1 /* $Id: http_command.c,v 1.55 2007-06-28 09:36:10 adam Exp $
2 Copyright (c) 2006-2007, Index Data.
4 This file is part of Pazpar2.
6 Pazpar2 is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with Pazpar2; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 * $Id: http_command.c,v 1.55 2007-06-28 09:36:10 adam Exp $
27 #include <sys/types.h>
34 #include <yaz/snprintf.h>
39 #include <yaz/yaz-util.h>
46 #include "http_command.h"
50 // Update this when the protocol changes
51 #define PAZPAR2_PROTOCOL_VERSION "1"
54 IOCHAN timeout_iochan; // NOTE: This is NOT associated with a socket
55 struct session *psession;
56 unsigned int session_id;
59 struct http_session *next;
62 static struct http_session *session_list = 0;
63 void http_session_destroy(struct http_session *s);
65 static void session_timeout(IOCHAN i, int event)
67 struct http_session *s = iochan_getdata(i);
68 http_session_destroy(s);
71 struct http_session *http_session_create()
73 NMEM nmem = nmem_create();
74 struct http_session *r = nmem_malloc(nmem, sizeof(*r));
76 r->psession = new_session(nmem);
80 r->next = session_list;
82 r->timeout_iochan = iochan_create(-1, session_timeout, 0);
83 iochan_setdata(r->timeout_iochan, r);
84 iochan_settimeout(r->timeout_iochan, global_parameters.session_timeout);
86 pazpar2_add_channel(r->timeout_iochan);
90 void http_session_destroy(struct http_session *s)
92 struct http_session **p;
94 for (p = &session_list; *p; p = &(*p)->next)
100 yaz_log(YLOG_LOG, "Destroying session %u", s->session_id);
101 iochan_destroy(s->timeout_iochan);
102 destroy_session(s->psession);
103 nmem_destroy(s->nmem);
106 static const char *get_msg(enum pazpar2_error_code code)
108 struct pazpar2_error_msg {
109 enum pazpar2_error_code code;
112 static const struct pazpar2_error_msg ar[] = {
113 { PAZPAR2_NO_SESSION, "Session does not exist or it has expired"},
114 { PAZPAR2_MISSING_PARAMETER, "Missing parameter"},
115 { PAZPAR2_MALFORMED_PARAMETER_VALUE, "Malformed parameter value"},
116 { PAZPAR2_MALFORMED_PARAMETER_ENCODING, "Malformed parameter encoding"},
117 { PAZPAR2_MALFORMED_SETTING, "Malformed setting argument"},
118 { PAZPAR2_HITCOUNTS_FAILED, "Failed to retrieve hitcounts"},
119 { PAZPAR2_RECORD_MISSING, "Record missing"},
120 { PAZPAR2_NO_TARGETS, "No targets"},
121 { PAZPAR2_CONFIG_TARGET, "Target cannot be configured"},
122 { PAZPAR2_RECORD_FAIL, "Record command failed"},
123 { PAZPAR2_NOT_IMPLEMENTED, "Not implemented"},
124 { PAZPAR2_LAST_ERROR, "Last error"},
130 if (code == ar[i].code)
137 static void error(struct http_response *rs,
138 enum pazpar2_error_code code,
141 struct http_channel *c = rs->channel;
143 const char *http_status = "417";
144 const char *msg = get_msg(code);
146 rs->msg = nmem_strdup(c->nmem, msg);
147 strcpy(rs->code, http_status);
149 yaz_snprintf(text, sizeof(text),
150 "<error code=\"%d\" msg=\"%s\">%s</error>", (int) code,
151 msg, addinfo ? addinfo : "");
153 yaz_log(YLOG_WARN, "HTTP %s %s%s%s", http_status,
154 msg, addinfo ? ": " : "" , addinfo ? addinfo : "");
155 rs->payload = nmem_strdup(c->nmem, text);
156 http_send_response(c);
159 unsigned int make_sessionid()
165 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);
184 static struct http_session *locate_session(struct http_request *rq, struct http_response *rs)
186 struct http_session *p;
187 char *session = http_argbyname(rq, "session");
192 error(rs, PAZPAR2_MISSING_PARAMETER, "session");
196 for (p = session_list; p; p = p->next)
197 if (id == p->session_id)
199 iochan_activity(p->timeout_iochan);
202 error(rs, PAZPAR2_NO_SESSION, session);
206 // Decode settings parameters and apply to session
207 // Syntax: setting[target]=value
208 static int process_settings(struct session *se, struct http_request *rq,
209 struct http_response *rs)
211 struct http_argument *a;
213 for (a = rq->arguments; a; a = a->next)
214 if (strchr(a->name, '['))
221 // Nmem_strsplit *rules*!!!
222 nmem_strsplit(se->session_nmem, "[]", a->name, &res, &num);
225 error(rs, PAZPAR2_MALFORMED_SETTING, a->name);
230 session_apply_setting(se, dbname, setting,
231 nmem_strdup(se->session_nmem, a->value));
236 static void cmd_exit(struct http_channel *c)
238 yaz_log(YLOG_WARN, "exit");
242 static void cmd_init(struct http_channel *c)
246 const char *clear = http_argbyname(c->request, "clear");
247 struct http_session *s = http_session_create();
248 struct http_response *rs = c->response;
250 yaz_log(YLOG_DEBUG, "HTTP Session init");
251 if (!clear || *clear == '0')
252 session_init_databases(s->psession);
254 yaz_log(YLOG_LOG, "No databases preloaded");
255 sesid = make_sessionid();
256 s->session_id = sesid;
257 if (process_settings(s->psession, c->request, c->response) < 0)
259 sprintf(buf, "<init><status>OK</status><session>%u</session>"
260 "<protocol>" PAZPAR2_PROTOCOL_VERSION "</protocol></init>", sesid);
261 rs->payload = nmem_strdup(c->nmem, buf);
262 http_send_response(c);
265 static void cmd_settings(struct http_channel *c)
267 struct http_response *rs = c->response;
268 struct http_request *rq = c->request;
269 struct http_session *s = locate_session(rq, rs);
274 if (process_settings(s->psession, rq, rs) < 0)
276 rs->payload = "<settings><status>OK</status></settings>";
277 http_send_response(c);
280 // Compares two hitsbytarget nodes by hitcount
281 static int cmp_ht(const void *p1, const void *p2)
283 const struct hitsbytarget *h1 = p1;
284 const struct hitsbytarget *h2 = p2;
285 return h2->hits - h1->hits;
288 // This implements functionality somewhat similar to 'bytarget', but in a termlist form
289 static void targets_termlist(WRBUF wrbuf, struct session *se, int num)
291 struct hitsbytarget *ht;
294 if (!(ht = hitsbytarget(se, &count)))
296 qsort(ht, count, sizeof(struct hitsbytarget), cmp_ht);
297 for (i = 0; i < count && i < num && ht[i].hits > 0; i++)
300 // do only print terms which have display names
302 wrbuf_puts(wrbuf, "<term>\n");
304 wrbuf_puts(wrbuf, "<id>");
305 wrbuf_xmlputs(wrbuf, ht[i].id);
306 wrbuf_puts(wrbuf, "</id>\n");
308 wrbuf_puts(wrbuf, "<name>");
309 if (!ht[i].name || !ht[i].name[0])
310 wrbuf_xmlputs(wrbuf, "NO TARGET NAME");
312 wrbuf_xmlputs(wrbuf, ht[i].name);
313 wrbuf_puts(wrbuf, "</name>\n");
315 wrbuf_printf(wrbuf, "<frequency>%d</frequency>\n", ht[i].hits);
317 wrbuf_puts(wrbuf, "<state>");
318 wrbuf_xmlputs(wrbuf, ht[i].state);
319 wrbuf_puts(wrbuf, "</state>\n");
321 wrbuf_printf(wrbuf, "<diagnostic>%d</diagnostic>\n",
323 wrbuf_puts(wrbuf, "</term>\n");
327 static void cmd_termlist(struct http_channel *c)
329 struct http_response *rs = c->response;
330 struct http_request *rq = c->request;
331 struct http_session *s = locate_session(rq, rs);
332 struct termlist_score **p;
335 char *name = http_argbyname(rq, "name");
336 char *nums = http_argbyname(rq, "num");
343 status = session_active_clients(s->psession);
347 if (strlen(name) > 255)
352 wrbuf_rewind(c->wrbuf);
354 wrbuf_puts(c->wrbuf, "<termlist>\n");
355 wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", status);
361 if (!(tp = strchr(name, ',')))
362 tp = name + strlen(name);
363 strncpy(tname, name, tp - name);
364 tname[tp - name] = '\0';
366 wrbuf_puts(c->wrbuf, "<list name=\"");
367 wrbuf_xmlputs(c->wrbuf, tname);
368 wrbuf_puts(c->wrbuf, "\">\n");
369 if (!strcmp(tname, "xtargets"))
370 targets_termlist(c->wrbuf, s->psession, num);
373 p = termlist(s->psession, tname, &len);
375 for (i = 0; i < len && i < num; i++){
376 // prevnt sending empty term elements
377 if (!p[i]->term || !p[i]->term[0])
380 wrbuf_puts(c->wrbuf, "<term>");
381 wrbuf_puts(c->wrbuf, "<name>");
382 wrbuf_xmlputs(c->wrbuf, p[i]->term);
383 wrbuf_puts(c->wrbuf, "</name>");
385 wrbuf_printf(c->wrbuf,
386 "<frequency>%d</frequency>",
388 wrbuf_puts(c->wrbuf, "</term>\n");
391 wrbuf_puts(c->wrbuf, "</list>\n");
396 wrbuf_puts(c->wrbuf, "</termlist>\n");
397 rs->payload = nmem_strdup(rq->channel->nmem, wrbuf_cstr(c->wrbuf));
398 http_send_response(c);
402 static void cmd_bytarget(struct http_channel *c)
404 struct http_response *rs = c->response;
405 struct http_request *rq = c->request;
406 struct http_session *s = locate_session(rq, rs);
407 struct hitsbytarget *ht;
412 if (!(ht = hitsbytarget(s->psession, &count)))
414 error(rs, PAZPAR2_HITCOUNTS_FAILED, 0);
417 wrbuf_rewind(c->wrbuf);
418 wrbuf_puts(c->wrbuf, "<bytarget><status>OK</status>");
420 for (i = 0; i < count; i++)
422 wrbuf_puts(c->wrbuf, "\n<target>");
424 wrbuf_puts(c->wrbuf, "<id>");
425 wrbuf_xmlputs(c->wrbuf, ht[i].id);
426 wrbuf_puts(c->wrbuf, "</id>\n");
428 wrbuf_printf(c->wrbuf, "<hits>%d</hits>\n", ht[i].hits);
429 wrbuf_printf(c->wrbuf, "<diagnostic>%d</diagnostic>\n", ht[i].diagnostic);
430 wrbuf_printf(c->wrbuf, "<records>%d</records>\n", ht[i].records);
432 wrbuf_puts(c->wrbuf, "<state>");
433 wrbuf_xmlputs(c->wrbuf, ht[i].state);
434 wrbuf_puts(c->wrbuf, "</state>\n");
436 wrbuf_puts(c->wrbuf, "</target>");
439 wrbuf_puts(c->wrbuf, "</bytarget>");
440 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
441 http_send_response(c);
444 static void write_metadata(WRBUF w, struct conf_service *service,
445 struct record_metadata **ml, int full)
449 for (imeta = 0; imeta < service->num_metadata; imeta++)
451 struct conf_metadata *cmd = &service->metadata[imeta];
452 struct record_metadata *md;
453 if (!cmd->brief && !full)
455 for (md = ml[imeta]; md; md = md->next)
457 wrbuf_printf(w, "\n<md-%s>", cmd->name);
461 case Metadata_type_generic:
462 wrbuf_xmlputs(w, md->data.text);
464 case Metadata_type_year:
465 wrbuf_printf(w, "%d", md->data.number.min);
466 if (md->data.number.min != md->data.number.max)
467 wrbuf_printf(w, "-%d", md->data.number.max);
470 wrbuf_puts(w, "[can't represent]");
472 wrbuf_printf(w, "</md-%s>", cmd->name);
477 static void write_subrecord(struct record *r, WRBUF w,
478 struct conf_service *service, int show_details)
480 char *name = session_setting_oneval(client_get_database(r->client), PZ_NAME);
482 wrbuf_puts(w, "<location id=\"");
483 wrbuf_xmlputs(w, client_get_database(r->client)->database->url);
484 wrbuf_puts(w, "\" ");
486 wrbuf_puts(w, "name=\"");
487 wrbuf_xmlputs(w, *name ? name : "Unknown");
488 wrbuf_puts(w, "\">");
491 write_metadata(w, service, r->metadata, 1);
492 wrbuf_puts(w, "</location>\n");
495 static void show_raw_record_error(void *data, const char *addinfo)
497 http_channel_observer_t obs = data;
498 struct http_channel *c = http_channel_observer_chan(obs);
499 struct http_response *rs = c->response;
501 http_remove_observer(obs);
503 error(rs, PAZPAR2_NOT_IMPLEMENTED, addinfo);
506 static void show_raw_record_ok(void *data, const char *buf, size_t sz)
508 http_channel_observer_t obs = data;
509 struct http_channel *c = http_channel_observer_chan(obs);
510 struct http_response *rs = c->response;
512 http_remove_observer(obs);
514 wrbuf_write(c->wrbuf, buf, sz);
515 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
516 http_send_response(c);
519 void show_raw_reset(void *data, struct http_channel *c)
521 struct client *client = data;
522 client_show_raw_reset(client);
525 static void cmd_record(struct http_channel *c)
527 struct http_response *rs = c->response;
528 struct http_request *rq = c->request;
529 struct http_session *s = locate_session(rq, rs);
530 struct record_cluster *rec;
532 struct conf_service *service = global_parameters.server->service;
533 const char *idstr = http_argbyname(rq, "id");
534 const char *offsetstr = http_argbyname(rq, "offset");
542 error(rs, PAZPAR2_MISSING_PARAMETER, "id");
545 wrbuf_rewind(c->wrbuf);
547 if (!(rec = show_single(s->psession, id)))
549 error(rs, PAZPAR2_RECORD_MISSING, idstr);
554 int offset = atoi(offsetstr);
555 const char *syntax = http_argbyname(rq, "syntax");
556 const char *esn = http_argbyname(rq, "esn");
558 struct record*r = rec->records;
560 for (i = 0; i < offset && r; r = r->next, i++)
564 error(rs, PAZPAR2_RECORD_FAIL, "no record at offset given");
569 http_channel_observer_t obs =
570 http_add_observer(c, r->client, show_raw_reset);
571 if (client_show_raw_begin(r->client, r->position, syntax, esn,
573 show_raw_record_error,
576 http_remove_observer(obs);
577 error(rs, PAZPAR2_RECORD_FAIL, "invalid parameters");
584 wrbuf_puts(c->wrbuf, "<record>\n");
585 wrbuf_printf(c->wrbuf, "<recid>%d</recid>\n", rec->recid);
586 write_metadata(c->wrbuf, service, rec->metadata, 1);
587 for (r = rec->records; r; r = r->next)
588 write_subrecord(r, c->wrbuf, service, 1);
589 wrbuf_puts(c->wrbuf, "</record>\n");
590 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
591 http_send_response(c);
595 static void show_records(struct http_channel *c, int active)
597 struct http_request *rq = c->request;
598 struct http_response *rs = c->response;
599 struct http_session *s = locate_session(rq, rs);
600 struct record_cluster **rl;
601 struct reclist_sortparms *sp;
602 char *start = http_argbyname(rq, "start");
603 char *num = http_argbyname(rq, "num");
604 char *sort = http_argbyname(rq, "sort");
614 // We haven't counted clients yet if we're called on a block release
616 active = session_active_clients(s->psession);
619 startn = atoi(start);
624 if (!(sp = reclist_parse_sortparms(c->nmem, sort)))
626 error(rs, PAZPAR2_MALFORMED_PARAMETER_VALUE, "sort");
630 rl = show(s->psession, sp, startn, &numn, &total, &total_hits, c->nmem);
632 wrbuf_rewind(c->wrbuf);
633 wrbuf_puts(c->wrbuf, "<show>\n<status>OK</status>\n");
634 wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", active);
635 wrbuf_printf(c->wrbuf, "<merged>%d</merged>\n", total);
636 wrbuf_printf(c->wrbuf, "<total>%d</total>\n", total_hits);
637 wrbuf_printf(c->wrbuf, "<start>%d</start>\n", startn);
638 wrbuf_printf(c->wrbuf, "<num>%d</num>\n", numn);
640 for (i = 0; i < numn; i++)
644 struct record_cluster *rec = rl[i];
645 struct conf_service *service = global_parameters.server->service;
647 wrbuf_puts(c->wrbuf, "<hit>\n");
648 write_metadata(c->wrbuf, service, rec->metadata, 0);
649 for (ccount = 0, p = rl[i]->records; p; p = p->next, ccount++)
650 write_subrecord(p, c->wrbuf, service, 0); // subrecs w/o details
652 wrbuf_printf(c->wrbuf, "<count>%d</count>\n", ccount);
653 wrbuf_printf(c->wrbuf, "<recid>%d</recid>\n", rec->recid);
654 wrbuf_puts(c->wrbuf, "</hit>\n");
657 wrbuf_puts(c->wrbuf, "</show>\n");
658 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
659 http_send_response(c);
662 static void show_records_ready(void *data)
664 struct http_channel *c = (struct http_channel *) data;
669 static void cmd_show(struct http_channel *c)
671 struct http_request *rq = c->request;
672 struct http_response *rs = c->response;
673 struct http_session *s = locate_session(rq, rs);
674 char *block = http_argbyname(rq, "block");
680 status = session_active_clients(s->psession);
684 if (status && (!s->psession->reclist || !s->psession->reclist->num_records))
686 // if there is already a watch/block. we do not block this one
687 if (session_set_watch(s->psession,
688 SESSION_WATCH_RECORDS,
689 show_records_ready, c, c) == 0)
691 yaz_log(YLOG_DEBUG, "Blocking on cmd_show");
697 show_records(c, status);
700 static void cmd_ping(struct http_channel *c)
702 struct http_request *rq = c->request;
703 struct http_response *rs = c->response;
704 struct http_session *s = locate_session(rq, rs);
707 rs->payload = "<ping><status>OK</status></ping>";
708 http_send_response(c);
711 static int utf_8_valid(const char *str)
713 yaz_iconv_t cd = yaz_iconv_open("utf-8", "utf-8");
716 /* check that query is UTF-8 encoded */
717 char *inbuf = (char *) str; /* we know iconv does not alter this */
718 size_t inbytesleft = strlen(inbuf);
720 size_t outbytesleft = strlen(inbuf) + 10;
721 char *out = xmalloc(outbytesleft);
723 size_t r = yaz_iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
725 /* if OK, try flushing the rest */
726 if (r != (size_t) (-1))
727 r = yaz_iconv(cd, 0, 0, &outbuf, &outbytesleft);
730 if (r == (size_t) (-1))
736 static void cmd_search(struct http_channel *c)
738 struct http_request *rq = c->request;
739 struct http_response *rs = c->response;
740 struct http_session *s = locate_session(rq, rs);
741 char *query = http_argbyname(rq, "query");
742 char *filter = http_argbyname(rq, "filter");
743 enum pazpar2_error_code code;
744 const char *addinfo = 0;
750 error(rs, PAZPAR2_MISSING_PARAMETER, "query");
753 if (!utf_8_valid(query))
755 error(rs, PAZPAR2_MALFORMED_PARAMETER_ENCODING, "query");
758 code = search(s->psession, query, filter, &addinfo);
761 error(rs, code, addinfo);
764 rs->payload = "<search><status>OK</status></search>";
765 http_send_response(c);
769 static void cmd_stat(struct http_channel *c)
771 struct http_request *rq = c->request;
772 struct http_response *rs = c->response;
773 struct http_session *s = locate_session(rq, rs);
774 struct statistics stat;
780 clients = session_active_clients(s->psession);
781 statistics(s->psession, &stat);
783 wrbuf_rewind(c->wrbuf);
784 wrbuf_puts(c->wrbuf, "<stat>");
785 wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", clients);
786 wrbuf_printf(c->wrbuf, "<hits>%d</hits>\n", stat.num_hits);
787 wrbuf_printf(c->wrbuf, "<records>%d</records>\n", stat.num_records);
788 wrbuf_printf(c->wrbuf, "<clients>%d</clients>\n", stat.num_clients);
789 wrbuf_printf(c->wrbuf, "<unconnected>%d</unconnected>\n", stat.num_no_connection);
790 wrbuf_printf(c->wrbuf, "<connecting>%d</connecting>\n", stat.num_connecting);
791 wrbuf_printf(c->wrbuf, "<initializing>%d</initializing>\n", stat.num_initializing);
792 wrbuf_printf(c->wrbuf, "<searching>%d</searching>\n", stat.num_searching);
793 wrbuf_printf(c->wrbuf, "<presenting>%d</presenting>\n", stat.num_presenting);
794 wrbuf_printf(c->wrbuf, "<idle>%d</idle>\n", stat.num_idle);
795 wrbuf_printf(c->wrbuf, "<failed>%d</failed>\n", stat.num_failed);
796 wrbuf_printf(c->wrbuf, "<error>%d</error>\n", stat.num_error);
797 wrbuf_puts(c->wrbuf, "</stat>");
798 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
799 http_send_response(c);
802 static void cmd_info(struct http_channel *c)
804 char yaz_version_str[20];
805 struct http_response *rs = c->response;
807 wrbuf_rewind(c->wrbuf);
808 wrbuf_puts(c->wrbuf, "<info>\n");
809 wrbuf_puts(c->wrbuf, " <version>\n");
810 wrbuf_puts(c->wrbuf, "<pazpar2>");
811 wrbuf_xmlputs(c->wrbuf, VERSION);
812 wrbuf_puts(c->wrbuf, "</pazpar2>");
815 yaz_version(yaz_version_str, 0);
816 wrbuf_puts(c->wrbuf, " <yaz compiled=\"");
817 wrbuf_xmlputs(c->wrbuf, YAZ_VERSION);
818 wrbuf_puts(c->wrbuf, "\">");
819 wrbuf_xmlputs(c->wrbuf, yaz_version_str);
820 wrbuf_puts(c->wrbuf, "</yaz>\n");
822 wrbuf_puts(c->wrbuf, " </version>\n");
824 wrbuf_puts(c->wrbuf, "</info>");
825 rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
826 http_send_response(c);
831 void (*fun)(struct http_channel *c);
833 { "init", cmd_init },
834 { "settings", cmd_settings },
835 { "stat", cmd_stat },
836 { "bytarget", cmd_bytarget },
837 { "show", cmd_show },
838 { "search", cmd_search },
839 { "termlist", cmd_termlist },
840 { "exit", cmd_exit },
841 { "ping", cmd_ping },
842 { "record", cmd_record },
843 { "info", cmd_info },
847 void http_command(struct http_channel *c)
849 char *command = http_argbyname(c->request, "command");
850 struct http_response *rs = http_create_response(c);
855 http_addheader(rs, "Expires", "Thu, 19 Nov 1981 08:52:00 GMT");
856 http_addheader(rs, "Cache-Control", "no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
860 error(rs, PAZPAR2_MISSING_PARAMETER, "command");
863 for (i = 0; commands[i].name; i++)
864 if (!strcmp(commands[i].name, command))
866 (*commands[i].fun)(c);
869 if (!commands[i].name)
870 error(rs, PAZPAR2_MALFORMED_PARAMETER_VALUE, "command");
878 * indent-tabs-mode: nil
880 * vim: shiftwidth=4 tabstop=8 expandtab