OPeNDAP Hyrax Back End Server (BES) Updated for version 3.8.3
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00001 // PPTStreamBuf.h 00002 00003 // This file is part of bes, A C++ back-end server implementation framework 00004 // for the OPeNDAP Data Access Protocol. 00005 00006 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research 00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu> 00008 // 00009 // This library is free software; you can redistribute it and/or 00010 // modify it under the terms of the GNU Lesser General Public 00011 // License as published by the Free Software Foundation; either 00012 // version 2.1 of the License, or (at your option) any later version. 00013 // 00014 // This library is distributed in the hope that it will be useful, 00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 // Lesser General Public License for more details. 00018 // 00019 // You should have received a copy of the GNU Lesser General Public 00020 // License along with this library; if not, write to the Free Software 00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 // 00023 // You can contact University Corporation for Atmospheric Research at 00024 // 3080 Center Green Drive, Boulder, CO 80301 00025 00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005 00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR. 00028 // 00029 // Authors: 00030 // pwest Patrick West <pwest@ucar.edu> 00031 // jgarcia Jose Garcia <jgarcia@ucar.edu> 00032 00033 #ifndef I_PPTStreamBuf_h 00034 #define I_PPTStreamBuf_h 1 00035 00036 #include <streambuf> 00037 00038 class PPTStreamBuf : public std::streambuf 00039 { 00040 private: 00041 unsigned d_bufsize ; 00042 int d_fd ; 00043 char * d_buffer ; 00044 unsigned int count ; 00045 00046 PPTStreamBuf() 00047 : d_bufsize( 0 ), 00048 d_buffer( 0 ), 00049 count( 0 ) { } 00050 public: 00051 PPTStreamBuf(int fd, unsigned bufsize = 1) ; 00052 virtual ~PPTStreamBuf() ; 00053 00054 unsigned int how_many(){ return count ; } 00055 00056 void open( int fd, unsigned bufsize = 1 ) ; 00057 00058 int sync() ; 00059 00060 int overflow(int c) ; 00061 00062 void finish() ; 00063 }; 00064 00065 #endif // I_PPTStreamBuf_h 1 00066