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| 1 | +using System; |
| 2 | +using System.Text.RegularExpressions; |
| 3 | +using Serilog; |
| 4 | +using Serilog.Events; |
| 5 | + |
| 6 | +namespace MySqlConnector.Logging |
| 7 | +{ |
| 8 | + public sealed class SerilogLoggerProvider : IMySqlConnectorLoggerProvider |
| 9 | + { |
| 10 | + public SerilogLoggerProvider(bool attemptProperties) => m_attemptProperties = attemptProperties; |
| 11 | + |
| 12 | + public IMySqlConnectorLogger CreateLogger(string name) |
| 13 | + { |
| 14 | + return new SerilogLogger(name, m_attemptProperties); |
| 15 | + } |
| 16 | + |
| 17 | + private class SerilogLogger : IMySqlConnectorLogger |
| 18 | + { |
| 19 | + public SerilogLogger(string name, bool attemptProperties) |
| 20 | + { |
| 21 | + m_name = name; |
| 22 | + m_logger = Serilog.Log.ForContext("SourceContext", "MySqlConnector." + name); |
| 23 | + m_attemptProperties = attemptProperties; |
| 24 | + } |
| 25 | + |
| 26 | + public bool IsEnabled(MySqlConnectorLogLevel level) => m_logger.IsEnabled(GetLevel(level)); |
| 27 | + |
| 28 | + public void Log(MySqlConnectorLogLevel level, string message, object[] args = null, Exception exception = null) |
| 29 | + { |
| 30 | + if (args == null || args.Length == 0) |
| 31 | + m_logger.Write(GetLevel(level), exception, message); |
| 32 | + else |
| 33 | + { |
| 34 | + // rewrite message as template |
| 35 | + var template = tokenReplacer.Replace(message, $"{{{m_name}A$1}}"); |
| 36 | + m_logger.Write(GetLevel(level), exception, template, args); |
| 37 | + } |
| 38 | + } |
| 39 | + |
| 40 | + private static LogEventLevel GetLevel(MySqlConnectorLogLevel level) |
| 41 | + { |
| 42 | + switch (level) |
| 43 | + { |
| 44 | + case MySqlConnectorLogLevel.Trace: |
| 45 | + return LogEventLevel.Verbose; |
| 46 | + case MySqlConnectorLogLevel.Debug: |
| 47 | + return LogEventLevel.Debug; |
| 48 | + case MySqlConnectorLogLevel.Info: |
| 49 | + return LogEventLevel.Information; |
| 50 | + case MySqlConnectorLogLevel.Warn: |
| 51 | + return LogEventLevel.Warning; |
| 52 | + case MySqlConnectorLogLevel.Error: |
| 53 | + return LogEventLevel.Error; |
| 54 | + case MySqlConnectorLogLevel.Fatal: |
| 55 | + return LogEventLevel.Fatal; |
| 56 | + default: |
| 57 | + throw new ArgumentOutOfRangeException(nameof(level), level, "Invalid value for 'level'."); |
| 58 | + } |
| 59 | + } |
| 60 | + |
| 61 | + static readonly Regex tokenReplacer = new Regex(@"\{(\d+)\}", RegexOptions.Compiled); |
| 62 | + |
| 63 | + readonly ILogger m_logger; |
| 64 | + readonly bool m_attemptProperties; |
| 65 | + readonly string m_name; |
| 66 | + } |
| 67 | + |
| 68 | + readonly bool m_attemptProperties; |
| 69 | + } |
| 70 | +} |
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