protected override EventListener GetListener(IListenerCreationData listenerCreationData)
{
ContractUtility.Requires <ArgumentNullException>(listenerCreationData.IsNotNull(), "Listener Creation Data cannot be null");
var flatFileListenerCreationData = listenerCreationData as FlatFileListenerCreationData;
return(FlatFileLog.CreateListener(flatFileListenerCreationData.FileName, flatFileListenerCreationData.EventTextFormatter, flatFileListenerCreationData.IsAsync));
}
public MainWindow()
{
InitializeComponent();
#region 写入Console示例
// 创建并订阅一个接收器, 并总是记录所有Log，不分级别
ConsoleLog.CreateListener(null, null)
.EnableEvents(MyCompanyEventSource.Log, EventLevel.LogAlways);
#endregion
#region 写入普通文件示例
// 需要引用EnterpriseLibray.SemanticLogging.TextFile
// 创建并订阅一个FlatFile接收器, 并总是记录所有Informational级别以上的日志
// 指定消息格式化，启用异步写入
FlatFileLog.CreateListener("flat.log", new EventTextFormatter(), true)
.EnableEvents(MyCompanyEventSource.Log, EventLevel.Informational);
// 创建并订阅一个Rolling文件接收器, 并总是记录所有Informational级别以上的日志
RollingFlatFileLog.CreateListener("roll.log",
rollSizeKB: 5, //大于5KB，滚动到新文件
timestampPattern: "yyyy",
rollFileExistsBehavior: RollFileExistsBehavior.Increment, //在原有的文件上追加
rollInterval: RollInterval.Day, //每天滚动
formatter: new XmlEventTextFormatter(), //使用XML文件格式, 如果想要JSON格式使用JsonEventTextFormatter
maxArchivedFiles: 5,
isAsync: true)
.EnableEvents(MyCompanyEventSource.Log, EventLevel.Informational);
#endregion
#region 写入数据库示例
// 需要引用EnterpriseLibray.SemanticLogging.Database
// 在写入数据库之前必须创建数据库,用 管理员 权限，运行CreateSemanticLoggingDb.cmd
// 该文件在packages/EnterpriseLibrary.SemanticLogging.Database.2.0.1406.1/scripts下
// 或者直接使用两个SQL文件来创建数据库
SqlDatabaseLog.CreateListener("SemanticLoggingDemo", //可以是任何字符串，但最好使用应用程序名称
ConfigurationManager.ConnectionStrings["Tracing"].ConnectionString, //连接字符串
tableName: "Tracing")
.EnableEvents(MyCompanyEventSource.Log, EventLevel.Critical); //只写入Critical日志
#endregion
}
private void SetupEventTracing()
{
bool.TryParse(WebConfigurationManager.AppSettings["UseInprocEventTracing"], out this.useInprocEventTracing);
if (this.useInprocEventTracing)
{
//Log to file all DataAccess events
this.fileListener = FlatFileLog.CreateListener("aExpense.DataAccess.log", formatter: new XmlEventTextFormatter(EventTextFormatting.Indented), isAsync: true);
fileListener.EnableEvents(AExpenseEvents.Log, EventLevel.LogAlways, AExpenseEvents.Keywords.DataAccess);
//Log to Rolling file informational UI events only
this.rollingfileListener = RollingFlatFileLog.CreateListener("aExpense.UserInterface.log", rollSizeKB: 10, timestampPattern: "yyyy", rollFileExistsBehavior: RollFileExistsBehavior.Increment, rollInterval: RollInterval.Day, formatter: new JsonEventTextFormatter(EventTextFormatting.Indented), isAsync: true);
rollingfileListener.EnableEvents(AExpenseEvents.Log, EventLevel.Informational, AExpenseEvents.Keywords.UserInterface);
// Log all events to DB
this.dbListener = SqlDatabaseLog.CreateListener("aExpense", WebConfigurationManager.ConnectionStrings["Tracing"].ConnectionString, bufferingInterval: TimeSpan.FromSeconds(3), bufferingCount: 10);
dbListener.EnableEvents(AExpenseEvents.Log, EventLevel.LogAlways, Keywords.All);
}
}
public void CreateFlatFileListener(EventLevel eventLevel, string fileName)
{
var listener = FlatFileLog.CreateListener(fileName);
listener.EnableEvents(LogEventSource.Log, eventLevel, Keywords.All);
}
