IGDDiscoveryTask.java

package io.evercam.connect.discover.upnp;

import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;

import net.sbbi.upnp.messages.UPNPResponseException;

import java.io.IOException;

import io.evercam.connect.db.Camera;
import io.evercam.connect.db.CameraOperation;
import io.evercam.connect.net.NetInfo;
import io.evercam.network.discovery.GatewayDevice;
import io.evercam.network.discovery.NatMapEntry;

/**
 * gatewayDeviceTask
 * <p/>
 * AsyncTask using gatewayDevice, along with database operations.
 */

public class IGDDiscoveryTask extends AsyncTask<Void, Void, Void>
{
    private final String TAG = "evercamconnect-gatewayDeviceTask";
    private GatewayDevice gatewayDevice;
    private NetInfo netInfo;
    private CameraOperation cameraOperation;

    public IGDDiscoveryTask(Context ctxt)
    {
        this.netInfo = new NetInfo(ctxt);
        cameraOperation = new CameraOperation(ctxt);
    }

    @Override
    protected Void doInBackground(Void... params)
    {
        try
        {
            gatewayDevice = new GatewayDevice(netInfo.getGatewayIp());
            fillRouter();
            fillAllEntries();
        }
        catch(Exception e)
        {
            Log.e(TAG, e.toString());
        }
        return null;
    }

    public void fillRouter()
    {
        if(gatewayDevice.isRouter())
        {
            cameraOperation.updateAttributeInt(netInfo.getGatewayIp(), netInfo.getSsid(), "upnp",
                    1);
        }
        else
        {
            cameraOperation.updateAttributeInt(netInfo.getGatewayIp(), netInfo.getSsid(), "upnp",
                    0);
        }
    }

    public void fillAllEntries()
    {
        for(int sizeIndex = 0; sizeIndex < gatewayDevice.getTableSize(); sizeIndex++)
        {
            try
            {
                NatMapEntry mapEntry = new NatMapEntry(gatewayDevice.getIGD()
                        .getGenericPortMappingEntry(sizeIndex));
                String natIP = mapEntry.getIpAddress();
                int natInternalPort = mapEntry.getInternalPort();
                int natExternalPort = mapEntry.getExternalPort();
                if(cameraOperation.isExisting(natIP, netInfo.getSsid()))
                {
                    Camera camera = cameraOperation.getCamera(natIP, netInfo.getSsid());
                    if(natInternalPort == camera.getHttp())
                    {
                        cameraOperation.updateAttributeInt(natIP, netInfo.getSsid(), "exthttp",
                                natExternalPort);
                    }
                    else if(natInternalPort == camera.getRtsp())
                    {
                        cameraOperation.updateAttributeInt(natIP, netInfo.getSsid(), "extrtsp", natExternalPort);
                    }
                }

            }
            catch(IOException e)
            {
                e.printStackTrace();
            }
            catch(UPNPResponseException e)
            {
                e.printStackTrace();
            }
        }
    }

}