static void ReadParamFromReg(out string logFileName, out uint maxLogBuffers)
{
// Read log file location from registry if exists
string logFileNameInRegistry = null;
RegistryConfigurationProvider wsatTraceProvider = new RegistryConfigurationProvider(RegistryHive.LocalMachine, WsatKeys.WsatRegKey, null);
using (wsatTraceProvider)
{
logFileNameInRegistry = wsatTraceProvider.ReadString(WsatKeys.TraceFileDiectoryKey, null);
maxLogBuffers = wsatTraceProvider.ReadUInt32(WsatKeys.MaxTraceBuffersKey, DefaultBuffers);
if (maxLogBuffers == 0 || maxLogBuffers > MaxLogBuffers)
{
maxLogBuffers = DefaultBuffers;
wsatTraceProvider.WriteUInt32(WsatKeys.MaxTraceBuffersKey, DefaultBuffers);
}
}
String errLogFileName = String.Empty;
try
{
if (!String.IsNullOrEmpty(logFileNameInRegistry))
{
logFileNameInRegistry = logFileNameInRegistry.Trim();
}
if (!String.IsNullOrEmpty(logFileNameInRegistry))
{
errLogFileName = logFileNameInRegistry;
logFileName = Path.Combine(logFileNameInRegistry, DefaultLogFileName);
}
else
{
errLogFileName = Environment.SystemDirectory;
logFileName = Path.Combine(Environment.SystemDirectory, DafaultLogDirectory);
errLogFileName = logFileName;
logFileName = Path.Combine(logFileName, DefaultLogFileName);
}
}
catch (ArgumentException)
{
throw new WsatAdminException(WsatAdminErrorCode.ETW_SESSION_INVALID_LOGFILE_NAME,
SR.GetString(SR.ErrorSessionInvalidLogFileName, errLogFileName));
}
if (logFileName.Length >= SafeNativeMethods.MaxTraceFileNameLen)
{
throw new WsatAdminException(WsatAdminErrorCode.ETW_SESSION_TOO_LONG_LOGFILE_NAME,
SR.GetString(SR.ErrorSessionTooLongLogFileName, logFileName));
}
}
// For UI to get MaxFileSize saved in registry
internal static uint GetMaxTraceFileSizeFromReg()
{
uint fileSize = 0;
RegistryConfigurationProvider wsatTraceProvider = new RegistryConfigurationProvider(RegistryHive.LocalMachine, WsatKeys.WsatRegKey, null);
using (wsatTraceProvider)
{
fileSize = wsatTraceProvider.ReadUInt32(WsatKeys.MaxTraceSizeKey, DefaultLogFileSize);
}
return(fileSize);
}
static void ReadParamFromReg(out string logFileName, out uint maxLogBuffers)
{
// Read log file location from registry if exists
string logFileNameInRegistry = null;
RegistryConfigurationProvider wsatTraceProvider = new RegistryConfigurationProvider(RegistryHive.LocalMachine, WsatKeys.WsatRegKey, null);
using (wsatTraceProvider)
{
logFileNameInRegistry = wsatTraceProvider.ReadString(WsatKeys.TraceFileDiectoryKey, null);
maxLogBuffers = wsatTraceProvider.ReadUInt32(WsatKeys.MaxTraceBuffersKey, DefaultBuffers);
if (maxLogBuffers == 0 || maxLogBuffers > MaxLogBuffers)
{
maxLogBuffers = DefaultBuffers;
wsatTraceProvider.WriteUInt32(WsatKeys.MaxTraceBuffersKey, DefaultBuffers);
}
}
String errLogFileName = String.Empty;
try
{
if (!String.IsNullOrEmpty(logFileNameInRegistry))
{
logFileNameInRegistry = logFileNameInRegistry.Trim();
}
if (!String.IsNullOrEmpty(logFileNameInRegistry))
{
errLogFileName = logFileNameInRegistry;
logFileName = Path.Combine(logFileNameInRegistry, DefaultLogFileName);
}
else
{
errLogFileName = Environment.SystemDirectory;
logFileName = Path.Combine(Environment.SystemDirectory, DafaultLogDirectory);
errLogFileName = logFileName;
logFileName = Path.Combine(logFileName, DefaultLogFileName);
}
}
catch (ArgumentException)
{
throw new WsatAdminException(WsatAdminErrorCode.ETW_SESSION_INVALID_LOGFILE_NAME,
SR.GetString(SR.ErrorSessionInvalidLogFileName, errLogFileName));
}
if (logFileName.Length >= SafeNativeMethods.MaxTraceFileNameLen)
{
throw new WsatAdminException(WsatAdminErrorCode.ETW_SESSION_TOO_LONG_LOGFILE_NAME,
SR.GetString(SR.ErrorSessionTooLongLogFileName, logFileName));
}
}
// For UI to get MaxFileSize saved in registry
internal static uint GetMaxTraceFileSizeFromReg()
{
uint fileSize = 0;
RegistryConfigurationProvider wsatTraceProvider = new RegistryConfigurationProvider(RegistryHive.LocalMachine, WsatKeys.WsatRegKey, null);
using (wsatTraceProvider)
{
fileSize = wsatTraceProvider.ReadUInt32(WsatKeys.MaxTraceSizeKey, DefaultLogFileSize);
}
return fileSize;
}
