SpdySession.java — netty Source File

Source Code

/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.handler.codec.spdy;

import io.netty.channel.ChannelPromise;

import java.util.Comparator;
import java.util.Map;
import java.util.Queue;
import java.util.TreeMap;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.atomic.AtomicInteger;

import static io.netty.handler.codec.spdy.SpdyCodecUtil.*;

final class SpdySession {

    private final AtomicInteger activeLocalStreams  = new AtomicInteger();
    private final AtomicInteger activeRemoteStreams = new AtomicInteger();
    private final Map<Integer, StreamState> activeStreams = new ConcurrentHashMap<>();
    private final StreamComparator streamComparator = new StreamComparator();
    private final AtomicInteger sendWindowSize;
    private final AtomicInteger receiveWindowSize;

    SpdySession(int sendWindowSize, int receiveWindowSize) {
        this.sendWindowSize = new AtomicInteger(sendWindowSize);
        this.receiveWindowSize = new AtomicInteger(receiveWindowSize);
    }

    int numActiveStreams(boolean remote) {
        if (remote) {
            return activeRemoteStreams.get();
        } else {
            return activeLocalStreams.get();
        }
    }

    boolean noActiveStreams() {
        return activeStreams.isEmpty();
    }

    boolean isActiveStream(int streamId) {
        return activeStreams.containsKey(streamId);
    }

    // Stream-IDs should be iterated in priority order
// ... (298 more lines)