| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| #include <proton/object.h> |
| #include <proton/reactor.h> |
| #include <proton/event.h> |
| #include <string.h> |
| #include <assert.h> |
| |
| struct pn_handler_t { |
| void (*dispatch) (pn_handler_t *, pn_event_t *, pn_event_type_t); |
| void (*finalize) (pn_handler_t *); |
| pn_list_t *children; |
| }; |
| |
| void pn_handler_initialize(void *object) { |
| pn_handler_t *handler = (pn_handler_t *) object; |
| handler->dispatch = NULL; |
| handler->children = NULL; |
| } |
| |
| void pn_handler_finalize(void *object) { |
| pn_handler_t *handler = (pn_handler_t *) object; |
| if (handler->finalize) { |
| handler->finalize(handler); |
| } |
| pn_free(handler->children); |
| } |
| |
| #define pn_handler_hashcode NULL |
| #define pn_handler_compare NULL |
| #define pn_handler_inspect NULL |
| |
| pn_handler_t *pn_handler(void (*dispatch)(pn_handler_t *, pn_event_t *, pn_event_type_t)) { |
| return pn_handler_new(dispatch, 0, NULL); |
| } |
| |
| pn_handler_t *pn_handler_new(void (*dispatch)(pn_handler_t *, pn_event_t *, pn_event_type_t), size_t size, |
| void (*finalize)(pn_handler_t *)) { |
| static const pn_class_t clazz = PN_CLASS(pn_handler); |
| pn_handler_t *handler = (pn_handler_t *) pn_class_new(&clazz, sizeof(pn_handler_t) + size); |
| handler->dispatch = dispatch; |
| handler->finalize = finalize; |
| memset(pn_handler_mem(handler), 0, size); |
| return handler; |
| } |
| |
| void pn_handler_free(pn_handler_t *handler) { |
| if (handler) { |
| if (handler->children) { |
| size_t n = pn_list_size(handler->children); |
| for (size_t i = 0; i < n; i++) { |
| void *child = pn_list_get(handler->children, i); |
| pn_decref(child); |
| } |
| } |
| |
| pn_decref(handler); |
| } |
| } |
| |
| void *pn_handler_mem(pn_handler_t *handler) { |
| return (void *) (handler + 1); |
| } |
| |
| void pn_handler_add(pn_handler_t *handler, pn_handler_t *child) { |
| assert(handler); |
| if (!handler->children) { |
| handler->children = pn_list(PN_OBJECT, 0); |
| } |
| pn_list_add(handler->children, child); |
| } |
| |
| void pn_handler_clear(pn_handler_t *handler) { |
| assert(handler); |
| if (handler->children) { |
| pn_list_clear(handler->children); |
| } |
| } |
| |
| void pn_handler_dispatch(pn_handler_t *handler, pn_event_t *event, pn_event_type_t type) { |
| assert(handler); |
| if (handler->dispatch) { |
| handler->dispatch(handler, event, type); |
| } |
| if (handler->children) { |
| size_t n = pn_list_size(handler->children); |
| for (size_t i = 0; i < n; i++) { |
| pn_handler_t *child = (pn_handler_t *) pn_list_get(handler->children, i); |
| pn_handler_dispatch(child, event, type); |
| } |
| } |
| } |