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_DHCPC_H 16 #define OHOS_DHCPC_H 17 18 #include <pthread.h> 19 20 #include "dhcp_define.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 #ifdef OHOS_EUPDATER 27 #define WORKDIR "/tmp/service/el1/public/dhcp/" 28 #else 29 #define WORKDIR "/data/service/el1/public/dhcp/" 30 #endif // OHOS_EUPDATER 31 32 #define DHCPC_NAME "dhcp_client_service" 33 #define DHCPC_CONF "dhcp_client_service.conf" 34 #define DHCPC_PID "dhcp_client_service.pid" 35 #define DHCPC_VERSION "1.0" 36 #define DHCPC_LEASE "dhcp_client_service-%s.lease" 37 38 enum DHCP_IP_TYPE { 39 DHCP_IP_TYPE_NONE = 0, 40 DHCP_IP_TYPE_ALL = 1, 41 DHCP_IP_TYPE_V4 = 2, 42 DHCP_IP_TYPE_V6 = 3 43 }; 44 45 struct DhcpClientCfg { 46 char workDir[DIR_MAX_LEN]; /* Current process working directory. */ 47 char confFile[DIR_MAX_LEN]; /* Current process Configuration Directory. */ 48 char pidFile[DIR_MAX_LEN]; /* Current process pid file. */ 49 char resultFile[DIR_MAX_LEN]; /* Save the obtained IPv4 result. */ 50 char ifaceName[INFNAME_SIZE]; /* Name of the network interface used by the current process. */ 51 int ifaceIndex; /* Index of the network interface used by the current process. */ 52 unsigned int ifaceIpv4; /* IPv4 of the network interface used by the current process. */ 53 unsigned int getMode; /* Current process obtaining IPv4 address mode. */ 54 unsigned char ifaceMac[MAC_ADDR_LEN]; /* Mac addr of the network interface used by the current process. */ 55 unsigned char *pOptClientId; /* DHCP packet options field clientid. */ 56 bool timeoutExit; /* DHCP packet sending times out and exits automatically. */ 57 char leaseFile[DIR_MAX_LEN]; 58 char result6File[DIR_MAX_LEN]; 59 pthread_t thrId; 60 pid_t parentProcessId; 61 }; 62 63 int StartProcess(void); 64 int StopProcess(const char *pidFile); 65 int GetProStatus(const char *pidFile); 66 void *CheckParentProcessIsExist(void *arg); 67 68 struct DhcpClientCfg *GetDhcpClientCfg(void); 69 70 #ifdef __cplusplus 71 } 72 #endif 73 #endif 74