historical/toontown-classic.git/panda/include/identityStreamBuf.h
2024-01-16 11:20:27 -06:00

63 lines
1.4 KiB
C++

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