Initialize the stream and the buffer used to parse the request.
started = true;
request = new Request();
response = new Response();
response.setHook(this);
inputBuffer = new InternalInputBuffer(request,requestBufferSize);
outputBuffer = new SSLAsyncOutputBuffer(response,maxHttpHeaderSize,
bufferResponse);
request.setInputBuffer(inputBuffer);
response.setOutputBuffer(outputBuffer);
request.setResponse(response);
initializeFilters();