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Code Issues Projects Releases Wiki Activity

Use @GuardedBy annotation.

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This commit is contained in:
akwizgran
2019-05-06 15:53:42 +01:00
parent 7dc4dc566f
commit 1fd6d7a6d5
1 changed files with 10 additions and 6 deletions
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16
bramble-core/src/main/java/org/briarproject/bramble/transport/TransportKeyManagerImpl.java
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@@ -28,10 +28,12 @@ import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.locks.ReentrantLock;
import java.util.logging.Logger;
import javax.annotation.concurrent.GuardedBy;
import javax.annotation.concurrent.ThreadSafe;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.logging.Level.WARNING;
import static java.util.logging.Logger.getLogger;
import static org.briarproject.bramble.api.transport.TransportConstants.MAX_CLOCK_DIFFERENCE;
import static org.briarproject.bramble.api.transport.TransportConstants.PROTOCOL_VERSION;
import static org.briarproject.bramble.api.transport.TransportConstants.TAG_LENGTH;
@@ -43,7 +45,7 @@ import static org.briarproject.bramble.util.LogUtils.logException;
class TransportKeyManagerImpl implements TransportKeyManager {
private static final Logger LOG =
Logger.getLogger(TransportKeyManagerImpl.class.getName());
getLogger(TransportKeyManagerImpl.class.getName());
private final DatabaseComponent db;
private final TransportCrypto transportCrypto;
@@ -55,9 +57,11 @@ class TransportKeyManagerImpl implements TransportKeyManager {
private final AtomicBoolean used = new AtomicBoolean(false);
private final ReentrantLock lock = new ReentrantLock();
// The following are locking: lock
@GuardedBy("lock")
private final Map<KeySetId, MutableKeySet> keys = new HashMap<>();
@GuardedBy("lock")
private final Map<Bytes, TagContext> inContexts = new HashMap<>();
@GuardedBy("lock")
private final Map<ContactId, MutableKeySet> outContexts = new HashMap<>();
TransportKeyManagerImpl(DatabaseComponent db,
@@ -113,7 +117,7 @@ class TransportKeyManagerImpl implements TransportKeyManager {
return rotationResult;
}
// Locking: lock
@GuardedBy("lock")
private void addKeys(Collection<TransportKeySet> keys) {
for (TransportKeySet ks : keys) {
// TODO: Keys may be for a pending contact
@@ -122,7 +126,7 @@ class TransportKeyManagerImpl implements TransportKeyManager {
}
}
// Locking: lock
@GuardedBy("lock")
private void addKeys(KeySetId keySetId, ContactId contactId,
MutableTransportKeys m) {
MutableKeySet ks = new MutableKeySet(keySetId, contactId, m);
@@ -133,7 +137,7 @@ class TransportKeyManagerImpl implements TransportKeyManager {
considerReplacingOutgoingKeys(ks);
}
// Locking: lock
@GuardedBy("lock")
private void encodeTags(KeySetId keySetId, ContactId contactId,
MutableIncomingKeys inKeys) {
for (long streamNumber : inKeys.getWindow().getUnseen()) {
@@ -146,7 +150,7 @@ class TransportKeyManagerImpl implements TransportKeyManager {
}
}
// Locking: lock
@GuardedBy("lock")
private void considerReplacingOutgoingKeys(MutableKeySet ks) {
// Use the active outgoing keys with the highest key set ID
if (ks.getTransportKeys().getCurrentOutgoingKeys().isActive()) {