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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed 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.
*/
package com.metis.ccnx.metisforwarder;
import android.Manifest;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.TextView;
import android.util.Log;
import android.widget.Switch;
import android.widget.CompoundButton;
import android.widget.Spinner;
import android.widget.ArrayAdapter;
import android.widget.Button;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import metisforwarder.metis.com.metisforwarder.R;
import com.metis.ccnx.service.MetisForwarderService;
import com.metis.ccnx.supportlibrary.MetisForwarder;
import com.metis.ccnx.utility.Constants;
import com.metis.ccnx.utility.ResourcesEnumerator;
public class MetisForwarderActivity extends AppCompatActivity {
private Spinner sourceIpSpinner;
private EditText sourcePortEditText;
private EditText nextHopIpEditText;
private EditText nextHopPortEditText;
private EditText configurationEditText;
private EditText prefixEditText;
private Switch metisForwarderSwitch;
private Button sourceIpRefreshButton;
private List<String> sourceIpArrayList = new ArrayList<String>();
private List<String> sourceNetworkInterfaceArrayList = new ArrayList<>();
private HashMap<String, String> addressesMap = new HashMap<String, String>();
private SharedPreferences sharedPreferences;
private View _selectedItemView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_metis_forwarder);
checkEnabledPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
checkEnabledPermission(Manifest.permission.READ_EXTERNAL_STORAGE);
init();
}
public HashMap<String, String> getLocalIpAddress() {
HashMap<String, String> addressesMap = new HashMap<String, String>();
try {
for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
NetworkInterface intf = en.nextElement();
for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
InetAddress inetAddress = enumIpAddr.nextElement();
if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
String[] addressSplitted = inetAddress.getHostAddress().toString().split("%");
//addressesMap.put(addressSplitted[1], addressSplitted[0]);
addressesMap.put(intf.getName(), addressSplitted[0]);
}
}
}
} catch (SocketException ex) {
String LOG_TAG = null;
Log.e(LOG_TAG, ex.toString());
}
return addressesMap;
}
private void checkEnabledPermission(String permission) {
if (ContextCompat.checkSelfPermission(this,
permission)
!= PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(this,
permission)) {
} else {
ActivityCompat.requestPermissions(this,
new String[]{permission},
1);
}
}
}
private void init() {
sourceIpSpinner = (Spinner) findViewById(R.id.sourceIpSpinner);
sharedPreferences = getSharedPreferences(Constants.METIS_FORWARDER_PREFERENCES, MODE_PRIVATE);
addressesMap = getLocalIpAddress();
for (String networkInterface : addressesMap.keySet()) {
sourceIpArrayList.add(networkInterface + ": " + addressesMap.get(networkInterface));
sourceNetworkInterfaceArrayList.add(networkInterface);
}
if (addressesMap.size() > 0) {
ArrayAdapter<String> sourceIpSpinnerArrayAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, sourceIpArrayList);
sourceIpSpinnerArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
sourceIpSpinnerArrayAdapter.setDropDownViewResource(R.layout.spinner_layout);
sourceIpSpinner.setAdapter(sourceIpSpinnerArrayAdapter);
if (sourceNetworkInterfaceArrayList.indexOf(sharedPreferences.getString(ResourcesEnumerator.SOURCE_NETWORK_INTERFACE.key(), Constants.DEFAULT_SOURCE_INTERFACE)) > -1) {
sourceIpSpinner.setSelection(sourceNetworkInterfaceArrayList.indexOf(sharedPreferences.getString(ResourcesEnumerator.SOURCE_NETWORK_INTERFACE.key(), Constants.DEFAULT_SOURCE_INTERFACE)));
} else {
sourceIpSpinner.setSelection(0);
}
}
sourcePortEditText = (EditText) findViewById(R.id.sourcePortEditText);
sourcePortEditText.setText(sharedPreferences.getString(ResourcesEnumerator.SOURCE_PORT.key(), Constants.DEFAULT_SOURCE_PORT));
sourceIpRefreshButton = (Button) findViewById(R.id.sourceIpRefreshButton);
sourceIpRefreshButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
addressesMap = getLocalIpAddress();
sourceIpArrayList.clear();
sourceNetworkInterfaceArrayList.clear();
for (String networkInterface : addressesMap.keySet()) {
sourceIpArrayList.add(networkInterface + ": " + addressesMap.get(networkInterface));
sourceNetworkInterfaceArrayList.add(networkInterface);
}
if (addressesMap.size() > 0) {
ArrayAdapter<String> sourceIpComboArrayAdapter = new ArrayAdapter<String>(v.getContext(),
android.R.layout.simple_spinner_item, sourceIpArrayList);
sourceIpComboArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
sourceIpComboArrayAdapter.setDropDownViewResource(R.layout.spinner_layout);
sourceIpSpinner.setAdapter(sourceIpComboArrayAdapter);
if (sourceNetworkInterfaceArrayList.indexOf(sharedPreferences.getString(ResourcesEnumerator.SOURCE_NETWORK_INTERFACE.key(), Constants.DEFAULT_SOURCE_INTERFACE)) > -1) {
sourceIpSpinner.setSelection(sourceNetworkInterfaceArrayList.indexOf(sharedPreferences.getString(ResourcesEnumerator.SOURCE_NETWORK_INTERFACE.key(), Constants.DEFAULT_SOURCE_INTERFACE)));
} else {
sourceIpSpinner.setSelection(0);
}
}
}
});
nextHopIpEditText = (EditText) findViewById(R.id.nextHopIpEditText);
nextHopIpEditText.setText(sharedPreferences.getString(ResourcesEnumerator.NEXT_HOP_IP.key(), Constants.DEFAULT_NEXT_HOP_IP));
nextHopPortEditText = (EditText) findViewById(R.id.nextHopPortEditText);
nextHopPortEditText.setText(sharedPreferences.getString(ResourcesEnumerator.NEXT_HOP_PORT.key(), Constants.DEFAULT_NEXT_HOP_PORT));
configurationEditText = (EditText) findViewById(R.id.configurationEditText);
//configurationEditText.setText(sharedPreferences.getString(ResourcesEnumerator.CONFIGURATION.key(), Constants.DEFAULT_CONFIGURATION));
configurationEditText.setText(Constants.DEFAULT_CONFIGURATION);
prefixEditText = (EditText) findViewById(R.id.prefixEditText);
prefixEditText.setText(sharedPreferences.getString(ResourcesEnumerator.PREFIX.key(), Constants.DEFAULT_PREFIX));
metisForwarderSwitch = (Switch) findViewById(R.id.metisForwarderSwitch);
metisForwarderSwitch.setText(Constants.DISABLED);
metisForwarderSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
Log.v("Switch State=", "" + isChecked);
if (isChecked) {
metisForwarderSwitch.setText(Constants.ENABLED);
SharedPreferences.Editor sharedPreferencesEditor = getSharedPreferences(Constants.METIS_FORWARDER_PREFERENCES, MODE_PRIVATE).edit();
sharedPreferencesEditor.putString(ResourcesEnumerator.SOURCE_NETWORK_INTERFACE.key(), sourceNetworkInterfaceArrayList.get(sourceIpSpinner.getSelectedItemPosition()));
sharedPreferencesEditor.putString(ResourcesEnumerator.SOURCE_IP.key(), addressesMap.get(sourceNetworkInterfaceArrayList.get(sourceIpSpinner.getSelectedItemPosition())));
sharedPreferencesEditor.putString(ResourcesEnumerator.SOURCE_PORT.key(), sourcePortEditText.getText().toString());
sharedPreferencesEditor.putString(ResourcesEnumerator.NEXT_HOP_IP.key(), nextHopIpEditText.getText().toString());
sharedPreferencesEditor.putString(ResourcesEnumerator.NEXT_HOP_PORT.key(), nextHopPortEditText.getText().toString());
sharedPreferencesEditor.putString(ResourcesEnumerator.CONFIGURATION.key(), configurationEditText.getText().toString());
sharedPreferencesEditor.putString(ResourcesEnumerator.PREFIX.key(), prefixEditText.getText().toString());
sharedPreferencesEditor.commit();
sourceIpSpinner.setEnabled(false);
sourceIpRefreshButton.setEnabled(false);
sourcePortEditText.setEnabled(false);
nextHopIpEditText.setEnabled(false);
nextHopPortEditText.setEnabled(false);
prefixEditText.setEnabled(false);
configurationEditText.setEnabled(false);
startMetisForwarder();
} else {
metisForwarderSwitch.setText(Constants.DISABLED);
sourceIpSpinner.setEnabled(true);
sourceIpRefreshButton.setEnabled(true);
sourcePortEditText.setEnabled(true);
nextHopIpEditText.setEnabled(true);
nextHopPortEditText.setEnabled(true);
prefixEditText.setEnabled(true);
configurationEditText.setEnabled(true);
stopMetisForwarder();
}
}
});
}
private void startMetisForwarder() {
Intent intent = new Intent(this, MetisForwarderService.class);
startService(intent);
}
private void stopMetisForwarder() {
Intent intent = new Intent(this, MetisForwarderService.class);
stopService(intent);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
}
}
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