LocalUDPSocketProvider.java
2.07 KB
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
package com.sunvote.udptest;
import java.net.DatagramSocket;
import java.net.SocketAddress;
/**
* Created by Elvis on 2017/8/8.
* Email:Eluis@psunsky.com
* Description:
* 本地UDP提供类
*/
public class LocalUDPSocketProvider {
private final static String TAG = LocalUDPSocketProvider.class.getSimpleName();
private static LocalUDPSocketProvider instance = null;
private DatagramSocket localUDPSocket = null;
public static LocalUDPSocketProvider getInstance() {
if (instance == null)
instance = new LocalUDPSocketProvider();
return instance;
}
private LocalUDPSocketProvider() {
//
}
public DatagramSocket resetLocalUDPSocket() {
try {
closeLocalUDPSocket();
localUDPSocket = new DatagramSocket(Main2Activity.port);//_Utils.LOCAL_UDP_SEND$LISTENING_PORT);
//Config.getInstance().localUDPPort
localUDPSocket.setReuseAddress(true);
localUDPSocket.setSoTimeout(60 * 10000);
return localUDPSocket;
} catch (Exception e) {
closeLocalUDPSocket();
return null;
}
}
private boolean isLocalUDPSocketReady() {
boolean ret = true;
if(localUDPSocket != null) {
SocketAddress socketAddress = localUDPSocket.getRemoteSocketAddress();
if (socketAddress != null) {
if(!"".equals(Main2Activity.ip)){
ret = socketAddress.toString().contains(Main2Activity.ip);
}
}
return ret && !localUDPSocket.isClosed();
}
return false;
}
public DatagramSocket getLocalUDPSocket() {
if (isLocalUDPSocketReady()) {
return localUDPSocket;
} else {
return resetLocalUDPSocket();
}
}
public void closeLocalUDPSocket() {
try {
if (localUDPSocket != null) {
localUDPSocket.close();
localUDPSocket = null;
} else {
}
} catch (Exception e) {
}
}
}