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redis_array.c
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redis_array.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2009 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: Nicolas Favre-Felix <[email protected]> |
| Maintainer: Michael Grunder <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "common.h"
#include "ext/standard/info.h"
#include "php_ini.h"
#include "php_redis.h"
#include "redis_array.h"
#include <zend_exceptions.h>
#include "library.h"
#include "redis_array.h"
#include "redis_array_impl.h"
/* Simple macro to detect failure in a RedisArray call */
#define RA_CALL_FAILED(rv, cmd) \
((Z_TYPE_P(rv) == IS_BOOL && Z_BVAL_P(rv) == 0) || \
(Z_TYPE_P(rv) == IS_ARRAY && zend_hash_num_elements(Z_ARRVAL_P(rv)) == 0) || \
(Z_TYPE_P(rv) == IS_LONG && Z_LVAL_P(rv) == 0 && !strcasecmp(cmd, "TYPE"))) \
extern zend_class_entry *redis_ce;
zend_class_entry *redis_array_ce;
ZEND_BEGIN_ARG_INFO_EX(__redis_array_call_args, 0, 0, 2)
ZEND_ARG_INFO(0, function_name)
ZEND_ARG_INFO(0, arguments)
ZEND_END_ARG_INFO()
zend_function_entry redis_array_functions[] = {
PHP_ME(RedisArray, __construct, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, __call, __redis_array_call_args, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _hosts, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _target, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _instance, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _function, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _distributor, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _rehash, NULL, ZEND_ACC_PUBLIC)
/* special implementation for a few functions */
PHP_ME(RedisArray, select, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, info, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, ping, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, flushdb, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, flushall, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, mget, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, mset, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, del, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, getOption, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, setOption, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, keys, NULL, ZEND_ACC_PUBLIC)
/* Multi/Exec */
PHP_ME(RedisArray, multi, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, exec, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, discard, NULL, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, unwatch, NULL, ZEND_ACC_PUBLIC)
/* Aliases */
PHP_MALIAS(RedisArray, delete, del, NULL, ZEND_ACC_PUBLIC)
PHP_MALIAS(RedisArray, getMultiple, mget, NULL, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
static void redis_array_free(RedisArray *ra) {
int i;
/* Redis objects */
for(i=0;i<ra->count;i++) {
zval_dtor(ra->redis[i]);
efree(ra->redis[i]);
efree(ra->hosts[i]);
}
efree(ra->redis);
efree(ra->hosts);
/* delete hash function */
if(ra->z_fun) {
zval_dtor(ra->z_fun);
efree(ra->z_fun);
}
/* Distributor */
if(ra->z_dist) {
zval_dtor(ra->z_dist);
efree(ra->z_dist);
}
/* Delete pur commands */
zval_dtor(ra->z_pure_cmds);
efree(ra->z_pure_cmds);
/* Free structure itself */
efree(ra);
}
int le_redis_array;
void redis_destructor_redis_array(zend_rsrc_list_entry * rsrc TSRMLS_DC)
{
RedisArray *ra = (RedisArray*)rsrc->ptr;
/* Free previous ring if it's set */
if(ra->prev) redis_array_free(ra->prev);
/* Free parent array */
redis_array_free(ra);
}
/**
* redis_array_get
*/
PHP_REDIS_API int redis_array_get(zval *id, RedisArray **ra TSRMLS_DC)
{
zval **socket;
int resource_type;
if (Z_TYPE_P(id) != IS_OBJECT || zend_hash_find(Z_OBJPROP_P(id), "socket",
sizeof("socket"), (void **) &socket) == FAILURE) {
return -1;
}
*ra = (RedisArray *) zend_list_find(Z_LVAL_PP(socket), &resource_type);
if (!*ra || resource_type != le_redis_array) {
return -1;
}
return Z_LVAL_PP(socket);
}
uint32_t rcrc32(const char *s, size_t sz) {
static const uint32_t table[256] = {
0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,
0x9E6495A3,0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,
0xE7B82D07,0x90BF1D91,0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,
0x6DDDE4EB,0xF4D4B551,0x83D385C7,0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,
0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5,0x3B6E20C8,0x4C69105E,0xD56041E4,
0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B,0x35B5A8FA,0x42B2986C,
0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59,0x26D930AC,
0x51DE003A,0xC8D75180,0xBFD06116,0x21B4F4B5,0x56B3C423,0xCFBA9599,0xB8BDA50F,
0x2802B89E,0x5F058808,0xC60CD9B2,0xB10BE924,0x2F6F7C87,0x58684C11,0xC1611DAB,
0xB6662D3D,0x76DC4190,0x01DB7106,0x98D220BC,0xEFD5102A,0x71B18589,0x06B6B51F,
0x9FBFE4A5,0xE8B8D433,0x7807C9A2,0x0F00F934,0x9609A88E,0xE10E9818,0x7F6A0DBB,
0x086D3D2D,0x91646C97,0xE6635C01,0x6B6B51F4,0x1C6C6162,0x856530D8,0xF262004E,
0x6C0695ED,0x1B01A57B,0x8208F4C1,0xF50FC457,0x65B0D9C6,0x12B7E950,0x8BBEB8EA,
0xFCB9887C,0x62DD1DDF,0x15DA2D49,0x8CD37CF3,0xFBD44C65,0x4DB26158,0x3AB551CE,
0xA3BC0074,0xD4BB30E2,0x4ADFA541,0x3DD895D7,0xA4D1C46D,0xD3D6F4FB,0x4369E96A,
0x346ED9FC,0xAD678846,0xDA60B8D0,0x44042D73,0x33031DE5,0xAA0A4C5F,0xDD0D7CC9,
0x5005713C,0x270241AA,0xBE0B1010,0xC90C2086,0x5768B525,0x206F85B3,0xB966D409,
0xCE61E49F,0x5EDEF90E,0x29D9C998,0xB0D09822,0xC7D7A8B4,0x59B33D17,0x2EB40D81,
0xB7BD5C3B,0xC0BA6CAD,0xEDB88320,0x9ABFB3B6,0x03B6E20C,0x74B1D29A,0xEAD54739,
0x9DD277AF,0x04DB2615,0x73DC1683,0xE3630B12,0x94643B84,0x0D6D6A3E,0x7A6A5AA8,
0xE40ECF0B,0x9309FF9D,0x0A00AE27,0x7D079EB1,0xF00F9344,0x8708A3D2,0x1E01F268,
0x6906C2FE,0xF762575D,0x806567CB,0x196C3671,0x6E6B06E7,0xFED41B76,0x89D32BE0,
0x10DA7A5A,0x67DD4ACC,0xF9B9DF6F,0x8EBEEFF9,0x17B7BE43,0x60B08ED5,0xD6D6A3E8,
0xA1D1937E,0x38D8C2C4,0x4FDFF252,0xD1BB67F1,0xA6BC5767,0x3FB506DD,0x48B2364B,
0xD80D2BDA,0xAF0A1B4C,0x36034AF6,0x41047A60,0xDF60EFC3,0xA867DF55,0x316E8EEF,
0x4669BE79,0xCB61B38C,0xBC66831A,0x256FD2A0,0x5268E236,0xCC0C7795,0xBB0B4703,
0x220216B9,0x5505262F,0xC5BA3BBE,0xB2BD0B28,0x2BB45A92,0x5CB36A04,0xC2D7FFA7,
0xB5D0CF31,0x2CD99E8B,0x5BDEAE1D,0x9B64C2B0,0xEC63F226,0x756AA39C,0x026D930A,
0x9C0906A9,0xEB0E363F,0x72076785,0x05005713,0x95BF4A82,0xE2B87A14,0x7BB12BAE,
0x0CB61B38,0x92D28E9B,0xE5D5BE0D,0x7CDCEFB7,0x0BDBDF21,0x86D3D2D4,0xF1D4E242,
0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777,0x88085AE6,
0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45,
0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,
0x3E6E77DB,0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,
0x47B2CF7F,0x30B5FFE9,0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,
0xCDD70693,0x54DE5729,0x23D967BF,0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,
0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D};
unsigned long ret = 0xffffffff;
size_t i;
for (i = 0; i < sz; i++) {
ret = (ret >> 8) ^ table[ (ret ^ ((unsigned char)s[i])) & 0xFF ];
}
return (ret ^ 0xFFFFFFFF);
}
/* {{{ proto RedisArray RedisArray::__construct()
Public constructor */
PHP_METHOD(RedisArray, __construct)
{
zval *z0, *z_fun = NULL, *z_dist = NULL, **zpData, *z_opts = NULL;
int id;
RedisArray *ra = NULL;
zend_bool b_index = 0, b_autorehash = 0, b_pconnect = 0;
HashTable *hPrev = NULL, *hOpts = NULL;
long l_retry_interval = 0;
zend_bool b_lazy_connect = 0;
double d_connect_timeout = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|a", &z0, &z_opts) == FAILURE) {
RETURN_FALSE;
}
/* extract options */
if(z_opts) {
zval **z_retry_interval_pp;
zval **z_connect_timeout_pp;
hOpts = Z_ARRVAL_P(z_opts);
/* extract previous ring. */
if(FAILURE != zend_hash_find(hOpts, "previous", sizeof("previous"), (void**)&zpData) && Z_TYPE_PP(zpData) == IS_ARRAY
&& zend_hash_num_elements(Z_ARRVAL_PP(zpData)) != 0) {
/* consider previous array as non-existent if empty. */
hPrev = Z_ARRVAL_PP(zpData);
}
/* extract function name. */
if(FAILURE != zend_hash_find(hOpts, "function", sizeof("function"), (void**)&zpData)) {
MAKE_STD_ZVAL(z_fun);
*z_fun = **zpData;
zval_copy_ctor(z_fun);
}
/* extract function name. */
if(FAILURE != zend_hash_find(hOpts, "distributor", sizeof("distributor"), (void**)&zpData)) {
MAKE_STD_ZVAL(z_dist);
*z_dist = **zpData;
zval_copy_ctor(z_dist);
}
/* extract index option. */
if(FAILURE != zend_hash_find(hOpts, "index", sizeof("index"), (void**)&zpData) && Z_TYPE_PP(zpData) == IS_BOOL) {
b_index = Z_BVAL_PP(zpData);
}
/* extract autorehash option. */
if(FAILURE != zend_hash_find(hOpts, "autorehash", sizeof("autorehash"), (void**)&zpData) && Z_TYPE_PP(zpData) == IS_BOOL) {
b_autorehash = Z_BVAL_PP(zpData);
}
/* pconnect */
if(FAILURE != zend_hash_find(hOpts, "pconnect", sizeof("pconnect"), (void**)&zpData) && Z_TYPE_PP(zpData) == IS_BOOL) {
b_pconnect = Z_BVAL_PP(zpData);
}
/* extract retry_interval option. */
if (FAILURE != zend_hash_find(hOpts, "retry_interval", sizeof("retry_interval"), (void**)&z_retry_interval_pp)) {
if (Z_TYPE_PP(z_retry_interval_pp) == IS_LONG || Z_TYPE_PP(z_retry_interval_pp) == IS_STRING) {
if (Z_TYPE_PP(z_retry_interval_pp) == IS_LONG) {
l_retry_interval = Z_LVAL_PP(z_retry_interval_pp);
}
else {
l_retry_interval = atol(Z_STRVAL_PP(z_retry_interval_pp));
}
}
}
/* extract lazy connect option. */
if(FAILURE != zend_hash_find(hOpts, "lazy_connect", sizeof("lazy_connect"), (void**)&zpData) && Z_TYPE_PP(zpData) == IS_BOOL) {
b_lazy_connect = Z_BVAL_PP(zpData);
}
/* extract connect_timeout option */
if (FAILURE != zend_hash_find(hOpts, "connect_timeout", sizeof("connect_timeout"), (void**)&z_connect_timeout_pp)) {
if (Z_TYPE_PP(z_connect_timeout_pp) == IS_DOUBLE || Z_TYPE_PP(z_connect_timeout_pp) == IS_STRING) {
if (Z_TYPE_PP(z_connect_timeout_pp) == IS_DOUBLE) {
d_connect_timeout = Z_DVAL_PP(z_connect_timeout_pp);
}
else {
d_connect_timeout = atof(Z_STRVAL_PP(z_connect_timeout_pp));
}
}
}
}
/* extract either name of list of hosts from z0 */
switch(Z_TYPE_P(z0)) {
case IS_STRING:
ra = ra_load_array(Z_STRVAL_P(z0) TSRMLS_CC);
break;
case IS_ARRAY:
ra = ra_make_array(Z_ARRVAL_P(z0), z_fun, z_dist, hPrev, b_index, b_pconnect, l_retry_interval, b_lazy_connect, d_connect_timeout TSRMLS_CC);
break;
default:
WRONG_PARAM_COUNT;
break;
}
if(ra) {
ra->auto_rehash = b_autorehash;
ra->connect_timeout = d_connect_timeout;
if(ra->prev) ra->prev->auto_rehash = b_autorehash;
#if PHP_VERSION_ID >= 50400
id = zend_list_insert(ra, le_redis_array TSRMLS_CC);
#else
id = zend_list_insert(ra, le_redis_array);
#endif
add_property_resource(getThis(), "socket", id);
}
}
static void
ra_forward_call(INTERNAL_FUNCTION_PARAMETERS, RedisArray *ra, const char *cmd, int cmd_len, zval *z_args, zval *z_new_target) {
zval **zp_tmp, z_tmp;
char *key = NULL; /* set to avoid "unused-but-set-variable" */
int key_len;
int i;
zval *redis_inst;
zval z_fun, **z_callargs;
HashPosition pointer;
HashTable *h_args;
int argc;
zend_bool b_write_cmd = 0;
h_args = Z_ARRVAL_P(z_args);
argc = zend_hash_num_elements(h_args);
if(ra->z_multi_exec) {
redis_inst = ra->z_multi_exec; /* we already have the instance */
} else {
/* extract key and hash it. */
if(!(key = ra_find_key(ra, z_args, cmd, &key_len))) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "Could not find key");
RETURN_FALSE;
}
/* find node */
redis_inst = ra_find_node(ra, key, key_len, NULL TSRMLS_CC);
if(!redis_inst) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "Could not find any redis servers for this key.");
RETURN_FALSE;
}
}
/* check if write cmd */
b_write_cmd = ra_is_write_cmd(ra, cmd, cmd_len);
if(ra->index && b_write_cmd && !ra->z_multi_exec) { /* add MULTI + SADD */
ra_index_multi(redis_inst, MULTI TSRMLS_CC);
}
/* pass call through */
ZVAL_STRING(&z_fun, cmd, 0); /* method name */
z_callargs = emalloc(argc * sizeof(zval*));
/* copy args to array */
for (i = 0, zend_hash_internal_pointer_reset_ex(h_args, &pointer);
zend_hash_get_current_data_ex(h_args, (void**) &zp_tmp,
&pointer) == SUCCESS;
++i, zend_hash_move_forward_ex(h_args, &pointer)) {
z_callargs[i] = *zp_tmp;
}
/* multi/exec */
if(ra->z_multi_exec) {
call_user_function(&redis_ce->function_table, &ra->z_multi_exec, &z_fun, return_value, argc, z_callargs TSRMLS_CC);
efree(z_callargs);
RETURN_ZVAL(getThis(), 1, 0);
}
/* CALL! */
if(ra->index && b_write_cmd) {
/* call using discarded temp value and extract exec results after. */
call_user_function(&redis_ce->function_table, &redis_inst, &z_fun, &z_tmp, argc, z_callargs TSRMLS_CC);
zval_dtor(&z_tmp);
/* add keys to index. */
ra_index_key(key, key_len, redis_inst TSRMLS_CC);
/* call EXEC */
ra_index_exec(redis_inst, return_value, 0 TSRMLS_CC);
} else { /* call directly through. */
call_user_function(&redis_ce->function_table, &redis_inst, &z_fun, return_value, argc, z_callargs TSRMLS_CC);
/* check if we have an error. */
if(RA_CALL_FAILED(return_value,cmd) && ra->prev && !b_write_cmd) { /* there was an error reading, try with prev ring. */
/* ERROR, FALLBACK TO PREVIOUS RING and forward a reference to the first redis instance we were looking at. */
ra_forward_call(INTERNAL_FUNCTION_PARAM_PASSTHRU, ra->prev, cmd, cmd_len, z_args, z_new_target?z_new_target:redis_inst);
}
/* Autorehash if the key was found on the previous node if this is a read command and auto rehashing is on */
if(!RA_CALL_FAILED(return_value,cmd) && !b_write_cmd && z_new_target && ra->auto_rehash) { /* move key from old ring to new ring */
ra_move_key(key, key_len, redis_inst, z_new_target TSRMLS_CC);
}
}
/* cleanup */
efree(z_callargs);
}
PHP_METHOD(RedisArray, __call)
{
zval *object;
RedisArray *ra;
zval *z_args;
char *cmd;
int cmd_len;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Osa",
&object, redis_array_ce, &cmd, &cmd_len, &z_args) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
ra_forward_call(INTERNAL_FUNCTION_PARAM_PASSTHRU, ra, cmd, cmd_len, z_args, NULL);
}
PHP_METHOD(RedisArray, _hosts)
{
zval *object;
int i;
RedisArray *ra;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O",
&object, redis_array_ce) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
array_init(return_value);
for(i = 0; i < ra->count; ++i) {
add_next_index_string(return_value, ra->hosts[i], 1);
}
}
PHP_METHOD(RedisArray, _target)
{
zval *object;
RedisArray *ra;
char *key;
int key_len, i;
zval *redis_inst;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Os",
&object, redis_array_ce, &key, &key_len) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
redis_inst = ra_find_node(ra, key, key_len, &i TSRMLS_CC);
if(redis_inst) {
ZVAL_STRING(return_value, ra->hosts[i], 1);
} else {
RETURN_NULL();
}
}
PHP_METHOD(RedisArray, _instance)
{
zval *object;
RedisArray *ra;
char *target;
int target_len;
zval *z_redis;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Os",
&object, redis_array_ce, &target, &target_len) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
z_redis = ra_find_node_by_name(ra, target, target_len TSRMLS_CC);
if(z_redis) {
RETURN_ZVAL(z_redis, 1, 0);
} else {
RETURN_NULL();
}
}
PHP_METHOD(RedisArray, _function)
{
zval *object;
RedisArray *ra;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O",
&object, redis_array_ce) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
if(ra->z_fun) {
*return_value = *ra->z_fun;
zval_copy_ctor(return_value);
} else {
RETURN_NULL();
}
}
PHP_METHOD(RedisArray, _distributor)
{
zval *object;
RedisArray *ra;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O",
&object, redis_array_ce) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
if(ra->z_fun) {
*return_value = *ra->z_fun;
zval_copy_ctor(return_value);
} else {
RETURN_NULL();
}
}
PHP_METHOD(RedisArray, _rehash)
{
zval *object;
RedisArray *ra;
zend_fcall_info z_cb;
zend_fcall_info_cache z_cb_cache;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O|f",
&object, redis_array_ce, &z_cb, &z_cb_cache) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() == 0) {
ra_rehash(ra, NULL, NULL TSRMLS_CC);
} else {
ra_rehash(ra, &z_cb, &z_cb_cache TSRMLS_CC);
}
}
static void multihost_distribute(INTERNAL_FUNCTION_PARAMETERS, const char *method_name)
{
zval *object, z_fun, *z_tmp;
int i;
RedisArray *ra;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O",
&object, redis_array_ce) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
/* prepare call */
ZVAL_STRING(&z_fun, method_name, 0);
array_init(return_value);
for(i = 0; i < ra->count; ++i) {
MAKE_STD_ZVAL(z_tmp);
/* Call each node in turn */
call_user_function(&redis_ce->function_table, &ra->redis[i],
&z_fun, z_tmp, 0, NULL TSRMLS_CC);
add_assoc_zval(return_value, ra->hosts[i], z_tmp);
}
}
PHP_METHOD(RedisArray, info)
{
multihost_distribute(INTERNAL_FUNCTION_PARAM_PASSTHRU, "INFO");
}
PHP_METHOD(RedisArray, ping)
{
multihost_distribute(INTERNAL_FUNCTION_PARAM_PASSTHRU, "PING");
}
PHP_METHOD(RedisArray, flushdb)
{
multihost_distribute(INTERNAL_FUNCTION_PARAM_PASSTHRU, "FLUSHDB");
}
PHP_METHOD(RedisArray, flushall)
{
multihost_distribute(INTERNAL_FUNCTION_PARAM_PASSTHRU, "FLUSHALL");
}
PHP_METHOD(RedisArray, keys)
{
zval *object, *z_args[1], *z_tmp, z_fun;
RedisArray *ra;
char *pattern;
int pattern_len, i;
/* Make sure the prototype is correct */
if(zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Os",
&object, redis_array_ce, &pattern, &pattern_len) == FAILURE)
{
RETURN_FALSE;
}
/* Make sure we can grab our RedisArray object */
if(redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
/* Set up our function call (KEYS) */
ZVAL_STRING(&z_fun, "KEYS", 0);
/* We will be passing with one string argument (the pattern) */
MAKE_STD_ZVAL(z_args[0]);
ZVAL_STRINGL(z_args[0], pattern, pattern_len, 0);
/* Init our array return */
array_init(return_value);
/* Iterate our RedisArray nodes */
for(i=0; i<ra->count; ++i) {
/* Return for this node */
MAKE_STD_ZVAL(z_tmp);
/* Call KEYS on each node */
call_user_function(&redis_ce->function_table, &ra->redis[i], &z_fun, z_tmp, 1, z_args TSRMLS_CC);
/* Add the result for this host */
add_assoc_zval(return_value, ra->hosts[i], z_tmp);
}
/* Free arg array */
efree(z_args[0]);
}
PHP_METHOD(RedisArray, getOption)
{
zval *object, z_fun, *z_tmp, *z_args[1];
int i;
RedisArray *ra;
long opt;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol",
&object, redis_array_ce, &opt) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
/* prepare call */
ZVAL_STRING(&z_fun, "getOption", 0);
/* copy arg */
MAKE_STD_ZVAL(z_args[0]);
ZVAL_LONG(z_args[0], opt);
array_init(return_value);
for(i = 0; i < ra->count; ++i) {
MAKE_STD_ZVAL(z_tmp);
/* Call each node in turn */
call_user_function(&redis_ce->function_table, &ra->redis[i],
&z_fun, z_tmp, 1, z_args TSRMLS_CC);
add_assoc_zval(return_value, ra->hosts[i], z_tmp);
}
/* cleanup */
efree(z_args[0]);
}
PHP_METHOD(RedisArray, setOption)
{
zval *object, z_fun, *z_tmp, *z_args[2];
int i;
RedisArray *ra;
long opt;
char *val_str;
int val_len;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ols",
&object, redis_array_ce, &opt, &val_str, &val_len) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
/* prepare call */
ZVAL_STRING(&z_fun, "setOption", 0);
/* copy args */
MAKE_STD_ZVAL(z_args[0]);
ZVAL_LONG(z_args[0], opt);
MAKE_STD_ZVAL(z_args[1]);
ZVAL_STRINGL(z_args[1], val_str, val_len, 0);
array_init(return_value);
for(i = 0; i < ra->count; ++i) {
MAKE_STD_ZVAL(z_tmp);
/* Call each node in turn */
call_user_function(&redis_ce->function_table, &ra->redis[i],
&z_fun, z_tmp, 2, z_args TSRMLS_CC);
add_assoc_zval(return_value, ra->hosts[i], z_tmp);
}
/* cleanup */
efree(z_args[0]);
efree(z_args[1]);
}
PHP_METHOD(RedisArray, select)
{
zval *object, z_fun, *z_tmp, *z_args[2];
int i;
RedisArray *ra;
long opt;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol",
&object, redis_array_ce, &opt) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
/* prepare call */
ZVAL_STRING(&z_fun, "select", 0);
/* copy args */
MAKE_STD_ZVAL(z_args[0]);
ZVAL_LONG(z_args[0], opt);
array_init(return_value);
for(i = 0; i < ra->count; ++i) {
MAKE_STD_ZVAL(z_tmp);
/* Call each node in turn */
call_user_function(&redis_ce->function_table, &ra->redis[i],
&z_fun, z_tmp, 1, z_args TSRMLS_CC);
add_assoc_zval(return_value, ra->hosts[i], z_tmp);
}
/* cleanup */
efree(z_args[0]);
}
#define HANDLE_MULTI_EXEC(cmd) do {\
if (redis_array_get(getThis(), &ra TSRMLS_CC) >= 0 && ra->z_multi_exec) {\
int i, num_varargs;\
zval ***varargs = NULL;\
zval z_arg_array;\
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O*",\
&object, redis_array_ce, &varargs, &num_varargs) == FAILURE) {\
RETURN_FALSE;\
}\
/* copy all args into a zval hash table */\
array_init(&z_arg_array);\
for(i = 0; i < num_varargs; ++i) {\
zval *z_tmp;\
MAKE_STD_ZVAL(z_tmp);\
*z_tmp = **varargs[i];\
zval_copy_ctor(z_tmp);\
INIT_PZVAL(z_tmp);\
add_next_index_zval(&z_arg_array, z_tmp);\
}\
/* call */\
ra_forward_call(INTERNAL_FUNCTION_PARAM_PASSTHRU, ra, cmd, sizeof(cmd)-1, &z_arg_array, NULL);\
zval_dtor(&z_arg_array);\
if(varargs) {\
efree(varargs);\
}\
return;\
}\
}while(0)
/* MGET will distribute the call to several nodes and regroup the values. */
PHP_METHOD(RedisArray, mget)
{
zval *object, *z_keys, z_fun, *z_argarray, **data, *z_ret, **z_cur, *z_tmp_array, *z_tmp;
int i, j, n;
RedisArray *ra;
int *pos, argc, *argc_each;
HashTable *h_keys;
HashPosition pointer;
zval **redis_instances, **argv;
/* Multi/exec support */
HANDLE_MULTI_EXEC("MGET");
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oa",
&object, redis_array_ce, &z_keys) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}
/* prepare call */
ZVAL_STRING(&z_fun, "MGET", 0);
/* init data structures */
h_keys = Z_ARRVAL_P(z_keys);
argc = zend_hash_num_elements(h_keys);
argv = emalloc(argc * sizeof(zval*));
pos = emalloc(argc * sizeof(int));
redis_instances = emalloc(argc * sizeof(zval*));
memset(redis_instances, 0, argc * sizeof(zval*));
argc_each = emalloc(ra->count * sizeof(int));
memset(argc_each, 0, ra->count * sizeof(int));
/* associate each key to a redis node */
for (i = 0, zend_hash_internal_pointer_reset_ex(h_keys, &pointer);
zend_hash_get_current_data_ex(h_keys, (void**) &data,
&pointer) == SUCCESS;
zend_hash_move_forward_ex(h_keys, &pointer), ++i)
{
/* If we need to represent a long key as a string */
unsigned int key_len;
char kbuf[40], *key_lookup;
/* phpredis proper can only use string or long keys, so restrict to that here */
if(Z_TYPE_PP(data) != IS_STRING && Z_TYPE_PP(data) != IS_LONG) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "MGET: all keys must be strings or longs");
efree(argv);
efree(pos);
efree(redis_instances);
efree(argc_each);
RETURN_FALSE;
}
/* Convert to a string for hash lookup if it isn't one */
if(Z_TYPE_PP(data) == IS_STRING) {
key_len = Z_STRLEN_PP(data);
key_lookup = Z_STRVAL_PP(data);
} else {
key_len = snprintf(kbuf, sizeof(kbuf), "%ld", Z_LVAL_PP(data));
key_lookup = (char*)kbuf;
}
/* Find our node */
redis_instances[i] = ra_find_node(ra, key_lookup, key_len, &pos[i] TSRMLS_CC);
argc_each[pos[i]]++; /* count number of keys per node */
argv[i] = *data;
}
/* prepare return value */
array_init(return_value);
MAKE_STD_ZVAL(z_tmp_array);
array_init(z_tmp_array);
/* calls */
for(n = 0; n < ra->count; ++n) { /* for each node */
/* We don't even need to make a call to this node if no keys go there */
if(!argc_each[n]) continue;
/* copy args for MGET call on node. */
MAKE_STD_ZVAL(z_argarray);
array_init(z_argarray);
for(i = 0; i < argc; ++i) {
if(pos[i] != n) continue;
MAKE_STD_ZVAL(z_tmp);
*z_tmp = *argv[i];
zval_copy_ctor(z_tmp);
INIT_PZVAL(z_tmp);
add_next_index_zval(z_argarray, z_tmp);
}
/* call MGET on the node */
MAKE_STD_ZVAL(z_ret);
call_user_function(&redis_ce->function_table, &ra->redis[n],
&z_fun, z_ret, 1, &z_argarray TSRMLS_CC);
/* cleanup args array */
zval_ptr_dtor(&z_argarray);
for(i = 0, j = 0; i < argc; ++i) {
/* Error out if we didn't get a proper response */
if(Z_TYPE_P(z_ret) != IS_ARRAY) {
/* cleanup */
zval_dtor(z_ret);
efree(z_ret);
zval_ptr_dtor(&z_tmp_array);
efree(pos);
efree(redis_instances);
efree(argc_each);
/* failure */
RETURN_FALSE;
}
if(pos[i] != n) continue;
zend_hash_quick_find(Z_ARRVAL_P(z_ret), NULL, 0, j, (void**)&z_cur);
j++;
MAKE_STD_ZVAL(z_tmp);
*z_tmp = **z_cur;
zval_copy_ctor(z_tmp);
INIT_PZVAL(z_tmp);
add_index_zval(z_tmp_array, i, z_tmp);
}
zval_dtor(z_ret);
efree(z_ret);
}
/* copy temp array in the right order to return_value */
for(i = 0; i < argc; ++i) {
zend_hash_quick_find(Z_ARRVAL_P(z_tmp_array), NULL, 0, i, (void**)&z_cur);
MAKE_STD_ZVAL(z_tmp);
*z_tmp = **z_cur;
zval_copy_ctor(z_tmp);
INIT_PZVAL(z_tmp);
add_next_index_zval(return_value, z_tmp);
}
/* cleanup */
zval_ptr_dtor(&z_tmp_array);
efree(argv);
efree(pos);
efree(redis_instances);
efree(argc_each);
}
/* MSET will distribute the call to several nodes and regroup the values. */
PHP_METHOD(RedisArray, mset)
{
zval *object, *z_keys, z_fun, *z_argarray, **data, z_ret;
int i, n;
RedisArray *ra;
int *pos, argc, *argc_each;
HashTable *h_keys;
zval **redis_instances, *redis_inst, **argv;
char *key, **keys, **key_free, kbuf[40];
unsigned int key_len, free_idx = 0;
int type, *key_lens;
unsigned long idx;
/* Multi/exec support */
HANDLE_MULTI_EXEC("MSET");
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oa",
&object, redis_array_ce, &z_keys) == FAILURE) {
RETURN_FALSE;
}
if (redis_array_get(object, &ra TSRMLS_CC) < 0) {
RETURN_FALSE;
}