/**
* Copyright (C) 2009-2013 Barchart, Inc. <http://www.barchart.com/>
*
* All rights reserved. Licensed under the OSI BSD License.
*
* http://www.opensource.org/licenses/bsd-license.php
*/
package com.barchart.udt;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* status of underlying UDT native socket as reported by
* {@link SocketUDT#getStatus0()}
* <p>
* keep in sync with udt.h UDTSTATUS enum; see:
* <p>
* "enum UDTSTATUS { INIT = 1, OPENED = 2, LISTENING = 3, CONNECTING = 4, CONNECTED = 5, BROKEN = 6, CLOSING = 7, CLOSED = 8, NONEXIST = 9 };"
*/
public enum StatusUDT {
/** note: keep the order */
//
/** newly created socket; both connector and acceptor */
INIT(1), //
/** bound socket; both connector and acceptor */
OPENED(2), //
/** bound and listening acceptor socket */
LISTENING(3), //
/** bound connector socket trying to connect */
CONNECTING(4), //
/** bound and connected connector socket */
CONNECTED(5), //
/** acceptor socket after close(), connector socket after remote unreachable */
BROKEN(6), //
/** connector socket while close() is in progress */
CLOSING(7), //
/** connector socket after close() is done */
CLOSED(8), //
/** trying to check status on socket that was closed and removed */
NONEXIST(9), //
/** non udt constant, catch-all value */
UNKNOWN(100), //
;
protected static final Logger log = LoggerFactory
.getLogger(StatusUDT.class);
private final int code;
private StatusUDT(final int code) {
this.code = code;
}
public int getCode() {
return code;
}
public static final StatusUDT from(final int code) {
switch (code) {
case 1:
return INIT;
case 2:
return OPENED;
case 3:
return LISTENING;
case 4:
return CONNECTING;
case 5:
return CONNECTED;
case 6:
return BROKEN;
case 7:
return CLOSING;
case 8:
return CLOSED;
case 9:
return NONEXIST;
default:
log.error("unexpected code={}", code);
return UNKNOWN;
}
}
}