* Copyright (c) 1998-2001, Index Data.
* See the file LICENSE for details.
*
- * $Log: yaz-proxy.cpp,v $
- * Revision 1.27 2001-11-02 13:06:29 adam
- * Fixed bug in result_set_optimize where LSLB == resultCount.
- *
- * Revision 1.26 2001/08/13 16:39:12 adam
- * PDU_Assoc keeps track of children. Using yaz_log instead of logf.
- *
- * Revision 1.25 2001/04/25 18:59:30 adam
- * Added referenceId handling for server.
- *
- * Revision 1.24 2001/04/10 10:48:08 adam
- * Fixed problem where proxy could cash bad result sets.
- *
- * Revision 1.23 2001/03/26 14:43:49 adam
- * New threaded PDU association.
- *
- * Revision 1.22 2000/11/20 11:27:33 adam
- * Fixes for connect operation (timeout and notify fix).
- *
- * Revision 1.21 2000/11/01 14:22:59 adam
- * Added fd parameter for method IYaz_PDU_Observer::clone.
- *
- * Revision 1.20 2000/10/24 12:29:57 adam
- * Fixed bug in proxy where a Yaz_ProxyClient could be owned by
- * two Yaz_Proxy's (fatal).
- *
- * Revision 1.19 2000/10/11 11:58:16 adam
- * Moved header files to include/yaz++. Switched to libtool and automake.
- * Configure script creates yaz++-config script.
- *
- * Revision 1.18 2000/09/08 10:23:42 adam
- * Added skeleton of yaz-z-server.
- *
- * Revision 1.17 2000/09/05 13:57:28 adam
- * Fixed get_otherInfoAPDU to return otherInfo for extended services.
- *
- * Revision 1.16 2000/09/04 08:29:22 adam
- * Fixed memory leak(s). Added re-use of associations, rather than
- * re-init, when maximum number of targets are in use.
- *
- * Revision 1.15 2000/08/31 14:41:55 adam
- * Proxy no longer generates cookies (it's up to the client). Proxy
- * re-opens if target new op is started before previous operation finishes.
- *
- * Revision 1.14 2000/08/10 08:42:42 adam
- * Fixes for {set,get}_APDU_log.
- *
- * Revision 1.13 2000/08/07 14:19:59 adam
- * Fixed serious bug regarding timeouts. Improved logging for proxy.
- *
- * Revision 1.12 2000/07/04 13:48:49 adam
- * Implemented upper-limit on proxy-to-target sessions.
- *
- * Revision 1.11 1999/12/06 13:52:45 adam
- * Modified for new location of YAZ header files. Experimental threaded
- * operation.
- *
- * Revision 1.10 1999/11/10 10:02:34 adam
- * Work on proxy.
- *
- * Revision 1.9 1999/09/13 12:53:44 adam
- * Proxy removes OtherInfo Proxy Address and Session ID. Other
- * Otherinfo remains untouched.
- *
- * Revision 1.8 1999/05/04 10:53:00 adam
- * Changed the way the PROXY behaves when lost cookie is received.
- *
- * Revision 1.7 1999/04/28 13:31:17 adam
- * Better result set optimisation for proxy.
- *
- * Revision 1.6 1999/04/27 07:52:13 adam
- * Improved proxy; added query match for result set re-use.
- *
- * Revision 1.5 1999/04/21 12:09:01 adam
- * Many improvements. Modified to proxy server to work with "sessions"
- * based on cookies.
- *
- * Revision 1.4 1999/04/20 10:30:05 adam
- * Implemented various stuff for client and proxy. Updated calls
- * to ODR to reflect new name parameter.
- *
- * Revision 1.3 1999/04/09 11:46:57 adam
- * Added object Yaz_Z_Assoc. Much more functional client.
- *
- * Revision 1.2 1999/01/28 13:08:46 adam
- * Yaz_PDU_Assoc better encapsulated. Memory leak fix in
- * yaz-socket-manager.cc.
- *
- * Revision 1.1.1.1 1999/01/28 09:41:07 adam
- * First implementation of YAZ++.
- *
+ * $Id: yaz-proxy.cpp,v 1.30 2001-11-06 20:33:32 adam Exp $
*/
#include <assert.h>
m_proxyTarget = 0;
m_max_clients = 50;
m_seed = time(0);
+ m_optimize = xstrdup ("1");
}
Yaz_Proxy::~Yaz_Proxy()
{
xfree (m_proxyTarget);
+ xfree (m_optimize);
}
void Yaz_Proxy::set_proxyTarget(const char *target)
get_otherInfoAPDU(apdu, &oi);
char *cookie = get_cookie(oi);
- yaz_log (LOG_LOG, "Yaz_Proxy::get_client cookie=%s", cookie ? cookie :
- "null");
const char *proxy_host = get_proxy(oi);
if (proxy_host)
set_proxyTarget(proxy_host);
- yaz_log (LOG_LOG, "proxy_host = %s", m_proxyTarget ? m_proxyTarget:"none");
// no target specified at all?
if (!m_proxyTarget)
return 0;
+ if (!strcmp(m_proxyTarget, "stop"))
+ exit (0);
if (cookie && *cookie)
{
- yaz_log (LOG_LOG, "lookup of clients cookie=%s target=%s",
- cookie, m_proxyTarget);
Yaz_ProxyClient *cc = 0;
for (c = parent->m_clientPool; c; c = c->m_next)
{
- yaz_log (LOG_LOG, " found client cookie = %s target=%s seqno=%d",
- c->m_cookie, c->get_hostname(), c->m_seqno);
assert (c->m_prev);
assert (*c->m_prev == c);
if (!strcmp(cookie,c->m_cookie) &&
!strcmp(m_proxyTarget, c->get_hostname()))
{
- yaz_log (LOG_LOG, "found!");
cc = c;
}
}
c->m_server = this;
c->m_seqno = parent->m_seqno;
(parent->m_seqno)++;
- yaz_log (LOG_LOG, "get_client 1 %p %p", this, c);
+ yaz_log (LOG_DEBUG, "get_client 1 %p %p", this, c);
return c;
}
}
delete c->m_server;
}
(parent->m_seqno)++;
- yaz_log (LOG_LOG, "get_client 2 %p %p", this, c);
+ yaz_log (LOG_DEBUG, "get_client 2 %p %p", this, c);
return c;
}
}
(parent->m_seqno)++;
}
- yaz_log (LOG_LOG, "get_client 3 %p %p", this, c);
+ yaz_log (LOG_DEBUG, "get_client 3 %p %p", this, c);
return c;
}
{
if (apdu->which != Z_APDU_searchRequest)
return apdu;
+ if (*m_parent->m_optimize != '1')
+ return apdu;
Z_SearchRequest *sr = apdu->u.searchRequest;
Yaz_Z_Query *this_query = new Yaz_Z_Query;
+ Yaz_Z_Databases this_databases;
+
+ this_databases.set(sr->num_databaseNames, (const char **)
+ sr->databaseNames);
this_query->set_Z_Query(sr->query);
if (m_client->m_last_query &&
- m_client->m_last_query->match(this_query))
+ m_client->m_last_query->match(this_query) &&
+ m_client->m_last_databases.match(this_databases))
{
delete this_query;
if (m_client->m_last_resultCount > *sr->smallSetUpperBound &&
yaz_log (LOG_LOG, "Yaz_Proxy::result_set_optimize new set");
delete m_client->m_last_query;
m_client->m_last_query = this_query;
+ m_client->m_last_databases.set(sr->num_databaseNames,
+ (const char **) sr->databaseNames);
}
return apdu;
}
void Yaz_Proxy::shutdown()
{
- yaz_log (LOG_LOG, "shutdown (client to proxy)");
// only keep if keep_alive flag and cookie is set...
if (m_keepalive && m_client && m_client->m_cookie[0])
{
- yaz_log (LOG_LOG, "shutdown - keepalive this=%p, m_server=%p",
- this, m_client->m_server);
if (m_client->m_waiting == 2)
abort();
// Tell client (if any) that no server connection is there..
m_client->m_server = 0;
+ yaz_log (LOG_LOG, "shutdown (client to proxy) keepalive %s", m_client->get_hostname());
}
else if (m_client)
{
- yaz_log (LOG_LOG, "deleting %p %p", this, m_client);
if (m_client->m_waiting == 2)
abort();
+ yaz_log (LOG_LOG, "shutdown (client to proxy) close %s", m_client->get_hostname());
delete m_client;
}
else if (!m_parent)
{
- yaz_log (LOG_LOG, "abort %p", this);
+ yaz_log (LOG_LOG, "shutdown (client to proxy) bad state");
abort();
}
+ else
+ {
+ yaz_log (LOG_LOG, "shutdown (client to proxy)");
+ }
delete this;
}
void Yaz_Proxy::failNotify()
{
- yaz_log (LOG_LOG, "connection closed by client");
+ yaz_log (LOG_LOG, "Yaz_Proxy connection closed by client");
shutdown();
}
m_waiting = 0;
}
+const char *Yaz_Proxy::option(const char *name, const char *value)
+{
+ if (!strcmp (name, "optimize")) {
+ if (value) {
+ xfree (m_optimize);
+ m_optimize = xstrdup (value);
+ }
+ return m_optimize;
+ }
+ return 0;
+}
+
void Yaz_ProxyClient::recv_Z_PDU(Z_APDU *apdu)
{
m_waiting = 0;
sr->numberOfRecordsReturned = pr->numberOfRecordsReturned;
apdu = new_apdu;
}
- if (m_cookie)
+ if (m_cookie && *m_cookie)
set_otherInformationString (apdu, VAL_COOKIE, 1, m_cookie);
if (m_server)
{
projects / yazpp-moved-to-github.git / blobdiff