HRESULT SystemProperties::i_setLoggingLevel(const com::Utf8Str &aLoggingLevel) { Utf8Str useLoggingLevel(aLoggingLevel); if (useLoggingLevel.isEmpty()) useLoggingLevel = VBOXSVC_LOG_DEFAULT; int rc = RTLogGroupSettings(RTLogRelGetDefaultInstance(), useLoggingLevel.c_str()); // If failed and not the default logging level - try to use the default logging level. if (RT_FAILURE(rc)) { // If failed write message to the release log. LogRel(("Cannot set passed logging level=%s Error=%Rrc \n", useLoggingLevel.c_str(), rc)); // If attempted logging level not the default one then try the default one. if (!useLoggingLevel.equals(VBOXSVC_LOG_DEFAULT)) { rc = RTLogGroupSettings(RTLogRelGetDefaultInstance(), VBOXSVC_LOG_DEFAULT); // If failed report this to the release log. if (RT_FAILURE(rc)) LogRel(("Cannot set default logging level Error=%Rrc \n", rc)); } // On any failure - set default level as the one to be stored. useLoggingLevel = VBOXSVC_LOG_DEFAULT; } // Set to passed value or if default used/attempted (even if error condition) use empty string. m->strLoggingLevel = (useLoggingLevel.equals(VBOXSVC_LOG_DEFAULT) ? "" : useLoggingLevel); return RT_SUCCESS(rc) ? S_OK : E_FAIL; }
/** * Changes the buffering setting of the default release logger. * * This can be used for optimizing longish logging sequences. * * @returns The old state. * @param fBuffered The new state. */ RTDECL(bool) RTLogRelSetBuffering(bool fBuffered) { PRTLOGGER pLogger = RTLogRelGetDefaultInstance(); if (pLogger) return RTLogSetBuffering(pLogger, fBuffered); return false; }
/** log and dbg_log_flags parameter getter. */ static int vboxguestLinuxParamLogFlagsGet(char *pszBuf, struct kernel_param *pParam) { PRTLOGGER pLogger = pParam->name[0] == 'd' ? RTLogDefaultInstance() : RTLogRelGetDefaultInstance(); *pszBuf = '\0'; if (pLogger) RTLogGetFlags(pLogger, pszBuf, _4K); return strlen(pszBuf); }
/** log and dbg_log parameter getter. */ static int vgdrvLinuxParamLogGrpGet(char *pszBuf, struct kernel_param *pParam) { PRTLOGGER pLogger = pParam->name[0] == 'd' ? RTLogDefaultInstance() : RTLogRelGetDefaultInstance(); *pszBuf = '\0'; if (pLogger) RTLogGetGroupSettings(pLogger, pszBuf, _4K); return strlen(pszBuf); }
/** log and dbg_log_flags parameter setter. */ static int vboxguestLinuxParamLogFlagsSet(const char *pszValue, struct kernel_param *pParam) { if (g_fLoggerCreated) { PRTLOGGER pLogger = pParam->name[0] == 'd' ? RTLogDefaultInstance() : RTLogRelGetDefaultInstance(); if (pLogger) RTLogFlags(pLogger, pszValue); } else if (pParam->name[0] != 'd') strlcpy(&g_szLogFlags[0], pszValue, sizeof(g_szLogFlags)); return 0; }
/** * Write to a logger instance, defaulting to the release one. * * This function will check whether the instance, group and flags makes up a * logging kind which is currently enabled before writing anything to the log. * * @param pLogger Pointer to logger instance. If NULL the default release instance is attempted. * @param fFlags The logging flags. * @param iGroup The group. * The value ~0U is reserved for compatibility with RTLogLogger[V] and is * only for internal usage! * @param pszFormat Format string. * @param args Format arguments. */ RTDECL(void) RTLogRelLoggerV(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, const char *pszFormat, va_list args) { /* * A NULL logger means default instance. */ if (!pLogger) { pLogger = RTLogRelGetDefaultInstance(); if (!pLogger) return; } RTLogLoggerExV(pLogger, fFlags, iGroup, pszFormat, args); }
/** * atexit callback. * * This makes sure any loggers are flushed and will later also work the * termination callback chain. */ static void rtR3ExitCallback(void) { ASMAtomicWriteBool(&g_frtAtExitCalled, true); if (g_cUsers > 0) { PRTLOGGER pLogger = RTLogGetDefaultInstance(); if (pLogger) RTLogFlush(pLogger); pLogger = RTLogRelGetDefaultInstance(); if (pLogger) RTLogFlush(pLogger); } }
/** * Checkes for logger prefixes and selects the right logger. * * @returns Target logger. * @param ppsz Pointer to the string pointer. */ static PRTLOGGER dbgfR3LogResolvedLogger(const char **ppsz) { PRTLOGGER pLogger; const char *psz = *ppsz; if (!strncmp(psz, RT_STR_TUPLE("release:"))) { *ppsz += sizeof("release:") - 1; pLogger = RTLogRelGetDefaultInstance(); } else { if (!strncmp(psz, RT_STR_TUPLE("debug:"))) *ppsz += sizeof("debug:") - 1; pLogger = RTLogDefaultInstance(); } return pLogger; }
HRESULT MachineDebugger::getLogRelDestinations(com::Utf8Str &aLogRelDestinations) { return i_logStringProps(RTLogRelGetDefaultInstance(), RTLogGetDestinations, "RTLogGetDestinations", &aLogRelDestinations); }
HRESULT MachineDebugger::getLogRelGroups(com::Utf8Str &aLogRelGroups) { return i_logStringProps(RTLogRelGetDefaultInstance(), RTLogGetGroupSettings, "RTLogGetGroupSettings", &aLogRelGroups); }
/** * Worker for RTAssertMsg2V and RTAssertMsg2AddV * * @param fInitial True if it's RTAssertMsg2V, otherwise false. * @param pszFormat The message format string. * @param va The format arguments. */ static void rtAssertMsg2Worker(bool fInitial, const char *pszFormat, va_list va) { va_list vaCopy; size_t cch; /* * The global first. */ if (fInitial) { va_copy(vaCopy, va); cch = RTStrPrintfV(g_szRTAssertMsg2, sizeof(g_szRTAssertMsg2), pszFormat, vaCopy); ASMAtomicWriteU32(&g_cchRTAssertMsg2, (uint32_t)cch); va_end(vaCopy); } else { cch = ASMAtomicReadU32(&g_cchRTAssertMsg2); if (cch < sizeof(g_szRTAssertMsg2) - 4) { va_copy(vaCopy, va); cch += RTStrPrintfV(&g_szRTAssertMsg2[cch], sizeof(g_szRTAssertMsg2) - cch, pszFormat, vaCopy); ASMAtomicWriteU32(&g_cchRTAssertMsg2, (uint32_t)cch); va_end(vaCopy); } } /* * If not quiet, make some noise. */ if (!RTAssertAreQuiet()) { RTERRVARS SavedErrVars; RTErrVarsSave(&SavedErrVars); #ifdef IN_RING0 # ifdef IN_GUEST_R0 va_copy(vaCopy, va); RTLogBackdoorPrintfV(pszFormat, vaCopy); va_end(vaCopy); # endif /** @todo fully integrate this with the logger... play safe a bit for now. */ rtR0AssertNativeMsg2V(fInitial, pszFormat, va); #else /* !IN_RING0 */ # if !defined(IN_RING3) && !defined(LOG_NO_COM) # if 0 /* Enable this iff you have a COM port and really want this debug info. */ va_copy(vaCopy, va); RTLogComPrintfV(pszFormat, vaCopy); va_end(vaCopy); # endif # endif PRTLOGGER pLog = RTLogRelGetDefaultInstance(); if (pLog) { va_copy(vaCopy, va); RTLogRelPrintfV(pszFormat, vaCopy); va_end(vaCopy); # ifndef IN_RC /* flushing is done automatically in RC */ RTLogFlush(pLog); # endif } pLog = RTLogDefaultInstance(); if (pLog) { va_copy(vaCopy, va); RTLogPrintfV(pszFormat, vaCopy); va_end(vaCopy); # ifndef IN_RC /* flushing is done automatically in RC */ RTLogFlush(pLog); #endif } # ifdef IN_RING3 /* print to stderr, helps user and gdb debugging. */ char szMsg[sizeof(g_szRTAssertMsg2)]; va_copy(vaCopy, va); RTStrPrintfV(szMsg, sizeof(szMsg), pszFormat, vaCopy); va_end(vaCopy); fprintf(stderr, "%s", szMsg); fflush(stderr); # endif #endif /* !IN_RING0 */ RTErrVarsRestore(&SavedErrVars); } }
RTDECL(void) RTAssertMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction) { /* * Fill in the globals. */ ASMAtomicUoWritePtr(&g_pszRTAssertExpr, pszExpr); ASMAtomicUoWritePtr(&g_pszRTAssertFile, pszFile); ASMAtomicUoWritePtr(&g_pszRTAssertFunction, pszFunction); ASMAtomicUoWriteU32(&g_u32RTAssertLine, uLine); RTStrPrintf(g_szRTAssertMsg1, sizeof(g_szRTAssertMsg1), "\n!!Assertion Failed!!\n" "Expression: %s\n" "Location : %s(%d) %s\n", pszExpr, pszFile, uLine, pszFunction); /* * If not quiet, make noise. */ if (!RTAssertAreQuiet()) { RTERRVARS SavedErrVars; RTErrVarsSave(&SavedErrVars); #ifdef IN_RING0 # ifdef IN_GUEST_R0 RTLogBackdoorPrintf("\n!!Assertion Failed!!\n" "Expression: %s\n" "Location : %s(%d) %s\n", pszExpr, pszFile, uLine, pszFunction); # endif /** @todo fully integrate this with the logger... play safe a bit for now. */ rtR0AssertNativeMsg1(pszExpr, uLine, pszFile, pszFunction); #else /* !IN_RING0 */ # if !defined(IN_RING3) && !defined(LOG_NO_COM) # if 0 /* Enable this iff you have a COM port and really want this debug info. */ RTLogComPrintf("\n!!Assertion Failed!!\n" "Expression: %s\n" "Location : %s(%d) %s\n", pszExpr, pszFile, uLine, pszFunction); # endif # endif PRTLOGGER pLog = RTLogRelGetDefaultInstance(); if (pLog) { RTLogRelPrintf("\n!!Assertion Failed!!\n" "Expression: %s\n" "Location : %s(%d) %s\n", pszExpr, pszFile, uLine, pszFunction); # ifndef IN_RC /* flushing is done automatically in RC */ RTLogFlush(pLog); # endif } # ifndef LOG_ENABLED if (!pLog) # endif { pLog = RTLogDefaultInstance(); if (pLog) { RTLogPrintf("\n!!Assertion Failed!!\n" "Expression: %s\n" "Location : %s(%d) %s\n", pszExpr, pszFile, uLine, pszFunction); # ifndef IN_RC /* flushing is done automatically in RC */ RTLogFlush(pLog); # endif } } # ifdef IN_RING3 /* print to stderr, helps user and gdb debugging. */ fprintf(stderr, "\n!!Assertion Failed!!\n" "Expression: %s\n" "Location : %s(%d) %s\n", VALID_PTR(pszExpr) ? pszExpr : "<none>", VALID_PTR(pszFile) ? pszFile : "<none>", uLine, VALID_PTR(pszFunction) ? pszFunction : ""); fflush(stderr); # endif #endif /* !IN_RING0 */ RTErrVarsRestore(&SavedErrVars); } }
/** * The main loop for the VBoxClient daemon. * @todo Clean up for readability. */ int main(int argc, char *argv[]) { bool fDaemonise = true, fRespawn = true; int rc; const char *pcszFileName; /* Initialise our runtime before all else. */ rc = RTR3InitExe(argc, &argv, 0); if (RT_FAILURE(rc)) return RTMsgInitFailure(rc); /* This should never be called twice in one process - in fact one Display * object should probably never be used from multiple threads anyway. */ if (!XInitThreads()) VBClFatalError(("Failed to initialize X11 threads\n")); /* Get our file name for error output. */ pcszFileName = RTPathFilename(argv[0]); if (!pcszFileName) pcszFileName = "VBoxClient"; /* Parse our option(s) */ /** @todo Use RTGetOpt() if the arguments become more complex. */ for (int i = 1; i < argc; ++i) { rc = VERR_INVALID_PARAMETER; if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--nodaemon")) { /* If the user is running in "no daemon" mode anyway, send critical * logging to stdout as well. */ PRTLOGGER pReleaseLog = RTLogRelGetDefaultInstance(); if (pReleaseLog) rc = RTLogDestinations(pReleaseLog, "stdout"); if (pReleaseLog && RT_FAILURE(rc)) RTPrintf("%s: failed to redivert error output, rc=%Rrc\n", pcszFileName, rc); fDaemonise = false; } else if (!strcmp(argv[i], "--no-respawn")) { fRespawn = false; } else if (!strcmp(argv[i], "--clipboard")) { if (g_pService) break; g_pService = VBClGetClipboardService(); } else if (!strcmp(argv[i], "--display")) { if (g_pService) break; g_pService = VBClGetDisplayService(); } else if (!strcmp(argv[i], "--seamless")) { if (g_pService) break; g_pService = VBClGetSeamlessService(); } else if (!strcmp(argv[i], "--checkhostversion")) { if (g_pService) break; g_pService = VBClGetHostVersionService(); } #ifdef VBOX_WITH_DRAG_AND_DROP else if (!strcmp(argv[i], "--draganddrop")) { if (g_pService) break; g_pService = VBClGetDragAndDropService(); } #endif /* VBOX_WITH_DRAG_AND_DROP */ else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) { vboxClientUsage(pcszFileName); return 0; } else if (!strcmp(argv[i], "-V") || !strcmp(argv[i], "--version")) { RTPrintf("%sr%s\n", RTBldCfgVersion(), RTBldCfgRevisionStr()); return 0; } else { RTPrintf("%s: unrecognized option `%s'\n", pcszFileName, argv[i]); RTPrintf("Try `%s --help' for more information\n", pcszFileName); return 1; } rc = VINF_SUCCESS; } if (RT_FAILURE(rc) || !g_pService) { vboxClientUsage(pcszFileName); return 1; } rc = RTCritSectInit(&g_critSect); if (RT_FAILURE(rc)) VBClFatalError(("Initialising critical section: %Rrc\n", rc)); rc = RTPathUserHome(g_szPidFile, sizeof(g_szPidFile)); if (RT_FAILURE(rc)) VBClFatalError(("Getting home directory for pid-file: %Rrc\n", rc)); rc = RTPathAppend(g_szPidFile, sizeof(g_szPidFile), (*g_pService)->getPidFilePath()); if (RT_FAILURE(rc)) VBClFatalError(("Creating pid-file path: %Rrc\n", rc)); if (fDaemonise) rc = VbglR3Daemonize(false /* fNoChDir */, false /* fNoClose */, fRespawn, &cRespawn); if (RT_FAILURE(rc)) VBClFatalError(("Daemonizing: %Rrc\n", rc)); if (g_szPidFile[0]) rc = VbglR3PidFile(g_szPidFile, &g_hPidFile); if (rc == VERR_FILE_LOCK_VIOLATION) /* Already running. */ return 0; if (RT_FAILURE(rc)) VBClFatalError(("Creating pid-file: %Rrc\n", rc)); /* Set signal handlers to clean up on exit. */ vboxClientSetSignalHandlers(); #ifndef VBOXCLIENT_WITHOUT_X11 /* Set an X11 error handler, so that we don't die when we get unavoidable * errors. */ XSetErrorHandler(vboxClientXLibErrorHandler); /* Set an X11 I/O error handler, so that we can shutdown properly on * fatal errors. */ XSetIOErrorHandler(vboxClientXLibIOErrorHandler); #endif rc = (*g_pService)->init(g_pService); if (RT_FAILURE(rc)) VBClFatalError(("Initialising service: %Rrc\n", rc)); rc = (*g_pService)->run(g_pService, fDaemonise); if (RT_FAILURE(rc)) VBClFatalError(("Service main loop failed: %Rrc\n", rc)); VBClCleanUp(); return 0; }