From 598464a40f5eea658ae9afafab11e5eaf0c1124c Mon Sep 17 00:00:00 2001
From: Adam Dickmeiss <adam@indexdata.dk>
Date: Fri, 27 Feb 2004 00:42:57 +0000
Subject: [PATCH] Make workaround for FILE handles for libxml2 on Solaris
 where maximum is 256 on 32-bit systems. Unix fd handles are
 OK.

---
 ChangeLog             |    3 +++
 etc/config.xml        |    3 +--
 include/yaz++/proxy.h |    7 +++++--
 src/yaz-proxy.cpp     |   36 +++++++++++++++++++++++++++++++++++-
 4 files changed, 44 insertions(+), 5 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c3303fa..1da5e86 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 --- 0.7.10 2004/02/27 Internal release.
 
+Make workaround for FILE handles for libxml2 on Solaris where
+maximum is 256 on 32-bit systems. Unix fd handles are OK.
+
 Revise proxy algorithm for backend target selection.
 
 --- 0.7.9 2004/02/25 Internal release.
diff --git a/etc/config.xml b/etc/config.xml
index d06d163..a15fa3f 100644
--- a/etc/config.xml
+++ b/etc/config.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!-- $Id: config.xml,v 1.12 2004-02-26 23:43:07 adam Exp $ -->
+<!-- $Id: config.xml,v 1.13 2004-02-27 00:42:57 adam Exp $ -->
 <proxy>
   <target name="bagel">
     <url>indexdata.dk</url>
@@ -27,7 +27,6 @@
   </target>
   <target default="1" name="localhost">
     <url>localhost:9999</url>
-    <url>localhost:9998</url>
     <target-timeout>300</target-timeout>
     <client-timeout>180</client-timeout>
     <keepalive/> <!-- keepalive enabled -->
diff --git a/include/yaz++/proxy.h b/include/yaz++/proxy.h
index e876aec..aafef3c 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 1.40 2004-02-24 20:55:57 adam Exp $
+ * $Id: proxy.h,v 1.41 2004-02-27 00:42:57 adam Exp $
  */
 
 #include <sys/time.h>
@@ -93,7 +93,6 @@ private:
     int m_copy;
     int match_list(int v, const char *m);
     int atoi_l(const char **cp);
-
 };
 
 class YAZ_EXPORT Yaz_RecordCache {
@@ -287,6 +286,10 @@ class YAZ_EXPORT Yaz_Proxy : public Yaz_Z_Assoc {
     Z_ElementSetNames *mk_esn_from_schema(ODR o, const char *schema);
     Z_ReferenceId *m_referenceId;
     NMEM m_referenceId_mem;
+#define NO_SPARE_SOLARIS_FD 10
+    int m_lo_fd[NO_SPARE_SOLARIS_FD];
+    void low_socket_open();
+    void low_socket_close();
  public:
     Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable,
 	      Yaz_Proxy *parent = 0);
diff --git a/src/yaz-proxy.cpp b/src/yaz-proxy.cpp
index d226e7b..5528cb1 100644
--- a/src/yaz-proxy.cpp
+++ b/src/yaz-proxy.cpp
@@ -2,11 +2,14 @@
  * Copyright (c) 1998-2004, Index Data.
  * See the file LICENSE for details.
  * 
- * $Id: yaz-proxy.cpp,v 1.104 2004-02-26 23:43:07 adam Exp $
+ * $Id: yaz-proxy.cpp,v 1.105 2004-02-27 00:42:58 adam Exp $
  */
 
+#include <unistd.h>
 #include <assert.h>
 #include <time.h>
+#include <sys/types.h>
+#include <fcntl.h>
 
 #include <yaz/srw.h>
 #include <yaz/marcdisp.h>
@@ -128,6 +131,8 @@ Yaz_Proxy::Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable,
     m_s2z_packing = Z_SRW_recordPacking_string;
     m_time_tv.tv_sec = 0;
     m_time_tv.tv_usec = 0;
+    if (!m_parent)
+	low_socket_open();
 }
 
 Yaz_Proxy::~Yaz_Proxy()
@@ -151,6 +156,8 @@ Yaz_Proxy::~Yaz_Proxy()
 	odr_destroy(m_s2z_odr_init);
     if (m_s2z_odr_search)
 	odr_destroy(m_s2z_odr_search);
+    if (!m_parent)
+	low_socket_close();
     delete m_config;
 }
 
@@ -639,6 +646,7 @@ void Yaz_Proxy::convert_xsl_delay()
 	    yaz_log(LOG_LOG, "%sXSLT convert %d",
 		    m_session_str, m_stylesheet_offset);
 	    res = xsltApplyStylesheet(m_stylesheet_xsp, doc, 0);
+
 	    if (res)
 	    {
 		xmlChar *out_buf;
@@ -652,6 +660,7 @@ void Yaz_Proxy::convert_xsl_delay()
 		xmlFree(out_buf);
 		xmlFreeDoc(res);
 	    }
+
 	    xmlFreeDoc(doc);
 	}
     }
@@ -1567,12 +1576,17 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu)
 				    &addinfo, &stylesheet_name, &m_schema);
 	if (stylesheet_name)
 	{
+	    m_parent->low_socket_close();
+
 	    if (m_stylesheet_xsp)
 		xsltFreeStylesheet(m_stylesheet_xsp);
+
 	    m_stylesheet_xsp = xsltParseStylesheetFile((const xmlChar*)
 						       stylesheet_name);
 	    m_stylesheet_offset = 0;
 	    xfree(stylesheet_name);
+
+	    m_parent->low_socket_open();
 	}
 	if (err == -1)
 	{
@@ -1609,12 +1623,17 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu)
 				    &addinfo, &stylesheet_name, &m_schema);
 	if (stylesheet_name)
 	{
+	    m_parent->low_socket_close();
+
 	    if (m_stylesheet_xsp)
 		xsltFreeStylesheet(m_stylesheet_xsp);
+
 	    m_stylesheet_xsp = xsltParseStylesheetFile((const xmlChar*)
 						       stylesheet_name);
 	    m_stylesheet_offset = 0;
 	    xfree(stylesheet_name);
+
+	    m_parent->low_socket_open();
 	}
 	if (err == -1)
 	{
@@ -2558,6 +2577,21 @@ void Yaz_ProxyClient::recv_Z_PDU(Z_APDU *apdu, int len)
     }
 }
 
+void Yaz_Proxy::low_socket_close()
+{
+    int i;
+    for (i = 0; i<NO_SPARE_SOLARIS_FD; i++)
+	if  (m_lo_fd[i] >= 0)
+	    ::close(m_lo_fd[i]);
+}
+
+void Yaz_Proxy::low_socket_open()
+{
+    int i;
+    for (i = 0; i<NO_SPARE_SOLARIS_FD; i++)
+	m_lo_fd[i] = open("/dev/null", O_RDONLY);
+}
+
 int Yaz_Proxy::server(const char *addr)
 {
     int r = Yaz_Z_Assoc::server(addr);
-- 
1.7.10.4