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1 // endpoint.cpp |
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2 // |
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3 // Copyright (c) 2006 - 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 "server.h" |
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14 #include "endpoint.h" |
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15 #include "log.h" |
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16 |
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17 #ifdef IOSRV_LOGGING |
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18 #define ENDPOINT_NAME TName endPointName(Name()) |
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19 #define READER_NAME(x) TName readerName((x).IorName()) |
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20 #define WRITER_NAME(x) TName writerName((x).IowName()) |
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21 #else |
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22 #define ENDPOINT_NAME |
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23 #define READER_NAME(x) |
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24 #define WRITER_NAME(x) |
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25 #endif |
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26 |
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27 CIoEndPoint::~CIoEndPoint() |
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28 { |
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29 ENDPOINT_NAME; |
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30 LOG(CIoLog::Printf(_L("End point \"%S\" (0x%08x) destroying"), &endPointName, this)); |
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31 iAttachedReaders.Close(); |
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32 } |
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33 |
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34 TName CIoEndPoint::IoepName() const |
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35 { |
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36 return Name(); |
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37 } |
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38 |
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39 TBool CIoEndPoint::IoepIsType(RIoHandle::TType aType) const |
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40 { |
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41 return IsType(aType); |
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42 } |
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43 |
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44 void CIoEndPoint::IorepAttachL(MIoReader& aReader, RIoEndPoint::TReadMode aMode) |
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45 { |
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46 ENDPOINT_NAME; |
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47 READER_NAME(aReader); |
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48 LOG(CIoLog::Printf(_L("Attaching reader \"%S\" (0x%08x) to end point \"%S\" (0x%08x)"), &readerName, &aReader, &endPointName, this)); |
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49 User::LeaveIfError(Open()); |
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50 CleanupClosePushL(*this); |
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51 if (aMode == RIoEndPoint::EForeground) |
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52 { |
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53 User::LeaveIfError(iAttachedReaders.Insert(&aReader, 0)); |
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54 } |
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55 else |
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56 { |
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57 User::LeaveIfError(iAttachedReaders.Append(&aReader)); |
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58 } |
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59 TInt err = HandleReaderAttached(aReader); |
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60 if (err!=KErrNone) |
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61 { |
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62 TInt index = FindReader(aReader); |
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63 iAttachedReaders.Remove(index); |
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64 User::Leave(err); |
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65 } |
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66 if (aMode == RIoEndPoint::EForeground) |
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67 { |
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68 HandleForegroundReaderChanged(); |
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69 } |
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70 CleanupStack::Pop(this); |
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71 } |
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72 |
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73 void CIoEndPoint::IorepDetach(MIoReader& aReader) |
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74 { |
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75 ENDPOINT_NAME; |
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76 READER_NAME(aReader); |
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77 TInt index = FindReader(aReader); |
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78 if (index >= 0) |
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79 { |
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80 LOG(CIoLog::Printf(_L("Detaching reader \"%S\" (0x%08x) from end point \"%S\" (0x%08x)"), &readerName, &aReader, &endPointName, this)); |
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81 iAttachedReaders.Remove(index); |
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82 HandleReaderDetached(aReader); |
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83 if ((index == 0) && (iAttachedReaders.Count() > 0)) |
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84 { |
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85 HandleForegroundReaderChanged(); |
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86 } |
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87 Close(); |
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88 } |
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89 else |
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90 { |
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91 LOG(CIoLog::Printf(_L("Reader \"%S\" (0x%08x) not attached to end point \"%S\" (0x%08x) - detach request ignored"), &readerName, &aReader, &endPointName, this)); |
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92 } |
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93 } |
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94 |
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95 void CIoEndPoint::IorepSetForegroundReaderL(MIoReader& aReader) |
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96 { |
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97 TInt index = FindReader(aReader); |
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98 User::LeaveIfError(index); |
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99 if (index > 0) |
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100 { |
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101 iAttachedReaders.Remove(index); |
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102 iAttachedReaders.Insert(&aReader, 0); // Shouldn't fail due to the above removal. |
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103 HandleForegroundReaderChanged(); |
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104 } |
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105 } |
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106 |
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107 TBool CIoEndPoint::IorepIsForegroundL(const MIoReader& aReader) const |
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108 { |
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109 TInt index = FindReader(aReader); |
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110 User::LeaveIfError(index); |
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111 return (index == 0); |
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112 } |
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113 |
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114 void CIoEndPoint::IowepAttachL(MIoWriter& aWriter) |
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115 { |
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116 User::LeaveIfError(Open()); |
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117 ++iAttachedWriterCount; |
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118 ENDPOINT_NAME; |
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119 WRITER_NAME(aWriter); |
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120 LOG(CIoLog::Printf(_L("Attached writer \"%S\" (0x%08x) to end point \"%S\" (0x%08x) (%d writers now attached)"), &writerName, &aWriter, &endPointName, this, iAttachedWriterCount)); |
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121 TInt err = HandleWriterAttached(aWriter); |
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122 if (err!=KErrNone) |
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123 { |
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124 --iAttachedWriterCount; |
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125 User::Leave(err); |
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126 } |
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127 } |
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128 |
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129 void CIoEndPoint::IowepDetach(MIoWriter& aWriter) |
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130 { |
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131 --iAttachedWriterCount; |
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132 ENDPOINT_NAME; |
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133 WRITER_NAME(aWriter); |
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134 LOG(CIoLog::Printf(_L("Detached writer \"%S\" (0x%08x) from end point \"%S\" (0x%08x) (%d writers now attached)"), &writerName, &aWriter, &endPointName, this, iAttachedWriterCount)); |
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135 HandleWriterDetached(aWriter); |
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136 Close(); |
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137 } |
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138 |
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139 TInt CIoEndPoint::HandleReaderAttached(MIoReader&) |
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140 { |
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141 return KErrNone; |
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142 } |
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143 |
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144 void CIoEndPoint::HandleReaderDetached(MIoReader&) |
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145 { |
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146 } |
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147 |
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148 void CIoEndPoint::ForegroundReaderChanged() |
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149 { |
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150 } |
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151 |
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152 TInt CIoEndPoint::HandleWriterAttached(MIoWriter&) |
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153 { |
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154 return KErrNone; |
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155 } |
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156 |
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157 void CIoEndPoint::HandleWriterDetached(MIoWriter&) |
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158 { |
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159 } |
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160 |
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161 void CIoEndPoint::HandleForegroundReaderChanged() |
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162 { |
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163 MIoReader* fg = AttachedReader(); |
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164 if (fg) |
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165 { |
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166 fg->IorReaderChange(RIoReadHandle::EGainedForeground); |
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167 } |
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168 ForegroundReaderChanged(); |
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169 } |
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170 |
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171 CIoEndPoint::CIoEndPoint() |
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172 { |
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173 } |
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174 |
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175 TInt CIoEndPoint::NumAttachedReaders() const |
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176 { |
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177 return iAttachedReaders.Count(); |
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178 } |
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179 |
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180 MIoReader* CIoEndPoint::AttachedReader(TInt aIndex) |
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181 { |
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182 if ((aIndex >= 0) && (aIndex < iAttachedReaders.Count())) |
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183 { |
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184 return iAttachedReaders[aIndex]; |
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185 } |
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186 return NULL; |
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187 } |
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188 |
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189 TInt CIoEndPoint::NumAttachedWriters() const |
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190 { |
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191 return iAttachedWriterCount; |
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192 } |
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193 |
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194 TInt CIoEndPoint::FindReader(MIoReader& aReader) const |
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195 { |
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196 const TInt numReaders = iAttachedReaders.Count(); |
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197 for (TInt i = 0; i < numReaders; ++i) |
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198 { |
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199 if (iAttachedReaders[i] == &aReader) |
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200 { |
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201 return i; |
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202 } |
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203 } |
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204 return KErrNotFound; |
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205 } |
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206 |
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207 TInt CIoEndPoint::FindReader(const MIoReader& aReader) const |
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208 { |
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209 return FindReader(const_cast<MIoReader&>(aReader)); |
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210 } |