linux 平台软件应用程序例程tar.gz

/************************************************************************************ *Description: sdk_net_public *Created on: 2023-2-16 *Author: yanwei ************************************************************************************/ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <errno.h> #include <string.h> #include "stdint.h" #include "sdk_net_public.h" //获取指定网卡的IP地址 int32_t sdk_net_ip_get ( net_device_type_e nic, uint8_t * p_ip ) { FILE *fp = NULL; char buffer[32]={0}; char buffer2[32]={0}; int8_t cmd[64]={0}; switch(nic) { case WLAN0: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $2}'", "wlan0"); break; case WLAN1: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $2}'", "wlan1"); break; case ETH0: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $2}'", "eth0"); break; case ETH1: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $2}'", "eth1"); break; case PPP0: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $2}'", "usb0"); break; default: printf("input error\n"); return -2; break; } fp=popen(cmd, "r"); fgets(buffer, sizeof(buffer), fp); if(memcmp(buffer, buffer2, sizeof(buffer))==0) { printf("SDK erro: this net device is no exit !!!\n"); return -1; } memcpy(p_ip ,buffer+5,sizeof(buffer)-5); pclose(fp); return 0; } //set指定网卡的IP地址 int32_t sdk_net_ip_set ( net_device_type_e nic, uint8_t * p_ip ) { FILE *fp = NULL; char buffer[32]={0}; int8_t cmd[128]={0}; int8_t cmd2[64]={0}; switch(nic) { case WLAN0: sprintf(cmd, "ifconfig %s %s", "wlan0",p_ip ); break; case WLAN1: sprintf(cmd, "ifconfig %s %s", "wlan1",p_ip ); break; case ETH0: sprintf(cmd, "ifconfig %s %s", "eth0",p_ip ); break; case ETH1: sprintf(cmd, "ifconfig %s %s", "eth1",p_ip ); break; case PPP0: sprintf(cmd, "ifconfig %s %s", "usb0",p_ip ); break; default: printf("SDK input error\n"); return -2; break; } fp=popen(cmd, "r"); pclose(fp); sprintf(cmd2, "echo %s> /etc/init.d/Net_sdk_set/sdk_net_ip_set.sh", cmd ); fp=popen(cmd2, "r"); pclose(fp); return 0; } //------------------------------fail //获取指定网卡的子网掩码地址 int32_t sdk_net_subnetmask_get ( uint32_t nic, uint8_t * p_subnet) { FILE *fp = NULL; char buffer[32]={0}; char buffer2[32]={0}; int8_t cmd[64]={0}; //减小内存 switch(nic) { case WLAN0: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $4}'", "wlan0"); break; case WLAN1: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $4}'", "wlan1"); break; case ETH0: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $4}'", "eth0"); break; case ETH1: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $4}'", "eth1"); break; case PPP0: sprintf(cmd, "ifconfig %s | grep \"inet \" | awk '{print $4}'", "usb0");//最好是用宏定义 break; default: printf("input error\n");//最好是减少打印 return -2; break; } fp=popen(cmd, "r"); fgets(buffer, sizeof(buffer), fp); if(memcmp(buffer, buffer2, sizeof(buffer))==0) { printf("SDK erro: this net device is no exit !!!\n"); return -1; } memcpy(p_subnet,buffer+5,sizeof(buffer)-5); pclose(fp); return 0; } //--------------------------------------ok //设置指定网卡的子网掩码地址 int32_t sdk_net_subnetmask_set ( net_device_type_e nic, uint8_t * p_subnet ) { FILE *fp = NULL; char buffer[32]={0}; int8_t cmd[64]={0}; int8_t cmd2[64]={0}; switch(nic) { case WLAN0: sprintf(cmd, "ifconfig %s netmask %s", "wlan0",p_subnet ); break; case WLAN1: sprintf(cmd, "ifconfig %s netmask %s", "wlan1",p_subnet ); break; case ETH0: sprintf(cmd, "ifconfig %s netmask %s", "eth0",p_subnet ); break; case ETH1: sprintf(cmd, "ifconfig %s netmask %s", "eth1",p_subnet ); break; case PPP0: sprintf(cmd, "ifconfig %s netmask %s", "usb0",p_subnet ); break; default: printf("SDK input error\n"); return -2; break; } fp=popen(cmd, "r"); pclose(fp); sprintf(cmd2, "echo %s> /etc/init.d/Net_sdk_set/sdk_net_subnetmask_set.sh", cmd ); fp=popen(cmd2, "r"); pclose(fp); return 0; } //------------------------------ok //get 指定网卡的网关地址 int32_t sdk_net_gateway_get ( net_device_type_e nic, uint8_t *p_gateway) { FILE *fp = NULL; char buffer[32]={0}; char buffer2[32]={0}; int8_t cmd[64]={0}; switch(nic) { case WLAN0: sprintf(cmd, "ip route show|grep %s|grep \"default via\" | awk '{print $3}'", "wlan0"); break; case WLAN1: sprintf(cmd, "ip route show|grep %s|grep \"default via\" | awk '{print $3}'", "wlan1"); break; case ETH0: sprintf(cmd, "ip route show|grep %s|grep \"default via\" | awk '{print $3}'", "eth0"); break; case ETH1: sprintf(cmd, "ip route show|grep %s|grep \"default via\" | awk '{print $3}'", "eth1"); break; case PPP0: sprintf(cmd, "ip route show|grep %s|grep \"default via\" | awk '{print $3}'", "usb0"); break; default: printf("SDK input error\n"); return -2; break; } fp=popen(cmd, "r"); fgets(buffer, sizeof(buffer), fp); if(memcmp(buffer, buffer2, sizeof(buffer))==0) { printf("SDK erro: this net device is no exit !!!\n"); return -1; } memcpy(p_gateway,buffer,sizeof(buffer)); pclose(fp); return 0; } //--------------------------------ok //set 指定网卡的网关地址 int32_t sdk_net_gateway_set ( net_device_type_e nic, uint8_t *p_gateway) { FILE *fp = NULL; char buffer[32]={0}; int8_t cmd[64]={0}; int8_t cmd2[64]={0}; switch(nic) { case WLAN0: sprintf(cmd, "route add default gw %s dev %s",p_gateway,"wlan0"); break; case WLAN1: sprintf(cmd, "route add default gw %s dev %s",p_gateway,"wlan1"); break; case ETH0: sprintf(cmd, "route add default gw %s dev %s",p_gateway,"eth0"); break; case ETH1: sprintf(cmd, "route add default gw %s dev %s",p_gateway,"eth1"); break; case PPP0: sprintf(cmd, "route add default gw %s dev %s",p_gateway,"usb0"); break; default: printf("SDK input error\n"); return -2; break; } fp=popen(cmd, "r"); pclose(fp); sprintf(cmd2, "echo %s> /etc/init.d/Net_sdk_set/sdk_net_gateway_set.sh", cmd ); fp=popen(cmd2, "r"); pclose(fp); return 0; } //---------------------------------ok //set dns int32_t sdk_net_dns_set ( net_device_type_e nic, uint8_t *p_dns) { FILE *fp = NULL; char buffer[32]={0}; int8_t cmd[64]={0}; int8_t cmd2[64]={0}; switch(nic) { case WLAN0: sprintf(cmd, "echo nameserver %s > /etc/resolv.conf",p_dns); break; case WLAN1: sprintf(cmd, "echo nameserver %s > /etc/resolv.conf",p_dns); break; case ETH0: sprintf(cmd, "echo nameserver %s > /etc/resolv.conf",p_dns); break; case ETH1: sprintf(cmd, "echo nameserver %s > /etc/resolv.conf",p_dns); break; case PPP0: sprintf(cmd, "echo nameserver %s > /etc/resolv.conf",p_dns); break; default: printf("SDK input error\n"); return -2; break; } fp=popen(cmd, "r"); pclose(fp); sprintf(cmd2, "echo \"%s\"> /etc/init.d/Net_sdk_set/sdk_net_dns_set.sh", cmd ); fp=popen(cmd2, "r"); pclose(fp); return 0; } //----------------------------------------ok //get nic dns int32_t sdk_net_dns_get ( net_device_type_e nic, uint8_t *p_dns) { FILE *fp = NULL; char buffer[32]={0}; char buffer2[32]={0}; int8_t cmd[64]={0}; switch(nic) { case WLAN0: sprintf(cmd, "cat /etc/resolv.conf |grep nameserver|awk '{print $2}'"); break; c