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