private synchronized void connectIfNecessary() {
if (server == null || delegate.isConnected()) {
return;
}
try {
delegate.connect(server, connectionTimeout);
} catch (IOException e) {
LOGGER.warn("Auto-reconnect failed", e);
}
}
@Override
public synchronized void connect(InetSocketAddress addr, long timeout) throws IOException {
this.server = addr;
this.connectionTimeout = timeout;
delegate.connect(addr, timeout);
}
@Override
public Long send(SocketManager socketManager) throws IOException {
String response = socketManager.sendAndWait(getMessage());
try {
return Long.parseLong(response);
} catch (NumberFormatException e) {
/*
* If unable to determine uptime, the string "Could not determine uptime." is
* returned.
*/
return -1l;
}
}
@Override
public String sendAndWait(String message) throws IOException {
connectIfNecessary();
return delegate.sendAndWait(message);
}
@Override
public void send(String message) throws IOException {
connectIfNecessary();
delegate.send(message);
}
@Override
public synchronized void disconnect() {
this.server = null;
delegate.disconnect();
}
@Override
public SocketManager newConnection() throws IOException {
connectIfNecessary();
return delegate.newConnection();
}
@Override
public InetSocketAddress getConnectedAddress() {
connectIfNecessary();
return delegate.getConnectedAddress();
}
@Override
public boolean isConnected() {
connectIfNecessary();
return delegate.isConnected();
}
@Override
public long getDefaultMessageTimeout(TimeUnit unit) {
return delegate.getDefaultMessageTimeout(unit);
}
@Override
public void setDefaultMessageTimeout(long time, TimeUnit unit) {
delegate.setDefaultMessageTimeout(time, unit);
}
@Override
public void setInterceptor(Interceptor interceptor) {
delegate.setInterceptor(interceptor);
}
@Override
public ByteChannel redirectChannel() {
connectIfNecessary();
return delegate.redirectChannel();
}
@Override
public String sendAndWait(String message, long timeout, TimeUnit unit) throws IOException {
connectIfNecessary();
return delegate.sendAndWait(message, timeout, unit);
}
@Override
public List<Channel> send(SocketManager socketManager) throws IOException {
String response = socketManager.sendAndWait(getMessage());
return Control0_24Utils.parseChannels(response);
}