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 *
 * Copyright (c) 2012-2015 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * elects to include this software in this distribution under the [CDDL or GPL
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package org.glassfish.grizzly.spdy;

import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.glassfish.grizzly.spdy.SpdyStream.Termination;
import org.glassfish.grizzly.spdy.SpdyStream.TerminationType;
import org.glassfish.grizzly.spdy.frames.HeadersFrame;
import org.glassfish.grizzly.spdy.frames.RstStreamFrame;
import org.glassfish.grizzly.spdy.frames.SynReplyFrame;
import org.glassfish.grizzly.spdy.frames.SynStreamFrame;
import org.glassfish.grizzly.spdy.frames.WindowUpdateFrame;
import org.glassfish.grizzly.utils.Charsets;

/**
 *
 * @author oleksiys
 */
public class Constants {
    public static final int SPDY_VERSION = 3;
    
    public static final int DEFAULT_MAX_CONCURRENT_STREAMS = 100;
    public static final int DEFAULT_INITIAL_WINDOW_SIZE = 64 * 1024;
    public static final int DEFAULT_MAX_FRAME_SIZE = 1 << 24;
    
    static final byte[] HOST_HEADER_BYTES = ":host".getBytes(Charsets.ASCII_CHARSET);
    static final byte[] METHOD_HEADER_BYTES = ":method".getBytes(Charsets.ASCII_CHARSET);
    static final byte[] PATH_HEADER_BYTES = ":path".getBytes(Charsets.ASCII_CHARSET);
    static final byte[] SCHEMA_HEADER_BYTES = ":scheme".getBytes(Charsets.ASCII_CHARSET);
    static final byte[] VERSION_HEADER_BYTES = ":version".getBytes(Charsets.ASCII_CHARSET);
    static final byte[] STATUS_HEADER_BYTES = ":status".getBytes(Charsets.ASCII_CHARSET);
    
    static final Termination IN_FIN_TERMINATION =
            new Termination(TerminationType.FIN, "End of input");
    
    static final Termination OUT_FIN_TERMINATION =
            new Termination(TerminationType.FIN, "The output stream has been closed");
    
    static final String CLOSED_BY_PEER_STRING = "Closed by peer";
    
    static final Termination LOCAL_CLOSE_TERMINATION =
            new Termination(TerminationType.LOCAL_CLOSE, "Closed locally");
    
    static final Termination PEER_CLOSE_TERMINATION =
            new Termination(TerminationType.PEER_CLOSE, CLOSED_BY_PEER_STRING);
    
    static final Termination RESET_TERMINATION =
            new Termination(TerminationType.RST, "Reset by peer");

    static final Termination UNEXPECTED_FRAME_TERMINATION =
            new Termination(TerminationType.LOCAL_CLOSE, "Unexpected SPDY frame");

    static final Termination FRAME_TOO_LARGE_TERMINATION =
            new Termination(TerminationType.LOCAL_CLOSE, "SpdyFrame sent by peer is too big");
    
    static final Set CTRL_FRAMES_WITH_STREAM_ID =
            Collections.unmodifiableSet(
                new HashSet(
                    Arrays.asList(SynStreamFrame.TYPE, SynReplyFrame.TYPE,
                        RstStreamFrame.TYPE, HeadersFrame.TYPE,
                        WindowUpdateFrame.TYPE)));
}




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