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persist the local router's info @ netDb/my.info in addition to under netDb/routerInfo-$hash.dat

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this makes it easy for harvesting with simulations
This commit is contained in:
jrandom
2004-06-20 00:11:23 +00:00
committed by zzz
parent e401670087
commit 52384fb3a5
1 changed files with 33 additions and 0 deletions
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33
router/java/src/net/i2p/router/networkdb/kademlia/KademliaNetworkDatabaseFacade.java
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@@ -16,6 +16,7 @@ import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import net.i2p.data.DataFormatException;
import net.i2p.data.DataStructure;
import net.i2p.data.Hash;
import net.i2p.data.Lease;
@@ -34,6 +35,10 @@ import net.i2p.router.networkdb.DatabaseStoreMessageHandler;
import net.i2p.router.networkdb.PublishLocalRouterInfoJob;
import net.i2p.util.Log;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.File;
/**
* Kademlia based version of the network database
*
@@ -42,6 +47,8 @@ public class KademliaNetworkDatabaseFacade extends NetworkDatabaseFacade {
private Log _log;
private KBucketSet _kb; // peer hashes sorted into kbuckets, but within kbuckets, unsorted
private DataStore _ds; // hash to DataStructure mapping, persisted when necessary
/** where the data store is pushing the data */
private String _dbDir;
private Set _explicitSendKeys; // set of Hash objects that should be published ASAP
private Set _passiveSendKeys; // set of Hash objects that should be published when there's time
private Set _exploreKeys; // set of Hash objects that we should search on (to fill up a bucket, not to get data)
@@ -189,6 +196,7 @@ public class KademliaNetworkDatabaseFacade extends NetworkDatabaseFacade {
_passiveSendKeys = new HashSet(64);
_exploreKeys = new HashSet(64);
_lastSent = new HashMap(1024);
_dbDir = dbDir;
_context.inNetMessagePool().registerHandlerJobBuilder(DatabaseLookupMessage.MESSAGE_TYPE, new DatabaseLookupMessageHandler(_context));
_context.inNetMessagePool().registerHandlerJobBuilder(DatabaseStoreMessage.MESSAGE_TYPE, new DatabaseStoreMessageHandler(_context));
@@ -367,6 +375,31 @@ public class KademliaNetworkDatabaseFacade extends NetworkDatabaseFacade {
synchronized (_explicitSendKeys) {
_explicitSendKeys.add(h);
}
writeMyInfo(localRouterInfo);
}
/**
* Persist the local router's info (as updated) into netDb/my.info, since
* ./router.info isn't always updated. This also allows external applications
* to easily pick out which router a netDb directory is rooted off, which is handy
* for getting the freshest data.
*
*/
private final void writeMyInfo(RouterInfo info) {
FileOutputStream fos = null;
try {
fos = new FileOutputStream(new File(new File(_dbDir), "my.info"));
info.writeBytes(fos);
fos.close();
} catch (IOException ioe) {
if (_log.shouldLog(Log.ERROR))
_log.error("Unable to persist my.info?!", ioe);
} catch (DataFormatException dfe) {
if (_log.shouldLog(Log.ERROR))
_log.error("Error persisting my.info - our structure isn't valid?!", dfe);
} finally {
if (fos != null) try { fos.close(); } catch (IOException ioe) {}
}
}
public LeaseSet store(Hash key, LeaseSet leaseSet) {