Limit record cache size

diff --git a/include/yaz++/proxy.h b/include/yaz++/proxy.h
index 8535546..7326391 100644 (file)
--- a/include/yaz++/proxy.h
+++ b/include/yaz++/proxy.h
@@ -2,7 +2,7 @@
  * Copyright (c) 1998-2003, Index Data.
  * See the file LICENSE for details.
  * 
- * $Id: proxy.h,v 1.11 2003-10-08 08:15:01 adam Exp $
+ * $Id: proxy.h,v 1.12 2003-10-08 08:53:08 adam Exp $
  */
 
 #include <yaz++/z-assoc.h>
@@ -68,6 +68,7 @@ class YAZ_EXPORT Yaz_RecordCache {
 
     void copy_searchRequest(Z_SearchRequest *sr);
     void copy_presentRequest(Z_PresentRequest *pr);
+    void set_max_size(int sz);
  private:
     NMEM m_mem;
     Yaz_RecordCache_Entry *m_entries;
@@ -76,6 +77,7 @@ class YAZ_EXPORT Yaz_RecordCache {
     int match (Yaz_RecordCache_Entry *entry,
               Odr_oid *syntax, int offset,
               Z_RecordComposition *comp);
+    int m_max_size;
 };
 
 class YAZ_EXPORT Yaz_bw {

diff --git a/src/yaz-z-cache.cpp b/src/yaz-z-cache.cpp
index 8e521e6..1468b7d 100644 (file)
--- a/src/yaz-z-cache.cpp
+++ b/src/yaz-z-cache.cpp
@@ -2,7 +2,7 @@
  * Copyright (c) 2002-2003, Index Data.
  * See the file LICENSE for details.
  * 
- * $Id: yaz-z-cache.cpp,v 1.5 2003-10-01 13:13:51 adam Exp $
+ * $Id: yaz-z-cache.cpp,v 1.6 2003-10-08 08:52:59 adam Exp $
  */
 
 #include <yaz/log.h>
@@ -21,6 +21,7 @@ Yaz_RecordCache::Yaz_RecordCache ()
     m_entries = 0;
     m_presentRequest = 0;
     m_searchRequest = 0;
+    m_max_size = 200000;
 }
 
 Yaz_RecordCache::~Yaz_RecordCache ()
@@ -28,6 +29,11 @@ Yaz_RecordCache::~Yaz_RecordCache ()
     nmem_destroy(m_mem);
 }
 
+void Yaz_RecordCache::set_max_size(int sz)
+{
+    m_max_size = sz;
+}
+
 void Yaz_RecordCache::clear ()
 {
     nmem_destroy(m_mem);
@@ -80,6 +86,8 @@ void Yaz_RecordCache::copy_presentRequest(Z_PresentRequest *pr)
 void Yaz_RecordCache::add (ODR o, Z_NamePlusRecordList *npr, int start,
                           int hits)
 {
+    if (nmem_total(m_mem) > m_max_size)
+       return;
     // Build appropriate compspec for this response
     Z_RecordComposition *comp = 0;
     if (hits == -1 && m_presentRequest)