-/* $Id: yaz-proxy.cpp,v 1.75 2007-04-30 19:46:34 adam Exp $
- Copyright (c) 1998-2007, Index Data.
-
-This file is part of the yazproxy.
+/* This file is part of YAZ proxy
+ Copyright (C) 1998-2008 Index Data
YAZ proxy 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
for more details.
You should have received a copy of the GNU General Public License
-along with YAZ proxy; see the file LICENSE. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
- */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
#ifdef WIN32
#define HAVE_SYS_STAT_H 1
m_seed = time(0);
m_client_idletime = 600;
m_target_idletime = 600;
+ m_max_sockets = 1024;
m_optimize = xstrdup ("1");
strcpy(m_session_str, "0 ");
m_session_no = 0;
if (m_reconfig_flag)
{
yaz_log(YLOG_LOG, "reconfigure");
- yaz_log_reopen();
if (m_config_fname && cfg)
{
yaz_log(YLOG_LOG, "reconfigure config %s", m_config_fname);
Z_OtherInformationUnit *oi =
update_otherInformation(otherInfo, 0, yaz_oid_userinfo_cookie, 1, 1);
- if (oi->which == Z_OtherInfo_characterInfo)
+ if (oi && oi->which == Z_OtherInfo_characterInfo)
return oi->information.characterInfo;
return 0;
}
Z_OtherInformationUnit *oi =
update_otherInformation(otherInfo, 0, yaz_oid_userinfo_proxy, 1, 1);
- if (oi->which == Z_OtherInfo_characterInfo)
+ if (oi && oi->which == Z_OtherInfo_characterInfo)
return oi->information.characterInfo;
return 0;
}
return ret_min;
}
+int Yaz_Proxy::get_number_of_connections()
+{
+ int no_connections = 0;
+ Yaz_ProxyClient *c;
+
+ for (c = m_parent->m_clientPool; c; c = c->m_next)
+ {
+ assert(c->m_prev);
+ assert(*c->m_prev == c);
+ if (!strcmp(m_proxyTarget, c->get_hostname()))
+ {
+ no_connections++;
+ }
+ }
+ yaz_log (YLOG_LOG, "%sExisting %s connections: %d", m_session_str, m_proxyTarget,
+ no_connections);
+ return no_connections;
+}
+
Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie,
- const char *proxy_host)
+ const char *proxy_host, int *http_code)
{
assert (m_parent);
Yaz_Proxy *parent = m_parent;
&m_pdu_max, &m_max_record_retrieve,
&m_search_max,
&m_target_idletime, &client_idletime,
+ &m_max_sockets,
&parent->m_max_clients,
&m_keepalive_limit_bw,
&m_keepalive_limit_pdu,
{
assert(c->m_prev);
assert(*c->m_prev == c);
- if (c->m_server == 0 && c->m_cookie == 0 && c->m_waiting == 0
+ if (c->m_server == 0 && c->m_cookie == 0 && c->m_waiting == 0
&& c->compare_idAuthentication(apdu)
&& c->compare_charset(apdu)
&& !strcmp(m_proxyTarget, c->get_hostname()))
if (apdu->which != Z_APDU_initRequest)
{
yaz_log (YLOG_LOG, "%sno init request as first PDU", m_session_str);
+ *http_code = 500;
+ return 0;
+ }
+
+ int no_in_use = get_number_of_connections();
+ if (no_in_use >= m_max_sockets)
+ {
+ yaz_log (YLOG_LOG, "%smax sockets reached %d", m_session_str,
+ m_max_sockets);
+ *http_code = 500;
return 0;
}
// go through list of clients - and find the lowest/oldest one.
}
else
{
+
yaz_log (YLOG_LOG, "%sNEW %d %s",
m_session_str, parent->m_seqno, m_proxyTarget);
c = new Yaz_ProxyClient(m_PDU_Observable->clone(), parent);
Z_External *r = npr->u.databaseRecord;
if (r->which == Z_External_octet)
{
-#if HAVE_USEMARCON
+#if !HAVE_USEMARCON
if (m_usemarcon_ini_stage1 && *m_usemarcon_ini_stage1)
+ yaz_log (YLOG_LOG, "%sError: USEMARCON requested but not available",
+ m_session_str);
+#endif
+#if HAVE_USEMARCON
+ yaz_log (YLOG_DEBUG, "%sUSEMARCON stage1=%s stage2=%s",
+ m_session_str,
+ m_usemarcon_ini_stage1 ? m_usemarcon_ini_stage1 : "(none)",
+ m_usemarcon_ini_stage2 ? m_usemarcon_ini_stage2 : "(none)");
+ char *converted;
+ int convlen;
+ if (m_usemarcon->convert(m_usemarcon_ini_stage1, m_usemarcon_ini_stage2,
+ (char*) r->u.octet_aligned->buf, r->u.octet_aligned->len,
+ &converted, &convlen))
{
- if (!m_usemarcon->m_stage1)
- {
- m_usemarcon->m_stage1 = new CDetails();
- }
- m_usemarcon->m_stage1->SetIniFileName(m_usemarcon_ini_stage1);
- m_usemarcon->m_stage1->SetMarcRecord((char*) r->u.octet_aligned->buf, r->u.octet_aligned->len);
- int res = m_usemarcon->m_stage1->Start();
- if (res == 0)
- {
- char *converted;
- int convlen;
- m_usemarcon->m_stage1->GetMarcRecord(converted, convlen);
- if (m_usemarcon_ini_stage2 && *m_usemarcon_ini_stage2)
- {
- if (!m_usemarcon->m_stage2)
- {
- m_usemarcon->m_stage2 = new CDetails();
- }
- m_usemarcon->m_stage2->SetIniFileName(m_usemarcon_ini_stage2);
- m_usemarcon->m_stage2->SetMarcRecord(converted, convlen);
- res = m_usemarcon->m_stage2->Start();
- if (res == 0)
- {
- free(converted);
- m_usemarcon->m_stage2->GetMarcRecord(converted, convlen);
- }
- else
- {
- yaz_log(YLOG_LOG, "%sUSEMARCON stage 2 error %d", m_session_str, res);
- }
- }
- npr->u.databaseRecord =
- z_ext_record_oid(odr_encode(),
- m_frontend_type,
- converted,
- strlen(converted));
- free(converted);
- }
- else
- {
- yaz_log(YLOG_LOG, "%sUSEMARCON stage 1 error %d", m_session_str, res);
- }
- continue;
+ npr->u.databaseRecord =
+ z_ext_record_oid(odr_encode(),
+ m_frontend_type,
+ converted,
+ strlen(converted));
+ free(converted);
}
+ else
#endif
/* HAVE_USEMARCON */
npr->u.databaseRecord =
if (npr->which == Z_NamePlusRecord_databaseRecord)
{
Z_External *r = npr->u.databaseRecord;
- const int *oid = r->direct_reference;
+ const Odr_oid *oid = r->direct_reference;
if (!oid)
continue;
}
auth->u.idPass->userId = odr_strdup(m_s2z_odr_init, authorization_str);
}
- else
- {
- // Use _client_ IP as shown in the log entries...!
- yaz_log(YLOG_LOG, "No authorization_str present: use client IP: %s\n", m_peername);
-
- auth = (Z_IdAuthentication *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdAuthentication));
- auth->which = Z_IdAuthentication_idPass;
- auth->u.idPass = (Z_IdPass *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdPass));
- auth->u.idPass->groupId = NULL;
- auth->u.idPass->password = NULL;
- auth->u.idPass->userId = odr_strdup(m_s2z_odr_init, m_peername);
- }
}
if (srw_pdu->which == Z_SRW_searchRetrieve_request)
// Determine our client.
Z_OtherInformation **oi;
get_otherInfoAPDU(apdu, &oi);
- m_client = get_client(apdu, get_cookie(oi), get_proxy(oi));
+ int http_code = 404;
+ m_client = get_client(apdu, get_cookie(oi), get_proxy(oi), &http_code);
if (!m_client)
{
if (m_http_version)
{ // HTTP. Send not found
- send_http_response(404);
+ send_http_response(http_code);
return;
}
else
const char *zurl_in_use[MAX_ZURL_PLEX];
int limit_bw, limit_pdu, limit_req, limit_search;
int target_idletime, client_idletime;
+ int max_sockets;
int max_clients;
int keepalive_limit_bw, keepalive_limit_pdu;
int pre_init;
&limit_bw, &limit_pdu, &limit_req,
&limit_search,
&target_idletime, &client_idletime,
+ &max_sockets,
&max_clients,
&keepalive_limit_bw,
&keepalive_limit_pdu,
"sparew=%d preinit=%d",m_session_str,
name, zurl_in_use[j], in_use, other,
spare, spare_waiting, pre_init);
- if (spare + spare_waiting < pre_init)
+ if (spare + spare_waiting < pre_init
+ && in_use + spare + spare_waiting + other < max_sockets)
{
c = new Yaz_ProxyClient(m_PDU_Observable->clone(), this);
c->m_next = m_clientPool;
projects / yazproxy-moved-to-github.git / blobdiff