/*
 *    Salamander Transport Layer
 *
 *    Michael J. Willis    (violator@umich.edu)
 *
 * $Workfile: SAL.java $
 *   $Author: rmalan $
 *     $Date: 1997/07/16 14:20:39 $
 * $Revision: 1.5 $
 */
package Salamander;
/**
 * Main base class containing static data memebers, etc.
 */
public class SAL    {
    /**
     * Default host name
     */
    static String HOST_NAME = "localhost";

    /**
     * UDP port used for initial connections
     */
    static int UDP_PORT            = 8086;
    
    /**
     * Maximum size of a UDP message received on the input UDP port
     */
    static int MAX_UDP_MSGSIZE    = 1024;

    /**
     * This interface version:
     */
    static int THISINTERFACEVERSION = 0x32303030;

    /**
     * Default timeout for UDP to TCP port resolution.
     */
    static int DEFAULT_TIMEOUT = 300;

    /**
     * Used in a UDP connection to request the TCP port that should be connected to.
     */
    static int QUERY_TCP_PORT    = 1;

    static int OK                = 0;
    static int LOCAL_ERROR        = 1;
    static int SERVER_TIMEOUT    = 2;
    static int HOST_UNKNOWN        = 3;
    static int REMOTE_ERROR        = 4;
    static int ALREADY_CONNECTED= 5;
    static int PUBLISH_GENERIC    = 6;
    static int SEND_ERROR        = 7;
    static int PROTOCOL_ERROR    = 8;
    static int INVALID_PLIST    = 9;

    static int QUERY_CONNECTIONS= 10;
    static int REMOVE_CONNECTION= 11;
    static int EXIT                = 12;

    static int REMOTE_PUBLISH    = 13;
    static int REMOTE_SUBSCRIBE    = 14;

    static String SUBSCRIBE = "QUERY";

    static String ALL_SALAMANDER_DATA = "ALL SALAMANDER DATA";

    static int getDefaultUDPPort()    {
        return UDP_PORT;
    }

    static String getDefaultHostName()    {
        return HOST_NAME;
    }

    static int getInterfaceVersion() {
        return THISINTERFACEVERSION;
    }

    static int getDefaultTimeout() {
        return DEFAULT_TIMEOUT;
    }

    static boolean m_bTrace=false;

    public static void enableTrace()    {
        m_bTrace = true;
    }

    public static void disableTrace()    {
        m_bTrace = false;
    }

    public static void trace(String s)    {
        if ( m_bTrace )
            System.out.println(s);
    }

    public static void error(String s)    {
        System.err.println(s);
    }
}