| 20 |
|
|
| 21 |
|
/** |
| 22 |
|
* Constructor for the class. Takes in the hostname and port number |
| 23 |
< |
* of the Configuration Manager. |
| 23 |
> |
* of the Filter Manager. |
| 24 |
|
* |
| 25 |
|
*/ |
| 26 |
|
public JavaHost( String serverName, int port ){ |
| 27 |
< |
// create a connection to the configurator |
| 27 |
> |
// create a connection to the filter manager |
| 28 |
> |
System.out.println("Creating connection with Filter Manager"); |
| 29 |
|
Config config = new Config(serverName, port); |
| 30 |
|
// the config class knows what values it wants to get from |
| 31 |
< |
// the configurator |
| 31 |
> |
// the configuration system |
| 32 |
|
|
| 33 |
< |
// create a SystemMonitor object and pass the confifurator |
| 33 |
> |
// create a SystemMonitor object and pass the config |
| 34 |
|
// as a param so it knows what to do! |
| 35 |
+ |
System.out.println("Creating System Monitor"); |
| 36 |
|
SystemMonitor sysMon = new SystemMonitor(config); |
| 37 |
|
|
| 38 |
+ |
try { |
| 39 |
+ |
udpcheckInterval = Long.parseLong(config.getProperty("UDPUpdateTime")) * 1000; |
| 40 |
+ |
System.out.println("Configured UDPUpdateTime"); |
| 41 |
+ |
} |
| 42 |
+ |
catch ( NumberFormatException e ){ |
| 43 |
+ |
System.out.println("The value for UDPUpdateTime is invalid, using a default"); |
| 44 |
+ |
// 1 mins |
| 45 |
+ |
udpcheckInterval = 1000 * 60; // 1 minute |
| 46 |
+ |
} |
| 47 |
+ |
|
| 48 |
+ |
try { |
| 49 |
+ |
tcpcheckInterval = Long.parseLong(config.getProperty("TCPUpdateTime")) * 1000; |
| 50 |
+ |
System.out.println("Configured TCPUpdateTime"); |
| 51 |
+ |
} |
| 52 |
+ |
catch ( NumberFormatException e ){ |
| 53 |
+ |
System.out.println("The value for UDPUpdateTime is invalid, using a default"); |
| 54 |
+ |
// 10 mins |
| 55 |
+ |
tcpcheckInterval = 10000 * 60; // 5 minutes |
| 56 |
+ |
} |
| 57 |
+ |
|
| 58 |
+ |
// the current time.. |
| 59 |
+ |
long currentTime = System.currentTimeMillis(); |
| 60 |
+ |
long nextUDP = currentTime + udpcheckInterval; |
| 61 |
+ |
long nextTCP = currentTime + tcpcheckInterval; |
| 62 |
+ |
|
| 63 |
|
while ( true ){ |
| 64 |
+ |
currentTime = System.currentTimeMillis(); |
| 65 |
|
// keep going for ever and ever ;) |
| 66 |
< |
// send a udp packet to the filter declared in config |
| 67 |
< |
// send it the xml packet created by getInfo() |
| 68 |
< |
LowLevelNet.sendUDPPacket(config, sysMon.getInfo()); |
| 69 |
< |
} |
| 66 |
> |
|
| 67 |
> |
if ( nextTCP < nextUDP ){ |
| 68 |
> |
try { |
| 69 |
> |
long sleeptime = nextTCP - currentTime; |
| 70 |
> |
if ( sleeptime > 0 ){ |
| 71 |
> |
Thread.sleep(sleeptime); |
| 72 |
> |
} |
| 73 |
> |
nextTCP += tcpcheckInterval; |
| 74 |
> |
// send a heartbeat |
| 75 |
> |
//System.out.println("Sending Heartbeat"); |
| 76 |
> |
System.out.print("+"); |
| 77 |
> |
config.sendHeartBeat(); |
| 78 |
> |
if ( config.reloadConfig() ){ |
| 79 |
> |
System.out.println("\nRestarting System"); |
| 80 |
> |
break; |
| 81 |
> |
} |
| 82 |
> |
} |
| 83 |
> |
catch ( InterruptedException e ){ |
| 84 |
> |
// do nothing |
| 85 |
> |
} |
| 86 |
> |
} |
| 87 |
> |
else { |
| 88 |
> |
try { |
| 89 |
> |
long sleeptime = nextUDP - currentTime; |
| 90 |
> |
if ( sleeptime > 0 ){ |
| 91 |
> |
Thread.sleep(sleeptime); |
| 92 |
> |
} |
| 93 |
> |
nextUDP += udpcheckInterval; |
| 94 |
> |
// send a heartbeat |
| 95 |
> |
//System.out.println("Sending UDP Packet"); |
| 96 |
> |
System.out.print("."); |
| 97 |
> |
LowLevelNet.sendUDPPacket(config, sysMon.getInfo()); |
| 98 |
> |
|
| 99 |
> |
} |
| 100 |
> |
catch ( InterruptedException e ){ |
| 101 |
> |
// do nothing |
| 102 |
> |
} |
| 103 |
> |
} |
| 104 |
> |
|
| 105 |
> |
|
| 106 |
> |
|
| 107 |
> |
} // while |
| 108 |
|
|
| 109 |
+ |
|
| 110 |
|
} // public javahost |
| 111 |
|
|
| 112 |
|
|
| 117 |
|
//---ACCESSOR/MUTATOR METHODS--- |
| 118 |
|
|
| 119 |
|
//---ATTRIBUTES--- |
| 120 |
+ |
|
| 121 |
+ |
private long udpcheckInterval; |
| 122 |
+ |
private long tcpcheckInterval; |
| 123 |
+ |
private final long defaultUpdateTime = 60000; |
| 124 |
+ |
|
| 125 |
|
|
| 126 |
|
//---STATIC ATTRIBUTES--- |
| 127 |
|
|
| 128 |
< |
} // class |
| 128 |
> |
} // class |
