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Common: Use C++ random generator for generating MAC addresses

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This commit is contained in:
Stenzek 2016-01-31 23:03:55 +10:00
parent 98e5270b3c
commit a870253cd6
1 changed files with 8 additions and 11 deletions
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19
Source/Core/Common/Network.cpp
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@ -3,12 +3,13 @@
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <cctype> #include <cctype>
#include <cstdlib>
#include <cstring> #include <cstring>
#include <ctime> #include <ctime>
#include <random>
#include "Common/Network.h" #include "Common/Network.h"
#include "Common/StringUtil.h" #include "Common/StringUtil.h"
#include "Common/Timer.h"
void GenerateMacAddress(const MACConsumer type, u8* mac) void GenerateMacAddress(const MACConsumer type, u8* mac)
{ {
@ -27,16 +28,12 @@ void GenerateMacAddress(const MACConsumer type, u8* mac)
break; break;
} }
srand((unsigned int)time(nullptr)); // Generate the 24-bit NIC-specific portion of the MAC address.
std::default_random_engine generator(Common::Timer::GetTimeMs());
u8 id[3] = std::uniform_int_distribution<int> distribution(0x00, 0xFF);
{ mac[3] = static_cast<u8>(distribution(generator));
(u8)rand(), mac[4] = static_cast<u8>(distribution(generator));
(u8)rand(), mac[5] = static_cast<u8>(distribution(generator));
(u8)rand()
};
memcpy(&mac[3], id, 3);
} }
std::string MacAddressToString(const u8* mac) std::string MacAddressToString(const u8* mac)