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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 1.2 by ajm, Mon Dec 4 18:42:19 2000 UTC vs.
Revision 1.31 by tdb, Sun Aug 1 10:40:48 2004 UTC

#	Line 1 | Line 1
1	<	//---PACKAGE DECLARATION---
2	<	package uk.ac.ukc.iscream.clientinterface;
3	<
4	<	//---IMPORTS---
5	<	import uk.ac.ukc.iscream.util.*;
6	<	import uk.ac.ukc.iscream.core.*;
7	<
8	<	/**
9	<	* A ClientInterface startup class
10	<	*
11	<	* @author  $Author$
12	<	* @version $Id$
13	<	*/
14	<	class ClientInterfaceMain {
15	<
16	<	//---FINAL ATTRIBUTES---
17	<
18	<	/**
19	<	* The current CVS revision of this class
20	<	*/
21	<	public static final String REVISION = "$Revision$";
22	<
23	<	//---STATIC METHODS---
24	<
25	<	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	<	// ***************************************
31	<
32	<	ReferenceManager refman = ReferenceManager.init(null, null);
33	<
34	<	// 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.");
55	<
56	<	}
57	<	}
58	<	// now we have the name of the interface we set it
59	<	refman.setName(ourName);
60	<	toString = "RootFilter{" + refman.getName() + "}(" + REVISION.substring(11, REVISION.length() - 2) + ")";
61	<	refman.getLogger().write(toString, Logger.SYSINIT, "configured");
62	<
63	<	// ClientInterfaceServant start (for inbound data)
64	<	refman.getLogger().write(toString, Logger.DEBUG, "starting servant for inbound data");
65	<	ClientInterfaceServant ciServant = new ClientInterfaceServant();
66	<	refman.bindToOrb(ciServant, "iscream.ClientInterface." + refman.getName());
67	<
68	<	ClientListener clientListener = new ClientListener(listenPort, ciServant);
69	<	clientListener.start();
70	<
71	<	// start the POA off
72	<	// now we are running, we just need to serve
73	<	// so we ask the orb to block for us until it has finished
74	<	refman.activatePOA();
75	<	refman.getLogger().write(toString, Logger.SYSINIT, "started");
76	<	refman.getORB().run();
77	<	}
78	<
79	<	//---CONSTRUCTORS---
80	<
81	<	//---PUBLIC METHODS---
82	<
83	<	//---PRIVATE METHODS---
84	<
85	<	//---ACCESSOR/MUTATOR METHODS---
86	<
87	<	//---ATTRIBUTES---
88	<
89	<	//---STATIC ATTRIBUTES---
90	<
91	<	}
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.org.iscream.cms.server.clientinterface;
23	>
24	>	//---IMPORTS---
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	>	* 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	>	public class ClientInterfaceMain implements Component {
40	>
41	>	//---FINAL ATTRIBUTES---
42	>
43	>	/**
44	>	* The current CVS revision of this class
45	>	*/
46	>	public static final String REVISION = "$Revision$";
47	>
48	>	//---STATIC METHODS---
49	>
50	>	//---CONSTRUCTORS---
51	>
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	>	//---PUBLIC METHODS---
62	>
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	>	_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	>	// Startup the TCPListener
98	>	TCPClientListener tcpClientListener = new TCPClientListener(ps);
99	>	tcpClientListener.start();
100	>
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	>
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	>	/**
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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