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pc.c
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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <unistd.h>
#include "pc.h"
#include <time.h>
size_t fread_ret;
struct pc_rule * rule_set;
int rule_set_cnt;
#ifdef STACK_OP
uint32_t *stack;
uint32_t stack_p;
#endif
void node_dim(struct dump_node *n, int *chosen_dim, int *chosen);
void node_dim(struct dump_node *n, int *chosen_dim, int *chosen)
{
memset(chosen_dim, 0, MAXDIMENSIONS * sizeof(int));
*chosen = 0;
int i;
for(i = 0; i <MAXDIMENSIONS; i++) {
if(n->cuts[i] != 1) {
chosen_dim[(*chosen)++] = i;
}
}
}
uint32_t calc_s(struct dump_node *dn, int dim);
uint32_t calc_s(struct dump_node *dn, int dim)
{
int cuts = dn->cuts[dim];
struct range rdim = dn->boundary.field[dim];
unsigned long long s = ceil((double)(rdim.high - rdim.low + 1)/cuts);
#ifdef NO_DIV
if ( (1ULL << (unsigned)log2(s)) != s) {
//printf("we need div %llu\n", s);
s = 1ULL<<((unsigned)ceil(log2(s)));
}
#endif
return (uint32_t)s;
}
int real_cuts(struct dump_node *dn, int dim, unsigned long long *rs);
int real_cuts(struct dump_node *dn, int dim, unsigned long long *rs)
{
int cuts = dn->cuts[dim];
struct range rdim = dn->boundary.field[dim];
unsigned long long s = ceil((double)(rdim.high - rdim.low + 1)/cuts);
#ifdef NO_DIV
if ( (1ULL << (unsigned)log2(s)) != s) {
//printf("we need div %llu\n", s);
s = 1ULL<<((unsigned)ceil(log2(s)));
}
#endif
*rs = s;
struct range test;
int i;
test.low = rdim.low;
test.high = rdim.low + s -1;
for(i = 1; i < cuts; i++) {
test.low = test.high + 1;
test.high = test.low + s -1;
if(test.high > rdim.high) {
test.high = rdim.high;
}
if(test.low > test.high) {
break;
}
}
return i;
}
void dump2node(struct dump_node *dn, struct node *curr_node);
void dump2node(struct dump_node *dn, struct node *curr_node)
{
int chosen_dim[MAXDIMENSIONS];
int chosen;
int type = 0;
int i;
#ifdef HYBRID
int j;
#endif
unsigned long long s;
node_dim(dn, chosen_dim, &chosen);
curr_node->rules_inside = dn->rules_inside;
#if defined(HYPERCUTS) || defined(ABCII)
curr_node->rule_in_node = dn->rule_in_node;
#endif
for(i = 0; i < chosen; i++ ) {
curr_node->b.min[i] = dn->boundary.field[chosen_dim[i]].low;
curr_node->dim[i] = chosen_dim[i];
#ifdef HYBRID
if(dn->ub_mask[chosen_dim[i]] == 1) {
curr_node->num[i] = (uint8_t)(dn->fuse_array_num[i]);
for(j = 0; j < dn->fuse_array_num[i]; j++) {
curr_node->comp_table[i][j] = (uint16_t)dn->fuse_array[i][j];
}
#ifndef NO_DIV
curr_node->s[i] = calc_s(dn, chosen_dim[i]);
#else
curr_node->s[i] = (uint8_t)log2(calc_s(dn, chosen_dim[i]));
#endif
type |= (1<<i);
}
else {
#endif //HYBRID
curr_node->num[i] = real_cuts(dn, chosen_dim[i], &s);
#ifndef NO_DIV
curr_node->s[i] = (uint32_t)s;
#else
curr_node->s[i] = (uint8_t)log2(s);
#endif
#ifdef HYBRID
}
#endif //HYBRID
#ifdef ABCII
curr_node->cuts[i] = dn->cuts[chosen_dim[i]];
#endif
}
if(chosen != 0)
curr_node->type = type;
else
curr_node->type = 4;
}
void dump2hinode(struct dump_node *dn, struct hinode *curr_node);
void dump2hinode(struct dump_node *dn, struct hinode *curr_node)
{
int chosen_dim[MAXDIMENSIONS];
int chosen;
unsigned long long s;
node_dim(dn, chosen_dim, &chosen);
if(dn->rules_inside) {
curr_node->type |= 0x80;
curr_node->num = dn->rules_inside;
}
if(chosen > 1) {
printf("parse error, chosen>1\n");
}
if(chosen != 0) {
curr_node->min = dn->boundary.field[chosen_dim[0]].low;
curr_node->type |= chosen_dim[0];
curr_node->num = real_cuts(dn, chosen_dim[0], &s);
#ifndef NO_DIV
curr_node->s = (uint32_t)s;
#else
curr_node->s = (uint8_t)log2(s);
#endif
}
}
struct hinode * load_tree_hi(FILE *fp, struct tree_info_hi *info);
struct hinode * load_tree_hi(FILE *fp, struct tree_info_hi *info)
{
struct hinode * root = NULL;
int node_cnt;
fread_ret = fread(&node_cnt, sizeof(int), 1, fp);
printf("need to load %d node\n", node_cnt);
int level_cnt;
fread_ret = fread(&level_cnt, sizeof(int), 1, fp);
printf("in total %d levels\n", level_cnt);
info->node_cnt = node_cnt;
info->level_cnt = level_cnt;
int i;
struct hinode ** level_node = (struct hinode **)malloc(level_cnt * sizeof(*level_node));
int *level_node_cnt = (int *)malloc(level_cnt * sizeof(int));
info->level_node_cnt = (int *)malloc(level_cnt * sizeof(int));
info->level_node = level_node;
for(i = 0; i < level_cnt; i++) {
int ncnt;
fread_ret = fread(&ncnt, sizeof(int), 1, fp);
printf("level %d has %d nodes\n", i+1, ncnt);
level_node_cnt[i] = ncnt;
info->level_node_cnt[i] = ncnt;
level_node[i] = (struct hinode *)calloc(1, ncnt * sizeof(struct hinode));
}
struct dump_node dn;
int *ddt = NULL;
int *pcode = NULL;
struct hinode *curr_node = NULL;
node_cnt = 0;
int child = 0;
int curr_level = 0;
int next_level_cnt = 0;
while(!feof(fp) && curr_level < level_cnt) {
fread_ret = fread(&dn, sizeof(dn), 1, fp);
curr_node = level_node[curr_level] + node_cnt;
node_cnt ++;
dump2hinode(&dn, curr_node);
if(dn.rules_inside) {
ddt = (int*)malloc(dn.rules_inside * sizeof(*ddt));
fread_ret = fread(ddt, sizeof(int), dn.rules_inside, fp);
curr_node->ps = calloc(1, dn.rules_inside * sizeof(uint32_t));
memcpy(curr_node->ps, ddt, dn.rules_inside * sizeof(uint32_t));
free(ddt);
}
if(dn.pointer_size) {
pcode = (int*)malloc(dn.pointer_size * sizeof(int));
fread_ret = fread(pcode, sizeof(int), dn.pointer_size, fp);
fread_ret = fread(&child, sizeof(int), 1, fp);
curr_node->ps = (struct hinode**)malloc(dn.pointer_size *
sizeof(struct hinode *));
struct hinode **np = curr_node->ps;
for(i = 0; i < dn.pointer_size;i++ ){
if(pcode[i] != -1) {
np[i] = level_node[curr_level + 1] + pcode[i]
+ next_level_cnt;
}
else
np[i] = NULL;
}
#ifdef FAST
if(dn.pointer_size <= 64) {
for (i = 0; i < dn.pointer_size; i++) {
if(np[i]) {
curr_node->epb |= (1ULL << i);
}
}
free(np);
curr_node->ps = level_node[curr_level + 1] + next_level_cnt;
}
#endif
free(pcode);
next_level_cnt += child;
}
if(node_cnt == level_node_cnt[curr_level]) {
node_cnt = 0;
curr_level ++;
next_level_cnt = 0;
}
}
root = level_node[0];
return root;
}
struct node * load_tree(FILE *fp, struct tree_info *info);
struct node * load_tree(FILE *fp, struct tree_info *info)
{
struct node * root = NULL;
int node_cnt;
fread_ret = fread(&node_cnt, sizeof(int), 1, fp);
printf("need to load %d node\n", node_cnt);
int level_cnt;
fread_ret = fread(&level_cnt, sizeof(int), 1, fp);
printf("in total %d levels\n", level_cnt);
info->node_cnt = node_cnt;
info->level_cnt = level_cnt;
int i;
struct node ** level_node = (struct node **)malloc(level_cnt * sizeof(*level_node));
int *level_node_cnt = (int *)malloc(level_cnt * sizeof(int));
info->level_node_cnt = (int *)malloc(level_cnt * sizeof(int));
info->level_node = level_node;
for(i = 0; i < level_cnt; i++) {
int ncnt;
fread_ret = fread(&ncnt, sizeof(int), 1, fp);
printf("level %d has %d nodes\n", i+1, ncnt);
level_node_cnt[i] = ncnt;
info->level_node_cnt[i] = ncnt;
level_node[i] = (struct node *)calloc(1, ncnt * sizeof(struct node));
}
struct dump_node dn;
int *ddt = NULL;
int *pcode = NULL;
struct node *curr_node = NULL;
node_cnt = 0;
int child = 0;
int curr_level = 0;
int next_level_cnt = 0;
while(!feof(fp) && curr_level < level_cnt) {
fread_ret = fread(&dn, sizeof(dn), 1, fp);
curr_node = level_node[curr_level] + node_cnt;
node_cnt ++;
dump2node(&dn, curr_node);
if(dn.rules_inside) {
ddt = (int*)malloc(dn.rules_inside * sizeof(*ddt));
fread_ret = fread(ddt, sizeof(int), dn.rules_inside, fp);
curr_node->ps = calloc(1, dn.rules_inside * sizeof(uint32_t));
memcpy(curr_node->ps, ddt, dn.rules_inside * sizeof(uint32_t));
free(ddt);
}
if(dn.pointer_size) {
pcode = (int*)malloc(dn.pointer_size * sizeof(int));
fread_ret = fread(pcode, sizeof(int), dn.pointer_size, fp);
fread_ret = fread(&child, sizeof(int), 1, fp);
curr_node->ps = (struct node**)malloc(dn.pointer_size *
sizeof(struct node *));
struct node **np = curr_node->ps;
for(i = 0; i < dn.pointer_size;i++ ){
if(pcode[i] != -1) {
np[i] = level_node[curr_level + 1] + pcode[i]
+ next_level_cnt;
}
else
np[i] = NULL;
}
#ifdef FAST
if(dn.pointer_size <= 64) {
for (i = 0; i < dn.pointer_size; i++) {
if(np[i]) {
curr_node->epb |= (1ULL << i);
}
}
free(np);
curr_node->ps = level_node[curr_level + 1] + next_level_cnt;
}
#endif
free(pcode);
next_level_cnt += child;
}
if(node_cnt == level_node_cnt[curr_level]) {
node_cnt = 0;
curr_level ++;
next_level_cnt = 0;
}
}
root = level_node[0];
return root;
}
#if defined(HYPERCUTS) || defined(ABCII)
inline int check_rule_p(uint32_t index, uint32_t *ft);
inline int check_rule_p(uint32_t index, uint32_t *ft)
{
struct pc_rule *r = &(rule_set[index]);
if(ft[0] <= r->field[0].high && ft[0] >= r->field[0].low &&
ft[1] <= r->field[1].high && ft[1] >= r->field[1].low &&
ft[2] <= r->field[2].high && ft[2] >= r->field[2].low &&
ft[3] <= r->field[3].high && ft[3] >= r->field[3].low &&
ft[4] <= r->field[4].high && ft[4] >= r->field[4].low) {
return index;
}
else {
return -1;
}
}
#endif
inline int check_rule(uint32_t index, uint32_t *ft);
inline int check_rule(uint32_t index, uint32_t *ft)
{
struct pc_rule *r = &(rule_set[index]);
if(ft[0] <= r->field[0].high && ft[0] >= r->field[0].low &&
ft[1] <= r->field[1].high && ft[1] >= r->field[1].low &&
ft[2] <= r->field[2].high && ft[2] >= r->field[2].low &&
ft[3] <= r->field[3].high && ft[3] >= r->field[3].low &&
ft[4] <= r->field[4].high && ft[4] >= r->field[4].low) {
return 1;
}
else {
return -1;
}
}
int g_linear_search(uint32_t *ft);
int g_linear_search(uint32_t *ft)
{
int ret = -1;
int i;
for(i = 0; i < rule_set_cnt; i++) {
ret = check_rule(i, ft);
if(ret == 1) {
ret = i;
break;
}
}
return ret;
}
#ifdef ABCII
inline int linear_search_abcii(struct anode* n, uint32_t *ft);
inline int linear_search_abcii(struct anode* n, uint32_t *ft)
{
int ret = -1;
int i;
uint32_t *r = n->ps;
for(i = 0; i < n->num; i++) {
ret = check_rule(r[i], ft);
if(ret == 1) {
ret = r[i];
break;
}
}
return ret;
}
#endif
#ifdef HYPERCUTS
inline int linear_search_hypercuts(struct hnode* n, uint32_t *ft);
inline int linear_search_hypercuts(struct hnode* n, uint32_t *ft)
{
int ret = -1;
int i;
uint32_t *r = n->ps;
for(i = 0; i < n->num; i++) {
ret = check_rule(r[i], ft);
if(ret == 1) {
ret = r[i];
break;
}
}
return ret;
}
#endif
inline int linear_search_hi(struct hinode* n, uint32_t *ft);
inline int linear_search_hi(struct hinode* n, uint32_t *ft)
{
int ret = -1;
int i;
uint32_t *r = n->ps;
for(i = 0; i < n->num; i++) {
ret = check_rule(r[i], ft);
if(ret == 1) {
ret = r[i];
break;
}
}
return ret;
}
inline int linear_search(struct node* n, uint32_t *ft);
inline int linear_search(struct node* n, uint32_t *ft)
{
int ret = -1;
int i;
uint32_t *r = n->ps;
for(i = 0; i < n->rules_inside; i++) {
ret = check_rule(r[i], ft);
if(ret == 1) {
ret = r[i];
break;
}
}
return ret;
}
inline int comp_table_search(uint32_t v, uint16_t *t, uint8_t num);
inline int comp_table_search(uint32_t v, uint16_t *t, uint8_t num)
{
int i;
for(i = num - 1; i>=0; i--) {
if ( v >= t[i])
return i;
}
return 0;
}
#ifdef HYPERCUTS
#ifdef STACK_OP
inline int reverse_linear_search(uint32_t * stack, uint32_t stack_p, uint32_t *ft);
inline int reverse_linear_search(uint32_t * stack, uint32_t stack_p, uint32_t *ft)
{
int ret = -1;
int min_ret = -1;
while( -- stack_p) {
ret = check_rule_p(stack[stack_p], ft);
if((uint32_t)ret < (uint32_t)min_ret)
min_ret = ret;
}
return min_ret;
}
#endif
int bits_extra[5] = {0, 0, 16, 16, 24};
int search_rules_hypercuts(struct hnode* n, uint32_t *ft);
int search_rules_hypercuts(struct hnode* n, uint32_t *ft) {
int bits_pos[5] = {0,0,0,0,0};
uint32_t min_priority = 0xFFFFFFFF;
int dim1;
int dim2;
int num1;
int num2;
uint32_t f1;
uint32_t f2;
uint32_t final;
uint64_t bp;
uint32_t next;
int ret;
#ifdef STACK_OP
stack_p = 1;
#endif
while(!(n->type & 0x80)) {
dim1 = n->type >> (1*3);
num1 = n->cuts >> (1*4);
dim2 = n->type & 0x07;
num2 = n->cuts & 0x0f;
if(num1) {
f1 = ft[dim1] << (bits_pos[dim1] + bits_extra[dim1]);
f1 = f1 >> (32 - num1);
bits_pos[dim1] += num1;
}
else
f1 = 0;
//if(num2) {
f2 = ft[dim2] << (bits_pos[dim2] + bits_extra[dim2]);
f2 = f2 >> (32 - num2);
bits_pos[dim2] += num2;
//}
//else
// f2 = 0;
final = ((f1<<num2) | f2);
if(n->filter!= 0xFFFFFFFF) {
#ifndef STACK_OP
ret = check_rule_p(n->filter, ft);
if((uint32_t)ret < min_priority)
min_priority = ret;
#else
stack[stack_p] = n->filter;
stack_p ++;
#endif
}
if(n->epb & (1ULL<<final)) {
bp = n->epb;
if(final != 0) {
bp <<= (64 - final);
next = __builtin_popcountll(bp);
}
else
next = 0;
n = (struct hnode*)(n->ps) + next;
}
else{
#ifndef STACK_OP
return min_priority;
#else
return reverse_linear_search(stack, stack_p, ft);
#endif
}
}
ret = linear_search_hypercuts(n, ft);
#ifdef STACK_OP
min_priority = reverse_linear_search(stack, stack_p, ft);
#endif
if((uint32_t)ret < min_priority)
min_priority = ret;
return min_priority;
}
#endif
int search_rules_hi(struct hinode *n, uint32_t *ft);
int search_rules_hi(struct hinode *n, uint32_t *ft)
{
int v;
int index;
int ret;
struct hinode **np;
while(n && !(n->type & 0x80)) {
#ifndef NO_DIV
v = (ft[n->type & 0x7f] - n->min) / n->s;
#else
v = (ft[n->type & 0x7f] - n->min) >> (n->s);
#endif
index = v;
if(index >= n->num)
return -1;
#ifndef FAST
np = n->ps;
n = np[index];
#else
if(n->epb){
uint64_t bp = n->epb;
if(n->epb & (1ULL<<index)) {
if(index != 0) {
bp <<= (64 - index);
n = (struct hinode*)n->ps + __builtin_popcountll(bp);
}
else
n = (struct hinode*)n->ps;
}
else
return -1;
}
else {
np = n->ps;
n = np[index];
}
#endif
}
if(!n) {
return -1;
}
ret = linear_search_hi(n, ft);
return ret;
}
int search_rules(struct node *n, uint32_t *ft);
int search_rules(struct node *n, uint32_t *ft)
{
int v;
int index=0;
int old_index;
int ret;
int i;
struct node **np;
while(n && n->type != 4) {
old_index = 0;
for(i = 1; i >= 0; i--) {
if(n->num[i] == 0)
continue;
#ifndef NO_DIV
v = (ft[n->dim[i]] - n->b.min[i]) / n->s[i];
#else
v = (ft[n->dim[i]] - n->b.min[i]) >> (n->s[i]);
#endif
#ifdef HYBRID
if(n->type & (1<<i)) {
index = comp_table_search(v, n->comp_table[i], n->num[i]);
}
else
index = v;
#else
index = v;
#endif
if(index >= n->num[i])
return -1;
index = old_index * n->num[i] + index;
old_index = index;
}
#ifndef FAST
np = n->ps;
n = np[index];
#else
if(n->epb){
uint64_t bp = n->epb;
if(n->epb & (1ULL<<index)) {
if(index != 0) {
bp <<= (64 - index);
n = (struct node*)n->ps + __builtin_popcountll(bp);
}
else
n = (struct node*)n->ps;
}
else
return -1;
}
else {
np = n->ps;
n = np[index];
}
#endif
}
if(!n) {
return -1;
}
ret = linear_search(n, ft);
return ret;
}
FILE *fpr;
FILE *fpt;
FILE *ifp;
void parseargs(int argc, char *argv[]);
void parseargs(int argc, char *argv[]) {
int c;
while ((c = getopt(argc, argv, "r:t:l:")) != -1) {
switch (c) {
case 'r':
fpr = fopen(optarg, "r");
break;
case 't':
fpt = fopen(optarg, "r");
break;
case 'l':
ifp = fopen(optarg, "r");
break;
default:
break;
}
}
if(fpr == NULL){
printf("can't open ruleset\n");
exit(-1);
}
if(ifp == NULL) {
printf("can't open tree file\n");
exit(-1);
}
}
int CheckIPBounds(struct realrange fld);
int CheckIPBounds(struct realrange fld)
{
if (fld.low > 0xFFFFFFFF)
{
printf("Error: IPRange is buggy!(%u)\n",fld.low);
return 1;
}
if (fld.high > 0xFFFFFFFF)
{
printf("Error: IPRange is buggy!(%u)\n",fld.high);
return 1;
}
if (fld.low > fld.high)
{
printf("Error: IPRange is buggy!(%u - %u)\n",fld.low,fld.high);
return 1;
}
return 0;
}
int CheckPortBounds(struct realrange fld);
int CheckPortBounds(struct realrange fld)
{
if (fld.low > 0xFFFF)
{
printf("Error: PortRange is buggy!(%u)\n",fld.low);
return 1;
}
if (fld.high > 0xFFFF)
{
printf("Error: PortRange is buggy!(%u)\n",fld.high);
return 1;
}
if (fld.low > fld.high)
{
printf("Error: PortRange is buggy!(%u - %u)\n",fld.low,fld.high);
return 1;
}
return 0;
}
void IP2Range(unsigned ip1,unsigned ip2,unsigned ip3,unsigned ip4,unsigned iplen,struct pc_rule *rule,int index);
void IP2Range(unsigned ip1,unsigned ip2,unsigned ip3,unsigned ip4,unsigned iplen,struct pc_rule *rule,int index)
{
unsigned tmp;
unsigned Lo,Hi;
if(iplen == 0){
Lo = 0;
Hi = 0xFFFFFFFF;
}else if(iplen > 0 && iplen <= 8) {
tmp = ip1 << 24;
tmp &= (0xffffffff << (32-iplen));
Lo = tmp;
Hi = Lo + (1<<(32-iplen)) - 1;
}else if(iplen > 8 && iplen <= 16){
tmp = ip1 << 24;
tmp += ip2 << 16;
tmp &= (0xffffffff << (32-iplen));
Lo = tmp;
Hi = Lo + (1<<(32-iplen)) - 1;
}else if(iplen > 16 && iplen <= 24){
tmp = ip1 << 24;
tmp += ip2 << 16;
tmp += ip3 << 8;
tmp &= (0xffffffff << (32-iplen));
Lo = tmp;
Hi = Lo + (1<<(32-iplen)) - 1;
}else if(iplen > 24 && iplen <= 32){
tmp = ip1 << 24;
tmp += ip2 << 16;
tmp += ip3 << 8;
tmp += ip4;
tmp &= (0xffffffff << (32-iplen));
Lo = tmp;
Hi = Lo + (1<<(32-iplen)) - 1;
}else{
printf("Error: Src IP length exceeds 32\n");
exit(1);
}
rule->field[index].low = Lo;
rule->field[index].high = Hi;
if (CheckIPBounds(rule->field[index]))
{
printf("Error: IP2Range bounds check for %d failed\n",index);
exit(1);
}
//if(rule->field[1].low == 930850816 )
// printf("here\n");
//printf("\t Prefix: %u.%u.%u.%u/%u\n",ip1,ip2,ip3,ip4,iplen);
//printf("\t Range : %llu : %llu\n",rule->field[index].low,rule->field[index].high);
}
int loadrules(FILE *fp);
int loadrules(FILE *fp) {
int i = 0;
int wild = 0;
unsigned sip1, sip2, sip3, sip4, siplen;
unsigned dip1, dip2, dip3, dip4, diplen;
unsigned proto, protomask;
unsigned junk, junkmask;
struct pc_rule rule;
rule_set = (struct pc_rule*)malloc(10000 * sizeof(struct pc_rule));
while(1) {
wild = 0;
if(fscanf(fp,"@%u.%u.%u.%u/%u\t%u.%u.%u.%u/%u\t%u : %u\t%u : %u\t%x/%x\t%x/%x\n",
&sip1, &sip2, &sip3, &sip4, &siplen, &dip1, &dip2, &dip3, &dip4, &diplen,
&rule.field[2].low, &rule.field[2].high, &rule.field[3].low, &rule.field[3].high,
&proto, &protomask, &junk, &junkmask) != 18) break;
IP2Range(sip1,sip2,sip3,sip4,siplen,&rule,0);
IP2Range(dip1,dip2,dip3,dip4,diplen,&rule,1);
if(protomask == 0xFF){
rule.field[4].low = proto;
rule.field[4].high = proto;
}else if(protomask == 0){
rule.field[4].low = 0;
rule.field[4].high = 0xFF;
wild++;
}else{
printf("Protocol mask error\n");
return 0;
}
if ((rule.field[0].low == 0) && (rule.field[0].high == 0xffffffff)) {
wild++;
}
if ((rule.field[1].low == 0) && (rule.field[1].high == 0xffffffff)) {
wild++;
}
if ((rule.field[2].low == 0) && (rule.field[2].high == 65535)) {
wild++;
}
if ((rule.field[3].low == 0) && (rule.field[3].high == 65535)) {
wild++;
}
if (wild != 5) {
rule_set[i] = rule;
i++;
}
}
return i;
}
int load_ft(FILE *fpt, uint32_t *ft);
int load_ft(FILE *fpt, uint32_t *ft)
{
int ret;
static int cnt = 0;
unsigned int junk, junkmask;
if(fpt == NULL)
return 0;
ret = fscanf(fpt, "%u\t%u\t%u\t%u\t%u\t%u\t%u\n", &(ft[0]),
&(ft[1]),
&(ft[2]),
&(ft[3]),
&(ft[4]),
&junk,
&junkmask);
if(ret != 7)
return 0;
cnt ++;
return cnt;
}
#ifdef HYPERCUTS
int node2hnode(struct node *n, struct hnode *hn);
int node2hnode(struct node *n, struct hnode *hn)
{
int i;
int cnt = 0;
if(n->type == 4){
hn->type |= 0x80;
hn->num = n->rules_inside;
hn->ps = calloc(1, n->rules_inside * sizeof(uint32_t));
memcpy(hn->ps, n->ps, n->rules_inside * sizeof(uint32_t));
}
else {
int index;
for(i = 1; i>=0; i--) {
hn->type |= (n->dim[i] << (i*3));
hn->cuts |= ((unsigned)(log2(n->num[i])) << (i*4));
}
if(n->num[0] && n->num[1])
index = n->num[0] * n->num[1];
else
index = n->num[0];
for(i = 0; i < index; i++) {
if(((struct node**)(n->ps))[i]) {
hn->epb |= (1ULL<<i);
cnt ++;
}
}
if(n->rule_in_node != -1)
hn->filter = n->rule_in_node;
else