Update memory allocation and adjust trace (#102)

-Do not use temporary heap for message handler class as the class is never
 deallocated
-Small adjustment to traces

Author: Arto Kinnunen

source/coap_connection_handler.c

@@ -404,7 +404,6 @@ static int send_to_real_socket(int8_t socket_id, const ns_address_t *address, co
         ns_cmsghdr_t *cmsg;
         ns_in6_pktinfo_t *pktinfo;
 
-        tr_debug("send from source address %s", trace_array(source_address, 16));
         msghdr.msg_control = ancillary_databuffer;
         msghdr.msg_controllen = sizeof(ancillary_databuffer);
 

source/coap_message_handler.c

@@ -166,7 +166,7 @@ static int8_t coap_rx_function(sn_coap_hdr_s *resp_ptr, sn_nsdl_addr_s *address_
     (void)address_ptr;
     (void)param;
 
-    tr_warn("transaction was not handled %d", resp_ptr->msg_id);
+    tr_warn("transaction not handled %d", resp_ptr->msg_id);
     if (!resp_ptr) {
         return -1;
     }
@@ -193,7 +193,7 @@ coap_msg_handler_t *coap_message_handler_init(void *(*used_malloc_func_ptr)(uint
     }
 
     coap_msg_handler_t *handle;
-    handle = used_malloc_func_ptr(sizeof(coap_msg_handler_t));
+    handle = ns_dyn_mem_alloc(sizeof(coap_msg_handler_t));
     if (handle == NULL) {
         return NULL;
     }
@@ -207,7 +207,7 @@ coap_msg_handler_t *coap_message_handler_init(void *(*used_malloc_func_ptr)(uint
 
     handle->coap = sn_coap_protocol_init(used_malloc_func_ptr, used_free_func_ptr, used_tx_callback_ptr, &coap_rx_function);
     if( !handle->coap ){
-        used_free_func_ptr(handle);
+        ns_dyn_mem_free(handle);
         return NULL;
     }