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#ifndef __dispatch_buffer_h__
#define __dispatch_buffer_h__ 1
/*
* 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 <qpid/dispatch/ctools.h>
typedef struct dx_buffer_t dx_buffer_t;
DEQ_DECLARE(dx_buffer_t, dx_buffer_list_t);
struct dx_buffer_t {
DEQ_LINKS(dx_buffer_t);
unsigned int size;
};
/**
*/
void dx_buffer_set_size(size_t size);
/**
*/
dx_buffer_t *dx_allocate_buffer(void);
/**
* @param buf A pointer to an allocated buffer
*/
void dx_free_buffer(dx_buffer_t *buf);
/**
* @param buf A pointer to an allocated buffer
* @return A pointer to the first octet in the buffer
*/
unsigned char *dx_buffer_base(dx_buffer_t *buf);
/**
* @param buf A pointer to an allocated buffer
* @return A pointer to the first free octet in the buffer, the insert point for new data.
*/
unsigned char *dx_buffer_cursor(dx_buffer_t *buf);
/**
* @param buf A pointer to an allocated buffer
* @return The number of octets in the buffer's free space, how many octets may be inserted.
*/
size_t dx_buffer_capacity(dx_buffer_t *buf);
/**
* @param buf A pointer to an allocated buffer
* @return The number of octets of data in the buffer
*/
size_t dx_buffer_size(dx_buffer_t *buf);
/**
* Notify the buffer that octets have been inserted at the buffer's cursor. This will advance the
* cursor by len octets.
*
* @param buf A pointer to an allocated buffer
* @param len The number of octets that have been appended to the buffer
*/
void dx_buffer_insert(dx_buffer_t *buf, size_t len);
#endif
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