fix problem when doing a connect many times in one request

Author: savar

redis.c

@@ -349,6 +349,7 @@ PHP_METHOD(Redis, __construct)
 PHP_METHOD(Redis, connect)
 {
     zval *object;
+	zval **socket;
     int host_len, id;
     char *host = NULL;
     long port = -1;
@@ -371,6 +372,16 @@ PHP_METHOD(Redis, connect)
             port = 6379;
     }
 
+    /* if there is a redis sock already we have to remove it from the list */
+    if (redis_sock_get(object, &redis_sock TSRMLS_CC) > 0) {
+	  if (zend_hash_find(Z_OBJPROP_P(object), "socket",
+              sizeof("socket"), (void **) &socket) == FAILURE) {
+		/* maybe there is a socket but the id isn't known.. what to do? */
+	  } else {
+		zend_list_delete(Z_LVAL_PP(socket)); /* the refcount should be decreased and the detructor called */
+	  }
+    }
+
     redis_sock = redis_sock_create(host, host_len, port, timeout);
 
     if (redis_sock_server_open(redis_sock, 1 TSRMLS_CC) < 0) {
@@ -4479,5 +4490,5 @@ PHP_METHOD(Redis, slaveof)
 }
 /* }}} */
 
-/* vim: set tabstop=4 expandtab: */
+/* vim: set tabstop=4 noexpandtab: */