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yac.c
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yac.c
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/*
+----------------------------------------------------------------------+
| Yet Another Cache |
+----------------------------------------------------------------------+
| Copyright (c) 2013-2013 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP 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: Xinchen Hui <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <time.h>
#include "php.h"
#include "php_ini.h"
#include "SAPI.h"
#include "ext/standard/info.h"
#include "Zend/zend_smart_str.h"
#include "Zend/zend_exceptions.h"
#include "php_yac.h"
#if PHP_MAJOR_VERSION > 7
#include "yac_arginfo.h"
#else
#include "yac_legacy_arginfo.h"
#endif
#include "storage/yac_storage.h"
#include "serializer/yac_serializer.h"
#ifdef HAVE_FASTLZ_H
#include <fastlz.h>
#else
#include "compressor/fastlz/fastlz.h"
#endif
zend_class_entry *yac_class_ce;
static zend_object_handlers yac_obj_handlers;
typedef struct {
unsigned char prefix[YAC_STORAGE_MAX_KEY_LEN];
uint16_t prefix_len;
zend_object std;
} yac_object;
ZEND_DECLARE_MODULE_GLOBALS(yac);
static yac_serializer_t yac_serializer;
static yac_unserializer_t yac_unserializer;
static PHP_INI_MH(OnChangeKeysMemoryLimit) /* {{{ */ {
if (new_value) {
YAC_G(k_msize) = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
}
return SUCCESS;
}
/* }}} */
static PHP_INI_MH(OnChangeValsMemoryLimit) /* {{{ */ {
if (new_value) {
YAC_G(v_msize) = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
}
return SUCCESS;
}
/* }}} */
static PHP_INI_MH(OnChangeCompressThreshold) /* {{{ */ {
if (new_value) {
YAC_G(compress_threshold) = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
if (YAC_G(compress_threshold) < YAC_MIN_COMPRESS_THRESHOLD) {
YAC_G(compress_threshold) = YAC_MIN_COMPRESS_THRESHOLD;
}
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI
*/
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN("yac.enable", "1", PHP_INI_SYSTEM, OnUpdateBool, enable, zend_yac_globals, yac_globals)
STD_PHP_INI_BOOLEAN("yac.debug", "0", PHP_INI_ALL, OnUpdateBool, debug, zend_yac_globals, yac_globals)
STD_PHP_INI_ENTRY("yac.keys_memory_size", "4M", PHP_INI_SYSTEM, OnChangeKeysMemoryLimit, k_msize, zend_yac_globals, yac_globals)
STD_PHP_INI_ENTRY("yac.values_memory_size", "64M", PHP_INI_SYSTEM, OnChangeValsMemoryLimit, v_msize, zend_yac_globals, yac_globals)
STD_PHP_INI_ENTRY("yac.compress_threshold", "-1", PHP_INI_SYSTEM, OnChangeCompressThreshold, compress_threshold, zend_yac_globals, yac_globals)
STD_PHP_INI_ENTRY("yac.enable_cli", "0", PHP_INI_SYSTEM, OnUpdateBool, enable_cli, zend_yac_globals, yac_globals)
STD_PHP_INI_ENTRY("yac.serializer", "php", PHP_INI_SYSTEM, OnUpdateString, serializer, zend_yac_globals, yac_globals)
PHP_INI_END()
/* }}} */
#define Z_YACOBJ_P(zv) (php_yac_fetch_object(Z_OBJ_P(zv)))
static inline yac_object *php_yac_fetch_object(zend_object *obj) /* {{{ */ {
return (yac_object *)((char*)(obj) - XtOffsetOf(yac_object, std));
}
/* }}} */
static const char *yac_assemble_key(yac_object *yac, zend_string *name, size_t *len) /* {{{ */ {
const char *key;
if ((ZSTR_LEN(name) + yac->prefix_len) > YAC_STORAGE_MAX_KEY_LEN) {
php_error_docref(NULL, E_WARNING,
"Key '%.*s%s' exceed max key length '%d' bytes",
yac->prefix_len, yac->prefix, ZSTR_VAL(name), YAC_STORAGE_MAX_KEY_LEN);
return NULL;
}
if (yac->prefix_len) {
memcpy(yac->prefix + yac->prefix_len, ZSTR_VAL(name), ZSTR_LEN(name));
key = (const char*)yac->prefix;
*len = yac->prefix_len + ZSTR_LEN(name);
} else {
key = ZSTR_VAL(name);
*len = ZSTR_LEN(name);
}
return key;
}
/* }}} */
static int yac_add_impl(yac_object *yac, zend_string *name, zval *value, int ttl, int add) /* {{{ */ {
int ret = 0, flag = Z_TYPE_P(value);
char *msg;
time_t tv;
const char *key;
size_t key_len;
if ((key = yac_assemble_key(yac, name, &key_len)) == NULL) {
return ret;
}
tv = time(NULL);
switch (Z_TYPE_P(value)) {
case IS_NULL:
case IS_TRUE:
case IS_FALSE:
ret = yac_storage_update(key, key_len, (char *)&flag, sizeof(int), flag, ttl, add, tv);
break;
case IS_LONG:
ret = yac_storage_update(key, key_len, (char *)&Z_LVAL_P(value), sizeof(long), flag, ttl, add, tv);
break;
case IS_DOUBLE:
ret = yac_storage_update(key, key_len, (char *)&Z_DVAL_P(value), sizeof(double), flag, ttl, add, tv);
break;
case IS_STRING:
#ifdef IS_CONSTANT
case IS_CONSTANT:
#endif
{
if (Z_STRLEN_P(value) > YAC_G(compress_threshold) || Z_STRLEN_P(value) > YAC_STORAGE_MAX_ENTRY_LEN) {
int compressed_len;
char *compressed;
/* if longer than this, then we can not stored the length in flag */
if (Z_STRLEN_P(value) > YAC_ENTRY_MAX_ORIG_LEN) {
php_error_docref(NULL, E_WARNING, "Value is too long(%ld bytes) to be stored", Z_STRLEN_P(value));
return ret;
}
compressed = emalloc(Z_STRLEN_P(value) * 1.05);
compressed_len = fastlz_compress(Z_STRVAL_P(value), Z_STRLEN_P(value), compressed);
if (!compressed_len || compressed_len > Z_STRLEN_P(value)) {
php_error_docref(NULL, E_WARNING, "Compression failed");
efree(compressed);
return ret;
}
if (compressed_len > YAC_STORAGE_MAX_ENTRY_LEN) {
php_error_docref(NULL, E_WARNING, "Value is too long(%ld bytes) to be stored", Z_STRLEN_P(value));
efree(compressed);
return ret;
}
flag |= YAC_ENTRY_COMPRESSED;
flag |= (Z_STRLEN_P(value) << YAC_ENTRY_ORIG_LEN_SHIT);
ret = yac_storage_update(key, key_len, compressed, compressed_len, flag, ttl, add, tv);
efree(compressed);
} else {
ret = yac_storage_update(key, key_len, Z_STRVAL_P(value), Z_STRLEN_P(value), flag, ttl, add, tv);
}
}
break;
case IS_ARRAY:
#ifdef IS_CONSTANT_ARRAY
case IS_CONSTANT_ARRAY:
#endif
case IS_OBJECT:
{
smart_str buf = {0};
if (yac_serializer(value, &buf, &msg)) {
if (buf.s->len > YAC_G(compress_threshold) || buf.s->len > YAC_STORAGE_MAX_ENTRY_LEN) {
int compressed_len;
char *compressed;
if (buf.s->len > YAC_ENTRY_MAX_ORIG_LEN) {
php_error_docref(NULL, E_WARNING, "Value is too big to be stored");
return ret;
}
compressed = emalloc(buf.s->len * 1.05);
compressed_len = fastlz_compress(ZSTR_VAL(buf.s), ZSTR_LEN(buf.s), compressed);
if (!compressed_len || compressed_len > buf.s->len) {
php_error_docref(NULL, E_WARNING, "Compression failed");
efree(compressed);
return ret;
}
if (compressed_len > YAC_STORAGE_MAX_ENTRY_LEN) {
php_error_docref(NULL, E_WARNING, "Value is too big to be stored");
efree(compressed);
return ret;
}
flag |= YAC_ENTRY_COMPRESSED;
flag |= (buf.s->len << YAC_ENTRY_ORIG_LEN_SHIT);
ret = yac_storage_update(key, key_len, compressed, compressed_len, flag, ttl, add, tv);
efree(compressed);
} else {
ret = yac_storage_update(key, key_len, ZSTR_VAL(buf.s), ZSTR_LEN(buf.s), flag, ttl, add, tv);
}
smart_str_free(&buf);
} else {
php_error_docref(NULL, E_WARNING, "Serialization failed");
smart_str_free(&buf);
}
}
break;
case IS_RESOURCE:
php_error_docref(NULL, E_WARNING, "Type 'IS_RESOURCE' cannot be stored");
break;
default:
php_error_docref(NULL, E_WARNING, "Unsupported valued type to be stored '%d'", flag);
break;
}
return ret;
}
/* }}} */
static int yac_add_multi_impl(yac_object *yac, zval *kvs, int ttl, int add) /* {{{ */ {
HashTable *ht = Z_ARRVAL_P(kvs);
zend_string *key;
zend_ulong idx;
zval *value;
ZEND_HASH_FOREACH_KEY_VAL(ht, idx, key, value) {
uint32_t should_free = 0;
if (!key) {
key = strpprintf(0, "%lu", idx);
should_free = 1;
}
if (yac_add_impl(yac, key, value, ttl, add)) {
if (should_free) {
zend_string_release(key);
}
continue;
} else {
if (should_free) {
zend_string_release(key);
}
return 0;
}
} ZEND_HASH_FOREACH_END();
return 1;
}
/* }}} */
static zval* yac_get_impl(yac_object *yac, zend_string *name, uint32_t *cas, zval *rv) /* {{{ */ {
uint32_t flag, size = 0;
char *data, *msg;
time_t tv;
const char *key;
size_t key_len;
if ((key = yac_assemble_key(yac, name, &key_len)) == NULL) {
return NULL;
}
tv = time(NULL);
if (yac_storage_find(key, key_len, &data, &size, &flag, (int *)cas, tv)) {
switch ((flag & YAC_ENTRY_TYPE_MASK)) {
case IS_NULL:
if (size == sizeof(int)) {
ZVAL_NULL(rv);
}
efree(data);
break;
case IS_TRUE:
if (size == sizeof(int)) {
ZVAL_TRUE(rv);
}
efree(data);
break;
case IS_FALSE:
if (size == sizeof(int)) {
ZVAL_FALSE(rv);
}
efree(data);
break;
case IS_LONG:
if (size == sizeof(long)) {
ZVAL_LONG(rv, *(long*)data);
}
efree(data);
break;
case IS_DOUBLE:
if (size == sizeof(double)) {
ZVAL_DOUBLE(rv, *(double*)data);
}
efree(data);
break;
case IS_STRING:
#ifdef IS_CONSTANT
case IS_CONSTANT:
#endif
{
if ((flag & YAC_ENTRY_COMPRESSED)) {
size_t orig_len = ((uint32_t)flag >> YAC_ENTRY_ORIG_LEN_SHIT);
char *origin = emalloc(orig_len + 1);
uint32_t length;
length = fastlz_decompress(data, size, origin, orig_len);
if (!length) {
php_error_docref(NULL, E_WARNING, "Decompression failed");
efree(data);
efree(origin);
return NULL;
}
ZVAL_STRINGL(rv, origin, length);
efree(origin);
efree(data);
} else {
ZVAL_STRINGL(rv, data, size);
efree(data);
}
}
break;
case IS_ARRAY:
#ifdef IS_CONSTANT_ARRAY
case IS_CONSTANT_ARRAY:
#endif
case IS_OBJECT:
{
if ((flag & YAC_ENTRY_COMPRESSED)) {
size_t length, orig_len = ((uint32_t)flag >> YAC_ENTRY_ORIG_LEN_SHIT);
char *origin = emalloc(orig_len + 1);
length = fastlz_decompress(data, size, origin, orig_len);
if (!length) {
php_error_docref(NULL, E_WARNING, "Decompression failed");
efree(data);
efree(origin);
return NULL;
}
efree(data);
data = origin;
size = length;
}
rv = yac_unserializer(data, size, &msg, rv);
efree(data);
}
break;
default:
php_error_docref(NULL, E_WARNING, "Unexpected valued type '%d'", flag);
rv = NULL;
break;
}
} else {
rv = NULL;
}
return rv;
}
/* }}} */
static zval* yac_get_multi_impl(yac_object *yac, zval *keys, zval *cas, zval *rv) /* {{{ */ {
zval *value;
HashTable *ht = Z_ARRVAL_P(keys);
array_init(rv);
ZEND_HASH_FOREACH_VAL(ht, value) {
uint32_t lcas = 0;
zval *v, tmp;
switch (Z_TYPE_P(value)) {
case IS_STRING:
if ((v = yac_get_impl(yac, Z_STR_P(value), &lcas, &tmp))) {
zend_symtable_update(Z_ARRVAL_P(rv), Z_STR_P(value), v);
} else {
ZVAL_FALSE(&tmp);
zend_symtable_update(Z_ARRVAL_P(rv), Z_STR_P(value), &tmp);
}
continue;
default:
{
zend_string *key = zval_get_string(value);
if ((v = yac_get_impl(yac, key, &lcas, &tmp))) {
zend_symtable_update(Z_ARRVAL_P(rv), key, v);
} else {
ZVAL_FALSE(&tmp);
zend_symtable_update(Z_ARRVAL_P(rv), key, &tmp);
}
zend_string_release(key);
}
continue;
}
} ZEND_HASH_FOREACH_END();
return rv;
}
/* }}} */
static int yac_delete_impl(yac_object *yac, zend_string *name, int ttl) /* {{{ */ {
time_t tv = 0;
const char *key;
size_t key_len;
if ((key = yac_assemble_key(yac, name, &key_len)) == NULL) {
return 0;
}
if (ttl) {
tv = (zend_ulong)time(NULL);
}
return yac_storage_delete(key, key_len, ttl, tv);
}
/* }}} */
static int yac_delete_multi_impl(yac_object *yac, zval *keys, int ttl) /* {{{ */ {
HashTable *ht = Z_ARRVAL_P(keys);
int ret = 1;
zval *value;
ZEND_HASH_FOREACH_VAL(ht, value) {
switch (Z_TYPE_P(value)) {
case IS_STRING:
ret = ret & yac_delete_impl(yac, Z_STR_P(value), ttl);
continue;
default:
{
zend_string *key = zval_get_string(value);
ret = ret & yac_delete_impl(yac, key, ttl);
zend_string_release(key);
}
continue;
}
} ZEND_HASH_FOREACH_END();
return ret;
}
/* }}} */
static zend_object *yac_object_new(zend_class_entry *ce) /* {{{ */ {
yac_object *yac = emalloc(sizeof(yac_object) + zend_object_properties_size(ce));
zend_object_std_init(&yac->std, ce);
yac->std.handlers = &yac_obj_handlers;
yac->prefix_len = 0;
return &yac->std;
}
/* }}} */
static void yac_object_free(zend_object *object) /* {{{ */ {
zend_object_std_dtor(object);
}
/* }}} */
static zval* yac_read_property_ptr(void *zobj, void *name, int type, void **cache_slot) /* {{{ */ {
zend_string *member;
#if PHP_VERSION_ID < 80000
member = Z_STR_P((zval*)name);
#else
member = (zend_string*)name;
#endif
zend_throw_exception_ex(NULL, 0, "Retrieval of Yac->%s for modification is unsupported", ZSTR_VAL(member));
return &EG(error_zval);
}
/* }}} */
static zval* yac_read_property(void /* for PHP8 compatibility */ *zobj, void *name, int type, void **cache_slot, zval *rv) /* {{{ */ {
yac_object *yac;
zend_string *member;
if (UNEXPECTED(type == BP_VAR_RW||type == BP_VAR_W)) {
return &EG(error_zval);
}
#if PHP_VERSION_ID < 80000
yac = Z_YACOBJ_P((zval*)zobj);
member = Z_STR_P((zval*)name);
#else
yac = php_yac_fetch_object((zend_object*)zobj);
member = (zend_string*)name;
#endif
if (yac_get_impl(yac, member, NULL, rv)) {
return rv;
}
return &EG(uninitialized_zval);
}
/* }}} */
static YAC_WHANDLER yac_write_property(void *zobj, void *name, zval *value, void **cache_slot) /* {{{ */ {
yac_object *yac;
zend_string *member;
#if PHP_VERSION_ID < 80000
yac = Z_YACOBJ_P((zval*)zobj);
member = Z_STR_P((zval*)name);
#else
yac = php_yac_fetch_object((zend_object*)zobj);
member = (zend_string*)name;
#endif
yac_add_impl(yac, member, value, 0, 0);
Z_TRY_ADDREF_P(value);
YAC_WHANDLER_RET(value);
}
/* }}} */
static void yac_unset_property(void *zobj, void *name, void **cache_slot) /* {{{ */ {
yac_object *yac;
zend_string *member;
#if PHP_VERSION_ID < 80000
yac = Z_YACOBJ_P((zval*)zobj);
member = Z_STR_P((zval*)name);
#else
yac = php_yac_fetch_object((zend_object*)zobj);
member = (zend_string*)name;
#endif
yac_delete_impl(yac, member, 0);
}
/* }}} */
/** {{{ proto public Yac::__construct([string $prefix])
*/
PHP_METHOD(yac, __construct) {
zend_string *prefix = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|S", &prefix) == FAILURE) {
return;
}
if (!YAC_G(enable)) {
zend_throw_exception(NULL, "Yac is not enabled", 0);
}
if (prefix && ZSTR_LEN(prefix)) {
yac_object *yac;
if (ZSTR_LEN(prefix) > YAC_STORAGE_MAX_KEY_LEN) {
zend_throw_exception_ex(NULL, 0,
"Prefix '%s' exceed max key length '%d' bytes", ZSTR_VAL(prefix), YAC_STORAGE_MAX_KEY_LEN);
return;
}
yac = Z_YACOBJ_P(getThis());
yac->prefix_len = ZSTR_LEN(prefix);
memcpy(yac->prefix, ZSTR_VAL(prefix), ZSTR_LEN(prefix));
}
}
/* }}} */
/** {{{ proto public Yac::add(mixed $keys, mixed $value[, int $ttl])
*/
PHP_METHOD(yac, add) {
zend_long ttl = 0;
zval *keys, *value = NULL;
int ret;
switch (ZEND_NUM_ARGS()) {
case 1:
if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &keys) == FAILURE) {
return;
}
break;
case 2:
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz", &keys, &value) == FAILURE) {
return;
}
if (Z_TYPE_P(keys) == IS_ARRAY) {
if (Z_TYPE_P(value) == IS_LONG) {
ttl = Z_LVAL_P(value);
value = NULL;
} else {
php_error_docref(NULL, E_WARNING, "ttl parameter must be an integer");
return;
}
}
break;
case 3:
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zzl", &keys, &value, &ttl) == FAILURE) {
return;
}
break;
default:
WRONG_PARAM_COUNT;
}
if (Z_TYPE_P(keys) == IS_ARRAY) {
ret = yac_add_multi_impl(Z_YACOBJ_P(getThis()), keys, ttl, 1);
} else if (Z_TYPE_P(keys) == IS_STRING) {
ret = yac_add_impl(Z_YACOBJ_P(getThis()), Z_STR_P(keys), value, ttl, 1);
} else {
zend_string *key = zval_get_string(keys);
ret = yac_add_impl(Z_YACOBJ_P(getThis()), key, value, ttl, 1);
zend_string_release(key);
}
RETURN_BOOL(ret);
}
/* }}} */
/** {{{ proto public Yac::set(mixed $keys, mixed $value[, int $ttl])
*/
PHP_METHOD(yac, set) {
zend_long ttl = 0;
zval *keys, *value = NULL;
int ret;
switch (ZEND_NUM_ARGS()) {
case 1:
if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &keys) == FAILURE) {
return;
}
break;
case 2:
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz", &keys, &value) == FAILURE) {
return;
}
if (Z_TYPE_P(keys) == IS_ARRAY) {
if (Z_TYPE_P(value) == IS_LONG) {
ttl = Z_LVAL_P(value);
value = NULL;
} else {
php_error_docref(NULL, E_WARNING, "ttl parameter must be an integer");
return;
}
}
break;
case 3:
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zzl", &keys, &value, &ttl) == FAILURE) {
return;
}
break;
default:
WRONG_PARAM_COUNT;
}
if (Z_TYPE_P(keys) == IS_ARRAY) {
ret = yac_add_multi_impl(Z_YACOBJ_P(getThis()), keys, ttl, 0);
} else if (Z_TYPE_P(keys) == IS_STRING) {
ret = yac_add_impl(Z_YACOBJ_P(getThis()), Z_STR_P(keys), value, ttl, 0);
} else {
zend_string *key = zval_get_string(keys);
ret = yac_add_impl(Z_YACOBJ_P(getThis()), key, value, ttl, 0);
zend_string_release(key);
}
RETURN_BOOL(ret);
}
/* }}} */
/** {{{ proto public Yac::get(mixed $keys[, int &$cas])
*/
PHP_METHOD(yac, get) {
uint32_t lcas = 0;
zval *ret, *keys, *cas = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|z", &keys, &cas) == FAILURE) {
return;
}
if (Z_TYPE_P(keys) == IS_ARRAY) {
ret = yac_get_multi_impl(Z_YACOBJ_P(getThis()), keys, cas, return_value);
} else if (Z_TYPE_P(keys) == IS_STRING) {
ret = yac_get_impl(Z_YACOBJ_P(getThis()), Z_STR_P(keys), &lcas, return_value);
} else {
zend_string *key = zval_get_string(keys);
ret = yac_get_impl(Z_YACOBJ_P(getThis()), key, &lcas, return_value);
zend_string_release(key);
}
if (ret == NULL) {
RETURN_FALSE;
}
}
/* }}} */
/** {{{ proto public Yac::delete(mixed $key[, int $delay = 0])
*/
PHP_METHOD(yac, delete) {
zend_long time = 0;
zval *keys;
int ret;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|l", &keys, &time) == FAILURE) {
return;
}
if (Z_TYPE_P(keys) == IS_ARRAY) {
ret = yac_delete_multi_impl(Z_YACOBJ_P(getThis()), keys, time);
} else if (Z_TYPE_P(keys) == IS_STRING) {
ret = yac_delete_impl(Z_YACOBJ_P(getThis()), Z_STR_P(keys), time);
} else {
zend_string *key = zval_get_string(keys);
ret = yac_delete_impl(Z_YACOBJ_P(getThis()), key, time);
zend_string_release(key);
}
RETURN_BOOL(ret);
}
/* }}} */
/** {{{ proto public Yac::flush(void)
*/
PHP_METHOD(yac, flush) {
yac_storage_flush();
RETURN_TRUE;
}
/* }}} */
/** {{{ proto public Yac::info(void)
*/
PHP_METHOD(yac, info) {
yac_storage_info *inf;
inf = yac_storage_get_info();
array_init(return_value);
add_assoc_long(return_value, "memory_size", inf->k_msize + inf->v_msize);
add_assoc_long(return_value, "slots_memory_size", inf->k_msize);
add_assoc_long(return_value, "values_memory_size", inf->v_msize);
add_assoc_long(return_value, "segment_size", inf->segment_size);
add_assoc_long(return_value, "segment_num", inf->segments_num);
add_assoc_long(return_value, "miss", inf->miss);
add_assoc_long(return_value, "hits", inf->hits);
add_assoc_long(return_value, "fails", inf->fails);
add_assoc_long(return_value, "kicks", inf->kicks);
add_assoc_long(return_value, "recycles", inf->recycles);
add_assoc_long(return_value, "slots_size", inf->slots_size);
add_assoc_long(return_value, "slots_used", inf->slots_num);
yac_storage_free_info(inf);
return;
}
/* }}} */
/** {{{ proto public Yac::dump(int $limit)
*/
PHP_METHOD(yac, dump) {
long limit = 100;
yac_item_list *list, *l;
array_init(return_value);
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &limit) == FAILURE) {
return;
}
list = l = yac_storage_dump(limit);
for (; l; l = l->next) {
zval item;
array_init(&item);
add_assoc_long(&item, "index", l->index);
add_assoc_long(&item, "hash", l->h);
add_assoc_long(&item, "crc", l->crc);
add_assoc_long(&item, "ttl", l->ttl);
add_assoc_long(&item, "k_len", l->k_len);
add_assoc_long(&item, "v_len", l->v_len);
add_assoc_long(&item, "size", l->size);
add_assoc_string(&item, "key", (char*)l->key);
add_next_index_zval(return_value, &item);
}
yac_storage_free_list(list);
return;
}
/* }}} */
#if 0
only OO-style APIs is supported now
/* {{{{ proto bool yac_add(mixed $keys, mixed $value[, int $ttl])
*/
PHP_FUNCTION(yac_add)
{
PHP_MN(yac_add)(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto bool yac_set(mixed $keys, mixed $value[, int $ttl])
*/
PHP_FUNCTION(yac_set)
{
PHP_MN(yac_set)(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto bool yac_get(mixed $keys[, int &$cas])
*/
PHP_FUNCTION(yac_get)
{
PHP_MN(yac_get)(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto bool yac_delete(mixed $keys[, int $delay = 0])
*/
PHP_FUNCTION(yac_delete)
{
PHP_MN(yac_delete)(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto bool yac_flush(void)
*/
PHP_FUNCTION(yac_flush)
{
PHP_MN(yac_flush)(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto bool yac_info(void)
*/
PHP_FUNCTION(yac_info)
{
PHP_MN(yac_info)(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ yac_functions[] */
zend_function_entry yac_functions[] = {
PHP_FE(yac_add, arginfo_yac_add)
PHP_FE(yac_set, arginfo_yac_add)
PHP_FE(yac_get, arginfo_yac_get)
PHP_FE(yac_delete, arginfo_yac_delete)
PHP_FE(yac_flush, arginfo_yac_void)
PHP_FE(yac_info, arginfo_yac_void)
{NULL, NULL}
};
/* }}} */
#endif
/** {{{ yac_methods
*/
zend_function_entry yac_methods[] = {
PHP_ME(yac, __construct, arginfo_class_Yac___construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
PHP_ME(yac, add, arginfo_class_Yac_add, ZEND_ACC_PUBLIC)
PHP_ME(yac, set, arginfo_class_Yac_set, ZEND_ACC_PUBLIC)
PHP_ME(yac, get, arginfo_class_Yac_get, ZEND_ACC_PUBLIC)
PHP_ME(yac, delete, arginfo_class_Yac_delete, ZEND_ACC_PUBLIC)
PHP_ME(yac, flush, arginfo_class_Yac_flush, ZEND_ACC_PUBLIC)
PHP_ME(yac, info, arginfo_class_Yac_info, ZEND_ACC_PUBLIC)
PHP_ME(yac, dump, arginfo_class_Yac_dump, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
/* }}} */
/* {{{ PHP_GINIT_FUNCTION
*/
PHP_GINIT_FUNCTION(yac)
{
yac_globals->enable = 1;
yac_globals->k_msize = (4 * 1024 * 1024);
yac_globals->v_msize = (64 * 1024 * 1024);
yac_globals->debug = 0;
yac_globals->compress_threshold = -1;
yac_globals->enable_cli = 0;
#ifdef PHP_WIN32
yac_globals->mmap_base = NULL;
#endif
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(yac)
{
char *msg;
zend_class_entry ce;
REGISTER_INI_ENTRIES();
if (!YAC_G(enable_cli) && !strcmp(sapi_module.name, "cli")) {
YAC_G(enable) = 0;
}
if (YAC_G(enable)) {
if (!yac_storage_startup(YAC_G(k_msize), YAC_G(v_msize), &msg)) {
php_error(E_ERROR, "Shared memory allocator startup failed at '%s': %s", msg, strerror(errno));
return FAILURE;
}
}
REGISTER_STRINGL_CONSTANT("YAC_VERSION", PHP_YAC_VERSION, sizeof(PHP_YAC_VERSION) - 1, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("YAC_MAX_KEY_LEN", YAC_STORAGE_MAX_KEY_LEN, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("YAC_MAX_VALUE_RAW_LEN", YAC_ENTRY_MAX_ORIG_LEN, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("YAC_MAX_RAW_COMPRESSED_LEN", YAC_STORAGE_MAX_ENTRY_LEN, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("YAC_SERIALIZER_PHP", YAC_SERIALIZER_PHP, CONST_PERSISTENT | CONST_CS);
#if YAC_ENABLE_MSGPACK
REGISTER_LONG_CONSTANT("YAC_SERIALIZER_MSGPACK", YAC_SERIALIZER_MSGPACK, CONST_PERSISTENT | CONST_CS);
#endif
#if YAC_ENABLE_IGBINARY
REGISTER_LONG_CONSTANT("YAC_SERIALIZER_IGBINARY", YAC_SERIALIZER_IGBINARY, CONST_PERSISTENT | CONST_CS);
#endif
#if YAC_ENABLE_JSON
REGISTER_LONG_CONSTANT("YAC_SERIALIZER_JSON", YAC_SERIALIZER_JSON, CONST_PERSISTENT | CONST_CS);
#endif
#if YAC_ENABLE_MSGPACK
if (strcmp(YAC_G(serializer), "msgpack") == 0) {
yac_serializer = yac_serializer_msgpack_pack;
yac_unserializer = yac_serializer_msgpack_unpack;
REGISTER_LONG_CONSTANT("YAC_SERIALIZER", YAC_SERIALIZER_MSGPACK, CONST_PERSISTENT | CONST_CS);
} else
#endif
#if YAC_ENABLE_IGBINARY
if (strcmp(YAC_G(serializer), "igbinary") == 0) {
yac_serializer = yac_serializer_igbinary_pack;
yac_unserializer = yac_serializer_igbinary_unpack;
REGISTER_LONG_CONSTANT("YAC_SERIALIZER", YAC_SERIALIZER_IGBINARY, CONST_PERSISTENT | CONST_CS);
} else
#endif
#if YAC_ENABLE_JSON
if (strcmp(YAC_G(serializer), "json") == 0) {
yac_serializer = yac_serializer_json_pack;
yac_unserializer = yac_serializer_json_unpack;
REGISTER_LONG_CONSTANT("YAC_SERIALIZER", YAC_SERIALIZER_JSON, CONST_PERSISTENT | CONST_CS);
} else
#endif
{
yac_serializer = yac_serializer_php_pack;
yac_unserializer = yac_serializer_php_unpack;
REGISTER_LONG_CONSTANT("YAC_SERIALIZER", YAC_SERIALIZER_PHP, CONST_PERSISTENT | CONST_CS);
}
INIT_CLASS_ENTRY(ce, "Yac", yac_methods);
yac_class_ce = zend_register_internal_class(&ce);
yac_class_ce->ce_flags |= ZEND_ACC_FINAL;
yac_class_ce->create_object = yac_object_new;
memcpy(&yac_obj_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
yac_obj_handlers.offset = XtOffsetOf(yac_object, std);
yac_obj_handlers.free_obj = yac_object_free;
if (YAC_G(enable)) {
yac_obj_handlers.read_property = (zend_object_read_property_t)yac_read_property;
yac_obj_handlers.write_property = (zend_object_write_property_t)yac_write_property;
yac_obj_handlers.unset_property = (zend_object_unset_property_t)yac_unset_property;
yac_obj_handlers.get_property_ptr_ptr = (zend_object_get_property_ptr_ptr_t)yac_read_property_ptr;
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
PHP_MSHUTDOWN_FUNCTION(yac)
{
UNREGISTER_INI_ENTRIES();
if (YAC_G(enable)) {
yac_storage_shutdown();
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(yac)
{
smart_str names = {0,};
php_info_print_table_start();
php_info_print_table_header(2, "yac support", "enabled");
php_info_print_table_row(2, "Version", PHP_YAC_VERSION);
php_info_print_table_row(2, "Shared Memory", yac_storage_shared_memory_name());
smart_str_appends(&names, "php");
#if YAC_ENABLE_MSGPACK
smart_str_appends(&names, ", msgpack");