Mercurial > hg > blitz_condensed
annotate src/org/dancres/blitz/stats/HostStat.java @ 34:6f68e94c1fb8 default tip
Add CondensedStats monitoring utility, equivalent to vmstat
author | Dominic Cleal <dominic-cleal@cdo2.com> |
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date | Thu, 05 Aug 2010 11:07:25 +0100 |
parents | 3dc0c5604566 |
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1 package org.dancres.blitz.stats; |
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2 |
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3 import java.net.InetAddress; |
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4 import java.net.NetworkInterface; |
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5 |
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6 import java.util.ArrayList; |
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7 import java.util.Enumeration; |
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8 |
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9 /** |
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10 <p>Provides information about the host on which this Blitz instance is |
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11 running.</p> |
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12 */ |
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13 public class HostStat implements Stat, StatGenerator { |
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14 private long theId = StatGenerator.UNSET_ID; |
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15 |
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16 private InetAddress[] theHostAddrs; |
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17 private InetAddress theHostAddr; |
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18 |
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19 HostStat() { |
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20 try { |
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21 ArrayList myAllAddrs = new ArrayList(); |
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22 |
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23 Enumeration myIfs = NetworkInterface.getNetworkInterfaces(); |
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24 |
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25 while(myIfs.hasMoreElements()) { |
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26 NetworkInterface myIf = (NetworkInterface) myIfs.nextElement(); |
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27 |
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28 Enumeration myAddrs = myIf.getInetAddresses(); |
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29 while (myAddrs.hasMoreElements()) { |
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30 InetAddress myAddr = (InetAddress) myAddrs.nextElement(); |
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31 |
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32 myAllAddrs.add(myAddr); |
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33 } |
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34 } |
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35 |
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36 theHostAddrs = new InetAddress[myAllAddrs.size()]; |
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37 theHostAddrs = (InetAddress[]) myAllAddrs.toArray(theHostAddrs); |
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38 |
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39 theHostAddr = InetAddress.getLocalHost(); |
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40 } catch (Exception anE) { |
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41 // Nothing to be done.... |
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42 } |
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43 } |
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44 |
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45 HostStat(long anId, InetAddress anAddr, InetAddress[] anAddrs) { |
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46 theId = anId; |
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47 theHostAddr = anAddr; |
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48 theHostAddrs = anAddrs; |
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49 } |
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50 |
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51 public void setId(long anId) { |
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52 theId = anId; |
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53 } |
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54 |
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55 public long getId() { |
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56 return theId; |
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57 } |
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58 |
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59 public InetAddress getHostAddr() { |
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60 return theHostAddr; |
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61 } |
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62 |
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63 public InetAddress[] getAllAddr() { |
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64 return theHostAddrs; |
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65 } |
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66 |
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67 public synchronized Stat generate() { |
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68 HostStat myStat = new HostStat(theId, |
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69 theHostAddr, |
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70 theHostAddrs); |
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71 return myStat; |
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72 } |
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73 |
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74 public String toString() { |
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75 return theHostAddr.getHostName() + "[" + |
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76 theHostAddr.getHostAddress() + "]"; |
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77 } |
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78 } |