static void SensorList (String filename)
{
// try to open it for reading...
Console.Write("Opening "+filename+" data-store for reading...");
TinyOnDiskStorage data_store = new TinyOnDiskStorage(filename, false,100);
Console.WriteLine("done");
Dictionary<String,XS1_DataObject> Sensors = new Dictionary<string, XS1_DataObject>();
foreach (OnDiscAdress ondisc in data_store.InMemoryIndex)
{
XS1_DataObject dataobject = new XS1_DataObject();
try
{
dataobject.Deserialize(data_store.Read(ondisc));
//Console.WriteLine(dataobject.Timecode.ToLongTimeString() + ";" + dataobject.Timecode.ToShortDateString() + ";" + dataobject.Name + ";" + dataobject.Type + ";" + dataobject.TypeName + ";" + dataobject.Value + ";" + dataobject.OriginalXS1Statement);
if (!Sensors.ContainsKey(dataobject.Name))
Sensors.Add(dataobject.Name, dataobject);
}
catch (Exception e)
{
Console.WriteLine("Error: "+ondisc.CreationTime+" - "+ ondisc.Start +" - " + e.Message);
}
}
foreach(XS1_DataObject dataobject in Sensors.Values)
{
Console.WriteLine(dataobject.Name+";"+dataobject.Type+";"+dataobject.TypeName+";"+dataobject.Value+";"+dataobject.OriginalXS1Statement);
}
}
public void SerializeDeserializeTest()
{
XS1_DataObject start = new XS1_DataObject("server","Keller", ObjectTypes.Sensor, "temperature", new DateTime(2010, 12, 18, 17, 37, 31, 0, System.Globalization.Calendar.CurrentEra), 1, 14.8);
byte[] Serialized;
XS1_DataObject deserialized;
Serialized = start.Serialize();
deserialized = new XS1_DataObject();
deserialized.Deserialize(Serialized);
Assert.AreEqual(start.ServerName, deserialized.ServerName);
Assert.AreEqual(start.Name, deserialized.Name);
Assert.AreEqual(start.Timecode.Ticks, deserialized.Timecode.Ticks);
Assert.AreEqual(start.Type, deserialized.Type);
Assert.AreEqual(start.TypeName, deserialized.TypeName);
Assert.AreEqual(start.Value, deserialized.Value);
Assert.AreEqual(start.XS1ObjectID, deserialized.XS1ObjectID);
start = new XS1_DataObject("server","Keller", ObjectTypes.Actor, "temperature", new DateTime(2010, 12, 18, 17, 37, 31, 0, System.Globalization.Calendar.CurrentEra), 1, 14.8);
Serialized = start.Serialize();
deserialized = new XS1_DataObject();
deserialized.Deserialize(Serialized);
Assert.AreEqual(start.ServerName, deserialized.ServerName);
Assert.AreEqual(start.Name, deserialized.Name);
Assert.AreEqual(start.Timecode.Ticks, deserialized.Timecode.Ticks);
Assert.AreEqual(start.Type, deserialized.Type);
Assert.AreEqual(start.TypeName, deserialized.TypeName);
Assert.AreEqual(start.Value, deserialized.Value);
Assert.AreEqual(start.XS1ObjectID, deserialized.XS1ObjectID);
}
private XS1_DataObject ReadFromCache(OnDiscAdress adress)
{
XS1_DataObject dataobject = new XS1_DataObject();
object cacheditem = sensor_data.Cache.ReadFromCache(adress);
if (cacheditem == null)
{
// not found in cache, read from disk and add to cache
dataobject.Deserialize(sensor_data.Read(adress));
sensor_data.Cache.AddToCache(adress,dataobject);
}
else
{
// found in cache, take it...
dataobject = (XS1_DataObject)cacheditem;
}
return dataobject;
}
static void Main(string[] args)
{
Console.WriteLine("hacs storage performance tuning project: benchmark");
Console.WriteLine("(C) 2013 Daniel Kirstenpfad - http://technology-ninja.com");
Console.WriteLine();
int number = 100000;
int cachefactor = 1;
Stopwatch sw = new Stopwatch();
#region Generating benchmark data set
if (Directory.Exists("benchmark-data"))
{
Directory.Delete("benchmark-data",true);
Directory.CreateDirectory("benchmark-data");
}
else
Directory.CreateDirectory("benchmark-data");
sw.Start();
TinyOnDiskStorage benchmark_storage = new TinyOnDiskStorage("benchmark-data" + Path.DirectorySeparatorChar + "benchmark-data", false, number/cachefactor);
sw.Stop();
Console.WriteLine("Initialized benchmark-data storage in "+sw.ElapsedMilliseconds+" ms");
sw.Reset();
Console.Write("Generating data ("+number+") - ");
int CursorLeft = Console.CursorLeft;
int CursorTop = Console.CursorTop;
sw.Start ();
for (int i=0;i<=number;i++)
{
//Console.SetCursorPosition(CursorLeft,CursorTop);
//Console.Write(i+"/"+number);
// now generating the file...
XS1_DataObject data = new XS1_DataObject("ServerName","Name",ObjectTypes.Actor,"TypeName",DateTime.Now,i,i);
benchmark_storage.Write(data.Serialize());
}
sw.Stop();
Console.WriteLine("done in "+sw.ElapsedMilliseconds+" ms");
sw.Reset();
Console.WriteLine("Resetting...");
benchmark_storage.Shutdown();
sw.Start();
benchmark_storage = new TinyOnDiskStorage("benchmark-data" + Path.DirectorySeparatorChar + "benchmark-data", false, number/2);
sw.Stop();
Console.WriteLine("Initialized benchmark-data storage in "+sw.ElapsedMilliseconds+" ms");
sw.Reset();
Console.Write("Reading ("+number+") - ");
int o = 0;
sw.Start();
foreach(OnDiscAdress addr in benchmark_storage.InMemoryIndex)
{
XS1_DataObject data = new XS1_DataObject();
data.Deserialize(benchmark_storage.Read(addr));
if (data.XS1ObjectID != o)
Console.WriteLine(data.Timecode.ToString());
o++;
}
o--;
sw.Stop();
Console.WriteLine("done ("+o+") in "+sw.ElapsedMilliseconds+" ms");
sw.Reset();
#endregion
}