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_BT_BITFIELD_MESSAGE_H
36 #define D_BT_BITFIELD_MESSAGE_H
37 
38 #include "SimpleBtMessage.h"
39 
40 namespace aria2 {
41 
42 class BtBitfieldMessage : public SimpleBtMessage {
43 private:
44   std::vector<unsigned char> bitfield_;
45 
46 public:
47   BtBitfieldMessage();
48 
49   BtBitfieldMessage(const unsigned char* bitfield, size_t bitfieldLength);
50 
51   virtual ~BtBitfieldMessage();
52 
53   static const uint8_t ID = 5;
54 
55   static const char NAME[];
56 
57   void setBitfield(const unsigned char* bitfield, size_t bitfieldLength);
58 
getBitfield()59   const unsigned char* getBitfield() const { return bitfield_.data(); }
60 
getBitfieldLength()61   size_t getBitfieldLength() const { return bitfield_.size(); }
62 
63   static std::unique_ptr<BtBitfieldMessage> create(const unsigned char* data,
64                                                    size_t dataLength);
65 
66   virtual void doReceivedAction() CXX11_OVERRIDE;
67 
68   virtual std::vector<unsigned char> createMessage() CXX11_OVERRIDE;
69 
70   virtual std::string toString() const CXX11_OVERRIDE;
71 };
72 
73 } // namespace aria2
74 
75 #endif // D_BT_BITFIELD_MESSAGE_H
76