在我们的组织中,每个客户都有自己的数据库和各自的日志记录表。如何以编程方式配置 NLog,以便我可以将它指向每个客户的正确数据库?
就像是:
var loggerA = LogManager.GetLogger("CustomerA");
loggerA.Log("Customer A Record");
//Outputs to DatabaseA
LogManager.GetLogger("CustomerB");
loggerB.Log("Customer B Record");
//Outputs to DatabaseB
此外,如果相关,我们正在尝试使用 Common.Logging 进行配置。
目前,我们将尝试调整以下内容:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NLog.Config;
using NLog;
using NLog.Targets;
namespace Internal.Logging
{
public static class LoggingManager
{
public static void ConfigureLogging(string databaseTargetConnectionString = null)
{
ConfigureCommonLogging();
ConfigureAdapter(databaseTargetConnectionString);
}
private static void ConfigureAdapter(string databaseTargetConnectionString)
{
// Step 1. Create configuration object
var config = new LoggingConfiguration();
// Step 2. Create targets and add them to the configuration
var debuggerTarget = new DebuggerTarget();
config.AddTarget("console", debuggerTarget);
var fileTarget = new FileTarget();
config.AddTarget("file", fileTarget);
if (!string.IsNullOrEmpty(databaseTargetConnectionString))
{
var databaseTarget = new DatabaseTarget();
databaseTarget.ConnectionString = databaseTargetConnectionString;
config.AddTarget("database", databaseTarget);
}
// Step 3. Set target properties
debuggerTarget.Layout = @"${date:format=HH\\:MM\\:ss} ${message}";
fileTarget.FileName = "${basedir}/file.txt";
fileTarget.Layout = "${message}";
// Step 4. Define rules
var rule1 = new LoggingRule("*", LogLevel.Debug, debuggerTarget);
config.LoggingRules.Add(rule1);
var rule2 = new LoggingRule("*", LogLevel.Debug, fileTarget);
config.LoggingRules.Add(rule2);
// Step 5. Activate the configuration
LogManager.Configuration = config;
}
private static void ConfigureCommonLogging()
{
var properties = new Common.Logging.Configuration.NameValueCollection();
properties.Add("configType", "INLINE");
Common.Logging.LogManager.Adapter = new Common.Logging.NLog.NLogLoggerFactoryAdapter(properties);
}
}
}