1 /* 2 * Copyright (C) 2021 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 OHOS_SOCKET_H 16 #define OHOS_SOCKET_H 17 18 19 #include "dhcp_define.h" 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 int CreateRawSocket(int *rawFd); 26 int CreateKernelSocket(int *sockFd); 27 int BindRawSocket(const int rawFd, const int ifaceIndex, const uint8_t *ifaceAddr); 28 int BindKernelSocket(const int sockFd, const char *ifaceName, const uint32_t sockIp, const int sockPort, bool bCast); 29 int SendToDhcpPacket( 30 const struct DhcpPacket *sendPacket, uint32_t srcIp, uint32_t destIp, int destIndex, const uint8_t *destHwaddr); 31 int SendDhcpPacket(struct DhcpPacket *sendPacket, uint32_t srcIp, uint32_t destIp); 32 int CheckReadBytes(const int count, const int totLen); 33 int CheckUdpPacket(struct UdpDhcpPacket *pPacket, const int totLen); 34 int CheckPacketIpSum(struct UdpDhcpPacket *pPacket, const int bytes); 35 int CheckPacketUdpSum(struct UdpDhcpPacket *pPacket, const int bytes); 36 int GetDhcpRawPacket(struct DhcpPacket *getPacket, int rawFd); 37 int GetDhcpKernelPacket(struct DhcpPacket *getPacket, int sockFd); 38 39 #ifdef __cplusplus 40 } 41 #endif 42 #endif 43