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1 // Copyright (c) 1997-2009 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 // Locker.cpp - all the active connector code |
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15 // |
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16 // |
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17 |
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18 #include <cs_port.h> |
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19 #include "btcomm.h" |
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20 #include "btcommactive.h" |
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21 |
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22 CBTPortLocker *CBTPortLocker::NewL(CBTPortProxy *aParent) |
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23 /** |
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24 Create new CBTPortLocker. |
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25 This function creates a new CBTPortLocker active object. |
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26 **/ |
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27 { |
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28 CBTPortLocker *cc; |
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29 cc=new (ELeave) CBTPortLocker(); |
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30 CleanupStack::PushL(cc); |
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31 cc->InitL(aParent); |
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32 CleanupStack::Pop(); |
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33 CActiveScheduler::Add(cc); |
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34 return cc; |
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35 } |
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36 |
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37 void CBTPortLocker::InitL(CBTPortProxy *aParent) |
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38 { |
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39 iPortProxy=aParent; |
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40 } |
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41 |
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42 CBTPortLocker::~CBTPortLocker() |
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43 /** |
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44 CBTPortLocker destructor. |
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45 **/ |
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46 { |
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47 Cancel(); |
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48 } |
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49 |
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50 void CBTPortLocker::RunL() |
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51 /** |
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52 CBTPortLocker RunL. |
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53 Active status cleared. We can now call the DoLockedAction |
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54 function on the corresponding port proxy object. |
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55 **/ |
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56 { |
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57 if(iStatus==KErrNone) |
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58 iPortProxy->DoLockedAction(); |
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59 } |
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60 |
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61 void CBTPortLocker::LockSession() |
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62 /** |
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63 CBTPortLocker LockSession. |
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64 This function initiates the process of making the session exclusive |
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65 on the socket server. |
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66 **/ |
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67 { |
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68 if(!IsActive()) |
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69 { |
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70 // We need to complete this request either by actually getting a |
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71 // lock on ESock if we've got a handle, or by just completing the |
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72 // request if we don't. It's fine to do the DoLockedAction() |
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73 // without a locker if we don't have an ESock handle, as we can't |
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74 // be making any requests to ESock. |
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75 if(iPortProxy->iSockServ.Handle()) |
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76 { |
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77 iPortProxy->iSockServ.SetExclusiveMode(iStatus); |
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78 SetActive(); |
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79 } |
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80 else |
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81 { |
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82 SetActive(); |
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83 TRequestStatus* status = &iStatus; |
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84 User::RequestComplete(status, KErrNone); |
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85 } |
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86 } |
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87 iLockOn=ETrue; |
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88 } |
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89 |
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90 void CBTPortLocker::UnlockSession() |
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91 /** |
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92 CBTPortLocker UnlockSession. |
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93 **/ |
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94 { |
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95 if(iPortProxy->iSockServ.Handle()) |
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96 iPortProxy->iSockServ.ClearExclusiveMode(); |
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97 iLockOn=EFalse; |
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98 } |
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99 |
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100 void CBTPortLocker::DoCancel() |
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101 /** |
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102 CBTPortLocker DoCancel. |
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103 Nothing to cancel. |
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104 **/ |
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105 { |
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106 } |
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107 |
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108 CBTPortLocker::CBTPortLocker() |
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109 : CActive (1020) |
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110 /** |
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111 CBTPortLocker private c'tor. |
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112 Note that this active object is set with a priority |
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113 of 1020 which is higher than any other active object |
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114 running on the c32 active scheduler (note IrCOMM locker |
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115 has a priority of 1000). This means that this active |
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116 object will always be first in the scheduler's |
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117 list of completed actions when it is completes. |
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118 **/ |
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119 { |
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120 } |
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121 |
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122 TBool CBTPortLocker::IsSessionLocked() |
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123 { |
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124 return iLockOn; |
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125 } |