/*
 * 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.
 */

/*
 * Copyright 2015 ScyllaDB
 *
 * Modified by ScyllaDB
 */

package org.apache.cassandra.streaming;

import java.io.Serializable;
import java.net.InetAddress;

import com.google.common.base.Objects;

/**
 * ProgressInfo contains file transfer progress.
 */
public class ProgressInfo implements Serializable
{
    /**
     * Direction of the stream.
     */
    public static enum Direction
    {
        OUT(0),
        IN(1);

        public final byte code;

        private Direction(int code)
        {
            this.code = (byte) code;
        }

        public static Direction fromByte(byte direction)
        {
            return direction == 0 ? OUT : IN;
        }
    }

    public final InetAddress peer;
    public final int sessionIndex;
    public final String fileName;
    public final Direction direction;
    public final long currentBytes;
    public final long totalBytes;

    public ProgressInfo(InetAddress peer, int sessionIndex, String fileName, Direction direction, long currentBytes, long totalBytes)
    {
        assert totalBytes > 0;

        this.peer = peer;
        this.sessionIndex = sessionIndex;
        this.fileName = fileName;
        this.direction = direction;
        this.currentBytes = currentBytes;
        this.totalBytes = totalBytes;
    }

    /**
     * @return true if file transfer is completed
     */
    public boolean isCompleted()
    {
        return currentBytes >= totalBytes;
    }

    /**
     * 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);
    }

    @Override
    public String toString()
    {
        StringBuilder sb = new StringBuilder(fileName);
        sb.append(" ").append(currentBytes);
        sb.append("/").append(totalBytes).append(" bytes");
        sb.append("(").append(currentBytes*100/totalBytes).append("%) ");
        sb.append(direction == Direction.OUT ? "sent to " : "received from ");
        sb.append("idx:").append(sessionIndex);
        sb.append(peer);
        return sb.toString();
    }
}

@@ -960,16 +960,161 @@
 Address;
+%0Aimport java.net.UnknownHostException;%0Aimport java.util.HashMap;%0Aimport java.util.Map;%0Aimport javax.json.JsonArray;%0Aimport javax.json.JsonObject;
 %0A%0Aimport
@@ -2234,32 +2234,1030 @@
 alBytes;%0A    %7D%0A%0A
+    static public ProgressInfo fromJsonObject(JsonObject obj) %7B%0A        try %7B%0A            return new ProgressInfo(InetAddress.getByName(obj.getString(%22peer%22)),%0A                    obj.getInt(%22session_index%22),%0A                    obj.getString(%22file_name%22),%0A                    Direction.valueOf(obj.getString(%22direction%22)),%0A                    obj.getJsonNumber(%22current_bytes%22).longValue(),%0A                    obj.getJsonNumber(%22total_bytes%22).longValue());%0A        %7D catch (UnknownHostException e) %7B%0A            // Not suppose to get here%0A        %7D%0A%0A        return null;%0A    %7D%0A%0A    static public Map%3CString, ProgressInfo%3E fromJArrray(JsonArray arr) %7B%0A        Map%3CString, ProgressInfo%3E res = new HashMap%3CString, ProgressInfo%3E();%0A        if (arr != null) %7B%0A            for (int i = 0; i %3C arr.size(); i++) %7B%0A                ProgressInfo obj = fromJsonObject(arr.getJsonObject(i).getJsonObject(%22value%22));%0A                res.put(obj.fileName, obj);%0A            %7D%0A        %7D%0A        return res;%0A    %7D%0A
     /**%0A     * @

Add creation from json object and json array