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[FEATURE]expr_matcher support dual engine(hyperscan & rulescan)

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This commit is contained in:
刘文坛
2023-07-28 12:32:25 +00:00
parent c1d413e992
commit bcbb796a7d
55 changed files with 3745 additions and 81813 deletions
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37
scanner/ip_matcher/IntervalIndex/SuccinctHash.cpp
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@@ -36,6 +36,43 @@ inline unsigned int myhash(unsigned int key)
return h;
}
static void * aligned_malloc(size_t size, size_t align)
{
void * malloc_ptr;
void * aligned_ptr;
/* Error if align is not a power of two. */
if (align & (align - 1))
{
return ((void*) 0);
}
if (align==0 || size == 0)
{
return ((void *) 0);
}
malloc_ptr = malloc (sizeof(void *) + align - 1 + size);
if (!malloc_ptr)
{
return ((void *) 0);
}
aligned_ptr = (void *) (((size_t)malloc_ptr + sizeof(void *) + align-1) & ~(align-1));
((void **) aligned_ptr) [-1] = malloc_ptr;
return aligned_ptr;
}
static void aligned_free(void * aligned_ptr)
{
if (aligned_ptr)
{
free (((void **) aligned_ptr) [-1]);
}
}
CSuccinctHash::CSuccinctHash()
{
m_RT=NULL;

7
scanner/ip_matcher/IntervalIndex/SuccinctHash.h
View File

@@ -20,6 +20,13 @@
#include "sigmastar_tools.h"
struct packedRT_t
{
unsigned long long bitmap[4];
unsigned int A;
unsigned char B[4];
};
class CSuccinctHash
{
public:

61
scanner/ip_matcher/IntervalIndex/sigmastar_tools.cpp
View File

@@ -2,54 +2,7 @@
#include <stdlib.h>
#include <stdio.h>
void * aligned_malloc(size_t size, size_t align)
{
void * malloc_ptr;
void * aligned_ptr;
/* Error if align is not a power of two. */
if (align & (align - 1))
{
return ((void*) 0);
}
if (align==0 || size == 0)
{
return ((void *) 0);
}
malloc_ptr = malloc (sizeof(void *) + align - 1 + size);
if (!malloc_ptr)
{
return ((void *) 0);
}
aligned_ptr = (void *) (((size_t)malloc_ptr + sizeof(void *) + align-1) & ~(align-1));
((void **) aligned_ptr) [-1] = malloc_ptr;
return aligned_ptr;
}
void aligned_free(void * aligned_ptr)
{
if (aligned_ptr)
{
free (((void **) aligned_ptr) [-1]);
}
}
unsigned char popcnt_u16[65536];
unsigned char popcnt_u32(unsigned int x)
{
char c=0;
while(x)
{
if(x&1) c++;
x>>=1;
}
return c;
}
static unsigned char popcnt_u16[65536];
#ifndef USE_SSE_INSTR
int popcnt_u64(unsigned long long x)
@@ -59,14 +12,4 @@ int popcnt_u64(unsigned long long x)
+popcnt_u16[(x>>32)&0xFFFF]
+popcnt_u16[(x>>48)&0xFFFF];
}
#endif
int initialize_sigmastar_tools()
{
for(unsigned int i=0; i<65536; i++)
{
popcnt_u16[i]=popcnt_u32(i);
}
return 1;
}
#endif

13
scanner/ip_matcher/IntervalIndex/sigmastar_tools.h
View File

@@ -27,19 +27,6 @@ using namespace std;
//#define DEBUG_PARTITION
int initialize_sigmastar_tools();
struct packedRT_t
{
unsigned long long bitmap[4];
unsigned int A;
unsigned char B[4];
};
void * aligned_malloc(size_t size, size_t align);
void aligned_free(void * aligned_ptr);
#if (defined __linux__) && (defined __SSE4_2__)
#define USE_SSE_INSTR
#endif