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1 // Copyright (c) 2007-2009 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 // |
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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 @file |
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20 @internalTechnology |
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21 @released |
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22 */ |
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23 |
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24 #include "corecrashhandler.h" |
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25 #include "coredumpsession.h" |
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26 |
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27 CCrashHandler::CCrashHandler(CCoreDumpSession &aCoreSess) |
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28 : CActive(CActive::EPriorityStandard), |
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29 iThreadsRun(0), |
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30 iCoreSess(aCoreSess) |
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31 { |
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32 CActiveScheduler::Add(this); |
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33 } |
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34 |
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35 CCrashHandler* CCrashHandler::NewL(CCoreDumpSession &aCoreSess) |
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36 { |
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37 //LOG_MSG("->CCrashHandler::NewL()"); |
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38 CCrashHandler* self = CCrashHandler::NewLC(aCoreSess);; |
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39 CleanupStack::Pop(self); |
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40 return self; |
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41 } |
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42 |
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43 CCrashHandler* CCrashHandler::NewLC(CCoreDumpSession &aCoreSess) |
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44 { |
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45 //LOG_MSG("->CCrashHandler::NewLC()"); |
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46 CCrashHandler *self = new (ELeave) CCrashHandler(aCoreSess);; |
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47 CleanupStack::PushL(self); |
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48 self->ConstructL(); |
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49 return self; |
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50 } |
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51 |
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52 void CCrashHandler::ConstructL() |
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53 { |
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54 //LOG_MSG("->CCrashHandler::ConstructL()"); |
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55 iCrashCount = 0; |
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56 iRemainingEvents.ReserveL(EEventsQueueDefaultLength); |
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57 } |
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58 |
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59 CCrashHandler::~CCrashHandler() |
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60 { |
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61 //LOG_MSG("->CCrashHandler::~CCrashHandler()"); |
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62 Cancel(); |
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63 iRemainingEvents.Reset(); |
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64 iRemainingFlashCrashEvents.Reset(); |
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65 iTids.Reset(); |
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66 LOG_MSG("<-CCrashHandler::~CCrashHandler()"); |
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67 } |
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68 |
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69 void CCrashHandler::DoCancel() |
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70 { |
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71 LOG_MSG("CCrashHandler::DoCancel()"); |
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72 iThread.LogonCancel(iStatus); |
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73 iThread.Close(); |
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74 } |
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75 |
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76 void CCrashHandler::ResetProperties(const TDesC &aProgress) |
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77 { |
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78 LOG_MSG("->CCrashHandler::DefaultProperties\n"); |
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79 //restore properties to default values |
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80 TInt err = RProperty::Set(KCoreDumpServUid, ECrashProgress, aProgress); |
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81 if(err != KErrNone) |
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82 { |
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83 LOG_MSG2("CCrashHandler::DefaultProperties - unable to reset 'crash progress'! err:%d\n", err); |
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84 } |
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85 err = RProperty::Set(KCoreDumpServUid, ECancelCrash, EFalse); |
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86 if(err != KErrNone) |
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87 { |
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88 LOG_MSG2("CCrashHandler::DefaultProperties - unable to reset 'cancel crash'! err:%d\n", err); |
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89 } |
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90 |
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91 err = RProperty::Set(KCoreDumpServUid, ECrashCount, iCrashCount); |
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92 if(err != KErrNone) |
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93 { |
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94 LOG_MSG2("CCrashHandler::DefaultProperties - unable to reset 'crash count'! err:%d\n", err); |
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95 } |
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96 } |
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97 |
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98 void CCrashHandler::PostProcessL() |
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99 { |
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100 TInt32 action = iCoreSess.PostProcessingAction(); |
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101 LOG_MSG2("->CCrashHandler::PostProcessL - action:%d", action); |
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102 switch(action) |
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103 { |
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104 case ENoPostAction: |
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105 { |
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106 //no action |
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107 break; |
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108 } |
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109 case EResumeThread: |
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110 { |
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111 if(iParams.iCrashInfo.iCrashSource == TCrashInfo::ELiveCrash) |
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112 { |
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113 LOG_MSG2("CCrashHandler::PostProcessL() - resuming crashed thread:%Ld\n", iParams.iCrashInfo.iTid); |
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114 iCoreSess.ResumeThreadL(iParams.iCrashInfo.iTid); |
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115 } |
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116 break; |
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117 } |
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118 |
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119 case EResumeProcess: |
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120 { |
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121 if(iParams.iCrashInfo.iCrashSource == TCrashInfo::ELiveCrash) |
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122 { |
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123 LOG_MSG2("CCrashHandler::PostProcessL() - resuming crashed process:%Ld\n", iParams.iCrashInfo.iPid); |
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124 iCoreSess.ResumeProcessL(iParams.iCrashInfo.iPid); |
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125 } |
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126 break; |
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127 } |
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128 |
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129 case EKillProcess: |
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130 { |
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131 if(iParams.iCrashInfo.iCrashSource == TCrashInfo::ELiveCrash) |
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132 { |
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133 LOG_MSG2("CCrashHandler::PostProcessL() - killing crashed process:%Ld\n", iParams.iCrashInfo.iPid); |
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134 iCoreSess.KillProcessL(iParams.iCrashInfo.iPid); |
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135 } |
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136 |
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137 break; |
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138 } |
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139 case EDeleteCrashLog: |
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140 { |
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141 if(iParams.iCrashInfo.iCrashSource == TCrashInfo::ESystemCrash) |
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142 { |
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143 LOG_MSG2("CCrashHandler::PostProcessL() - deleting crashed process:%Ld\n", iParams.iCrashInfo.iPid); |
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144 } |
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145 |
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146 break; |
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147 } |
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148 default: |
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149 { |
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150 LOG_MSG("CCrashHandler::PostProcessL() - unknown action!\n"); |
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151 User::Leave(KErrArgument); |
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152 } |
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153 } |
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154 } |
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155 /** |
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156 RunL() completes a previously issued ProcessCrashL call and |
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157 carry out user specified post processing actions. We trap the calls to |
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158 resume the thread, resume the process and kill the process since the thread |
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159 or process may no longer be alive, and we would leave without finishing the |
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160 core dump. |
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161 */ |
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162 void CCrashHandler::RunL() |
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163 { |
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164 LOG_MSG2("->CCrashHandler::RunL(status:%d)", iStatus.Int()); |
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165 |
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166 if(CrashInProgress()) |
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167 { |
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168 LOG_MSG2("CCrashHandler::RunL - thread no:%d finished processing\n", iThreadsRun); |
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169 iThread.Close(); |
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170 ResetProperties(_L("clear")); |
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171 |
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172 if(!(iMessage.IsNull()) && (iParams.iCrashInfo.iCrashSource == TCrashInfo::ESystemCrash) ) |
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173 { |
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174 LOG_MSG("CCrashHandler::RunL - Completing the Async request After the Thread is Killed\n"); |
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175 //we have done with the processing and complete the async request |
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176 iMessage.Complete(iStatus.Int()); |
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177 } |
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178 |
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179 StartThreadL(); |
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180 return; |
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181 } |
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182 |
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183 //multiple crash event case |
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184 if(iParams.iCrashInfo.iType == TCrashInfo::ECrashException && iParams.iCrashInfo.iCrashSource == TCrashInfo::ELiveCrash) |
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185 { |
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186 //LOG_MSG2("CCrashHandler::RunL - marking thread:%Lu\n", iParams.iCrashInfo.iTid); |
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187 iTids.AppendL(iParams.iCrashInfo.iTid); |
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188 } |
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189 |
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190 |
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191 PostProcessL(); |
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192 ResetProperties(_L("idle")); |
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193 |
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194 iCrashCount++; |
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195 |
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196 if(!CrashInProgress() && (iParams.iCrashInfo.iCrashSource == TCrashInfo::ESystemCrash)) |
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197 { |
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198 if(!iMessage.IsNull()) |
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199 { |
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200 //When there are no plugins |
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201 LOG_MSG("CCrashHandler::RunL - Completing the request when there are no plugins\n"); |
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202 iMessage.Complete(iStatus.Int()); |
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203 } |
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204 } |
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205 |
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206 if(iRemainingEvents.Count() > 0) |
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207 { |
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208 ProcessCrashL(TCrashInfo::ELiveCrash); |
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209 } |
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210 |
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211 if(iRemainingFlashCrashEvents.Count() > 0) |
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212 { |
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213 ProcessCrashL(TCrashInfo::ESystemCrash); |
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214 } |
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215 |
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216 } |
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217 |
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218 // Report any leave to the client if possible. |
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219 TInt CCrashHandler::RunError(TInt aError) |
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220 { |
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221 LOG_MSG2("CCrashHandler::RunError(TInt aError=%d)", aError); |
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222 TBuf<63> errorMsg; |
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223 errorMsg.Format(_L("Processing core dump finished abnormally! err:%d"), aError); |
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224 User::InfoPrint(errorMsg); |
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225 |
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226 if(!(iMessage.IsNull()) && (iParams.iCrashInfo.iCrashSource == TCrashInfo::ESystemCrash) ) |
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227 { |
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228 LOG_MSG("CCrashHandler::RunError - Completing the Async request \n"); |
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229 iMessage.Complete(aError); |
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230 } |
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231 return KErrNone; |
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232 } |
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233 |
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234 |
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235 void CCrashHandler::HandleCrashFromFlashL(const TCrashInfo& aCrashInf) |
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236 { |
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237 LOG_MSG("-> CCrashHandler::HandleCrashFromFlashL()"); |
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238 |
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239 iRemainingFlashCrashEvents.AppendL(aCrashInf); |
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240 |
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241 if(!CrashInProgress()) |
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242 { |
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243 LOG_MSG("CCrashHandler::HandleCrashFromFlashL() -> ProcessCrashL\n"); |
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244 ProcessCrashL(aCrashInf.iCrashSource); |
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245 } |
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246 |
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247 } |
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248 |
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249 void CCrashHandler::HandleCrashFromFlashL(const TCrashInfo& aCrashInf, const RMessage2& aMessage) |
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250 { |
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251 LOG_MSG("-> CCrashHandler::HandleCrashFromFlashL() using the async mechanism"); |
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252 |
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253 if(aMessage.IsNull()) |
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254 User::Leave(KErrArgument); |
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255 |
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256 iMessage = aMessage; |
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257 |
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258 iRemainingFlashCrashEvents.AppendL(aCrashInf); |
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259 |
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260 if(!CrashInProgress()) |
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261 { |
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262 LOG_MSG("CCrashHandler::HandleCrashFromFlashL() -> ProcessCrashL\n"); |
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263 ProcessCrashL(aCrashInf.iCrashSource); |
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264 } |
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265 else |
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266 { |
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267 LOG_MSG("CCrashHandler::HandleCrashFromFlashL() -> Crash already in progress\n"); |
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268 } |
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269 |
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270 } |
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271 |
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272 void CCrashHandler::CancelHandleCrashFromFlash(const TCrashInfo& aCrashInf) |
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273 { |
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274 LOG_MSG("-> CCrashHandler::CancelHandleCrashFromFlashL() using the async mechanism"); |
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275 |
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276 //if this request is pending remove the request from the queue |
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277 for(TInt i =0; i<iRemainingFlashCrashEvents.Count(); i++) |
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278 { |
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279 if( (iRemainingFlashCrashEvents[i].iCrashId) == (aCrashInf.iCrashId)) |
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280 { |
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281 LOG_MSG("CCrashHandler::CancelHandleCrashFromFlashL() -> Removed Pending Event from the queue\n"); |
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282 iRemainingFlashCrashEvents.Remove(i); |
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283 } |
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284 } |
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285 |
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286 } |
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287 |
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288 |
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289 void CCrashHandler::HandleCrashEventL(const TCrashEventInfo &aCrashEventInfo) |
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290 { |
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291 LOG_MSG3("CCrashHandler::HandleCrashEventL - type:%d, thread:%Lu\n", aCrashEventInfo.iEventType, aCrashEventInfo.iThreadId); |
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292 //multiple crash events case |
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293 if(aCrashEventInfo.iEventType == EEventsKillThread) |
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294 { |
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295 TInt index = iTids.Find(aCrashEventInfo.iThreadId); |
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296 if(index != KErrNotFound) |
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297 { |
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298 LOG_MSG2("CCrashHandler::HandleCrashEventL - multiple kill event, not handling thread:%Lu\n", aCrashEventInfo.iThreadId); |
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299 iTids.Remove(index); |
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300 iCoreSess.ResumeThreadL(aCrashEventInfo.iThreadId); |
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301 return; |
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302 } |
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303 } |
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304 |
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305 |
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306 LOG_MSG2("CCrashHandler::HandleCrashEvent() - preprocessing action:%d\n", iCoreSess.PreProcessingAction()); |
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307 if(iCoreSess.PreProcessingAction() == ESuspendProcess) |
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308 { |
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309 LOG_MSG2("CCrashHandler::HandleCrashEventL - suspending crashed process:%Lu\n", aCrashEventInfo.iProcessId); |
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310 iCoreSess.SuspendProcessL(aCrashEventInfo.iProcessId); |
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311 } |
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312 |
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313 iRemainingEvents.AppendL(aCrashEventInfo); //fifo order, coping the data |
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314 |
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315 if(!CrashInProgress()) |
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316 { |
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317 LOG_MSG("CCrashHandler::HandleCrashEvent() -> ProcessCrashL\n"); |
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318 ProcessCrashL(TCrashInfo::ELiveCrash); |
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319 } |
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320 } |
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321 |
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322 void CCrashHandler::ProcessCrashL(const TCrashInfo::TCrashSource& aType) |
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323 { |
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324 switch (aType) |
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325 { |
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326 case TCrashInfo::ELiveCrash : |
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327 { |
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328 ProcessLiveCrashL(); |
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329 break; |
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330 } |
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331 case TCrashInfo::ESystemCrash : |
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332 { |
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333 ProcessSystemCrashL(); |
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334 break; |
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335 } |
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336 default: |
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337 { |
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338 LOG_MSG( " CCrashHandler::ProcessCrashL() ---> ERROR: Unknown crash type" ); |
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339 } |
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340 } |
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341 } |
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342 |
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343 /** |
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344 * Handles a crash stored in the system flash |
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345 * @leave |
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346 */ |
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347 void CCrashHandler::ProcessSystemCrashL() |
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348 { |
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349 LOG_MSG( "->CCrashHandler::ProcessSystemCrashL()\n" ); |
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350 //set the crash paramaters |
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351 iParams.iCrashInfo = iRemainingFlashCrashEvents[0]; |
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352 |
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353 iRemainingFlashCrashEvents.Remove(0); //remove in fifo order |
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354 |
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355 iCoreSess.FlashDataSource()->AnalyseCrashL(iParams.iCrashInfo.iCrashId); |
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356 |
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357 StartThreadL(); |
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358 } |
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359 |
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360 /** |
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361 * Handles a live crash event |
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362 * @leave |
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363 */ |
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364 void CCrashHandler::ProcessLiveCrashL() |
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365 { |
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366 LOG_MSG( "->CCrashHandler::ProcessLiveCrashL()\n" ); |
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367 |
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368 TCrashEventInfo &event = iRemainingEvents[0]; //serve in fifo order |
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369 |
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370 TCrashInfo &crashInfo = iParams.iCrashInfo; |
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371 |
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372 if( !event.iThreadIdValid ) |
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373 { |
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374 LOG_MSG( " ERROR *! - CCrashHandler::ProcessCrashL() - ThreadId marked as invalid\n" ); |
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375 User::Leave( KErrCorrupt ); |
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376 } |
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377 |
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378 if( !event.iProcessIdValid ) |
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379 { |
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380 LOG_MSG( " ERROR *! - CCrashHandler::ProcessCrashL() - ProcessId marked as invalid\n" ); |
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381 User::Leave( KErrCorrupt ); |
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382 } |
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383 |
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384 crashInfo.iTid = event.iThreadId; |
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385 crashInfo.iPid = event.iProcessId; |
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386 crashInfo.iCrashSource = TCrashInfo::ELiveCrash; |
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387 |
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388 if(event.iEventType == EEventsHwExc) |
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389 { |
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390 crashInfo.iType = TCrashInfo::ECrashException; |
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391 crashInfo.iContext = event.iThreadHwExceptionInfo.iRmdArmExcInfo; //only valid for HwExc |
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392 LOG_MSG2( " crashInfo.iContext.iFaultAddress=0x%X", crashInfo.iContext.iFaultAddress ); |
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393 LOG_MSG2( " crashInfo.iContext.iFaultStatus=0x%X", crashInfo.iContext.iFaultStatus ); |
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394 LOG_MSG2( " iThreadHwExceptionInfo.iExceptionNumber=0x%X", event.iThreadHwExceptionInfo.iExceptionNumber ); |
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395 crashInfo.iExcNumber = (TUint32)event.iThreadHwExceptionInfo.iExceptionNumber; // e32const.h :: TExcType |
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396 } |
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397 else if(event.iEventType == EEventsKillThread) |
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398 { |
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399 crashInfo.iType = TCrashInfo::ECrashKill; |
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400 crashInfo.iReason = event.iThreadKillInfo.iExitReason; //only valid for KillThread |
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401 crashInfo.iExcNumber = (TUint32)event.iThreadKillInfo.iExitType; // e32const.h :: TExitType |
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402 TPtrC8 category( event.iThreadKillInfo.iPanicCategory, event.iThreadKillInfo.iPanicCategoryLength); //only valid for KillThread |
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403 crashInfo.iCategory.Copy(category); |
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404 } |
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405 else |
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406 { |
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407 LOG_MSG2( " ERROR *! - CCrashHandler::ProcessCrashL() - TEventType=%d not supported", event.iEventType ); |
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408 User::Leave( KErrNotSupported ); |
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409 } |
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410 |
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411 crashInfo.iTime = event.iEventTime.Int64(); |
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412 |
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413 iRemainingEvents.Remove(0); //remove in fifo order |
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414 |
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415 StartThreadL(); |
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416 } |
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417 |
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418 void CCrashHandler::StartThreadL() |
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419 { |
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420 LOG_MSG2("->CCrashHandler::StartThreadL() iThreadsRun %d\n", iThreadsRun); |
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421 iParams.iFormatter = iCoreSess.GetValidFormatter(iThreadsRun); |
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422 |
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423 if(!iParams.iFormatter) |
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424 { |
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425 LOG_MSG("->CCrashHandler::StartThreadL() no formatters found\n"); |
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426 iThreadsRun = 0; |
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427 RunL(); |
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428 return; |
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429 } |
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430 |
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431 //SELF v1 and DEXC v1 arent supported for system crash |
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432 TBuf<KMaxFileName> pluginDesc; |
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433 iParams.iFormatter->GetDescription(pluginDesc); |
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434 |
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435 if(iParams.iCrashInfo.iCrashSource == TCrashInfo::ESystemCrash && (pluginDesc.Compare(KSelfV1) == 0 || pluginDesc.Compare(KDexcV1) == 0)) |
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436 { |
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437 User::Leave(KErrNotSupported); |
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438 } |
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439 |
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440 if(iParams.iCrashInfo.iCrashSource == TCrashInfo::ELiveCrash) |
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441 { |
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442 iParams.iFormatter->ConfigureDataSourceL(iCoreSess.DataSource()); |
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443 } |
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444 else if(iParams.iCrashInfo.iCrashSource == TCrashInfo::ESystemCrash) |
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445 { |
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446 iParams.iFormatter->ConfigureDataSourceL(iCoreSess.FlashDataSource()); |
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447 } |
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448 else |
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449 { |
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450 //If we dont know the crash type we cant continue - programming error (dont tell user that though!) |
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451 __ASSERT_ALWAYS(ETrue, User::Panic(_L("Unknown crash type"), KErrUnknown)); |
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452 } |
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453 |
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454 |
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455 LOG_MSG("CCrashHandler::StartThreadL - creating the processing thread\n"); |
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456 |
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457 TInt err = iThread.Create(KCrashProcessingThread, CCrashHandler::Processing, KDefaultStackSize, NULL, (TAny*)&iParams); |
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458 if(err != KErrNone) |
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459 { |
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460 LOG_MSG2("CCrashHandler::StartThreadL - unable to create thread! err:%d\n", err); |
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461 User::Leave(err); |
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462 } |
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463 |
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464 ++iThreadsRun; |
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465 |
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466 iThread.Rendezvous(iStatus); |
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467 iThread.Resume(); |
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468 User::WaitForRequest(iStatus); |
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469 |
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470 User::LeaveIfError(iStatus.Int()); //something bad happened |
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471 |
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472 iThread.Logon(iStatus); |
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473 //LOG_MSG("CCrashHandler::ProcessCrash() -> waiting for processing thread to finish\n"); |
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474 SetActive(); //wait for thread termination event |
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475 } |
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476 |
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477 TInt CCrashHandler::Processing(TAny* aParams) |
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478 { |
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479 //LOG_MSG("-> CCrashHandler::CrashProcessing()"); |
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480 RThread::Rendezvous(KErrNone); |
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481 // __UHEAP_MARK; |
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482 TInt err = KErrNoMemory; |
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483 CTrapCleanup* cleanup = CTrapCleanup::New(); |
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484 if(cleanup) |
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485 { |
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486 TCrashThreadParams *params = static_cast<TCrashThreadParams*>(aParams); |
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487 LOG_MSG("CCrashHandler::CrashProcessing() -> formatter.CrashEventL"); |
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488 TRAP(err, params->iFormatter->CrashEventL(¶ms->iCrashInfo)); |
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489 delete cleanup; |
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490 } |
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491 // __UHEAP_MARKEND; |
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492 LOG_MSG2("CCrashHandler::CrashProcessing - processing thread returns: %d\n", err); |
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493 return err; |
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494 } |
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495 |
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496 //eof |
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497 |