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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 |
| 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 */
#define RA_CALL_FAILED(rv, cmd) ( \
PHPREDIS_ZVAL_IS_STRICT_FALSE(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")) \
)
extern zend_class_entry *redis_ce;
zend_class_entry *redis_array_ce;
ZEND_BEGIN_ARG_INFO_EX(arginfo_ctor, 0, 0, 1)
ZEND_ARG_INFO(0, name_or_hosts)
ZEND_ARG_ARRAY_INFO(0, options, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_call, 0, 0, 2)
ZEND_ARG_INFO(0, function_name)
ZEND_ARG_INFO(0, arguments)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_target, 0, 0, 1)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_instance, 0, 0, 1)
ZEND_ARG_INFO(0, host)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_rehash, 0, 0, 0)
ZEND_ARG_INFO(0, callable)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_select, 0, 0, 1)
ZEND_ARG_INFO(0, index)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mget, 0, 0, 1)
ZEND_ARG_INFO(0, keys)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mset, 0, 0, 1)
ZEND_ARG_INFO(0, pairs)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_del, 0, 0, 1)
ZEND_ARG_INFO(0, keys)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_getopt, 0, 0, 1)
ZEND_ARG_INFO(0, opt)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_setopt, 0, 0, 2)
ZEND_ARG_INFO(0, opt)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_keys, 0, 0, 1)
ZEND_ARG_INFO(0, pattern)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_multi, 0, 0, 1)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_flush, 0, 0, 0)
ZEND_ARG_INFO(0, async)
ZEND_END_ARG_INFO()
zend_function_entry redis_array_functions[] = {
PHP_ME(RedisArray, __call, arginfo_call, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, __construct, arginfo_ctor, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _continuum, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _distributor, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _function, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _hosts, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _instance, arginfo_instance, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _rehash, arginfo_rehash, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, _target, arginfo_target, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, bgsave, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, del, arginfo_del, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, discard, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, exec, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, flushall, arginfo_flush, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, flushdb, arginfo_flush, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, getOption, arginfo_getopt, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, info, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, keys, arginfo_keys, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, mget, arginfo_mget, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, mset, arginfo_mset, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, multi, arginfo_multi, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, ping, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, save, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, select, arginfo_select, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, setOption,arginfo_setopt, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, unlink, arginfo_void, ZEND_ACC_PUBLIC)
PHP_ME(RedisArray, unwatch, arginfo_void, ZEND_ACC_PUBLIC)
PHP_MALIAS(RedisArray, delete, del, arginfo_del, ZEND_ACC_PUBLIC)
PHP_MALIAS(RedisArray, getMultiple, mget, arginfo_mget, ZEND_ACC_PUBLIC)
PHP_FE_END
};
static void
redis_array_free(RedisArray *ra)
{
int i;
/* continuum */
if (ra->continuum) {
efree(ra->continuum->points);
efree(ra->continuum);
}
/* Redis objects */
for(i = 0; i< ra->count; i++) {
zval_dtor(&ra->redis[i]);
zend_string_release(ra->hosts[i]);
}
efree(ra->redis);
efree(ra->hosts);
/* delete hash function */
zval_dtor(&ra->z_fun);
/* Distributor */
zval_dtor(&ra->z_dist);
/* Hashing algorithm */
if (ra->algorithm) zend_string_release(ra->algorithm);
/* Delete pur commands */
zend_hash_destroy(ra->pure_cmds);
FREE_HASHTABLE(ra->pure_cmds);
/* Free structure itself */
efree(ra);
}
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;
}
/**
* 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) {
obj = PHPREDIS_GET_OBJECT(redis_array_object, id);
return obj->ra;
}
return NULL;
}
PHP_REDIS_API int
ra_call_user_function(HashTable *function_table, zval *object, zval *function_name, zval *retval_ptr, uint param_count, zval params[] TSRMLS_DC)
{
if (object) {
redis_object *redis = PHPREDIS_GET_OBJECT(redis_object, object);
if (redis->sock->auth && redis->sock->status != REDIS_SOCK_STATUS_CONNECTED) {
redis_sock_server_open(redis->sock TSRMLS_CC);
redis_sock_auth(redis->sock TSRMLS_CC);
}
}
return call_user_function(function_table, object, function_name, retval_ptr, param_count, params);
}
/* {{{ 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, consistent = 0;
HashTable *hPrev = NULL, *hOpts = NULL;
long l_retry_interval = 0;
zend_bool b_lazy_connect = 0;
double d_connect_timeout = 0, read_timeout = 0.0;
zend_string *algorithm = NULL, *auth = NULL;
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 function name. */
if ((zpData = zend_hash_str_find(hOpts, "algorithm", sizeof("algorithm") - 1)) != NULL && Z_TYPE_P(zpData) == IS_STRING) {
algorithm = zval_get_string(zpData);
}
/* 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 read_timeout option */
if ((zpData = zend_hash_str_find(hOpts, "read_timeout", sizeof("read_timeout") - 1)) != NULL) {
if (Z_TYPE_P(zpData) == IS_DOUBLE) {
read_timeout = Z_DVAL_P(zpData);
} else if (Z_TYPE_P(zpData) == IS_LONG) {
read_timeout = Z_LVAL_P(zpData);
} else if (Z_TYPE_P(zpData) == IS_STRING) {
read_timeout = atof(Z_STRVAL_P(zpData));
}
}
/* consistent */
if ((zpData = zend_hash_str_find(hOpts, "consistent", sizeof("consistent") - 1)) != NULL) {
consistent = zval_is_true(zpData);
}
/* auth */
if ((zpData = zend_hash_str_find(hOpts, "auth", sizeof("auth") - 1)) != NULL) {
auth = zval_get_string(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, read_timeout, consistent, algorithm, auth TSRMLS_CC);
break;
default:
WRONG_PARAM_COUNT;
}
if (algorithm) zend_string_release(algorithm);
if (auth) zend_string_release(auth);
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;
obj = PHPREDIS_GET_OBJECT(redis_array_object, getThis());
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_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);
if ((argc = zend_hash_num_elements(h_args)) == 0) {
RETURN_FALSE;
}
if(ra->z_multi_exec) {
redis_inst = ra->z_multi_exec; /* we already have the instance */
} else {
/* extract key and hash it. */
if ((zp_tmp = zend_hash_index_find(h_args, 0)) == NULL || Z_TYPE_P(zp_tmp) != IS_STRING) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "Could not find key");
RETURN_FALSE;
}
key = Z_STRVAL_P(zp_tmp);
key_len = Z_STRLEN_P(zp_tmp);
/* 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;
}
}
/* pass call through */
ZVAL_STRINGL(&z_fun, cmd, cmd_len); /* method name */
z_callargs = ecalloc(argc, sizeof(zval));
/* copy args to array */
i = 0;
ZEND_HASH_FOREACH_VAL(h_args, zp_tmp) {
ZVAL_ZVAL(&z_callargs[i], zp_tmp, 1, 0);
i++;
} ZEND_HASH_FOREACH_END();
/* multi/exec */
if(ra->z_multi_exec) {
ra_call_user_function(&redis_ce->function_table, ra->z_multi_exec, &z_fun, return_value, argc, z_callargs TSRMLS_CC);
zval_dtor(return_value);
zval_dtor(&z_fun);
for (i = 0; i < argc; ++i) {
zval_dtor(&z_callargs[i]);
}
efree(z_callargs);
RETURN_ZVAL(getThis(), 1, 0);
}
/* check if write cmd */
b_write_cmd = ra_is_write_cmd(ra, cmd, cmd_len);
/* 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. */
ra_call_user_function(&redis_ce->function_table, redis_inst, &z_fun, return_value, argc, z_callargs TSRMLS_CC);
zval_dtor(return_value);
/* 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. */
ra_call_user_function(&redis_ce->function_table, redis_inst, &z_fun, return_value, argc, z_callargs TSRMLS_CC);
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);
for (i = 0; i < argc; ++i) {
zval_dtor(&z_callargs[i]);
}
efree(z_callargs);
}
PHP_METHOD(RedisArray, __call)
{
zval *object;
RedisArray *ra;
zval *z_args;
char *cmd;
size_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_stringl(return_value, ZSTR_VAL(ra->hosts[i]), ZSTR_LEN(ra->hosts[i]));
}
}
PHP_METHOD(RedisArray, _target)
{
zval *object;
RedisArray *ra;
char *key;
size_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_STRINGL(ZSTR_VAL(ra->hosts[i]), ZSTR_LEN(ra->hosts[i]));
} else {
RETURN_NULL();
}
}
PHP_METHOD(RedisArray, _instance)
{
zval *object;
RedisArray *ra;
char *target;
size_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);
}
}
PHP_METHOD(RedisArray, _continuum)
{
int i;
zval *object, z_ret;
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);
if (ra->continuum) {
for (i = 0; i < ra->continuum->nb_points; ++i) {
array_init(&z_ret);
add_assoc_long(&z_ret, "index", ra->continuum->points[i].index);
add_assoc_long(&z_ret, "value", ra->continuum->points[i].value);
add_next_index_zval(return_value, &z_ret);
}
}
}
static void
multihost_distribute_call(RedisArray *ra, zval *return_value, zval *z_fun, int argc, zval *argv TSRMLS_DC)
{
zval z_arg, z_tmp;
int i;
/* Init our array return */
array_init(return_value);
/* Iterate our RedisArray nodes */
for (i = 0; i < ra->count; ++i) {
/* Call each node in turn */
ra_call_user_function(&redis_array_ce->function_table, &ra->redis[i], z_fun, &z_tmp, argc, argv TSRMLS_CC);
/* Add the result for this host */
add_assoc_zval_ex(return_value, ZSTR_VAL(ra->hosts[i]), ZSTR_LEN(ra->hosts[i]), &z_arg);
}
}
static void
multihost_distribute(INTERNAL_FUNCTION_PARAMETERS, const char *method_name)
{
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;
}
/* prepare call */
ZVAL_STRING(&z_fun, method_name);
multihost_distribute_call(ra, return_value, &z_fun, 0, NULL TSRMLS_CC);
zval_dtor(&z_fun);
}
static void
multihost_distribute_flush(INTERNAL_FUNCTION_PARAMETERS, const char *method_name)
{
zval *object, z_fun, z_args[1];
zend_bool async = 0;
RedisArray *ra;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O|b",
&object, redis_array_ce, &async) == FAILURE) {
RETURN_FALSE;
}
if ((ra = redis_array_get(object TSRMLS_CC)) == NULL) {
RETURN_FALSE;
}
/* prepare call */
ZVAL_STRING(&z_fun, method_name);
ZVAL_BOOL(&z_args[0], async);
multihost_distribute_call(ra, return_value, &z_fun, 1, z_args TSRMLS_CC);
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_flush(INTERNAL_FUNCTION_PARAM_PASSTHRU, "FLUSHDB");
}
PHP_METHOD(RedisArray, flushall)
{
multihost_distribute_flush(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_fun, z_args[1];
RedisArray *ra;
char *pattern;
size_t pattern_len;
/* 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);
multihost_distribute_call(ra, return_value, &z_fun, 1, z_args TSRMLS_CC);
zval_dtor(&z_args[0]);
zval_dtor(&z_fun);
}
PHP_METHOD(RedisArray, getOption)
{
zval *object, z_fun, z_args[1];
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);
multihost_distribute_call(ra, return_value, &z_fun, 1, z_args TSRMLS_CC);
zval_dtor(&z_fun);
}
PHP_METHOD(RedisArray, setOption)
{
zval *object, z_fun, z_args[2];
RedisArray *ra;
zend_long opt;
char *val_str;
size_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);
multihost_distribute_call(ra, return_value, &z_fun, 2, z_args TSRMLS_CC);
zval_dtor(&z_args[1]);
zval_dtor(&z_fun);
}
PHP_METHOD(RedisArray, select)
{
zval *object, z_fun, z_args[1];
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);
multihost_distribute_call(ra, return_value, &z_fun, 1, z_args TSRMLS_CC);
zval_dtor(&z_fun);
}
#define HANDLE_MULTI_EXEC(ra, cmd, cmdlen) 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, cmdlen, &z_arg_array, NULL); \
zval_dtor(&z_arg_array); \
return; \
} \
} while(0)
/* 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;
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", sizeof("MGET") - 1);
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);
if ((argc = zend_hash_num_elements(h_keys)) == 0) {
RETURN_FALSE;
}
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;
/* Handle the possibility that we're a reference */
ZVAL_DEREF(data);
/* 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;
zval z_ret;
ZVAL_ZVAL(&z_ret, argv[i], 1, 0);
add_next_index_zval(&z_argarray, &z_ret);
}
zval z_fun;
/* prepare call */
ZVAL_STRINGL(&z_fun, "MGET", 4);
/* call MGET on the node */
ra_call_user_function(&redis_ce->function_table, &ra->redis[n], &z_fun, &z_ret, 1, &z_argarray TSRMLS_CC);
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 || (z_cur = zend_hash_index_find(Z_ARRVAL(z_ret), j++)) == NULL) continue;
zval z_ret;