IOStream.h

/*
 * Copyright (C) 2013 by Marc Boris Duerner
 *
 * 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; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * As a special exception, you may use this file as part of a free
 * software library without restriction. Specifically, if other files
 * instantiate templates or use macros or inline functions from this
 * file, or you compile this file and link it with other files to
 * produce an executable, this file does not by itself cause the
 * resulting executable to be covered by the GNU General Public
 * License. This exception does not however invalidate any other
 * reasons why the executable file might be covered by the GNU Library
 * General Public 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
 */

#ifndef PT_SSL_IOSTREAM_H
#define PT_SSL_IOSTREAM_H

#include <Pt/Ssl/Api.h>
#include <Pt/Ssl/StreamBuffer.h>
#include <Pt/NonCopyable.h>
#include <Pt/IOStream.h>

namespace Pt {

namespace Ssl {

class IOStream : public BasicIOStream<char>
               , private NonCopyable
{
    public:
        IOStream(std::size_t bufferSize = 1024)
        : BasicIOStream<char>(0)
        , _sb(bufferSize)
        {
            setBuffer(&_sb);
        }

        IOStream(Context& ctx, std::iostream& ios, OpenMode mode, std::size_t bufferSize = 1024)
        : BasicIOStream<char>(0)
        , _sb(ctx, ios, mode, bufferSize)
        {
            setBuffer(&_sb);        
        }

        virtual ~IOStream()
        {}

        void open(Context& ctx, std::iostream& ios, OpenMode mode)
        { _sb.open( ctx, ios, mode); }

        const char* currentCipher() const
        { return _sb.currentCipher(); }

        void close()
        { _sb.close(); }

        bool isConnected() const
        { return _sb.isConnected(); }

        bool writeHandshake()
        { return _sb.writeHandshake(); }

        bool readHandshake()
        { return _sb.readHandshake(); }

        bool shutdown()
        { return _sb.shutdown(); }

        bool isShutdown() const
        { return _sb.isShutdown(); }

        bool isClosed() const
        { return _sb.isClosed(); }

        std::streamsize import(std::streamsize maxImport = 0)
        { return _sb.import(maxImport); }

        StreamBuffer& sslBuffer()
        { return _sb; }

    private:
        StreamBuffer _sb;
};

} // namespace Ssl

} // namespace Pt

#endif // PT_SSL_IOSTREAM_H