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1 /* |
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2 * Copyright (c) 2008 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: CReceiver enables asynchronous communication with server side |
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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 #include "logger.h" |
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20 |
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21 #include "creceiver.h" |
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22 #include "rcomms.h" |
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23 #include "ipcclient.h" |
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24 #include "common.h" |
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25 |
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26 namespace java |
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27 { |
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28 namespace comms |
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29 { |
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30 |
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31 const TInt DEFAULT_BUFFER_SIZE = 2048; |
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32 |
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33 CReceiver::CReceiver(IpcClient& aParent, IpcListener& aListener, RComms& aSession) |
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34 : CActive(EPriorityStandard), mParent(aParent), mListener(aListener), mSession(aSession) |
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35 { |
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36 CActiveScheduler::Add(this); |
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37 mBuffer.Create(DEFAULT_BUFFER_SIZE); |
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38 } |
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39 |
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40 CReceiver::~CReceiver() |
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41 { |
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42 mBuffer.Close(); |
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43 } |
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44 |
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45 void CReceiver::Receive() |
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46 { |
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47 mSession.Receive(mBuffer, mRequiredLength, iStatus); |
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48 SetActive(); |
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49 } |
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50 |
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51 void CReceiver::RunL() |
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52 { |
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53 switch (iStatus.Int()) |
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54 { |
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55 case KErrNone: |
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56 { |
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57 char* buf = desToMessage(mBuffer); |
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58 mListener.processMessage(reinterpret_cast<ipcMessage_t*>(buf)); |
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59 delete[] buf; |
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60 Receive(); |
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61 } |
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62 break; |
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63 |
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64 case KErrOverflow: |
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65 { |
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66 // buffer was not big enough for the message so reallocate buffer with correct size |
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67 mBuffer.Close(); |
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68 mBuffer.ReAllocL(mRequiredLength()); |
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69 WLOG2(EJavaComms, "%s: increasing buffer size to %d", __PRETTY_FUNCTION__, mRequiredLength()); |
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70 Receive(); |
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71 } |
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72 break; |
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73 |
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74 default: |
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75 ELOG2(EJavaComms, "%s failed, err = %d", __PRETTY_FUNCTION__, iStatus.Int()); |
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76 mParent.error(iStatus.Int()); |
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77 break; |
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78 } |
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79 } |
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80 |
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81 void CReceiver::DoCancel() |
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82 { |
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83 mSession.CancelReceive(); |
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84 } |
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85 |
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86 TInt CReceiver::RunError(TInt aError) |
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87 { |
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88 ELOG2(EJavaComms, "%s failed, err = %d", __PRETTY_FUNCTION__, aError); |
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89 return KErrNone; |
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90 } |
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91 |
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92 |
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93 } // namespace comms |
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94 } // namespace java |