private void connectRetry(ConnectResultListener listener) {
_log.info("connecting: " + _server.toSimpleString());
if (isClosingOrClosed()) {
listener.onConnectFailure(new ClosedChannelException());
return;
} else if (!isConnecting()) {
listener.onConnectFailure(new RuntimeException("unable to connect"));
} else {
// ChannelFuture future = _bootstrap.connect(_server.getAddress());
// future.addListener(new MyConnectListener(listener));
_handler.reset(); // reset state to make sure new connection starts with a blank Handler state
_handler.setConnectionListener(new AbstractNettyConnectListener(listener));
_bootstrap.connect(_server.getAddress());
}
}
private static boolean canServe(ServerInfo s, Collection<String> sources) {
List<String> supportedSources = s.getSources();
for (String src : sources) {
if (!supportedSources.contains(src)) return false;
}
return true;
}
/**
* Creates an empty HttpRequest object with pre-filled standard headers
*
* @param uriString the request URL
* @return the request object
*/
protected HttpRequest createEmptyRequest(String uriString) {
HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, uriString);
request.setHeader(HttpHeaders.Names.HOST, _server.getAddress().toString());
request.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
request.setHeader(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP);
String hostHdr = DbusHttpUtils.getLocalHostName();
String svcHdr = DbusConstants.getServiceIdentifier();
if (!hostHdr.isEmpty()) {
request.setHeader(DatabusHttpHeaders.DBUS_CLIENT_HOST_HDR, hostHdr);
}
if (!svcHdr.isEmpty()) {
request.setHeader(DatabusHttpHeaders.DBUS_CLIENT_SERVICE_HDR, svcHdr);
}
return request;
}
/** Closes the connection. Note: this method will block until the connection is actually closed */
@Override
public void close() {
_log.info("closing connection to: " + _server.getAddress());
final State newState = switchToClosing();
if (State.CLOSING != newState && State.CLOSED != newState) {
return;
}
if (null == _channel || !_channel.isConnected()) {
switchToClosed();
} else {
_channel.close();
awaitForCloseUninterruptibly();
}
}
