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1 /* |
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2 * Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 #include "tnatfwunsafmsgstateheaderstart.h" |
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22 #include "mnatfwunsafmsgassemblerctx.h" |
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23 |
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24 // ---------------------------------------------------------------------------- |
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25 // TNATFWUNSAFMsgStateHeaderStart::DataReceivedL |
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26 // ---------------------------------------------------------------------------- |
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27 // |
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28 TBool TNATFWUNSAFMsgStateHeaderStart::DataReceivedL( |
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29 TPtr8 aData, |
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30 TUint& aNextLength ) |
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31 { |
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32 TInt messageLength( iMsgAssembler.MessageLength() ); |
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33 __ASSERT_ALWAYS( messageLength > 0, |
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34 User::Leave( KErrNotReady ) ); |
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35 |
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36 TBool retVal( EFalse ); |
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37 |
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38 if ( iMsgAssembler.MsgBuffer().Size() > 0 ) |
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39 { |
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40 // If there's existing data in msg buffer insert the received data |
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41 // to msg buffer. |
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42 iMsgAssembler.MsgBuffer().InsertL( iMsgAssembler.MsgBuffer().Size(), |
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43 aData ); |
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44 iMsgAssembler.MsgBuffer().Compress(); |
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45 |
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46 // delete content of received data. |
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47 aData.Delete( 0, aData.Length() ); |
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48 TPtr8 bufPtr = iMsgAssembler.MsgBuffer().Ptr( 0 ); |
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49 |
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50 if ( bufPtr.Length() >= messageLength ) |
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51 { |
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52 // There's enough data for complete NATFWUNSAF msg |
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53 |
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54 HBufC8* newData = HBufC8::NewLC( bufPtr.Length() ); |
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55 |
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56 // copy the msg buffer data to new data |
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57 TPtr8 newDataPtr = newData->Des(); |
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58 newDataPtr.Append( bufPtr ); |
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59 |
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60 // clean the msg buffer |
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61 iMsgAssembler.MsgBuffer().Reset(); |
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62 iMsgAssembler.MsgBuffer().Compress(); |
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63 |
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64 iMsgAssembler.ChangeState( |
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65 TNATFWUNSAFMsgStateBase::EMsgHeaderEnd ); |
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66 retVal = |
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67 iMsgAssembler.CurrentState().DataReceivedL( newDataPtr, |
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68 aNextLength ); |
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69 CleanupStack::PopAndDestroy( newData ); |
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70 } |
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71 } |
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72 else if ( aData.Length() >= messageLength ) |
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73 { |
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74 // There's enough data for complete NATFWUNSAF msg |
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75 |
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76 iMsgAssembler.ChangeState( TNATFWUNSAFMsgStateBase::EMsgHeaderEnd ); |
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77 retVal = |
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78 iMsgAssembler.CurrentState().DataReceivedL( aData, aNextLength ); |
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79 } |
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80 else |
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81 { |
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82 // There's not enough data for complete UNSAF message, |
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83 // wait for more incoming data |
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84 iMsgAssembler.MsgBuffer().InsertL( iMsgAssembler.MsgBuffer().Size(), |
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85 aData ); |
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86 |
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87 iMsgAssembler.MsgBuffer().Compress(); |
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88 |
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89 aNextLength = |
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90 messageLength - iMsgAssembler.MsgBuffer().Ptr( 0 ).Length(); |
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91 } |
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92 |
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93 return retVal; |
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94 } |
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95 |
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96 // End of File |
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97 |