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_RECEIVER_MSE_HANDSHAKE_COMMAND_H
36 #define D_RECEIVER_MSE_HANDSHAKE_COMMAND_H
37 
38 #include "PeerAbstractCommand.h"
39 
40 namespace aria2 {
41 
42 class MSEHandshake;
43 class SocketCore;
44 class Peer;
45 
46 class ReceiverMSEHandshakeCommand : public PeerAbstractCommand {
47 public:
48   enum Seq {
49     RECEIVER_IDENTIFY_HANDSHAKE,
50     RECEIVER_WAIT_KEY,
51     RECEIVER_SEND_KEY_PENDING,
52     RECEIVER_FIND_HASH_MARKER,
53     RECEIVER_RECEIVE_PAD_C_LENGTH,
54     RECEIVER_RECEIVE_PAD_C,
55     RECEIVER_RECEIVE_IA_LENGTH,
56     RECEIVER_RECEIVE_IA,
57     RECEIVER_SEND_STEP2_PENDING,
58   };
59 
60 private:
61   Seq sequence_;
62 
63   std::unique_ptr<MSEHandshake> mseHandshake_;
64 
65   void createCommand();
66 
67 protected:
68   virtual bool executeInternal() CXX11_OVERRIDE;
69   virtual bool exitBeforeExecute() CXX11_OVERRIDE;
70 
71 public:
72   ReceiverMSEHandshakeCommand(cuid_t cuid, const std::shared_ptr<Peer>& peer,
73                               DownloadEngine* e,
74                               const std::shared_ptr<SocketCore>& s);
75 
76   virtual ~ReceiverMSEHandshakeCommand();
77 };
78 
79 } // namespace aria2
80 
81 #endif // D_RECEIVER_MSE_HANDSHAKE_COMMAND_H
82