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swoole_serialize.c
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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: xinhua.guo <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "php_swoole.h"
#include "swoole_serialize.h"
#ifdef __SSE2__
#include <emmintrin.h>
#endif
#define CPINLINE sw_inline
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_serialize_pack, 0, 0, 1)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, flag)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_serialize_unpack, 0, 0, 1)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, args)
ZEND_END_ARG_INFO()
static void swoole_serialize_object(seriaString *buffer, zval *zvalue, size_t start);
static void swoole_serialize_arr(seriaString *buffer, zend_array *zvalue);
static void* swoole_unserialize_arr(void *buffer, zval *zvalue, uint32_t num, long flag);
static void* swoole_unserialize_object(void *buffer, zval *return_value, zend_uchar bucket_len, zval *args, long flag);
static PHP_METHOD(swoole_serialize, pack);
static PHP_METHOD(swoole_serialize, unpack);
static const zend_function_entry swoole_serialize_methods[] = {
PHP_ME(swoole_serialize, pack, arginfo_swoole_serialize_pack, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_serialize, unpack, arginfo_swoole_serialize_unpack, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_FE_END
};
zend_class_entry swoole_serialize_ce;
zend_class_entry *swoole_serialize_class_entry_ptr;
#define SWOOLE_SERI_EOF "EOF"
#define CHECK_STEP if(buffer>unseri_buffer_end){ php_error_docref(NULL TSRMLS_CC, E_ERROR, "illegal unserialize data"); return NULL;}
static struct _swSeriaG swSeriaG;
void *unseri_buffer_end = NULL;
void swoole_serialize_init(int module_number TSRMLS_DC)
{
SWOOLE_INIT_CLASS_ENTRY(swoole_serialize_ce, "swoole_serialize", "Swoole\\Serialize", swoole_serialize_methods);
swoole_serialize_class_entry_ptr = zend_register_internal_class(&swoole_serialize_ce TSRMLS_CC);
SWOOLE_CLASS_ALIAS(swoole_serialize, "Swoole\\Serialize");
// ZVAL_STRING(&swSeriaG.sleep_fname, "__sleep");
zend_string *zstr_sleep = zend_string_init("__sleep", sizeof ("__sleep") - 1, 1);
zend_string *zstr_weekup = zend_string_init("__weekup", sizeof ("__weekup") - 1, 1);
ZVAL_STR(&swSeriaG.sleep_fname, zstr_sleep);
ZVAL_STR(&swSeriaG.weekup_fname, zstr_weekup);
// ZVAL_STRING(&swSeriaG.weekup_fname, "__weekup");
memset(&swSeriaG.filter, 0, sizeof (swSeriaG.filter));
memset(&mini_filter, 0, sizeof (mini_filter));
REGISTER_LONG_CONSTANT("SWOOLE_FAST_PACK", SW_FAST_PACK, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("UNSERIALIZE_OBJECT_TO_ARRAY", UNSERIALIZE_OBJECT_TO_ARRAY, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("UNSERIALIZE_OBJECT_TO_STDCLASS", UNSERIALIZE_OBJECT_TO_STDCLASS, CONST_CS | CONST_PERSISTENT);
}
static CPINLINE int swoole_string_new(size_t size, seriaString *str, zend_uchar type)
{
int total = ZEND_MM_ALIGNED_SIZE(_STR_HEADER_SIZE + size + 1);
str->total = total;
//escape the header for later
str->offset = _STR_HEADER_SIZE;
//zend string addr
str->buffer = ecalloc(1, total);
if (!str->buffer)
{
php_error_docref(NULL TSRMLS_CC, E_ERROR, "malloc Error: %s [%d]", strerror(errno), errno);
}
SBucketType real_type = {0};
real_type.data_type = type;
*(SBucketType*) (str->buffer + str->offset) = real_type;
str->offset += sizeof (SBucketType);
return 0;
}
static CPINLINE void swoole_check_size(seriaString *str, size_t len)
{
int new_size = len + str->offset;
// int new_size = len + str->offset + 3 + sizeof (zend_ulong); //space 1 for the type and 2 for key string len or index len and(zend_ulong) for key h
if (str->total < new_size)
{//extend it
new_size = ZEND_MM_ALIGNED_SIZE(new_size + SERIA_SIZE);
str->buffer = erealloc2(str->buffer, new_size, str->offset);
if (!str->buffer)
{
php_error_docref(NULL TSRMLS_CC, E_ERROR, "realloc Error: %s [%d]", strerror(errno), errno);
}
str->total = new_size;
}
}
#ifdef __SSE2__
void CPINLINE swoole_mini_memcpy(void *dst, const void *src, size_t len)
{
register unsigned char *dd = (unsigned char*) dst + len;
register const unsigned char *ss = (const unsigned char*) src + len;
switch (len)
{
case 68: *((int*) (dd - 68)) = *((int*) (ss - 68));
/* no break */
case 64: *((int*) (dd - 64)) = *((int*) (ss - 64));
/* no break */
case 60: *((int*) (dd - 60)) = *((int*) (ss - 60));
/* no break */
case 56: *((int*) (dd - 56)) = *((int*) (ss - 56));
/* no break */
case 52: *((int*) (dd - 52)) = *((int*) (ss - 52));
/* no break */
case 48: *((int*) (dd - 48)) = *((int*) (ss - 48));
/* no break */
case 44: *((int*) (dd - 44)) = *((int*) (ss - 44));
/* no break */
case 40: *((int*) (dd - 40)) = *((int*) (ss - 40));
/* no break */
case 36: *((int*) (dd - 36)) = *((int*) (ss - 36));
/* no break */
case 32: *((int*) (dd - 32)) = *((int*) (ss - 32));
/* no break */
case 28: *((int*) (dd - 28)) = *((int*) (ss - 28));
/* no break */
case 24: *((int*) (dd - 24)) = *((int*) (ss - 24));
/* no break */
case 20: *((int*) (dd - 20)) = *((int*) (ss - 20));
/* no break */
case 16: *((int*) (dd - 16)) = *((int*) (ss - 16));
/* no break */
case 12: *((int*) (dd - 12)) = *((int*) (ss - 12));
/* no break */
case 8: *((int*) (dd - 8)) = *((int*) (ss - 8));
/* no break */
case 4: *((int*) (dd - 4)) = *((int*) (ss - 4));
break;
case 67: *((int*) (dd - 67)) = *((int*) (ss - 67));
/* no break */
case 63: *((int*) (dd - 63)) = *((int*) (ss - 63));
/* no break */
case 59: *((int*) (dd - 59)) = *((int*) (ss - 59));
/* no break */
case 55: *((int*) (dd - 55)) = *((int*) (ss - 55));
/* no break */
case 51: *((int*) (dd - 51)) = *((int*) (ss - 51));
/* no break */
case 47: *((int*) (dd - 47)) = *((int*) (ss - 47));
/* no break */
case 43: *((int*) (dd - 43)) = *((int*) (ss - 43));
/* no break */
case 39: *((int*) (dd - 39)) = *((int*) (ss - 39));
/* no break */
case 35: *((int*) (dd - 35)) = *((int*) (ss - 35));
/* no break */
case 31: *((int*) (dd - 31)) = *((int*) (ss - 31));
/* no break */
case 27: *((int*) (dd - 27)) = *((int*) (ss - 27));
/* no break */
case 23: *((int*) (dd - 23)) = *((int*) (ss - 23));
/* no break */
case 19: *((int*) (dd - 19)) = *((int*) (ss - 19));
/* no break */
case 15: *((int*) (dd - 15)) = *((int*) (ss - 15));
/* no break */
case 11: *((int*) (dd - 11)) = *((int*) (ss - 11));
/* no break */
case 7: *((int*) (dd - 7)) = *((int*) (ss - 7));
*((int*) (dd - 4)) = *((int*) (ss - 4));
break;
case 3: *((short*) (dd - 3)) = *((short*) (ss - 3));
dd[-1] = ss[-1];
break;
case 66: *((int*) (dd - 66)) = *((int*) (ss - 66));
/* no break */
case 62: *((int*) (dd - 62)) = *((int*) (ss - 62));
/* no break */
case 58: *((int*) (dd - 58)) = *((int*) (ss - 58));
/* no break */
case 54: *((int*) (dd - 54)) = *((int*) (ss - 54));
/* no break */
case 50: *((int*) (dd - 50)) = *((int*) (ss - 50));
/* no break */
case 46: *((int*) (dd - 46)) = *((int*) (ss - 46));
/* no break */
case 42: *((int*) (dd - 42)) = *((int*) (ss - 42));
/* no break */
case 38: *((int*) (dd - 38)) = *((int*) (ss - 38));
/* no break */
case 34: *((int*) (dd - 34)) = *((int*) (ss - 34));
/* no break */
case 30: *((int*) (dd - 30)) = *((int*) (ss - 30));
/* no break */
case 26: *((int*) (dd - 26)) = *((int*) (ss - 26));
/* no break */
case 22: *((int*) (dd - 22)) = *((int*) (ss - 22));
/* no break */
case 18: *((int*) (dd - 18)) = *((int*) (ss - 18));
/* no break */
case 14: *((int*) (dd - 14)) = *((int*) (ss - 14));
/* no break */
case 10: *((int*) (dd - 10)) = *((int*) (ss - 10));
/* no break */
case 6: *((int*) (dd - 6)) = *((int*) (ss - 6));
/* no break */
case 2: *((short*) (dd - 2)) = *((short*) (ss - 2));
break;
case 65: *((int*) (dd - 65)) = *((int*) (ss - 65));
/* no break */
case 61: *((int*) (dd - 61)) = *((int*) (ss - 61));
/* no break */
case 57: *((int*) (dd - 57)) = *((int*) (ss - 57));
/* no break */
case 53: *((int*) (dd - 53)) = *((int*) (ss - 53));
/* no break */
case 49: *((int*) (dd - 49)) = *((int*) (ss - 49));
/* no break */
case 45: *((int*) (dd - 45)) = *((int*) (ss - 45));
/* no break */
case 41: *((int*) (dd - 41)) = *((int*) (ss - 41));
/* no break */
case 37: *((int*) (dd - 37)) = *((int*) (ss - 37));
/* no break */
case 33: *((int*) (dd - 33)) = *((int*) (ss - 33));
/* no break */
case 29: *((int*) (dd - 29)) = *((int*) (ss - 29));
/* no break */
case 25: *((int*) (dd - 25)) = *((int*) (ss - 25));
/* no break */
case 21: *((int*) (dd - 21)) = *((int*) (ss - 21));
/* no break */
case 17: *((int*) (dd - 17)) = *((int*) (ss - 17));
/* no break */
case 13: *((int*) (dd - 13)) = *((int*) (ss - 13));
/* no break */
case 9: *((int*) (dd - 9)) = *((int*) (ss - 9));
/* no break */
case 5: *((int*) (dd - 5)) = *((int*) (ss - 5));
/* no break */
case 1: dd[-1] = ss[-1];
break;
case 0:
default: break;
}
}
void CPINLINE swoole_memcpy_fast(void *destination, const void *source, size_t size)
{
unsigned char *dst = (unsigned char*) destination;
const unsigned char *src = (const unsigned char*) source;
// small memory copy
if (size < 64)
{
swoole_mini_memcpy(dst, src, size);
return;
}
size_t diff = (((size_t) dst + 15L) & (~15L)) - ((size_t) dst);
if (diff > 0)
{
swoole_mini_memcpy(dst, src, diff);
dst += diff;
src += diff;
size -= diff;
}
// 4个寄存器
__m128i c1, c2, c3, c4;
if ((((size_t) src) & 15L) == 0)
{
for(; size >= 64; size -= 64)
{
//load 时候将下次要用的数据提前fetch
_mm_prefetch((const char*) (src + 64), _MM_HINT_NTA);
_mm_prefetch((const char*) (dst + 64), _MM_HINT_T0);
//从内存中load到寄存器
c1 = _mm_load_si128(((const __m128i*) src) + 0);
c2 = _mm_load_si128(((const __m128i*) src) + 1);
c3 = _mm_load_si128(((const __m128i*) src) + 2);
c4 = _mm_load_si128(((const __m128i*) src) + 3);
src += 64;
//写回内存
_mm_store_si128((((__m128i*) dst) + 0), c1);
_mm_store_si128((((__m128i*) dst) + 1), c2);
_mm_store_si128((((__m128i*) dst) + 2), c3);
_mm_store_si128((((__m128i*) dst) + 3), c4);
dst += 64;
}
}
else
{
for(; size >= 64; size -= 64)
{
_mm_prefetch((const char*) (src + 64), _MM_HINT_NTA);
_mm_prefetch((const char*) (dst + 64), _MM_HINT_T0);
c1 = _mm_loadu_si128(((const __m128i*) src) + 0);
c2 = _mm_loadu_si128(((const __m128i*) src) + 1);
c3 = _mm_loadu_si128(((const __m128i*) src) + 2);
c4 = _mm_loadu_si128(((const __m128i*) src) + 3);
src += 64;
_mm_store_si128((((__m128i*) dst) + 0), c1);
_mm_store_si128((((__m128i*) dst) + 1), c2);
_mm_store_si128((((__m128i*) dst) + 2), c3);
_mm_store_si128((((__m128i*) dst) + 3), c4);
dst += 64;
}
}
// _mm_sfence();
// return memcpy_tiny(dst, src, size);
}
#endif
static CPINLINE void swoole_string_cpy(seriaString *str, void *mem, size_t len)
{
swoole_check_size(str, len + 15L);
//example:13+15=28 28& 11111111 11111111 11111111 11110000
//str->offset = ((str->offset + 15L) & ~15L);
// swoole_memcspy_fast(str->buffer + str->offset, mem, len);
memcpy(str->buffer + str->offset, mem, len);
str->offset = len + str->offset;
}
static CPINLINE void swoole_set_zend_value(seriaString *str, void *value)
{
swoole_check_size(str, sizeof (zend_value));
*(zend_value*) (str->buffer + str->offset) = *((zend_value*) value);
str->offset = sizeof (zend_value) + str->offset;
}
static CPINLINE void swoole_serialize_long(seriaString *buffer, zval *zvalue, SBucketType* type)
{
zend_long value = Z_LVAL_P(zvalue);
//01111111 - 11111111
if (value <= 0x7f && value >= -0x7f)
{
type->data_len = 0;
SERIA_SET_ENTRY_TYPE_WITH_MINUS(buffer, value);
}
else if (value <= 0x7fff && value >= -0x7fff)
{
type->data_len = 1;
SERIA_SET_ENTRY_SHORT_WITH_MINUS(buffer, value);
}
else if (value <= 0x7fffffff && value >= -0x7fffffff)
{
type->data_len = 2;
SERIA_SET_ENTRY_SIZE4_WITH_MINUS(buffer, value);
}
else
{
type->data_len = 3;
swoole_string_cpy(buffer, &zvalue->value, sizeof (zend_value));
}
}
static CPINLINE void* swoole_unserialize_long(void *buffer, zval *ret_value, SBucketType type)
{
if (type.data_len == 0)
{//1 byte
Z_LVAL_P(ret_value) = *((char*) buffer);
buffer += sizeof (char);
}
else if (type.data_len == 1)
{//2 byte
Z_LVAL_P(ret_value) = *((short*) buffer);
buffer += sizeof (short);
}
else if (type.data_len == 2)
{//4 byte
Z_LVAL_P(ret_value) = *((int32_t *) buffer);
buffer += sizeof (int32_t);
}
else
{//8 byte
ret_value->value = *((zend_value*) buffer);
buffer += sizeof (zend_value);
}
return buffer;
}
static uint32_t CPINLINE cp_zend_hash_check_size(uint32_t nSize)
{
#if defined(ZEND_WIN32)
unsigned long index;
#endif
/* Use big enough power of 2 */
/* size should be between HT_MIN_SIZE and HT_MAX_SIZE */
if (nSize < HT_MIN_SIZE)
{
nSize = HT_MIN_SIZE;
}// else if (UNEXPECTED(nSize >= 1000000))
else if (UNEXPECTED(nSize >= HT_MAX_SIZE))
{
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "invalid unserialize data");
return 0;
}
#if defined(ZEND_WIN32)
if (BitScanReverse(&index, nSize - 1))
{
return 0x2 << ((31 - index) ^ 0x1f);
}
else
{
/* nSize is ensured to be in the valid range, fall back to it
rather than using an undefined bis scan result. */
return nSize;
}
#elif (defined(__GNUC__) || __has_builtin(__builtin_clz)) && defined(PHP_HAVE_BUILTIN_CLZ)
return 0x2 << (__builtin_clz(nSize - 1) ^ 0x1f);
#else
nSize -= 1;
nSize |= (nSize >> 1);
nSize |= (nSize >> 2);
nSize |= (nSize >> 4);
nSize |= (nSize >> 8);
nSize |= (nSize >> 16);
return nSize + 1;
#endif
}
static CPINLINE void swoole_mini_filter_clear()
{
if (swSeriaG.pack_string)
{
memset(&mini_filter, 0, sizeof (mini_filter));
if (bigger_filter)
{
efree(bigger_filter);
bigger_filter = NULL;
}
memset(&swSeriaG.filter, 0, sizeof (struct _swMinFilter));
}
}
static CPINLINE void swoole_make_bigger_filter_size()
{
if (FILTER_SIZE <= swSeriaG.filter.mini_fillter_miss_cnt &&
swSeriaG.filter.mini_fillter_find_cnt < swSeriaG.filter.mini_fillter_miss_cnt)
// if (FILTER_SIZE <= swSeriaG.filter.mini_fillter_miss_cnt &&
// (swSeriaG.filter.mini_fillter_find_cnt / swSeriaG.filter.mini_fillter_miss_cnt) < 1)
{
swSeriaG.filter.bigger_fillter_size = swSeriaG.filter.mini_fillter_miss_cnt * 128;
bigger_filter = (swPoolstr*) ecalloc(1, sizeof (swPoolstr) * swSeriaG.filter.bigger_fillter_size);
memcpy(bigger_filter, &mini_filter, sizeof (mini_filter));
}
}
static CPINLINE void swoole_mini_filter_add(zend_string *zstr, size_t offset, zend_uchar byte)
{
if (swSeriaG.pack_string)
{
offset -= _STR_HEADER_SIZE;
//head 3bit is overhead
if (offset >= 0x1fffffff)
{
return;
}
if (bigger_filter)
{
uint32_t mod_big = zstr->h & (swSeriaG.filter.bigger_fillter_size - 1);
bigger_filter[mod_big].offset = offset << 3;
if (offset <= 0x1fff)
{
bigger_filter[mod_big].offset |= byte;
}
else
{
bigger_filter[mod_big].offset |= (byte | 4);
}
bigger_filter[mod_big].str = zstr;
}
else
{
uint16_t mod = zstr->h & (FILTER_SIZE - 1);
//repalce it is effective,cause the principle of locality
mini_filter[mod].offset = offset << 3;
if (offset <= 0x1fff)
{
mini_filter[mod].offset |= byte;
}
else
{
mini_filter[mod].offset |= (byte | 4);
}
mini_filter[mod].str = zstr;
swSeriaG.filter.mini_fillter_miss_cnt++;
swoole_make_bigger_filter_size();
}
}
}
static CPINLINE swPoolstr* swoole_mini_filter_find(zend_string *zstr)
{
if (swSeriaG.pack_string)
{
zend_ulong h = zend_string_hash_val(zstr);
swPoolstr* str = NULL;
if (bigger_filter)
{
str = &bigger_filter[h & (swSeriaG.filter.bigger_fillter_size - 1)];
}
else
{
str = &mini_filter[h & (FILTER_SIZE - 1)];
}
if (!str->str)
{
return NULL;
}
if (str->str->h == h &&
zstr->len == str->str->len &&
memcmp(zstr->val, str->str->val, zstr->len) == 0)
{
swSeriaG.filter.mini_fillter_find_cnt++;
return str;
}
else
{
return NULL;
}
}
else
{
return NULL;
}
}
/*
* arr layout
* type|key?|bucketlen|buckets
*/
static CPINLINE void seria_array_type(zend_array *ht, seriaString *buffer, size_t type_offset, size_t blen_offset)
{
buffer->offset = blen_offset;
if (ht->nNumOfElements <= 0xff)
{
((SBucketType*) (buffer->buffer + type_offset))->data_len = 1;
SERIA_SET_ENTRY_TYPE(buffer, ht->nNumOfElements)
}
else if (ht->nNumOfElements <= 0xffff)
{
((SBucketType*) (buffer->buffer + type_offset))->data_len = 2;
SERIA_SET_ENTRY_SHORT(buffer, ht->nNumOfElements);
}
else
{
((SBucketType*) (buffer->buffer + type_offset))->data_len = 0;
swoole_string_cpy(buffer, &ht->nNumOfElements, sizeof (uint32_t));
}
}
/*
* buffer is bucket len addr
*/
static CPINLINE void* get_array_real_len(void *buffer, zend_uchar data_len, uint32_t *nNumOfElements)
{
if (data_len == 1)
{
*nNumOfElements = *((zend_uchar*) buffer);
return buffer + sizeof (zend_uchar);
}
else if (data_len == 2)
{
*nNumOfElements = *((unsigned short*) buffer);
return buffer + sizeof (short);
}
else
{
*nNumOfElements = *((uint32_t*) buffer);
return buffer + sizeof (uint32_t);
}
}
static CPINLINE void * get_pack_string_len_addr(void ** buffer, size_t *strlen)
{
uint8_t overhead = (*(uint8_t*) * buffer);
uint32_t real_offset;
uint8_t len_byte;
if (overhead & 4)
{
real_offset = (*(uint32_t*) * buffer) >> 3;
len_byte = overhead & 3;
(*buffer) += 4;
}
else
{
real_offset = (*(uint16_t*) * buffer) >> 3;
len_byte = overhead & 3;
(*buffer) += 2;
}
void *str_pool_addr = unser_start + real_offset;
if (len_byte == 1)
{
*strlen = *((zend_uchar*) str_pool_addr);
str_pool_addr = str_pool_addr + sizeof (zend_uchar);
}
else if (len_byte == 2)
{
*strlen = *((unsigned short*) str_pool_addr);
str_pool_addr = str_pool_addr + sizeof (unsigned short);
}
else
{
*strlen = *((size_t*) str_pool_addr);
str_pool_addr = str_pool_addr + sizeof (size_t);
}
// size_t tmp = *strlen;
return str_pool_addr;
}
/*
* array
*/
static void* swoole_unserialize_arr(void *buffer, zval *zvalue, uint32_t nNumOfElements, long flag)
{
//Initialize zend array
zend_ulong h, nIndex, max_index = 0;
uint32_t size = cp_zend_hash_check_size(nNumOfElements);
CHECK_STEP;
if (!size)
{
return NULL;
}
if (!buffer)
{
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "illegal unserialize data");
return NULL;
}
ZVAL_NEW_ARR(zvalue);
//Initialize buckets
zend_array *ht = Z_ARR_P(zvalue);
ht->nTableSize = size;
ht->nNumUsed = nNumOfElements;
ht->nNumOfElements = nNumOfElements;
ht->nNextFreeElement = 0;
#ifdef HASH_FLAG_APPLY_PROTECTION
ht->u.flags = HASH_FLAG_APPLY_PROTECTION;
#endif
ht->nTableMask = -(ht->nTableSize);
ht->pDestructor = ZVAL_PTR_DTOR;
GC_SET_REFCOUNT(ht, 1);
GC_TYPE_INFO(ht) = IS_ARRAY;
// if (ht->nNumUsed)
//{
// void *arData = ecalloc(1, len);
HT_SET_DATA_ADDR(ht, emalloc(HT_SIZE(ht)));
ht->u.flags |= HASH_FLAG_INITIALIZED;
int ht_hash_size = HT_HASH_SIZE((ht)->nTableMask);
if (ht_hash_size <= 0)
{
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "illegal unserialize data");
return NULL;
}
HT_HASH_RESET(ht);
//}
int idx;
Bucket *p;
for(idx = 0; idx < nNumOfElements; idx++)
{
if (!buffer)
{
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "illegal array unserialize data");
return NULL;
}
SBucketType type = *((SBucketType*) buffer);
buffer += sizeof (SBucketType);
p = ht->arData + idx;
/* Initialize key */
if (type.key_type == KEY_TYPE_STRING)
{
size_t key_len;
if (type.key_len == 3)
{//read the same mem
void *str_pool_addr = get_pack_string_len_addr(&buffer, &key_len);
p->key = zend_string_init((char*) str_pool_addr, key_len, 0);
h = zend_inline_hash_func((char*) str_pool_addr, key_len);
p->key->h = p->h = h;
}
else
{//move step
if (type.key_len == 1)
{
key_len = *((zend_uchar*) buffer);
buffer += sizeof (zend_uchar);
}
else if (type.key_len == 2)
{
key_len = *((unsigned short*) buffer);
buffer += sizeof (unsigned short);
}
else
{
key_len = *((size_t*) buffer);
buffer += sizeof (size_t);
}
CHECK_STEP;
p->key = zend_string_init((char*) buffer, key_len, 0);
// h = zend_inline_hash_func((char*) buffer, key_len);
h = zend_inline_hash_func((char*) buffer, key_len);
buffer += key_len;
p->key->h = p->h = h;
}
}
else
{
if (type.key_len == 0)
{
//means pack
h = p->h = idx;
p->key = NULL;
max_index = p->h + 1;
// ht->u.flags |= HASH_FLAG_PACKED;
}
else
{
if (type.key_len == 1)
{
h = *((zend_uchar*) buffer);
buffer += sizeof (zend_uchar);
}
else if (type.key_len == 2)
{
h = *((unsigned short*) buffer);
buffer += sizeof (unsigned short);
}
else
{
h = *((zend_ulong*) buffer);
buffer += sizeof (zend_ulong);
}
p->h = h;
p->key = NULL;
if (h >= max_index)
{
max_index = h + 1;
}
}
}
/* Initialize hash */
nIndex = h | ht->nTableMask;
Z_NEXT(p->val) = HT_HASH(ht, nIndex);
HT_HASH(ht, nIndex) = HT_IDX_TO_HASH(idx);
/* Initialize data type */
p->val.u1.v.type = type.data_type;
Z_TYPE_FLAGS(p->val) = 0;
/* Initialize data */
if (type.data_type == IS_STRING)
{
size_t data_len;
if (type.data_len == 3)
{//read the same mem
void *str_pool_addr = get_pack_string_len_addr(&buffer, &data_len);
p->val.value.str = zend_string_init((char*) str_pool_addr, data_len, 0);
}
else
{
if (type.data_len == 1)
{
data_len = *((zend_uchar*) buffer);
buffer += sizeof (zend_uchar);
}
else if (type.data_len == 2)
{
data_len = *((unsigned short*) buffer);
buffer += sizeof (unsigned short);
}
else
{
data_len = *((size_t*) buffer);
buffer += sizeof (size_t);
}
CHECK_STEP;
p->val.value.str = zend_string_init((char*) buffer, data_len, 0);
buffer += data_len;
}
Z_TYPE_INFO(p->val) = IS_STRING_EX;
}
else if (type.data_type == IS_ARRAY)
{
uint32_t num = 0;
buffer = get_array_real_len(buffer, type.data_len, &num);
buffer = swoole_unserialize_arr(buffer, &p->val, num, flag);
}
else if (type.data_type == IS_LONG)
{
buffer = swoole_unserialize_long(buffer, &p->val, type);
}
else if (type.data_type == IS_DOUBLE)
{
p->val.value = *((zend_value*) buffer);
buffer += sizeof (zend_value);
}
else if (type.data_type == IS_UNDEF)
{
buffer = swoole_unserialize_object(buffer, &p->val, type.data_len, NULL, flag);
Z_TYPE_INFO(p->val) = IS_OBJECT_EX;
}
}
ht->nNextFreeElement = max_index;
CHECK_STEP;
return buffer;
}
/*
* arr layout
* type|key?|bucketlen|buckets
*/
static void swoole_serialize_arr(seriaString *buffer, zend_array *zvalue)
{
zval *data;
zend_string *key;
zend_ulong index;
swPoolstr *swStr = NULL;
zend_uchar is_pack = zvalue->u.flags & HASH_FLAG_PACKED;
ZEND_HASH_FOREACH_KEY_VAL(zvalue, index, key, data)
{
SBucketType type = {0};
type.data_type = Z_TYPE_P(data);
//start point
size_t p = buffer->offset;
if (is_pack && zvalue->nNextFreeElement == zvalue->nNumOfElements)
{
type.key_type = KEY_TYPE_INDEX;
type.key_len = 0;
SERIA_SET_ENTRY_TYPE(buffer, type);
}
else
{
//seria key
if (key)
{
type.key_type = KEY_TYPE_STRING;
if ((swStr = swoole_mini_filter_find(key)))
{
type.key_len = 3; //means use same string
SERIA_SET_ENTRY_TYPE(buffer, type);
if (swStr->offset & 4)
{
SERIA_SET_ENTRY_SIZE4(buffer, swStr->offset);
}
else
{
SERIA_SET_ENTRY_SHORT(buffer, swStr->offset);
}
}
else
{
if (key->len <= 0xff)
{
type.key_len = 1;
SERIA_SET_ENTRY_TYPE(buffer, type);
swoole_mini_filter_add(key, buffer->offset, 1);
SERIA_SET_ENTRY_TYPE(buffer, key->len);
swoole_string_cpy(buffer, key->val, key->len);
}
else if (key->len <= 0xffff)
{//if more than this don't need optimize
type.key_len = 2;
SERIA_SET_ENTRY_TYPE(buffer, type);
swoole_mini_filter_add(key, buffer->offset, 2);
SERIA_SET_ENTRY_SHORT(buffer, key->len);
swoole_string_cpy(buffer, key->val, key->len);
}
else
{
type.key_len = 0;
SERIA_SET_ENTRY_TYPE(buffer, type);
swoole_mini_filter_add(key, buffer->offset, 3);
swoole_string_cpy(buffer, key + XtOffsetOf(zend_string, len), sizeof (size_t) + key->len);
}
}
}
else
{
type.key_type = KEY_TYPE_INDEX;
if (index <= 0xff)
{
type.key_len = 1;
SERIA_SET_ENTRY_TYPE(buffer, type);
SERIA_SET_ENTRY_TYPE(buffer, index);
}
else if (index <= 0xffff)
{
type.key_len = 2;
SERIA_SET_ENTRY_TYPE(buffer, type);
SERIA_SET_ENTRY_SHORT(buffer, index);
}
else
{
type.key_len = 3;
SERIA_SET_ENTRY_TYPE(buffer, type);
SERIA_SET_ENTRY_ULONG(buffer, index);
}
}
}
//seria data
try_again:
switch (Z_TYPE_P(data))
{
case IS_STRING:
{
if ((swStr = swoole_mini_filter_find(Z_STR_P(data))))
{
((SBucketType*) (buffer->buffer + p))->data_len = 3; //means use same string
if (swStr->offset & 4)
{
SERIA_SET_ENTRY_SIZE4(buffer, swStr->offset);
}
else
{
SERIA_SET_ENTRY_SHORT(buffer, swStr->offset);
}
}
else
{
if (Z_STRLEN_P(data) <= 0xff)
{
((SBucketType*) (buffer->buffer + p))->data_len = 1;
swoole_mini_filter_add(Z_STR_P(data), buffer->offset, 1);
SERIA_SET_ENTRY_TYPE(buffer, Z_STRLEN_P(data));
swoole_string_cpy(buffer, Z_STRVAL_P(data), Z_STRLEN_P(data));
}
else if (Z_STRLEN_P(data) <= 0xffff)
{
((SBucketType*) (buffer->buffer + p))->data_len = 2;
swoole_mini_filter_add(Z_STR_P(data), buffer->offset, 2);
SERIA_SET_ENTRY_SHORT(buffer, Z_STRLEN_P(data));
swoole_string_cpy(buffer, Z_STRVAL_P(data), Z_STRLEN_P(data));
}
else
{//if more than this don't need optimize
((SBucketType*) (buffer->buffer + p))->data_len = 0;
swoole_mini_filter_add(Z_STR_P(data), buffer->offset, 3);
swoole_string_cpy(buffer, (char*) Z_STR_P(data) + XtOffsetOf(zend_string, len), sizeof (size_t) + Z_STRLEN_P(data));
}
}
break;
}
case IS_LONG:
{
SBucketType* long_type = (SBucketType*) (buffer->buffer + p);
swoole_serialize_long(buffer, data, long_type);
break;
}
case IS_DOUBLE:
swoole_set_zend_value(buffer, &(data->value));
break;
case IS_REFERENCE:
data = Z_REFVAL_P(data);
((SBucketType*) (buffer->buffer + p))->data_type = Z_TYPE_P(data);
goto try_again;
break;
case IS_ARRAY:
{
zend_array *ht = Z_ARRVAL_P(data);