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/*
* Copyright (c) 1990-1997 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.
*
* $Header: /cvsroot/nsnam/nam-1/address.cc,v 1.2 1998/04/24 21:09:12 haoboy Exp $
*/
#include <stdio.h>
#include <stdlib.h>
#include "tclcl.h"
#include "address.h"
#include "config.h"
static class AddressClass : public TclClass {
public:
AddressClass() : TclClass("Address") {}
TclObject* create(int, const char*const*) {
return (new Address());
}
} class_address;
Address* Address::instance_;
Address::Address() : PortShift_(0), PortMask_(0), McastShift_(0), McastMask_(0), levels_(0)
{
for (int i = 0; i < 10; i++) {
NodeShift_[i] = 0;
NodeMask_[i] = 0;
}
// setting instance_ should be in constructor, instead of Address::
if ((instance_ == 0) || (instance_ != this))
instance_ = this;
}
Address::~Address() { }
int Address::command(int argc, const char*const* argv)
{
int i, c, temp=0;
Tcl& tcl = Tcl::instance();
// if ((instance_ == 0) || (instance_ != this))
// instance_ = this;
if (argc == 4) {
if (strcmp(argv[1], "portbits-are") == 0) {
PortShift_ = atoi(argv[2]);
PortMask_ = atoi(argv[3]);
return (TCL_OK);
}
if (strcmp(argv[1], "mcastbits-are") == 0) {
McastShift_ = atoi(argv[2]);
McastMask_ = atoi(argv[3]);
return (TCL_OK);
}
}
if (argc >= 4) {
if (strcmp(argv[1], "add-hier") == 0) {
/*
* <address> add-hier <level> <mask> <shift>
*/
int level = atoi(argv[2]);
int mask = atoi(argv[3]);
int shift = atoi(argv[4]);
if (levels_ < level)
levels_ = level;
NodeShift_[level] = shift;
NodeMask_[level] = mask;
return (TCL_OK);
}
if (strcmp(argv[1], "idsbits-are") == 0) {
temp = (argc - 2)/2;
if (levels_) {
if (temp != levels_) {
tcl.resultf("#idshiftbits don't match with #hier levels\n");
return (TCL_ERROR);
}
}
else
levels_ = temp;
// NodeShift_ = new int[levels_];
for (i = 3, c = 1; c <= levels_; c++, i+=2)
NodeShift_[c] = atoi(argv[i]);
return (TCL_OK);
}
if (strcmp(argv[1], "idmbits-are") == 0) {
temp = (argc - 2)/2;
if (levels_) {
if (temp != levels_) {
tcl.resultf("#idmaskbits don't match with #hier levels\n");
return (TCL_ERROR);
}
}
else
levels_ = temp;
// NodeMask_ = new int[levels_];
for (i = 3, c = 1; c <= levels_; c++, i+=2)
NodeMask_[c] = atoi(argv[i]);
return (TCL_OK);
}
}
return TclObject::command(argc, argv);
}
char *Address::print_nodeaddr(int address)
{
int a;
char temp[SMALL_LEN];
char str[SMALL_LEN];
char *addrstr;
str[0] = '\0';
for (int i=1; i <= levels_; i++) {
a = address >> NodeShift_[i];
if (levels_ > 1)
a = a & NodeMask_[i];
sprintf(temp, "%d.", a);
strcat(str, temp);
}
addrstr = new char[strlen(str)];
strcpy(addrstr, str);
// printf("Nodeaddr - %s\n",addrstr);
return(addrstr);
}
char *Address::print_portaddr(int address)
{
int a;
char str[SMALL_LEN];
char *addrstr;
str[0] = '\0';
a = address >> PortShift_;
a = a & PortMask_;
sprintf(str, "%d", a);
addrstr = new char[strlen(str)];
strcpy(addrstr, str);
// printf("Portaddr - %s\n",addrstr);
return(addrstr);
}
// Convert address in string format to binary format (int).
int Address::str2addr(char *str)
{
if (levels_ == 0)
return atoi(str);
char *delim = ".";
char *tok;
int addr;
for (int i = 1; i <= levels_; i++) {
if (i == 1) {
tok = strtok(str, delim);
addr = atoi(tok);
} else {
tok = strtok(NULL, delim);
addr = set_word_field(addr, atoi(tok),
NodeShift_[i], NodeMask_[i]);
}
}
return addr;
}
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