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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.
*/
#pragma once
#include "tls/s2n_connection.h"
/* The default read I/O context for communication over a socket */
struct s2n_socket_read_io_context {
/* The peer's fd */
int fd;
/* Has TCP_QUICKACK been set since the last read */
unsigned int tcp_quickack_set:1;
/* Original SO_RCVLOWAT socket option settings before s2n takes over the fd */
unsigned int original_rcvlowat_is_set:1;
int original_rcvlowat_val;
};
/* The default write I/O context for communication over a socket */
struct s2n_socket_write_io_context {
/* The peer's fd */
int fd;
/* Original TCP_CORK socket option settings before s2n takes over the fd */
unsigned int original_cork_is_set:1;
int original_cork_val;
};
extern int s2n_socket_quickack(struct s2n_connection *conn);
extern int s2n_socket_read_snapshot(struct s2n_connection *conn);
extern int s2n_socket_write_snapshot(struct s2n_connection *conn);
extern int s2n_socket_read_restore(struct s2n_connection *conn);
extern int s2n_socket_write_restore(struct s2n_connection *conn);
extern int s2n_socket_was_corked(struct s2n_connection *conn);
extern int s2n_socket_write_cork(struct s2n_connection *conn);
extern int s2n_socket_write_uncork(struct s2n_connection *conn);
extern int s2n_socket_set_read_size(struct s2n_connection *conn, int size);
extern int s2n_socket_read(void *io_context, uint8_t *buf, uint32_t len);
extern int s2n_socket_write(void *io_context, const uint8_t *buf, uint32_t len);
extern int s2n_socket_is_ipv6(int fd, uint8_t *ipv6);
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