mirror of
https://github.com/danieleteti/delphimvcframework.git
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106 lines
2.9 KiB
ObjectPascal
106 lines
2.9 KiB
ObjectPascal
// *************************************************************************** }
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//
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// LoggerPro
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//
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// Copyright (c) 2010-2024 Daniele Teti
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//
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// https://github.com/danieleteti/loggerpro
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//
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// ***************************************************************************
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// ***************************************************************************
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unit LoggerPro.RedisAppender;
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interface
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uses
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LoggerPro, System.Classes, System.DateUtils,
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Redis.Commons {Redis.Commons is included in DelphiRedisClient, also available with GETIT} ,
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Redis.NetLib.INDY {Redis.NetLib.INDY is included in DelphiRedisClient, also available with GETIT};
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type
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{
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@abstract(Logs to a Redis instance)
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To learn how to use this appender, check the sample @code(remote_redis_appender.dproj)
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@author(Daniele Teti - d.teti@bittime.it)
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}
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TLoggerProRedisAppender = class(TLoggerProAppenderBase)
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private
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FRedis: IRedisClient;
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FLogKeyPrefix: string;
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FMaxSize: Int64;
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public
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constructor Create(aRedis: IRedisClient; aMaxSize: Int64 = 5000; aKeyPrefix: string = 'loggerpro'; aLogItemRenderer: ILogItemRenderer = nil); reintroduce;
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procedure Setup; override;
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procedure TearDown; override;
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procedure WriteLog(const aLogItem: TLogItem); override;
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procedure TryToRestart(var Restarted: Boolean); override;
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end;
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implementation
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uses
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System.SysUtils;
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constructor TLoggerProRedisAppender.Create(aRedis: IRedisClient; aMaxSize: Int64; aKeyPrefix: string; aLogItemRenderer: ILogItemRenderer);
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begin
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inherited Create(aLogItemRenderer);
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FRedis := aRedis;
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FLogKeyPrefix := aKeyPrefix;
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FMaxSize := aMaxSize;
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end;
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procedure TLoggerProRedisAppender.Setup;
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begin
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inherited;
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FRedis.Connect;
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end;
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procedure TLoggerProRedisAppender.TearDown;
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begin
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// do nothing
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end;
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procedure TLoggerProRedisAppender.TryToRestart(var Restarted: Boolean);
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begin
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inherited;
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Restarted := False;
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try
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FRedis.Disconnect
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except
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end;
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try
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FRedis.Connect;
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Restarted := True;
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except
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end;
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end;
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procedure TLoggerProRedisAppender.WriteLog(const aLogItem: TLogItem);
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var
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lText: string;
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lKey: string;
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begin
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lText := FormatLog(aLogItem);
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lKey := FLogKeyPrefix + '::logs'; // + aLogItem.LogTypeAsString.ToLower;
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// Push the log item to the right of the list (logs:info, logs:warning, log:error)
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FRedis.RPUSH(lKey, [lText]);
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// Trim the list to the FMaxSize last elements
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FRedis.LTRIM(lKey, -FMaxSize, -1);
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end;
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end.
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