summaryrefslogtreecommitdiff
path: root/src/DHTMessage.h
blob: 5a50e801521f65dfad247567c70dca339bd9b307 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2006 Tatsuhiro Tsujikawa
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the
 * OpenSSL library under certain conditions as described in each
 * individual source file, and distribute linked combinations
 * including the two.
 * You must obey the GNU General Public License in all respects
 * for all of the code used other than OpenSSL.  If you modify
 * file(s) with this exception, you may extend this exception to your
 * version of the file(s), but you are not obligated to do so.  If you
 * do not wish to do so, delete this exception statement from your
 * version.  If you delete this exception statement from all source
 * files in the program, then also delete it here.
 */
/* copyright --> */
#ifndef D_DHT_MESSAGE_H
#define D_DHT_MESSAGE_H

#include "common.h"

#include <string>

#include "SharedHandle.h"
#include "A2STR.h"

namespace aria2 {

class DHTNode;

class DHTMessage {
private:
  SharedHandle<DHTNode> localNode_;

  SharedHandle<DHTNode> remoteNode_;

  std::string transactionID_;

  std::string version_;

  void generateTransactionID();
public:
  DHTMessage(const SharedHandle<DHTNode>& localNode,
             const SharedHandle<DHTNode>& remoteNode,
             const std::string& transactionID = A2STR::NIL);

  virtual ~DHTMessage();

  const std::string& getTransactionID() const
  {
    return transactionID_;
  }

  const SharedHandle<DHTNode>& getLocalNode() const
  {
    return localNode_;
  }

  const SharedHandle<DHTNode>& getRemoteNode() const
  {
    return remoteNode_;
  }

  virtual void doReceivedAction() = 0;

  virtual bool send() = 0;

  virtual bool isReply() const = 0;

  virtual void validate() const {}

  virtual const std::string& getMessageType() const = 0;

  virtual std::string toString() const = 0;

  const std::string& getVersion() const
  {
    return version_;
  }

  void setVersion(const std::string& version)
  {
    version_ = version;
  }

  static const std::string Y;

  static const std::string T;

  static const std::string V;

  static const std::string ID;
};

} // namespace aria2

#endif // D_DHT_MESSAGE_H