修改ping命令-05

Common.cpp

@@ -200,5 +200,105 @@ bool Common::pingAddress(const QString &address) {
     }
     return false;
 }
+void Common::get_network_info(const char *interface, QString &mac, QString &subnet_mask, QString &gateway) {
+    int fd;
+    struct ifreq ifr;
+    struct rtentry route;
+    unsigned char *mac_addr;
+    struct sockaddr_in *addr;
+    struct ifaddrs *ifaddr, *ifa;
+
+    // Create a socket to perform ioctl requests
+    fd = socket(AF_INET, SOCK_DGRAM, 0);
+    if (fd < 0) {
+        perror("socket");
+        return;
+    }
+
+    // Get the MAC address
+    memset(&ifr, 0, sizeof(ifr));
+    strncpy(ifr.ifr_name, interface, IFNAMSIZ - 1);
+
+    if (ioctl(fd, SIOCGIFHWADDR, &ifr) == 0) {
+        mac_addr = (unsigned char *)ifr.ifr_hwaddr.sa_data;
+        mac = QString::asprintf("%02x:%02x:%02x:%02x:%02x:%02x",
+            mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
+    } else {
+        perror("SIOCGIFHWADDR");
+        mac = "Unknown";
+    }
 
+    // Get the subnet mask
+    if (ioctl(fd, SIOCGIFNETMASK, &ifr) == 0) {
+        addr = (struct sockaddr_in *)&ifr.ifr_netmask;
+        subnet_mask = QString::fromUtf8(inet_ntoa(addr->sin_addr));
+    } else {
+        perror("SIOCGIFNETMASK");
+        subnet_mask = "Unknown";
+    }
+
+    // Get the default gateway
+    FILE *fp = fopen("/proc/net/route", "r");
+    if (fp != NULL) {
+        char buffer[256];
+        while (fgets(buffer, sizeof(buffer), fp)) {
+            char iface[IFNAMSIZ];
+            unsigned long dest, gateway_addr;
+            if (sscanf(buffer, "%s %lx %lx", iface, &dest, &gateway_addr) == 3) {
+                if (dest == 0) { // Default route
+                    struct in_addr gwaddr;
+                    gwaddr.s_addr = gateway_addr;
+                    gateway = QString::fromUtf8(inet_ntoa(gwaddr));
+                    break;
+                }
+            }
+        }
+        fclose(fp);
+    } else {
+        perror("fopen");
+        gateway = "Unknown";
+    }
+
+    // Clean up
+    close(fd);
+}
+
+// 确定当前网络接口
+void Common::determine_interface(char *interface) {
+    struct ifaddrs *ifaddr, *ifa;
+    int family, s;
+    char host[NI_MAXHOST];
+
+    if (getifaddrs(&ifaddr) == -1) {
+        perror("getifaddrs");
+        exit(EXIT_FAILURE);
+    }
+
+    // Walk through linked list, maintaining head pointer so we can free list later
+    for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+        if (ifa->ifa_addr == NULL)
+            continue;
+
+        family = ifa->ifa_addr->sa_family;
+
+        // Check for IPv4 or IPv6
+        if (family == AF_INET || family == AF_INET6) {
+            s = getnameinfo(ifa->ifa_addr,
+                            (family == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6),
+                            host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
+            if (s != 0) {
+                printf("getnameinfo() failed: %s\n", gai_strerror(s));
+                exit(EXIT_FAILURE);
+            }
+
+            // Check if the interface is up and running
+            if (ifa->ifa_flags & IFF_UP && ifa->ifa_flags & IFF_RUNNING) {
+                strncpy(interface, ifa->ifa_name, IFNAMSIZ - 1);
+                break;
+            }
+        }
+    }
+
+    freeifaddrs(ifaddr);
+}
 Common::~Common(){}

Common.h

 #ifndef COMMON_H
 #define COMMON_H
+
+
 #include <ctime>
 #include <chrono>
 #include <thread>
@@ -17,6 +19,17 @@
 #include <netinet/ip_icmp.h>
 #include <sys/socket.h>
 #include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <arpa/inet.h>
+#include <net/if_arp.h>
+#include <linux/route.h>
+#include <ifaddrs.h>
+#include <netdb.h>
 // ICMP 头部结构体
 struct ICMPHeader {
     uint8_t type;        // 类型
@@ -59,6 +72,11 @@ public:
 
     bool receivePingReply(int sockfd, int sequence);
 
+    //确定当前网络接口
+    void determine_interface(char *interface);
+    void get_network_info(const char *interface, QString &mac, QString &subnet_mask, QString &gateway) ;
+
+
    
     bool pingAddress(const QString &address) ;
 

NonConnectedCameraHandle.cpp

@@ -23,9 +23,19 @@ NonConnectedCameraHandle* NonConnectedCameraHandle::getInstance()
 
 bool NonConnectedCameraHandle::changeCameraIp(vides_data::localDevice &device){
     
+    Common & instace= Common::getInstance();
+
+    char interface[IFNAMSIZ];
+
+    // 确定当前网络接口
+    instace.determine_interface(interface);
     QString localMac, subnetMask, gateway;
-    bool success =vides_data::GetNetworkInfoByQNetworkInterface(localMac, subnetMask, gateway);
-    if (!success) {
+    // 获取网络信息
+    instace.get_network_info(interface, localMac, subnetMask, gateway);
+    qInfo() <<QString("SN(%1): 获取本地MAC:%2,%3,%4").arg(device.sSn).arg(localMac)
+              .arg(subnetMask).arg(gateway);
+
+    if ( localMac=="Unknown" && subnetMask=="Unknown" && gateway=="Unknown" ) {
         qInfo() <<QString("SN(%1): 获取本地MAC失败").arg(device.sSn);
         return false ;
     }

VidesData.h

@@ -440,48 +440,6 @@ inline bool isInSameSubnet(const QString &ip1, const QString &ip2, const QString
     // 比较结果
     return result1 == result2;
 }
-inline bool GetNetworkInfoByQNetworkInterface(QString &mac, QString &subnetMask, QString &gateway) {
-    QList<QNetworkInterface> interfaces = QNetworkInterface::allInterfaces();
-    foreach (QNetworkInterface interface, interfaces) {
-        if (interface.flags().testFlag(QNetworkInterface::IsUp) &&
-                interface.flags().testFlag(QNetworkInterface::IsRunning) &&
-                !interface.flags().testFlag(QNetworkInterface::IsLoopBack)) {
-            mac = interface.hardwareAddress();
-            qInfo() << "mac===>."<<mac;
-
-            QList<QNetworkAddressEntry> addressEntries = interface.addressEntries();
-            foreach (QNetworkAddressEntry entry, addressEntries) {
-                if (entry.ip().protocol() == QAbstractSocket::IPv4Protocol) {
-                    subnetMask = entry.netmask().toString();
-                    qInfo() << "subnetMask===>."<<subnetMask;
-
-                    // 获取网关地址
-                    QFile file("/proc/net/route");
-                    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
-                        qInfo() << "Failed to open /proc/net/route file.";
-                        continue;
-                    }
-
-                    QTextStream in(&file);
-                    while (!in.atEnd()) {
-                        QString line = in.readLine();
-                        QStringList parts = line.split(QRegExp("\\s+"));
-                        if (parts.size() >= 3 && parts[1] == "00000000") {
-                            gateway = parts[2];
-                            gateway = gateway.mid(6, 2) + ":" + gateway.mid(4, 2) + ":" + gateway.mid(2, 2) + ":" + gateway.mid(0, 2);
-                            gateway = gateway.replace(":", ".");
-                            gateway = QHostAddress(gateway).toString();
-                            qInfo() << "gateway===>."<<gateway;
-                            return true;
-                        }
-                    }
-                }
-            }
-        }
-    }
-    return false; // Return false if no suitable interface is found or gateway not found
-}
-
 inline bool pingAddress(const QString &address) {
     QProcess cmd;