00001 /* 00002 * Copyright (c) Sun Microsystems, Inc. 1998 All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions 00006 * are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 00011 * 2. Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * 00015 * 3. All advertising materials mentioning features or use of this software 00016 * must display the following acknowledgement: 00017 * This product includes software developed by Sun Microsystems, Inc. 00018 * 00019 * 4. The name of the Sun Microsystems, Inc nor may not be used to endorse or 00020 * promote products derived from this software without specific prior 00021 * written permission. 00022 * 00023 * SUN MICROSYSTEMS MERCHANTABILITY OF THIS SOFTWARE OR THE SUITABILITY OF THIS 00024 * SOFTWARE FOR ANY PARTICULAR PURPOSE. The software is provided "as is" 00025 * without express or implied warranty of any kind. 00026 * 00027 * These notices must be retained in any copies of any part of this software. 00028 */ 00029 00030 #ifndef ns_classifier_addr_h 00031 #define ns_classifier_addr_h 00032 00033 #include "config.h" 00034 #include "packet.h" 00035 #include "ip.h" 00036 #include "classifier.h" 00037 00038 #define BCAST_ADDR_MASK mask_ 00039 00040 class AddressClassifier : public Classifier { 00041 protected: 00042 virtual int classify(Packet * p); 00043 }; 00044 00045 /* addr. classifier that enforces reserved ports */ 00046 class ReserveAddressClassifier : public AddressClassifier { 00047 public: 00048 ReserveAddressClassifier() : AddressClassifier(), reserved_(0) {} 00049 protected: 00050 virtual int classify(Packet *p); 00051 virtual void clear(int slot); 00052 virtual int getnxt(NsObject *); 00053 virtual int command(int argc, const char*const* argv); 00054 int reserved_; 00055 }; 00056 00057 /* addr. classifier that supports limited broadcast */ 00058 class BcastAddressClassifier : public AddressClassifier { 00059 public: 00060 BcastAddressClassifier() : AddressClassifier(), bcast_recver_(0) {} 00061 NsObject *find(Packet *); 00062 protected: 00063 virtual int command(int argc, const char*const* argv); 00064 NsObject *bcast_recver_; 00065 }; 00066 00067 #endif
1.7.1