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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/filter/FilterMain.java

Comparing projects/cms/source/server/uk/org/iscream/cms/server/filter/FilterMain.java (file contents):
Revision 1.8 by tdb, Mon Nov 27 00:41:01 2000 UTC vs.
Revision 1.13 by ajm, Thu Nov 30 02:18:51 2000 UTC

#	Line 1 | Line 1
1		//---PACKAGE DECLARATION---
2	+	package uk.ac.ukc.iscream.filter;
3
4		//---IMPORTS---
5	+	import uk.ac.ukc.iscream.refman.*;
6		import uk.ac.ukc.iscream.core.*;
7		import uk.ac.ukc.iscream.filter.*;
8		import org.omg.CORBA.*;
#	Line 25 | Line 27 | class FilterMain {
27		//---STATIC METHODS---
28
29		public static void main(String[] args) {
30	+	// ***************************************
31	+	// VERY TEMPORARY - will find a better way
32		System.setProperty("org.omg.CORBA.ORBClass","jacorb.orb.ORB");
33		System.setProperty("org.omg.CORBA.ORBSingletonClass","jacorb.orb.ORBSingleton");
34	<
34	>	// ***************************************
35	>
36		// get our name from the command line
37		String ourName = "";
38		if (args.length == 1) {
#	Line 39 | Line 44 | class FilterMain {
44
45		// can't have a real toString() :)
46		String toString = "Filter{" + ourName + "}(" + REVISION.substring(11, REVISION.length() - 2) + ")";
47	+
48	+	ReferenceManager refman = ReferenceManager.init(null, ourName);
49
50	<	try {
44	<	ORB orb = ORB.init(args, null);
50	>	refman.getLogger().write(toString, Logger.SYSINIT, "coming up");
51
52	<	// something to hold objects
53	<	org.omg.CORBA.Object objRef = null;
54	<
55	<	// get the Root POA
50	<	objRef = orb.resolve_initial_references("RootPOA");
51	<	POA poa = POAHelper.narrow(objRef);
52	<
53	<	// get a hook to the name service
54	<	objRef = orb.resolve_initial_references("NameService");
55	<	NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
56	<
57	<	// get a ref to the ConfigurationManager, Logger & the FilterManager
58	<
59	<	objRef = ncRef.resolve(ncRef.to_name("iscream.ConfigurationManager"));
60	<	ConfigurationManager configManager = ConfigurationManagerHelper.narrow(objRef);
61	<
62	<	objRef = ncRef.resolve(ncRef.to_name("iscream.Logger"));
63	<	Logger logger = LoggerHelper.narrow(objRef);
64	<
65	<	logger.write(toString, Logger.SYSINIT, "coming up");
66	<
67	<
68	<	// **** THIS SECTION WILL NEED CHANGING TO GET RELEVANT CONFIG
69	<	// **** Please ignore this block of code, it's just "copy/paste" :)
70	<
71	<	// get the config
72	<	Configuration myConfig = configManager.getConfiguration(ourName);
73	<
74	<	// read some config here
75	<	int UDPport = 0;
76	<	int TCPport = 0;
77	<	String parentFilterName = null;
78	<
79	<	// did we?
80	<	if (myConfig == null) {
81	<	System.out.println("Failed: is it there?, can you read it?");
82	<	System.exit(1);
83	<	} else {
84	<
85	<	// get the property
86	<	try {
87	<	//QUERY HERE.... ???
88	<	UDPport = new Integer(myConfig.getProperty("Filter.UDPlistenPort")).intValue();
89	<	TCPport = new Integer(myConfig.getProperty("Filter.TCPlistenPort")).intValue();
90	<	parentFilterName = myConfig.getProperty("Filter.parentFilter");
91	<	} catch (org.omg.CORBA.MARSHAL e) {
92	<	System.out.println("Caught org.omg.CORBA.MARSHAL, must be a null we got back");
93	<	//System.exit(1);
94	<	}
95	<	}
96	<
97	<	logger.write(toString, Logger.SYSINIT, "configured");
98	<
99	<	// **** END COMMENT
100	<
101	<	// **** INITIAL FILTER MANAGER COMMUNICATIONS HERE
102	<
103	<	// get a root (CHANGE to use FilterManager)
104	<	objRef = ncRef.resolve(ncRef.to_name("iscream.Filter." + parentFilterName));
105	<	Filter parentFilter = FilterHelper.narrow(objRef);
52	>	// configuration variables we require
53	>	int UDPListenPort = 0;
54	>	int TCPListenPort = 0;
55	>	String parentFilterName = null;
56
57	<	// SETUP our Servant
58	<
59	<	// create the FilterServant
60	<	FilterServant filterServant = new FilterServant(logger, parentFilter, ourName, new Integer(TCPport).toString() , new Integer(UDPport).toString());
57	>	Configuration config = refman.getCM().getConfiguration(refman.getName());
58	>	if (config == null) {
59	>	throw new RuntimeException ("CRITICAL:Unable to obtain configuration" +
60	>	"         Advise you check the i-scream log for more information.");
61	>	} else {
62	>	try {
63	>	UDPListenPort = Integer.parseInt(config.getProperty("Filter.UDPListenPort"));
64	>	TCPListenPort = Integer.parseInt(config.getProperty("Filter.TCPListenPort"));
65	>	parentFilterName = config.getProperty("Filter.parentFilter");
66	>	} catch (org.omg.CORBA.MARSHAL e) {
67	>	refman.getLogger().write(toString, Logger.FATAL, "required config property not present");
68	>	throw new RuntimeException ("CRITICAL:Unable to obtain required configuration property" +
69	>	"         Advise you check the i-scream log for more information.");
70
71	<	// register ourselves
71	>	}
72	>	}
73	>	refman.getLogger().write(toString, Logger.SYSINIT, "configured");
74	>	// get parent
75	>	Filter parentFilter = FilterHelper.narrow(refman.getCORBARef("iscream.Filter." + parentFilterName));
76	>
77	>
78	>
79	>	// FilterServant start (for inbound child filter data)
80	>	refman.getLogger().write(toString, Logger.DEBUG, "starting Filter Child -> Parent link for upstream parent - " + parentFilterName);
81	>	FilterServant filterServant = new FilterServant(parentFilter, TCPListenPort, UDPListenPort);
82	>	refman.bindToOrb(filterServant, "iscream.Filter." + refman.getName());
83
84	<	// and advertise it to the naming context
85	<	objRef = poa.servant_to_reference(filterServant);
86	<	ncRef.bind(ncRef.to_name("iscream.Filter."+ourName), objRef);
84	>	// UDL Reader start (for inbound host data)
85	>	refman.getLogger().write(toString, Logger.SYSINIT, "starting Filter UDP listener");
86	>	UDPReader udpReader = new UDPReader(UDPListenPort, parentFilter);
87	>	udpReader.start();
88
89	<	// **** END COMMENT
90	<
91	<	// END SETUP
92	<
93	<
94	<	/**************************************************************
95	<	Here would be an ideal place to start another thread to do
96	<	the listening part of the Filter. Ideally it should just be
97	<	created and then run(). It may be necessary to pass some of
98	<	the following parameters into the thread by the constructor.
99	<
129	<	Logger logger
130	<	- a reference to a Logger object
131	<	FilterManager filterManager
132	<	- a reference to the system filter manager
133	<	ConfigurationManager configManager
134	<	- a reference to the system configuration manager
135	<	Configuration myConfig
136	<	- a reference to the configuration object for this
137	<	filter instance
138	<	String ourName
139	<	- our "identifier" name
140	<
141	<	**************************************************************/
142	<
143	<	logger.write(toString, Logger.SYSINIT, "starting Filter UDP listener");
144	<	UDPReader udpReader = new UDPReader(UDPport, parentFilter, logger);
145	<	udpReader.start();
146	<	logger.write(toString, Logger.SYSINIT, "Filter UDP listener started");
147	<
148	<	logger.write(toString, Logger.SYSINIT, "starting Filter TCP listener");
149	<	TCPReader tcpReader = new TCPReader(logger, configManager, TCPport, parentFilter);
150	<	tcpReader.start();
151	<	logger.write(toString, Logger.SYSINIT, "Filter TCP listener started");
152	<
153	<	// TEST
154	<	parentFilter.receiveXML("<?xml version=\"1.0\" encoding=\"ISO8859-1\"?><packet><test>This is just a debugging test, we ("+ourName+") are live on port: "+port+"</test></packet>");
155	<
156	<	// start the POA off
157	<	poa.the_POAManager().activate();
158	<
159	<	logger.write(toString, Logger.SYSINIT, "started");
160	<
161	<	// now we are running, we just need to serve
162	<	// so we ask the orb to block for us until it has finished
163	<	orb.run();
164	<
165	<	} catch (Exception e) {
166	<	System.err.println("FILTER ERROR: " + e);
167	<	e.printStackTrace(System.out);
168	<	}
89	>	// TCP Reader start (for heartbeats)
90	>	refman.getLogger().write(toString, Logger.SYSINIT, "starting Filter TCP listener");
91	>	TCPReader tcpReader = new TCPReader(TCPListenPort, parentFilter);
92	>	tcpReader.start();
93	>
94	>	// start the POA off
95	>	// now we are running, we just need to serve
96	>	// so we ask the orb to block for us until it has finished
97	>	refman.activatePOA();
98	>	refman.getLogger().write(toString, Logger.SYSINIT, "started");
99	>	refman.getORB().run();
100		}
101
102		/**

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