|
1 /* |
|
2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 #ifndef CNATBINDING_H |
|
19 #define CNATBINDING_H |
|
20 |
|
21 // INCLUDES |
|
22 #include <in_sock.h> |
|
23 #include <e32base.h> |
|
24 #include "mnatbindingrefresherobserver.h" |
|
25 #include "nattraversalsocketuser.h" |
|
26 |
|
27 // FORWARD DECLARATIONS |
|
28 class CSTUNBinding; |
|
29 class MSIPNATTraversalRequestObserver; |
|
30 class MSIPNATBindingObserver; |
|
31 class MNATTraversalSocketManager; |
|
32 class CNATBindingRefresher; |
|
33 |
|
34 // CLASS DECLARATION |
|
35 /** |
|
36 * NAT binding. |
|
37 */ |
|
38 class CNATBinding : public CBase, |
|
39 public MNATBindingRefresherObserver, |
|
40 public MNATTraversalSocketUser |
|
41 { |
|
42 public: // Constructors and destructor |
|
43 |
|
44 static CNATBinding* NewL( |
|
45 TUint32 aInitialRequestId, |
|
46 RSocket& aSTUNSocket, |
|
47 const TInetAddr& aLocalAddr, |
|
48 MSIPNATTraversalRequestObserver& aInitialRequestObserver, |
|
49 MSIPNATBindingObserver& aBindingObserver, |
|
50 MNATTraversalSocketManager& aSocketManager); |
|
51 |
|
52 static CNATBinding* NewLC( |
|
53 TUint32 aInitialRequestId, |
|
54 RSocket& aSTUNSocket, |
|
55 const TInetAddr& aLocalAddr, |
|
56 MSIPNATTraversalRequestObserver& aInitialRequestObserver, |
|
57 MSIPNATBindingObserver& aBindingObserver, |
|
58 MNATTraversalSocketManager& aSocketManager); |
|
59 |
|
60 ~CNATBinding(); |
|
61 |
|
62 public: // New functions |
|
63 |
|
64 TBool PersistentConnectionRequired() const; |
|
65 |
|
66 RSocket& STUNSocket(); |
|
67 |
|
68 void SetBinding(CSTUNBinding* aBinding); |
|
69 |
|
70 CSTUNBinding* Binding(); |
|
71 |
|
72 void SendSTUNRequestL(); |
|
73 |
|
74 void SetBindingFailed(TInt aError); |
|
75 |
|
76 TBool SetPublicAddr(const TInetAddr& aPublicAddr); |
|
77 |
|
78 void SetRefresher(CNATBindingRefresher* aRefresher); |
|
79 |
|
80 CNATBindingRefresher* Refresher(); |
|
81 |
|
82 TUint32 InitialRequestId() const; |
|
83 |
|
84 MSIPNATBindingObserver& NATBindingObserver(); |
|
85 |
|
86 TBool AddressResolved() const; |
|
87 |
|
88 const TInetAddr& PublicAddr() const; |
|
89 |
|
90 void HandleDataL(const TDesC8& aData, |
|
91 const RSocket& aSocket, |
|
92 TBool& aConsumed); |
|
93 |
|
94 void ContinueRefreshing(); |
|
95 |
|
96 public: // From MNATBindingRefresherObserver |
|
97 |
|
98 void NATBindingRefreshComplete(TInt aCompletionCode); |
|
99 |
|
100 public: // MNATTraversalSocketUser |
|
101 |
|
102 const RSocket& Socket() const; |
|
103 |
|
104 void SendingAllowed(); |
|
105 |
|
106 TBool IsSending() const; |
|
107 |
|
108 void CancelSending(); |
|
109 |
|
110 private: // Constructors |
|
111 |
|
112 CNATBinding( |
|
113 TUint32 aInitialRequestId, |
|
114 RSocket& aSocket, |
|
115 const TInetAddr& aLocalAddr, |
|
116 MSIPNATTraversalRequestObserver& aInitialRequestObserver, |
|
117 MSIPNATBindingObserver& aBindingObserver, |
|
118 MNATTraversalSocketManager& aSocketManager); |
|
119 |
|
120 private: // New functions |
|
121 |
|
122 void SendingCompleted(); |
|
123 |
|
124 private: // Data |
|
125 |
|
126 TUint32 iInitialReqId; |
|
127 RSocket& iSTUNSocket; |
|
128 MSIPNATTraversalRequestObserver& iInitialReqObserver; |
|
129 MSIPNATBindingObserver& iBindingObserver; |
|
130 MNATTraversalSocketManager& iSocketManager; |
|
131 TInetAddr iPublicAddr; |
|
132 TBool iAddressResolved; |
|
133 CSTUNBinding* iBinding; // owned |
|
134 CNATBindingRefresher* iRefresher; // owned |
|
135 TBool iIsSending; |
|
136 |
|
137 }; |
|
138 |
|
139 #endif // CNATBINDING_H |
|
140 |
|
141 // End of File |