static void LRUCacheTest()
{
try
{
bool runForever = true;
int capacity = 2048;
int evictCount = 512;
int loadCount = 256;
bool cacheDebug = true;
int dataLen = 4096;
byte[] data = InitByteArray(dataLen, 0x00);
byte[] keyData;
LRUCache <string, byte[]> cache = new LRUCache <string, byte[]>(capacity, evictCount, cacheDebug);
Thread.Sleep(250);
while (runForever)
{
Console.WriteLine("-------------------------------------------------------------------------------");
Console.WriteLine("Available commands (LRU Cache Test):");
Console.WriteLine(" get Get entry by key");
Console.WriteLine(" load Load " + loadCount + " new records");
Console.WriteLine(" last_used Get the last used entry");
Console.WriteLine(" first_used Get the first used entry");
Console.WriteLine(" oldest Get the oldest entry");
Console.WriteLine(" newest Get the newest entry");
Console.WriteLine(" count Get the count of cached entries");
Console.WriteLine(" clear Clear the cache");
Console.WriteLine(" quit Exit the application");
Console.WriteLine(" debug Flip the cache debug flag (currently " + cache.Debug + ")");
Console.WriteLine("");
Console.Write("Command > ");
string userInput = Console.ReadLine();
if (String.IsNullOrEmpty(userInput))
{
continue;
}
switch (userInput.ToLower())
{
case "get":
Console.Write("Key > ");
string getKey = Console.ReadLine();
if (String.IsNullOrEmpty(getKey))
{
break;
}
if (cache.TryGet(getKey, out keyData))
{
Console.WriteLine("Cache hit");
}
else
{
Console.WriteLine("Cache miss");
}
break;
case "load":
DateTime startTime = DateTime.Now;
for (int i = 0; i < loadCount; i++)
{
string loadKey = Guid.NewGuid().ToString();
Console.Write("Adding entry " + i + " of " + loadCount + " \r");
cache.AddReplace(loadKey, data);
}
Console.WriteLine(
"Loaded " + loadCount +
" records in " + TotalTimeFrom(startTime) + ": " +
DecimalToString(TotalMsFrom(startTime) / loadCount) + "ms per entry");
break;
case "last_used":
Console.WriteLine("Last used key: " + cache.LastUsed());
break;
case "first_used":
Console.WriteLine("First used key: " + cache.FirstUsed());
break;
case "oldest":
Console.WriteLine("Oldest key: " + cache.Oldest());
break;
case "newest":
Console.WriteLine("Newest key: " + cache.Newest());
break;
case "count":
Console.WriteLine("Cache count: " + cache.Count());
break;
case "clear":
cache.Clear();
Console.WriteLine("Cache cleared");
break;
case "q":
case "quit":
runForever = false;
break;
case "debug":
cache.Debug = !cache.Debug;
break;
default:
continue;
}
}
Console.WriteLine("Goodbye!");
return;
}
catch (Exception e)
{
PrintException(e);
}
finally
{
Console.WriteLine("");
Console.Write("Press ENTER to exit.");
Console.ReadLine();
}
}
static void LRUCacheTest()
{
try
{
bool runForever = true;
byte[] data = InitByteArray(_DataLength, 0x00);
byte[] keyData;
LRUCache <string, byte[]> cache = new LRUCache <string, byte[]>(_Capacity, _EvictCount);
Thread.Sleep(250);
while (runForever)
{
Console.Write("Command [LRU] > ");
string userInput = Console.ReadLine();
if (String.IsNullOrEmpty(userInput))
{
continue;
}
switch (userInput.ToLower())
{
case "?":
MenuLRU();
break;
case "get":
Console.Write("Key > ");
string getKey = Console.ReadLine();
if (String.IsNullOrEmpty(getKey))
{
break;
}
if (cache.TryGet(getKey, out keyData))
{
Console.WriteLine("Cache hit");
}
else
{
Console.WriteLine("Cache miss");
}
break;
case "all":
Dictionary <string, byte[]> dump = cache.All();
if (dump != null && dump.Count > 0)
{
foreach (KeyValuePair <string, byte[]> entry in dump)
{
Console.WriteLine(entry.Key);
}
Console.WriteLine("Count: " + dump.Count + " entries");
}
else
{
Console.WriteLine("Empty");
}
break;
case "load":
DateTime startTime = DateTime.Now;
for (int i = 0; i < _LoadCount; i++)
{
string loadKey = Guid.NewGuid().ToString();
Console.Write("Adding entry " + i + " of " + _LoadCount + " \r");
cache.AddReplace(loadKey, data);
}
Console.WriteLine(
"Loaded " + _LoadCount +
" records in " + TotalTimeFrom(startTime) + ": " +
DecimalToString(TotalMsFrom(startTime) / _LoadCount) + "ms per entry");
break;
case "last_used":
Console.WriteLine("Last used key: " + cache.LastUsed());
break;
case "first_used":
Console.WriteLine("First used key: " + cache.FirstUsed());
break;
case "oldest":
Console.WriteLine("Oldest key: " + cache.Oldest());
break;
case "newest":
Console.WriteLine("Newest key: " + cache.Newest());
break;
case "count":
Console.WriteLine("Cache count: " + cache.Count());
break;
case "clear":
cache.Clear();
Console.WriteLine("Cache cleared");
break;
case "q":
case "quit":
runForever = false;
break;
default:
continue;
}
}
Console.WriteLine("Goodbye!");
return;
}
catch (Exception e)
{
PrintException(e);
}
finally
{
Console.WriteLine("");
Console.Write("Press ENTER to exit.");
Console.ReadLine();
}
}
