private void CloseCurrentStream()
{
if (this.m_Stream == null)
{
return;
}
Dictionary <string, ReferencedStream> dictionary = m_Streams;
bool lockTaken = false;
try
{
Monitor.Enter(dictionary, ref lockTaken);
if (this.m_Stream == null)
{
return;
}
this.m_Stream.CloseStream();
if (!this.m_Stream.IsInUse)
{
m_Streams.Remove(this.FullLogFileName.ToUpper(CultureInfo.InvariantCulture));
}
this.m_Stream = null;
}
finally
{
if (lockTaken)
{
Monitor.Exit(dictionary);
}
}
}
private void EnsureStreamIsOpen()
{
if (this.m_Stream != null)
{
return;
}
this.m_Stream = this.GetStream();
}
private ReferencedStream GetStream()
{
ReferencedStream referencedStream = null;
while (referencedStream == null && num < int.MaxValue)
{
string str = num != 0 ? Path.GetFullPath(this.LogFileName + ".log1" + "." + num) : Path.GetFullPath(this.LogFileName + ".log1");
if (File.Exists(str) && new FileInfo(str).Length + 10000 > this.MaxFileSize)
{
++num;
continue;
}
string key = str.ToUpper(CultureInfo.InvariantCulture);
Dictionary <string, ReferencedStream> dictionary = m_Streams;
bool lockTaken = false;
try
{
Monitor.Enter(dictionary, ref lockTaken);
if (m_Streams.ContainsKey(key))
{
referencedStream = m_Streams[key];
if (!referencedStream.IsInUse)
{
m_Streams.Remove(key);
referencedStream = null;
}
else if (this.Append)
{
new FileIOPermission(FileIOPermissionAccess.Write, str).Demand();
referencedStream.AddReference();
this.FullLogFileName = str;
return(referencedStream);
}
else
{
checked { ++num; }
referencedStream = null;
continue;
}
}
Encoding encoding = this.Encoding;
try
{
if (this.Append)
{
encoding = this.GetFileEncoding(str) ?? this.Encoding;
}
referencedStream = new ReferencedStream(new StreamWriter(str, this.Append, encoding));
referencedStream.AddReference();
m_Streams.Add(key, referencedStream);
this.FullLogFileName = str;
return(referencedStream);
}
catch (IOException)
{
}
checked { ++num; }
}
finally
{
if (lockTaken)
{
Monitor.Exit(dictionary);
}
}
}
throw new Exception("ApplicationLog_ExhaustedPossibleStreamNames");
}
