1 |
+ |
/* |
2 |
+ |
* i-scream central monitoring system |
3 |
+ |
* Copyright (C) 2000-2002 i-scream |
4 |
+ |
* |
5 |
+ |
* This program is free software; you can redistribute it and/or |
6 |
+ |
* modify it under the terms of the GNU General Public License |
7 |
+ |
* as published by the Free Software Foundation; either version 2 |
8 |
+ |
* of the License, or (at your option) any later version. |
9 |
+ |
* |
10 |
+ |
* This program is distributed in the hope that it will be useful, |
11 |
+ |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 |
+ |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 |
+ |
* GNU General Public License for more details. |
14 |
+ |
* |
15 |
+ |
* You should have received a copy of the GNU General Public License |
16 |
+ |
* along with this program; if not, write to the Free Software |
17 |
+ |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
18 |
+ |
*/ |
19 |
+ |
|
20 |
|
//---PACKAGE DECLARATION--- |
21 |
< |
package uk.ac.ukc.iscream.filtermanager; |
21 |
> |
package uk.org.iscream.cms.server.filtermanager; |
22 |
|
|
23 |
|
//---IMPORTS--- |
24 |
< |
import uk.ac.ukc.iscream.core.*; |
25 |
< |
import uk.ac.ukc.iscream.filter.*; |
26 |
< |
import uk.ac.ukc.iscream.util.*; |
27 |
< |
import uk.ac.ukc.iscream.componentmanager.*; |
28 |
< |
import java.net.Socket; |
24 |
> |
import uk.org.iscream.cms.server.core.*; |
25 |
> |
import uk.org.iscream.cms.server.filter.*; |
26 |
> |
import uk.org.iscream.cms.server.util.*; |
27 |
> |
import uk.org.iscream.cms.server.componentmanager.*; |
28 |
> |
import java.net.*; |
29 |
|
import java.io.*; |
30 |
+ |
import java.util.*; |
31 |
|
|
32 |
|
/** |
33 |
|
* Handles setting up a host. |
56 |
|
* @param socket The socket to which the host is connected |
57 |
|
*/ |
58 |
|
public HostInit(Socket socket) throws IOException { |
59 |
+ |
// set the Thread name |
60 |
+ |
setName("filtermanager.HostInit"); |
61 |
+ |
|
62 |
|
_socket = socket; |
63 |
|
// setup reader & writer |
64 |
|
_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream())); |
73 |
|
* the host to determine it's setup. |
74 |
|
*/ |
75 |
|
public void run() { |
76 |
+ |
// get a hook on the config proxy |
77 |
+ |
ConfigurationProxy cp = ConfigurationProxy.getInstance(); |
78 |
+ |
// this is our config name |
79 |
+ |
String configName = "Host." + _socket.getInetAddress().getHostName().toLowerCase(); |
80 |
|
try { |
81 |
< |
String inBound = _socketIn.readLine(); |
82 |
< |
if (!inBound.equals("STARTCONFIG")) { |
83 |
< |
_socketOut.println("ERROR"); |
84 |
< |
throw new IOException("protocol error - expected:STARTCONFIG got:" + inBound); |
85 |
< |
} |
86 |
< |
|
87 |
< |
Configuration myConfig = _configManager.getConfiguration("Host." + _socket.getInetAddress().getHostName().toLowerCase()); |
88 |
< |
if (myConfig == null) { |
89 |
< |
_socketOut.println("ERROR"); |
90 |
< |
throw new IOException("error in host configuration"); |
91 |
< |
} else { |
92 |
< |
_socketOut.println("OK"); |
93 |
< |
|
94 |
< |
// get lastmodified |
95 |
< |
inBound = _socketIn.readLine(); |
96 |
< |
if(!inBound.equals("LASTMODIFIED")) { |
97 |
< |
// protocol error |
81 |
> |
// try for STARTCONFIG |
82 |
> |
getInBound("STARTCONFIG"); |
83 |
> |
_socketOut.println("OK"); |
84 |
> |
|
85 |
> |
// try for LASTMODIFIED |
86 |
> |
getInBound("LASTMODIFIED"); |
87 |
> |
_socketOut.println(cp.getLastModified(configName)); |
88 |
> |
|
89 |
> |
// try for FILELIST |
90 |
> |
getInBound("FILELIST"); |
91 |
> |
_socketOut.println(cp.getFileList(configName)); |
92 |
> |
|
93 |
> |
// try for FQDN |
94 |
> |
getInBound("FQDN"); |
95 |
> |
_socketOut.println(_socket.getInetAddress().getHostName().toLowerCase()); |
96 |
> |
|
97 |
> |
// get properties |
98 |
> |
String reqProperty = getInBound(); |
99 |
> |
while(!reqProperty.equals("ENDCONFIG")) { |
100 |
> |
// get the property |
101 |
> |
try { |
102 |
> |
String returnedProperty = cp.getProperty(configName, "Host."+reqProperty); |
103 |
> |
_socketOut.println(returnedProperty); |
104 |
> |
} catch (PropertyNotFoundException e) { |
105 |
|
_socketOut.println("ERROR"); |
72 |
– |
throw new IOException("protocol error - expected:LASTMODIFIED got:" + inBound); |
106 |
|
} |
107 |
< |
else { |
108 |
< |
// send info |
109 |
< |
_socketOut.println(myConfig.getLastModified()); |
107 |
> |
// get the next request |
108 |
> |
reqProperty = _socketIn.readLine(); |
109 |
> |
} |
110 |
> |
_logger.write(toString(), Logger.SYSMSG, "configured host"); |
111 |
> |
_socketOut.println("OK"); |
112 |
> |
|
113 |
> |
// get filter reference |
114 |
> |
getInBound("FILTER"); |
115 |
> |
// send info |
116 |
> |
String filterList = cp.getProperty(configName, "Host.filter"); |
117 |
> |
FilterInfo filterInfoRef = null; |
118 |
> |
String filter = null; |
119 |
> |
StringTokenizer st = new StringTokenizer(filterList, ";"); |
120 |
> |
while (filterInfoRef==null && st.hasMoreTokens()) { |
121 |
> |
filter = st.nextToken(); |
122 |
> |
_logger.write(toString(), Logger.DEBUG, " looking for filter- " + filter); |
123 |
> |
try { |
124 |
> |
filterInfoRef = FilterInfoHelper.narrow(ReferenceManager.getInstance().getCORBARef("iscream.FilterInfo." + filter)); |
125 |
> |
} catch (ComponentCORBAException e) { |
126 |
> |
_logger.write(toString(), Logger.DEBUG, " unable to find filter- " + filter); |
127 |
|
} |
78 |
– |
|
79 |
– |
// get config fileList |
80 |
– |
inBound = _socketIn.readLine(); |
81 |
– |
if(!inBound.equals("FILELIST")) { |
82 |
– |
// protocol error |
83 |
– |
_socketOut.println("ERROR"); |
84 |
– |
throw new IOException("protocol error - expected:FILELIST got:" + inBound); |
85 |
– |
} |
86 |
– |
else { |
87 |
– |
// send info |
88 |
– |
_socketOut.println(myConfig.getFileList()); |
89 |
– |
} |
90 |
– |
|
91 |
– |
// get properties |
92 |
– |
inBound = _socketIn.readLine(); |
93 |
– |
while(!inBound.equals("ENDCONFIG")) { |
94 |
– |
|
95 |
– |
// get the property |
96 |
– |
try { |
97 |
– |
String returnedProperty = myConfig.getProperty("Host."+inBound); |
98 |
– |
|
99 |
– |
_socketOut.println(returnedProperty); |
100 |
– |
|
101 |
– |
} catch (org.omg.CORBA.MARSHAL e) { |
102 |
– |
_socketOut.println("ERROR"); |
103 |
– |
} |
104 |
– |
inBound = _socketIn.readLine(); |
105 |
– |
} |
106 |
– |
_logger.write(toString(), Logger.SYSMSG, "configured host"); |
107 |
– |
_socketOut.println("OK"); |
108 |
– |
|
109 |
– |
// get filter reference |
110 |
– |
inBound = _socketIn.readLine(); |
111 |
– |
if(!inBound.equals("FILTER")) { |
112 |
– |
// protocol error |
113 |
– |
_socketOut.println("ERROR"); |
114 |
– |
throw new IOException("protocol error - expected:FILTER got:" + inBound); |
115 |
– |
} |
116 |
– |
else { |
117 |
– |
// send info |
118 |
– |
String parentFilter = myConfig.getProperty("Host.filter"); |
119 |
– |
_logger.write(toString(), Logger.DEBUG, " looking for parent - " + parentFilter); |
120 |
– |
Filter filter = FilterHelper.narrow(ReferenceManager.getInstance().getCORBARef("iscream.Filter." + parentFilter)); |
121 |
– |
_socketOut.println(filter.getHostName() + ";" |
122 |
– |
+ filter.getUDPPort() + ";" |
123 |
– |
+ filter.getTCPPort()); |
124 |
– |
} |
125 |
– |
|
126 |
– |
// confirm that all is ok |
127 |
– |
inBound = _socketIn.readLine(); |
128 |
– |
if(!inBound.equals("END")) { |
129 |
– |
// protocol error |
130 |
– |
_socketOut.println("ERROR"); |
131 |
– |
throw new IOException("protocol error - expected:END got:" + inBound); |
132 |
– |
} |
133 |
– |
else { |
134 |
– |
// send ok |
135 |
– |
_socketOut.println("OK"); |
136 |
– |
} |
137 |
– |
|
128 |
|
} |
129 |
+ |
|
130 |
+ |
// hopefully we found a filter |
131 |
+ |
if(filterInfoRef != null) { |
132 |
+ |
_logger.write(toString(), Logger.DEBUG, " found filter- " + filter); |
133 |
+ |
try { |
134 |
+ |
// tell the host about it... |
135 |
+ |
_socketOut.println(filterInfoRef.getHostName() + ";" |
136 |
+ |
+ filterInfoRef.getUDPPort() + ";" |
137 |
+ |
+ filterInfoRef.getTCPPort()); |
138 |
+ |
} |
139 |
+ |
catch(org.omg.CORBA.COMM_FAILURE e) { |
140 |
+ |
// failed to talk to filter, lets signal an error |
141 |
+ |
_socketOut.println("ERROR"); |
142 |
+ |
throw new IOException("error communicating with filter - " + e); |
143 |
+ |
} |
144 |
+ |
} |
145 |
+ |
else { |
146 |
+ |
// ...or throw a wobbly (and tell the host!) |
147 |
+ |
_socketOut.println("ERROR"); |
148 |
+ |
throw new IOException("unable to find filter for host"); |
149 |
+ |
} |
150 |
|
|
151 |
+ |
// confirm ok with END |
152 |
+ |
getInBound("END"); |
153 |
+ |
_socketOut.println("OK"); |
154 |
+ |
|
155 |
|
} catch (Exception e) { |
156 |
< |
_logger.write(toString(), Logger.ERROR, "ERROR - " + e.getMessage()); |
156 |
> |
_logger.write(toString(), Logger.ERROR, "ERROR - " + e); |
157 |
|
} |
158 |
|
|
144 |
– |
_socketOut.flush(); |
159 |
|
// Disconnect streams & socket |
160 |
|
try { |
161 |
|
_socketIn.close(); |
171 |
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
172 |
|
* method to provide clean logging (every class should have this). |
173 |
|
* |
174 |
< |
* This uses the uk.ac.ukc.iscream.util.NameFormat class |
174 |
> |
* This uses the uk.org.iscream.cms.server.util.NameFormat class |
175 |
|
* to format the toString() |
176 |
|
* |
177 |
|
* @return the name of this class and its CVS revision |
184 |
|
} |
185 |
|
|
186 |
|
//---PRIVATE METHODS--- |
187 |
+ |
|
188 |
+ |
private String getInBound(String expected) throws IOException { |
189 |
+ |
// grab the input |
190 |
+ |
String inBound = getInBound(); |
191 |
+ |
// check if it's what we're expecting |
192 |
+ |
if(!inBound.equals(expected)) { |
193 |
+ |
throw new IOException("protocol error - expected:"+expected+" got:" + inBound); |
194 |
+ |
} |
195 |
+ |
// it should be ok then |
196 |
+ |
return inBound; |
197 |
+ |
} |
198 |
+ |
|
199 |
+ |
private String getInBound() throws IOException { |
200 |
+ |
// grab the input |
201 |
+ |
String inBound = _socketIn.readLine(); |
202 |
+ |
// check for null's, likely disconnection |
203 |
+ |
if(inBound == null) { |
204 |
+ |
throw new IOException("got null from host, maybe it died"); |
205 |
+ |
} |
206 |
+ |
// it's a valid message it seems |
207 |
+ |
return inBound; |
208 |
+ |
} |
209 |
|
|
210 |
|
//---ACCESSOR/MUTATOR METHODS--- |
211 |
|
|