Handler & handler;

utils::thread_pool & thread_pool_;

volatilebool headers_already_sent, first_line_already_sent, headers_in_progress, first_line_in_progress;

asio::streambuf headers_buffer;

asio::streambuf headers_buffer, first_line_buffer;

boost::recursive_mutex headers_mutex;

buffer_type read_buffer_;

if (first_line_in_progress)return;

first_line_in_progress =true;

std::vector<asio::const_buffer> buffers;

typedef constants<Tag> consts;

typename ostringstream<Tag>::type first_line_stream;

first_line_stream

first_line_buffer.consume(first_line_buffer.size());

std::ostreamfirst_line_stream(&first_line_buffer);

first_line_stream

<<consts::http_slash() <<1<<consts::dot() <<1 <<consts::space()

<< status <<consts::space() <<status_message(status)

<<consts::crlf()

<< std::flush

;

std::string first_line = first_line_stream.str();

buffers.push_back(asio::buffer(first_line));

asio::async_write(

socket()

,buffers

,first_line_buffer

, callback);

}