address.h

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 * Copyright (c) 1993-1997 Regents of the University of California.
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#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 */

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