+/* $Id: http_command.c,v 1.42 2007-05-15 15:50:48 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 1.13 2007-01-09 18:06:28 quinn Exp $
+ * $Id: http_command.c,v 1.42 2007-05-15 15:50:48 adam Exp $
*/
#include <stdio.h>
#include <yaz/yaz-util.h>
+#include "config.h"
#include "util.h"
#include "eventl.h"
#include "pazpar2.h"
#include "http.h"
#include "http_command.h"
+#include "settings.h"
+#include "client.h"
-extern struct parameters global_parameters;
-extern IOCHAN channel_list;
+// Update this when the protocol changes
+#define PAZPAR2_PROTOCOL_VERSION "1"
struct http_session {
IOCHAN timeout_iochan; // NOTE: This is NOT associated with a socket
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_setdata(r->timeout_iochan, r);
iochan_settimeout(r->timeout_iochan, global_parameters.session_timeout);
- r->timeout_iochan->next = channel_list;
- channel_list = r->timeout_iochan;
+
+ pazpar2_add_channel(r->timeout_iochan);
return r;
}
}
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)
unsigned int make_sessionid()
{
+ static int seq = 0;
+#if 1
+ return ++seq;
+#else
struct timeval t;
unsigned int res;
- static int seq = 0;
seq++;
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;
+#endif
}
static struct http_session *locate_session(struct http_request *rq, struct http_response *rs)
return 0;
}
+// Decode settings parameters and apply to session
+// Syntax: setting[target]=value
+static int process_settings(struct session *se, struct http_request *rq,
+ struct http_response *rs)
+{
+ struct http_argument *a;
+
+ for (a = rq->arguments; a; a = a->next)
+ if (strchr(a->name, '['))
+ {
+ char **res;
+ int num;
+ char *dbname;
+ char *setting;
+
+ // Nmem_strsplit *rules*!!!
+ nmem_strsplit(se->session_nmem, "[]", a->name, &res, &num);
+ if (num != 2)
+ {
+ error(rs, "417", "Malformed setting argument", 0);
+ yaz_log(YLOG_WARN, "Malformed setting: %s", a->name);
+ return -1;
+ }
+ setting = res[0];
+ dbname = res[1];
+ session_apply_setting(se, dbname, setting,
+ nmem_strdup(se->session_nmem, a->value));
+ }
+ return 0;
+}
+
static void cmd_exit(struct http_channel *c)
{
yaz_log(YLOG_WARN, "exit");
exit(0);
}
-
static void cmd_init(struct http_channel *c)
{
unsigned int sesid;
yaz_log(YLOG_DEBUG, "HTTP Session init");
sesid = make_sessionid();
s->session_id = sesid;
- sprintf(buf, "<init><status>OK</status><session>%u</session></init>", sesid);
+ if (process_settings(s->psession, c->request, c->response) < 0)
+ return;
+ sprintf(buf, "<init><status>OK</status><session>%u</session>"
+ "<protocol>" PAZPAR2_PROTOCOL_VERSION "</protocol></init>", sesid);
rs->payload = nmem_strdup(c->nmem, buf);
http_send_response(c);
}
+static void cmd_settings(struct http_channel *c)
+{
+ struct http_response *rs = c->response;
+ struct http_request *rq = c->request;
+ struct http_session *s = locate_session(rq, rs);
+
+ if (!s)
+ return;
+
+ if (process_settings(s->psession, rq, rs) < 0)
+ return;
+ rs->payload = "<settings><status>OK</status></settings>";
+ http_send_response(c);
+}
+
// Compares two hitsbytarget nodes by hitcount
static int cmp_ht(const void *p1, const void *p2)
{
}
// This implements functionality somewhat similar to 'bytarget', but in a termlist form
-static void targets_termlist(WRBUF wrbuf, struct session *se)
+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 < 15; i++)
+ for (i = 0; i < count && i < num && ht[i].hits > 0; i++)
{
wrbuf_puts(wrbuf, "\n<term>\n");
- wrbuf_printf(wrbuf, "<name>%s</name>\n", ht[i].id);
+ 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);
int len;
int i;
char *name = http_argbyname(rq, "name");
+ char *nums = http_argbyname(rq, "num");
+ int num = 15;
int status;
if (!s)
name = "subject";
if (strlen(name) > 255)
return;
+ if (nums)
+ num = atoi(nums);
wrbuf_rewind(c->wrbuf);
wrbuf_printf(c->wrbuf, "\n<list name=\"%s\">\n", tname);
if (!strcmp(tname, "xtargets"))
- targets_termlist(c->wrbuf, s->psession);
+ targets_termlist(c->wrbuf, s->psession, num);
else
{
p = termlist(s->psession, tname, &len);
if (p)
- for (i = 0; i < len; i++)
+ for (i = 0; i < len && i < num; i++)
{
wrbuf_puts(c->wrbuf, "\n<term>");
wrbuf_printf(c->wrbuf, "<name>%s</name>", p[i]->term);
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 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, "\n<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, int show_details)
+{
+ char *name = session_setting_oneval(client_get_database(r->client), PZ_NAME);
+
+ wrbuf_printf(w, "<location id=\"%s\" name=\"%s\">",
+ client_get_database(r->client)->database->url,
+ *name ? name : "Unknown");
+ if (show_details)
+ 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, 1);
+ wrbuf_puts(c->wrbuf, "</record>\n");
+ rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
http_send_response(c);
}
struct http_response *rs = c->response;
struct http_session *s = locate_session(rq, rs);
struct record_cluster **rl;
- NMEM nmem_show;
+ 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;
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");
struct record *p;
struct record_cluster *rec = rl[i];
struct conf_service *service = global_parameters.server->service;
- int imeta;
wrbuf_puts(c->wrbuf, "<hit>\n");
- for (imeta = 0; imeta < service->num_metadata; imeta++)
- {
- struct conf_metadata *cmd = &service->metadata[imeta];
- struct record_metadata *md;
- if (!rec->metadata[imeta])
- continue;
- if (!cmd->brief)
- continue;
- for (md = rec->metadata[imeta]; md; md = md->next)
- {
- wrbuf_printf(c->wrbuf, "<md-%s>", cmd->name);
- switch (cmd->type)
- {
- case Metadata_type_generic:
- wrbuf_puts(c->wrbuf, md->data.text);
- break;
- case Metadata_type_year:
- wrbuf_printf(c->wrbuf, "%d", md->data.year.year1);
- if (md->data.year.year1 != md->data.year.year2)
- wrbuf_printf(c->wrbuf, "-%d", md->data.year.year2);
- break;
- default:
- wrbuf_puts(c->wrbuf, "[Can't represent]");
- }
- wrbuf_printf(c->wrbuf, "</md-%s>", cmd->name);
- }
- }
+ write_metadata(c->wrbuf, service, rec->metadata, 0);
for (ccount = 0, p = rl[i]->records; p; p = p->next, ccount++)
- ;
+ write_subrecord(p, c->wrbuf, service, 0); // subrecs w/o details
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_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);
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;
void (*fun)(struct http_channel *c);
} commands[] = {
{ "init", cmd_init },
+ { "settings", cmd_settings },
{ "stat", cmd_stat },
{ "bytarget", cmd_bytarget },
{ "show", cmd_show },
{ "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);
projects / pazpar2-moved-to-github.git / blobdiff