64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file identityStreamBuf.h
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* @author drose
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* @date 2002-10-09
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*/
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#ifndef IDENTITYSTREAMBUF_H
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#define IDENTITYSTREAMBUF_H
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#include "pandabase.h"
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// This module is not compiled if OpenSSL is not available.
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#ifdef HAVE_OPENSSL
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#include "bioStreamPtr.h"
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#include "pointerTo.h"
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#include "socketStream.h"
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class HTTPChannel;
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/**
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* The streambuf object that implements IIdentityStream.
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*/
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class EXPCL_PANDA_DOWNLOADER IdentityStreamBuf : public std::streambuf {
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public:
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IdentityStreamBuf();
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virtual ~IdentityStreamBuf();
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void open_read(BioStreamPtr *source, HTTPChannel *doc,
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bool has_content_length, size_t content_length);
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void close_read();
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INLINE bool is_closed() const;
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INLINE ISocketStream::ReadState get_read_state() const;
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protected:
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virtual int underflow();
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private:
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size_t read_chars(char *start, size_t length);
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PT(BioStreamPtr) _source;
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bool _has_content_length;
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size_t _bytes_remaining;
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bool _wanted_nonblocking;
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ISocketStream::ReadState _read_state;
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char *_buffer;
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friend class IIdentityStream;
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};
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#include "identityStreamBuf.I"
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#endif // HAVE_OPENSSL
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#endif
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