mirror of
https://github.com/badaix/snapcast.git
synced 2025-05-02 03:37:00 +02:00
90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
#ifndef UTILS_H
|
|
#define UTILS_H
|
|
|
|
#include <algorithm>
|
|
#include <functional>
|
|
#include <cctype>
|
|
#include <locale>
|
|
#include <string>
|
|
#include <vector>
|
|
#include <fstream>
|
|
#include <iterator>
|
|
#include <sys/ioctl.h>
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <iomanip>
|
|
|
|
// trim from start
|
|
static inline std::string <rim(std::string &s)
|
|
{
|
|
s.erase(s.begin(), std::find_if(s.begin(), s.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
|
|
return s;
|
|
}
|
|
|
|
// trim from end
|
|
static inline std::string &rtrim(std::string &s)
|
|
{
|
|
s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
|
|
return s;
|
|
}
|
|
|
|
// trim from both ends
|
|
static inline std::string &trim(std::string &s)
|
|
{
|
|
return ltrim(rtrim(s));
|
|
}
|
|
|
|
|
|
static std::string getMacAddress(int sock)
|
|
{
|
|
struct ifreq ifr;
|
|
struct ifconf ifc;
|
|
char buf[1024];
|
|
int success = 0;
|
|
|
|
if (sock < 0)
|
|
return "";
|
|
|
|
ifc.ifc_len = sizeof(buf);
|
|
ifc.ifc_buf = buf;
|
|
if (ioctl(sock, SIOCGIFCONF, &ifc) == -1)
|
|
return "";
|
|
|
|
struct ifreq* it = ifc.ifc_req;
|
|
const struct ifreq* const end = it + (ifc.ifc_len / sizeof(struct ifreq));
|
|
|
|
for (; it != end; ++it) {
|
|
strcpy(ifr.ifr_name, it->ifr_name);
|
|
if (ioctl(sock, SIOCGIFFLAGS, &ifr) == 0) {
|
|
if (! (ifr.ifr_flags & IFF_LOOPBACK)) { // don't count loopback
|
|
if (ioctl(sock, SIOCGIFHWADDR, &ifr) == 0) {
|
|
success = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else { /* handle error */ }
|
|
}
|
|
|
|
if (!success)
|
|
return "";
|
|
|
|
char mac[19];
|
|
sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x",
|
|
(unsigned char)ifr.ifr_hwaddr.sa_data[0], (unsigned char)ifr.ifr_hwaddr.sa_data[1], (unsigned char)ifr.ifr_hwaddr.sa_data[2],
|
|
(unsigned char)ifr.ifr_hwaddr.sa_data[3], (unsigned char)ifr.ifr_hwaddr.sa_data[4], (unsigned char)ifr.ifr_hwaddr.sa_data[5]);
|
|
return mac;
|
|
}
|
|
/* std::ifstream t("/sys/class/net/eth0/address");
|
|
std::string str((std::istreambuf_iterator<char>(t)),
|
|
std::istreambuf_iterator<char>());
|
|
return trim(str);
|
|
}
|
|
*/
|
|
|
|
|
|
#endif
|
|
|
|
|