bes Updated for version 3.21.1
The Backend Server (BES) is the lower two tiers of the Hyrax data server
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
41using std::endl;
42using std::map;
43using std::ostream;
44using std::string;
45
46BESProcIdResponseHandler::BESProcIdResponseHandler( const string &name )
47 : BESResponseHandler( name )
48{
49}
50
51BESProcIdResponseHandler::~BESProcIdResponseHandler( )
52{
53}
54
66void
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, std::less<>> props ;
76 props["pid"] = mypid ;
77 info->add_tag( "process", "", &props ) ;
78 info->end_response() ;
79}
80
93void
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
112void
113BESProcIdResponseHandler::dump( ostream &strm ) const
114{
115 strm << BESIndent::LMarg << "BESProcIdResponseHandler::dump - ("
116 << (void *)this << ")" << endl ;
117 BESIndent::Indent() ;
119 BESIndent::UnIndent() ;
120}
121
123BESProcIdResponseHandler::ProcIdResponseBuilder( const string &name )
124{
125 return new BESProcIdResponseHandler( name ) ;
126}
127
Structure storing information used by the BES to handle the request.
informational response object
Definition BESInfo.h:63
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)=0
transmit the informational object
virtual void begin_response(const std::string &response_name, BESDataHandlerInterface &dhi)
begin the informational response
Definition BESInfo.cc:120
exception thrown if internal error encountered
response handler that returns the process id for the server process
virtual void dump(std::ostream &strm) const
dumps information about this object
virtual void execute(BESDataHandlerInterface &dhi)
executes the command 'show process;' by returning the process id of the server process
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)
transmit the response object built by the execute command using the specified transmitter object
handler object that knows how to create a specific response object
void dump(std::ostream &strm) const override
dumps information about this object
static char * fastpidconverter(char *buf, int base)
Definition BESUtil.cc:418