Socket.h

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// Socket.h - a virtual IO channel, for Gnash
// 
//   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
//   Free Software Foundation, Inc
// 
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
// 
// This program 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 General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA


#ifndef GNASH_SOCKET_H
#define GNASH_SOCKET_H

#include "dsodefs.h"
#include <boost/cstdint.hpp>
#include "IOChannel.h"

namespace gnash {
    class URL;
}

namespace gnash {

//
class DSOEXPORT Socket : public IOChannel
{
public:

    Socket();

    virtual ~Socket() {}

    //
    //
    bool connect(const std::string& hostname, boost::uint16_t port);

    //
    void close();

    //
    bool connected() const;
    
    //
    virtual bool bad() const {
        return _error;
    }

    //
    virtual std::streamsize read(void* dst, std::streamsize num);

    virtual std::streamsize readNonBlocking(void* dst, std::streamsize num);

    //
    //
    virtual std::streamsize write(const void* src, std::streamsize num);
    
    //
    virtual std::streampos tell() const;

    //
    virtual bool seek(std::streampos p);

    //
    virtual void go_to_end();

    //
    virtual bool eof() const;

private:

    void fillCache();

    mutable bool _connected;

    char _cache[16384];

    int _socket;

    int _size;

    size_t _pos;

    mutable bool _error;
};

} // namespace gnash

#endif // GNASH_IOCHANNEL_H


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