|
sl@0
|
1 |
/*
|
|
sl@0
|
2 |
* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
sl@0
|
3 |
* All rights reserved.
|
|
sl@0
|
4 |
* This component and the accompanying materials are made available
|
|
sl@0
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
|
sl@0
|
6 |
* which accompanies this distribution, and is available
|
|
sl@0
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
sl@0
|
8 |
*
|
|
sl@0
|
9 |
* Initial Contributors:
|
|
sl@0
|
10 |
* Nokia Corporation - initial contribution.
|
|
sl@0
|
11 |
*
|
|
sl@0
|
12 |
* Contributors:
|
|
sl@0
|
13 |
*
|
|
sl@0
|
14 |
* Description:
|
|
sl@0
|
15 |
* Name : readrequesthandler.h
|
|
sl@0
|
16 |
* Part of : stdio server
|
|
sl@0
|
17 |
* To handle request for read
|
|
sl@0
|
18 |
*
|
|
sl@0
|
19 |
*
|
|
sl@0
|
20 |
*/
|
|
sl@0
|
21 |
|
|
sl@0
|
22 |
|
|
sl@0
|
23 |
|
|
sl@0
|
24 |
|
|
sl@0
|
25 |
|
|
sl@0
|
26 |
#ifndef _READREQUEST_H_
|
|
sl@0
|
27 |
#define _READREQUEST_H_
|
|
sl@0
|
28 |
|
|
sl@0
|
29 |
#include<e32base.h>//CActive
|
|
sl@0
|
30 |
|
|
sl@0
|
31 |
//Enumarations for Polling
|
|
sl@0
|
32 |
//duplicate of fdesc.h
|
|
sl@0
|
33 |
enum TPollMode
|
|
sl@0
|
34 |
{
|
|
sl@0
|
35 |
EReadyForReading = 1,
|
|
sl@0
|
36 |
EReadyForWriting = 2,
|
|
sl@0
|
37 |
EAnyException = 4
|
|
sl@0
|
38 |
};
|
|
sl@0
|
39 |
|
|
sl@0
|
40 |
class CStreamBase;
|
|
sl@0
|
41 |
|
|
sl@0
|
42 |
//-----------------------------------------------------------------------
|
|
sl@0
|
43 |
//Class name: TReadRequest
|
|
sl@0
|
44 |
//Description: Request object created for every read request from a
|
|
sl@0
|
45 |
// client. These are queued as a singly linked list.
|
|
sl@0
|
46 |
//-----------------------------------------------------------------------
|
|
sl@0
|
47 |
|
|
sl@0
|
48 |
class TReadRequest
|
|
sl@0
|
49 |
{
|
|
sl@0
|
50 |
public:
|
|
sl@0
|
51 |
inline TReadRequest(const RMessage2&);
|
|
sl@0
|
52 |
const RMessage2 iMessage2;
|
|
sl@0
|
53 |
|
|
sl@0
|
54 |
TSglQueLink iLink;
|
|
sl@0
|
55 |
};
|
|
sl@0
|
56 |
|
|
sl@0
|
57 |
|
|
sl@0
|
58 |
|
|
sl@0
|
59 |
//-----------------------------------------------------------------------
|
|
sl@0
|
60 |
//Class name: CReadRequestHandler
|
|
sl@0
|
61 |
//Description: Request Handler class created for Read media. This
|
|
sl@0
|
62 |
// Class is an active object and will handle all read
|
|
sl@0
|
63 |
// requests in the form of RReadRequest objects.
|
|
sl@0
|
64 |
//-----------------------------------------------------------------------
|
|
sl@0
|
65 |
|
|
sl@0
|
66 |
class CReadRequestHandler : public CActive
|
|
sl@0
|
67 |
{
|
|
sl@0
|
68 |
public:
|
|
sl@0
|
69 |
static CReadRequestHandler* NewL(CStreamBase* aConsoleRead);
|
|
sl@0
|
70 |
~CReadRequestHandler();
|
|
sl@0
|
71 |
void RunL();
|
|
sl@0
|
72 |
void ServiceL(const RMessage2& aMessage2);
|
|
sl@0
|
73 |
void NotifyActivityL(const RMessage2& aMessage2);
|
|
sl@0
|
74 |
void CancelNotify();
|
|
sl@0
|
75 |
void DoCancel();
|
|
sl@0
|
76 |
|
|
sl@0
|
77 |
private:
|
|
sl@0
|
78 |
CReadRequestHandler();
|
|
sl@0
|
79 |
CReadRequestHandler(CStreamBase* aConsoleRead);
|
|
sl@0
|
80 |
void Complete(const RMessage2 &aMessage);
|
|
sl@0
|
81 |
TSglQue<TReadRequest> iQueue;
|
|
sl@0
|
82 |
CStreamBase* iReadStream;
|
|
sl@0
|
83 |
TInt iNotifyHandle;
|
|
sl@0
|
84 |
TPtr8 iPtr;
|
|
sl@0
|
85 |
};
|
|
sl@0
|
86 |
|
|
sl@0
|
87 |
#endif //_READREQUEST_H_
|
|
sl@0
|
88 |
|
|
sl@0
|
89 |
|
|
sl@0
|
90 |
|