Sink.cpp

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/*
 * SNode.C - A Slim Toolkit for Network Communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
/*
 * MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * THE SOFTWARE.
 */
 
#include "core/pipe/Sink.h"
 
#include "core/pipe/Source.h"
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace core::pipe {
 
    Sink::~Sink() {
        if (source != nullptr) {
            source->disconnect(this);
        }
    }
 
    void Sink::pipe(Source* source) {
        this->source = source;
 
        onSourceConnect(source);
    }
 
    bool Sink::isStreaming() {
        return source != nullptr;
    }
 
    void Sink::stop() {
        if (source != nullptr) {
            source->disconnect(this);
        }
    }
 
    void Sink::streamData(const char* chunk, std::size_t chunkLen) {
        onSourceData(chunk, chunkLen);
    }
 
    void Sink::streamEof() {
        onSourceEof();
    }
 
    void Sink::streamError(int errnum) {
        onSourceError(errnum);
    }
 
    void Sink::disconnect(const Source* source) {
        if (source == this->source) {
            this->source = nullptr;
        }
    }
 
} // namespace core::pipe