Database names mutch match too before doing result set optimization.
YAZ++ - A C++ library for YAZ
-$Id: README.txt,v 1.9 2001-04-25 19:40:18 adam Exp $
+$Id: README.txt,v 1.10 2001-11-06 17:08:05 adam Exp $
o Introduction
yaz-my-server basic server
yaz-proxy not-so-basic proxy server
-Directory structure of the YAZ++ package.
+Directory structure of the YAZ++ package:
-- src (C++ source)
-- include/yaz++ (C++ headers)
* Copyright (c) 1998-2000, Index Data.
* See the file LICENSE for details.
*
- * $Id: yaz-proxy.h,v 1.3 2001-03-26 14:43:49 adam Exp $
+ * $Id: yaz-proxy.h,v 1.4 2001-11-06 17:08:05 adam Exp $
*/
#include <yaz++/yaz-z-assoc.h>
#include <yaz++/yaz-z-query.h>
+#include <yaz++/yaz-z-databases.h>
class Yaz_Proxy;
Yaz_ProxyClient **m_prev;
int m_init_flag;
Yaz_Z_Query *m_last_query;
+ Yaz_Z_Databases m_last_databases;
int m_last_resultCount;
int m_sr_transform;
int m_seqno;
int m_keepalive;
char *m_proxyTarget;
long m_seed;
+ char *m_optimize;
public:
Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable);
~Yaz_Proxy();
void failNotify();
void timeoutNotify();
void connectNotify();
+ const char *option(const char *name, const char *value);
void set_proxyTarget(const char *target);
char *get_proxyTarget() { return m_proxyTarget; };
void set_max_clients(int m) { m_max_clients = m; };
--- /dev/null
+/*
+ * Copyright (c) 2001, Index Data.
+ * See the file LICENSE for details.
+ *
+ * $Id: yaz-z-databases.h,v 1.1 2001-11-06 17:08:05 adam Exp $
+ */
+
+#include <yaz/proto.h>
+
+/** Z39.50 Databases list
+ */
+class YAZ_EXPORT Yaz_Z_Databases {
+public:
+/// Make Query from rpn string
+ Yaz_Z_Databases();
+ ~Yaz_Z_Databases();
+ void set (int num, const char **db);
+ void get (NMEM n, int *num, char ***db);
+ void get (ODR o, int *num, char ***db);
+ int match (Yaz_Z_Databases &db);
+ int match (int num, const char **db);
+ private:
+ char **m_list;
+ int m_num;
+ NMEM nmem;
+};
-## $Id: Makefile.am,v 1.8 2001-11-04 22:36:21 adam Exp $
+## $Id: Makefile.am,v 1.9 2001-11-06 17:08:05 adam Exp $
CXXFLAGS = $(YAZINC) -I$(srcdir)/../include
libyaz___la_SOURCES=yaz-socket-manager.cpp yaz-pdu-assoc.cpp \
yaz-z-assoc.cpp yaz-proxy.cpp yaz-z-query.cpp yaz-ir-assoc.cpp \
yaz-z-server.cpp yaz-pdu-assoc-thread.cpp yaz-z-server-sr.cpp \
- yaz-z-server-ill.cpp yaz-z-server-update.cpp
+ yaz-z-server-ill.cpp yaz-z-server-update.cpp yaz-z-databases.cpp
EXTRA_DIST=yaz-z-server-ursula.cpp
* Copyright (c) 1998-2001, Index Data.
* See the file LICENSE for details.
*
- * $Id: yaz-my-server.cpp,v 1.8 2001-11-04 22:36:21 adam Exp $
+ * $Id: yaz-my-server.cpp,v 1.9 2001-11-06 17:08:05 adam Exp $
*/
#include <yaz/log.h>
return 1;
}
}
+#if YAZ_POSIX_THREADS
if (thread_flag)
my_PDU_Assoc = new Yaz_PDU_AssocThread(&mySocketManager);
else
my_PDU_Assoc = new Yaz_PDU_Assoc(&mySocketManager);
+#else
+ my_PDU_Assoc = new Yaz_PDU_Assoc(&mySocketManager);
+#endif
z = new MyServer(my_PDU_Assoc);
z->server(addr);
* Copyright (c) 1998-2001, Index Data.
* See the file LICENSE for details.
*
- * $Id: yaz-pdu-assoc-thread.cpp,v 1.4 2001-11-04 22:36:21 adam Exp $
+ * $Id: yaz-pdu-assoc-thread.cpp,v 1.5 2001-11-06 17:08:05 adam Exp $
*/
#ifdef WIN32
+#define USE_THREADS 1
+#endif
+
+#if YAZ_POSIX_THREADS
+#define USE_THREADS 1
+#endif
+
+#if USE_THREADS
+
+#ifdef WIN32
#include <process.h>
#else
#include <pthread.h>
#include <unistd.h>
#endif
-
#include <errno.h>
#include <yaz/log.h>
#include <yaz/tcpip.h>
#include <yaz++/yaz-pdu-assoc.h>
#include <yaz++/yaz-socket-manager.h>
-
-
Yaz_PDU_AssocThread::Yaz_PDU_AssocThread(
IYazSocketObservable *socketObservable)
: Yaz_PDU_Assoc(socketObservable)
pthread_detach (tid);
#endif
}
+#endif
* Copyright (c) 1998-2001, Index Data.
* See the file LICENSE for details.
*
- * $Id: yaz-pdu-assoc.cpp,v 1.25 2001-11-04 22:36:21 adam Exp $
+ * $Id: yaz-pdu-assoc.cpp,v 1.26 2001-11-06 17:08:05 adam Exp $
*/
#include <assert.h>
Yaz_PDU_Assoc::PDU_Queue::PDU_Queue(const char *buf, int len)
{
- m_buf = (char *) malloc (len);
+ m_buf = (char *) xmalloc (len);
memcpy (m_buf, buf, len);
m_len = len;
m_next = 0;
Yaz_PDU_Assoc::PDU_Queue::~PDU_Queue()
{
- free (m_buf);
+ xfree (m_buf);
}
int Yaz_PDU_Assoc::flush_PDU()
m_socketObservable->addObserver(cs_fileno(m_cs), this);
if (res >= 0)
- { // Connect pending or complet
+ { // Connect pending or complete
m_state = Connecting;
unsigned mask = YAZ_SOCKET_OBSERVE_EXCEPT;
if (m_cs->io_pending & CS_WANT_WRITE)
// Single-threaded... Only useful for non-blocking handlers
void Yaz_PDU_Assoc::childNotify(COMSTACK cs)
{
-
-
Yaz_PDU_Assoc *new_observable =
new Yaz_PDU_Assoc (m_socketObservable, cs);
* Copyright (c) 1998-2001, Index Data.
* See the file LICENSE for details.
*
- * $Id: yaz-proxy-main.cpp,v 1.14 2001-11-04 22:36:21 adam Exp $
+ * $Id: yaz-proxy-main.cpp,v 1.15 2001-11-06 17:08:05 adam Exp $
*/
#include <yaz/log.h>
void usage(char *prog)
{
- fprintf (stderr, "%s: [-a log] [-c num] [-v level] [-t target] @:port\n", prog);
+ fprintf (stderr, "%s: [-a log] [-c num] [-v level] [-t target] [-o optlevel] @:port\n", prog);
exit (1);
}
char *prog = argv[0];
int ret;
- while ((ret = options("a:t:v:c:", argv, argc, &arg)) != -2)
+ while ((ret = options("o:a:t:v:c:", argv, argc, &arg)) != -2)
{
switch (ret)
{
case 't':
proxy->set_proxyTarget(arg);
break;
+ case 'o':
+ proxy->option("optimize", arg);
+ break;
case 'v':
yaz_log_init_level (yaz_log_mask_str(arg));
break;
* Copyright (c) 1998-2001, Index Data.
* See the file LICENSE for details.
*
- * $Id: yaz-proxy.cpp,v 1.28 2001-11-04 22:36:21 adam Exp $
+ * $Id: yaz-proxy.cpp,v 1.29 2001-11-06 17:08:05 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;
+ }
+}
+
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)
{
--- /dev/null
+/*
+ * Copyright (c) 2001, Index Data.
+ * See the file LICENSE for details.
+ *
+ * $Id: yaz-z-databases.cpp,v 1.1 2001-11-06 17:08:05 adam Exp $
+ */
+
+#include <string.h>
+
+#include <yaz++/yaz-z-databases.h>
+
+Yaz_Z_Databases::Yaz_Z_Databases()
+{
+ nmem = nmem_create ();
+ m_num = 0;
+ m_list = 0;
+}
+
+Yaz_Z_Databases::~Yaz_Z_Databases()
+{
+ nmem_destroy (nmem);
+}
+
+void Yaz_Z_Databases::set (int num, const char **db)
+{
+ nmem_reset (nmem);
+
+ m_list = (char **) nmem_malloc (nmem, num * sizeof(char*));
+ m_num = num;
+ for (int i = 0; i<num; i++)
+ m_list[i] = nmem_strdup (nmem, db[i] ? db[i] : "Default");
+}
+
+void Yaz_Z_Databases::get (NMEM n, int *num, char ***db)
+{
+ *num = m_num;
+ *db = (char **) nmem_malloc (n, m_num * sizeof(char*));
+ for (int i = 0; i < m_num; i++)
+ (*db)[i] = nmem_strdup (n, m_list[i]);
+}
+
+void Yaz_Z_Databases::get (ODR o, int *num, char ***db)
+{
+ return get (o->mem, num, db);
+}
+
+int Yaz_Z_Databases::match (Yaz_Z_Databases &db)
+{
+ if (db.m_num != m_num)
+ return 0;
+ for (int i = 0; i<m_num; i++)
+ if (strcmp (m_list[i], db.m_list[i]))
+ return 0;
+ return 1;
+}
+
+int Yaz_Z_Databases::match (int num, const char **db)
+{
+ if (num != m_num)
+ return 0;
+ for (int i = 0; i<m_num; i++)
+ if (strcmp (m_list[i], db[i]))
+ return 0;
+ return 1;
+}