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1 /* |
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2 * Copyright (c) 2009 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 #include <s32mem.h> |
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18 |
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19 #include "tstaskmonitorsession.h" |
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20 #include "tstaskmonitorglobals.h" |
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21 |
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22 void RTsTaskMonitorSession::TaskListL(RTsFswArray& tasks) |
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23 { |
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24 for (;;) { |
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25 TPckgBuf<TInt> dataSize; |
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26 User::LeaveIfError(SendReceive(GetRunningAppInfo, TIpcArgs(&dataSize))); |
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27 HBufC8* data = HBufC8::NewLC(dataSize()); |
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28 TPtr8 dataPointer(data->Des()); |
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29 TInt err = SendReceive(FlushData, TIpcArgs(&dataPointer, dataSize())); |
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30 if (err == KErrNone) { |
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31 RDesReadStream dataStream(dataPointer); |
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32 CleanupClosePushL(dataStream); |
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33 CTsFswEntry::InternalizeArrayL(dataStream, tasks); |
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34 CleanupStack::PopAndDestroy(&dataStream); |
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35 } else if (err != KErrCorrupt) { |
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36 User::Leave(err); |
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37 } |
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38 CleanupStack::PopAndDestroy(data); |
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39 if (err == KErrNone) { |
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40 break; |
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41 } |
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42 // If result was KErrCorrupt then the size received from GetRunningAppInfo is |
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43 // not valid anymore so restart the whole procedure. |
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44 } |
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45 } |
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46 |
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47 TInt RTsTaskMonitorSession::StartServer() |
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48 { |
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49 RProcess server; |
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50 if (TInt error = server.Create(KRunningAppServerName, KNullDesC, TUidType(KNullUid, KNullUid, KRunningAppServerUid))) { |
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51 return error; |
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52 } |
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53 |
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54 TRequestStatus status; |
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55 server.Rendezvous(status); |
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56 if (status != KRequestPending) { |
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57 server.Kill(0); |
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58 } else { |
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59 server.Resume(); |
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60 } |
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61 |
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62 User::WaitForRequest(status); |
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63 TInt error = (EExitPanic == server.ExitType()) ? KErrGeneral : status.Int(); |
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64 if (KErrCancel == error) { |
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65 error = KErrNone; |
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66 } |
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67 server.Close(); |
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68 |
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69 return error; |
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70 } |
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71 |
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72 TInt RTsTaskMonitorSession::Connect() |
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73 { |
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74 TInt retry = 4; |
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75 TInt error(KErrNone); |
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76 do { |
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77 error = CreateSession(KRunningAppServerName, TVersion(0, 0, 0)); |
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78 if (KErrNotFound != error && KErrServerTerminated != error) { |
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79 retry = 0; |
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80 } else { |
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81 error = StartServer(); |
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82 if (KErrNone != error && KErrAlreadyExists != error) { |
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83 retry = 0; |
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84 error = CreateSession(KRunningAppServerName, TVersion(0, 0, 0)); |
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85 } |
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86 } |
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87 } while (--retry > 0); |
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88 return error; |
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89 } |
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90 |
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91 void RTsTaskMonitorSession::Subscribe(TRequestStatus& aStatus) |
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92 { |
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93 SendReceive(SubscribeRunningAppChanges, aStatus); |
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94 } |
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95 |
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96 void RTsTaskMonitorSession::CancelSubscribe() |
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97 { |
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98 SendReceive(CancelSubscribeRunningAppChanges); |
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99 } |