Java example source code file (NoopHttp2RemoteFlowController.java)

This example Java source code file (NoopHttp2RemoteFlowController.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

channelhandlercontext, flowcontrolled, http2exception, instance, max_initial_window_size, noophttp2remoteflowcontroller, override

The NoopHttp2RemoteFlowController.java Java example source code

/*
 * Copyright 2015 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:
 *
 * http://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.microbench.http2;

import static io.netty.handler.codec.http2.Http2CodecUtil.MAX_INITIAL_WINDOW_SIZE;

import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.http2.Http2Exception;
import io.netty.handler.codec.http2.Http2RemoteFlowController;
import io.netty.handler.codec.http2.Http2Stream;

public final class NoopHttp2RemoteFlowController implements Http2RemoteFlowController {
    public static final NoopHttp2RemoteFlowController INSTANCE = new NoopHttp2RemoteFlowController();
    private ChannelHandlerContext ctx;

    private NoopHttp2RemoteFlowController() { }

    @Override
    public void initialWindowSize(int newWindowSize) throws Http2Exception {
    }

    @Override
    public int initialWindowSize() {
        return MAX_INITIAL_WINDOW_SIZE;
    }

    @Override
    public int windowSize(Http2Stream stream) {
        return MAX_INITIAL_WINDOW_SIZE;
    }

    @Override
    public boolean isWritable(Http2Stream stream) {
        return true;
    }

    @Override
    public void incrementWindowSize(Http2Stream stream, int delta) throws Http2Exception {
    }

    @Override
    public void writePendingBytes() throws Http2Exception {
    }

    @Override
    public void listener(Listener listener) {
    }

    @Override
    public void addFlowControlled(Http2Stream stream, FlowControlled payload) {
        // Don't check size beforehand because Headers payload returns 0 all the time.
        do {
            payload.write(ctx, MAX_INITIAL_WINDOW_SIZE);
        } while (payload.size() > 0);
    }

    @Override
    public boolean hasFlowControlled(Http2Stream stream) {
        return false;
    }

    @Override
    public void channelHandlerContext(ChannelHandlerContext ctx) throws Http2Exception {
        this.ctx = ctx;
    }

    @Override
    public ChannelHandlerContext channelHandlerContext() {
        return ctx;
    }

    @Override
    public void channelWritabilityChanged() throws Http2Exception {
    }
}