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
|
package com.c2kernel.entity.proxy;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.InetAddress;
import java.util.StringTokenizer;
import com.c2kernel.common.InvalidDataException;
/**************************************************************************
*
* $Revision: 1.11 $
* $Date: 2005/05/10 11:40:09 $
*
* Copyright (C) 2003 CERN - European Organization for Nuclear Research
* All rights reserved.
**************************************************************************/
public class ProxyMessage {
// special server message paths
public static final String BYEPATH = "bye";
public static final String ADDPATH = "add";
public static final String DELPATH = "del";
public static final String PINGPATH = "ping";
public static final boolean ADDED = false;
public static final boolean DELETED = true;
public static final int NA = -1;
static ProxyMessage byeMessage = new ProxyMessage(NA, BYEPATH, ADDED);
static ProxyMessage pingMessage = new ProxyMessage(NA, PINGPATH, ADDED);
private int sysKey = NA;
private String path = "";
private String server = null;
private boolean state = ADDED;
public ProxyMessage() {
super();
}
public ProxyMessage(int sysKey, String path, boolean state) {
this();
setSysKey(sysKey);
setPath(path);
setState(state);
}
public ProxyMessage(String line) throws InvalidDataException, IOException {
if (line == null)
throw new IOException("Null proxy message");
StringTokenizer tok = new StringTokenizer(line,":");
if (tok.countTokens()!=2)
throw new InvalidDataException("String '"+line+"' does not constitute a valid proxy message.", "");
sysKey = Integer.parseInt(tok.nextToken());
path = tok.nextToken();
if (path.startsWith("-")) {
state = DELETED;
path = path.substring(1);
}
}
public ProxyMessage(DatagramPacket packet) throws InvalidDataException, IOException {
this(new String(packet.getData()));
}
public int getSysKey() {
return sysKey;
}
public void setSysKey(int sysKey) {
this.sysKey = sysKey;
}
public String getPath() {
return path;
}
public void setPath(String newPath) {
this.path = newPath;
}
public boolean getState() {
return state;
}
public void setState(boolean state) {
this.state = state;
}
public String toString() {
return sysKey+":"+(state?"-":"")+path;
}
public DatagramPacket getPacket(ProxySubscriber host) {
return getPacket(host.getHost(), host.getPort());
}
public DatagramPacket getPacket(InetAddress host, int port) {
byte[] packetString = toString().getBytes();
return new DatagramPacket(packetString, packetString.length, host, port);
}
public String getServer() {
return server;
}
public void setServer(String server) {
this.server = server;
}
}
|
