mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-20 17:29:13 +00:00
102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
/*
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*
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* (C) 2013-21 - ntop.org
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "ntop_includes.h"
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/* ****************************************** */
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void Bitmap::reset() {
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memset(bitmap, 0, sizeof(bitmap));
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}
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/* ****************************************** */
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void Bitmap::setBit(u_int8_t id) {
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if(id < 64)
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bitmap[0] = Utils::bitmapSet(bitmap[0], id);
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else if(id < BITMAP_NUM_BITS)
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bitmap[1] = Utils::bitmapSet(bitmap[1], id-64);
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}
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/* ****************************************** */
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void Bitmap::clearBit(u_int8_t id) {
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if(id < 64)
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bitmap[0] = Utils::bitmapClear(bitmap[0], id);
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else if(id < BITMAP_NUM_BITS)
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bitmap[1] = Utils::bitmapClear(bitmap[1], id-64);
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}
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/* ****************************************** */
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bool Bitmap::isSetBit(u_int8_t id) const {
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if(id < 64)
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return(Utils::bitmapIsSet(bitmap[0], id));
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else if(id < BITMAP_NUM_BITS)
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return(Utils::bitmapIsSet(bitmap[1], id-64));
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else
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return(0);
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}
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/* ****************************************** */
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bool Bitmap::isEmpty() const {
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return(!(bitmap[0] || bitmap[1]));
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}
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/* ****************************************** */
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void Bitmap::bitmapOr(const Bitmap b) {
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bitmap[0] |= b.bitmap[0], bitmap[1] |= b.bitmap[1];
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}
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/* ****************************************** */
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void Bitmap::set(const Bitmap *b) {
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memcpy(bitmap, b->bitmap, sizeof(bitmap));
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}
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/* ****************************************** */
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bool Bitmap::equal(const Bitmap *b) const {
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return((memcmp(bitmap, b->bitmap, sizeof(bitmap)) == 0) ? true : false);
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}
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/* ****************************************** */
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void Bitmap::lua(lua_State* vm, const char *label) const {
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lua_newtable(vm);
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for(u_int i=0; i<BITMAP_NUM_BITS; i++) {
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if(isSetBit(i)) {
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lua_pushboolean(vm, true); /* The boolean indicating this risk is set */
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lua_pushinteger(vm, i); /* The integer risk id, used as key of this lua table */
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lua_insert(vm, -2);
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lua_settable(vm, -3);
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}
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}
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lua_pushstring(vm, label);
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lua_insert(vm, -2);
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lua_settable(vm, -3);
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}
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