From db2b5e06a36da5048ef07376ff7181dbc3c1c93b Mon Sep 17 00:00:00 2001
From: badaix <johannes.pohl@badaix.de>
Date: Wed, 30 Nov 2016 16:35:56 +0100
Subject: [PATCH] generateUUID

---
 common/utils.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/common/utils.h b/common/utils.h
index 675ce303..955dff42 100644
--- a/common/utils.h
+++ b/common/utils.h
@@ -30,6 +30,7 @@
 #include <vector>
 #include <fstream>
 #include <sstream>
+#include <iomanip>
 #include <memory>
 #include <cerrno>
 #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
 static std::string getMacAddress(int sock)
 {