104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*
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* Copyright 2008 Arsen Chaloyan
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include "apt_task_msg.h"
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/** Abstract pool of task messages to allocate task messages from */
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struct apt_task_msg_pool_t {
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void (*destroy)(apt_task_msg_pool_t *pool);
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apt_task_msg_t* (*acquire_msg)(apt_task_msg_pool_t *pool);
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void (*release_msg)(apt_task_msg_t *task_msg);
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void *obj;
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apr_pool_t *pool;
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};
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/** Dynamic allocation of messages (no actual pool exist)*/
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typedef struct apt_msg_pool_dynamic_t apt_msg_pool_dynamic_t;
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struct apt_msg_pool_dynamic_t {
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apr_size_t size;
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};
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static apt_task_msg_t* dynamic_pool_acquire_msg(apt_task_msg_pool_t *task_msg_pool)
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{
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apt_msg_pool_dynamic_t *dynamic_pool = task_msg_pool->obj;
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apt_task_msg_t *task_msg = malloc(dynamic_pool->size);
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task_msg->msg_pool = task_msg_pool;
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task_msg->type = TASK_MSG_USER;
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task_msg->sub_type = 0;
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return task_msg;
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}
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static void dynamic_pool_release_msg(apt_task_msg_t *task_msg)
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{
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if(task_msg) {
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free(task_msg);
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}
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}
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static void dynamic_pool_destroy(apt_task_msg_pool_t *task_msg_pool)
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{
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/* nothing to do */
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}
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APT_DECLARE(apt_task_msg_pool_t*) apt_task_msg_pool_create_dynamic(apr_size_t msg_size, apr_pool_t *pool)
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{
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apt_task_msg_pool_t *task_msg_pool = apr_palloc(pool,sizeof(apt_task_msg_pool_t));
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apt_msg_pool_dynamic_t *dynamic_pool = apr_palloc(pool,sizeof(apt_msg_pool_dynamic_t));
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dynamic_pool->size = msg_size + sizeof(apt_task_msg_t) - 1;
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task_msg_pool->pool = pool;
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task_msg_pool->obj = dynamic_pool;
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task_msg_pool->acquire_msg = dynamic_pool_acquire_msg;
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task_msg_pool->release_msg = dynamic_pool_release_msg;
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task_msg_pool->destroy = dynamic_pool_destroy;
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return task_msg_pool;
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}
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/** Static allocation of messages from message pool (not implemented yet) */
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APT_DECLARE(apt_task_msg_pool_t*) apt_task_msg_pool_create_static(apr_size_t msg_size, apr_size_t pool_size, apr_pool_t *pool)
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{
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return NULL;
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}
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APT_DECLARE(void) apt_task_msg_pool_destroy(apt_task_msg_pool_t *msg_pool)
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{
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if(msg_pool->destroy) {
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msg_pool->destroy(msg_pool);
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}
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}
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APT_DECLARE(apt_task_msg_t*) apt_task_msg_acquire(apt_task_msg_pool_t *task_msg_pool)
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{
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if(!task_msg_pool->acquire_msg)
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return NULL;
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return task_msg_pool->acquire_msg(task_msg_pool);
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}
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APT_DECLARE(void) apt_task_msg_release(apt_task_msg_t *task_msg)
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{
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apt_task_msg_pool_t *task_msg_pool = task_msg->msg_pool;
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if(task_msg_pool->release_msg)
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task_msg_pool->release_msg(task_msg);
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}
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