/// <summary>
/// Validate the full set of configuration. Throws InvalidConfigurationException in the event of invalid
/// applied configuration.
/// </summary>
public void Validate()
{
if (this.Type == LogType.Network)
{
if (this.hostname == null)
{
throw new InvalidConfigurationException($"Log {this.Name} has no hostname set.");
}
if (this.Port == 0)
{
throw new InvalidConfigurationException($"Log {this.Name} has no port set.");
}
}
if (this.Type.HasFeature(Features.FileBacked))
{
if (this.RotationInterval > 0 &&
!FileBackedLogger.IsValidFilenameTemplate(this.FilenameTemplate,
TimeSpan.FromSeconds(this.RotationInterval)))
{
throw new InvalidConfigurationException(
$"Rotation interval {this.RotationInterval} cannot be used with template {this.FilenameTemplate}.");
}
var retentionPolicySet = (this.MaximumAge > TimeSpan.Zero || this.MaximumSize > 0);
if (retentionPolicySet && this.RotationInterval <= 0)
{
throw new InvalidConfigurationException(
$"Log {this.Name} has retention configuration but is not rotated.");
}
if (this.MaximumAge > TimeSpan.Zero)
{
if (this.MaximumAge < TimeSpan.FromSeconds(this.RotationInterval) ||
this.MaximumAge.Ticks % TimeSpan.TicksPerSecond != 0)
{
throw new InvalidConfigurationException(
$"Log {this.Name} has a maximum age which is either shorter than the rotation interval or not evenly divisible by seconds.");
}
}
}
}
private static bool ParseLogNode(XmlNode xmlNode, LogConfiguration config)
{
bool clean = true;
foreach (XmlAttribute logAttribute in xmlNode.Attributes)
{
switch (logAttribute.Name.ToLower(CultureInfo.InvariantCulture))
{
case LogBufferSizeAttribute:
if (!int.TryParse(logAttribute.Value, out config.BufferSize) ||
!IsValidFileBufferSize(config.BufferSize))
{
InternalLogger.Write.InvalidConfiguration("invalid buffer size " + logAttribute.Value);
config.BufferSize = DefaultFileBufferSizeMB;
clean = false;
}
break;
case LogDirectoryAttribute:
if (!IsValidDirectory(logAttribute.Value))
{
InternalLogger.Write.InvalidConfiguration("invalid directory name " + logAttribute.Value);
clean = false;
}
else
{
config.Directory = logAttribute.Value;
}
break;
case LogFilenameTemplateAttribute:
if (!FileBackedLogger.IsValidFilenameTemplate(logAttribute.Value))
{
InternalLogger.Write.InvalidConfiguration("invalid filename template " + logAttribute.Value);
clean = false;
}
else
{
config.FilenameTemplate = logAttribute.Value;
}
break;
case LogTimestampLocal:
if (!bool.TryParse(logAttribute.Value, out config.TimestampLocal))
{
InternalLogger.Write.InvalidConfiguration("invalid timestamplocal value " + logAttribute.Value);
config.TimestampLocal = false;
clean = false;
}
break;
case LogRotationAttribute:
if (!int.TryParse(logAttribute.Value, out config.RotationInterval) ||
!IsValidRotationInterval(config.RotationInterval))
{
InternalLogger.Write.InvalidConfiguration("invalid rotation interval " + logAttribute.Value);
config.RotationInterval = DefaultRotationInterval;
clean = false;
}
break;
case LogHostnameAttribute:
if (Uri.CheckHostName(logAttribute.Value) == UriHostNameType.Unknown)
{
InternalLogger.Write.InvalidConfiguration("invalid hostname name " + logAttribute.Value);
clean = false;
}
else
{
config.Hostname = logAttribute.Value;
}
break;
case LogPortAttribute:
if (!int.TryParse(logAttribute.Value, out config.Port) ||
config.Port <= 0)
{
InternalLogger.Write.InvalidConfiguration("invalid port " + logAttribute.Value);
config.Port = 80;
clean = false;
}
break;
}
}
clean &= ParseLogSources(xmlNode, config);
clean &= ParseLogFilters(xmlNode, config);
return(clean);
}