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Check for duplicate keys when updating maps.

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This commit is contained in:
akwizgran
2012-10-24 23:39:12 +01:00
parent 1b8478df84
commit e78b94b815
1 changed files with 13 additions and 7 deletions
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20
components/net/sf/briar/transport/KeyManagerImpl.java
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@@ -89,7 +89,6 @@ class KeyManagerImpl extends TimerTask implements KeyManager, DatabaseListener {
}
// Assigns secrets to the appropriate maps and returns any dead secrets
// FIXME: Check there are no duplicate keys when updating maps
private Collection<TemporarySecret> assignSecretsToMaps(long now,
Collection<TemporarySecret> secrets) {
Collection<TemporarySecret> dead = new ArrayList<TemporarySecret>();
@@ -101,18 +100,25 @@ class KeyManagerImpl extends TimerTask implements KeyManager, DatabaseListener {
long successorCreationTime = creationTime + rotationPeriod;
long deactivationTime = activationTime + rotationPeriod;
long destructionTime = successorCreationTime + rotationPeriod;
TemporarySecret dupe; // There should not be any duplicate keys
if(now >= destructionTime) {
dead.add(s);
} else if(now >= deactivationTime) {
incomingOld.put(k, s);
dupe = incomingOld.put(k, s);
if(dupe != null) throw new IllegalStateException();
} else if(now >= successorCreationTime) {
incomingOld.put(k, s);
outgoing.put(k, s);
dupe = incomingOld.put(k, s);
if(dupe != null) throw new IllegalStateException();
dupe = outgoing.put(k, s);
if(dupe != null) throw new IllegalStateException();
} else if(now >= activationTime) {
incomingNew.put(k, s);
outgoing.put(k, s);
dupe = incomingNew.put(k, s);
if(dupe != null) throw new IllegalStateException();
dupe = outgoing.put(k, s);
if(dupe != null) throw new IllegalStateException();
} else if(now >= creationTime) {
incomingNew.put(k, s);
dupe = incomingNew.put(k, s);
if(dupe != null) throw new IllegalStateException();
} else {
// FIXME: What should we do if the clock moves backwards?
throw new IllegalStateException();