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1 // gobble.cpp |
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2 // |
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3 // Copyright (c) 2007 - 2010 Accenture. 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 the "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 // Accenture - Initial contribution |
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11 // |
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12 |
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13 #include "gobble.h" |
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14 |
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15 |
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16 CCommandBase* CCmdGobble::NewLC() |
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17 { |
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18 CCmdGobble* self = new(ELeave) CCmdGobble(); |
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19 CleanupStack::PushL(self); |
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20 self->BaseConstructL(); |
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21 return self; |
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22 } |
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23 |
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24 CCmdGobble::~CCmdGobble() |
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25 { |
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26 } |
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27 |
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28 CCmdGobble::CCmdGobble() |
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29 : iBlockSize(512) |
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30 { |
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31 } |
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32 |
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33 const TDesC& CCmdGobble::Name() const |
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34 { |
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35 _LIT(KName, "gobble"); |
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36 return KName; |
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37 } |
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38 |
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39 void CCmdGobble::DoRunL() |
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40 { |
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41 if (iAmount < iBlockSize) |
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42 { |
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43 LeaveIfErr(KErrArgument, _L("The amount to consume must be less than the block size (%d)"), iBlockSize); |
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44 } |
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45 if (iAmount & 0x80000000) |
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46 { |
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47 LeaveIfErr(KErrArgument, _L("The amount to consume is too large (maximum is %d)"), KMaxTInt); |
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48 } |
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49 if (iBlockSize & 0x80000000) |
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50 { |
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51 LeaveIfErr(KErrArgument, _L("The block size is too large (maximum is %d)"), KMaxTInt); |
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52 } |
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53 RFs& fs = FsL(); |
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54 fs.MkDirAll(iFileName); |
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55 RFile file; |
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56 TInt err = file.Open(fs, iFileName, EFileWrite); |
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57 if (err == KErrNotFound) |
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58 { |
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59 err = file.Create(fs, iFileName, EFileWrite); |
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60 } |
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61 User::LeaveIfError(err); |
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62 CleanupClosePushL(file); |
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63 TInt pos = 0; |
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64 User::LeaveIfError(file.Seek(ESeekEnd, pos)); |
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65 |
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66 HBufC8* buf = HBufC8::NewLC(iBlockSize); |
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67 TPtr8 ptr(buf->Des()); |
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68 ptr.Fill(TChar('x'), iBlockSize); |
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69 |
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70 TInt toWrite = static_cast<TInt>(iAmount); |
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71 do |
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72 { |
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73 TInt writeSize; |
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74 if (toWrite > static_cast<TInt>(iBlockSize)) |
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75 { |
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76 writeSize = static_cast<TInt>(iBlockSize); |
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77 } |
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78 else |
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79 { |
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80 writeSize = toWrite; |
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81 } |
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82 ptr.SetLength(writeSize); |
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83 err = file.Write(ptr); |
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84 if (err == KErrNone) |
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85 { |
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86 if (iVerbose) |
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87 { |
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88 Printf(_L("\rWrote %d"), iAmount - toWrite); |
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89 } |
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90 toWrite -= writeSize; |
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91 } |
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92 } |
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93 while ((err == KErrNone) && (toWrite > 0)); |
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94 if (iVerbose) |
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95 { |
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96 Printf(_L("\rWrote %d"), iAmount - toWrite); |
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97 } |
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98 |
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99 CleanupStack::PopAndDestroy(2, &file); |
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100 } |
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101 |
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102 void CCmdGobble::OptionsL(RCommandOptionList& aOptions) |
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103 { |
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104 _LIT(KCmdOptVerbose, "verbose"); |
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105 aOptions.AppendBoolL(iVerbose, KCmdOptVerbose); |
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106 } |
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107 |
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108 void CCmdGobble::ArgumentsL(RCommandArgumentList& aArguments) |
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109 { |
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110 _LIT(KArgFileName, "file_name"); |
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111 aArguments.AppendFileNameL(iFileName, KArgFileName); |
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112 |
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113 _LIT(KArgAmount, "amount"); |
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114 aArguments.AppendUintL(iAmount, KArgAmount); |
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115 |
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116 _LIT(KArgBlockSize, "block_size"); |
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117 aArguments.AppendUintL(iBlockSize, KArgBlockSize); |
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118 } |
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119 |
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120 |
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121 #ifdef EXE_BUILD |
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122 EXE_BOILER_PLATE(CCmdGobble) |
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123 #endif |
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124 |