修改ping命令-02

CameraHandle.cpp

@@ -425,6 +425,7 @@ void CameraHandle::sdkDevSnapSyn(XSDK_HANDLE hDevice, int nChannel){
     ScopeSemaphoreExit guard([this]() {
         semaphore.release();  // 释放信号量
     });
+    Common & instace= Common::getInstance();
     cv::Mat image;
     MediaFaceImage* mediaFaceImage= MediaFaceImage::getInstance();
     qint64 currentTime= QDateTime::currentSecsSinceEpoch();
@@ -434,7 +435,7 @@ void CameraHandle::sdkDevSnapSyn(XSDK_HANDLE hDevice, int nChannel){
         if (offlineCount >= 3) { // 判断是否连续3次返回0
             qInfo() <<QString("SN(%1): 设备离线").arg(sSn);
             QString ip=QString::fromUtf8(loginParam->sDevId);
-            bool is_ping=vides_data::pingAddress(ip);
+            bool is_ping=instace.pingAddress(ip);
             qDebug() << sSn<<":ping 的结果"<<is_ping;
             
             if(is_ping){

Common.cpp

 #include "Common.h"
+#include "ScopeSemaphoreExit.h"
 
 Common::Common(){}
 
@@ -173,5 +174,31 @@ bool Common::receivePingReply(int sockfd, int sequence) {
 
     return false;
 }
+bool Common::pingAddress(const QString &address) {
+
+    QByteArray && byJsonIp =address.toUtf8();
+    const char * ipAddress= byJsonIp.data();
+
+    int sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
+    ScopeSemaphoreExit guard([sockfd]() {
+        close(sockfd);
+    });
+    if (sockfd < 0) {
+        perror("socket");
+        return 1;
+    }
+
+    int sequence = 1;
+    if (sendPingRequest(sockfd, ipAddress, sequence)) {
+        if (receivePingReply(sockfd, sequence)) {
+            qInfo()<<"Ping to " << ipAddress << " successful!";
+            return true;
+        } else {
+            qInfo()<<"Ping to " << ipAddress << " failed!";
+            return false;
+        }
+    }
+    return false;
+}
 
 Common::~Common(){}

Common.h

@@ -11,7 +11,21 @@
 #include <QMessageAuthenticationCode>
 #include <QNetworkInterface>
 #include <map>
-#include <QDebug>
+#include <iostream>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <netinet/ip_icmp.h>
+#include <sys/socket.h>
+#include <unistd.h>
+// ICMP 头部结构体
+struct ICMPHeader {
+    uint8_t type;        // 类型
+    uint8_t code;        // 代码
+    uint16_t checksum;   // 校验和
+    uint16_t id;         // 标识符
+    uint16_t sequence;   // 序列号
+};
+
 class Common
 {
 public:
@@ -39,6 +53,14 @@ public:
     QString getVideoDownload();
     void setVideoDownload(QString videoDownload);
 
+    uint16_t calculateChecksum(uint16_t *buffer, int size);
+
+    bool sendPingRequest(int sockfd, const char *ipAddress, int sequence);
+
+    bool receivePingReply(int sockfd, int sequence);
+
+   
+    bool pingAddress(const QString &address) ;
 
     QString getImages();
     void setImages(QString images);

NonConnectedCameraHandle.cpp

@@ -241,7 +241,9 @@ int NonConnectedCameraHandle::sdkDevLoginSyn(QString sDevId, int nDevPort,
     return loginResult;
 }
 bool NonConnectedCameraHandle::distributionNetwork(QString &ip,QString &sSn,int hDevice ){
-    if(ip.length()>0  && vides_data::pingAddress(ip)){
+    Common & instace= Common::getInstance();
+
+    if(ip.length()>0  && instace.pingAddress(ip)){
         qInfo()<<QString("SN(%1): 当前ip已被使用%2").arg(sSn).arg(ip);
         return false;
     }

VidesData.h

@@ -535,6 +535,8 @@ inline bool pingAddress(const QString &address) {
 }
 
 inline QString findReachableIp() {
+    Common & instace= Common::getInstance();
+
     QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
     for (const QHostAddress &address : ipAddressesList) {
         if (address.protocol() == QAbstractSocket::IPv4Protocol && !address.isLoopback()) {
@@ -544,7 +546,7 @@ inline QString findReachableIp() {
             for (int i = 254; i >= 1; --i) { // 从 254 开始递减
                 QString ip = currentSubnet + QString::number(i);
                 qInfo() << "Found findReachableIp IP:" << ip;
-                if (!pingAddress(ip)) {
+                if (!instace.pingAddress(ip)) {
                     qInfo() << "ping 不通的ip:" << ip;
                     return ip;
                 }