1 files changed, 149 insertions, 0 deletions
diff --git a/pki/base/tps/src/include/httpClient/httpc/Pool.h b/pki/base/tps/src/include/httpClient/httpc/Pool.h
new file mode 100644
index 000000000..074b36b3b
--- /dev/null
+++ b/pki/base/tps/src/include/httpClient/httpc/Pool.h
@@ -0,0 +1,149 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ */
+/** BEGIN COPYRIGHT BLOCK
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301  USA 
+ * 
+ * Copyright (C) 2007 Red Hat, Inc.
+ * All rights reserved.
+ * END COPYRIGHT BLOCK **/
+
+#ifndef __POOL_H__
+#define __POOL_H__
+
+#ifdef HAVE_CONFIG_H
+#ifndef AUTOTOOLS_CONFIG_H
+
+/* Eliminate warnings when using Autotools */
+#undef PACKAGE_BUGREPORT
+#undef PACKAGE_NAME
+#undef PACKAGE_STRING
+#undef PACKAGE_TARNAME
+#undef PACKAGE_VERSION
+
+#define AUTOTOOLS_CONFIG_H
+#include <config.h>
+#endif /* AUTOTOOLS_CONFIG_H */
+#endif /* HAVE_CONFIG_H */
+
+/**
+ * Utility classes for object pools
+ *
+ * @author  rweltman@netscape.com
+ * @version 1.0
+ */
+
+class PoolNode;
+class Pool;
+
+typedef int (*PoolEnumerator)(PoolNode *node);
+
+/**
+ * A node in a pool
+ */
+class EXPORT_DECL PoolNode {
+    friend class Pool;
+public:
+    /**
+     * Constructor
+     *
+     * @param data The real data of the node
+     */
+    PoolNode( void *data );
+    /**
+     * Destructor
+     */
+    virtual ~PoolNode();
+    /**
+     * Returns the real data of the node
+     *
+     * @return The real data of the node
+     */
+    void *GetData();
+    /**
+     * Returns the next entry in the list
+     *
+     * @return The next entry in the list
+     */
+    PoolNode *GetNext();
+    /**
+     * Returns the previous entry in the list
+     *
+     * @return The previous entry in the list
+     */
+    PoolNode *GetPrev();
+private:
+    void *m_data;
+    PoolNode *m_next;
+    PoolNode *m_prev;
+};
+
+/**
+ * A generic object pool
+ */
+class EXPORT_DECL Pool {
+public:
+    /**
+     * Constructor - creates a pool with an internal list of nodes
+     *
+     * @param name Name of pool
+     * @param poolSize Max number of nodes kept
+     * @param enumerator Optional enumerator to be called on destruction
+     */
+    Pool( const char *name, int poolSize, PoolEnumerator enumerator = NULL );
+    /**
+     * Destructor - Empties the pool
+     */
+    virtual ~Pool();
+    /**
+     * Appends an entry to the end of the internal list
+     *
+     * @param node An entry to add
+     * @return The added entry
+     */
+    PoolNode *Append( PoolNode *node );
+    /**
+     * Retrieves the head of the internal list and removes it
+     *
+     * @return The head of the internal list
+     */
+    PoolNode *RemoveHead();
+    /**
+     * Returns true if the pool is empty
+     *
+     * @return true if the pool is empty
+     */
+    bool IsEmpty();
+
+    /**
+     * Returns the number of entries in the pool
+     *
+     * @return The number of entries in the pool
+     */
+    int GetCount();
+
+protected:
+private:
+    PoolNode *m_list;
+    char *m_name;
+    int m_maxNodes;
+    int m_count;
+    PoolEnumerator m_enumerator;
+	PRRWLock *m_lock;
+	PRLock *m_conditionLock;
+    PRCondVar *m_condition;
+};
+
+#endif // __POOL_H__