address.h
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上传日期:2015-12-11
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
- /*
- * Copyright (c) 1993-1997 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the Computer Systems
- * Engineering Group at Lawrence Berkeley Laboratory.
- * 4. Neither the name of the University nor of the Laboratory may be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #ifndef ns_addr_params
- #define ns_addr_params
- #include "config.h"
- class Address : public TclObject {
- public:
- static Address& instance() { return (*instance_); }
- Address();
- ~Address();
- char *print_nodeaddr(int address);
- char *print_portaddr(int address);
- char *get_subnetaddr(int address);
- int get_lastaddr(int address);
- int get_nodeaddr(int address);
- int str2addr(const char *str) const;
- int create_ipaddr(int nodeid, int portid);
- int hier_addr(int address, int level);
- inline int nodeshift() {return NodeShift_[levels_];}
- inline int nodemask() {return NodeMask_[levels_];}
- inline int set_word_field(int word, int field, int shift, int mask) const {
- return (((field & mask)<<shift) | ((~(mask << shift)) & word));
- }
- // bpl_ or bits per level,
- // e.g 32 for level=1, 10/11/11 for level=3.
- // used to check validity of address-str.
- int *bpl_;
- int *NodeShift_;
- int *NodeMask_;
- int McastShift_;
- int McastMask_;
- int levels_;
- protected:
- int command(int argc, const char*const* argv);
- static Address* instance_;
-
- };
- #endif /* ns_addr_params */