Show cache creation time (as UTC) in about and regsysinfo.

indra/llvfs/llvfs.cpp

@@ -267,6 +267,22 @@ LLVFS::LLVFS(const std::string& index_filename, const std::string& data_filename
 			// Since we're creating this data file, assume any index file is bogus
 			// remove the index, since this vfs is now blank
 			LLFile::remove(mIndexFilename);
+
+			// <FS:ND> When recreating the cache, also add a marker when we did this (for about/sysinfo)
+			LLFile::remove(mIndexFilename + ".date" );
+			LLFILE *fp = LLFile::fopen( mIndexFilename + ".date", "w" );
+			if( fp )
+			{
+				std::stringstream strm;
+				time_t tmin;
+				time( &tmin );
+				tm *pTm = gmtime( &tmin );
+				strm << std::asctime( pTm ) << " " << std::endl;
+
+				fwrite( strm.str().c_str(), strm.str().size(), 1, fp );
+				LLFile::close( fp );
+			}
+			// </FS:ND>
 		}
 		else
 		{
@@ -2203,3 +2219,22 @@ void LLVFS::unlockAndClose(LLFILE *fp)
 		fclose(fp);
 	}
 }
+
+
+// <FS:ND> Query when this cache was created, Returns the time and date in UTC, or unknown,
+std::string LLVFS::getCreationDataUTC() const
+{
+	llifstream date_file;
+	date_file.open(mIndexFilename + ".date");
+	if (date_file.is_open())
+	{
+		std::string date;
+		std::getline(date_file, date); 
+		date_file.close();
+
+		if( date.size() )
+			return date;
+	}
+	return "unknown";
+}
+// </FS:ND>

indra/llvfs/llvfs.h

@@ -175,6 +175,11 @@ protected:
 
 	S32 mLockCounts[VFSLOCK_COUNT];
 	BOOL mRemoveAfterCrash;
+
+	// <FS:ND> Query when this cache was created, Returns the time and date in UTC, or unknown,
+public:
+	std::string getCreationDataUTC() const;
+	// </FS:ND>
 };
 
 extern LLVFS *gVFS;

indra/newview/fsdata.cpp

@@ -53,6 +53,7 @@
 #include "llviewermedia.h"
 #include "llviewernetwork.h"
 #include "llxorcipher.h"
+#include "llvfs.h"
 
 const std::string LEGACY_CLIENT_LIST_URL = "http://phoenixviewer.com/app/client_tags/client_list_v2.xml";
 const LLUUID MAGIC_ID("3c115e51-04f4-523c-9fa6-98aff1034730");
@@ -979,7 +980,8 @@ LLSD FSData::getSystemInfo()
 	sysinfo2 += llformat("Bandwidth: %d kbit/s\n", info["BANDWIDTH"].asInteger());
 	sysinfo2 += llformat("LOD Factor: %.3f\n", info["LOD"].asReal());
 	sysinfo2 += llformat("Render quality: %s\n", info["RENDERQUALITY_FSDATA_ENGLISH"].asString().c_str()); // <FS:PP> FIRE-4785: Current render quality setting in sysinfo / about floater
-	sysinfo2 += llformat("Texture memory: %d MB (%.2f)", info["TEXTUREMEMORY"].asInteger(), info["TEXTUREMEMORYMULTIPLIER"].asReal());
+	sysinfo2 += llformat("Texture memory: %d MB (%.2f)\n", info["TEXTUREMEMORY"].asInteger(), info["TEXTUREMEMORYMULTIPLIER"].asReal());
+	sysinfo2 += "VFS (cache) creation time (UTC) " + info["VFS_DATE"].asString();
 
 	LLSD sysinfos;
 	sysinfos["Part1"] = sysinfo1;

indra/newview/llappviewer.cpp

@@ -3986,6 +3986,13 @@ LLSD LLAppViewer::getViewerInfo() const
 	info["TEXTUREMEMORYMULTIPLIER"] = gSavedSettings.getF32("RenderTextureMemoryMultiple");
 	// </FS:Ansariel>
 
+	// <FS:ND> Add creation time of VFS (cache)
+	if( gVFS )
+		info["VFS_DATE"] = gVFS->getCreationDataUTC();
+	else
+		info["VFS_DATE"] = "unknown";
+	// </FS:ND>
+
 	return info;
 }
 
@@ -4059,6 +4066,12 @@ std::string LLAppViewer::getViewerInfoString() const
 	{
 		support << '\n' << LLTrans::getString("AboutTraffic", args);
 	}
+
+	// <FS:ND> Add when the cache was created,
+	if( info.has("VFS_DATE") )
+		support << "\nVFS (cache) creation time (UTC) " << info["VFS_DATE"];
+	// </FS:ND>
+
 	return support.str();
 }