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

56 lines
1.1 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 bioStreamBuf.h
* @author drose
* @date 2002-09-25
*/
#ifndef BIOSTREAMBUF_H
#define BIOSTREAMBUF_H
#include "pandabase.h"
// This module is not compiled if OpenSSL is not available.
#ifdef HAVE_OPENSSL
#include "bioPtr.h"
#include "pointerTo.h"
/**
* The streambuf object that implements IBioStream.
*/
class EXPCL_PANDA_DOWNLOADER BioStreamBuf : public std::streambuf {
public:
BioStreamBuf();
virtual ~BioStreamBuf();
void open(BioPtr *source);
void close();
protected:
virtual int overflow(int c);
virtual int sync();
virtual int underflow();
private:
size_t write_chars(const char *start, size_t length);
PT(BioPtr) _source;
bool _read_open;
bool _write_open;
char *_buffer;
friend class IBioStream;
friend class OBioStream;
friend class BioStream;
};
#endif // HAVE_OPENSSL
#endif