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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 <stdint.h> 
#include <s2n.h> 
 
#include "stuffer/s2n_stuffer.h" 
#include "tls/extensions/s2n_extension_list.h" 
 
#include "utils/s2n_array.h" 
/* 
 * the 'data' pointers in the below blobs 
 * point to data in the raw_message stuffer 
 */ 
struct s2n_client_hello { 
    struct s2n_stuffer raw_message; 
 
    s2n_parsed_extensions_list extensions; 
    struct s2n_blob cipher_suites; 
 
    unsigned int parsed:1; 
}; 
 
int s2n_client_hello_free(struct s2n_client_hello *client_hello); 
 
extern struct s2n_client_hello *s2n_connection_get_client_hello(struct s2n_connection *conn); 
 
extern ssize_t s2n_client_hello_get_raw_message_length(struct s2n_client_hello *ch); 
extern ssize_t s2n_client_hello_get_raw_message(struct s2n_client_hello *ch, uint8_t *out, uint32_t max_length); 
 
extern ssize_t s2n_client_hello_get_cipher_suites_length(struct s2n_client_hello *ch); 
extern ssize_t s2n_client_hello_get_cipher_suites(struct s2n_client_hello *ch, uint8_t *out, uint32_t max_length); 
 
extern ssize_t s2n_client_hello_get_extensions_length(struct s2n_client_hello *ch); 
extern ssize_t s2n_client_hello_get_extensions(struct s2n_client_hello *ch, uint8_t *out, uint32_t max_length);