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comparison: xpcom/base/nsStatusReporterManager.cpp
xpcom/base/nsStatusReporterManager.cpp
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| -1:000000000000 | 0:fbb98f5829ae |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "nsStatusReporterManager.h" | |
| 8 #include "nsCOMPtr.h" | |
| 9 #include "nsDirectoryServiceDefs.h" | |
| 10 #include "nsArrayEnumerator.h" | |
| 11 #include "nsISimpleEnumerator.h" | |
| 12 #include "nsIFile.h" | |
| 13 #include "nsDumpUtils.h" | |
| 14 #include "nsIFileStreams.h" | |
| 15 #include "nsPrintfCString.h" | |
| 16 | |
| 17 #ifdef XP_WIN | |
| 18 #include <process.h> | |
| 19 #define getpid _getpid | |
| 20 #else | |
| 21 #include <unistd.h> | |
| 22 #endif | |
| 23 | |
| 24 #ifdef XP_UNIX | |
| 25 #define DO_STATUS_REPORT 1 | |
| 26 #endif | |
| 27 | |
| 28 #ifdef DO_STATUS_REPORT // { | |
| 29 namespace { | |
| 30 | |
| 31 class DumpStatusInfoToTempDirRunnable : public nsRunnable | |
| 32 { | |
| 33 public: | |
| 34 DumpStatusInfoToTempDirRunnable() | |
| 35 {} | |
| 36 | |
| 37 NS_IMETHOD Run() | |
| 38 { | |
| 39 nsCOMPtr<nsIStatusReporterManager> mgr = | |
| 40 do_GetService("@mozilla.org/status-reporter-manager;1"); | |
| 41 mgr->DumpReports(); | |
| 42 return NS_OK; | |
| 43 } | |
| 44 }; | |
| 45 | |
| 46 void doStatusReport(const nsCString& inputStr) | |
| 47 { | |
| 48 LOG("FifoWatcher(%s) dispatching status report runnable.", inputStr.get()); | |
| 49 nsRefPtr<DumpStatusInfoToTempDirRunnable> runnable = | |
| 50 new DumpStatusInfoToTempDirRunnable(); | |
| 51 NS_DispatchToMainThread(runnable); | |
| 52 } | |
| 53 | |
| 54 } //anonymous namespace | |
| 55 #endif // DO_STATUS_REPORT } | |
| 56 | |
| 57 static bool gStatusReportProgress = 0; | |
| 58 static int gNumReporters = 0; | |
| 59 | |
| 60 nsresult getStatus(nsACString& desc) | |
| 61 { | |
| 62 if(!gStatusReportProgress) | |
| 63 desc.AssignLiteral("Init"); | |
| 64 else { | |
| 65 desc.AssignLiteral("Running:\nThere are "); | |
| 66 desc.AppendInt(gNumReporters); | |
| 67 desc.AppendLiteral(" reporters"); | |
| 68 } | |
| 69 return NS_OK; | |
| 70 } | |
| 71 | |
| 72 NS_STATUS_REPORTER_IMPLEMENT(StatusReporter, "StatusReporter State", getStatus) | |
| 73 | |
| 74 #define DUMP(o, s) \ | |
| 75 do { \ | |
| 76 const char* s2 = (s); \ | |
| 77 uint32_t dummy; \ | |
| 78 nsresult rv = (o)->Write((s2), strlen(s2), &dummy); \ | |
| 79 if (NS_WARN_IF(NS_FAILED(rv))) \ | |
| 80 return rv; \ | |
| 81 } while (0) | |
| 82 | |
| 83 static nsresult | |
| 84 DumpReport(nsIFileOutputStream* aOStream, const nsCString& aProcess, | |
| 85 const nsCString& aName, const nsCString& aDescription) | |
| 86 { | |
| 87 int pid; | |
| 88 if (aProcess.IsEmpty()) { | |
| 89 pid = getpid(); | |
| 90 nsPrintfCString pidStr("PID %u", pid); | |
| 91 DUMP(aOStream, "\n {\"Process\": \""); | |
| 92 DUMP(aOStream, pidStr.get()); | |
| 93 } else { | |
| 94 pid = 0; | |
| 95 DUMP(aOStream, "\n {\"Unknown Process\": \""); | |
| 96 } | |
| 97 | |
| 98 DUMP(aOStream, "\", \"Reporter name\": \""); | |
| 99 DUMP(aOStream, aName.get()); | |
| 100 | |
| 101 DUMP(aOStream, "\", \"Status Description\": \""); | |
| 102 DUMP(aOStream, aDescription.get()); | |
| 103 DUMP(aOStream, "\"}"); | |
| 104 | |
| 105 return NS_OK; | |
| 106 } | |
| 107 | |
| 108 /** | |
| 109 ** nsStatusReporterManager implementation | |
| 110 **/ | |
| 111 | |
| 112 NS_IMPL_ISUPPORTS(nsStatusReporterManager, nsIStatusReporterManager) | |
| 113 | |
| 114 nsStatusReporterManager::nsStatusReporterManager() | |
| 115 { | |
| 116 } | |
| 117 | |
| 118 nsStatusReporterManager::~nsStatusReporterManager() | |
| 119 { | |
| 120 } | |
| 121 | |
| 122 NS_IMETHODIMP | |
| 123 nsStatusReporterManager::Init() | |
| 124 { | |
| 125 RegisterReporter(new NS_STATUS_REPORTER_NAME(StatusReporter)); | |
| 126 gStatusReportProgress = 1; | |
| 127 | |
| 128 #ifdef DO_STATUS_REPORT | |
| 129 if (FifoWatcher::MaybeCreate()) { | |
| 130 FifoWatcher* fw = FifoWatcher::GetSingleton(); | |
| 131 fw->RegisterCallback(NS_LITERAL_CSTRING("status report"),doStatusReport); | |
| 132 } | |
| 133 #endif | |
| 134 | |
| 135 return NS_OK; | |
| 136 } | |
| 137 | |
| 138 NS_IMETHODIMP | |
| 139 nsStatusReporterManager::DumpReports() | |
| 140 { | |
| 141 static unsigned number = 1; | |
| 142 nsresult rv; | |
| 143 | |
| 144 nsCString filename("status-reports-"); | |
| 145 filename.AppendInt(getpid()); | |
| 146 filename.AppendLiteral("-"); | |
| 147 filename.AppendInt(number++); | |
| 148 filename.AppendLiteral(".json"); | |
| 149 | |
| 150 // Open a file in NS_OS_TEMP_DIR for writing. | |
| 151 // The file is initialized as "incomplete-status-reports-pid-number.json" in the | |
| 152 // begining, it will be rename as "status-reports-pid-number.json" in the end. | |
| 153 nsCOMPtr<nsIFile> tmpFile; | |
| 154 rv = nsDumpUtils::OpenTempFile(NS_LITERAL_CSTRING("incomplete-") + | |
| 155 filename, | |
| 156 getter_AddRefs(tmpFile), | |
| 157 NS_LITERAL_CSTRING("status-reports")); | |
| 158 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 159 return rv; | |
| 160 | |
| 161 nsCOMPtr<nsIFileOutputStream> ostream = | |
| 162 do_CreateInstance("@mozilla.org/network/file-output-stream;1"); | |
| 163 rv = ostream->Init(tmpFile, -1, -1, 0); | |
| 164 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 165 return rv; | |
| 166 | |
| 167 //Write the reports to the file | |
| 168 | |
| 169 DUMP(ostream, " [Sysdump Report Start]: "); | |
| 170 | |
| 171 nsCOMPtr<nsISimpleEnumerator> e; | |
| 172 bool more; | |
| 173 EnumerateReporters(getter_AddRefs(e)); | |
| 174 while (NS_SUCCEEDED(e->HasMoreElements(&more)) && more) { | |
| 175 nsCOMPtr<nsISupports> supports; | |
| 176 e->GetNext(getter_AddRefs(supports)); | |
| 177 nsCOMPtr<nsIStatusReporter> r = do_QueryInterface(supports); | |
| 178 | |
| 179 nsCString process; | |
| 180 rv = r->GetProcess(process); | |
| 181 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 182 return rv; | |
| 183 | |
| 184 nsCString name; | |
| 185 rv = r->GetName(name); | |
| 186 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 187 return rv; | |
| 188 | |
| 189 nsCString description; | |
| 190 rv = r->GetDescription(description); | |
| 191 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 192 return rv; | |
| 193 | |
| 194 rv = DumpReport(ostream, process, name, description); | |
| 195 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 196 return rv; | |
| 197 } | |
| 198 | |
| 199 DUMP(ostream, "\n [Sysdump Report End] "); | |
| 200 | |
| 201 rv = ostream->Close(); | |
| 202 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 203 return rv; | |
| 204 | |
| 205 // Rename the status reports file | |
| 206 nsCOMPtr<nsIFile> srFinalFile; | |
| 207 rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(srFinalFile)); | |
| 208 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 209 return rv; | |
| 210 | |
| 211 #ifdef ANDROID | |
| 212 rv = srFinalFile->AppendNative(NS_LITERAL_CSTRING("status-reports")); | |
| 213 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 214 return rv; | |
| 215 #endif | |
| 216 | |
| 217 rv = srFinalFile->AppendNative(filename); | |
| 218 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 219 return rv; | |
| 220 | |
| 221 rv = srFinalFile->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 0600); | |
| 222 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 223 return rv; | |
| 224 | |
| 225 nsAutoString srActualFinalFilename; | |
| 226 rv = srFinalFile->GetLeafName(srActualFinalFilename); | |
| 227 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 228 return rv; | |
| 229 | |
| 230 rv = tmpFile->MoveTo(/* directory */ nullptr, srActualFinalFilename); | |
| 231 | |
| 232 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 233 return rv; | |
| 234 | |
| 235 return NS_OK; | |
| 236 } | |
| 237 | |
| 238 NS_IMETHODIMP | |
| 239 nsStatusReporterManager::EnumerateReporters(nsISimpleEnumerator** result) | |
| 240 { | |
| 241 return NS_NewArrayEnumerator(result, mReporters); | |
| 242 } | |
| 243 | |
| 244 NS_IMETHODIMP | |
| 245 nsStatusReporterManager::RegisterReporter(nsIStatusReporter* reporter) | |
| 246 { | |
| 247 if (mReporters.IndexOf(reporter) != -1) | |
| 248 return NS_ERROR_FAILURE; | |
| 249 | |
| 250 mReporters.AppendObject(reporter); | |
| 251 gNumReporters++; | |
| 252 return NS_OK; | |
| 253 } | |
| 254 | |
| 255 NS_IMETHODIMP | |
| 256 nsStatusReporterManager::UnregisterReporter(nsIStatusReporter* reporter) | |
| 257 { | |
| 258 if (!mReporters.RemoveObject(reporter)) | |
| 259 return NS_ERROR_FAILURE; | |
| 260 gNumReporters--; | |
| 261 return NS_OK; | |
| 262 } | |
| 263 | |
| 264 nsresult | |
| 265 NS_RegisterStatusReporter (nsIStatusReporter* reporter) | |
| 266 { | |
| 267 nsCOMPtr<nsIStatusReporterManager> mgr = | |
| 268 do_GetService("@mozilla.org/status-reporter-manager;1"); | |
| 269 if (mgr == nullptr) | |
| 270 return NS_ERROR_FAILURE; | |
| 271 return mgr->RegisterReporter(reporter); | |
| 272 } | |
| 273 | |
| 274 nsresult | |
| 275 NS_UnregisterStatusReporter (nsIStatusReporter* reporter) | |
| 276 { | |
| 277 nsCOMPtr<nsIStatusReporterManager> mgr = | |
| 278 do_GetService("@mozilla.org/status-reporter-manager;1"); | |
| 279 if (mgr == nullptr) | |
| 280 return NS_ERROR_FAILURE; | |
| 281 return mgr->UnregisterReporter(reporter); | |
| 282 } | |
| 283 | |
| 284 nsresult | |
| 285 NS_DumpStatusReporter () | |
| 286 { | |
| 287 nsCOMPtr<nsIStatusReporterManager> mgr = | |
| 288 do_GetService("@mozilla.org/status-reporter-manager;1"); | |
| 289 if (mgr == nullptr) | |
| 290 return NS_ERROR_FAILURE; | |
| 291 return mgr->DumpReports(); | |
| 292 } |
