@Override
public void close() {
RuntimeException closeError = null;
if (transferList != null) {
synchronized (this) {
for (Transfer transfer : transferList) {
try {
traceOperation("SESSION_CLOSE", 0);
transfer.writeInt(SessionRemote.SESSION_CLOSE);
done(transfer);
transfer.close();
} catch (RuntimeException e) {
trace.error(e, "close");
closeError = e;
} catch (Exception e) {
trace.error(e, "close");
}
}
}
transferList = null;
}
traceSystem.close();
if (embedded != null) {
embedded.close();
embedded = null;
}
if (closeError != null) {
throw closeError;
}
}
/** Close a connection. */
void close() {
try {
stop = true;
closeSession();
} catch (Exception e) {
server.traceError(e);
} finally {
transfer.close();
trace("Close");
server.remove(this);
}
}
/**
* Cancel the statement with the given id.
*
* @param id the statement id
*/
public void cancelStatement(int id) {
for (Transfer transfer : transferList) {
try {
Transfer trans = transfer.openNewConnection();
trans.init();
trans.writeInt(clientVersion);
trans.writeInt(clientVersion);
trans.writeString(null);
trans.writeString(null);
trans.writeString(sessionId);
trans.writeInt(SessionRemote.SESSION_CANCEL_STATEMENT);
trans.writeInt(id);
trans.close();
} catch (IOException e) {
trace.debug(e, "could not cancel statement");
}
}
}
private Transfer initTransfer(ConnectionInfo ci, String db, String server) throws IOException {
Socket socket = NetUtils.createSocket(server, Constants.DEFAULT_TCP_PORT, ci.isSSL());
Transfer trans = new Transfer(this);
trans.setSocket(socket);
trans.setSSL(ci.isSSL());
trans.init();
trans.writeInt(Constants.TCP_PROTOCOL_VERSION_6);
trans.writeInt(Constants.TCP_PROTOCOL_VERSION_15);
trans.writeString(db);
trans.writeString(ci.getOriginalURL());
trans.writeString(ci.getUserName());
trans.writeBytes(ci.getUserPasswordHash());
trans.writeBytes(ci.getFilePasswordHash());
String[] keys = ci.getKeys();
trans.writeInt(keys.length);
for (String key : keys) {
trans.writeString(key).writeString(ci.getProperty(key));
}
try {
done(trans);
clientVersion = trans.readInt();
trans.setVersion(clientVersion);
if (clientVersion >= Constants.TCP_PROTOCOL_VERSION_14) {
if (ci.getFileEncryptionKey() != null) {
trans.writeBytes(ci.getFileEncryptionKey());
}
}
trans.writeInt(SessionRemote.SESSION_SET_ID);
trans.writeString(sessionId);
done(trans);
if (clientVersion >= Constants.TCP_PROTOCOL_VERSION_15) {
autoCommit = trans.readBoolean();
} else {
autoCommit = true;
}
return trans;
} catch (DbException e) {
trans.close();
throw e;
}
}