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;
185 void ZOOM_connection_remove_task(ZOOM_connection c)
187 ZOOM_task task = c->tasks;
191 c->tasks = task->next;
194 case ZOOM_TASK_SEARCH:
195 resultset_destroy(task->u.search.resultset);
196 xfree(task->u.search.syntax);
197 xfree(task->u.search.elementSetName);
199 case ZOOM_TASK_RETRIEVE:
200 resultset_destroy(task->u.retrieve.resultset);
201 xfree(task->u.retrieve.syntax);
202 xfree(task->u.retrieve.elementSetName);
204 case ZOOM_TASK_CONNECT:
207 ZOOM_scanset_destroy(task->u.scan.scan);
209 case ZOOM_TASK_PACKAGE:
210 ZOOM_package_destroy(task->u.package);
213 resultset_destroy(task->u.sort.resultset);
214 ZOOM_query_destroy(task->u.sort.q);
223 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_END);
224 ZOOM_connection_put_event(c, event);
229 void ZOOM_connection_remove_tasks(ZOOM_connection c)
232 ZOOM_connection_remove_task(c);
236 ZOOM_API(ZOOM_connection)
237 ZOOM_connection_create(ZOOM_options options)
239 ZOOM_connection c = (ZOOM_connection) xmalloc(sizeof(*c));
243 c->log_api = log_api0;
244 c->log_details = log_details0;
246 yaz_log(c->log_api, "%p ZOOM_connection_create", c);
248 c->proto = PROTO_Z3950;
250 ZOOM_connection_set_mask(c, 0);
252 c->state = STATE_IDLE;
255 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
262 c->options = ZOOM_options_create_with_parent(options);
268 c->charset = c->lang = 0;
279 c->maximum_record_size = 0;
280 c->preferred_message_size = 0;
282 c->odr_in = odr_createmem(ODR_DECODE);
283 c->odr_out = odr_createmem(ODR_ENCODE);
287 c->support_named_resultsets = 0;
288 c->last_event = ZOOM_EVENT_NONE;
290 c->m_queue_front = 0;
299 /* set database names. Take local databases (if set); otherwise
300 take databases given in ZURL (if set); otherwise use Default */
301 char **ZOOM_connection_get_databases(ZOOM_connection con, ZOOM_options options,
304 char **databaseNames;
305 const char *cp = ZOOM_options_get(options, "databaseName");
307 if ((!cp || !*cp) && con->host_port)
309 if (strncmp(con->host_port, "unix:", 5) == 0)
310 cp = strchr(con->host_port+5, ':');
312 cp = strchr(con->host_port, '/');
318 nmem_strsplit(odr_getmem(odr), "+", cp, &databaseNames, num);
319 return databaseNames;
322 ZOOM_API(ZOOM_connection)
323 ZOOM_connection_new(const char *host, int portnum)
325 ZOOM_connection c = ZOOM_connection_create(0);
327 ZOOM_connection_connect(c, host, portnum);
331 static zoom_sru_mode get_sru_mode_from_string(const char *s)
334 return zoom_sru_soap;
335 if (!yaz_matchstr(s, "soap"))
336 return zoom_sru_soap;
337 else if (!yaz_matchstr(s, "get"))
339 else if (!yaz_matchstr(s, "post"))
340 return zoom_sru_post;
341 else if (!yaz_matchstr(s, "solr"))
342 return zoom_sru_solr;
343 return zoom_sru_error;
347 ZOOM_connection_connect(ZOOM_connection c,
348 const char *host, int portnum)
355 yaz_log(c->log_api, "%p ZOOM_connection_connect host=%s portnum=%d",
356 c, host ? host : "null", portnum);
358 ZOOM_set_error(c, ZOOM_ERROR_NONE, 0);
359 ZOOM_connection_remove_tasks(c);
363 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
364 odr_destroy(c->odr_print);
366 if (ZOOM_options_get_bool(c->options, "apdulog", 0))
368 c->odr_print = odr_createmem(ODR_PRINT);
369 odr_setprint(c->odr_print, yaz_log_file());
376 yaz_log(c->log_details, "%p ZOOM_connection_connect reconnect ok", c);
380 yaz_log(c->log_details, "%p ZOOM_connection_connect connect", c);
383 val = ZOOM_options_get(c->options, "proxy");
386 yaz_log(c->log_details, "%p ZOOM_connection_connect proxy=%s", c, val);
387 c->proxy = xstrdup(val);
392 val = ZOOM_options_get(c->options, "charset");
395 yaz_log(c->log_details, "%p ZOOM_connection_connect charset=%s", c, val);
396 c->charset = xstrdup(val);
400 val = ZOOM_options_get(c->options, "lang");
403 yaz_log(c->log_details, "%p ZOOM_connection_connect lang=%s", c, val);
404 c->lang = xstrdup(val);
415 sprintf(hostn, "%.80s:%d", host, portnum);
416 c->host_port = xstrdup(hostn);
419 c->host_port = xstrdup(host);
424 * If the "<scheme>:" part of the host string is preceded by one
425 * or more comma-separated <name>=<value> pairs, these are taken
426 * to be options to be set on the connection object. Among other
427 * applications, this facility can be used to embed authentication
429 * user=admin,password=secret,tcp:localhost:9999
431 char *remainder = c->host_port;
432 char *pcolon = strchr(remainder, ':');
435 while ((pcomma = strchr(remainder, ',')) != 0 &&
436 (pcolon == 0 || pcomma < pcolon)) {
438 if ((pequals = strchr(remainder, '=')) != 0) {
440 /*printf("# setting '%s'='%s'\n", remainder, pequals+1);*/
441 ZOOM_connection_option_set(c, remainder, pequals+1);
443 remainder = pcomma+1;
446 if (remainder != c->host_port) {
448 c->host_port = xstrdup(remainder);
449 /*printf("# reset hp='%s'\n", remainder);*/
453 val = ZOOM_options_get(c->options, "sru");
454 c->sru_mode = get_sru_mode_from_string(val);
456 xfree(c->sru_version);
457 val = ZOOM_options_get(c->options, "sru_version");
458 c->sru_version = xstrdup(val ? val : "1.2");
460 ZOOM_options_set(c->options, "host", c->host_port);
462 xfree(c->cookie_out);
464 val = ZOOM_options_get(c->options, "cookie");
467 yaz_log(c->log_details, "%p ZOOM_connection_connect cookie=%s", c, val);
468 c->cookie_out = xstrdup(val);
473 val = ZOOM_options_get(c->options, "clientIP");
476 yaz_log(c->log_details, "%p ZOOM_connection_connect clientIP=%s",
478 c->client_IP = xstrdup(val);
483 val = ZOOM_options_get(c->options, "group");
485 c->group = xstrdup(val);
489 val = ZOOM_options_get(c->options, "user");
491 c->user = xstrdup(val);
495 val = ZOOM_options_get(c->options, "password");
497 val = ZOOM_options_get(c->options, "pass");
500 c->password = xstrdup(val);
502 c->maximum_record_size =
503 ZOOM_options_get_int(c->options, "maximumRecordSize", 1024*1024);
504 c->preferred_message_size =
505 ZOOM_options_get_int(c->options, "preferredMessageSize", 1024*1024);
507 c->async = ZOOM_options_get_bool(c->options, "async", 0);
508 yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
510 task = ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
514 while (ZOOM_event(1, &c))
519 ZOOM_API(void) ZOOM_resultset_release(ZOOM_resultset r)
521 #if ZOOM_RESULT_LISTS
525 /* remove ourselves from the resultsets in connection */
526 ZOOM_resultset *rp = &r->connection->resultsets;
529 assert(*rp); /* we must be in this list!! */
531 { /* OK, we're here - take us out of it */
543 ZOOM_connection_destroy(ZOOM_connection c)
545 #if ZOOM_RESULT_LISTS
546 ZOOM_resultsets list;
552 yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
556 #if ZOOM_RESULT_LISTS
557 // Remove the connection's usage of resultsets
558 list = c->resultsets;
560 ZOOM_resultsets removed = list;
561 ZOOM_resultset_destroy(list->resultset);
566 for (r = c->resultsets; r; r = r->next)
573 odr_destroy(c->odr_in);
574 odr_destroy(c->odr_out);
577 odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
578 odr_destroy(c->odr_print);
580 ZOOM_options_destroy(c->options);
581 ZOOM_connection_remove_tasks(c);
582 ZOOM_connection_remove_events(c);
588 xfree(c->cookie_out);
594 xfree(c->sru_version);
598 void ZOOM_resultset_addref(ZOOM_resultset r)
602 yaz_mutex_enter(r->mutex);
604 yaz_log(log_details0, "%p ZOOM_resultset_addref count=%d",
606 yaz_mutex_leave(r->mutex);
610 ZOOM_resultset ZOOM_resultset_create(void)
613 ZOOM_resultset r = (ZOOM_resultset) xmalloc(sizeof(*r));
617 yaz_log(log_details0, "%p ZOOM_resultset_create", r);
620 r->odr = odr_createmem(ODR_ENCODE);
625 for (i = 0; i<RECORD_HASH_SIZE; i++)
626 r->record_hash[i] = 0;
630 r->databaseNames = 0;
631 r->num_databaseNames = 0;
636 yaz_mutex_create(&r->mutex);
639 WRBUF w = wrbuf_alloc();
640 YAZ_SHPTR_INIT(r->record_wrbuf, w);
646 ZOOM_API(ZOOM_resultset)
647 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
650 ZOOM_query s = ZOOM_query_create();
652 ZOOM_query_prefix(s, q);
654 r = ZOOM_connection_search(c, s);
655 ZOOM_query_destroy(s);
659 ZOOM_API(ZOOM_resultset)
660 ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
662 ZOOM_resultset r = ZOOM_resultset_create();
666 const char *syntax, *elementSetName;
667 #if ZOOM_RESULT_LISTS
671 yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
672 r->r_sort_spec = ZOOM_query_get_sortspec(q);
675 r->options = ZOOM_options_create_with_parent(c->options);
677 start = ZOOM_options_get_int(r->options, "start", 0);
678 count = ZOOM_options_get_int(r->options, "count", 0);
680 /* If "presentChunk" is defined use that; otherwise "step" */
681 const char *cp = ZOOM_options_get(r->options, "presentChunk");
682 r->step = ZOOM_options_get_int(r->options,
683 (cp != 0 ? "presentChunk": "step"), 0);
685 r->piggyback = ZOOM_options_get_bool(r->options, "piggyback", 1);
686 cp = ZOOM_options_get(r->options, "setname");
688 r->setname = xstrdup(cp);
689 cp = ZOOM_options_get(r->options, "schema");
691 r->schema = xstrdup(cp);
693 r->databaseNames = ZOOM_connection_get_databases(c, c->options, &r->num_databaseNames,
698 #if ZOOM_RESULT_LISTS
699 yaz_log(log_details, "%p ZOOM_connection_search: Adding new resultset (%p) to resultsets (%p) ", c, r, c->resultsets);
700 set = xmalloc(sizeof(*set));
701 ZOOM_resultset_addref(r);
703 set->next = c->resultsets;
706 r->next = c->resultsets;
709 if (c->host_port && c->proto == PROTO_HTTP)
713 yaz_log(c->log_details, "ZOOM_connection_search: no comstack");
714 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
718 yaz_log(c->log_details, "ZOOM_connection_search: reconnect");
723 task = ZOOM_connection_add_task(c, ZOOM_TASK_SEARCH);
724 task->u.search.resultset = r;
725 task->u.search.start = start;
726 task->u.search.count = count;
727 task->u.search.recv_search_fired = 0;
729 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
730 task->u.search.syntax = syntax ? xstrdup(syntax) : 0;
731 elementSetName = ZOOM_options_get(r->options, "elementSetName");
732 task->u.search.elementSetName = elementSetName
733 ? xstrdup(elementSetName) : 0;
735 ZOOM_resultset_addref(r);
737 ZOOM_query_addref(q);
741 while (ZOOM_event(1, &c))
748 ZOOM_resultset_sort(ZOOM_resultset r,
749 const char *sort_type, const char *sort_spec)
751 (void) ZOOM_resultset_sort1(r, sort_type, sort_spec);
755 ZOOM_resultset_sort1(ZOOM_resultset r,
756 const char *sort_type, const char *sort_spec)
758 ZOOM_connection c = r->connection;
762 newq = ZOOM_query_create();
763 if (ZOOM_query_sortby(newq, sort_spec) < 0)
766 yaz_log(c->log_api, "%p ZOOM_resultset_sort r=%p sort_type=%s sort_spec=%s",
767 r, r, sort_type, sort_spec);
771 if (c->host_port && c->proto == PROTO_HTTP)
775 yaz_log(c->log_details, "%p ZOOM_resultset_sort: no comstack", r);
776 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
780 yaz_log(c->log_details, "%p ZOOM_resultset_sort: prepare reconnect",
786 ZOOM_resultset_cache_reset(r);
787 task = ZOOM_connection_add_task(c, ZOOM_TASK_SORT);
788 task->u.sort.resultset = r;
789 task->u.sort.q = newq;
791 ZOOM_resultset_addref(r);
795 while (ZOOM_event(1, &c))
803 ZOOM_resultset_destroy(ZOOM_resultset r)
805 resultset_destroy(r);
808 static void resultset_destroy(ZOOM_resultset r)
812 yaz_mutex_enter(r->mutex);
814 yaz_log(log_details0, "%p ZOOM_resultset_destroy r=%p count=%d",
816 if (r->refcount == 0)
818 yaz_mutex_leave(r->mutex);
820 yaz_log(log_details0, "%p ZOOM_connection resultset_destroy: Deleting resultset (%p) ", r->connection, r);
821 ZOOM_resultset_cache_reset(r);
822 ZOOM_resultset_release(r);
823 ZOOM_query_destroy(r->query);
824 ZOOM_options_destroy(r->options);
828 yaz_mutex_destroy(&r->mutex);
830 YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
835 yaz_mutex_leave(r->mutex);
839 ZOOM_resultset_size(ZOOM_resultset r)
844 int ZOOM_test_reconnect(ZOOM_connection c)
848 if (!c->reconnect_ok)
850 ZOOM_connection_close(c);
852 c->tasks->running = 0;
853 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
855 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
856 ZOOM_connection_put_event(c, event);
861 static void ZOOM_resultset_retrieve(ZOOM_resultset r,
862 int force_sync, int start, int count)
867 const char *syntax, *elementSetName;
871 yaz_log(log_details0, "%p ZOOM_resultset_retrieve force_sync=%d start=%d"
872 " count=%d", r, force_sync, start, count);
877 if (c->host_port && c->proto == PROTO_HTTP)
881 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: no comstack", r);
882 ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
886 yaz_log(log_details0, "%p ZOOM_resultset_retrieve: prepare "
891 task = ZOOM_connection_add_task(c, ZOOM_TASK_RETRIEVE);
892 task->u.retrieve.resultset = r;
893 task->u.retrieve.start = start;
894 task->u.retrieve.count = count;
896 syntax = ZOOM_options_get(r->options, "preferredRecordSyntax");
897 task->u.retrieve.syntax = syntax ? xstrdup(syntax) : 0;
898 elementSetName = ZOOM_options_get(r->options, "elementSetName");
899 task->u.retrieve.elementSetName = elementSetName
900 ? xstrdup(elementSetName) : 0;
902 cp = ZOOM_options_get(r->options, "schema");
905 if (!r->schema || strcmp(r->schema, cp))
908 r->schema = xstrdup(cp);
912 ZOOM_resultset_addref(r);
914 if (!r->connection->async || force_sync)
915 while (r->connection && ZOOM_event(1, &r->connection))
920 ZOOM_resultset_records(ZOOM_resultset r, ZOOM_record *recs,
921 size_t start, size_t count)
923 int force_present = 0;
927 yaz_log(log_api0, "%p ZOOM_resultset_records r=%p start=%ld count=%ld",
928 r, r, (long) start, (long) count);
931 ZOOM_resultset_retrieve(r, force_present, start, count);
935 for (i = 0; i< count; i++)
936 recs[i] = ZOOM_resultset_record_immediate(r, i+start);
941 ZOOM_resultset_facets_size(ZOOM_resultset r) {
942 return r->num_facets;
945 ZOOM_API(ZOOM_facet_field)
946 ZOOM_resultset_get_facet_field(ZOOM_resultset r, const char *name) {
947 int num = r->num_facets;
948 ZOOM_facet_field *facets = r->facets;
950 for (index = 0; index < num; index++) {
951 if (!strcmp(facets[index]->facet_name, name)) {
952 return facets[index];
959 ZOOM_API(ZOOM_facet_field *)
960 ZOOM_resultset_facets(ZOOM_resultset r)
965 ZOOM_API(const char**)
966 ZOOM_resultset_facet_names(ZOOM_resultset r)
968 return (const char **) r->facets_names;
971 ZOOM_API(const char*)
972 ZOOM_facet_field_name(ZOOM_facet_field field)
974 return field->facet_name;
978 ZOOM_facet_field_term_count(ZOOM_facet_field field)
980 return field->num_terms;
983 ZOOM_API(const char*)
984 ZOOM_facet_field_get_term(ZOOM_facet_field field, size_t idx, int *freq) {
985 *freq = field->facet_terms[idx].frequency;
986 return field->facet_terms[idx].term;
990 static void get_cert(ZOOM_connection c)
995 if (cs_get_peer_certificate_x509(c->cs, &cert_buf, &cert_len))
997 ZOOM_connection_option_setl(c, "sslPeerCert",
1003 static zoom_ret do_connect_host(ZOOM_connection c,
1004 const char *effective_host,
1005 const char *logical_url);
1007 static zoom_ret do_connect(ZOOM_connection c)
1009 const char *effective_host;
1012 effective_host = c->proxy;
1014 effective_host = c->host_port;
1015 return do_connect_host(c, effective_host, c->host_port);
1018 static zoom_ret do_connect_host(ZOOM_connection c, const char *effective_host,
1019 const char *logical_url)
1023 yaz_log(c->log_details, "%p do_connect effective_host=%s", c, effective_host);
1027 c->cs = cs_create_host(effective_host, 0, &add);
1029 if (c->cs && c->cs->protocol == PROTO_HTTP)
1036 c->proto = PROTO_HTTP;
1037 cs_get_host_args(logical_url, &db);
1040 c->path = xmalloc(strlen(db) * 3 + 2);
1041 yaz_encode_sru_dbpath_buf(c->path, db);
1044 ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
1045 ZOOM_connection_close(c);
1046 return zoom_complete;
1051 int ret = cs_connect(c->cs, add);
1054 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1055 ZOOM_connection_put_event(c, event);
1057 if (c->proto == PROTO_Z3950)
1058 ZOOM_connection_Z3950_send_init(c);
1061 /* no init request for SRW .. */
1062 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1063 ZOOM_connection_remove_task(c);
1064 ZOOM_connection_set_mask(c, 0);
1065 ZOOM_connection_exec_task(c);
1067 c->state = STATE_ESTABLISHED;
1068 return zoom_pending;
1072 int mask = ZOOM_SELECT_EXCEPT;
1073 if (c->cs->io_pending & CS_WANT_WRITE)
1074 mask += ZOOM_SELECT_WRITE;
1075 if (c->cs->io_pending & CS_WANT_READ)
1076 mask += ZOOM_SELECT_READ;
1077 ZOOM_connection_set_mask(c, mask);
1078 c->state = STATE_CONNECTING;
1079 return zoom_pending;
1082 c->state = STATE_IDLE;
1083 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, logical_url);
1084 return zoom_complete;
1087 /* returns 1 if PDU was sent OK (still pending )
1088 0 if PDU was not sent OK (nothing to wait for)
1091 ZOOM_API(ZOOM_record)
1092 ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
1094 const char *syntax =
1095 ZOOM_options_get(s->options, "preferredRecordSyntax");
1096 const char *elementSetName =
1097 ZOOM_options_get(s->options, "elementSetName");
1099 return ZOOM_record_cache_lookup(s, pos, syntax, elementSetName);
1102 ZOOM_API(ZOOM_record)
1103 ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
1105 ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
1110 * MIKE: I think force_sync should always be zero, but I don't
1111 * want to make this change until I get the go-ahead from
1112 * Adam, in case something depends on the old synchronous
1116 if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
1117 ZOOM_resultset_retrieve(r, force_sync, pos, 1);
1118 rec = ZOOM_resultset_record_immediate(r, pos);
1123 ZOOM_API(ZOOM_scanset)
1124 ZOOM_connection_scan(ZOOM_connection c, const char *start)
1127 ZOOM_query q = ZOOM_query_create();
1129 ZOOM_query_prefix(q, start);
1131 s = ZOOM_connection_scan1(c, q);
1132 ZOOM_query_destroy(q);
1137 ZOOM_API(ZOOM_scanset)
1138 ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
1140 ZOOM_scanset scan = 0;
1141 Z_Query *z_query = ZOOM_query_get_Z_Query(q);
1145 scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
1146 scan->connection = c;
1147 scan->odr = odr_createmem(ODR_DECODE);
1148 scan->options = ZOOM_options_create_with_parent(c->options);
1150 scan->scan_response = 0;
1151 scan->srw_scan_response = 0;
1154 ZOOM_query_addref(q);
1155 scan->databaseNames = ZOOM_connection_get_databases(c, c->options,
1156 &scan->num_databaseNames,
1161 ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
1162 task->u.scan.scan = scan;
1167 while (ZOOM_event(1, &c))
1175 ZOOM_scanset_destroy(ZOOM_scanset scan)
1180 if (scan->refcount == 0)
1182 ZOOM_query_destroy(scan->query);
1184 odr_destroy(scan->odr);
1186 ZOOM_options_destroy(scan->options);
1191 static zoom_ret send_package(ZOOM_connection c)
1195 yaz_log(c->log_details, "%p send_package", c);
1197 return zoom_complete;
1198 assert (c->tasks->which == ZOOM_TASK_PACKAGE);
1200 event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
1201 ZOOM_connection_put_event(c, event);
1203 c->buf_out = c->tasks->u.package->buf_out;
1204 c->len_out = c->tasks->u.package->len_out;
1206 return ZOOM_send_buf(c);
1210 ZOOM_scanset_size(ZOOM_scanset scan)
1215 if (scan->scan_response && scan->scan_response->entries)
1216 return scan->scan_response->entries->num_entries;
1217 else if (scan->srw_scan_response)
1218 return scan->srw_scan_response->num_terms;
1222 static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
1224 const char **value_term, size_t *value_len,
1225 const char **disp_term, size_t *disp_len)
1227 size_t noent = ZOOM_scanset_size(scan);
1238 if (scan->scan_response)
1240 Z_ScanResponse *res = scan->scan_response;
1241 if (res->entries->entries[pos]->which == Z_Entry_termInfo)
1243 Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
1245 *value_term = (const char *) t->term->u.general->buf;
1246 *value_len = t->term->u.general->len;
1249 *disp_term = t->displayTerm;
1250 *disp_len = strlen(*disp_term);
1252 else if (t->term->which == Z_Term_general)
1254 *disp_term = (const char *) t->term->u.general->buf;
1255 *disp_len = t->term->u.general->len;
1257 *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
1260 if (scan->srw_scan_response)
1262 Z_SRW_scanResponse *res = scan->srw_scan_response;
1263 Z_SRW_scanTerm *t = res->terms + pos;
1266 *value_term = t->value;
1267 *value_len = strlen(*value_term);
1270 *disp_term = t->displayTerm;
1272 *disp_term = t->value;
1273 *disp_len = strlen(*disp_term);
1274 *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
1279 ZOOM_API(const char *)
1280 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
1281 size_t *occ, size_t *len)
1283 const char *value_term = 0;
1284 size_t value_len = 0;
1285 const char *disp_term = 0;
1286 size_t disp_len = 0;
1288 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1289 &disp_term, &disp_len);
1295 ZOOM_API(const char *)
1296 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
1297 size_t *occ, size_t *len)
1299 const char *value_term = 0;
1300 size_t value_len = 0;
1301 const char *disp_term = 0;
1302 size_t disp_len = 0;
1304 ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
1305 &disp_term, &disp_len);
1311 ZOOM_API(const char *)
1312 ZOOM_scanset_option_get(ZOOM_scanset scan, const char *key)
1314 return ZOOM_options_get(scan->options, key);
1318 ZOOM_scanset_option_set(ZOOM_scanset scan, const char *key,
1321 ZOOM_options_set(scan->options, key, val);
1325 ZOOM_API(ZOOM_package)
1326 ZOOM_connection_package(ZOOM_connection c, ZOOM_options options)
1328 ZOOM_package p = (ZOOM_package) xmalloc(sizeof(*p));
1331 p->odr_out = odr_createmem(ODR_ENCODE);
1332 p->options = ZOOM_options_create_with_parent2(options, c->options);
1340 ZOOM_package_destroy(ZOOM_package p)
1345 if (p->refcount == 0)
1347 odr_destroy(p->odr_out);
1350 ZOOM_options_destroy(p->options);
1355 ZOOM_API(const char *)
1356 ZOOM_package_option_get(ZOOM_package p, const char *key)
1358 return ZOOM_options_get(p->options, key);
1361 ZOOM_API(const char *)
1362 ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp)
1364 return ZOOM_options_getl(p->options, key, lenp);
1368 ZOOM_package_option_set(ZOOM_package p, const char *key,
1371 ZOOM_options_set(p->options, key, val);
1375 ZOOM_package_option_setl(ZOOM_package p, const char *key,
1376 const char *val, int len)
1378 ZOOM_options_setl(p->options, key, val, len);
1382 ZOOM_connection_exec_task(ZOOM_connection c)
1384 ZOOM_task task = c->tasks;
1385 zoom_ret ret = zoom_complete;
1389 yaz_log(c->log_details, "%p ZOOM_connection_exec_task type=%d run=%d",
1390 c, task->which, task->running);
1391 if (c->error != ZOOM_ERROR_NONE)
1393 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1394 "removing tasks because of error = %d", c, c->error);
1395 ZOOM_connection_remove_tasks(c);
1400 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1401 "task already running", c);
1405 ret = zoom_complete;
1406 if (c->cs || task->which == ZOOM_TASK_CONNECT)
1408 switch (task->which)
1410 case ZOOM_TASK_SEARCH:
1411 if (c->proto == PROTO_HTTP)
1412 ret = ZOOM_connection_srw_send_search(c);
1414 ret = ZOOM_connection_Z3950_send_search(c);
1416 case ZOOM_TASK_RETRIEVE:
1417 if (c->proto == PROTO_HTTP)
1418 ret = ZOOM_connection_srw_send_search(c);
1420 ret = send_Z3950_present(c);
1422 case ZOOM_TASK_CONNECT:
1423 ret = do_connect(c);
1425 case ZOOM_TASK_SCAN:
1426 if (c->proto == PROTO_HTTP)
1427 ret = ZOOM_connection_srw_send_scan(c);
1429 ret = ZOOM_connection_Z3950_send_scan(c);
1431 case ZOOM_TASK_PACKAGE:
1432 ret = send_package(c);
1434 case ZOOM_TASK_SORT:
1435 c->tasks->u.sort.resultset->r_sort_spec =
1436 ZOOM_query_get_sortspec(c->tasks->u.sort.q);
1437 ret = send_Z3950_sort(c, c->tasks->u.sort.resultset);
1443 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1444 "remove tasks because no connection exist", c);
1445 ZOOM_connection_remove_tasks(c);
1447 if (ret == zoom_complete)
1449 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1450 "task removed (complete)", c);
1451 ZOOM_connection_remove_task(c);
1454 yaz_log(c->log_details, "%p ZOOM_connection_exec_task "
1460 static Z_GDU *get_HTTP_Request_url(ODR odr, const char *url)
1462 Z_GDU *p = z_get_HTTP_Request(odr);
1463 const char *host = url;
1464 const char *cp0 = strstr(host, "://");
1465 const char *cp1 = 0;
1471 cp1 = strchr(cp0, '/');
1473 cp1 = cp0 + strlen(cp0);
1477 char *h = (char*) odr_malloc(odr, cp1 - cp0 + 1);
1478 memcpy (h, cp0, cp1 - cp0);
1480 z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, "Host", h);
1482 p->u.HTTP_Request->path = odr_strdup(odr, *cp1 ? cp1 : "/");
1486 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
1487 Z_HTTP_Response *cookie_hres)
1489 struct Z_HTTP_Header *h;
1490 Z_GDU *gdu = get_HTTP_Request_url(c->odr_out, uri);
1491 char *combined_cookies;
1492 int combined_cookies_len = 0;
1494 gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
1495 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
1498 for (h = cookie_hres->headers; h; h = h->next)
1500 if (!strcmp(h->name, "Set-Cookie"))
1504 if (!(cp = strchr(h->value, ';')))
1505 cp = h->value + strlen(h->value);
1506 if (cp - h->value >= 1) {
1507 combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
1508 memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
1509 combined_cookies[combined_cookies_len + cp - h->value] = '\0';
1510 strcat(combined_cookies,"; ");
1511 combined_cookies_len = strlen(combined_cookies);
1516 if (combined_cookies_len)
1518 z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
1519 "Cookie", combined_cookies);
1520 xfree(combined_cookies);
1523 if (c->user && c->password)
1525 z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
1526 c->user, c->password);
1528 if (!z_GDU(c->odr_out, &gdu, 0, 0))
1529 return zoom_complete;
1531 z_GDU(c->odr_print, &gdu, 0, 0);
1532 c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
1534 odr_reset(c->odr_out);
1535 return ZOOM_send_buf(c);
1539 void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
1540 const char *addinfo, const char *addinfo2)
1542 ZOOM_set_dset_error(c, error, "HTTP", addinfo, addinfo2);
1547 static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
1549 zoom_ret cret = zoom_complete;
1551 const char *addinfo = 0;
1552 const char *connection_head = z_HTTP_header_lookup(hres->headers,
1554 const char *location;
1556 ZOOM_connection_set_mask(c, 0);
1557 yaz_log(c->log_details, "%p handle_http", c);
1559 if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
1560 && (location = z_HTTP_header_lookup(hres->headers, "Location")))
1563 if (c->no_redirects > 10)
1565 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1566 c->no_redirects = 0;
1567 ZOOM_connection_close(c);
1571 /* since redirect may change host we just reconnect. A smarter
1572 implementation might check whether it's the same server */
1573 do_connect_host(c, location, 0);
1574 send_HTTP_redirect(c, location, hres);
1575 /* we're OK for now. Operation is not really complete */
1577 cret = zoom_pending;
1582 ret = ZOOM_handle_sru(c, hres, &cret);
1585 if (c->no_redirects) /* end of redirect. change hosts again */
1586 ZOOM_connection_close(c);
1588 c->no_redirects = 0;
1592 if (hres->code != 200)
1593 ZOOM_set_HTTP_error(c, hres->code, 0, 0);
1595 ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
1596 ZOOM_connection_close(c);
1598 if (cret == zoom_complete)
1600 yaz_log(c->log_details, "removing tasks in handle_http");
1601 ZOOM_connection_remove_task(c);
1605 if (!strcmp(hres->version, "1.0"))
1607 /* HTTP 1.0: only if Keep-Alive we stay alive.. */
1608 if (!connection_head || strcmp(connection_head, "Keep-Alive"))
1613 /* HTTP 1.1: only if no close we stay alive.. */
1614 if (connection_head && !strcmp(connection_head, "close"))
1619 ZOOM_connection_close(c);
1622 c->tasks->running = 0;
1623 ZOOM_connection_insert_task(c, ZOOM_TASK_CONNECT);
1624 c->reconnect_ok = 0;
1631 static int do_read(ZOOM_connection c)
1636 event = ZOOM_Event_create(ZOOM_EVENT_RECV_DATA);
1637 ZOOM_connection_put_event(c, event);
1639 r = cs_get(c->cs, &c->buf_in, &c->len_in);
1640 more = cs_more(c->cs);
1641 yaz_log(c->log_details, "%p do_read len=%d more=%d", c, r, more);
1646 if (!ZOOM_test_reconnect(c))
1648 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1649 ZOOM_connection_close(c);
1657 odr_reset(c->odr_in);
1658 odr_setbuf(c->odr_in, c->buf_in, r, 0);
1659 event = ZOOM_Event_create(ZOOM_EVENT_RECV_APDU);
1660 ZOOM_connection_put_event(c, event);
1662 if (!z_GDU(c->odr_in, &gdu, 0, 0))
1665 int err = odr_geterrorx(c->odr_in, &x);
1667 const char *element = odr_getelement(c->odr_in);
1668 yaz_snprintf(msg, sizeof(msg),
1669 "ODR code %d:%d element=%s offset=%d",
1670 err, x, element ? element : "<unknown>",
1671 odr_offset(c->odr_in));
1672 ZOOM_set_error(c, ZOOM_ERROR_DECODE, msg);
1675 FILE *ber_file = yaz_log_file();
1677 odr_dumpBER(ber_file, c->buf_in, r);
1679 ZOOM_connection_close(c);
1684 z_GDU(c->odr_print, &gdu, 0, 0);
1685 if (gdu->which == Z_GDU_Z3950)
1686 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
1687 else if (gdu->which == Z_GDU_HTTP_Response)
1690 handle_http(c, gdu->u.HTTP_Response);
1692 ZOOM_set_error(c, ZOOM_ERROR_DECODE, 0);
1693 ZOOM_connection_close(c);
1697 c->reconnect_ok = 0;
1702 static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out)
1707 event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
1708 ZOOM_connection_put_event(c, event);
1710 yaz_log(c->log_details, "%p do_write_ex len=%d", c, len_out);
1711 if ((r = cs_put(c->cs, buf_out, len_out)) < 0)
1713 yaz_log(c->log_details, "%p do_write_ex write failed", c);
1714 if (ZOOM_test_reconnect(c))
1716 return zoom_pending;
1718 if (c->state == STATE_CONNECTING)
1719 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1721 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1722 ZOOM_connection_close(c);
1723 return zoom_complete;
1727 int mask = ZOOM_SELECT_EXCEPT;
1728 if (c->cs->io_pending & CS_WANT_WRITE)
1729 mask += ZOOM_SELECT_WRITE;
1730 if (c->cs->io_pending & CS_WANT_READ)
1731 mask += ZOOM_SELECT_READ;
1732 ZOOM_connection_set_mask(c, mask);
1733 yaz_log(c->log_details, "%p do_write_ex write incomplete mask=%d",
1738 ZOOM_connection_set_mask(c, ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT);
1739 yaz_log(c->log_details, "%p do_write_ex write complete mask=%d",
1742 return zoom_pending;
1745 zoom_ret ZOOM_send_buf(ZOOM_connection c)
1747 return do_write_ex(c, c->buf_out, c->len_out);
1751 ZOOM_API(const char *)
1752 ZOOM_connection_option_get(ZOOM_connection c, const char *key)
1754 return ZOOM_options_get(c->options, key);
1757 ZOOM_API(const char *)
1758 ZOOM_connection_option_getl(ZOOM_connection c, const char *key, int *lenp)
1760 return ZOOM_options_getl(c->options, key, lenp);
1764 ZOOM_connection_option_set(ZOOM_connection c, const char *key,
1767 ZOOM_options_set(c->options, key, val);
1771 ZOOM_connection_option_setl(ZOOM_connection c, const char *key,
1772 const char *val, int len)
1774 ZOOM_options_setl(c->options, key, val, len);
1777 ZOOM_API(const char *)
1778 ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
1780 return ZOOM_options_get(r->options, key);
1784 ZOOM_resultset_option_set(ZOOM_resultset r, const char *key,
1787 ZOOM_options_set(r->options, key, val);
1792 ZOOM_connection_errcode(ZOOM_connection c)
1794 return ZOOM_connection_error(c, 0, 0);
1797 ZOOM_API(const char *)
1798 ZOOM_connection_errmsg(ZOOM_connection c)
1801 ZOOM_connection_error(c, &msg, 0);
1805 ZOOM_API(const char *)
1806 ZOOM_connection_addinfo(ZOOM_connection c)
1808 const char *addinfo;
1809 ZOOM_connection_error(c, 0, &addinfo);
1813 ZOOM_API(const char *)
1814 ZOOM_connection_diagset(ZOOM_connection c)
1816 const char *diagset;
1817 ZOOM_connection_error_x(c, 0, 0, &diagset);
1821 ZOOM_API(const char *)
1822 ZOOM_diag_str(int error)
1826 case ZOOM_ERROR_NONE:
1828 case ZOOM_ERROR_CONNECT:
1829 return "Connect failed";
1830 case ZOOM_ERROR_MEMORY:
1831 return "Out of memory";
1832 case ZOOM_ERROR_ENCODE:
1833 return "Encoding failed";
1834 case ZOOM_ERROR_DECODE:
1835 return "Decoding failed";
1836 case ZOOM_ERROR_CONNECTION_LOST:
1837 return "Connection lost";
1838 case ZOOM_ERROR_INIT:
1839 return "Init rejected";
1840 case ZOOM_ERROR_INTERNAL:
1841 return "Internal failure";
1842 case ZOOM_ERROR_TIMEOUT:
1844 case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
1845 return "Unsupported protocol";
1846 case ZOOM_ERROR_UNSUPPORTED_QUERY:
1847 return "Unsupported query type";
1848 case ZOOM_ERROR_INVALID_QUERY:
1849 return "Invalid query";
1850 case ZOOM_ERROR_CQL_PARSE:
1851 return "CQL parsing error";
1852 case ZOOM_ERROR_CQL_TRANSFORM:
1853 return "CQL transformation error";
1854 case ZOOM_ERROR_CCL_CONFIG:
1855 return "CCL configuration error";
1856 case ZOOM_ERROR_CCL_PARSE:
1857 return "CCL parsing error";
1859 return diagbib1_str(error);
1864 ZOOM_connection_error_x(ZOOM_connection c, const char **cp,
1865 const char **addinfo, const char **diagset)
1867 int error = c->error;
1870 if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
1871 *cp = ZOOM_diag_str(error);
1872 else if (!strcmp(c->diagset, "HTTP"))
1873 *cp = z_HTTP_errmsg(c->error);
1874 else if (!strcmp(c->diagset, "Bib-1"))
1875 *cp = ZOOM_diag_str(error);
1876 else if (!strcmp(c->diagset, "info:srw/diagnostic/1"))
1877 *cp = yaz_diag_srw_str(c->error);
1879 *cp = "Unknown error and diagnostic set";
1882 *addinfo = c->addinfo ? c->addinfo : "";
1884 *diagset = c->diagset ? c->diagset : "";
1889 ZOOM_connection_error(ZOOM_connection c, const char **cp,
1890 const char **addinfo)
1892 return ZOOM_connection_error_x(c, cp, addinfo, 0);
1895 static void ZOOM_connection_do_io(ZOOM_connection c, int mask)
1897 ZOOM_Event event = 0;
1898 int r = cs_look(c->cs);
1899 yaz_log(c->log_details, "%p ZOOM_connection_do_io mask=%d cs_look=%d",
1904 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1905 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1906 ZOOM_connection_close(c);
1907 ZOOM_connection_put_event(c, event);
1909 else if (r == CS_CONNECT)
1911 int ret = ret = cs_rcvconnect(c->cs);
1912 yaz_log(c->log_details, "%p ZOOM_connection_do_io "
1913 "cs_rcvconnect returned %d", c, ret);
1916 int mask = ZOOM_SELECT_EXCEPT;
1917 if (c->cs->io_pending & CS_WANT_WRITE)
1918 mask += ZOOM_SELECT_WRITE;
1919 if (c->cs->io_pending & CS_WANT_READ)
1920 mask += ZOOM_SELECT_READ;
1921 ZOOM_connection_set_mask(c, mask);
1922 event = ZOOM_Event_create(ZOOM_EVENT_NONE);
1923 ZOOM_connection_put_event(c, event);
1927 event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
1928 ZOOM_connection_put_event(c, event);
1930 if (c->proto == PROTO_Z3950)
1931 ZOOM_connection_Z3950_send_init(c);
1934 /* no init request for SRW .. */
1935 assert(c->tasks->which == ZOOM_TASK_CONNECT);
1936 ZOOM_connection_remove_task(c);
1937 ZOOM_connection_set_mask(c, 0);
1938 ZOOM_connection_exec_task(c);
1940 c->state = STATE_ESTABLISHED;
1944 ZOOM_set_error(c, ZOOM_ERROR_CONNECT, c->host_port);
1945 ZOOM_connection_close(c);
1950 if (mask & ZOOM_SELECT_EXCEPT)
1952 if (!ZOOM_test_reconnect(c))
1954 ZOOM_set_error(c, ZOOM_ERROR_CONNECTION_LOST, c->host_port);
1955 ZOOM_connection_close(c);
1959 if (mask & ZOOM_SELECT_READ)
1961 if (c->cs && (mask & ZOOM_SELECT_WRITE))
1967 ZOOM_connection_last_event(ZOOM_connection cs)
1970 return ZOOM_EVENT_NONE;
1971 return cs->last_event;
1975 ZOOM_API(int) ZOOM_connection_fire_event_timeout(ZOOM_connection c)
1979 ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
1980 /* timeout and this connection was waiting */
1981 ZOOM_set_error(c, ZOOM_ERROR_TIMEOUT, 0);
1982 ZOOM_connection_close(c);
1983 ZOOM_connection_put_event(c, event);
1989 ZOOM_connection_process(ZOOM_connection c)
1995 event = ZOOM_connection_get_event(c);
1998 ZOOM_Event_destroy(event);
2001 ZOOM_connection_exec_task(c);
2002 event = ZOOM_connection_get_event(c);
2005 ZOOM_Event_destroy(event);
2012 ZOOM_event_nonblock(int no, ZOOM_connection *cs)
2016 yaz_log(log_details0, "ZOOM_process_event(no=%d,cs=%p)", no, cs);
2018 for (i = 0; i<no; i++)
2020 ZOOM_connection c = cs[i];
2022 if (c && ZOOM_connection_process(c))
2028 ZOOM_API(int) ZOOM_connection_fire_event_socket(ZOOM_connection c, int mask)
2030 if (c->mask && mask)
2031 ZOOM_connection_do_io(c, mask);
2035 ZOOM_API(int) ZOOM_connection_get_socket(ZOOM_connection c)
2038 return cs_fileno(c->cs);
2042 ZOOM_API(int) ZOOM_connection_set_mask(ZOOM_connection c, int mask)
2050 ZOOM_API(int) ZOOM_connection_get_mask(ZOOM_connection c)
2057 ZOOM_API(int) ZOOM_connection_get_timeout(ZOOM_connection c)
2059 return ZOOM_options_get_int(c->options, "timeout", 30);
2062 ZOOM_API(void) ZOOM_connection_close(ZOOM_connection c)
2067 ZOOM_connection_set_mask(c, 0);
2068 c->state = STATE_IDLE;
2074 * c-file-style: "Stroustrup"
2075 * indent-tabs-mode: nil
2077 * vim: shiftwidth=4 tabstop=8 expandtab