From 4206ccb3c3e99125e2b95a32a66053e2899bbf4c Mon Sep 17 00:00:00 2001
From: badaix <johannes.pohl@badaix.de>
Date: Sun, 11 Dec 2016 13:30:13 +0100
Subject: [PATCH] fix generateUUID

---
 common/utils.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/common/utils.h b/common/utils.h
index 955dff42..97ef31c0 100644
--- a/common/utils.h
+++ b/common/utils.h
@@ -269,7 +269,12 @@ static long uptime()
 /// http://stackoverflow.com/questions/2174768/generating-random-uuids-in-linux
 static std::string generateUUID()
 {
-	std::srand(std::time(0));
+	static bool initialized(false);
+	if (!initialized)
+	{
+		std::srand(std::time(0));
+		initialized = true;
+	}
 	std::stringstream ss;
 	ss << std::setfill('0') << std::hex  
 		<< std::setw(4) << (std::rand() % 0xffff) << std::setw(4) << (std::rand() % 0xffff)