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// 
// Copyright (c) 2011-2017, Michael Truog <mjtruog at gmail dot com>
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package org.cloudi.tests.msg_size;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import com.ericsson.otp.erlang.OtpErlangPid;
import org.cloudi.API;

public class Task implements Runnable
{
    private API api;
    private static final String DESTINATION = "/tests/msg_size/erlang";
     
    public Task(final int thread_index)
    {
        try
        {
            this.api = new API(thread_index);
        }
        catch (API.InvalidInputException e)
        {
            e.printStackTrace(API.err);
            System.exit(1);
        }
        catch (API.MessageDecodingException e)
        {
            e.printStackTrace(API.err);
            System.exit(1);
        }
        catch (API.TerminateException e)
        {
            API.err.println("terminate msg_size java (before init)");
            System.exit(1);
        }
    }

    public void request(Integer request_type, String name, String pattern,
                        byte[] request_info, byte[] request,
                        Integer timeout, Byte priority,
                        byte[] trans_id, OtpErlangPid pid)
                        throws API.ForwardAsyncException,
                               API.ForwardSyncException,
                               API.InvalidInputException
    {
        ByteBuffer buffer = ByteBuffer.wrap(request);
        buffer.order(ByteOrder.nativeOrder());
        int i = buffer.getInt(0);
        if (i == 4294967295L)
            i = 0;
        else
            i++;
        buffer.putInt(0, i);
        API.out.printf("forward #%d java to %s (with timeout %d ms)\n",
                       i, Task.DESTINATION, timeout);
        this.api.forward_(request_type, Task.DESTINATION,
                          request_info, request,
                          timeout, priority, trans_id, pid);
    }
 
    public void run()
    {
        try
        {
            this.api.subscribe("java", this, "request");
            Object result = this.api.poll();
            assert result == Boolean.FALSE;
        }
        catch (API.TerminateException e)
        {
        }
        catch (Exception e)
        {
            e.printStackTrace(API.err);
        }
        API.out.println("terminate msg_size java");
    }
}

