Remove raw messages from DB interface.

This commit is contained in:
akwizgran
2018-08-24 16:47:53 +01:00
parent 5626f3d761
commit 48933637d8
10 changed files with 49 additions and 92 deletions

View File

@@ -474,15 +474,6 @@ interface Database<T> {
*/
long getNextSendTime(T txn, ContactId c) throws DbException;
/**
* Returns the message with the given ID, in serialised form.
* <p/>
* Read-only.
*
* @throws MessageDeletedException if the message has been deleted
*/
byte[] getRawMessage(T txn, MessageId m) throws DbException;
/**
* Returns the IDs of some messages that are eligible to be sent to the
* given contact and have been requested by the contact, up to the given

View File

@@ -307,16 +307,16 @@ class DatabaseComponentImpl<T> implements DatabaseComponent {
@Nullable
@Override
public Collection<byte[]> generateBatch(Transaction transaction,
public Collection<Message> generateBatch(Transaction transaction,
ContactId c, int maxLength, int maxLatency) throws DbException {
if (transaction.isReadOnly()) throw new IllegalArgumentException();
T txn = unbox(transaction);
if (!db.containsContact(txn, c))
throw new NoSuchContactException();
Collection<MessageId> ids = db.getMessagesToSend(txn, c, maxLength);
List<byte[]> messages = new ArrayList<>(ids.size());
List<Message> messages = new ArrayList<>(ids.size());
for (MessageId m : ids) {
messages.add(db.getRawMessage(txn, m));
messages.add(db.getMessage(txn, m));
db.updateExpiryTime(txn, c, m, maxLatency);
}
if (ids.isEmpty()) return null;
@@ -356,7 +356,7 @@ class DatabaseComponentImpl<T> implements DatabaseComponent {
@Nullable
@Override
public Collection<byte[]> generateRequestedBatch(Transaction transaction,
public Collection<Message> generateRequestedBatch(Transaction transaction,
ContactId c, int maxLength, int maxLatency) throws DbException {
if (transaction.isReadOnly()) throw new IllegalArgumentException();
T txn = unbox(transaction);
@@ -364,9 +364,9 @@ class DatabaseComponentImpl<T> implements DatabaseComponent {
throw new NoSuchContactException();
Collection<MessageId> ids = db.getRequestedMessagesToSend(txn, c,
maxLength);
List<byte[]> messages = new ArrayList<>(ids.size());
List<Message> messages = new ArrayList<>(ids.size());
for (MessageId m : ids) {
messages.add(db.getRawMessage(txn, m));
messages.add(db.getMessage(txn, m));
db.updateExpiryTime(txn, c, m, maxLatency);
}
if (ids.isEmpty()) return null;

View File

@@ -2045,30 +2045,6 @@ abstract class JdbcDatabase implements Database<Connection> {
}
}
@Override
public byte[] getRawMessage(Connection txn, MessageId m)
throws DbException {
PreparedStatement ps = null;
ResultSet rs = null;
try {
String sql = "SELECT raw FROM messages WHERE messageId = ?";
ps = txn.prepareStatement(sql);
ps.setBytes(1, m.getBytes());
rs = ps.executeQuery();
if (!rs.next()) throw new DbStateException();
byte[] raw = rs.getBytes(1);
if (rs.next()) throw new DbStateException();
rs.close();
ps.close();
if (raw == null) throw new MessageDeletedException();
return raw;
} catch (SQLException e) {
tryToClose(rs);
tryToClose(ps);
throw new DbException(e);
}
}
@Override
public Collection<MessageId> getRequestedMessagesToSend(Connection txn,
ContactId c, int maxLength) throws DbException {

View File

@@ -13,6 +13,7 @@ import org.briarproject.bramble.api.lifecycle.IoExecutor;
import org.briarproject.bramble.api.lifecycle.event.LifecycleEvent;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.sync.Ack;
import org.briarproject.bramble.api.sync.Message;
import org.briarproject.bramble.api.sync.Offer;
import org.briarproject.bramble.api.sync.Request;
import org.briarproject.bramble.api.sync.SyncRecordWriter;
@@ -274,7 +275,7 @@ class DuplexOutgoingSession implements SyncSession, EventListener {
if (!generateBatchQueued.getAndSet(false))
throw new AssertionError();
try {
Collection<byte[]> b;
Collection<Message> b;
Transaction txn = db.startTransaction(false);
try {
b = db.generateRequestedBatch(txn, contactId,
@@ -296,9 +297,9 @@ class DuplexOutgoingSession implements SyncSession, EventListener {
private class WriteBatch implements ThrowingRunnable<IOException> {
private final Collection<byte[]> batch;
private final Collection<Message> batch;
private WriteBatch(Collection<byte[]> batch) {
private WriteBatch(Collection<Message> batch) {
this.batch = batch;
}
@@ -306,7 +307,7 @@ class DuplexOutgoingSession implements SyncSession, EventListener {
@Override
public void run() throws IOException {
if (interrupted) return;
for (byte[] raw : batch) recordWriter.writeMessage(raw);
for (Message m : batch) recordWriter.writeMessage(m.getRaw());
LOG.info("Sent batch");
generateBatch();
}

View File

@@ -13,6 +13,7 @@ import org.briarproject.bramble.api.lifecycle.IoExecutor;
import org.briarproject.bramble.api.lifecycle.event.LifecycleEvent;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.sync.Ack;
import org.briarproject.bramble.api.sync.Message;
import org.briarproject.bramble.api.sync.SyncRecordWriter;
import org.briarproject.bramble.api.sync.SyncSession;
import org.briarproject.bramble.api.transport.StreamWriter;
@@ -171,7 +172,7 @@ class SimplexOutgoingSession implements SyncSession, EventListener {
public void run() {
if (interrupted) return;
try {
Collection<byte[]> b;
Collection<Message> b;
Transaction txn = db.startTransaction(false);
try {
b = db.generateBatch(txn, contactId,
@@ -193,9 +194,9 @@ class SimplexOutgoingSession implements SyncSession, EventListener {
private class WriteBatch implements ThrowingRunnable<IOException> {
private final Collection<byte[]> batch;
private final Collection<Message> batch;
private WriteBatch(Collection<byte[]> batch) {
private WriteBatch(Collection<Message> batch) {
this.batch = batch;
}
@@ -203,7 +204,7 @@ class SimplexOutgoingSession implements SyncSession, EventListener {
@Override
public void run() throws IOException {
if (interrupted) return;
for (byte[] raw : batch) recordWriter.writeMessage(raw);
for (Message m : batch) recordWriter.writeMessage(m.getRaw());
LOG.info("Sent batch");
dbExecutor.execute(new GenerateBatch());
}