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DatabaseComponent throws an exception instead of returning silently if a contact is removed during an operation involving that contact. More unit tests.

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This commit is contained in:
akwizgran
2011-07-05 18:15:44 +01:00
parent 13b3d4cc03
commit 5d768a5718
14 changed files with 282 additions and 134 deletions
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24
components/net/sf/briar/db/ReadWriteLockDatabaseComponent.java
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@@ -7,8 +7,9 @@ import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.logging.Level;
import java.util.logging.Logger;
import net.sf.briar.api.db.DbException;
import net.sf.briar.api.db.ContactId;
import net.sf.briar.api.db.DbException;
import net.sf.briar.api.db.NoSuchContactException;
import net.sf.briar.api.db.Rating;
import net.sf.briar.api.protocol.AuthorId;
import net.sf.briar.api.protocol.Batch;
@@ -120,7 +121,10 @@ class ReadWriteLockDatabaseComponent<Txn> extends DatabaseComponentImpl<Txn> {
// unsubscribed from the group
if(db.containsSubscription(txn, m.getGroup())) {
boolean added = storeMessage(txn, m, null);
assert added;
if(!added) {
if(LOG.isLoggable(Level.FINE))
LOG.fine("Duplicate local message");
}
} else {
if(LOG.isLoggable(Level.FINE))
LOG.fine("Not subscribed");
@@ -177,7 +181,7 @@ class ReadWriteLockDatabaseComponent<Txn> extends DatabaseComponentImpl<Txn> {
// Ack all batches received from c
contactLock.readLock().lock();
try {
if(!containsContact(c)) return;
if(!containsContact(c)) throw new NoSuchContactException();
messageStatusLock.writeLock().lock();
try {
Txn txn = db.startTransaction();
@@ -203,7 +207,7 @@ class ReadWriteLockDatabaseComponent<Txn> extends DatabaseComponentImpl<Txn> {
// Add a list of subscriptions
contactLock.readLock().lock();
try {
if(!containsContact(c)) return;
if(!containsContact(c)) throw new NoSuchContactException();
subscriptionLock.readLock().lock();
try {
Txn txn = db.startTransaction();
@@ -246,7 +250,7 @@ class ReadWriteLockDatabaseComponent<Txn> extends DatabaseComponentImpl<Txn> {
private Batch fillBatch(ContactId c, long capacity) throws DbException {
contactLock.readLock().lock();
try {
if(!containsContact(c)) return null;
if(!containsContact(c)) throw new NoSuchContactException();
messageLock.readLock().lock();
try {
Set<MessageId> sent;
@@ -344,7 +348,7 @@ class ReadWriteLockDatabaseComponent<Txn> extends DatabaseComponentImpl<Txn> {
// Mark all messages in acked batches as seen
contactLock.readLock().lock();
try {
if(!containsContact(c)) return;
if(!containsContact(c)) throw new NoSuchContactException();
messageLock.readLock().lock();
try {
messageStatusLock.writeLock().lock();
@@ -375,7 +379,7 @@ class ReadWriteLockDatabaseComponent<Txn> extends DatabaseComponentImpl<Txn> {
// Update the contact's subscriptions
contactLock.readLock().lock();
try {
if(!containsContact(c)) return;
if(!containsContact(c)) throw new NoSuchContactException();
messageStatusLock.writeLock().lock();
try {
Txn txn = db.startTransaction();
@@ -406,7 +410,7 @@ class ReadWriteLockDatabaseComponent<Txn> extends DatabaseComponentImpl<Txn> {
waitForPermissionToWrite();
contactLock.readLock().lock();
try {
if(!containsContact(c)) return;
if(!containsContact(c)) throw new NoSuchContactException();
messageLock.writeLock().lock();
try {
messageStatusLock.writeLock().lock();
@@ -451,7 +455,7 @@ class ReadWriteLockDatabaseComponent<Txn> extends DatabaseComponentImpl<Txn> {
Set<BatchId> lost;
contactLock.readLock().lock();
try {
if(!containsContact(c)) return;
if(!containsContact(c)) throw new NoSuchContactException();
messageLock.readLock().lock();
try {
messageStatusLock.writeLock().lock();
@@ -476,7 +480,7 @@ class ReadWriteLockDatabaseComponent<Txn> extends DatabaseComponentImpl<Txn> {
for(BatchId batch : lost) {
contactLock.readLock().lock();
try {
if(!containsContact(c)) return;
if(!containsContact(c)) throw new NoSuchContactException();
messageLock.readLock().lock();
try {
messageStatusLock.writeLock().lock();