/*
 * 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.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.http2.Http2Exception;
import io.netty.handler.codec.http2.Http2FrameWriter;
import io.netty.handler.codec.http2.Http2LocalFlowController;
import io.netty.handler.codec.http2.Http2Stream;

public final class NoopHttp2LocalFlowController implements Http2LocalFlowController {
    public static final NoopHttp2LocalFlowController INSTANCE = new NoopHttp2LocalFlowController();

    private NoopHttp2LocalFlowController() { }

    @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 int initialWindowSize(Http2Stream stream) {
        return MAX_INITIAL_WINDOW_SIZE;
    }

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

    @Override
    public void receiveFlowControlledFrame(Http2Stream stream, ByteBuf data, int padding, boolean endOfStream)
            throws Http2Exception {
    }

    @Override
    public boolean consumeBytes(Http2Stream stream, int numBytes) throws Http2Exception {
        return false;
    }

    @Override
    public int unconsumedBytes(Http2Stream stream) {
        return 0;
    }

    @Override
    public void channelHandlerContext(ChannelHandlerContext ctx) throws Http2Exception {
    }

    @Override
    public Http2LocalFlowController frameWriter(Http2FrameWriter frameWriter) {
        return this;
    }
}