linux 查看u盘挂载目录,Linux C++ 获取U盘挂载路径
#include #endifbool isFolderExists(const string& strFolder){#ifndef _WIN32DIR *pDir = opendir(strFolder.c_str());if(pDir){closedir(pDir);return true;}#endifreturn false;}bool isParentNode(const st
#include #endif
bool isFolderExists(const string& strFolder)
{
#ifndef _WIN32
DIR *pDir = opendir(strFolder.c_str());
if(pDir){
closedir(pDir);
return true;
}
#endif
return false;
}
bool isParentNode(const string& strNode)
{
#ifndef _WIN32
long nTotal = 0;
char cData[2048] = {0};
char cStram[2048] = {0};
sprintf(cStram, "lsblk -m /dev/%s", strNode.c_str());
FILE *fstream = popen(cStram, "r");
if(fstream){
while(fgets(cData, sizeof(cData), fstream)){
nTotal++;
}
pclose(fstream);
}
if(nTotal > 2){
return true;
}
#endif
return false;
}
void EnumDevicePath(const string& strDeviceName, string& strDiskMountPoint)
{
#ifndef _WIN32
char cData[4096] = {0};
char cStram[2048] = {0};
sprintf(cStram, "lsblk | grep %s | awk '{print $7}'", strDeviceName.c_str());
FILE *fstream = popen(cStram, "r");
if(fstream){
while(fgets(cData, sizeof(cData), fstream)){
long nLen = strlen(cData);
if(nLen > 0){
cData[nLen - 1] = 0;
strDiskMountPoint = cData;
}
}
pclose(fstream);
}
#endif
}
void MountDiskU(const string& strType)
{
#ifndef _WIN32
char cData[4096] = {0};
char cStram[2048] = {0};
sprintf(cStram, "lsblk | grep %s", strType.c_str());
FILE *fstream = popen(cStram, "r");
if(fstream){
while(fgets(cData, sizeof(cData), fstream)){
long nLen = strlen(cData);
if(nLen > 0){
cData[nLen - 1] = 0x00;
string strDiskID = "";
string strDiskMountPoint= "";
string strData = cData;
long nPos1 = strData.find(" ");
if(nPos1 != string::npos){
strDiskID = strData.substr(0, nPos1);
if(strDiskID.find("└─") != string::npos){
strDiskID = strDiskID.substr(strlen("└─"), strDiskID.size());
}
}
if(strDiskID.empty()){
continue;
}
if(strDiskID.find("sda") != string::npos){
continue;
}
if(isParentNode(strDiskID)){
continue;
}
EnumDevicePath(strDiskID, strDiskMountPoint);
if(strDiskMountPoint.size() > 0){}
else{
time_t tmNow = time(NULL);
struct tm *timeCurrent = localtime(&tmNow);
DIR *pDir = opendir("/opt/DiskU/");
if(pDir){
closedir(pDir);
}
else{
system("mkdir -p /opt/DiskU");
}
char cPath[2048] = {0};
sprintf(cPath, "/opt/DiskU/%s_%04d_%02d_%02d_%02d_%02d_%02d", strDiskID.c_str(), 1900 + timeCurrent->tm_year, timeCurrent->tm_mon + 1, timeCurrent->tm_mday, timeCurrent->tm_hour, timeCurrent->tm_min, timeCurrent->tm_sec);
if(!isFolderExists(cPath)){
mkdir(cPath, S_IRWXU | S_IRWXG | S_IRWXO);
}
char cCommand[2048] = {0};
sprintf(cCommand, "mount -o iocharset=utf8 /dev/%s %s", strDiskID.c_str(), cPath);
system(cCommand);
}
}
}
pclose(fstream);
}
#endif
}
bool FindDiskU(const string& strType, string& strPath, string& strID)
{
#ifndef _WIN32
char cData[4096] = {0};
char cStram[2048] = {0};
sprintf(cStram, "lsblk | grep %s", strType.c_str());
FILE *fstream = popen(cStram, "r");
if(fstream){
while(fgets(cData, sizeof(cData), fstream)){
long nLen = strlen(cData);
if(nLen > 0){
cData[nLen - 1] = 0x00;
string strDiskID = "";
string strDiskMountPoint= "";
string strData = cData;
long nPos1 = strData.find(" ");
if(nPos1 != string::npos){
strDiskID = strData.substr(0, nPos1);
if(strDiskID.find("└─") != string::npos){
strDiskID = strDiskID.substr(strlen("└─"), strDiskID.size());
}
}
if(strDiskID.empty()){
continue;
}
if(strDiskID.find("sda") != string::npos){
continue;
}
if(isParentNode(strDiskID)){
continue;
}
EnumDevicePath(strDiskID, strDiskMountPoint);
if(strDiskMountPoint.size() > 0){
strID = strDiskID;
strPath = strDiskMountPoint;
pclose(fstream);
return true;
}
}
}
pclose(fstream);
}
#endif
return false;
}
bool FindDiskU(string& strPath, string& strID)
{
#ifndef _WIN32
MountDiskU("part");
MountDiskU("disk");
if(FindDiskU("part", strPath, strID)){
return true;
}
if(FindDiskU("disk", strPath, strID)){
return true;
}
#endif
return false;
}
void RepairDiskU(const string& strPath, const string& strID)
{
#ifndef _WIN32
char cCommand[2048] = {0};
sprintf(cCommand, "umount %s", strPath.c_str());
system(cCommand);
memset(cCommand, 0, 2048);
sprintf(cCommand, "fsck -y %s", strID.c_str());
system(cCommand);
#endif
}
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