task(task);
154 ZOOM_task ZOOM_connection_add_task(ZOOM_connection c, int which)
156 ZOOM_task *taskp = &c->tasks;
158 taskp = &(*taskp)->next;
159 *taskp = (ZOOM_task) xmalloc(sizeof(**taskp));
160 (*taskp)->running = 0;
161 (*taskp)->which = which;
167 ZOOM_API(int) ZOOM_connection_is_idle(ZOOM_connection c)
169 return c->tasks ? 0 : 1;
172 ZOOM_task ZOOM_connection_insert_task(ZOOM_connection c, int which)
174 ZOOM_task task = (ZOOM_task) xmalloc(sizeof(*task));
176 task->next = c->tasks;
184 void ZOOM_connection_remove_task(ZOOM_connection c)
186 ZOOM_task task = c->tasks;
190 c->tasks = task->next;
193 case ZOOM_TASK_SEARCH:
194 resultset_destroy(task->u.search.resultset);
195 xfree(task->u.search.syntax);
196 xfree(task->u.search.elementSetName);
198 case ZOOM_TASK_RETRIEVE:
199 resultset_destroy(task->u.retrieve.resultset);
200 xfree(task->u.retrieve.syntax);
201 xfree(task->u.retrieve.elementSetName);
203 case ZOOM_TASK_CONNECT:
206 ZOOM_scanset_destroy(task->u.scan.scan);
208 case ZOOM_TASK_PACKAGE:
209 ZOOM_package_destroy(task->u.package);
212 resultset_destroy(task->u.sort.resultset);
213 ZOOM_query_destroy(task->u.sort.q);
222 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_END);
223 ZOOM_connection_put_event(c, event);
228 void ZOOM_connection_remove_tasks(ZOOM_connection c)
231 ZOOM_connection_remove_task(c);
235 ZOOM_API(ZOOM_connection)
236 ZOOM_connection_create(ZOOM_options options)
238 ZOOM_connection c = (ZOOM_connection) xmalloc(sizeof(*c));
242 c->log_api = log_api0;
243 c->log_details = log_details0;
245 yaz_log(c->log_api, "%p ZOOM_connection_create", c);
247 c->proto = PROTO_Z3950;
249 ZOOM_connection_set_mask(c, 0);
251 c->state = STATE_IDLE;
254 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
261 c->options = ZOOM_options_create_with_parent(options);
267 c->charset = c->lang = 0;
278 c->maximum_record_size = 0;
279 c->preferred_message_size = 0;
281 c->odr_in = odr_createmem(ODR_DECODE);
282 c->odr_out = odr_createmem(ODR_ENCODE);
286 c->support_named_resultsets = 0;
287 c->last_event = ZOOM_EVENT_NONE;
289 c->m_queue_front = 0;
298 /* set database names. Take local databases (if set); otherwise
299 take databases given in ZURL (if set); otherwise use Default */
300 char **ZOOM_connection_get_databases(ZOOM_connection con, ZOOM_options options,
303 char **databaseNames;
304 const char *cp = ZOOM_options_get(options, "databaseName");
306 if ((!cp || !*cp) && con->host_port)
308 if (strncmp(con->host_port, "unix:", 5) == 0)
309 cp = strchr(con->host_port+5, ':');
311 cp = strchr(con->host_port, '/');
317 nmem_strsplit(odr_getmem(odr), "+", cp, &databaseNames, num);
318 return databaseNames;
321 ZOOM_API(ZOOM_connection)
322 ZOOM_connection_new(const char *host, int portnum)
324 ZOOM_connection c = ZOOM_connection_create(0);
326 ZOOM_connection_connect(c, host, portnum);
330 static zoom_sru_mode get_sru_mode_from_string(const char *s)
333 return zoom_sru_soap;
334 if (!yaz_matchstr(s, "soap"))
335 return zoom_sru_soap;
336 else if (!yaz_matchstr(s, "get"))
338 else if (!yaz_matchstr(s, "post"))
339 return zoom_sru_post;
340 else if (!yaz_matchstr(s, "solr"))
341 return zoom_sru_solr;
342 return zoom_sru_error;
346 ZOOM_connection_connect(ZOOM_connection c,
347 const char *host, int portnum)
354 yaz_log(c->log_api, "%p ZOOM_connection_connect host=%s portnum=%d",
355 c, host ? host : "null", portnum);
357 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
358 ZOOM_connection_remove_tasks(c);
362 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
363 odr_destroy(c->odr_print);
365 if (ZOOM_options_get_bool(c->options, "apdulog", 0))
367 c->odr_print = odr_createmem(ODR_PRINT);
368 odr_setprint(c->odr_print, yaz_log_file());
375 yaz_log(c->log_details, "%p ZOOM_connection_connect reconnect ok", c);
379 yaz_log(c->log_details, "%p ZOOM_connection_connect connect", c);
382 val = ZOOM_options_get(c->options, "proxy");
385 yaz_log(c->log_details, "%p ZOOM_connection_connect proxy=%s", c, val);
386 c->proxy = xstrdup(val);
391 val = ZOOM_options_get(c->options, "charset");
394 yaz_log(c->log_details, "%p ZOOM_connection_connect charset=%s", c, val);
395 c->charset = xstrdup(val);
399 val = ZOOM_options_get(c->options, "lang");
402 yaz_log(c->log_details, "%p ZOOM_connection_connect lang=%s", c, val);
403 c->lang = xstrdup(val);
414 sprintf(hostn, "%.80s:%d", host, portnum);
415 c->host_port = xstrdup(hostn);
418 c->host_port = xstrdup(host);
423 * If the "<scheme>:" part of the host string is preceded by one
424 * or more comma-separated <name>=<value> pairs, these are taken
425 * to be options to be set on the connection object. Among other
426 * applications, this facility can be used to embed authentication
428 * user=admin,password=secret,tcp:localhost:9999
430 char *remainder = c->host_port;
431 char *pcolon = strchr(remainder, ':');
434 while ((pcomma = strchr(remainder, ',')) != 0 &&
435 (pcolon == 0 || pcomma < pcolon)) {
437 if ((pequals = strchr(remainder, '=')) != 0) {
439 /*printf("# setting '%s'='%s'\n", remainder, pequals+1);*/
440 ZOOM_connection_option_set(c, remainder, pequals+1);
442 remainder = pcomma+1;
445 if (remainder != c->host_port) {
447 c->host_port = xstrdup(remainder);
448 /*printf("# reset hp='%s'\n", remainder);*/
452 val = ZOOM_options_get(c->options, "sru");
453 c->sru_mode = get_sru_mode_from_string(val);
455 xfree(c->sru_version);
456 val = ZOOM_options_get(c->options, "sru_version");
457 c->sru_version = xstrdup(val ? val : "1.2");
459 ZOOM_options_set(c->options, "host", c->host_port);
461 xfree(c->cookie_out);
463 val = ZOOM_options_get(c->options, "cookie");
466 yaz_log(c->log_details, "%p ZOOM_connection_connect cookie=%s", c, val);
467 c->cookie_out = xstrdup(val);
472 val = ZOOM_options_get(c->options, "clientIP");
475 yaz_log(c->log_details, "%p ZOOM_connection_connect clientIP=%s",
477 c->client_IP = xstrdup(val);
482 val = ZOOM_options_get(c->options, "group");
484 c->group = xstrdup(val);
488 val = ZOOM_options_get(c->options, "user");
490 c->user = xstrdup(val);
494 val = ZOOM_options_get(c->options, "password");
496 val = ZOOM_options_get(c->options, "pass");
499 c->password = xstrdup(val);
501 c->maximum_record_size =
502 ZOOM_options_get_int(c->options, "maximumRecordSize", 1024*1024);
503 c->preferred_message_size =
504 ZOOM_options_get_int(c->options, "preferredMessageSize", 1024*1024);
506 c->async = ZOOM_options_get_bool(c->options, "async", 0);
507 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
509 task = ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
513 while (ZOOM_event(1, &c))
518 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
520 #if ZOOM_RESULT_LISTS
524 /* remove ourselves from the resultsets in connection */
525 ZOOM_resultset *rp = &r->connection->resultsets;
528 assert(*rp); /* we must be in this list!! */
530 { /* OK, we're here - take us out of it */
542 ZOOM_connection_destroy(ZOOM_connection c)
544 #if ZOOM_RESULT_LISTS
545 ZOOM_resultsets list;
551 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
555 #if ZOOM_RESULT_LISTS
556 // Remove the connection's usage of resultsets
557 list = c->resultsets;
559 ZOOM_resultsets removed = list;
560 ZOOM_resultset_destroy(list->resultset);
565 for (r = c->resultsets; r; r = r->next)
572 odr_destroy(c->odr_in);
573 odr_destroy(c->odr_out);
576 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
577 odr_destroy(c->odr_print);
579 ZOOM_options_destroy(c->options);
580 ZOOM_connection_remove_tasks(c);
581 ZOOM_connection_remove_events(c);
587 xfree(c->cookie_out);
593 xfree(c->sru_version);
597 void ZOOM_resultset_addref(ZOOM_resultset r)
601 yaz_mutex_enter(r->mutex);
603 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
605 yaz_mutex_leave(r->mutex);
609 ZOOM_resultset ZOOM_resultset_create(void)
612 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
616 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
619 r->odr = odr_createmem(ODR_ENCODE);
624 for (i = 0; i<RECORD_HASH_SIZE; i++)
625 r->record_hash[i] = 0;
629 r->databaseNames = 0;
630 r->num_databaseNames = 0;
635 yaz_mutex_create(&r->mutex);
638 WRBUF w = wrbuf_alloc();
639 YAZ_SHPTR_INIT(r->record_wrbuf, w);
645 ZOOM_API(ZOOM_resultset)
646 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
649 ZOOM_query s = ZOOM_query_create();
651 ZOOM_query_prefix(s, q);
653 r = ZOOM_connection_search(c, s);
654 ZOOM_query_destroy(s);
658 ZOOM_API(ZOOM_resultset)
659 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
661 ZOOM_resultset r = ZOOM_resultset_create();
665 const char *syntax, *elementSetName;
666 #if ZOOM_RESULT_LISTS
670 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
671 r->r_sort_spec = ZOOM_query_get_sortspec(q);
674 r->options = ZOOM_options_create_with_parent(c->options);
676 start = ZOOM_options_get_int(r->options, "start", 0);
677 count = ZOOM_options_get_int(r->options, "count", 0);
679 /* If "presentChunk" is defined use that; otherwise "step" */
680 const char *cp = ZOOM_options_get(r->options, "presentChunk");
681 r->step = ZOOM_options_get_int(r->options,
682 (cp != 0 ? "presentChunk": "step"), 0);
684 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
685 cp = ZOOM_options_get(r->options, "setname");
687 r->setname = xstrdup(cp);
688 cp = ZOOM_options_get(r->options, "schema");
690 r->schema = xstrdup(cp);
692 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
697 #if ZOOM_RESULT_LISTS
698 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
699 set = xmalloc(sizeof(*set));
700 ZOOM_resultset_addref(r);
702 set->next = c->resultsets;
705 r->next = c->resultsets;
708 if (c->host_port && c->proto == PROTO_HTTP)
712 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
713 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
717 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
722 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
723 task->u.search.resultset = r;
724 task->u.search.start = start;
725 task->u.search.count = count;
726 task->u.search.recv_search_fired = 0;
728 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
729 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
730 elementSetName = ZOOM_options_get(r->options, "elementSetName");
731 task->u.search.elementSetName = elementSetName
732 ? xstrdup(elementSetName) : 0;
734 ZOOM_resultset_addref(r);
736 ZOOM_query_addref(q);
740 while (ZOOM_event(1, &c))
747 ZOOM_resultset_sort(ZOOM_resultset r,
748 const char *sort_type, const char *sort_spec)
750 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
754 ZOOM_resultset_sort1(ZOOM_resultset r,
755 const char *sort_type, const char *sort_spec)
757 ZOOM_connection c = r->connection;
761 newq = ZOOM_query_create();
762 if (ZOOM_query_sortby(newq, sort_spec) < 0)
765 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
766 r, r, sort_type, sort_spec);
770 if (c->host_port && c->proto == PROTO_HTTP)
774 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
775 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
779 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
785 ZOOM_resultset_cache_reset(r);
786 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
787 task->u.sort.resultset = r;
788 task->u.sort.q = newq;
790 ZOOM_resultset_addref(r);
794 while (ZOOM_event(1, &c))
802 ZOOM_resultset_destroy(ZOOM_resultset r)
804 resultset_destroy(r);
807 static void resultset_destroy(ZOOM_resultset r)
811 yaz_mutex_enter(r->mutex);
813 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
815 if (r->refcount == 0)
817 yaz_mutex_leave(r->mutex);
819 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
820 ZOOM_resultset_cache_reset(r);
821 ZOOM_resultset_release(r);
822 ZOOM_query_destroy(r->query);
823 ZOOM_options_destroy(r->options);
827 yaz_mutex_destroy(&r->mutex);
829 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
834 yaz_mutex_leave(r->mutex);
838 ZOOM_resultset_size(ZOOM_resultset r)
843 int ZOOM_test_reconnect(ZOOM_connection c)
847 if (!c->reconnect_ok)
849 ZOOM_connection_close(c);
851 c->tasks->running = 0;
852 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
854 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
855 ZOOM_connection_put_event(c, event);
860 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
861 int force_sync, int start, int count)
866 const char *syntax, *elementSetName;
870 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
871 " count=%d", r, force_sync, start, count);
876 if (c->host_port && c->proto == PROTO_HTTP)
880 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
881 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
885 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
890 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
891 task->u.retrieve.resultset = r;
892 task->u.retrieve.start = start;
893 task->u.retrieve.count = count;
895 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
896 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
897 elementSetName = ZOOM_options_get(r->options, "elementSetName");
898 task->u.retrieve.elementSetName = elementSetName
899 ? xstrdup(elementSetName) : 0;
901 cp = ZOOM_options_get(r->options, "schema");
904 if (!r->schema || strcmp(r->schema, cp))
907 r->schema = xstrdup(cp);
911 ZOOM_resultset_addref(r);
913 if (!r->connection->async || force_sync)
914 while (r->connection && ZOOM_event(1, &r->connection))
919 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
920 size_t start, size_t count)
922 int force_present = 0;
926 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
927 r, r, (long) start, (long) count);
930 ZOOM_resultset_retrieve(r, force_present, start, count);
934 for (i = 0; i< count; i++)
935 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
940 ZOOM_resultset_facets_size(ZOOM_resultset r) {
941 return r->num_facets;
944 ZOOM_API(ZOOM_facet_field)
945 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
946 int num = r->num_facets;
947 ZOOM_facet_field *facets = r->facets;
949 for (index = 0; index < num; index++) {
950 if (!strcmp(facets[index]->facet_name, name)) {
951 return facets[index];
958 ZOOM_API(ZOOM_facet_field *)
959 ZOOM_resultset_facets(ZOOM_resultset r)
964 ZOOM_API(const char**)
965 ZOOM_resultset_facet_names(ZOOM_resultset r)
967 return (const char **) r->facets_names;
970 ZOOM_API(const char*)
971 ZOOM_facet_field_name(ZOOM_facet_field field)
973 return field->facet_name;
977 ZOOM_facet_field_term_count(ZOOM_facet_field field)
979 return field->num_terms;
982 ZOOM_API(const char*)
983 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
984 *freq = field->facet_terms[idx].frequency;
985 return field->facet_terms[idx].term;
989 static void get_cert(ZOOM_connection c)
994 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
996 ZOOM_connection_option_setl(c, "sslPeerCert",
1002 static zoom_ret do_connect_host(ZOOM_connection c,
1003 const char *effective_host,
1004 const char *logical_url);
1006 static zoom_ret do_connect(ZOOM_connection c)
1008 const char *effective_host;
1011 effective_host = c->proxy;
1013 effective_host = c->host_port;
1014 return do_connect_host(c, effective_host, c->host_port);
1017 static zoom_ret do_connect_host(ZOOM_connection c, const char *effective_host,
1018 const char *logical_url)
1022 yaz_log(c->log_details, "%p do_connect effective_host=%s", c, effective_host);
1026 c->cs = cs_create_host(effective_host, 0, &add);
1028 if (c->cs && c->cs->protocol == PROTO_HTTP)
1035 c->proto = PROTO_HTTP;
1036 cs_get_host_args(logical_url, &db);
1039 c->path = xmalloc(strlen(db) * 3 + 2);
1040 yaz_encode_sru_dbpath_buf(c->path, db);
1043 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1044 ZOOM_connection_close(c);
1045 return zoom_complete;
1050 int ret = cs_connect(c->cs, add);
1053 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1054 ZOOM_connection_put_event(c, event);
1056 if (c->proto == PROTO_Z3950)
1057 ZOOM_connection_Z3950_send_init(c);
1060 /* no init request for SRW .. */
1061 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1062 ZOOM_connection_remove_task(c);
1063 ZOOM_connection_set_mask(c, 0);
1064 ZOOM_connection_exec_task(c);
1066 c->state = STATE_ESTABLISHED;
1067 return zoom_pending;
1071 int mask = ZOOM_SELECT_EXCEPT;
1072 if (c->cs->io_pending & CS_WANT_WRITE)
1073 mask += ZOOM_SELECT_WRITE;
1074 if (c->cs->io_pending & CS_WANT_READ)
1075 mask += ZOOM_SELECT_READ;
1076 ZOOM_connection_set_mask(c, mask);
1077 c->state = STATE_CONNECTING;
1078 return zoom_pending;
1081 c->state = STATE_IDLE;
1082 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1083 return zoom_complete;
1086 /* returns 1 if PDU was sent OK (still pending )
1087 0 if PDU was not sent OK (nothing to wait for)
1090 ZOOM_API(ZOOM_record)
1091 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1093 const char *syntax =
1094 ZOOM_options_get(s->options, "preferredRecordSyntax");
1095 const char *elementSetName =
1096 ZOOM_options_get(s->options, "elementSetName");
1098 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1101 ZOOM_API(ZOOM_record)
1102 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1104 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1109 * MIKE: I think force_sync should always be zero, but I don't
1110 * want to make this change until I get the go-ahead from
1111 * Adam, in case something depends on the old synchronous
1115 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1116 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1117 rec = ZOOM_resultset_record_immediate(r, pos);
1122 ZOOM_API(ZOOM_scanset)
1123 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1126 ZOOM_query q = ZOOM_query_create();
1128 ZOOM_query_prefix(q, start);
1130 s = ZOOM_connection_scan1(c, q);
1131 ZOOM_query_destroy(q);
1136 ZOOM_API(ZOOM_scanset)
1137 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1139 ZOOM_scanset scan = 0;
1140 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1144 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1145 scan->connection = c;
1146 scan->odr = odr_createmem(ODR_DECODE);
1147 scan->options = ZOOM_options_create_with_parent(c->options);
1149 scan->scan_response = 0;
1150 scan->srw_scan_response = 0;
1153 ZOOM_query_addref(q);
1154 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1155 &scan->num_databaseNames,
1160 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1161 task->u.scan.scan = scan;
1166 while (ZOOM_event(1, &c))
1174 ZOOM_scanset_destroy(ZOOM_scanset scan)
1179 if (scan->refcount == 0)
1181 ZOOM_query_destroy(scan->query);
1183 odr_destroy(scan->odr);
1185 ZOOM_options_destroy(scan->options);
1190 static zoom_ret send_package(ZOOM_connection c)
1194 yaz_log(c->log_details, "%p send_package", c);
1196 return zoom_complete;
1197 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1199 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1200 ZOOM_connection_put_event(c, event);
1202 c->buf_out = c->tasks->u.package->buf_out;
1203 c->len_out = c->tasks->u.package->len_out;
1205 return ZOOM_send_buf(c);
1209 ZOOM_scanset_size(ZOOM_scanset scan)
1214 if (scan->scan_response && scan->scan_response->entries)
1215 return scan->scan_response->entries->num_entries;
1216 else if (scan->srw_scan_response)
1217 return scan->srw_scan_response->num_terms;
1221 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1223 const char **value_term, size_t *value_len,
1224 const char **disp_term, size_t *disp_len)
1226 size_t noent = ZOOM_scanset_size(scan);
1237 if (scan->scan_response)
1239 Z_ScanResponse *res = scan->scan_response;
1240 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1242 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1244 *value_term = (const char *) t->term->u.general->buf;
1245 *value_len = t->term->u.general->len;
1248 *disp_term = t->displayTerm;
1249 *disp_len = strlen(*disp_term);
1251 else if (t->term->which == Z_Term_general)
1253 *disp_term = (const char *) t->term->u.general->buf;
1254 *disp_len = t->term->u.general->len;
1256 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1259 if (scan->srw_scan_response)
1261 Z_SRW_scanResponse *res = scan->srw_scan_response;
1262 Z_SRW_scanTerm *t = res->terms + pos;
1265 *value_term = t->value;
1266 *value_len = strlen(*value_term);
1269 *disp_term = t->displayTerm;
1271 *disp_term = t->value;
1272 *disp_len = strlen(*disp_term);
1273 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1278 ZOOM_API(const char *)
1279 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1280 size_t *occ, size_t *len)
1282 const char *value_term = 0;
1283 size_t value_len = 0;
1284 const char *disp_term = 0;
1285 size_t disp_len = 0;
1287 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1288 &disp_term, &disp_len);
1294 ZOOM_API(const char *)
1295 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1296 size_t *occ, size_t *len)
1298 const char *value_term = 0;
1299 size_t value_len = 0;
1300 const char *disp_term = 0;
1301 size_t disp_len = 0;
1303 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1304 &disp_term, &disp_len);
1310 ZOOM_API(const char *)
1311 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1313 return ZOOM_options_get(scan->options, key);
1317 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1320 ZOOM_options_set(scan->options, key, val);
1324 ZOOM_API(ZOOM_package)
1325 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1327 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1330 p->odr_out = odr_createmem(ODR_ENCODE);
1331 p->options = ZOOM_options_create_with_parent2(options, c->options);
1339 ZOOM_package_destroy(ZOOM_package p)
1344 if (p->refcount == 0)
1346 odr_destroy(p->odr_out);
1349 ZOOM_options_destroy(p->options);
1354 ZOOM_API(const char *)
1355 ZOOM_package_option_get(ZOOM_package p, const char *key)
1357 return ZOOM_options_get(p->options, key);
1360 ZOOM_API(const char *)
1361 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1363 return ZOOM_options_getl(p->options, key, lenp);
1367 ZOOM_package_option_set(ZOOM_package p, const char *key,
1370 ZOOM_options_set(p->options, key, val);
1374 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1375 const char *val, int len)
1377 ZOOM_options_setl(p->options, key, val, len);
1381 ZOOM_connection_exec_task(ZOOM_connection c)
1383 ZOOM_task task = c->tasks;
1384 zoom_ret ret = zoom_complete;
1388 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1389 c, task->which, task->running);
1390 if (c->error != ZOOM_ERROR_NONE)
1392 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1393 "removing tasks because of error = %d", c, c->error);
1394 ZOOM_connection_remove_tasks(c);
1399 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1400 "task already running", c);
1404 ret = zoom_complete;
1405 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1407 switch (task->which)
1409 case ZOOM_TASK_SEARCH:
1410 if (c->proto == PROTO_HTTP)
1411 ret = ZOOM_connection_srw_send_search(c);
1413 ret = ZOOM_connection_Z3950_send_search(c);
1415 case ZOOM_TASK_RETRIEVE:
1416 if (c->proto == PROTO_HTTP)
1417 ret = ZOOM_connection_srw_send_search(c);
1419 ret = send_Z3950_present(c);
1421 case ZOOM_TASK_CONNECT:
1422 ret = do_connect(c);
1424 case ZOOM_TASK_SCAN:
1425 if (c->proto == PROTO_HTTP)
1426 ret = ZOOM_connection_srw_send_scan(c);
1428 ret = ZOOM_connection_Z3950_send_scan(c);
1430 case ZOOM_TASK_PACKAGE:
1431 ret = send_package(c);
1433 case ZOOM_TASK_SORT:
1434 c->tasks->u.sort.resultset->r_sort_spec =
1435 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1436 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1442 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1443 "remove tasks because no connection exist", c);
1444 ZOOM_connection_remove_tasks(c);
1446 if (ret == zoom_complete)
1448 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1449 "task removed (complete)", c);
1450 ZOOM_connection_remove_task(c);
1453 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1459 static Z_GDU *get_HTTP_Request_url(ODR odr, const char *url)
1461 Z_GDU *p = z_get_HTTP_Request(odr);
1462 const char *host = url;
1463 const char *cp0 = strstr(host, "://");
1464 const char *cp1 = 0;
1470 cp1 = strchr(cp0, '/');
1472 cp1 = cp0 + strlen(cp0);
1476 char *h = (char*) odr_malloc(odr, cp1 - cp0 + 1);
1477 memcpy (h, cp0, cp1 - cp0);
1479 z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, "Host", h);
1481 p->u.HTTP_Request->path = odr_strdup(odr, *cp1 ? cp1 : "/");
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 Z_GDU *gdu = get_HTTP_Request_url(c->odr_out, uri);
1490 char *combined_cookies;
1491 int combined_cookies_len = 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;
1550 const char *addinfo = 0;
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, 0);
1573 send_HTTP_redirect(c, location, hres);
1574 /* we're OK for now. Operation is not really complete */
1576 cret = zoom_pending;
1581 ret = ZOOM_handle_sru(c, hres, &cret);
1584 if (c->no_redirects) /* end of redirect. change hosts again */
1585 ZOOM_connection_close(c);
1587 c->no_redirects = 0;
1591 if (hres->code != 200)
1592 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1594 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1595 ZOOM_connection_close(c);
1597 if (cret == zoom_complete)
1599 yaz_log(c->log_details, "removing tasks in handle_http");
1600 ZOOM_connection_remove_task(c);
1604 if (!strcmp(hres->version, "1.0"))
1606 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1607 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1612 /* HTTP 1.1: only if no close we stay alive.. */
1613 if (connection_head && !strcmp(connection_head, "close"))
1618 ZOOM_connection_close(c);
1621 c->tasks->running = 0;
1622 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1623 c->reconnect_ok = 0;
1630 static int do_read(ZOOM_connection c)
1635 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1636 ZOOM_connection_put_event(c, event);
1638 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1639 more = cs_more(c->cs);
1640 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1645 if (!ZOOM_test_reconnect(c))
1647 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1648 ZOOM_connection_close(c);
1656 odr_reset(c->odr_in);
1657 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1658 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1659 ZOOM_connection_put_event(c, event);
1661 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1664 int err = odr_geterrorx(c->odr_in, &x);
1666 const char *element = odr_getelement(c->odr_in);
1667 yaz_snprintf(msg, sizeof(msg),
1668 "ODR code %d:%d element=%s offset=%d",
1669 err, x, element ? element : "<unknown>",
1670 odr_offset(c->odr_in));
1671 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1674 FILE *ber_file = yaz_log_file();
1676 odr_dumpBER(ber_file, c->buf_in, r);
1678 ZOOM_connection_close(c);
1683 z_GDU(c->odr_print, &gdu, 0, 0);
1684 if (gdu->which == Z_GDU_Z3950)
1685 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1686 else if (gdu->which == Z_GDU_HTTP_Response)
1689 handle_http(c, gdu->u.HTTP_Response);
1691 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1692 ZOOM_connection_close(c);
1696 c->reconnect_ok = 0;
1701 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1706 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1707 ZOOM_connection_put_event(c, event);
1709 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1710 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1712 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1713 if (ZOOM_test_reconnect(c))
1715 return zoom_pending;
1717 if (c->state == STATE_CONNECTING)
1718 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1720 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1721 ZOOM_connection_close(c);
1722 return zoom_complete;
1726 int mask = ZOOM_SELECT_EXCEPT;
1727 if (c->cs->io_pending & CS_WANT_WRITE)
1728 mask += ZOOM_SELECT_WRITE;
1729 if (c->cs->io_pending & CS_WANT_READ)
1730 mask += ZOOM_SELECT_READ;
1731 ZOOM_connection_set_mask(c, mask);
1732 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1737 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1738 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1741 return zoom_pending;
1744 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1746 return do_write_ex(c, c->buf_out, c->len_out);
1750 ZOOM_API(const char *)
1751 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1753 return ZOOM_options_get(c->options, key);
1756 ZOOM_API(const char *)
1757 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1759 return ZOOM_options_getl(c->options, key, lenp);
1763 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1766 ZOOM_options_set(c->options, key, val);
1770 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1771 const char *val, int len)
1773 ZOOM_options_setl(c->options, key, val, len);
1776 ZOOM_API(const char *)
1777 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1779 return ZOOM_options_get(r->options, key);
1783 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1786 ZOOM_options_set(r->options, key, val);
1791 ZOOM_connection_errcode(ZOOM_connection c)
1793 return ZOOM_connection_error(c, 0, 0);
1796 ZOOM_API(const char *)
1797 ZOOM_connection_errmsg(ZOOM_connection c)
1800 ZOOM_connection_error(c, &msg, 0);
1804 ZOOM_API(const char *)
1805 ZOOM_connection_addinfo(ZOOM_connection c)
1807 const char *addinfo;
1808 ZOOM_connection_error(c, 0, &addinfo);
1812 ZOOM_API(const char *)
1813 ZOOM_connection_diagset(ZOOM_connection c)
1815 const char *diagset;
1816 ZOOM_connection_error_x(c, 0, 0, &diagset);
1820 ZOOM_API(const char *)
1821 ZOOM_diag_str(int error)
1825 case ZOOM_ERROR_NONE:
1827 case ZOOM_ERROR_CONNECT:
1828 return "Connect failed";
1829 case ZOOM_ERROR_MEMORY:
1830 return "Out of memory";
1831 case ZOOM_ERROR_ENCODE:
1832 return "Encoding failed";
1833 case ZOOM_ERROR_DECODE:
1834 return "Decoding failed";
1835 case ZOOM_ERROR_CONNECTION_LOST:
1836 return "Connection lost";
1837 case ZOOM_ERROR_INIT:
1838 return "Init rejected";
1839 case ZOOM_ERROR_INTERNAL:
1840 return "Internal failure";
1841 case ZOOM_ERROR_TIMEOUT:
1843 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1844 return "Unsupported protocol";
1845 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1846 return "Unsupported query type";
1847 case ZOOM_ERROR_INVALID_QUERY:
1848 return "Invalid query";
1849 case ZOOM_ERROR_CQL_PARSE:
1850 return "CQL parsing error";
1851 case ZOOM_ERROR_CQL_TRANSFORM:
1852 return "CQL transformation error";
1853 case ZOOM_ERROR_CCL_CONFIG:
1854 return "CCL configuration error";
1855 case ZOOM_ERROR_CCL_PARSE:
1856 return "CCL parsing error";
1858 return diagbib1_str(error);
1863 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1864 const char **addinfo, const char **diagset)
1866 int error = c->error;
1869 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1870 *cp = ZOOM_diag_str(error);
1871 else if (!strcmp(c->diagset, "HTTP"))
1872 *cp = z_HTTP_errmsg(c->error);
1873 else if (!strcmp(c->diagset, "Bib-1"))
1874 *cp = ZOOM_diag_str(error);
1875 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1876 *cp = yaz_diag_srw_str(c->error);
1878 *cp = "Unknown error and diagnostic set";
1881 *addinfo = c->addinfo ? c->addinfo : "";
1883 *diagset = c->diagset ? c->diagset : "";
1888 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1889 const char **addinfo)
1891 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1894 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1896 ZOOM_Event event = 0;
1897 int r = cs_look(c->cs);
1898 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1903 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1904 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1905 ZOOM_connection_close(c);
1906 ZOOM_connection_put_event(c, event);
1908 else if (r == CS_CONNECT)
1910 int ret = ret = cs_rcvconnect(c->cs);
1911 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1912 "cs_rcvconnect returned %d", c, ret);
1915 int mask = ZOOM_SELECT_EXCEPT;
1916 if (c->cs->io_pending & CS_WANT_WRITE)
1917 mask += ZOOM_SELECT_WRITE;
1918 if (c->cs->io_pending & CS_WANT_READ)
1919 mask += ZOOM_SELECT_READ;
1920 ZOOM_connection_set_mask(c, mask);
1921 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1922 ZOOM_connection_put_event(c, event);
1926 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1927 ZOOM_connection_put_event(c, event);
1929 if (c->proto == PROTO_Z3950)
1930 ZOOM_connection_Z3950_send_init(c);
1933 /* no init request for SRW .. */
1934 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1935 ZOOM_connection_remove_task(c);
1936 ZOOM_connection_set_mask(c, 0);
1937 ZOOM_connection_exec_task(c);
1939 c->state = STATE_ESTABLISHED;
1943 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1944 ZOOM_connection_close(c);
1949 if (mask & ZOOM_SELECT_EXCEPT)
1951 if (!ZOOM_test_reconnect(c))
1953 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1954 ZOOM_connection_close(c);
1958 if (mask & ZOOM_SELECT_READ)
1960 if (c->cs && (mask & ZOOM_SELECT_WRITE))
1966 ZOOM_connection_last_event(ZOOM_connection cs)
1969 return ZOOM_EVENT_NONE;
1970 return cs->last_event;
1974 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
1978 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
1979 /* timeout and this connection was waiting */
1980 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
1981 ZOOM_connection_close(c);
1982 ZOOM_connection_put_event(c, event);
1988 ZOOM_connection_process(ZOOM_connection c)
1994 event = ZOOM_connection_get_event(c);
1997 ZOOM_Event_destroy(event);
2000 ZOOM_connection_exec_task(c);
2001 event = ZOOM_connection_get_event(c);
2004 ZOOM_Event_destroy(event);
2011 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2015 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2017 for (i = 0; i<no; i++)
2019 ZOOM_connection c = cs[i];
2021 if (c && ZOOM_connection_process(c))
2027 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2029 if (c->mask && mask)
2030 ZOOM_connection_do_io(c, mask);
2034 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2037 return cs_fileno(c->cs);
2041 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2049 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2056 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2058 return ZOOM_options_get_int(c->options, "timeout", 30);
2061 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2066 ZOOM_connection_set_mask(c, 0);
2067 c->state = STATE_IDLE;
2073 * c-file-style: "Stroustrup"
2074 * indent-tabs-mode: nil
2076 * vim: shiftwidth=4 tabstop=8 expandtab