public static void WriteLine(string message, string level)
{
// create a json record
var record = new TraceRecord()
{
Deployment = HostEnvironment.DeploymentName,
Role = HostEnvironment.AzureRoleName,
LogLevel = level,
Session = TraceLog.Session,
Message = message,
Timestamp = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff")
};
var json = JsonSerializer.Serialize(record) + "\n";
byte[] buffer = UTF8Encoding.UTF8.GetBytes(json);
lock (writeLock)
{
// enter a retry loop for sending the buffer on the splunk socket
int retryCount = 2;
while (retryCount > 0)
{
try
{
TraceSocket.Send(buffer);
// success - terminate the enclosing retry loop
break;
}
catch (Exception ex)
{
TraceFile.WriteLine(ex.Message, "Error");
TraceFile.WriteLine(ex.StackTrace, "Error");
// the socket wasn't opened or written to correctly - try to start with a new socket in the next iteration of the retry loop
if (traceSocket != null)
traceSocket.Dispose();
traceSocket = null;
retryCount--;
}
}
// multiple socket failures - log to a file as a last resort
if (retryCount == 0)
TraceFile.WriteLine(message, level);
}
}
public static void WriteLine(string message, string level)
{
// create a json record
var record = new TraceRecord()
{
Deployment = HostEnvironment.DeploymentName,
Role = HostEnvironment.AzureRoleName,
LogLevel = level,
Message = message,
Session = TraceLog.Session,
Timestamp = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff")
};
var json = JsonSerializer.Serialize(record);
lock (writeLock)
{
// enter a retry loop writing the record to the trace file
int retryCount = 2;
while (retryCount > 0)
{
try
{
if (traceFilename == null)
{
// create the file
using (var stream = File.Create(TraceFilename))
using (var writer = new StreamWriter(stream))
{
// log the file creation
var createRecord = new TraceRecord()
{
Deployment = HostEnvironment.DeploymentName,
Role = HostEnvironment.AzureRoleName,
LogLevel = TraceLog.LevelText(TraceLog.LogLevel.Info),
Message = "Created new trace file " + TraceFilename,
Session = TraceLog.Session,
Timestamp = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff")
};
var createJson = JsonSerializer.Serialize(createRecord);
writer.WriteLine(createJson);
writer.Flush();
}
}
// open the file
using (var stream = File.Open(TraceFilename, FileMode.Append, FileAccess.Write, FileShare.Read))
using (var writer = new StreamWriter(stream))
{
writer.WriteLine(json);
writer.Flush();
// reset the trace filename if it exceeds the maximum file size
if (writer.BaseStream.Position > MaxFileSize)
traceFilename = null;
}
// success - terminate the enclosing retry loop
break;
}
catch (Exception)
{
// the file wasn't opened or written to correctly - try to start with a new file in the next iteration of the retry loop
traceFilename = null;
retryCount--;
}
}
}
}