protected void WriteMessage(Stream stream, TraceMessage message)
{
if (stream.Length == 0)
{
string msgHeader = string.Format("{0} {1} {2} {3} {4} {5} {6} {7} {8}",
"Date".PadRight(24),
"MessageType".PadRight(13),
"MessageKind".PadRight(14),
"User".PadRight(15),
"PID".PadRight(6),
"TID".PadRight(6),
"ID".PadRight(6),
"ActivityID".PadRight(40),
"Description");
stream.Write(Encoding.Default.GetBytes(msgHeader),
0, msgHeader.Length);
// Add Carriage Return, Line feed.
stream.Write(new byte[] { 0x0D, 0x0A }, 0, 2);
}
var description = new StringBuilder(message.FullText);
if (null != message.Source && !String.IsNullOrWhiteSpace(message.Source.Stacktrace) && (message.Type.Equals("Error") || message.Type.Equals("Fatal")))
{
description.AppendLine();
description.Append(message.Source.Stacktrace);
}
string msg = string.Format("{0} {1} {2} {3} {4} {5} {6} {7} {8} - {9} - {10}",
message.Source.Date.ToString("dd/MM/yyyy HH:mm:ss,fff").PadRight(24),
message.Type.ToString().PadRight(13),
message.Category.ToString().PadRight(14),
message.Source.IdentityName.PadRight(15),
message.Source.ProcessId.ToString().PadRight(6),
message.Source.ThreadId.ToString().PadRight(6),
message.Source.EventId.ToString().PadRight(6),
String.IsNullOrWhiteSpace(message.ActivityId) ? string.Empty.PadRight(40) : message.ActivityId.PadRight(40),
message.Source.TypeName,
message.Source.MethodName,
description);
stream.Write(Encoding.Default.GetBytes(msg), 0, msg.Length);
// Add Carriage Return, Line feed.
stream.Write(new byte[] { 0x0D, 0x0A }, 0, 2);
}
// serialize a message in a folder so it can be processed after!
protected void Save(TraceMessage msg)
{
if (String.IsNullOrWhiteSpace(_directory))
{
return; // No backup functionality.
}
var file = Path.Combine(_directory, Guid.NewGuid().ToString()) + ".msglog";
try
{
var serializer = new DataContractSerializer(typeof(TraceMessage));
serializer.WriteObject(file, msg);
}
catch (Exception)
{
// Check if a file is created (happens with a file size equal to zero or incomplete serialization or...
// Message is lost.
Delete(file);
}
}
protected abstract void ProcessMessage(TraceMessage message);
