/*

+----------------------------------------------------------------------+

| 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 |

| license@php.net so we can mail you a copy immediately. |

+----------------------------------------------------------------------+

| Author: Nicolas Favre-Felix <n.favre-felix@owlient.eu> |

| Maintainer: Michael Grunder <michael.grunder@gmail.com> |

+----------------------------------------------------------------------+

*/

#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 <zend_exceptions.h>

#include "library.h"

#include "redis_array.h"

#include "redis_array_impl.h"

/* Simple macro to detect failure in a RedisArray call */

#if (PHP_MAJOR_VERSION < 7)

#define RA_CALL_FAILED(rv, cmd) ( \

(Z_TYPE_P(rv) == IS_BOOL && !Z_LVAL_P(rv)) || \

(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")) \

)

#else

#define RA_CALL_FAILED(rv, cmd) ( \

(Z_TYPE_P(rv) == IS_FALSE) || \

(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")) \

)

#endif

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)

PHP_ME(RedisArray, save, NULL, ZEND_ACC_PUBLIC)

PHP_ME(RedisArray, bgsave, 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)

PHP_FE_END

};

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->hosts[i]);

}

efree(ra->redis);

efree(ra->hosts);

/* delete hash function */

zval_dtor(&ra->z_fun);

/* Distributor */

zval_dtor(&ra->z_dist);

/* Delete pur commands */

zval_dtor(&ra->z_pure_cmds);

/* Free structure itself */

efree(ra);

}

#if (PHP_MAJOR_VERSION < 7)

typedef struct {

zend_object std;

RedisArray *ra;

} redis_array_object;

void

free_redis_array_object(void *object TSRMLS_DC)

{

redis_array_object *obj = (redis_array_object *)object;

zend_object_std_dtor(&obj->std TSRMLS_CC);

if (obj->ra) {

if (obj->ra->prev) redis_array_free(obj->ra->prev);

redis_array_free(obj->ra);

}

efree(obj);

}

zend_object_value

create_redis_array_object(zend_class_entry *ce TSRMLS_DC)

{

zend_object_value retval;

redis_array_object *obj = ecalloc(1, sizeof(redis_array_object));

memset(obj, 0, sizeof(redis_array_object));

zend_object_std_init(&obj->std, ce TSRMLS_CC);

#if PHP_VERSION_ID < 50399

zval *tmp;

zend_hash_copy(obj->std.properties, &ce->default_properties,

(copy_ctor_func_t)zval_add_ref, (void *)&tmp, sizeof(zval *));

#endif

retval.handle = zend_objects_store_put(obj,

(zend_objects_store_dtor_t)zend_objects_destroy_object,

(zend_objects_free_object_storage_t)free_redis_array_object,

NULL TSRMLS_CC);

retval.handlers = zend_get_std_object_handlers();

return retval;

}

#else

typedef struct {

RedisArray *ra;

zend_object std;

} redis_array_object;

zend_object_handlers redis_array_object_handlers;

void

free_redis_array_object(zend_object *object)

{

redis_array_object *obj = (redis_array_object *)((char *)(object) - XtOffsetOf(redis_array_object, std));

if (obj->ra) {

if (obj->ra->prev) redis_array_free(obj->ra->prev);

redis_array_free(obj->ra);

}

zend_object_std_dtor(&obj->std TSRMLS_CC);

}

zend_object *

create_redis_array_object(zend_class_entry *ce TSRMLS_DC)

{

redis_array_object *obj = ecalloc(1, sizeof(redis_array_object) + zend_object_properties_size(ce));

obj->ra = NULL;

zend_object_std_init(&obj->std, ce TSRMLS_CC);

object_properties_init(&obj->std, ce);

memcpy(&redis_array_object_handlers, zend_get_std_object_handlers(), sizeof(redis_array_object_handlers));

redis_array_object_handlers.offset = XtOffsetOf(redis_array_object, std);

redis_array_object_handlers.free_obj = free_redis_array_object;

obj->std.handlers = &redis_array_object_handlers;

return &obj->std;

}

#endif

/**

* redis_array_get

*/

PHP_REDIS_API RedisArray *

redis_array_get(zval *id TSRMLS_DC)

{

redis_array_object *obj;

if (Z_TYPE_P(id) == IS_OBJECT) {

#if (PHP_MAJOR_VERSION < 7)

obj = (redis_array_object *)zend_objects_get_address(id TSRMLS_CC);

#else

obj = (redis_array_object *)((char *)Z_OBJ_P(id) - XtOffsetOf(redis_array_object, std));

#endif

if (obj->ra) {

return obj->ra;

}

}

return NULL;

}

/* {{{ proto RedisArray RedisArray::__construct()

Public constructor */

PHP_METHOD(RedisArray, __construct)

{

zval *z0, z_fun, z_dist, *zpData, *z_opts = NULL;

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;

redis_array_object *obj;

if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|a", &z0, &z_opts) == FAILURE) {

RETURN_FALSE;

}

ZVAL_NULL(&z_fun);

ZVAL_NULL(&z_dist);

/* extract options */

if(z_opts) {

hOpts = Z_ARRVAL_P(z_opts);

/* extract previous ring. */

if ((zpData = zend_hash_str_find(hOpts, "previous", sizeof("previous") - 1)) != NULL && Z_TYPE_P(zpData) == IS_ARRAY

&& zend_hash_num_elements(Z_ARRVAL_P(zpData)) != 0

) {

/* consider previous array as non-existent if empty. */

hPrev = Z_ARRVAL_P(zpData);

}

/* extract function name. */

if ((zpData = zend_hash_str_find(hOpts, "function", sizeof("function") - 1)) != NULL) {

ZVAL_ZVAL(&z_fun, zpData, 1, 0);

}

/* extract function name. */

if ((zpData = zend_hash_str_find(hOpts, "distributor", sizeof("distributor") - 1)) != NULL) {

ZVAL_ZVAL(&z_dist, zpData, 1, 0);

}

/* extract index option. */

if ((zpData = zend_hash_str_find(hOpts, "index", sizeof("index") - 1)) != NULL) {

b_index = zval_is_true(zpData);

}

/* extract autorehash option. */

if ((zpData = zend_hash_str_find(hOpts, "autorehash", sizeof("autorehash") - 1)) != NULL) {

b_autorehash = zval_is_true(zpData);

}

/* pconnect */

if ((zpData = zend_hash_str_find(hOpts, "pconnect", sizeof("pconnect") - 1)) != NULL) {

b_pconnect = zval_is_true(zpData);

}

/* extract retry_interval option. */

if ((zpData = zend_hash_str_find(hOpts, "retry_interval", sizeof("retry_interval") - 1)) != NULL) {

if (Z_TYPE_P(zpData) == IS_LONG) {

l_retry_interval = Z_LVAL_P(zpData);

} else if (Z_TYPE_P(zpData) == IS_STRING) {

l_retry_interval = atol(Z_STRVAL_P(zpData));

}

}

/* extract lazy connect option. */

if ((zpData = zend_hash_str_find(hOpts, "lazy_connect", sizeof("lazy_connect") - 1)) != NULL) {

b_lazy_connect = zval_is_true(zpData);

}

/* extract connect_timeout option */

if ((zpData = zend_hash_str_find(hOpts, "connect_timeout", sizeof("connect_timeout") - 1)) != NULL) {

if (Z_TYPE_P(zpData) == IS_DOUBLE) {

d_connect_timeout = Z_DVAL_P(zpData);

} else if (Z_TYPE_P(zpData) == IS_LONG) {

d_connect_timeout = Z_LVAL_P(zpData);

} else if (Z_TYPE_P(zpData) == IS_STRING) {

d_connect_timeout = atof(Z_STRVAL_P(zpData));

}

}

}

/* 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;

}

zval_dtor(&z_dist);

zval_dtor(&z_fun);

if(ra) {

ra->auto_rehash = b_autorehash;

ra->connect_timeout = d_connect_timeout;

if(ra->prev) ra->prev->auto_rehash = b_autorehash;

#if (PHP_MAJOR_VERSION < 7)

obj = (redis_array_object *)zend_objects_get_address(getThis() TSRMLS_CC);

#else

obj = (redis_array_object *)((char *)Z_OBJ_P(getThis()) - XtOffsetOf(redis_array_object, std));

#endif

obj->ra = ra;

}

}

static void

ra_forward_call(INTERNAL_FUNCTION_PARAMETERS, RedisArray *ra, const char *cmd, int cmd_len, zval *z_args, zval *z_new_target) {

zval z_tmp, z_fun, *redis_inst, *z_callargs, *zp_tmp;

char *key = NULL; /* set to avoid "unused-but-set-variable" */

int i, key_len = 0, argc;

HashTable *h_args;

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);

/* pass call through */

ZVAL_STRINGL(&z_fun, cmd, cmd_len); /* method name */

z_callargs = ecalloc(argc + 1, sizeof(zval));

/* copy args to array */

i = 0;

ZEND_HASH_FOREACH_VAL(h_args, zp_tmp) {

z_callargs[i] = *zp_tmp;

i++;

} ZEND_HASH_FOREACH_END();

/* multi/exec */

if(ra->z_multi_exec) {

call_user_function(&redis_ce->function_table, ra->z_multi_exec, &z_fun, &z_tmp, argc, z_callargs);

zval_dtor(&z_fun);

zval_dtor(&z_tmp);

efree(z_callargs);

RETURN_ZVAL(getThis(), 1, 0);

}

/* CALL! */

if(ra->index && b_write_cmd) {

/* add MULTI + SADD */

ra_index_multi(redis_inst, MULTI TSRMLS_CC);

/* 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);

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);

if (!b_write_cmd) {

/* check if we have an error. */

if (ra->prev && RA_CALL_FAILED(return_value, cmd)) { /* there was an error reading, try with prev ring. */

/* Free previous return value */

zval_dtor(return_value);

/* 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->auto_rehash && z_new_target && !RA_CALL_FAILED(return_value, cmd)) { /* move key from old ring to new ring */

ra_move_key(key, key_len, redis_inst, z_new_target TSRMLS_CC);

}

}

}

/* cleanup */

zval_dtor(&z_fun);

efree(z_callargs);

}

PHP_METHOD(RedisArray, __call)

{

zval *object;

RedisArray *ra;

zval *z_args;

char *cmd;

strlen_t 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 ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

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 ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

array_init(return_value);

for(i = 0; i < ra->count; ++i) {

add_next_index_string(return_value, ra->hosts[i]);

}

}

PHP_METHOD(RedisArray, _target)

{

zval *object;

RedisArray *ra;

char *key;

strlen_t key_len;

zval *redis_inst;

int i;

if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Os",

&object, redis_array_ce, &key, &key_len) == FAILURE) {

RETURN_FALSE;

}

if ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

redis_inst = ra_find_node(ra, key, key_len, &i TSRMLS_CC);

if(redis_inst) {

RETURN_STRING(ra->hosts[i]);

} else {

RETURN_NULL();

}

}

PHP_METHOD(RedisArray, _instance)

{

zval *object;

RedisArray *ra;

char *target;

strlen_t 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 ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

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, *z_fun;

RedisArray *ra;

if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O",

&object, redis_array_ce) == FAILURE) {

RETURN_FALSE;

}

if ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

z_fun = &ra->z_fun;

RETURN_ZVAL(z_fun, 1, 0);

}

PHP_METHOD(RedisArray, _distributor)

{

zval *object, *z_dist;

RedisArray *ra;

if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O",

&object, redis_array_ce) == FAILURE) {

RETURN_FALSE;

}

if ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

z_dist = &ra->z_dist;

RETURN_ZVAL(z_dist, 1, 0);

}

PHP_METHOD(RedisArray, _rehash)

{

zval *object;

RedisArray *ra;

zend_fcall_info z_cb = {0};

zend_fcall_info_cache z_cb_cache = {0};

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 ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

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;

int i;

RedisArray *ra;

if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O",

&object, redis_array_ce) == FAILURE) {

RETURN_FALSE;

}

if ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

/* prepare call */

ZVAL_STRING(&z_fun, method_name);

array_init(return_value);

for(i = 0; i < ra->count; ++i) {

zval zv, *z_tmp = &zv;

#if (PHP_MAJOR_VERSION < 7)

MAKE_STD_ZVAL(z_tmp);

#endif

/* Call each node in turn */

call_user_function(&redis_ce->function_table, &ra->redis[i], &z_fun, z_tmp, 0, NULL);

add_assoc_zval(return_value, ra->hosts[i], z_tmp);

}

zval_dtor(&z_fun);

}

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, save)

{

multihost_distribute(INTERNAL_FUNCTION_PARAM_PASSTHRU, "SAVE");

}

PHP_METHOD(RedisArray, bgsave)

{

multihost_distribute(INTERNAL_FUNCTION_PARAM_PASSTHRU, "BGSAVE");

}

PHP_METHOD(RedisArray, keys)

{

zval *object, z_args[1], z_fun;

RedisArray *ra;

char *pattern;

strlen_t pattern_len;

int 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 ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

/* Set up our function call (KEYS) */

ZVAL_STRINGL(&z_fun, "KEYS", 4);

/* We will be passing with one string argument (the pattern) */

ZVAL_STRINGL(z_args, pattern, pattern_len);

/* Init our array return */

array_init(return_value);

/* Iterate our RedisArray nodes */

for(i=0; i<ra->count; ++i) {

zval zv, *z_tmp = &zv;

#if (PHP_MAJOR_VERSION < 7)

/* Return for this node */

MAKE_STD_ZVAL(z_tmp);

#endif

/* Call KEYS on each node */

call_user_function(&redis_ce->function_table, &ra->redis[i], &z_fun, z_tmp, 1, z_args);

/* Add the result for this host */

add_assoc_zval(return_value, ra->hosts[i], z_tmp);

}

zval_dtor(&z_args[0]);

zval_dtor(&z_fun);

}

PHP_METHOD(RedisArray, getOption)

{

zval *object, z_fun, z_args[1];

int i;

RedisArray *ra;

zend_long opt;

if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol",

&object, redis_array_ce, &opt) == FAILURE) {

RETURN_FALSE;

}

if ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

/* prepare call */

ZVAL_STRINGL(&z_fun, "getOption", 9);

/* copy arg */

ZVAL_LONG(&z_args[0], opt);

array_init(return_value);

for(i = 0; i < ra->count; ++i) {

zval zv, *z_tmp = &zv;

#if (PHP_MAJOR_VERSION < 7)

MAKE_STD_ZVAL(z_tmp);

#endif

/* Call each node in turn */

call_user_function(&redis_ce->function_table, &ra->redis[i], &z_fun, z_tmp, 1, z_args);

add_assoc_zval(return_value, ra->hosts[i], z_tmp);

}

zval_dtor(&z_fun);

}

PHP_METHOD(RedisArray, setOption)

{

zval *object, z_fun, z_args[2];

int i;

RedisArray *ra;

zend_long opt;

char *val_str;

strlen_t 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 ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

/* prepare call */

ZVAL_STRINGL(&z_fun, "setOption", 9);

/* copy args */

ZVAL_LONG(&z_args[0], opt);

ZVAL_STRINGL(&z_args[1], val_str, val_len);

array_init(return_value);

for(i = 0; i < ra->count; ++i) {

zval zv, *z_tmp = &zv;

#if (PHP_MAJOR_VERSION < 7)

MAKE_STD_ZVAL(z_tmp);

#endif

/* Call each node in turn */

call_user_function(&redis_ce->function_table, &ra->redis[i], &z_fun, z_tmp, 2, z_args);

add_assoc_zval(return_value, ra->hosts[i], z_tmp);

}

zval_dtor(&z_args[1]);

zval_dtor(&z_fun);

}

PHP_METHOD(RedisArray, select)

{

zval *object, z_fun, z_args[1];

int i;

RedisArray *ra;

zend_long opt;

if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol",

&object, redis_array_ce, &opt) == FAILURE) {

RETURN_FALSE;

}

if ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

/* prepare call */

ZVAL_STRINGL(&z_fun, "select", 6);

/* copy args */

ZVAL_LONG(&z_args[0], opt);

array_init(return_value);

for(i = 0; i < ra->count; ++i) {

zval zv, *z_tmp = &zv;

#if (PHP_MAJOR_VERSION < 7)

MAKE_STD_ZVAL(z_tmp);

#endif

/* Call each node in turn */

call_user_function(&redis_ce->function_table, &ra->redis[i], &z_fun, z_tmp, 1, z_args);

add_assoc_zval(return_value, ra->hosts[i], z_tmp);

}

zval_dtor(&z_fun);

}

#if (PHP_MAJOR_VERSION < 7)

#define HANDLE_MULTI_EXEC(ra, cmd) do { \

if (ra && 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)

#else

#define HANDLE_MULTI_EXEC(ra, cmd) do { \

if (ra && ra->z_multi_exec) { \

int i, num_varargs; \

zval *varargs = NULL, 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; \

ZVAL_ZVAL(&z_tmp, &varargs[i], 1, 0); \

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); \

return; \

} \

} while(0)

#endif

/* MGET will distribute the call to several nodes and regroup the values. */

PHP_METHOD(RedisArray, mget)

{

zval *object, *z_keys, 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;

zval **argv;

if ((ra = redis_array_get(getThis() TSRMLS_CC)) == NULL) {

RETURN_FALSE;

}

/* Multi/exec support */

HANDLE_MULTI_EXEC(ra, "MGET");

if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oa",

&object, redis_array_ce, &z_keys) == FAILURE) {

RETURN_FALSE;

}

/* 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));

argc_each = emalloc(ra->count * sizeof(int));

memset(argc_each, 0, ra->count * sizeof(int));

/* associate each key to a redis node */

i = 0;

ZEND_HASH_FOREACH_VAL(h_keys, data) {

/* 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_P(data) != IS_STRING && Z_TYPE_P(data) != IS_LONG) {

php_error_docref(NULL TSRMLS_CC, E_ERROR, "MGET: all keys must be strings or longs");

efree(argv);

efree(pos);

efree(argc_each);

RETURN_FALSE;

}

/* Convert to a string for hash lookup if it isn't one */

if (Z_TYPE_P(data) == IS_STRING) {

key_len = Z_STRLEN_P(data);

key_lookup = Z_STRVAL_P(data);

} else {

key_len = snprintf(kbuf, sizeof(kbuf), "%ld", Z_LVAL_P(data));

key_lookup = (char*)kbuf;

}

/* Find our node */

if (ra_find_node(ra, key_lookup, key_len, &pos[i] TSRMLS_CC) == NULL) {

/* TODO: handle */

}

argc_each[pos[i]]++; /* count number of keys per node */

argv[i++] = data;

} ZEND_HASH_FOREACH_END();

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. */

array_init(&z_argarray);

for(i = 0; i < argc; ++i) {

if(pos[i] != n) continue;

#if (PHP_MAJOR_VERSION < 7)

MAKE_STD_ZVAL(z_tmp);

#else

zval zv;

z_tmp = &zv;

#endif

ZVAL_ZVAL(z_tmp, argv[i], 1, 0);

add_next_index_zval(&z_argarray, z_tmp);

}

zval z_fun;

/* prepare call */

ZVAL_STRINGL(&z_fun, "MGET", 4);

/* call MGET on the node */

call_user_function(&redis_ce->function_table, &ra->redis[n], &z_fun, &z_ret, 1, &z_argarray);

zval_dtor(&z_fun);

/* cleanup args array */

zval_dtor(&z_argarray);

/* Error out if we didn't get a proper response */

if (Z_TYPE(z_ret) != IS_ARRAY) {

/* cleanup */

zval_dtor(&z_ret);

zval_dtor(&z_tmp_array);

efree(argv);

efree(pos);

efree(argc_each);

/* failure */

RETURN_FALSE;

}

for(i = 0, j = 0; i < argc; ++i) {

if(pos[i] != n) continue;

z_cur = zend_hash_index_find(Z_ARRVAL(z_ret), j++);

#if (PHP_MAJOR_VERSION < 7)

MAKE_STD_ZVAL(z_tmp);

#else

zval zv;

z_tmp = &zv;

#endif

ZVAL_ZVAL(z_tmp, z_cur, 1, 0);

add_index_zval(&z_tmp_array, i, z_tmp);

}

zval_dtor(&z_ret);

}

array_init(return_value);

/* copy temp array in the right order to return_value */

for(i = 0; i < argc; ++i) {

z_cur = zend_hash_index_find(Z_ARRVAL(z_tmp_array), i);

#if (PHP_MAJOR_VERSION < 7)

MAKE_STD_ZVAL(z_tmp);

#else

zval zv;

z_tmp = &zv;

#endif

ZVAL_ZVAL(z_tmp, z_cur, 1, 0);

add_next_index_zval(return_value, z_tmp);

}

/* cleanup */

zval_dtor(&z_tmp_array);

efree(argv);

efree(pos);