diff -r 99a34860c105 -r d938228c382e src/server/util/pool.c
--- a/src/server/util/pool.c	Wed Nov 02 19:19:01 2022 +0100
+++ b/src/server/util/pool.c	Sun Nov 06 15:53:32 2022 +0100
@@ -78,6 +78,14 @@
 /* Pool global statistics */
 static pool_global_stats_t pool_global_stats;
 
+/* ucx allocator pool class */
+static cx_allocator_class pool_allocator_class = {
+    (void *(*)(void *,size_t )) pool_malloc,
+    (void *(*)(void *,void *, size_t )) pool_realloc,
+    (void *(*)(void *,size_t ,size_t  )) pool_calloc,
+    (void (*)(void *, void *))pool_free
+};
+
 static int 
 pool_internal_init()
 {
@@ -134,6 +142,10 @@
     return REQ_PROCEED;
 }
 
+CxAllocator* pool_allocator(pool_handle_t *pool) {
+    return &((pool_t *)pool)->allocator;
+}
+
 static block_t *
 _create_block(pool_t *pool, int size)
 {
@@ -250,7 +262,10 @@
         //if (pool_global_stats.lock == NULL) { // TODO: remove
         //    pool_internal_init();
         //}
-
+        
+        newpool->allocator.cl = &pool_allocator_class;
+        newpool->allocator.data = newpool;
+        
         newpool->used_blocks = NULL;
         newpool->free_blocks = NULL;
         newpool->free_size = 0;
@@ -718,8 +733,8 @@
 #endif /* PER_POOL_STATISTICS */
 
 // new
-sstr_t sstrdup_pool(pool_handle_t *pool, sstr_t s) {
-    sstr_t newstring;
+cxmutstr cx_strdup_pool(pool_handle_t *pool, cxmutstr s) {
+    cxmutstr newstring;
     newstring.ptr = (char*)pool_malloc(pool, s.length + 1);
     if (newstring.ptr != NULL) {
         newstring.length = s.length;