00001 // BESCgiInterface.cc 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) 2004,2005 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 Atmostpheric 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 #include "BESCgiInterface.h" 00034 #include "DODSFilter.h" 00035 #include "BESFilterTransmitter.h" 00036 #include "BESHandlerException.h" 00037 #include "BESResponseHandlerList.h" 00038 #include "cgi_util.h" 00039 #include "BESDataNames.h" 00040 #include "BESDebug.h" 00041 00053 BESCgiInterface::BESCgiInterface( const string &type, DODSFilter &df ) 00054 : _type( type ), 00055 _df( &df ) 00056 { 00057 _dhi.transmit_protocol = "HTTP" ; 00058 _transmitter = new BESFilterTransmitter( df ) ; 00059 } 00060 00061 BESCgiInterface::~BESCgiInterface() 00062 { 00063 clean() ; 00064 if( _transmitter ) delete _transmitter ; 00065 _transmitter = 0 ; 00066 } 00067 00079 void 00080 BESCgiInterface::build_data_request_plan() 00081 { 00082 BESDEBUG( "Building data request plan ... " << endl ) 00083 string symbolic_name = name_path( _df->get_dataset_name() ) ; 00084 BESDEBUG( " symbolic name = " << symbolic_name << endl ) 00085 BESDEBUG( " constraint = " << _df->get_ce() << endl ) 00086 BESDEBUG( " dataset name = " << _df->get_dataset_name() << endl ) 00087 BESDEBUG( " type = " << _type << endl ) 00088 BESContainer d( symbolic_name ) ; 00089 d.set_constraint( _df->get_ce() ) ; 00090 d.set_real_name ( _df->get_dataset_name() ) ; 00091 d.set_container_type( _type ) ; 00092 d.set_valid_flag( true ) ; 00093 00094 _dhi.containers.push_back( d ) ; 00095 string myaction = (string)"get." + _df->get_action() ; 00096 _dhi.action = myaction ; 00097 _dhi.response_handler = 00098 BESResponseHandlerList::TheList()->find_handler( myaction ) ; 00099 if( !_dhi.response_handler ) 00100 { 00101 BESDEBUG( "Building data request plan ... FAILED" << endl ) 00102 string s = (string)"Improper command " + myaction ; 00103 throw BESHandlerException( s, __FILE__, __LINE__ ) ; 00104 } 00105 BESDEBUG( "Building data request plan ... OK" << endl ) 00106 } 00107 00115 void 00116 BESCgiInterface::dump( ostream &strm ) const 00117 { 00118 strm << BESIndent::LMarg << "BESCgiInterface::dump - (" 00119 << (void *)this << ")" << endl ; 00120 BESIndent::Indent() ; 00121 strm << BESIndent::LMarg << "data type: " << _type << endl ; 00122 strm << BESIndent::LMarg << "action: get." << _df->get_action() << endl ; 00123 strm << BESIndent::LMarg << "dataset name: " 00124 << _df->get_dataset_name() << endl ; 00125 strm << BESIndent::LMarg << "constraint expression: " 00126 << _df->get_ce() << endl ; 00127 BESIndent::UnIndent() ; 00128 } 00129