1 |
tdb |
1.1 |
//---PACKAGE DECLARATION--- |
2 |
|
|
package uk.ac.ukc.iscream.client.alerters; |
3 |
|
|
|
4 |
|
|
//---IMPORTS--- |
5 |
|
|
import uk.ac.ukc.iscream.client.*; |
6 |
|
|
import uk.ac.ukc.iscream.core.*; |
7 |
|
|
import uk.ac.ukc.iscream.util.*; |
8 |
|
|
import uk.ac.ukc.iscream.componentmanager.*; |
9 |
|
|
|
10 |
|
|
import java.io.*; |
11 |
|
|
import java.net.*; |
12 |
|
|
|
13 |
|
|
/** |
14 |
|
|
* This Alert sends an IRC message. |
15 |
|
|
* |
16 |
tdb |
1.2 |
* @author $Author: tdb1 $ |
17 |
|
|
* @version $Id: IRC__Alerter.java,v 1.1 2001/03/01 23:45:45 tdb1 Exp $ |
18 |
tdb |
1.1 |
*/ |
19 |
|
|
public class IRC__Alerter implements PluginAlerter { |
20 |
|
|
|
21 |
|
|
//---FINAL ATTRIBUTES--- |
22 |
|
|
|
23 |
|
|
/** |
24 |
|
|
* The current CVS revision of this class |
25 |
|
|
*/ |
26 |
|
|
public final String REVISION = "$Revision: 1.1 $"; |
27 |
|
|
|
28 |
|
|
public final String DESC = "Sends alerts on an IRC channel"; |
29 |
|
|
|
30 |
|
|
//---STATIC METHODS--- |
31 |
|
|
|
32 |
|
|
//---CONSTRUCTORS--- |
33 |
|
|
|
34 |
|
|
public IRC__Alerter() { |
35 |
|
|
// get the configuration for this alerter |
36 |
|
|
Configuration config = ReferenceManager.getInstance().getCM().getConfiguration(_name); |
37 |
|
|
|
38 |
|
|
// an integer value |
39 |
|
|
_level = Integer.parseInt(config.getProperty("Alerter.IRC.level")); |
40 |
|
|
// the hostname of the IRC server |
41 |
|
|
_IRCServer = config.getProperty("Alerter.IRC.IRCServer"); |
42 |
|
|
// the port number of the IRC server |
43 |
|
|
_IRCPort = Integer.parseInt(config.getProperty("Alerter.IRC.IRCPort")); |
44 |
|
|
// the nickname to use |
45 |
|
|
_nick = config.getProperty("Alerter.IRC.nick"); |
46 |
|
|
// the channel to join |
47 |
|
|
_channel = config.getProperty("Alerter.IRC.channel"); |
48 |
|
|
// a message with the following: %level% and %message% |
49 |
|
|
_message = config.getProperty("Alerter.IRC.message"); |
50 |
|
|
|
51 |
|
|
// connect to the IRC server |
52 |
|
|
_ircbot = null; |
53 |
|
|
try { |
54 |
|
|
_ircbot = new IRCBot(); |
55 |
|
|
_ircbot.connect(); |
56 |
|
|
_ircbot.sendNotice("iscreamBot activated"); |
57 |
|
|
} catch(IOException e) { |
58 |
|
|
_logger.write(toString(), Logger.ERROR, "Error starting IRCBot: "+e); |
59 |
|
|
} |
60 |
|
|
} |
61 |
|
|
|
62 |
|
|
//---PUBLIC METHODS--- |
63 |
|
|
|
64 |
|
|
public void sendAlert(Alert alert) { |
65 |
|
|
// only send if it's equal (or above) our level |
66 |
|
|
if(alert.getLevel() >= _level) { |
67 |
|
|
// sort out the message |
68 |
|
|
String message = _message; |
69 |
|
|
message = StringUtils.replaceText(message, "%level%", String.valueOf(alert.getLevel())); |
70 |
tdb |
1.2 |
message = StringUtils.replaceText(message, "%value%", alert.getValue()); |
71 |
|
|
message = StringUtils.replaceText(message, "%thresholdValue%", alert.getThresholdValue()); |
72 |
|
|
message = StringUtils.replaceText(message, "%attributeName%", alert.getAttributeName()); |
73 |
tdb |
1.1 |
|
74 |
|
|
// send the message |
75 |
|
|
_ircbot.sendMsg(message); |
76 |
|
|
} |
77 |
|
|
} |
78 |
|
|
|
79 |
|
|
/** |
80 |
|
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
81 |
|
|
* method to provide clean logging (every class should have this). |
82 |
|
|
* |
83 |
|
|
* This uses the uk.ac.ukc.iscream.util.NameFormat class |
84 |
|
|
* to format the toString() |
85 |
|
|
* |
86 |
|
|
* @return the name of this class and its CVS revision |
87 |
|
|
*/ |
88 |
|
|
public String toString() { |
89 |
|
|
return FormatName.getName( |
90 |
|
|
_name, |
91 |
|
|
getClass().getName(), |
92 |
|
|
REVISION); |
93 |
|
|
} |
94 |
|
|
|
95 |
|
|
/** |
96 |
|
|
* return the String representation of what the filter does |
97 |
|
|
*/ |
98 |
|
|
public String getDescription(){ |
99 |
|
|
return DESC; |
100 |
|
|
} |
101 |
|
|
|
102 |
|
|
//---PRIVATE METHODS--- |
103 |
|
|
|
104 |
|
|
//---ACCESSOR/MUTATOR METHODS--- |
105 |
|
|
|
106 |
|
|
//---ATTRIBUTES--- |
107 |
|
|
|
108 |
|
|
// an integer value |
109 |
|
|
private int _level; |
110 |
|
|
|
111 |
|
|
// the hostname of the IRC server |
112 |
|
|
private String _IRCServer; |
113 |
|
|
|
114 |
|
|
// the port number of the IRC server |
115 |
|
|
private int _IRCPort; |
116 |
|
|
|
117 |
|
|
// the nickname to use |
118 |
|
|
private String _nick; |
119 |
|
|
|
120 |
|
|
// the channel to join |
121 |
|
|
private String _channel; |
122 |
|
|
|
123 |
|
|
// the ircbot |
124 |
|
|
private IRCBot _ircbot; |
125 |
|
|
|
126 |
|
|
// a message with the following: %level% and %message% |
127 |
|
|
private String _message; |
128 |
|
|
|
129 |
|
|
/** |
130 |
|
|
* This is the friendly identifier of the |
131 |
|
|
* component this class is running in. |
132 |
|
|
* eg, a Filter may be called "filter1", |
133 |
|
|
* If this class does not have an owning |
134 |
|
|
* component, a name from the configuration |
135 |
|
|
* can be placed here. This name could also |
136 |
|
|
* be changed to null for utility classes. |
137 |
|
|
*/ |
138 |
|
|
private String _name = ClientMain.NAME; |
139 |
|
|
|
140 |
|
|
/** |
141 |
|
|
* This holds a reference to the |
142 |
|
|
* system logger that is being used. |
143 |
|
|
*/ |
144 |
|
|
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
145 |
|
|
|
146 |
|
|
//---STATIC ATTRIBUTES--- |
147 |
|
|
|
148 |
|
|
//---INNER CLASSES--- |
149 |
|
|
|
150 |
|
|
/** |
151 |
|
|
* This class provides some basic IRCBot functionality. It connects |
152 |
|
|
* to a specified server, and will remain there until told to |
153 |
|
|
* leave. Whilst connected it can send a message or a notice to |
154 |
|
|
* the server. |
155 |
|
|
*/ |
156 |
|
|
class IRCBot extends Thread { |
157 |
|
|
|
158 |
|
|
/** |
159 |
|
|
* Main thread loop, this part of the class listens for |
160 |
|
|
* messages from the server, and acts accordingly. At the |
161 |
|
|
* present moment it only responds to pings. |
162 |
|
|
*/ |
163 |
|
|
public void run() { |
164 |
|
|
// flag so we can stop the loop |
165 |
|
|
boolean run = true; |
166 |
|
|
while(run) { |
167 |
|
|
try { |
168 |
|
|
// read a command |
169 |
|
|
String cmd = _socketIn.readLine(); |
170 |
|
|
// if it's a PING... |
171 |
|
|
if(cmd.startsWith("PING")) { |
172 |
|
|
// ...send a PONG |
173 |
|
|
_socketOut.println("PONG" + cmd.substring(4)); |
174 |
|
|
} |
175 |
|
|
} catch (IOException e) { |
176 |
|
|
// comms failure, lets stop |
177 |
|
|
_logger.write(this.toString(), Logger.ERROR, "Comms error: "+e); |
178 |
|
|
//run = false; |
179 |
|
|
} |
180 |
|
|
} |
181 |
|
|
} |
182 |
|
|
|
183 |
|
|
/** |
184 |
|
|
* Sends a message to the channel. |
185 |
|
|
* |
186 |
|
|
* @param msg The message to send |
187 |
|
|
*/ |
188 |
|
|
public void sendMsg(String msg) { |
189 |
|
|
_socketOut.println("PRIVMSG "+_channel+" :"+msg); |
190 |
|
|
} |
191 |
|
|
|
192 |
|
|
/** |
193 |
|
|
* Sends a notice to the channel. |
194 |
|
|
* |
195 |
|
|
* @param msg The notice to send |
196 |
|
|
*/ |
197 |
|
|
public void sendNotice(String msg) { |
198 |
|
|
_socketOut.println("NOTICE "+_channel+" :"+msg); |
199 |
|
|
} |
200 |
|
|
|
201 |
|
|
/** |
202 |
|
|
* Connect to the IRC server, log in, and join the channel. |
203 |
|
|
* |
204 |
|
|
* @throws IOException if the connection fails |
205 |
|
|
*/ |
206 |
|
|
public void connect() throws IOException { |
207 |
|
|
// setup the socket, reader and writer |
208 |
|
|
_socket = new Socket(_IRCServer, _IRCPort); |
209 |
|
|
_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream())); |
210 |
|
|
_socketOut = new PrintWriter(_socket.getOutputStream(), true); |
211 |
|
|
// send the various log in messages |
212 |
|
|
_socketOut.println("PASS"); |
213 |
|
|
_socketOut.println("NICK "+_nick); |
214 |
|
|
_socketOut.println("USER iscream 8 * :i-scream Bot"); |
215 |
|
|
// join the channel |
216 |
|
|
_socketOut.println("JOIN "+_channel); |
217 |
|
|
// start our listening thread |
218 |
|
|
this.start(); |
219 |
|
|
} |
220 |
|
|
|
221 |
|
|
/** |
222 |
|
|
* Disconnect "nicely" from the IRC server. |
223 |
|
|
* |
224 |
|
|
* @throws IOException if the disconnection fails |
225 |
|
|
*/ |
226 |
|
|
public void disconnect() throws IOException { |
227 |
|
|
// send proper QUIET |
228 |
|
|
_socketOut.println("QUIT : iscreamBot component shutting down..."); |
229 |
|
|
// close the socket |
230 |
|
|
_socketOut.close(); |
231 |
|
|
_socketIn.close(); |
232 |
|
|
_socket.close(); |
233 |
|
|
} |
234 |
|
|
|
235 |
|
|
/** |
236 |
|
|
* The socket connected to the server |
237 |
|
|
*/ |
238 |
|
|
private Socket _socket; |
239 |
|
|
|
240 |
|
|
/** |
241 |
|
|
* The writer |
242 |
|
|
*/ |
243 |
|
|
private PrintWriter _socketOut; |
244 |
|
|
|
245 |
|
|
/** |
246 |
|
|
* The reader |
247 |
|
|
*/ |
248 |
|
|
private BufferedReader _socketIn; |
249 |
|
|
|
250 |
|
|
} |
251 |
|
|
|
252 |
|
|
} |