From 1b73b30c27af204acc67f4d2deae1765fd3caf21 Mon Sep 17 00:00:00 2001
From: Adam Dickmeiss <adam@indexdata.dk>
Date: Wed, 14 Jan 2004 12:14:13 +0000
Subject: [PATCH] Reconnect on dead sessions to target if client session is
 active. Fix bug with "present request out of range" if
 result count == 0 for SRW.

---
 include/yaz++/proxy.h |    3 ++-
 src/yaz-proxy.cpp     |   19 +++++++++++++++++--
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/include/yaz++/proxy.h b/include/yaz++/proxy.h
index 1224032..077a57d 100644
--- a/include/yaz++/proxy.h
+++ b/include/yaz++/proxy.h
@@ -2,7 +2,7 @@
  * Copyright (c) 1998-2004, Index Data.
  * See the file LICENSE for details.
  * 
- * $Id: proxy.h,v 1.33 2004-01-09 18:11:15 adam Exp $
+ * $Id: proxy.h,v 1.34 2004-01-14 12:14:13 adam Exp $
  */
 
 #include <sys/time.h>
@@ -283,6 +283,7 @@ class YAZ_EXPORT Yaz_Proxy : public Yaz_Z_Assoc {
     void failNotify();
     void timeoutNotify();
     void connectNotify();
+    void markInvalid();
     const char *option(const char *name, const char *value);
     void set_default_target(const char *target);
     void set_proxy_authentication (const char *auth);
diff --git a/src/yaz-proxy.cpp b/src/yaz-proxy.cpp
index 0ce638a..ed0d095 100644
--- a/src/yaz-proxy.cpp
+++ b/src/yaz-proxy.cpp
@@ -2,7 +2,7 @@
  * Copyright (c) 1998-2004, Index Data.
  * See the file LICENSE for details.
  * 
- * $Id: yaz-proxy.cpp,v 1.88 2004-01-12 22:35:59 adam Exp $
+ * $Id: yaz-proxy.cpp,v 1.89 2004-01-14 12:14:13 adam Exp $
  */
 
 #include <assert.h>
@@ -899,7 +899,7 @@ int Yaz_Proxy::send_PDU_convert(Z_APDU *apdu, int *len)
 	    {
 		send_to_srw_client_ok(0, res->records, 1);
 	    }
-	    else if (m_s2z_present_apdu)
+	    else if (m_s2z_present_apdu && m_s2z_hit_count > 0)
 	    {
 		// adjust 
 		Z_PresentRequest *pr = m_s2z_present_apdu->u.presentRequest;
@@ -915,6 +915,7 @@ int Yaz_Proxy::send_PDU_convert(Z_APDU *apdu, int *len)
 	    }
 	    else
 	    {
+		m_s2z_present_apdu = 0;
 		send_to_srw_client_ok(m_s2z_hit_count, res->records, 1);
 	    }
 	}
@@ -2183,6 +2184,12 @@ void Yaz_Proxy::timeoutNotify()
     }
 }
 
+void Yaz_Proxy::markInvalid()
+{
+    m_client = 0;
+    m_invalid_session = 1;
+}
+
 void Yaz_ProxyClient::timeoutNotify()
 {
     if (m_server)
@@ -2192,6 +2199,14 @@ void Yaz_ProxyClient::timeoutNotify()
 	     get_hostname());
     m_waiting = 1;
     m_root->pre_init();
+    if (m_server && m_init_flag)
+    {
+	// target timed out in a session that was properly initialized
+	// server object stay alive but we mark it as invalid so it
+	// gets initialized again
+	m_server->markInvalid();
+	m_server = 0;
+    }
     shutdown();
 }
 
-- 
1.7.10.4