C++ (Cpp) block_from_sockaddr_in示例

示例#1

文件： autoproxy.c 项目： neroanelli/redsocks

static time_t * get_addr_time_in_cache(const struct sockaddr_in * addr)
{
	/* get block index */
	int block = block_from_sockaddr_in(addr);
	int count = addr_cache_counters[block];
	int first = addr_cache_pointers[block];
	int i = 0;
	/* do reverse search for efficency */
	for ( i = count - 1; i >= 0; i -- )
		if (addr->sin_addr.s_addr == addr_cache[block][(first+i)%ADDR_CACHE_BLOCK_SIZE].addr.sin_addr.s_addr
			 && addr->sin_family == addr_cache[block][(first+i)%ADDR_CACHE_BLOCK_SIZE].addr.sin_family
           )
			return &addr_cache[block][(first+i)%ADDR_CACHE_BLOCK_SIZE].access_time;
			
	return NULL;
}

示例#2

文件： autoproxy.c 项目： neroanelli/redsocks

static void del_addr_from_cache(const struct sockaddr_in * addr)
{	/* get block index */
	int block = block_from_sockaddr_in(addr);
	int count = addr_cache_counters[block];
	int first = addr_cache_pointers[block];
	int i = 0;
	/* do reverse search for efficency */
	for ( i = count - 1; i >= 0; i -- )
		if (addr->sin_addr.s_addr == addr_cache[block][(first+i)%ADDR_CACHE_BLOCK_SIZE].addr.sin_addr.s_addr
			 && addr->sin_family == addr_cache[block][(first+i)%ADDR_CACHE_BLOCK_SIZE].addr.sin_family
           )
			/* found. zero this item */
		{
			memset((void *)&addr_cache[block][(first+i)%ADDR_CACHE_BLOCK_SIZE], 0, sizeof(cache_data));
			break;
		}
}

示例#3

文件： autosocks.c 项目： jmttoki/redsocks

static void add_addr_to_cache(const struct sockaddr_in * addr)
{
	int block = block_from_sockaddr_in(addr);
	int count = addr_cache_counters[block];
	int first = addr_cache_pointers[block];

	if (count < ADDR_CACHE_BLOCK_SIZE)
	{
		memcpy((void *)&addr_cache[block][count], (void *) addr, sizeof(struct sockaddr_in));
		addr_cache_counters[block]++;
	}
	else
	{
		memcpy((void *)&addr_cache[block][first], (void *) addr, sizeof(struct sockaddr_in));
		addr_cache_pointers[block]++;
		addr_cache_pointers[block]%=ADDR_CACHE_BLOCK_SIZE;
	}	
}

示例#4

文件： autosocks.c 项目： jmttoki/redsocks

static int is_addr_in_cache(const struct sockaddr_in * addr)
{
	/* get block index */
	int block = block_from_sockaddr_in(addr);
	int count = addr_cache_counters[block];
	int first = addr_cache_pointers[block];
	int i = 0;
	/* do reverse search for efficency */
	for ( i = count - 1; i >= 0; i -- )
		/*
		if (0 == memcmp((void *)addr, (void *)&addr_cache[block][(first+i)%ADDR_CACHE_BLOCK_SIZE], sizeof(struct sockaddr_in)))
*/
		if (addr->sin_addr.s_addr == addr_cache[block][(first+i)%ADDR_CACHE_BLOCK_SIZE].sin_addr.s_addr
			 && addr->sin_family == addr_cache[block][(first+i)%ADDR_CACHE_BLOCK_SIZE].sin_family
           )
			return 1;
			
	return 0;
}

示例#5

文件： autoproxy.c 项目： neroanelli/redsocks

static void add_addr_to_cache(const struct sockaddr_in * addr)
{
	int block = block_from_sockaddr_in(addr);
	int count = addr_cache_counters[block]; 
	/* use 'first' to index item in cache block when count is equal or greater than block size */
	int first = addr_cache_pointers[block]; 

	if (count < ADDR_CACHE_BLOCK_SIZE)
	{
		memcpy((void *)&addr_cache[block][count].addr, (void *) addr, sizeof(struct sockaddr_in));
	    addr_cache[block][count].access_time = redsocks_time(NULL);
		addr_cache_counters[block]++;
	}
	else
	{
		memcpy((void *)&addr_cache[block][first].addr, (void *) addr, sizeof(struct sockaddr_in));
	    addr_cache[block][first].access_time = redsocks_time(NULL);
		addr_cache_pointers[block]++;
		addr_cache_pointers[block]%=ADDR_CACHE_BLOCK_SIZE;
	}	
}