/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.
 *
 * Modified by Cloudius Systems.
 * Copyright 2015 Cloudius Systems.
 */

#pragma once

#include "gms/inet_address.hh"
#include "core/sstring.hh"

namespace streaming {

/**
 * ProgressInfo contains file transfer progress.
 */
class progress_info {
public:
    using inet_address = gms::inet_address;
    /**
     * Direction of the stream.
     */
    enum class direction { OUT, IN };

    inet_address peer;
    int session_index;
    sstring file_name;
    direction dir;
    long current_bytes;
    long total_bytes;

    progress_info() = default;
    progress_info(inet_address _peer, int _session_index, sstring _file_name, direction _dir, long _current_bytes, long _total_bytes)
        : peer(_peer)
        , session_index(_session_index)
        , file_name(_file_name)
        , dir(_dir)
        , current_bytes(_current_bytes)
        , total_bytes(_total_bytes) {
        assert(_total_bytes > 0);
    }

    /**
     * @return true if file transfer is completed
     */
    bool is_completed() {
        return current_bytes >= total_bytes;
    }

#if 0
    /**
     * ProgressInfo is considered to be equal only when all attributes except currentBytes are equal.
     */
    @Override
    public boolean equals(Object o)
    {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        ProgressInfo that = (ProgressInfo) o;

        if (totalBytes != that.totalBytes) return false;
        if (direction != that.direction) return false;
        if (!fileName.equals(that.fileName)) return false;
        if (sessionIndex != that.sessionIndex) return false;
        return peer.equals(that.peer);
    }

    @Override
    public int hashCode()
    {
        return Objects.hashCode(peer, sessionIndex, fileName, direction, totalBytes);
    }

#endif
    friend std::ostream& operator<<(std::ostream& os, const progress_info& x);
};

} // namespace streaming