1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef WIFI_DIRECT_IPV4_H 16 #define WIFI_DIRECT_IPV4_H 17 18 #include <stdint.h> 19 #include <stddef.h> 20 #include "wifi_direct_types.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 #define IPV4_INFO_BYTES_ARRAY_LEN 5 27 28 struct WifiDirectIpv4Info { 29 uint32_t address; // network byte order 30 uint8_t prefixLength; 31 }; 32 33 int32_t WifiDirectIpStringToIpv4(const char *ipString, struct WifiDirectIpv4Info *ipv4); 34 int32_t WifiDirectIpv4ToString(struct WifiDirectIpv4Info *ipv4, char *ipString, size_t ipStringSize); 35 36 int32_t WifiDirectIpv4InfoToBytes(const struct WifiDirectIpv4Info *ipv4, size_t ipv4Count, 37 uint8_t *data, size_t *dataLen); 38 void WifiDirectIpv4BytesToInfo(const uint8_t *ipv4Bytes, size_t ipv4BytesLen, 39 struct WifiDirectIpv4Info *ipv4, size_t *ipv4Count); 40 41 #ifdef __cplusplus 42 } 43 #endif 44 #endif