1 /* This file is part of Pazpar2.
2 Copyright (C) 2006-2009 Index Data
4 Pazpar2 is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
9 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 #include <sys/types.h>
33 #include <yaz/snprintf.h>
34 #include <yaz/yaz-util.h>
40 #include "http_command.h"
44 // Update this when the protocol changes
45 #define PAZPAR2_PROTOCOL_VERSION "1"
48 IOCHAN timeout_iochan; // NOTE: This is NOT associated with a socket
49 struct session *psession;
50 unsigned int session_id;
53 struct http_session *next;
56 static struct http_session *session_list = 0;
57 void http_session_destroy(struct http_session *s);
59 static void session_timeout(IOCHAN i, int event)
61 struct http_session *s = iochan_getdata(i);
62 http_session_destroy(s);
65 struct http_session *http_session_create(struct conf_service *service)
67 NMEM nmem = nmem_create();
68 struct http_session *r = nmem_malloc(nmem, sizeof(*r));
70 r->psession = new_session(nmem, service);
74 r->next = session_list;
76 r->timeout_iochan = iochan_create(-1, session_timeout, 0);
77 iochan_setdata(r->timeout_iochan, r);
78 iochan_settimeout(r->timeout_iochan, global_parameters.session_timeout);
80 pazpar2_add_channel(r->timeout_iochan);
84 void http_session_destroy(struct http_session *s)
86 struct http_session **p;
88 for (p = &session_list; *p; p = &(*p)->next)
94 yaz_log(YLOG_LOG, "Destroying session %u", s->session_id);
95 iochan_destroy(s->timeout_iochan);
96 destroy_session(s->psession);
97 nmem_destroy(s->nmem);
100 static const char *get_msg(enum pazpar2_error_code code)
102 struct pazpar2_error_msg {
103 enum pazpar2_error_code code;
106 static const struct pazpar2_error_msg ar[] = {
107 { PAZPAR2_NO_SESSION, "Session does not exist or it has expired"},
108 { PAZPAR2_MISSING_PARAMETER, "Missing parameter"},
109 { PAZPAR2_MALFORMED_PARAMETER_VALUE, "Malformed parameter value"},
110 { PAZPAR2_MALFORMED_PARAMETER_ENCODING, "Malformed parameter encoding"},
111 { PAZPAR2_MALFORMED_SETTING, "Malformed setting argument"},
112 { PAZPAR2_HITCOUNTS_FAILED, "Failed to retrieve hitcounts"},
113 { PAZPAR2_RECORD_MISSING, "Record missing"},
114 { PAZPAR2_NO_TARGETS, "No targets"},
115 { PAZPAR2_CONFIG_TARGET, "Target cannot be configured"},
116 { PAZPAR2_RECORD_FAIL, "Record command failed"},
117 { PAZPAR2_NOT_IMPLEMENTED, "Not implemented"},
118 { PAZPAR2_LAST_ERROR, "Last error"},
124 if (code == ar[i].code)
131 static void error(struct http_response *rs,
132 enum pazpar2_error_code code,
135 struct http_channel *c = rs->channel;
136 WRBUF text = wrbuf_alloc();
137 const char *http_status = "417";
138 const char *msg = get_msg(code);
140 rs->msg = nmem_strdup(c->nmem, msg);
141 strcpy(rs->code, http_status);
143 wrbuf_printf(text, "<error code=\"%d\" msg=\"%s\">", (int) code,
146 wrbuf_xmlputs(text, addinfo);
147 wrbuf_puts(text, "</error>");
149 yaz_log(YLOG_WARN, "HTTP %s %s%s%s", http_status,
150 msg, addinfo ? ": " : "" , addinfo ? addinfo : "");
151 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(text));
153 http_send_response(c);
156 unsigned int make_sessionid(void)
162 if (global_parameters.debug_mode)
171 if (gettimeofday(&t, 0) < 0)
173 yaz_log(YLOG_WARN|YLOG_ERRNO, "gettimeofday");
176 /* at most 256 sessions per second ..
177 (long long would be more appropriate)*/
179 res = ((res << 8) | (seq & 0xff)) & ((1U << 31) - 1);
185 static struct http_session *locate_session(struct http_request *rq, struct http_response *rs)
187 struct http_session *p;
188 char *session = http_argbyname(rq, "session");
193 error(rs, PAZPAR2_MISSING_PARAMETER, "session");
197 for (p = session_list; p; p = p->next)
198 if (id == p->session_id)
200 iochan_activity(p->timeout_iochan);
203 error(rs, PAZPAR2_NO_SESSION, session);
207 // Decode settings parameters and apply to session
208 // Syntax: setting[target]=value
209 static int process_settings(struct session *se, struct http_request *rq,
210 struct http_response *rs)
212 struct http_argument *a;
214 for (a = rq->arguments; a; a = a->next)
215 if (strchr(a->name, '['))
222 // Nmem_strsplit *rules*!!!
223 nmem_strsplit(se->session_nmem, "[]", a->name, &res, &num);
226 error(rs, PAZPAR2_MALFORMED_SETTING, a->name);
231 session_apply_setting(se, dbname, setting,
232 nmem_strdup(se->session_nmem, a->value));
237 static void cmd_exit(struct http_channel *c)
239 yaz_log(YLOG_WARN, "exit");
243 static struct conf_service *locate_service(const char *service_name)
245 return global_parameters.server->service;
248 static void cmd_init(struct http_channel *c)
252 const char *clear = http_argbyname(c->request, "clear");
253 const char *service_name = http_argbyname(c->request, "service");
254 struct http_session *s = http_session_create(locate_service(service_name));
255 struct http_response *rs = c->response;
257 yaz_log(YLOG_DEBUG, "HTTP Session init");
258 if (!clear || *clear == '0')
259 session_init_databases(s->psession);
261 yaz_log(YLOG_LOG, "No databases preloaded");
262 sesid = make_sessionid();
263 s->session_id = sesid;
264 if (process_settings(s->psession, c->request, c->response) < 0)
266 sprintf(buf, "<init><status>OK</status><session>%u</session>"
267 "<protocol>" PAZPAR2_PROTOCOL_VERSION "</protocol></init>", sesid);
268 rs->payload = nmem_strdup(c->nmem, buf);
269 http_send_response(c);
272 static void cmd_settings(struct http_channel *c)
274 struct http_response *rs = c->response;
275 struct http_request *rq = c->request;
276 struct http_session *s = locate_session(rq, rs);
281 if (process_settings(s->psession, rq, rs) < 0)
283 rs->payload = "<settings><status>OK</status></settings>";
284 http_send_response(c);
287 // Compares two hitsbytarget nodes by hitcount
288 static int cmp_ht(const void *p1, const void *p2)
290 const struct hitsbytarget *h1 = p1;
291 const struct hitsbytarget *h2 = p2;
292 return h2->hits - h1->hits;
295 // This implements functionality somewhat similar to 'bytarget', but in a termlist form
296 static void targets_termlist(WRBUF wrbuf, struct session *se, int num,
299 struct hitsbytarget *ht;
302 ht = hitsbytarget(se, &count, nmem);
303 qsort(ht, count, sizeof(struct hitsbytarget), cmp_ht);
304 for (i = 0; i < count && i < num && ht[i].hits > 0; i++)
307 // do only print terms which have display names
309 wrbuf_puts(wrbuf, "<term>\n");
311 wrbuf_puts(wrbuf, "<id>");
312 wrbuf_xmlputs(wrbuf, ht[i].id);
313 wrbuf_puts(wrbuf, "</id>\n");
315 wrbuf_puts(wrbuf, "<name>");
316 if (!ht[i].name || !ht[i].name[0])
317 wrbuf_xmlputs(wrbuf, "NO TARGET NAME");
319 wrbuf_xmlputs(wrbuf, ht[i].name);
320 wrbuf_puts(wrbuf, "</name>\n");
322 wrbuf_printf(wrbuf, "<frequency>%d</frequency>\n", ht[i].hits);
324 wrbuf_puts(wrbuf, "<state>");
325 wrbuf_xmlputs(wrbuf, ht[i].state);
326 wrbuf_puts(wrbuf, "</state>\n");
328 wrbuf_printf(wrbuf, "<diagnostic>%d</diagnostic>\n",
330 wrbuf_puts(wrbuf, "</term>\n");
334 static void cmd_termlist(struct http_channel *c)
336 struct http_response *rs = c->response;
337 struct http_request *rq = c->request;
338 struct http_session *s = locate_session(rq, rs);
339 struct termlist_score **p;
342 char *name = http_argbyname(rq, "name");
343 char *nums = http_argbyname(rq, "num");
350 status = session_active_clients(s->psession);
354 if (strlen(name) > 255)
359 wrbuf_rewind(c->wrbuf);
361 wrbuf_puts(c->wrbuf, "<termlist>\n");
362 wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", status);
368 if (!(tp = strchr(name, ',')))
369 tp = name + strlen(name);
370 strncpy(tname, name, tp - name);
371 tname[tp - name] = '\0';
373 wrbuf_puts(c->wrbuf, "<list name=\"");
374 wrbuf_xmlputs(c->wrbuf, tname);
375 wrbuf_puts(c->wrbuf, "\">\n");
376 if (!strcmp(tname, "xtargets"))
377 targets_termlist(c->wrbuf, s->psession, num, c->nmem);
380 p = termlist(s->psession, tname, &len);
382 for (i = 0; i < len && i < num; i++){
383 // prevnt sending empty term elements
384 if (!p[i]->term || !p[i]->term[0])
387 wrbuf_puts(c->wrbuf, "<term>");
388 wrbuf_puts(c->wrbuf, "<name>");
389 wrbuf_xmlputs(c->wrbuf, p[i]->term);
390 wrbuf_puts(c->wrbuf, "</name>");
392 wrbuf_printf(c->wrbuf,
393 "<frequency>%d</frequency>",
395 wrbuf_puts(c->wrbuf, "</term>\n");
398 wrbuf_puts(c->wrbuf, "</list>\n");
403 wrbuf_puts(c->wrbuf, "</termlist>\n");
404 rs->payload = nmem_strdup(rq->channel->nmem, wrbuf_cstr(c->wrbuf));
405 http_send_response(c);
409 static void cmd_bytarget(struct http_channel *c)
411 struct http_response *rs = c->response;
412 struct http_request *rq = c->request;
413 struct http_session *s = locate_session(rq, rs);
414 struct hitsbytarget *ht;
419 ht = hitsbytarget(s->psession, &count, c->nmem);
420 wrbuf_rewind(c->wrbuf);
421 wrbuf_puts(c->wrbuf, "<bytarget><status>OK</status>");
423 for (i = 0; i < count; i++)
425 wrbuf_puts(c->wrbuf, "\n<target>");
427 wrbuf_puts(c->wrbuf, "<id>");
428 wrbuf_xmlputs(c->wrbuf, ht[i].id);
429 wrbuf_puts(c->wrbuf, "</id>\n");
431 if (ht[i].name && ht[i].name[0])
433 wrbuf_puts(c->wrbuf, "<name>");
434 wrbuf_xmlputs(c->wrbuf, ht[i].name);
435 wrbuf_puts(c->wrbuf, "</name>\n");
438 wrbuf_printf(c->wrbuf, "<hits>%d</hits>\n", ht[i].hits);
439 wrbuf_printf(c->wrbuf, "<diagnostic>%d</diagnostic>\n", ht[i].diagnostic);
440 wrbuf_printf(c->wrbuf, "<records>%d</records>\n", ht[i].records);
442 wrbuf_puts(c->wrbuf, "<state>");
443 wrbuf_xmlputs(c->wrbuf, ht[i].state);
444 wrbuf_puts(c->wrbuf, "</state>\n");
446 wrbuf_puts(c->wrbuf, "</target>");
449 wrbuf_puts(c->wrbuf, "</bytarget>");
450 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
451 http_send_response(c);
454 static void write_metadata(WRBUF w, struct conf_service *service,
455 struct record_metadata **ml, int full)
459 for (imeta = 0; imeta < service->num_metadata; imeta++)
461 struct conf_metadata *cmd = &service->metadata[imeta];
462 struct record_metadata *md;
463 if (!cmd->brief && !full)
465 for (md = ml[imeta]; md; md = md->next)
467 wrbuf_printf(w, "\n<md-%s>", cmd->name);
471 case Metadata_type_generic:
472 wrbuf_xmlputs(w, md->data.text.disp);
474 case Metadata_type_year:
475 wrbuf_printf(w, "%d", md->data.number.min);
476 if (md->data.number.min != md->data.number.max)
477 wrbuf_printf(w, "-%d", md->data.number.max);
480 wrbuf_puts(w, "[can't represent]");
482 wrbuf_printf(w, "</md-%s>", cmd->name);
487 static void write_subrecord(struct record *r, WRBUF w,
488 struct conf_service *service, int show_details)
490 const char *name = session_setting_oneval(
491 client_get_database(r->client), PZ_NAME);
493 wrbuf_puts(w, "<location id=\"");
494 wrbuf_xmlputs(w, client_get_database(r->client)->database->url);
495 wrbuf_puts(w, "\" ");
497 wrbuf_puts(w, "name=\"");
498 wrbuf_xmlputs(w, *name ? name : "Unknown");
499 wrbuf_puts(w, "\">");
501 write_metadata(w, service, r->metadata, show_details);
502 wrbuf_puts(w, "</location>\n");
505 static void show_raw_record_error(void *data, const char *addinfo)
507 http_channel_observer_t obs = data;
508 struct http_channel *c = http_channel_observer_chan(obs);
509 struct http_response *rs = c->response;
511 http_remove_observer(obs);
513 error(rs, PAZPAR2_RECORD_FAIL, addinfo);
516 static void show_raw_record_ok(void *data, const char *buf, size_t sz)
518 http_channel_observer_t obs = data;
519 struct http_channel *c = http_channel_observer_chan(obs);
520 struct http_response *rs = c->response;
522 http_remove_observer(obs);
524 wrbuf_write(c->wrbuf, buf, sz);
525 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
526 http_send_response(c);
530 static void show_raw_record_ok_binary(void *data, const char *buf, size_t sz)
532 http_channel_observer_t obs = data;
533 struct http_channel *c = http_channel_observer_chan(obs);
534 struct http_response *rs = c->response;
536 http_remove_observer(obs);
538 wrbuf_write(c->wrbuf, buf, sz);
539 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
541 rs->content_type = "application/octet-stream";
542 http_send_response(c);
546 void show_raw_reset(void *data, struct http_channel *c, void *data2)
548 //struct client *client = data;
549 //client_show_raw_remove(client, data2);
552 static void cmd_record_ready(void *data);
554 static void cmd_record(struct http_channel *c)
556 struct http_response *rs = c->response;
557 struct http_request *rq = c->request;
558 struct http_session *s = locate_session(rq, rs);
559 struct record_cluster *rec, *prev_r, *next_r;
561 struct conf_service *service = s->psession->service;
562 const char *idstr = http_argbyname(rq, "id");
563 const char *offsetstr = http_argbyname(rq, "offset");
564 const char *binarystr = http_argbyname(rq, "binary");
570 error(rs, PAZPAR2_MISSING_PARAMETER, "id");
573 wrbuf_rewind(c->wrbuf);
574 if (!(rec = show_single(s->psession, idstr, &prev_r, &next_r)))
576 if (session_set_watch(s->psession, SESSION_WATCH_RECORD,
577 cmd_record_ready, c, c) != 0)
579 error(rs, PAZPAR2_RECORD_MISSING, idstr);
585 int offset = atoi(offsetstr);
586 const char *syntax = http_argbyname(rq, "syntax");
587 const char *esn = http_argbyname(rq, "esn");
589 struct record*r = rec->records;
592 if (binarystr && *binarystr != '0')
595 for (i = 0; i < offset && r; r = r->next, i++)
599 error(rs, PAZPAR2_RECORD_FAIL, "no record at offset given");
604 http_channel_observer_t obs =
605 http_add_observer(c, r->client, show_raw_reset);
606 int ret = client_show_raw_begin(r->client, r->position,
609 show_raw_record_error,
611 show_raw_record_ok_binary :
616 http_remove_observer(obs);
617 error(rs, PAZPAR2_NO_SESSION, 0);
623 wrbuf_puts(c->wrbuf, "<record>\n");
624 wrbuf_puts(c->wrbuf, "<recid>");
625 wrbuf_xmlputs(c->wrbuf, rec->recid);
626 wrbuf_puts(c->wrbuf, "</recid>\n");
629 wrbuf_puts(c->wrbuf, "<prevrecid>");
630 wrbuf_xmlputs(c->wrbuf, prev_r->recid);
631 wrbuf_puts(c->wrbuf, "</prevrecid>\n");
635 wrbuf_puts(c->wrbuf, "<nextrecid>");
636 wrbuf_xmlputs(c->wrbuf, next_r->recid);
637 wrbuf_puts(c->wrbuf, "</nextrecid>\n");
639 wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n",
640 session_active_clients(s->psession));
641 write_metadata(c->wrbuf, service, rec->metadata, 1);
642 for (r = rec->records; r; r = r->next)
643 write_subrecord(r, c->wrbuf, service, 1);
644 wrbuf_puts(c->wrbuf, "</record>\n");
645 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
646 http_send_response(c);
650 static void cmd_record_ready(void *data)
652 struct http_channel *c = (struct http_channel *) data;
657 static void show_records(struct http_channel *c, int active)
659 struct http_request *rq = c->request;
660 struct http_response *rs = c->response;
661 struct http_session *s = locate_session(rq, rs);
662 struct record_cluster **rl;
663 struct reclist_sortparms *sp;
664 char *start = http_argbyname(rq, "start");
665 char *num = http_argbyname(rq, "num");
666 char *sort = http_argbyname(rq, "sort");
676 // We haven't counted clients yet if we're called on a block release
678 active = session_active_clients(s->psession);
681 startn = atoi(start);
686 if (!(sp = reclist_parse_sortparms(c->nmem, sort, s->psession->service)))
688 error(rs, PAZPAR2_MALFORMED_PARAMETER_VALUE, "sort");
692 rl = show(s->psession, sp, startn, &numn, &total, &total_hits, c->nmem);
694 wrbuf_rewind(c->wrbuf);
695 wrbuf_puts(c->wrbuf, "<show>\n<status>OK</status>\n");
696 wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", active);
697 wrbuf_printf(c->wrbuf, "<merged>%d</merged>\n", total);
698 wrbuf_printf(c->wrbuf, "<total>%d</total>\n", total_hits);
699 wrbuf_printf(c->wrbuf, "<start>%d</start>\n", startn);
700 wrbuf_printf(c->wrbuf, "<num>%d</num>\n", numn);
702 for (i = 0; i < numn; i++)
706 struct record_cluster *rec = rl[i];
707 struct conf_service *service = s->psession->service;
709 wrbuf_puts(c->wrbuf, "<hit>\n");
710 write_metadata(c->wrbuf, service, rec->metadata, 0);
711 for (ccount = 0, p = rl[i]->records; p; p = p->next, ccount++)
712 write_subrecord(p, c->wrbuf, service, 0); // subrecs w/o details
714 wrbuf_printf(c->wrbuf, "<count>%d</count>\n", ccount);
715 wrbuf_puts(c->wrbuf, "<recid>");
716 wrbuf_xmlputs(c->wrbuf, rec->recid);
717 wrbuf_puts(c->wrbuf, "</recid>\n");
718 wrbuf_puts(c->wrbuf, "</hit>\n");
721 wrbuf_puts(c->wrbuf, "</show>\n");
722 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
723 http_send_response(c);
726 static void show_records_ready(void *data)
728 struct http_channel *c = (struct http_channel *) data;
733 static void cmd_show(struct http_channel *c)
735 struct http_request *rq = c->request;
736 struct http_response *rs = c->response;
737 struct http_session *s = locate_session(rq, rs);
738 char *block = http_argbyname(rq, "block");
744 status = session_active_clients(s->psession);
748 if (status && (!s->psession->reclist || !s->psession->reclist->num_records))
750 // if there is already a watch/block. we do not block this one
751 if (session_set_watch(s->psession, SESSION_WATCH_SHOW,
752 show_records_ready, c, c) != 0)
754 yaz_log(YLOG_DEBUG, "Blocking on cmd_show");
760 show_records(c, status);
763 static void cmd_ping(struct http_channel *c)
765 struct http_request *rq = c->request;
766 struct http_response *rs = c->response;
767 struct http_session *s = locate_session(rq, rs);
770 rs->payload = "<ping><status>OK</status></ping>";
771 http_send_response(c);
774 static int utf_8_valid(const char *str)
776 yaz_iconv_t cd = yaz_iconv_open("utf-8", "utf-8");
779 /* check that query is UTF-8 encoded */
780 char *inbuf = (char *) str; /* we know iconv does not alter this */
781 size_t inbytesleft = strlen(inbuf);
783 size_t outbytesleft = strlen(inbuf) + 10;
784 char *out = xmalloc(outbytesleft);
786 size_t r = yaz_iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
788 /* if OK, try flushing the rest */
789 if (r != (size_t) (-1))
790 r = yaz_iconv(cd, 0, 0, &outbuf, &outbytesleft);
793 if (r == (size_t) (-1))
799 static void cmd_search(struct http_channel *c)
801 struct http_request *rq = c->request;
802 struct http_response *rs = c->response;
803 struct http_session *s = locate_session(rq, rs);
804 char *query = http_argbyname(rq, "query");
805 char *filter = http_argbyname(rq, "filter");
806 enum pazpar2_error_code code;
807 const char *addinfo = 0;
813 error(rs, PAZPAR2_MISSING_PARAMETER, "query");
816 if (!utf_8_valid(query))
818 error(rs, PAZPAR2_MALFORMED_PARAMETER_ENCODING, "query");
821 code = search(s->psession, query, filter, &addinfo);
824 error(rs, code, addinfo);
827 rs->payload = "<search><status>OK</status></search>";
828 http_send_response(c);
832 static void cmd_stat(struct http_channel *c)
834 struct http_request *rq = c->request;
835 struct http_response *rs = c->response;
836 struct http_session *s = locate_session(rq, rs);
837 struct statistics stat;
845 clients = session_active_clients(s->psession);
846 statistics(s->psession, &stat);
848 if (stat.num_clients > 0) {
849 progress = (stat.num_clients - clients) / (float)stat.num_clients;
852 wrbuf_rewind(c->wrbuf);
853 wrbuf_puts(c->wrbuf, "<stat>");
854 wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", clients);
855 wrbuf_printf(c->wrbuf, "<hits>%d</hits>\n", stat.num_hits);
856 wrbuf_printf(c->wrbuf, "<records>%d</records>\n", stat.num_records);
857 wrbuf_printf(c->wrbuf, "<clients>%d</clients>\n", stat.num_clients);
858 wrbuf_printf(c->wrbuf, "<unconnected>%d</unconnected>\n", stat.num_no_connection);
859 wrbuf_printf(c->wrbuf, "<connecting>%d</connecting>\n", stat.num_connecting);
860 wrbuf_printf(c->wrbuf, "<working>%d</working>\n", stat.num_working);
861 wrbuf_printf(c->wrbuf, "<idle>%d</idle>\n", stat.num_idle);
862 wrbuf_printf(c->wrbuf, "<failed>%d</failed>\n", stat.num_failed);
863 wrbuf_printf(c->wrbuf, "<error>%d</error>\n", stat.num_error);
864 wrbuf_printf(c->wrbuf, "<progress>%.2f</progress>\n", progress);
865 wrbuf_puts(c->wrbuf, "</stat>");
866 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
867 http_send_response(c);
870 static void cmd_info(struct http_channel *c)
872 char yaz_version_str[20];
873 struct http_response *rs = c->response;
875 wrbuf_rewind(c->wrbuf);
876 wrbuf_puts(c->wrbuf, "<info>\n");
877 wrbuf_puts(c->wrbuf, " <version>\n");
878 wrbuf_puts(c->wrbuf, "<pazpar2");
879 #ifdef PAZPAR2_VERSION_SHA1
880 wrbuf_printf(c->wrbuf, " sha1=\"%s\"", PAZPAR2_VERSION_SHA1);
882 wrbuf_puts(c->wrbuf, ">");
883 wrbuf_xmlputs(c->wrbuf, VERSION);
884 wrbuf_puts(c->wrbuf, "</pazpar2>");
887 yaz_version(yaz_version_str, 0);
888 wrbuf_puts(c->wrbuf, " <yaz compiled=\"");
889 wrbuf_xmlputs(c->wrbuf, YAZ_VERSION);
890 wrbuf_puts(c->wrbuf, "\">");
891 wrbuf_xmlputs(c->wrbuf, yaz_version_str);
892 wrbuf_puts(c->wrbuf, "</yaz>\n");
894 wrbuf_puts(c->wrbuf, " </version>\n");
896 wrbuf_puts(c->wrbuf, "</info>");
897 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
898 http_send_response(c);
903 void (*fun)(struct http_channel *c);
905 { "init", cmd_init },
906 { "settings", cmd_settings },
907 { "stat", cmd_stat },
908 { "bytarget", cmd_bytarget },
909 { "show", cmd_show },
910 { "search", cmd_search },
911 { "termlist", cmd_termlist },
912 { "exit", cmd_exit },
913 { "ping", cmd_ping },
914 { "record", cmd_record },
915 { "info", cmd_info },
919 void http_command(struct http_channel *c)
921 char *command = http_argbyname(c->request, "command");
922 struct http_response *rs = http_create_response(c);
927 http_addheader(rs, "Expires", "Thu, 19 Nov 1981 08:52:00 GMT");
928 http_addheader(rs, "Cache-Control", "no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
932 error(rs, PAZPAR2_MISSING_PARAMETER, "command");
935 for (i = 0; commands[i].name; i++)
936 if (!strcmp(commands[i].name, command))
938 (*commands[i].fun)(c);
941 if (!commands[i].name)
942 error(rs, PAZPAR2_MALFORMED_PARAMETER_VALUE, "command");
950 * c-file-style: "Stroustrup"
951 * indent-tabs-mode: nil
953 * vim: shiftwidth=4 tabstop=8 expandtab