Method randomUuid

app/src/main/cpp/utils/Uuid.cpp:10–39

#include "Uuid.h"

std::string Uuid::randomUuid() {
    std::random_device rd;
    std::mt19937 gen(rd());
    std::uniform_int_distribution dis(0, 15);
    std::uniform_int_distribution dis2(8, 11);
    std::stringstream ss;
    int i;
    ss << std::hex;
    for (i = 0; i < 8; i++) {
        ss << dis(gen);
    }
    ss << "-";
    for (i = 0; i < 4; i++) {
        ss << dis(gen);
    }
    ss << "-4";
    for (i = 0; i < 3; i++) {
        ss << dis(gen);
    }
    ss << "-";
    ss << dis2(gen);
    for (i = 0; i < 3; i++) {
        ss << dis(gen);
    }
    ss << "-";
    for (i = 0; i < 12; i++) {
        ss << dis(gen);
    }
    return ss.str();
}