OW_ClientCIMOMHandleConnectionPool.hpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved.
00003 *
00004 * Redistribution and use in source and binary forms, with or without
00005 * modification, are permitted provided that the following conditions are met:
00006 *
00007 *  - Redistributions of source code must retain the above copyright notice,
00008 *    this list of conditions and the following disclaimer.
00009 *
00010 *  - Redistributions in binary form must reproduce the above copyright notice,
00011 *    this list of conditions and the following disclaimer in the documentation
00012 *    and/or other materials provided with the distribution.
00013 *
00014 *  - Neither the name of Vintela, Inc. nor the names of its
00015 *    contributors may be used to endorse or promote products derived from this
00016 *    software without specific prior written permission.
00017 *
00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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00030 
00035 #ifndef OW_CLIENT_CIMOM_HANDLE_CONNECTION_POOL_HPP_INCLUDE_GUARD_
00036 #define OW_CLIENT_CIMOM_HANDLE_CONNECTION_POOL_HPP_INCLUDE_GUARD_
00037 
00038 #include "OW_config.h"
00039 #include "OW_CommonFwd.hpp"
00040 #include "OW_ClientFwd.hpp"
00041 #include "OW_Mutex.hpp"
00042 #include "OW_String.hpp"
00043 #include "OW_IntrusiveCountableBase.hpp"
00044 
00045 #include <map>
00046 
00047 namespace OW_NAMESPACE
00048 {
00049 
00061 class OW_CLIENT_API ClientCIMOMHandleConnectionPool : public IntrusiveCountableBase
00062 {
00063 public:
00068    ClientCIMOMHandleConnectionPool(unsigned maxConnectionsPerUrl);
00069 
00086    ClientCIMOMHandleRef getConnection(const String& url);
00087 
00097    void addConnectionToPool(const ClientCIMOMHandleRef& handle, const String& url);
00098 
00102    class HandleReturner
00103    {
00104    public:
00105       HandleReturner(ClientCIMOMHandleRef& hdl, ClientCIMOMHandleConnectionPoolRef& pool, const String& url)
00106          : m_hdl(hdl)
00107          , m_pool(pool)
00108          , m_url(url)
00109       {
00110       }
00111    
00112       ~HandleReturner()
00113       {
00114          m_pool->addConnectionToPool(m_hdl, m_url);
00115       }
00116    private:
00117       ClientCIMOMHandleRef& m_hdl;
00118       ClientCIMOMHandleConnectionPoolRef& m_pool;
00119       const String& m_url;
00120    };
00121 
00122 
00123 private:
00124 
00125    // unimplemented
00126    ClientCIMOMHandleConnectionPool(const ClientCIMOMHandleConnectionPool&);
00127    ClientCIMOMHandleConnectionPool& operator=(const ClientCIMOMHandleConnectionPool&);
00128 
00129    unsigned m_maxConnectionsPerUrl;
00130    Mutex m_guard;
00131 
00132 #ifdef OW_WIN32
00133 #pragma warning (push)
00134 #pragma warning (disable: 4251)
00135 #endif
00136 
00137    typedef std::multimap<String, ClientCIMOMHandleRef> pool_t;
00138    pool_t m_pool;
00139 
00140 #ifdef OW_WIN32
00141 #pragma warning (pop)
00142 #endif
00143 
00144 };
00145 
00146 }
00147 
00148 #endif
00149 
00150 
00151 

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