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1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // csockethandler.h |
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15 // |
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16 // |
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17 /** |
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18 @file |
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19 @internalTechnology |
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20 */ |
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21 #ifndef __CSOCKETHANDLER_H__ |
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22 #define __CSOCKETHANDLER_H__ |
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23 |
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24 //System include |
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25 #include <e32base.h> |
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26 #include <in_sock.h> |
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27 #include <es_mbuf.h> |
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28 |
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29 |
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30 //User include |
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31 #include "msockethandlerobserver.h" |
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32 #include "mdnsdebug.h" |
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33 |
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34 /* |
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35 1. This is an Active Object which can be activated to recieve or |
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36 send asynchronusly as per the operation list mentioned.An Observer should be |
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37 provided at the time of construction so as to notify the success or failure of |
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38 opertion.The client using CSocketHandler should implement the observer class |
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39 MSOcketHandlerObserver. |
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40 |
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41 2. Maximum size of the packet this could either send or recieve is KMaxDnsPacketSize = 9216 |
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42 |
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43 3. TSocketHandlerParams-- This is typedef from TIpcArgs ,which can hold an |
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44 pointer to an array of four variables. |
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45 a. The first variable it is pointing to should specify the operation(TSocketOPeration). |
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46 b. Second should provide the packet to be send . |
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47 c. Third should provide the address to which it should be send. |
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48 |
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49 |
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50 */ |
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51 |
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52 const TInt KDefaultFlags = 0; |
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53 //const TInt KMaxDnsPacketSize = 9216; |
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54 |
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55 enum TSocketOperation |
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56 { |
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57 ESocketIdle, |
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58 ESocketSend, |
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59 ESocketSendTo, |
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60 ESocketRecieve, |
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61 ESocketRecieveFrom, |
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62 }; |
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63 |
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64 typedef TIpcArgs TSocketHandlerParams; |
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65 |
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66 class CSocketHandler : public CActive |
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67 { |
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68 public: |
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69 |
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70 static CSocketHandler* NewL(RSocket& aSocket, MSocketHandlerObserver& aObserver, TSocketOperation aOperation); |
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71 void Activate ( const TSocketHandlerParams& aParams ); |
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72 ~CSocketHandler(); |
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73 |
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74 private: |
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75 CSocketHandler(RSocket& aSocket, MSocketHandlerObserver& aObserver, TSocketOperation aOperation); |
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76 void ConstructL(); |
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77 void CompleteSelf ( TInt aError ); |
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78 void CancelCurrent(); |
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79 void NotifyCompletionL( ); |
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80 |
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81 //Derived from CActive |
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82 void RunL(); |
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83 void DoCancel(); |
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84 TInt RunError(TInt aError); |
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85 |
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86 private: |
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87 HBufC8* iPacketBuffer; |
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88 TPtr8 iPacketPtr; |
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89 TSockAddr iSockAddr; |
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90 TSocketOperation iOperation; |
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91 RSocket& iSocket; |
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92 MSocketHandlerObserver& iObserver; |
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93 TSockXfrLength iLength; |
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94 /** |
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95 *FLOGGER debug trace member variable. |
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96 */ |
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97 __FLOG_DECLARATION_MEMBER_MUTABLE; |
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98 }; |
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99 |
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100 #endif |
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101 |