Class Request

java/org/apache/coyote/Request.java:56–1358

This is a low-level, efficient representation of a server request. Most fields are GC-free, expensive operations are delayed until the user code needs the information. Processing is delegated to modules, using a hook mechanism. This class is not intended for user code - it is used internally by tomc

 * </ul>
 */
public final class Request {

    private static final StringManager sm = StringManager.getManager(Request.class);

    // Expected maximum typical number of cookies per request.
    private static final int INITIAL_COOKIE_SIZE = 4;

    /*
     * At 100,000 requests a second there are enough IDs here for ~3,000,000 years before it overflows (and then we have
     * another 3,000,000 years before it gets back to zero).
     *
     * Local testing shows that 5, 10, 50, 500 or 1000 threads can obtain 60,000,000+ IDs a second from a single
     * AtomicLong. That is about 17ns per request. It does not appear that the introduction of this counter will cause a
     * bottleneck for request processing.
     */
    private static final AtomicLong requestIdGenerator = new AtomicLong(0);

    // public static final int NOTE_ADAPTER = 1; // Defined in CoyoteAdapter
    /**
     * Note key for bad request.
     */
    public static final int NOTE_BAD_REQUEST = 2;


    // ----------------------------------------------------------- Constructors

    /**
     * Default constructor.
     */
    public Request() {
        parameters.setQuery(queryMB);
        parameters.setURLDecoder(urlDecoder);
    }


    // ----------------------------------------------------- Instance Variables

    private int serverPort = -1;
    private final MessageBytes serverNameMB = MessageBytes.newInstance();

    private int remotePort;
    private int localPort;

    private final MessageBytes schemeMB = MessageBytes.newInstance();

    private final MessageBytes methodMB = MessageBytes.newInstance();
    private final MessageBytes uriMB = MessageBytes.newInstance();
    private final MessageBytes decodedUriMB = MessageBytes.newInstance();
    private final MessageBytes queryMB = MessageBytes.newInstance();
    private final MessageBytes protoMB = MessageBytes.newInstance();

    private volatile String requestId = Long.toString(requestIdGenerator.getAndIncrement());

    // remote address/host
    private final MessageBytes remoteAddrMB = MessageBytes.newInstance();
    private final MessageBytes peerAddrMB = MessageBytes.newInstance();
    private final MessageBytes localNameMB = MessageBytes.newInstance();
    private final MessageBytes remoteHostMB = MessageBytes.newInstance();