+/* $Id: http_command.c,v 1.32 2007-04-10 08:48:56 adam Exp $
+ Copyright (c) 2006-2007, Index Data.
+
+This file is part of Pazpar2.
+
+Pazpar2 is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Pazpar2; see the file LICENSE. If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+ */
+
/*
- * $Id: http_command.c,v 1.2 2006-12-20 22:19:35 adam Exp $
+ * $Id: http_command.c,v 1.32 2007-04-10 08:48:56 adam Exp $
*/
#include <stdio.h>
#include <ctype.h>
#include <sys/time.h>
+#if HAVE_CONFIG_H
+#include <cconfig.h>
+#endif
+
#include <yaz/yaz-util.h>
-#include "command.h"
+#include "config.h"
#include "util.h"
#include "eventl.h"
#include "pazpar2.h"
struct session *psession;
unsigned int session_id;
int timestamp;
+ NMEM nmem;
struct http_session *next;
};
struct http_session *http_session_create()
{
- struct http_session *r = xmalloc(sizeof(*r));
- r->psession = new_session();
+ NMEM nmem = nmem_create();
+ struct http_session *r = nmem_malloc(nmem, sizeof(*r));
+
+ r->psession = new_session(nmem);
r->session_id = 0;
r->timestamp = 0;
+ r->nmem = nmem;
r->next = session_list;
session_list = r;
r->timeout_iochan = iochan_create(-1, session_timeout, 0);
}
iochan_destroy(s->timeout_iochan);
destroy_session(s->psession);
- xfree(s);
+ nmem_destroy(s->nmem);
}
static void error(struct http_response *rs, char *code, char *msg, char *txt)
if (gettimeofday(&t, 0) < 0)
abort();
res = t.tv_sec;
- res = ((res << 8) | (seq & 0xff)) & ((unsigned int) (1 << 31) - 1);
+ res = ((res << 8) | (seq & 0xff)) & ((1U << 31) - 1);
return res;
}
http_send_response(c);
}
+// Compares two hitsbytarget nodes by hitcount
+static int cmp_ht(const void *p1, const void *p2)
+{
+ const struct hitsbytarget *h1 = p1;
+ const struct hitsbytarget *h2 = p2;
+ return h2->hits - h1->hits;
+}
+
+// This implements functionality somewhat similar to 'bytarget', but in a termlist form
+static void targets_termlist(WRBUF wrbuf, struct session *se, int num)
+{
+ struct hitsbytarget *ht;
+ int count, i;
+
+ if (!(ht = hitsbytarget(se, &count)))
+ return;
+ qsort(ht, count, sizeof(struct hitsbytarget), cmp_ht);
+ for (i = 0; i < count && i < num && ht[i].hits > 0; i++)
+ {
+ wrbuf_puts(wrbuf, "\n<term>\n");
+ wrbuf_printf(wrbuf, "<id>%s</id>\n", ht[i].id);
+ wrbuf_printf(wrbuf, "<name>%s</name>\n", ht[i].name);
+ wrbuf_printf(wrbuf, "<frequency>%d</frequency>\n", ht[i].hits);
+ wrbuf_printf(wrbuf, "<state>%s</state>\n", ht[i].state);
+ wrbuf_printf(wrbuf, "<diagnostic>%d</diagnostic>\n", ht[i].diagnostic);
+ wrbuf_puts(wrbuf, "\n</term>\n");
+ }
+}
+
static void cmd_termlist(struct http_channel *c)
{
struct http_response *rs = c->response;
struct termlist_score **p;
int len;
int i;
+ char *name = http_argbyname(rq, "name");
+ char *nums = http_argbyname(rq, "num");
+ int num = 15;
+ int status;
if (!s)
return;
+
+ status = session_active_clients(s->psession);
+
+ if (!name)
+ name = "subject";
+ if (strlen(name) > 255)
+ return;
+ if (nums)
+ num = atoi(nums);
+
wrbuf_rewind(c->wrbuf);
wrbuf_puts(c->wrbuf, "<termlist>");
- p = termlist(s->psession, &len);
- if (p)
- for (i = 0; i < len; i++)
+ wrbuf_printf(c->wrbuf, "\n<activeclients>%d</activeclients>", status);
+ while (*name)
+ {
+ char tname[256];
+ char *tp;
+
+ if (!(tp = strchr(name, ',')))
+ tp = name + strlen(name);
+ strncpy(tname, name, tp - name);
+ tname[tp - name] = '\0';
+
+ wrbuf_printf(c->wrbuf, "\n<list name=\"%s\">\n", tname);
+ if (!strcmp(tname, "xtargets"))
+ targets_termlist(c->wrbuf, s->psession, num);
+ else
{
- wrbuf_puts(c->wrbuf, "\n<term>");
- wrbuf_printf(c->wrbuf, "<name>%s</name>", p[i]->term);
- wrbuf_printf(c->wrbuf, "<frequency>%d</frequency>", p[i]->frequency);
- wrbuf_puts(c->wrbuf, "</term>");
+ p = termlist(s->psession, tname, &len);
+ if (p)
+ for (i = 0; i < len && i < num; i++)
+ {
+ wrbuf_puts(c->wrbuf, "\n<term>");
+ wrbuf_printf(c->wrbuf, "<name>%s</name>", p[i]->term);
+ wrbuf_printf(c->wrbuf, "<frequency>%d</frequency>", p[i]->frequency);
+ wrbuf_puts(c->wrbuf, "</term>");
+ }
}
+ wrbuf_puts(c->wrbuf, "\n</list>");
+ name = tp;
+ if (*name == ',')
+ name++;
+ }
wrbuf_puts(c->wrbuf, "</termlist>");
- rs->payload = nmem_strdup(rq->channel->nmem, wrbuf_buf(c->wrbuf));
+ rs->payload = nmem_strdup(rq->channel->nmem, wrbuf_cstr(c->wrbuf));
http_send_response(c);
}
}
wrbuf_puts(c->wrbuf, "</bytarget>");
- rs->payload = nmem_strdup(c->nmem, wrbuf_buf(c->wrbuf));
+ rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
http_send_response(c);
}
-static void show_records(struct http_channel *c)
+static void write_metadata(WRBUF w, struct conf_service *service,
+ struct record_metadata **ml, int full)
+{
+ int imeta;
+
+ for (imeta = 0; imeta < service->num_metadata; imeta++)
+ {
+ struct conf_metadata *cmd = &service->metadata[imeta];
+ struct record_metadata *md;
+ if (!cmd->brief && !full)
+ continue;
+ for (md = ml[imeta]; md; md = md->next)
+ {
+ wrbuf_printf(w, "<md-%s>", cmd->name);
+ switch (cmd->type)
+ {
+ case Metadata_type_generic:
+ wrbuf_puts(w, md->data.text);
+ break;
+ case Metadata_type_year:
+ wrbuf_printf(w, "%d", md->data.number.min);
+ if (md->data.number.min != md->data.number.max)
+ wrbuf_printf(w, "-%d", md->data.number.max);
+ break;
+ default:
+ wrbuf_puts(w, "[can't represent]");
+ }
+ wrbuf_printf(w, "</md-%s>", cmd->name);
+ }
+ }
+}
+
+static void write_subrecord(struct record *r, WRBUF w, struct conf_service *service)
+{
+ wrbuf_printf(w, "<location id=\"%s\" name=\"%s\">\n",
+ r->client->database->url,
+ r->client->database->name ? r->client->database->name : "");
+ write_metadata(w, service, r->metadata, 1);
+ wrbuf_puts(w, "</location>\n");
+}
+
+static void cmd_record(struct http_channel *c)
+{
+ struct http_response *rs = c->response;
+ struct http_request *rq = c->request;
+ struct http_session *s = locate_session(rq, rs);
+ struct record_cluster *rec;
+ struct record *r;
+ struct conf_service *service = global_parameters.server->service;
+ char *idstr = http_argbyname(rq, "id");
+ int id;
+
+ if (!s)
+ return;
+ if (!idstr)
+ {
+ error(rs, "417", "Must supply id", 0);
+ return;
+ }
+ wrbuf_rewind(c->wrbuf);
+ id = atoi(idstr);
+ if (!(rec = show_single(s->psession, id)))
+ {
+ error(rs, "500", "Record missing", 0);
+ return;
+ }
+ wrbuf_puts(c->wrbuf, "<record>\n");
+ wrbuf_printf(c->wrbuf, "<recid>%d</recid>", rec->recid);
+ write_metadata(c->wrbuf, service, rec->metadata, 1);
+ for (r = rec->records; r; r = r->next)
+ write_subrecord(r, c->wrbuf, service);
+ wrbuf_puts(c->wrbuf, "</record>\n");
+ rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
+ http_send_response(c);
+}
+
+static void show_records(struct http_channel *c, int active)
{
struct http_request *rq = c->request;
struct http_response *rs = c->response;
struct http_session *s = locate_session(rq, rs);
- struct record **rl;
- NMEM nmem_show;
+ struct record_cluster **rl;
+ struct reclist_sortparms *sp;
char *start = http_argbyname(rq, "start");
char *num = http_argbyname(rq, "num");
+ char *sort = http_argbyname(rq, "sort");
int startn = 0;
int numn = 20;
int total;
if (!s)
return;
+ // We haven't counted clients yet if we're called on a block release
+ if (active < 0)
+ active = session_active_clients(s->psession);
+
if (start)
startn = atoi(start);
if (num)
numn = atoi(num);
+ if (!sort)
+ sort = "relevance";
+ if (!(sp = reclist_parse_sortparms(c->nmem, sort)))
+ {
+ error(rs, "500", "Bad sort parameters", 0);
+ return;
+ }
- nmem_show = nmem_create();
- rl = show(s->psession, startn, &numn, &total, &total_hits, nmem_show);
+ rl = show(s->psession, sp, startn, &numn, &total, &total_hits, c->nmem);
wrbuf_rewind(c->wrbuf);
wrbuf_puts(c->wrbuf, "<show>\n<status>OK</status>\n");
+ wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", active);
wrbuf_printf(c->wrbuf, "<merged>%d</merged>\n", total);
wrbuf_printf(c->wrbuf, "<total>%d</total>\n", total_hits);
wrbuf_printf(c->wrbuf, "<start>%d</start>\n", startn);
{
int ccount;
struct record *p;
+ struct record_cluster *rec = rl[i];
+ struct conf_service *service = global_parameters.server->service;
wrbuf_puts(c->wrbuf, "<hit>\n");
- wrbuf_printf(c->wrbuf, "<title>%s</title>\n", rl[i]->title);
- for (ccount = 1, p = rl[i]->next_cluster; p; p = p->next_cluster, ccount++)
+ write_metadata(c->wrbuf, service, rec->metadata, 0);
+ for (ccount = 0, p = rl[i]->records; p; p = p->next, ccount++)
;
if (ccount > 1)
wrbuf_printf(c->wrbuf, "<count>%d</count>\n", ccount);
+ wrbuf_printf(c->wrbuf, "<recid>%d</recid>\n", rec->recid);
wrbuf_puts(c->wrbuf, "</hit>\n");
}
wrbuf_puts(c->wrbuf, "</show>\n");
- rs->payload = nmem_strdup(c->nmem, wrbuf_buf(c->wrbuf));
+ rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
http_send_response(c);
- nmem_destroy(nmem_show);
}
static void show_records_ready(void *data)
{
struct http_channel *c = (struct http_channel *) data;
- show_records(c);
+ show_records(c, -1);
}
static void cmd_show(struct http_channel *c)
struct http_response *rs = c->response;
struct http_session *s = locate_session(rq, rs);
char *block = http_argbyname(rq, "block");
+ int status;
if (!s)
return;
+ status = session_active_clients(s->psession);
+
if (block)
{
- if (!s->psession->reclist || !s->psession->reclist->num_records)
+ if (status && (!s->psession->reclist || !s->psession->reclist->num_records))
{
session_set_watch(s->psession, SESSION_WATCH_RECORDS, show_records_ready, c);
yaz_log(YLOG_DEBUG, "Blocking on cmd_show");
}
}
- show_records(c);
+ show_records(c, status);
}
static void cmd_ping(struct http_channel *c)
struct http_response *rs = c->response;
struct http_session *s = locate_session(rq, rs);
char *query = http_argbyname(rq, "query");
+ char *filter = http_argbyname(rq, "filter");
char *res;
if (!s)
error(rs, "417", "Must supply query", 0);
return;
}
- res = search(s->psession, query);
+ res = search(s->psession, query, filter);
if (res)
{
error(rs, "417", res, res);
struct http_response *rs = c->response;
struct http_session *s = locate_session(rq, rs);
struct statistics stat;
+ int clients;
if (!s)
return;
+ clients = session_active_clients(s->psession);
statistics(s->psession, &stat);
wrbuf_rewind(c->wrbuf);
wrbuf_puts(c->wrbuf, "<stat>");
+ wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", clients);
wrbuf_printf(c->wrbuf, "<hits>%d</hits>\n", stat.num_hits);
wrbuf_printf(c->wrbuf, "<records>%d</records>\n", stat.num_records);
wrbuf_printf(c->wrbuf, "<clients>%d</clients>\n", stat.num_clients);
wrbuf_printf(c->wrbuf, "<failed>%d</failed>\n", stat.num_failed);
wrbuf_printf(c->wrbuf, "<error>%d</error>\n", stat.num_error);
wrbuf_puts(c->wrbuf, "</stat>");
- rs->payload = nmem_strdup(c->nmem, wrbuf_buf(c->wrbuf));
+ rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
http_send_response(c);
}
+static void cmd_info(struct http_channel *c)
+{
+ char yaz_version_str[20];
+ struct http_response *rs = c->response;
+
+ wrbuf_rewind(c->wrbuf);
+ wrbuf_puts(c->wrbuf, "<info>\n");
+ wrbuf_printf(c->wrbuf, " <version>\n");
+ wrbuf_printf(c->wrbuf, " <pazpar2>%s</pazpar2>\n", VERSION);
+
+ yaz_version(yaz_version_str, 0);
+ wrbuf_printf(c->wrbuf, " <yaz compiled=\"%s\">%s</yaz>\n",
+ YAZ_VERSION, yaz_version_str);
+ wrbuf_printf(c->wrbuf, " </version>\n");
+
+ wrbuf_puts(c->wrbuf, "</info>");
+ rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
+ http_send_response(c);
+}
struct {
char *name;
{ "termlist", cmd_termlist },
{ "exit", cmd_exit },
{ "ping", cmd_ping },
+ { "record", cmd_record },
+ { "info", cmd_info },
{0,0}
};
int i;
c->response = rs;
+
+ http_addheader(rs, "Expires", "Thu, 19 Nov 1981 08:52:00 GMT");
+ http_addheader(rs, "Cache-Control", "no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
+
if (!command)
{
error(rs, "417", "Must supply command", 0);
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