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First attempt at Network State Change listening
- Revised some of the data used for ListenIfAdapter; - NetworkInterfaceTester is a class that report change on network state, it's still a WIP, it is now used to update the Spinner in relation to the available network interfaces;
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,9 @@ | ||
| /* | ||
| * DroidVNC-NG ListenIfAdapter. | ||
| * | ||
| * Author: Christian Beier <[email protected] | ||
| * Author: elluisian <[email protected]> | ||
| * | ||
| * Copyright (C) 2020 Kitchen Armor. | ||
| * Copyright (C) 2020 Christian Beier. | ||
| * | ||
| * You can redistribute and/or modify this program under the terms of the | ||
| * GNU General Public License version 2 as published by the Free Software | ||
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@@ -20,6 +20,10 @@ | |
| */ | ||
| package net.christianbeier.droidvnc_ng; | ||
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| import java.net.NetworkInterface; | ||
| import java.util.ArrayList; | ||
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| import android.content.res.Resources; | ||
| import android.content.Context; | ||
| import android.util.Log; | ||
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@@ -30,118 +34,41 @@ | |
| import android.widget.Spinner; | ||
| import android.view.LayoutInflater; | ||
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| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
| import java.net.NetworkInterface; | ||
| import java.util.ArrayList; | ||
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| public class ListenIfAdapter extends ArrayAdapter<ListenIfAdapter.NetworkInterfaceData> { | ||
| // Class representing the data to show | ||
| static class NetworkInterfaceData { | ||
| // This represents the "Any" option | ||
| public static NetworkInterfaceData ANY; | ||
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| private NetworkInterface nic; | ||
| private String techName; | ||
| private String friendlyName; | ||
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| public NetworkInterfaceData(ListenIfAdapter lia) { | ||
| this(null, lia); | ||
| } | ||
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| public NetworkInterfaceData(NetworkInterface nic, ListenIfAdapter lia) { | ||
| this.nic = nic; | ||
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| if (nic == null) { | ||
| this.techName = "0.0.0.0"; | ||
| this.friendlyName = lia.getStringForAny(); | ||
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| } else { | ||
| this.techName = this.nic.getName(); | ||
| String[] ifNameInfo = lia.extractIfInfo(this.techName); | ||
| if (ifNameInfo == null) { // No info found, consider "techName" as friendly | ||
| this.friendlyName = this.techName; | ||
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| } else { | ||
| this.friendlyName = lia.getFriendlyStringForInterface(ifNameInfo[0]); | ||
| if (ifNameInfo.length > 1) { | ||
| this.friendlyName += " " + ifNameInfo[1]; | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| public static NetworkInterfaceData getAnyOption(ListenIfAdapter lia) { | ||
| if (ANY == null) { | ||
| ANY = new NetworkInterfaceData(lia); | ||
| } | ||
| return ANY; | ||
| } | ||
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| public String getName() { | ||
| return this.techName; | ||
| } | ||
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| public String getFriendlyName() { | ||
| return this.friendlyName; | ||
| } | ||
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| public String toString() { | ||
| return this.friendlyName + " (" + this.techName + ")"; | ||
| } | ||
| } | ||
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| public class ListenIfAdapter extends ArrayAdapter<NetworkInterfaceTester.NetIfData> implements NetworkInterfaceTester.OnNetworkStateChangedListener { | ||
| // This adapter uses the ViewHolder pattern | ||
| private static class ViewHolder { | ||
| public TextView txtLabel; | ||
| } | ||
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| // Data to be shown with the adapter | ||
| private ArrayList<NetworkInterfaceData> data; | ||
| private ArrayList<NetworkInterfaceTester.NetIfData> data; | ||
| private int dataSize; | ||
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| // Some context data for "easy retrieval" | ||
| private Context mContext; | ||
| private Resources mResources; | ||
| private LayoutInflater mInflater; | ||
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| public ListenIfAdapter(ArrayList<NetworkInterface> ifs, Context context) { | ||
| public ListenIfAdapter(NetworkInterfaceTester nit, Context context) { | ||
| super(context, R.layout.spinner_row, R.id.spinner_text); | ||
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| this.mContext = context; | ||
| this.mResources = this.mContext.getResources(); | ||
| this.mInflater = LayoutInflater.from(this.mContext); | ||
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| this.data = new ArrayList<>(); | ||
| this.data.add(NetworkInterfaceData.getAnyOption(this)); | ||
| for (NetworkInterface nic : ifs) { | ||
| this.data.add(new NetworkInterfaceData(nic, this)); | ||
| } | ||
| this.dataSize = this.data.size(); | ||
| nit.addOnNetworkStateChangedListener(this); | ||
| this.onNetworkStateChanged(nit, null, false); | ||
| } | ||
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| public int getItemPositionByIfName(String ifName) { | ||
| int i = 0; | ||
| for (NetworkInterfaceData nid : this.data) { | ||
| for (NetworkInterfaceTester.NetIfData nid : this.data) { | ||
| if (nid.getName().equals(ifName)) { | ||
| return i; | ||
| } | ||
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@@ -156,7 +83,7 @@ public int getItemPositionByIfName(String ifName) { | |
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| @Override | ||
| public View getView(int position, View convertView, ViewGroup parent) { | ||
| if (convertView == null) { // Check if view must be recreated, using the famous ViewHolder pattern | ||
| if (convertView == null) { // Check if view must be recreated using the famous ViewHolder pattern | ||
| convertView = this.mInflater.inflate(R.layout.spinner_row, parent, false); | ||
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| ViewHolder vh = new ViewHolder(); | ||
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@@ -165,99 +92,31 @@ public View getView(int position, View convertView, ViewGroup parent) { | |
| } | ||
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| ViewHolder vh = (ViewHolder)convertView.getTag(); | ||
| NetworkInterfaceData nid = this.getItem(position); | ||
| NetworkInterfaceTester.NetIfData nid = this.getItem(position); | ||
| vh.txtLabel.setText(nid.toString()); | ||
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| return convertView; | ||
| } | ||
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| @Override | ||
| public NetworkInterfaceData getItem(int position) { | ||
| public NetworkInterfaceTester.NetIfData getItem(int position) { | ||
| if (0 <= position && position < this.getCount()) { | ||
| return this.data.get(position); | ||
| } | ||
| return null; | ||
| } | ||
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| @Override | ||
| public int getCount() { | ||
| return this.dataSize; | ||
| } | ||
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| private String getStringForAny() { | ||
| return this.mResources.getString(R.string.main_activity_settings_listenif_spin_any); | ||
| } | ||
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| /** | ||
| * Since the majority of the interfaces have standard Linux names, this method tries to get a possible friendly name. | ||
| * Special thanks go to the pages: | ||
| * - https://stackoverflow.com/questions/33747787/android-networkinterface-what-are-the-meanings-of-names-of-networkinterface | ||
| * - https://stackoverflow.com/questions/47488435/meaning-of-network-interface-rmnet-ipa0 | ||
| * for some of the obscure interface names | ||
| * @param ifName name (technical) of the interface | ||
| * @return if known, a friendly name for the interface, otherwise, null | ||
| */ | ||
| private String getFriendlyStringForInterface(String ifName) { | ||
| String ifFriendlyName = null; // Null if no friendly name is known | ||
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| if (ifName.equals("eth")) { | ||
| ifFriendlyName = this.mResources.getString(R.string.main_activity_settings_listenif_spin_eth); | ||
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| } else if (ifName.equals("wlan")) { | ||
| ifFriendlyName = this.mResources.getString(R.string.main_activity_settings_listenif_spin_wifi); | ||
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| } else if (ifName.equals("lo")) { | ||
| ifFriendlyName = this.mResources.getString(R.string.main_activity_settings_listenif_spin_lpback); | ||
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| } else if (ifName.equals("tun")) { | ||
| ifFriendlyName = this.mResources.getString(R.string.main_activity_settings_listenif_spin_tun); | ||
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| } else if (ifName.equals("dummy")) { | ||
| ifFriendlyName = this.mResources.getString(R.string.main_activity_settings_listenif_spin_dum); | ||
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| } else if (ifName.equals("rmnet_data")) { | ||
| ifFriendlyName = this.mResources.getString(R.string.main_activity_settings_listenif_spin_rmndata); | ||
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| } else if (ifName.equals("rmnet_ipa")) { | ||
| ifFriendlyName = this.mResources.getString(R.string.main_activity_settings_listenif_spin_rmnipa); | ||
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| } | ||
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| return ifFriendlyName; | ||
| } | ||
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| /* | ||
| * This method is used to extract the name and the number of the particular interface | ||
| * from a full interface name (e.g. tun0 becomes "tun" and "0"). | ||
| * Null if no info was found (id est, interface is not known) | ||
| */ | ||
| private static final String IFS_REGEX = "(eth|wlan|tun|dummy|rmnet_data|rmnet_ipa)([0-9+])"; | ||
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| private String[] extractIfInfo(String ifName) { | ||
| Pattern pt = Pattern.compile(IFS_REGEX, Pattern.CASE_INSENSITIVE); | ||
| Matcher mc = pt.matcher(ifName); | ||
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| if (mc.matches()) { | ||
| return new String[] { mc.group(1), mc.group(2) }; | ||
| } | ||
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| // If not found, check for loopback | ||
| if (ifName.equalsIgnoreCase("lo")) { | ||
| return new String[] { "lo" }; | ||
| } | ||
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| // No useful info was found | ||
| return null; | ||
| public void onNetworkStateChanged(NetworkInterfaceTester nit, NetworkInterface iface, boolean enabled) { | ||
| this.data = nit.getAvailableInterfaces(); | ||
| this.dataSize = this.data.size(); | ||
| } | ||
| } | ||
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