bes  Updated for version 3.17.4
Connection.h
1 // Connection.h
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 #ifndef Connection_h
34 #define Connection_h 1
35 
36 #include <iostream>
37 #include <string>
38 #include <map>
39 
40 using std::ostream;
41 using std::string;
42 using std::map;
43 
44 #include "BESObj.h"
45 #include "Socket.h"
46 
47 class Connection: public BESObj {
48 protected:
49  Socket *_mySock;
50  ostream *_out;
51  bool _brokenPipe;
52 
53  Connection() :
54  _mySock(0), _out(0), _brokenPipe(false)
55  {
56  }
57 
58  virtual void send(const string &buffer) = 0;
59  virtual void sendChunk(const string &buffer, map<string, string> &extensions) = 0;
60 
61 public:
62  virtual ~Connection()
63  {
64  }
65 
66  virtual void initConnection() = 0;
67  virtual void closeConnection() = 0;
68 
69  virtual string exit() = 0;
70 
71  virtual void send(const string &buffer, map<string, string> &extensions) = 0;
72  virtual void sendExtensions(map<string, string> &extensions) = 0;
73  virtual void sendExit() = 0;
74  virtual bool receive(map<string, string> &extensions, ostream *strm = 0) = 0;
75 
76  virtual Socket * getSocket()
77  {
78  return _mySock;
79  }
80 
81  virtual bool isConnected()
82  {
83  if (_mySock) return _mySock->isConnected();
84  return false;
85  }
86 
87  virtual void setOutputStream(ostream *strm)
88  {
89  _out = strm;
90  }
91  virtual ostream * getOutputStream()
92  {
93  return _out;
94  }
95 
96  virtual void brokenPipe()
97  {
98  _brokenPipe = true;
99  }
100 
101  virtual unsigned int getRecvChunkSize() = 0;
102  virtual unsigned int getSendChunkSize() = 0;
103 
104  virtual void dump(ostream &strm) const;
105 };
106 
107 #endif // Connection_h
Definition: Socket.h:42
virtual void dump(ostream &strm) const
dumps information about this object
Definition: Connection.cc:41
Base object for bes objects.
Definition: BESObj.h:52