| 1 |
|
//---PACKAGE DECLARATION--- |
| 2 |
+ |
package uk.org.iscream.cms.server.filtermanager; |
| 3 |
|
|
| 4 |
|
//---IMPORTS--- |
| 5 |
< |
import uk.ac.ukc.iscream.core.*; |
| 6 |
< |
import uk.ac.ukc.iscream.filter.*; |
| 7 |
< |
import java.net.Socket; |
| 8 |
< |
import java.net.ServerSocket; |
| 9 |
< |
import java.io.OutputStream; |
| 10 |
< |
import java.io.IOException; |
| 10 |
< |
import java.net.InetAddress; |
| 11 |
< |
import java.net.UnknownHostException; |
| 12 |
< |
import org.omg.CORBA.*; |
| 13 |
< |
import org.omg.CosNaming.*; |
| 5 |
> |
import uk.org.iscream.cms.server.core.*; |
| 6 |
> |
import uk.org.iscream.cms.server.componentmanager.*; |
| 7 |
> |
import uk.org.iscream.cms.server.filter.*; |
| 8 |
> |
import uk.org.iscream.cms.server.util.*; |
| 9 |
> |
import java.net.*; |
| 10 |
> |
import java.io.*; |
| 11 |
|
|
| 12 |
|
/** |
| 13 |
|
* A socket listener to listen for new hosts registering with the system. |
| 33 |
|
/** |
| 34 |
|
* Constructs a new listener |
| 35 |
|
* |
| 36 |
< |
* @param logger a reference to the logger we are using |
| 40 |
< |
* @param configManager a reference to the ConfigurationManager we are using |
| 41 |
< |
* @param port The port that the server will listen on. |
| 36 |
> |
* @param listenPort The port that the server will listen on. |
| 37 |
|
*/ |
| 38 |
< |
public HostListener(Logger logger, ConfigurationManager configManager, int port, NamingContextExt ncRef) { |
| 39 |
< |
_logger = logger; |
| 40 |
< |
_ncRef = ncRef; |
| 41 |
< |
_configManager = configManager; |
| 47 |
< |
_port = port; |
| 38 |
> |
public HostListener() { |
| 39 |
> |
// set the Thread name |
| 40 |
> |
setName("filtermanager.HostListener"); |
| 41 |
> |
|
| 42 |
|
_logger.write(toString(), Logger.SYSINIT, "started"); |
| 43 |
|
} |
| 44 |
|
|
| 51 |
– |
|
| 52 |
– |
|
| 45 |
|
//---PUBLIC METHODS--- |
| 46 |
|
|
| 47 |
|
/** |
| 52 |
|
* and then passing them off to other processes to deal with. |
| 53 |
|
*/ |
| 54 |
|
public void run(){ |
| 55 |
< |
ServerSocket listenPort=null; |
| 55 |
> |
// get our ACL from the configuration |
| 56 |
> |
ACL acl = null; |
| 57 |
> |
try { |
| 58 |
> |
String stringACL = ConfigurationProxy.getInstance().getProperty("FilterManager", "FilterManager.ACL"); |
| 59 |
> |
acl = new ACL(stringACL); |
| 60 |
> |
} |
| 61 |
> |
catch(PropertyNotFoundException e) { |
| 62 |
> |
_logger.write(toString(), Logger.WARNING, "No ACL found for FilterManager: " + e); |
| 63 |
> |
} |
| 64 |
> |
|
| 65 |
> |
ServerSocket listenSocket=null; |
| 66 |
|
// We use this boolean so we can break out of the while loop if we want |
| 67 |
|
boolean run = true; |
| 68 |
|
try{ |
| 69 |
+ |
// Work out the port we want |
| 70 |
+ |
int listenPort = Integer.parseInt(ConfigurationProxy.getInstance().getProperty("FilterManager", "FilterManager.listenPort")); |
| 71 |
|
// Setup the ServerSocket so that clients can connect |
| 72 |
< |
listenPort = new ServerSocket(_port); |
| 73 |
< |
} |
| 74 |
< |
catch(IOException e){ |
| 75 |
< |
} |
| 76 |
< |
// Log what machine/port we're listening on |
| 77 |
< |
try{ |
| 78 |
< |
_logger.write(toString(), Logger.SYSMSG, "Server listening on " |
| 72 |
> |
// use an ACLServerSocket if we have an ACL |
| 73 |
> |
if(acl != null) { |
| 74 |
> |
listenSocket = new ACLServerSocket(acl, listenPort); |
| 75 |
> |
} |
| 76 |
> |
else { |
| 77 |
> |
listenSocket = new ServerSocket(listenPort); |
| 78 |
> |
} |
| 79 |
> |
_logger.write(toString(), Logger.SYSMSG, "Server listening on " |
| 80 |
|
+InetAddress.getLocalHost().getHostName() |
| 81 |
|
+"/"+InetAddress.getLocalHost().getHostAddress() |
| 82 |
< |
+" port "+listenPort.getLocalPort()); |
| 83 |
< |
} |
| 84 |
< |
catch(UnknownHostException e){ |
| 82 |
> |
+" port "+listenSocket.getLocalPort()); |
| 83 |
> |
|
| 84 |
> |
} |
| 85 |
> |
catch(UnknownHostException e){ |
| 86 |
|
_logger.write(toString(), Logger.SYSMSG, "Server listening on UnknownHost " |
| 87 |
< |
+"port "+listenPort.getLocalPort()); |
| 87 |
> |
+"port "+listenSocket.getLocalPort()); |
| 88 |
|
} |
| 89 |
+ |
catch(IOException e){ |
| 90 |
+ |
_logger.write(toString(), Logger.FATAL, "IO Error, can't start FilterManager :"+e); |
| 91 |
+ |
run = false; |
| 92 |
+ |
} |
| 93 |
+ |
catch(PropertyNotFoundException e){ |
| 94 |
+ |
_logger.write(toString(), Logger.FATAL, "Fatal Error, can't find config :"+e); |
| 95 |
+ |
run = false; |
| 96 |
+ |
} |
| 97 |
+ |
catch(NumberFormatException e){ |
| 98 |
+ |
_logger.write(toString(), Logger.FATAL, "Invalid port configuration found :"+e); |
| 99 |
+ |
run = false; |
| 100 |
+ |
} |
| 101 |
+ |
|
| 102 |
|
// Loop round constantly until we decide to stop |
| 103 |
|
while(run){ |
| 104 |
|
Socket hostSocket=null; |
| 105 |
|
try{ |
| 106 |
|
_logger.write(toString(), Logger.SYSMSG, "Waiting for Connection"); |
| 107 |
|
// This will block until a host connects - at which point we get a Socket |
| 108 |
< |
hostSocket = listenPort.accept(); |
| 108 |
> |
hostSocket = listenSocket.accept(); |
| 109 |
|
_logger.write(toString(), Logger.SYSMSG, "Connection accepted from: " + hostSocket.toString()); |
| 110 |
|
} |
| 111 |
|
catch(IOException e){ |
| 116 |
|
if(run){ |
| 117 |
|
try { |
| 118 |
|
// Setup the HostInit so it can carry on communications with the host |
| 119 |
< |
HostInit init = new HostInit(hostSocket, _configManager, _logger, _ncRef); |
| 119 |
> |
HostInit init = new HostInit(hostSocket); |
| 120 |
|
// and start it |
| 121 |
|
init.start(); |
| 122 |
|
} catch (IOException e) { |
| 132 |
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
| 133 |
|
* method to provide clean logging (every class should have this). |
| 134 |
|
* |
| 135 |
+ |
* This uses the uk.org.iscream.cms.server.util.NameFormat class |
| 136 |
+ |
* to format the toString() |
| 137 |
+ |
* |
| 138 |
|
* @return the name of this class and its CVS revision |
| 139 |
|
*/ |
| 140 |
|
public String toString() { |
| 141 |
< |
return this.getClass().getName() + "(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
| 141 |
> |
return FormatName.getName( |
| 142 |
> |
_name, |
| 143 |
> |
this.getClass().getName(), |
| 144 |
> |
REVISION); |
| 145 |
|
} |
| 146 |
|
|
| 147 |
|
//---PRIVATE METHODS--- |
| 151 |
|
//---ATTRIBUTES--- |
| 152 |
|
|
| 153 |
|
/** |
| 154 |
< |
* A reference to the logger the system is using |
| 154 |
> |
* This holds a reference to the |
| 155 |
> |
* system logger that is being used. |
| 156 |
|
*/ |
| 157 |
< |
Logger _logger; |
| 157 |
> |
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
| 158 |
|
|
| 159 |
|
/** |
| 160 |
< |
* A reference to the configurator the system is using |
| 160 |
> |
* This is the friendly identifier of the |
| 161 |
> |
* component this class is running in. |
| 162 |
> |
* eg, a Filter may be called "filter1", |
| 163 |
> |
* If this class does not have an owning |
| 164 |
> |
* component, a name from the configuration |
| 165 |
> |
* can be placed here. This name could also |
| 166 |
> |
* be changed to null for utility classes. |
| 167 |
|
*/ |
| 168 |
< |
ConfigurationManager _configManager; |
| 137 |
< |
|
| 138 |
< |
/** |
| 139 |
< |
* The port on which the server should listen. |
| 140 |
< |
*/ |
| 141 |
< |
private int _port; |
| 142 |
< |
|
| 143 |
< |
private NamingContextExt _ncRef; |
| 168 |
> |
private String _name = FilterManager.NAME; |
| 169 |
|
|
| 170 |
|
//---STATIC ATTRIBUTES--- |
| 171 |
|
|
