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/*
 * Copyright © 2015 The Gravitee team (http://gravitee.io)
 *
 * Licensed 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.gravitee.gateway.reactive.api.context.tcp;

import io.gravitee.gateway.api.buffer.Buffer;
import io.gravitee.gateway.reactive.api.context.base.BaseRequest;
import io.reactivex.rxjava3.core.Completable;
import io.reactivex.rxjava3.core.Flowable;

/**
 * Request specialized for TCP allowing piping traffic from client to backend.
 *
 * @author Benoit BORDIGONI (benoit.bordigoni at graviteesource.com)
 * @author GraviteeSource Team
 */
public interface TcpRequest extends BaseRequest {
    /**
     * Set a completable that pipes upstream traffic bytes from the client to the backend
     * @param pipe the completable to perform the action
     */
    void pipeUpstream(Completable pipe);

    /**
     * Set the current request body chunks from a {@link Flowable} of {@link Buffer}.
     *
     * 
     * This is useful to directly pump the upstream chunks to the downstream without having to load all the chunks in memory.
     * 
     *
     * 
     * WARN:
     * 

     *  replacing the request chunks will NOT "drain" the previous request that was in place.
     *  You MUST ensure to consume the previous chunks by yourself when using it.
     * 
     *
     * 
     *
     * @param chunks the {@link Flowable} of chunks representing the request body that will be pushed to the upstream.
     */
    void chunks(final Flowable chunks);

    /**
     * Get the current request body chunks as {@link Flowable} of {@link Buffer}.
     *
     * 
     * This is useful when you want to manipulate the entire body without having to load it in memory.
     * 
     *
     * 
     * WARN: you should not keep a direct reference on the body chunks as they could be overridden by others at anytime.
     * 
     *
     * @return a {@link Flowable} containing the current body request chunks.
     */
    Flowable chunks();
}