/// <summary>
/// Creates collector from configuration definition
/// </summary>
/// <param name="def">Configuration entry of collector</param>
/// <returns></returns>
internal static ILogCollector CreateCollector(LogCollectorDefinitionBase def)
{
if (def == null)
{
throw new ArgumentNullException("def");
}
if (string.IsNullOrEmpty(def.type))
{
throw new ArgumentException("Configuration entry doesn't specified required collector type", "def");
}
try
{
string typename = def.type;
if (typename.IndexOf('.') < 0)
{
//This is probably a plain class name, overriding to It.Unina.Dis.Logbus.InChannels namespace
const string namespc = "It.Unina.Dis.Logbus.Collectors";
string assemblyname = typeof(CollectorHelper).Assembly.GetName().ToString();
typename = string.Format("{0}.{1}, {2}", namespc, typename, assemblyname);
}
Type loggerType = Type.GetType(typename);
if (!typeof(ILogCollector).IsAssignableFrom(loggerType))
{
LogbusConfigurationException ex =
new LogbusConfigurationException("Registered collector type does not implement ILogCollector");
ex.Data.Add("type", loggerType);
throw ex;
}
ILogCollector ret = Activator.CreateInstance(loggerType) as ILogCollector;
if (def.param != null && ret is IConfigurable)
{
foreach (KeyValuePair kvp in def.param)
{
((IConfigurable)ret).SetConfigurationParameter(kvp.name, kvp.value);
}
}
return(ret);
}
catch (Exception ex)
{
throw new LogbusConfigurationException("Invalid collector configuration", ex);
}
}
/// <summary>
/// Creates default logger by reflection
/// </summary>
/// <returns></returns>
private static ILogger InstantiateLogger()
{
try
{
Type loggerType = typeof(SimpleLogImpl);
if (Configuration != null)
{
if (!string.IsNullOrEmpty(Configuration.defaultloggertype))
{
string typename = Configuration.defaultloggertype;
if (typename.IndexOf('.') < 0)
{
//This is probably a plain class name, overriding to It.Unina.Dis.Logbus.Loggers namespace
const string namespc = "It.Unina.Dis.Logbus.Loggers";
string assemblyname = typeof(LoggerHelper).Assembly.GetName().ToString();
typename = string.Format("{0}.{1}, {2}", namespc, typename, assemblyname);
}
loggerType = Type.GetType(typename);
if (!typeof(ILogger).IsAssignableFrom(loggerType))
{
LogbusConfigurationException ex =
new LogbusConfigurationException(
"Registered logger type does not implement ILog");
ex.Data.Add("type", loggerType);
throw ex;
}
}
}
ILogger ret = Activator.CreateInstance(loggerType) as ILogger;
return(ret);
}
catch (Exception ex)
{
throw new InvalidOperationException("Unable to create logger because of configuration error", ex);
}
}
/// <summary>
/// Creates logger by reflection for configured logger
/// </summary>
/// <returns></returns>
private static ILogger InstantiateLogger(string loggerName)
{
if (string.IsNullOrEmpty(loggerName))
{
throw new ArgumentNullException("loggerName");
}
if (_loggers.ContainsKey(loggerName))
{
return(_loggers[loggerName]);
}
bool permanent = false;
try
{
Type loggerType = typeof(SimpleLogImpl);
if (Configuration != null)
{
string typename = Configuration.defaultloggertype;
try
{
LoggerDefinition def = GetDefinition(loggerName);
if (!string.IsNullOrEmpty(def.type))
{
typename = def.type;
}
permanent = def.permanent;
}
catch (LogbusException)
{
}
catch (InvalidOperationException)
{
}
if (!string.IsNullOrEmpty(typename))
{
if (typename.IndexOf('.') < 0)
{
//This is probably a plain class name, overriding to It.Unina.Dis.Logbus.Loggers namespace
const string namespc = "It.Unina.Dis.Logbus.Loggers";
string assemblyname = typeof(LoggerHelper).Assembly.GetName().ToString();
typename = string.Format("{0}.{1}, {2}", namespc, typename, assemblyname);
}
loggerType = Type.GetType(typename);
if (!typeof(ILogger).IsAssignableFrom(loggerType))
{
LogbusConfigurationException ex =
new LogbusConfigurationException(
"Registered logger type does not implement ILogger");
ex.Data.Add("type", loggerType);
throw ex;
}
}
}
ILogger ret = (ILogger)Activator.CreateInstance(loggerType);
ret.LogName = loggerName;
//Let's see if the collector name is well-known
try
{
WellKnownLogger knownLogger = (WellKnownLogger)Enum.Parse(typeof(WellKnownLogger), loggerName);
ret.HeartbeatInterval = 0;
switch (knownLogger)
{
case WellKnownLogger.Logbus:
{
ret.Facility = SyslogFacility.Internally;
break;
}
case WellKnownLogger.CollectorInternal:
{
ret.Facility = SyslogFacility.Internally;
break;
}
case WellKnownLogger.Client:
{
ret.Facility = SyslogFacility.Local5;
break;
}
}
}
catch (ArgumentException)
{
}
if (permanent)
{
_loggers.Add(loggerName, ret);
}
return(ret);
}
catch (Exception ex)
{
throw new InvalidOperationException("Unable to create logger because of configuration error", ex);
}
}
