[Common] Add Date Time Class

Source/Common/Common.vcxproj

@@ -46,6 +46,7 @@
     </ClCompile>
     <ClCompile Include="StdString.cpp" />
     <ClCompile Include="SyncEvent.cpp" />
+    <ClCompile Include="DateTimeClass.cpp" />
     <ClCompile Include="Trace.cpp" />
     <ClCompile Include="Util.cpp" />
   </ItemGroup>
@@ -64,6 +65,7 @@
     <ClInclude Include="StdString.h" />
     <ClInclude Include="stdtypes.h" />
     <ClInclude Include="SyncEvent.h" />
+    <ClInclude Include="DateTimeClass.h" />
     <ClInclude Include="Trace.h" />
     <ClInclude Include="TraceModulesCommon.h" />
     <ClInclude Include="Util.h" />

Source/Common/Common.vcxproj.filters

@@ -53,6 +53,9 @@
     <ClCompile Include="MemoryManagement.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="DateTimeClass.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="stdafx.h">
@@ -106,5 +109,8 @@
     <ClInclude Include="MemoryManagement.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="DateTimeClass.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

Source/Common/DateTimeClass.cpp

@@ -0,0 +1,36 @@
+#include "stdafx.h"
+#include "DateTimeClass.h"
+#include <sys/timeb.h>
+#include <time.h>
+
+CDateTime::CDateTime()
+{
+    m_time = 0;
+}
+
+CDateTime & CDateTime::SetToNow(void)
+{
+    struct timeb now;
+    (void)::ftime(&now);
+    m_time = (now.time * 1000l) + now.millitm;
+    return *this;
+}
+
+std::string CDateTime::Format (const char * format)
+{
+    char buffer[100];
+    time_t TimeValue = m_time / 1000l;
+    strftime(buffer, sizeof(buffer), format, localtime(&TimeValue));
+    return std::string(buffer);
+}
+
+double CDateTime::DiffernceMilliseconds (const CDateTime & compare)
+{
+    double diff = (double)(m_time - compare.m_time);
+    return diff / 1000.0;
+}
+
+uint64_t CDateTime::Value ( void )
+{
+    return m_time;
+}

Source/Common/DateTimeClass.h

@@ -0,0 +1,15 @@
+#pragma once
+#include "stdtypes.h"
+
+class CDateTime
+{
+public:
+    CDateTime();
+    CDateTime & SetToNow (void);
+    std::string Format (const char * format);
+    double DiffernceMilliseconds (const CDateTime & compare);
+    uint64_t Value ( void );
+
+private:
+    uint64_t m_time;
+};