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Locking.

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This commit is contained in:
akwizgran
2011-10-14 21:37:55 +01:00
parent 0d11553134
commit cb06ebc5d2
1 changed files with 9 additions and 5 deletions
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14
components/net/sf/briar/transport/stream/OutgoingStreamConnection.java
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@@ -18,7 +18,7 @@ public class OutgoingStreamConnection extends StreamConnection {
private final TransportId transportId;
private long connectionNum = -1L;
private long connectionNum = -1L; // Locking: this
OutgoingStreamConnection(ConnectionReaderFactory connReaderFactory,
ConnectionWriterFactory connWriterFactory, DatabaseComponent db,
@@ -33,8 +33,10 @@ public class OutgoingStreamConnection extends StreamConnection {
@Override
protected ConnectionReader createConnectionReader() throws DbException,
IOException {
if(connectionNum == -1L)
connectionNum = db.getConnectionNumber(contactId, transportId);
synchronized(this) {
if(connectionNum == -1L)
connectionNum = db.getConnectionNumber(contactId, transportId);
}
byte[] secret = db.getSharedSecret(contactId);
return connReaderFactory.createConnectionReader(
connection.getInputStream(), false, transportId, connectionNum,
@@ -44,8 +46,10 @@ public class OutgoingStreamConnection extends StreamConnection {
@Override
protected ConnectionWriter createConnectionWriter() throws DbException,
IOException {
if(connectionNum == -1L)
connectionNum = db.getConnectionNumber(contactId, transportId);
synchronized(this) {
if(connectionNum == -1L)
connectionNum = db.getConnectionNumber(contactId, transportId);
}
byte[] secret = db.getSharedSecret(contactId);
return connWriterFactory.createConnectionWriter(
connection.getOutputStream(), Long.MAX_VALUE, true, transportId,