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generateUUID

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badaix 2016-11-30 16:35:56 +01:00
parent ad568f1076
commit db2b5e06a3
1 changed files with 16 additions and 0 deletions
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16
common/utils.h
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@ -30,6 +30,7 @@
#include <vector> #include <vector>
#include <fstream> #include <fstream>
#include <sstream> #include <sstream>
#include <iomanip>
#include <memory> #include <memory>
#include <cerrno> #include <cerrno>
#include <iterator> #include <iterator>
@ -265,6 +266,21 @@ static long uptime()
} }
/// http://stackoverflow.com/questions/2174768/generating-random-uuids-in-linux
static std::string generateUUID()
{
std::srand(std::time(0));
std::stringstream ss;
ss << std::setfill('0') << std::hex
<< std::setw(4) << (std::rand() % 0xffff) << std::setw(4) << (std::rand() % 0xffff)
<< "-" << std::setw(4) << (std::rand() % 0xffff)
<< "-" << std::setw(4) << (std::rand() % 0xffff)
<< "-" << std::setw(4) << (std::rand() % 0xffff)
<< "-" << std::setw(4) << (std::rand() % 0xffff) << std::setw(4) << (std::rand() % 0xffff) << std::setw(4) << (std::rand() % 0xffff);
return ss.str();
}
/// https://gist.github.com/OrangeTide/909204 /// https://gist.github.com/OrangeTide/909204
static std::string getMacAddress(int sock) static std::string getMacAddress(int sock)
{ {