1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
package com.orbekk.discovery;
import java.util.List;
import java.net.DatagramPacket;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Properties;
import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.widget.Toast;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.orbekk.same.DiscoveryListener;
import com.orbekk.same.NetworkNotificationListener;
import com.orbekk.same.SameController;
import com.orbekk.same.config.Configuration;
public class SameService extends Service {
public final static int DISPLAY_MESSAGE = 1;
public final static String AVAILABLE_NETWORKS_UPDATE =
"com.orbekk.same.SameService.action.AVAILABLE_NETWORKS_UPDATE";
public final static String AVAILABLE_NETWORKS =
"com.orbekk.same.SameService.action.AVAILABLE_NETWORKS";
final static int PORT = 15066;
final static int SERVICE_PORT = 15068;
private Logger logger = LoggerFactory.getLogger(getClass());
private Thread discoveryThread = null;
private SameController sameController = null;
private Configuration configuration = null;
/** This class should go away >:-/ */
public final class DiscoveryThread extends Thread {
Broadcaster broadcast;
DiscoveryListener listener;
public DiscoveryThread(DiscoveryListener listener) {
broadcast = new Broadcaster(SameService.this);
this.listener = listener;
}
@Override public void run() {
while (!Thread.interrupted()) {
DatagramPacket packet = broadcast.receiveBroadcast(PORT);
String content = new String(packet.getData(), 0, packet.getLength());
String[] words = content.split(" ");
if (!content.startsWith("Discover") || content.length() < 2) {
logger.warn("Invalid discovery message: {}", content);
continue;
}
String port = words[1];
String url = "http://" + packet.getAddress().getHostAddress() +
":" + port + "/ClientService.json";
listener.discover(url);
Message message = Message.obtain();
message.obj = "New client: " + url;
toastHandler.sendMessage(message);
}
}
@Override public void interrupt() {
super.interrupt();
broadcast.interrupt();
}
}
private Handler toastHandler = new Handler() {
@Override public void handleMessage(Message message) {
Toast.makeText(SameService.this,
(String)message.obj, Toast.LENGTH_SHORT)
.show();
logger.info("Display toast: {}", (String)message.obj);
}
};
class InterfaceHandler extends Handler {
@Override public void handleMessage(Message message) {
switch (message.what) {
case DISPLAY_MESSAGE:
Toast.makeText(SameService.this,
(String)message.obj, Toast.LENGTH_SHORT)
.show();
Intent intent = new Intent(AVAILABLE_NETWORKS_UPDATE);
ArrayList<String> networkList = new ArrayList<String>();
networkList.add("FirstNetwork");
intent.putStringArrayListExtra(AVAILABLE_NETWORKS,
networkList);
sendBroadcast(intent);
break;
default:
super.handleMessage(message);
}
}
}
private final Messenger messenger = new Messenger(new InterfaceHandler());
private void createNetwork() {
if (discoveryThread == null) {
synchronized (this) {
discoveryThread = new DiscoveryThread(sameController.getClient());
discoveryThread.start();
}
}
}
private void initializeConfiguration() {
Properties properties = new Properties();
properties.setProperty("port", ""+SERVICE_PORT);
properties.setProperty("localIp",
new Broadcaster(this).getWlanAddress().getHostAddress());
properties.setProperty("masterUrl", "http://10.0.0.6:10010/MasterService.json");
configuration = new Configuration(properties);
}
private void sendBroadcastDiscovery(InetAddress ip) {
Broadcaster broadcaster = new Broadcaster(this);
String message = "Discover " + (PORT + 2);
byte[] data = message.getBytes();
if (ip.equals(broadcaster.getBroadcastAddress())) {
broadcaster.sendUdpData(data, ip, PORT);
} else {
String remoteAddress =
String.format("http://%s:%s/ClientService.json",
ip.getHostAddress(), PORT + 2);
sameController.getClient().sendDiscoveryRequest(
remoteAddress);
}
}
private void searchNetworks(InetAddress ip) {
sameController.getClient().setNetworkListener(
new NetworkNotificationListener() {
@Override
public void notifyNetwork(String networkName, String masterUrl) {
Message message = Message.obtain();
message.obj = "notifyNetwork(" + networkName + ", " +
masterUrl;
toastHandler.sendMessage(message);
}
});
sendBroadcastDiscovery(ip);
}
@Override
public IBinder onBind(Intent intent) {
return messenger.getBinder();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
System.setProperty("http.keepAlive", "false");
Toast.makeText(this, "service start: " + intent.getAction(),
Toast.LENGTH_SHORT).show();
if (sameController == null) {
initializeConfiguration();
sameController = SameController.create(configuration);
try {
sameController.start();
} catch (Exception e) {
logger.error("Failed to start server", e);
return START_STICKY;
}
}
if (intent.getAction().equals("create")) {
createNetwork();
} else if (intent.getAction().equals("join")) {
String masterUrl = intent.getExtras().getString("masterUrl");
sameController.joinNetwork(masterUrl);
}
return START_STICKY;
}
@Override
public void onDestroy() {
Toast.makeText(this, "service stopped", Toast.LENGTH_SHORT).show();
if (discoveryThread != null) {
discoveryThread.interrupt();
}
if (sameController != null) {
sameController.stop();
}
}
}
|
