Panda3D
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00001 // Filename: bioStreamBuf.h 00002 // Created by: drose (25Sep02) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef BIOSTREAMBUF_H 00016 #define BIOSTREAMBUF_H 00017 00018 #include "pandabase.h" 00019 00020 // This module is not compiled if OpenSSL is not available. 00021 #ifdef HAVE_OPENSSL 00022 #define OPENSSL_NO_KRB5 00023 00024 #include "bioPtr.h" 00025 #include "pointerTo.h" 00026 #include "openssl/ssl.h" 00027 00028 //////////////////////////////////////////////////////////////////// 00029 // Class : BioStreamBuf 00030 // Description : The streambuf object that implements 00031 // IBioStream. 00032 //////////////////////////////////////////////////////////////////// 00033 class EXPCL_PANDAEXPRESS BioStreamBuf : public streambuf { 00034 public: 00035 BioStreamBuf(); 00036 virtual ~BioStreamBuf(); 00037 00038 void open(BioPtr *source); 00039 void close(); 00040 00041 protected: 00042 virtual int overflow(int c); 00043 virtual int sync(); 00044 virtual int underflow(); 00045 00046 private: 00047 size_t write_chars(const char *start, size_t length); 00048 00049 PT(BioPtr) _source; 00050 bool _read_open; 00051 bool _write_open; 00052 char *_buffer; 00053 00054 friend class IBioStream; 00055 friend class OBioStream; 00056 friend class BioStream; 00057 }; 00058 00059 #endif // HAVE_OPENSSL 00060 00061 #endif