src/main/activemq/io/LoggingOutputStream.cpp

/* 
 * 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.
 */
 
#include "LoggingOutputStream.h"
#include <sstream>
#include <iomanip>

using namespace std;
using namespace activemq;
using namespace activemq::io;

LOGCMS_INITIALIZE( logger, LoggingOutputStream, "activemq.io.LoggingOutputStream")

////////////////////////////////////////////////////////////////////////////////
LoggingOutputStream::LoggingOutputStream( OutputStream* outputStream, bool own )
 : FilterOutputStream( outputStream, own )
{
}

////////////////////////////////////////////////////////////////////////////////
LoggingOutputStream::~LoggingOutputStream()
{
}

////////////////////////////////////////////////////////////////////////////////
void LoggingOutputStream::write( const unsigned char c ) throw ( IOException ) {
    try {
        
        log( &c, 1 );
        
        FilterOutputStream::write( c );       
    }
    AMQ_CATCH_RETHROW( IOException )
    AMQ_CATCHALL_THROW( IOException )
}

////////////////////////////////////////////////////////////////////////////////
void LoggingOutputStream::write( const unsigned char* buffer, size_t len )
    throw ( IOException ) {

    try {
        log( buffer, len );
        
        FilterOutputStream::write( buffer, len );
    }
    AMQ_CATCH_RETHROW( IOException )
    AMQ_CATCHALL_THROW( IOException )
}

////////////////////////////////////////////////////////////////////////////////
void LoggingOutputStream::log( const unsigned char* buffer, size_t len ) {
        
    // Write the buffer as hex to a string stream.    
    ostringstream ostream;
    ostream << "TCP Trace: Writing:" << endl << '[';
        
    for( size_t ix=0; ix<len; ++ix ){
        ostream << setw(2) << setfill('0') << std::hex << (int)buffer[ix];
        
        if( ((ix+1) % 2) == 0 ){
            ostream << ' ';
        }
    }
    
    ostream << "] len: " << std::dec << len << " bytes";
        
    // Log the data
    LOGCMS_INFO( logger, ostream.str() )
}