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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/clientinterface/ClientInterfaceMain.java

Comparing projects/cms/source/server/uk/org/iscream/cms/server/clientinterface/ClientInterfaceMain.java (file contents):
Revision 1.3 by ajm, Tue Dec 5 15:59:35 2000 UTC vs.
Revision 1.31 by tdb, Sun Aug 1 10:40:48 2004 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* http://www.i-scream.org
4	+	* Copyright (C) 2000-2002 i-scream
5	+	*
6	+	* This program is free software; you can redistribute it and/or
7	+	* modify it under the terms of the GNU General Public License
8	+	* as published by the Free Software Foundation; either version 2
9	+	* of the License, or (at your option) any later version.
10	+	*
11	+	* This program is distributed in the hope that it will be useful,
12	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	+	* GNU General Public License for more details.
15	+	*
16	+	* You should have received a copy of the GNU General Public License
17	+	* along with this program; if not, write to the Free Software
18	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19	+	*/
20	+
21		//---PACKAGE DECLARATION---
22	<	package uk.ac.ukc.iscream.clientinterface;
22	>	package uk.org.iscream.cms.server.clientinterface;
23
24		//---IMPORTS---
25	<	import uk.ac.ukc.iscream.util.*;
26	<	import uk.ac.ukc.iscream.core.*;
25	>	import uk.org.iscream.cms.server.componentmanager.*;
26	>	import uk.org.iscream.cms.server.core.*;
27	>	import uk.org.iscream.cms.util.*;
28
29		/**
30	<	* A ClientInterface startup class
30	>	* This class starts the real time clients
31	>	* client interface.
32	>	* This is an iscream component that sends data
33	>	* direct to clients running on desktops to provide
34	>	* real time information.
35		*
36		* @author  $Author$
37		* @version $Id$
38		*/
39	<	class ClientInterfaceMain {
39	>	public class ClientInterfaceMain implements Component {
40
41		//---FINAL ATTRIBUTES---
42
#	Line 22 | Line 47 | class ClientInterfaceMain {
47
48		//---STATIC METHODS---
49
50	<	public static void main(String[] args) {
26	<	// ***************************************
27	<	// VERY TEMPORARY - will find a better way
28	<	System.setProperty("org.omg.CORBA.ORBClass","jacorb.orb.ORB");
29	<	System.setProperty("org.omg.CORBA.ORBSingletonClass","jacorb.orb.ORBSingleton");
30	<	// ***************************************
50	>	//---CONSTRUCTORS---
51
52	<	ReferenceManager refman = ReferenceManager.init(null, null);
52	>	/**
53	>	* Constructs a ClientInterface with the name given
54	>	*
55	>	* @param givenName the name
56	>	*/
57	>	public ClientInterfaceMain(String givenName) {
58	>	NAME = givenName;
59	>	}
60
61	<	// can't have a real toString() :)
35	<	String toString = "ClientInterface{" + refman.getName() + "}(" + REVISION.substring(11, REVISION.length() - 2) + ")";
36	<
37	<	refman.getLogger().write(toString, Logger.SYSINIT, "coming up");
38	<
39	<	// configuration variables we require
40	<	String ourName = null;
41	<	int listenPort = 0;
42	<
43	<	Configuration config = refman.getCM().getConfiguration("ClientInterface");
44	<	if (config == null) {
45	<	throw new RuntimeException ("CRITICAL:Unable to obtain configuration" +
46	<	"         Advise you check the i-scream log for more information.");
47	<	} else {
48	<	try {
49	<	ourName = config.getProperty("RootFilter.realtimeInterfaceName");
50	<	listenPort = Integer.parseInt(config.getProperty("ClientInterface.listenPort"));
51	<	} catch (org.omg.CORBA.MARSHAL e) {
52	<	refman.getLogger().write(toString, Logger.FATAL, "required config property not present");
53	<	throw new RuntimeException ("CRITICAL:Unable to obtain required configuration property" +
54	<	"         Advise you check the i-scream log for more information.");
61	>	//---PUBLIC METHODS---
62
63	<	}
64	<	}
65	<	// now we have the name of the interface we set it
66	<	refman.setName(ourName);
67	<	toString = "ClientInterface{" + refman.getName() + "}(" + REVISION.substring(11, REVISION.length() - 2) + ")";
68	<	refman.getLogger().write(toString, Logger.SYSINIT, "configured");
69	<
63	>	/**
64	>	* This method starts the ClientInterface
65	>	*/
66	>	public void start() throws ComponentStartException {
67	>	// get references to key objects
68	>	_logger = _refman.getLogger();
69	>
70	>	_logger.write(toString(), Logger.SYSINIT, "coming up");
71	>
72	>	// Setup a PacketSorter
73	>	PacketSorter ps = new PacketSorter();
74	>	ps.start();
75	>
76		// ClientInterfaceServant start (for inbound data)
77	<	refman.getLogger().write(toString, Logger.DEBUG, "starting servant for inbound data");
78	<	ClientInterfaceServant ciServant = new ClientInterfaceServant();
79	<	refman.bindToOrb(ciServant, "iscream.ClientInterface." + refman.getName());
77	>	_logger.write(toString(), Logger.DEBUG, "starting servant for inbound data");
78	>	try {
79	>	ClientInterfaceServant ciServant = new ClientInterfaceServant(ps);
80	>	//_refman.bindToOrb(ciServant, "iscream.ClientInterface\\." + ClientInterfaceMain.NAME);
81	>	org.omg.CORBA.Object objRef = _refman.getRootPOA().servant_to_reference(ciServant);
82	>	Client client = ClientHelper.narrow(objRef);
83	>
84	>	String parent = ConfigurationProxy.getInstance().getProperty("ClientInterface." + ClientInterfaceMain.NAME, "ClientInterface.parent");
85	>	objRef = _refman.getCORBARef("iscream.ClientInterface\\." + parent);
86	>	CorbaClientListener listener = CorbaClientListenerHelper.narrow(objRef);
87	>
88	>	CorbaControlHandler handler = listener.connect(client, NAME);
89	>	handler.startData();
90	>	}
91	>	catch(Exception e) {
92	>	// not sure what to do here
93	>	// so we just log the error
94	>	_logger.write(toString(), Logger.ERROR, "ERROR - " + e.getMessage());
95	>	}
96
97	<	ClientListener clientListener = new ClientListener(listenPort, ciServant);
98	<	clientListener.start();
97	>	// Startup the TCPListener
98	>	TCPClientListener tcpClientListener = new TCPClientListener(ps);
99	>	tcpClientListener.start();
100
101	<	// start the POA off
102	<	// now we are running, we just need to serve
103	<	// so we ask the orb to block for us until it has finished
104	<	refman.activatePOA();
105	<	refman.getLogger().write(toString, Logger.SYSINIT, "started");
106	<	refman.getORB().run();
101	>	// Startup the CORBA Listener
102	>	_logger.write(toString(), Logger.DEBUG, "starting servant for inbound clients");
103	>	CorbaClientListenerServant corbaServant = new CorbaClientListenerServant(ps);
104	>	_refman.bindToOrb(corbaServant, "iscream.ClientInterface\\." + ClientInterfaceMain.NAME);
105	>
106	>	_logger.write(toString(), Logger.SYSINIT, "started");
107		}
108	+
109	+	/**
110	+	* Does a dependency check. Used mainly at startup to
111	+	* see if the required dependencies (components) are up
112	+	* and running.
113	+	*
114	+	* @return a boolean value, true if the depdencies are satisfied
115	+	*/
116	+	public boolean depCheck() {
117	+	try {
118	+	org.omg.CORBA.Object obj;
119	+	obj = _refman.getCORBARef("iscream.Logger");
120	+	obj = _refman.getCORBARef("iscream.ConfigurationManager");
121	+	// suss out the parent client interface
122	+	ConfigurationProxy cp = ConfigurationProxy.getInstance();
123	+	String parentName = cp.getProperty("ClientInterface." + ClientInterfaceMain.NAME, "ClientInterface.parent");
124	+	// check the parent is alive
125	+	obj = _refman.getCORBARef("iscream.ClientInterface\\." + parentName);
126	+	} catch(ComponentCORBAException e) {
127	+	System.err.println(toString() + ": Dependency Failure: "+e);
128	+	return false;
129	+	} catch(PropertyNotFoundException e) {
130	+	System.err.println(toString() + ": Unable to obtain configuration: "+e);
131	+	return false;
132	+	}
133	+	// dependency check suceeded
134	+	return true;
135	+	}
136	+
137	+	/**
138	+	* Overrides the {@link java.lang.Object#toString() Object.toString()}
139	+	* method to provide clean logging (every class should have this).
140	+	*
141	+	* This uses the uk.org.iscream.cms.util.NameFormat class
142	+	* to format the toString()
143	+	*
144	+	* @return the name of this class and its CVS revision
145	+	*/
146	+	public String toString() {
147	+	return FormatName.getName(
148	+	NAME,
149	+	getClass().getName(),
150	+	REVISION);
151	+	}
152
79	–	//---CONSTRUCTORS---
80	–
81	–	//---PUBLIC METHODS---
82	–
153		//---PRIVATE METHODS---
154
155		//---ACCESSOR/MUTATOR METHODS---
156
157		//---ATTRIBUTES---
158
159	+	/**
160	+	* This holds a reference to the
161	+	* system logger that is being used.
162	+	*/
163	+	private Logger _logger;
164	+
165	+	/**
166	+	* A reference to the reference manager in use
167	+	*/
168	+	private ReferenceManager _refman = ReferenceManager.getInstance();
169	+
170		//---STATIC ATTRIBUTES---
171
172	<	}
172	>	/**
173	>	* The friendly name for this component, used by
174	>	* all related classes.
175	>	* This is set from the configuration.
176	>	*/
177	>	public static String NAME;
178	>
179	>	}

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