├── .gitignore
├── README.md
├── arpinfodemo.iml
├── build.gradle
├── proguard-rules.pro
└── src
├── androidTest
└── java
│ └── com
│ └── example
│ └── arpinfodemo
│ └── ExampleInstrumentedTest.java
├── main
├── AndroidManifest.xml
├── java
│ └── com
│ │ └── example
│ │ └── arpinfodemo
│ │ ├── MainActivity.java
│ │ └── UDPThread.java
└── res
│ ├── layout
│ └── activity_main.xml
│ ├── menu
│ └── activity_main.xml
│ ├── mipmap-hdpi
│ ├── ic_launcher.png
│ └── ic_launcher_round.png
│ ├── mipmap-mdpi
│ ├── ic_launcher.png
│ └── ic_launcher_round.png
│ ├── mipmap-xhdpi
│ ├── ic_launcher.png
│ └── ic_launcher_round.png
│ ├── mipmap-xxhdpi
│ ├── ic_launcher.png
│ └── ic_launcher_round.png
│ ├── mipmap-xxxhdpi
│ ├── ic_launcher.png
│ └── ic_launcher_round.png
│ └── values
│ ├── colors.xml
│ ├── strings.xml
│ └── styles.xml
└── test
└── java
└── com
└── example
└── arpinfodemo
└── ExampleUnitTest.java
/.gitignore:
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1 | /build
2 |
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/README.md:
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1 | # ARPDemo
2 | reade arp info : ip mac
3 | # test
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/arpinfodemo.iml:
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/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 25
5 | buildToolsVersion "25.0.3"
6 |
7 | defaultConfig {
8 | applicationId "com.example.readarpinfodemo"
9 | minSdkVersion 15
10 | targetSdkVersion 25
11 | versionCode 1
12 | versionName "1.0"
13 |
14 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
15 |
16 | }
17 | buildTypes {
18 | release {
19 | minifyEnabled false
20 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
21 | }
22 | }
23 | }
24 |
25 | dependencies {
26 | compile fileTree(dir: 'libs', include: ['*.jar'])
27 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
28 | exclude group: 'com.android.support', module: 'support-annotations'
29 | })
30 | compile 'com.android.support:appcompat-v7:25.3.1'
31 | compile 'com.android.support.constraint:constraint-layout:1.0.2'
32 | testCompile 'junit:junit:4.12'
33 | }
34 |
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/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # By default, the flags in this file are appended to flags specified
3 | # in D:\Android\SDK/tools/proguard/proguard-android.txt
4 | # You can edit the include path and order by changing the proguardFiles
5 | # directive in build.gradle.
6 | #
7 | # For more details, see
8 | # http://developer.android.com/guide/developing/tools/proguard.html
9 |
10 | # Add any project specific keep options here:
11 |
12 | # If your project uses WebView with JS, uncomment the following
13 | # and specify the fully qualified class name to the JavaScript interface
14 | # class:
15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
16 | # public *;
17 | #}
18 |
19 | # Uncomment this to preserve the line number information for
20 | # debugging stack traces.
21 | #-keepattributes SourceFile,LineNumberTable
22 |
23 | # If you keep the line number information, uncomment this to
24 | # hide the original source file name.
25 | #-renamesourcefileattribute SourceFile
26 |
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/src/androidTest/java/com/example/arpinfodemo/ExampleInstrumentedTest.java:
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1 | package com.example.arpinfodemo;
2 |
3 | import android.content.Context;
4 | import android.support.test.InstrumentationRegistry;
5 | import android.support.test.runner.AndroidJUnit4;
6 |
7 | import org.junit.Test;
8 | import org.junit.runner.RunWith;
9 |
10 | import static org.junit.Assert.*;
11 |
12 | /**
13 | * Instrumentation test, which will execute on an Android device.
14 | *
15 | * @see Testing documentation
16 | */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 | @Test
20 | public void useAppContext() throws Exception {
21 | // Context of the app under test.
22 | Context appContext = InstrumentationRegistry.getTargetContext();
23 |
24 | assertEquals("com.example.readarpinfodemo", appContext.getPackageName());
25 | }
26 | }
27 |
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/src/main/AndroidManifest.xml:
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/src/main/java/com/example/arpinfodemo/MainActivity.java:
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1 | package com.example.arpinfodemo;
2 |
3 | import android.content.Context;
4 | import android.net.wifi.WifiInfo;
5 | import android.net.wifi.WifiManager;
6 | import android.support.v7.app.AppCompatActivity;
7 | import android.os.Bundle;
8 | import android.support.v7.widget.ListViewCompat;
9 | import android.util.Log;
10 | import android.view.View;
11 | import android.widget.ListView;
12 | import android.widget.SimpleAdapter;
13 | import android.widget.TextView;
14 |
15 | import java.io.BufferedReader;
16 | import java.io.FileReader;
17 | import java.net.InetAddress;
18 | import java.net.UnknownHostException;
19 | import java.util.ArrayList;
20 | import java.util.HashMap;
21 | import java.util.Hashtable;
22 | import java.util.Locale;
23 | import java.util.Map;
24 |
25 | public class MainActivity extends AppCompatActivity implements View.OnClickListener{
26 | private String WIP ;
27 | private String myWifiName ;
28 | private String myIp;
29 | private String myMac;
30 | private TextView connectWifiInfo;
31 | private ListView arpLv;
32 | private ArrayList> arpList = new ArrayList>();
33 |
34 | @Override
35 | protected void onCreate(Bundle savedInstanceState) {
36 | super.onCreate(savedInstanceState);
37 | setContentView(R.layout.activity_main);
38 |
39 | connectWifiInfo = (TextView) findViewById(R.id.connectWifiInfo);
40 | arpLv = (ListView) findViewById(R.id.arplist);
41 |
42 | getNetworkInfo();
43 | readArp();
44 | }
45 |
46 | @Override
47 | public void onClick(View v) {
48 | if(v.getId()==R.id.btnRefresh){
49 | getNetworkInfo();
50 | readArp();
51 | }
52 | }
53 |
54 | private void readArp() {
55 | try {
56 | BufferedReader br = new BufferedReader(
57 | new FileReader("/proc/net/arp"));
58 | String line = "";
59 | String ip = "";
60 | String flag = "";
61 | String mac = "";
62 |
63 | while ((line = br.readLine()) != null) {
64 | try {
65 | line = line.trim();
66 | if (line.length() < 63) continue;
67 | if (line.toUpperCase(Locale.US).contains("IP")) continue;
68 | ip = line.substring(0, 17).trim();
69 | flag = line.substring(29, 32).trim();
70 | mac = line.substring(41, 63).trim();
71 | if (mac.contains("00:00:00:00:00:00")) continue;
72 | Log.e("scanner", "readArp: mac= "+mac+" ; ip= "+ip+" ;flag= "+flag);
73 | String arp = "ip: "+ip+" | "+"mac: "+mac+" | "+"flag: "+flag;
74 | Map map = new HashMap();
75 | map.put("arp",arp);
76 | arpList.add(map);
77 | } catch (Exception e) {
78 | continue;
79 | }
80 | }
81 | br.close();
82 |
83 | SimpleAdapter sad = new SimpleAdapter(this,arpList,R.layout.list_item,
84 | new String[]{"arp"},new int[]{R.id.arpitem});
85 | arpLv.setAdapter(sad);
86 |
87 |
88 | } catch(Exception e) {
89 | }
90 |
91 | }
92 |
93 | private void getNetworkInfo() {
94 | try {
95 | WifiManager wm = null;
96 | try {
97 | wm = (WifiManager)this.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
98 | } catch (Exception e) {
99 | wm = null;
100 | }
101 | if (wm != null && wm.isWifiEnabled()) {
102 | WifiInfo wifi = wm.getConnectionInfo();
103 | if (wifi.getRssi() != -200) {
104 | myIp = getWifiIPAddress(wifi.getIpAddress());
105 | }
106 | myWifiName = wifi.getSSID(); //获取被连接网络的名称
107 | myMac = wifi.getBSSID(); //获取被连接网络的mac地址
108 | String str = "WIFI: "+myWifiName+"\n"+"WiFiIP: "+myIp+"\n"+"MAC: "+myMac;
109 | connectWifiInfo.setText(str);
110 | discover(myIp);// 发送arp请求
111 | }
112 | } catch (Exception e) {
113 | e.getMessage();
114 | }
115 | }
116 |
117 |
118 |
119 | private void discover(String ip) {
120 | String newip = "";
121 | if (!ip.equals("")) {
122 | String ipseg = ip.substring(0, ip.lastIndexOf(".")+1);
123 | for (int i=2; i<255; i++) {
124 | newip = ipseg+String.valueOf(i);
125 | if (newip.equals(ip)) continue;
126 | Thread ut = new UDPThread(newip);
127 | ut.start();
128 | }
129 | }
130 | }
131 |
132 | private String getWifiIPAddress(int ipaddr) {
133 | String ip = "";
134 | if (ipaddr == 0) return ip;
135 | byte[] addressBytes = {(byte)(0xff & ipaddr), (byte)(0xff & (ipaddr >> 8)),
136 | (byte)(0xff & (ipaddr >> 16)), (byte)(0xff & (ipaddr >> 24))};
137 | try {
138 | ip = InetAddress.getByAddress(addressBytes).toString();
139 | if (ip.length() > 1) {
140 | ip = ip.substring(1, ip.length());
141 | } else {
142 | ip = "";
143 | }
144 | } catch (UnknownHostException e) {
145 | ip = "";
146 | } catch (Exception e) {
147 | ip = "";
148 | }
149 | return ip;
150 | }
151 |
152 |
153 | }
154 |
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/src/main/java/com/example/arpinfodemo/UDPThread.java:
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1 | package com.example.arpinfodemo;
2 |
3 | import java.io.IOException;
4 | import java.net.DatagramPacket;
5 | import java.net.DatagramSocket;
6 | import java.net.InetAddress;
7 | import java.net.SocketException;
8 | import java.net.UnknownHostException;
9 |
10 | public class UDPThread extends Thread {
11 | private String target_ip = "";
12 |
13 | public static final byte[] NBREQ = { (byte) 0x82, (byte) 0x28, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x1,
14 | (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) 0x20, (byte) 0x43, (byte) 0x4B,
15 | (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41,
16 | (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41,
17 | (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x41,
18 | (byte) 0x41, (byte) 0x41, (byte) 0x41, (byte) 0x0, (byte) 0x0, (byte) 0x21, (byte) 0x0, (byte) 0x1 };
19 |
20 | public static final short NBUDPP = 137;
21 |
22 | public UDPThread(String target_ip) {
23 | this.target_ip = target_ip;
24 | }
25 |
26 | @Override
27 | public synchronized void run() {
28 | if (target_ip == null || target_ip.equals("")) return;
29 | DatagramSocket socket = null;
30 | InetAddress address = null;
31 | DatagramPacket packet = null; //单播
32 | try {
33 | address = InetAddress.getByName(target_ip);
34 | packet = new DatagramPacket(NBREQ, NBREQ.length, address, NBUDPP);
35 | socket = new DatagramSocket();
36 | socket.setSoTimeout(200);
37 | socket.send(packet);
38 | socket.close();
39 | } catch (SocketException se) {
40 | } catch (UnknownHostException e) {
41 | } catch (IOException e) {
42 | } finally {
43 | if (socket != null) {
44 | socket.close();
45 | }
46 | }
47 | }
48 | }
49 |
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/src/main/res/layout/activity_main.xml:
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/src/main/res/menu/activity_main.xml:
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/src/main/res/mipmap-hdpi/ic_launcher.png:
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/src/main/res/mipmap-hdpi/ic_launcher_round.png:
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/src/main/res/mipmap-mdpi/ic_launcher.png:
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/src/main/res/mipmap-mdpi/ic_launcher_round.png:
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/src/main/res/mipmap-xhdpi/ic_launcher.png:
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/src/main/res/mipmap-xhdpi/ic_launcher_round.png:
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/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/wsljun/ARPDemo/af7febe953ed96f67ae4b19945908c467dba2e22/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
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/src/main/res/values/colors.xml:
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1 |
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3 | #3F51B5
4 | #303F9F
5 | #FF4081
6 |
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/src/main/res/values/strings.xml:
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1 |
2 | ReadArpInfoDemo
3 |
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/src/main/res/values/styles.xml:
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/src/test/java/com/example/arpinfodemo/ExampleUnitTest.java:
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1 | package com.example.arpinfodemo;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * Example local unit test, which will execute on the development machine (host).
9 | *
10 | * @see Testing documentation
11 | */
12 | public class ExampleUnitTest {
13 | @Test
14 | public void addition_isCorrect() throws Exception {
15 | assertEquals(4, 2 + 2);
16 | }
17 | }
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