1 /* <!-- copyright */
2 /*
3  * aria2 - The high speed download utility
4  *
5  * Copyright (C) 2006 Tatsuhiro Tsujikawa
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  *
21  * In addition, as a special exception, the copyright holders give
22  * permission to link the code of portions of this program with the
23  * OpenSSL library under certain conditions as described in each
24  * individual source file, and distribute linked combinations
25  * including the two.
26  * You must obey the GNU General Public License in all respects
27  * for all of the code used other than OpenSSL.  If you modify
28  * file(s) with this exception, you may extend this exception to your
29  * version of the file(s), but you are not obligated to do so.  If you
30  * do not wish to do so, delete this exception statement from your
31  * version.  If you delete this exception statement from all source
32  * files in the program, then also delete it here.
33  */
34 /* copyright --> */
35 #ifndef D_DHT_UNKNOWN_MESSAGE_H
36 #define D_DHT_UNKNOWN_MESSAGE_H
37 
38 #include "DHTMessage.h"
39 
40 namespace aria2 {
41 
42 class DHTUnknownMessage : public DHTMessage {
43 private:
44   unsigned char* data_;
45   size_t length_;
46   std::string ipaddr_;
47   uint16_t port_;
48 
49 public:
50   // _remoteNode is always null
51   DHTUnknownMessage(const std::shared_ptr<DHTNode>& localNode,
52                     const unsigned char* data, size_t length,
53                     const std::string& ipaddr, uint16_t port);
54 
55   virtual ~DHTUnknownMessage();
56 
57   // do nothing
58   virtual void doReceivedAction() CXX11_OVERRIDE;
59 
60   // do nothing; we don't use this message as outgoing message.
61   virtual bool send() CXX11_OVERRIDE;
62 
63   // always return false
64   virtual bool isReply() const CXX11_OVERRIDE;
65 
66   // returns "unknown"
67   virtual const std::string& getMessageType() const CXX11_OVERRIDE;
68 
69   // show some sample bytes
70   virtual std::string toString() const CXX11_OVERRIDE;
71 
72   static const std::string E;
73 
74   static const std::string UNKNOWN;
75 };
76 
77 } // namespace aria2
78 
79 #endif // D_DHT_UNKNOWN_MESSAGE_H
80