mbed-os/source/Core/include/sockbuf.h

45 lines
1.5 KiB
C

/*
* Copyright (c) 2016-2017, Arm Limited and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed 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.
*/
#ifndef SOCKBUF_H_
#define SOCKBUF_H_
#include "Core/include/ns_buffer.h"
typedef struct sockbuf {
uint32_t data_bytes;
uint32_t data_byte_limit;
uint32_t buf_overhead_bytes;
uint32_t buf_overhead_byte_limit;
uint32_t low_water_mark;
buffer_list_t bufs;
} sockbuf_t;
void sockbuf_init(sockbuf_t *sb);
void sockbuf_append(sockbuf_t *sb, buffer_t *buf);
void sockbuf_append_and_compress(sockbuf_t *sb, buffer_t *buf);
void sockbuf_alloc(sockbuf_t *sb, const buffer_t *buf);
void sockbuf_free(sockbuf_t *sb, const buffer_t *buf);
void sockbuf_drop(sockbuf_t *sb, uint32_t len);
void sockbuf_drop_first(sockbuf_t *sb);
void sockbuf_flush(sockbuf_t *sb);
bool sockbuf_reserve(sockbuf_t *sb, uint32_t space);
int32_t sockbuf_space(const sockbuf_t *sb);
void sockbuf_check(sockbuf_t *sb);
#endif /* SOCKBUF_H_ */