telnetappender.h

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _LOG4CXX_NET_TELNET_APPENDER_H
#define _LOG4CXX_NET_TELNET_APPENDER_H
 
#include <log4cxx/appenderskeleton.h>
#include <log4cxx/helpers/socket.h>
#include <log4cxx/helpers/serversocket.h>
#include <thread>
#include <vector>
#include <log4cxx/helpers/charsetencoder.h>
 
namespace log4cxx
{
namespace helpers
{
class ByteBuffer;
}
namespace net
{
typedef log4cxx::helpers::SocketPtr Connection;
LOG4CXX_LIST_DEF(ConnectionList, Connection);
 
class LOG4CXX_EXPORT TelnetAppender : public AppenderSkeleton
{
        class SocketHandler;
        friend class SocketHandler;
    private:
        static const int DEFAULT_PORT;
        static const int MAX_CONNECTIONS;
 
    public:
        DECLARE_LOG4CXX_OBJECT(TelnetAppender)
        BEGIN_LOG4CXX_CAST_MAP()
        LOG4CXX_CAST_ENTRY(TelnetAppender)
        LOG4CXX_CAST_ENTRY_CHAIN(AppenderSkeleton)
        END_LOG4CXX_CAST_MAP()
 
        TelnetAppender();
        ~TelnetAppender();
 
        bool requiresLayout() const override
        {
            return true;
        }
 
        LogString getEncoding() const;
        void setEncoding(const LogString& value);
 
 
        void activateOptions(helpers::Pool& p) override;
 
        void setOption(const LogString& option, const LogString& value) override;
 
        int getPort() const;
 
        void setPort(int port1);
 
 
        void close() override;
 
    protected:
        void append(const spi::LoggingEventPtr& event, helpers::Pool& p) override;
 
        //---------------------------------------------------------- SocketHandler:
 
    private:
        //   prevent copy and assignment statements
        TelnetAppender(const TelnetAppender&);
        TelnetAppender& operator=(const TelnetAppender&);
 
        void write(log4cxx::helpers::ByteBuffer&);
        void writeStatus(const log4cxx::helpers::SocketPtr& socket, const LogString& msg, log4cxx::helpers::Pool& p);
        void acceptConnections();
 
        struct TelnetAppenderPriv;
}; // class TelnetAppender
 
LOG4CXX_PTR_DEF(TelnetAppender);
} // namespace net
} // namespace log4cxx
 
#endif // _LOG4CXX_NET_TELNET_APPENDER_H