final ONetworkProtocolBinary p = (ONetworkProtocolBinary) c.protocol;
final OChannelBinary channel = (OChannelBinary) p.getChannel();
try {
channel.acquireWriteLock();
try {
channel.writeByte(OChannelBinaryProtocol.PUSH_DATA);
channel.writeInt(Integer.MIN_VALUE);
channel.writeByte(OChannelBinaryProtocol.REQUEST_PUSH_DISTRIB_CONFIG);
channel.writeBytes(content);