/// <summary>
/// add log service provider to service container
/// </summary>
/// <param name="services">Service container</param>
/// <param name="dbLogConnection">connection string to db log</param>
public static void AddDbLog(this IServiceCollection services, string dbLogConnection)
{
using var localizedDbContext = new DbLogDbContext(new DbContextOptionsBuilder <DbLogDbContext>().UseSqlServer(dbLogConnection).Options);
localizedDbContext.Database.Migrate();
services.Configure <DbLogOptions>(option => option.UseSettings(dbLogConnection));
services.AddSingleton <ILoggerProvider, DbLoggerProvider>();
services.AddSingleton <IBackgroundLogTaskQueue, LogBackgroundTaskQueue>();
services.AddHostedService <LogQueuedHostedService>();
services.AddTransient <ISystemLogData, SystemLogData>();
}
public void Log <TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func <TState, Exception, string> formatter)
{
if (!IsEnabled(logLevel))
{
return;
}
if (formatter == null)
{
throw new ArgumentNullException(nameof(formatter));
}
var logBuilder = new StringBuilder();
var message = formatter(state, exception);
if (string.IsNullOrEmpty(message) && exception != null)
{
message = exception.Message;
}
SystemLog createEntity = new SystemLog()
{
Message = CoreUtility.TruncateString(message, 512) ?? "Empty",
FullMessage = CreateFullMessage(logLevel, eventId, message, exception) ?? "Empty",
Level = logLevel
};
if (_contextAccessor?.HttpContext != null)
{
createEntity.IpAddress = _contextAccessor.HttpContext.GetCurrentIpAddress();
createEntity.PageUrl = _contextAccessor.HttpContext.GetThisPageUrl();
createEntity.ReferrerUrl = _contextAccessor.HttpContext.GetUrlReferrer();
createEntity.UserAgent = _contextAccessor.HttpContext.Request?.Headers["User-Agent"];
}
_logtaskQueue.QueueBackgroundWorkItem(async token =>
{
using var localizedDbContext = new DbLogDbContext(new DbContextOptionsBuilder <DbLogDbContext>().UseSqlServer(_dbLogOptions.ConnectionString).Options);
localizedDbContext.SystemLogs.Add(createEntity);
await localizedDbContext.SaveChangesAsync();
});
string CreateFullMessage(LogLevel logLevel, EventId eventId, string message, Exception exception)
{
var logBuilder = new StringBuilder();
var logLevelString = logLevel.ToString();
logBuilder.Append($"{DateTime.Now.ToString(new System.Globalization.CultureInfo("vi-VN"))} - {logLevelString} - {_name}");
if (null != eventId && eventId.Id > 0)
{
logBuilder.Append($" [ {eventId.Id} - {eventId.Name ?? "null"} ] ");
}
AppendAndReplaceNewLine(logBuilder, message);
if (exception != null)
{
logBuilder.Append(' ');
AppendAndReplaceNewLine(logBuilder, exception.ToString());
}
return(logBuilder.ToString());
public SystemLogData(DbLogDbContext dbLogDbContext) : base(dbLogDbContext)
{
}
