bes  Updated for version 3.20.6
BESProcIdResponseHandler.cc
1 // BESProcIdResponseHandler.cc
2 
3 // This file is part of bes, A C++ back-end server implementation framework
4 // for the OPeNDAP Data Access Protocol.
5 
6 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
7 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
8 //
9 // This library is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU Lesser General Public
11 // License as published by the Free Software Foundation; either
12 // version 2.1 of the License, or (at your option) any later version.
13 //
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // Lesser General Public License for more details.
18 //
19 // You should have received a copy of the GNU Lesser General Public
20 // License along with this library; if not, write to the Free Software
21 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 //
23 // You can contact University Corporation for Atmospheric Research at
24 // 3080 Center Green Drive, Boulder, CO 80301
25 
26 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
27 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
28 //
29 // Authors:
30 // pwest Patrick West <pwest@ucar.edu>
31 // jgarcia Jose Garcia <jgarcia@ucar.edu>
32 
33 #include "config.h"
34 
35 #include "BESProcIdResponseHandler.h"
36 #include "BESInfoList.h"
37 #include "BESInfo.h"
38 #include "BESResponseNames.h"
39 #include "BESUtil.h"
40 
41 using std::endl;
42 using std::map;
43 using std::ostream;
44 using std::string;
45 
46 BESProcIdResponseHandler::BESProcIdResponseHandler( const string &name )
47  : BESResponseHandler( name )
48 {
49 }
50 
51 BESProcIdResponseHandler::~BESProcIdResponseHandler( )
52 {
53 }
54 
66 void
68 {
69  BESInfo *info = BESInfoList::TheList()->build_info() ;
70  d_response_object = info ;
71  dhi.action_name = PROCESS_RESPONSE_STR ;
72  info->begin_response( PROCESS_RESPONSE_STR, dhi ) ;
73  char mypid[12] ;
74  BESUtil::fastpidconverter( mypid, 10 ) ;
75  map<string,string> props ;
76  props["pid"] = mypid ;
77  info->add_tag( "process", "", &props ) ;
78  info->end_response() ;
79 }
80 
93 void
96 {
97  if( d_response_object )
98  {
99  BESInfo *info = dynamic_cast<BESInfo *>(d_response_object) ;
100  if( !info )
101  throw BESInternalError( "cast error", __FILE__, __LINE__ ) ;
102  info->transmit( transmitter, dhi ) ;
103  }
104 }
105 
112 void
113 BESProcIdResponseHandler::dump( ostream &strm ) const
114 {
115  strm << BESIndent::LMarg << "BESProcIdResponseHandler::dump - ("
116  << (void *)this << ")" << endl ;
117  BESIndent::Indent() ;
118  BESResponseHandler::dump( strm ) ;
119  BESIndent::UnIndent() ;
120 }
121 
123 BESProcIdResponseHandler::ProcIdResponseBuilder( const string &name )
124 {
125  return new BESProcIdResponseHandler( name ) ;
126 }
127 
BESProcIdResponseHandler
response handler that returns the process id for the server process
Definition: BESProcIdResponseHandler.h:48
BESResponseHandler::dump
virtual void dump(std::ostream &strm) const
dumps information about this object
Definition: BESResponseHandler.cc:102
BESInfo::transmit
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)=0
transmit the informational object
BESInfo
informational response object
Definition: BESInfo.h:63
BESUtil::fastpidconverter
static char * fastpidconverter(char *buf, int base)
Definition: BESUtil.cc:436
BESInternalError
exception thrown if internal error encountered
Definition: BESInternalError.h:43
BESResponseHandler
handler object that knows how to create a specific response object
Definition: BESResponseHandler.h:77
BESTransmitter
Definition: BESTransmitter.h:47
BESProcIdResponseHandler::execute
virtual void execute(BESDataHandlerInterface &dhi)
executes the command 'show process;' by returning the process id of the server process
Definition: BESProcIdResponseHandler.cc:67
BESInfo::begin_response
virtual void begin_response(const std::string &response_name, BESDataHandlerInterface &dhi)
begin the informational response
Definition: BESInfo.cc:124
BESProcIdResponseHandler::dump
virtual void dump(std::ostream &strm) const
dumps information about this object
Definition: BESProcIdResponseHandler.cc:113
BESDataHandlerInterface
Structure storing information used by the BES to handle the request.
Definition: BESDataHandlerInterface.h:56
BESProcIdResponseHandler::transmit
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)
transmit the response object built by the execute command using the specified transmitter object
Definition: BESProcIdResponseHandler.cc:94