1 /*---------------------------------------------------------------------------*
2   Project:  Horizon
3   File:     rdt_HostBase.h
4 
5   Copyright (C)2009-2012 Nintendo Co., Ltd.  All rights reserved.
6 
7   These coded instructions, statements, and computer programs contain
8   proprietary information of Nintendo of America Inc. and/or Nintendo
9   Company Ltd., and are protected by Federal copyright law.  They may
10   not be disclosed to third parties or copied or duplicated in any form,
11   in whole or in part, without the prior written consent of Nintendo.
12 
13   $Rev: 46347 $
14  *---------------------------------------------------------------------------*/
15 
16 #include "stdafx.h"
17 
18 #ifndef NN_RDT_HOSTBASE_H_
19 #define NN_RDT_HOSTBASE_H_
20 
21 
22 #include "rdt_Transceiver.h"
23 
24 namespace nn { namespace rdt { namespace CTR {
25 
26 /* Please see man pages for details
27 
28 
29 */
30 class HostBase{
31 public:
32 
33 /* Please see man pages for details
34 
35 */
36     HostBase(void);
37 
38 /* Please see man pages for details
39 
40 */
41     virtual ~HostBase(void);
42 
43 /* Please see man pages for details
44 
45 */
46 #ifdef _WIN32
47     nn::Result Initialize(SOCKET &sock);
48 #elif defined(NN_PLATFORM_CTR)
49     nn::Result Initialize(u16 nodeId, u8 port);  // Sender node ID and port number
50 #else
51     #error no platform selected
52 #endif
53 
54 /* Please see man pages for details
55 
56 */
57     void Finalize(void);
58 
59 /* Please see man pages for details
60 
61 
62 */
63     void SetPacketLossRatio(int per);
64 
65 /* Please see man pages for details
66 
67 */
GetErrorCode(void)68     nn::Result GetErrorCode(void) const { return m_resultCode; }
69 
70 /* Please see man pages for details
71 
72 */
73     static void PrintProperty(void);
74 
75 
76 protected:
77     // Sends segment. To perform resend process, do so outside of this function.
78     // Depending on the packet loss rate, the send fails (no send is performed)
79     void putSegment(const Segment &seg);
80 
81     // Receive segment.
82     nn::Result pullSegment(Segment *pSeg);
83 
84     // Sends segment that includes the RST control bit.
85     // This segment is not a target for resending.
86     void sendRstSegment(u32 seq);
87 
88     // Sends segment that includes the RST and ACK control bit.
89     // This segment is not a target for resending.
90     void sendRstAckSegment(u32 seq, u32 ack);
91 
92     // Records error information. Call this function if a state where an error occurs happens.
93     void errorHandling(Result resultCode);
94 
95 
96 private:
97 /* Please see man pages for details
98 
99 */
100     HostBase           (const HostBase&);
101 
102 /* Please see man pages for details
103 
104 */
105     HostBase& operator=(const HostBase&);
106 
107     Transceiver   m_transceiver; // Send/receive object
108 
109     int m_packetLossRatio;       // Packet loss rate. Zero or higher, 100 or lower.
110 
111     Result m_resultCode;         // Record most recent result code here
112 
113     bool m_initialized;
114     u8   m_padding[3];
115 };
116 
117 
118 }}} // namespace nn::rdt::CTR
119 
120 #endif  // end of NN_RDT_HOSTBASE_H_
121