public DataFile GetFile(string name, FileMode mode = FileMode.OpenOrCreate)
{
bool flag = false;
DataFile result;
try
{
Monitor.Enter(this, ref flag);
DataFile dataFile;
this.files.TryGetValue(name, out dataFile);
if (dataFile == null)
{
Console.WriteLine(DateTime.Now + " Opening file : " + name);
dataFile = new DataFile(this.path + "\\" + name, this.streamerManager);
dataFile.Open(mode);
this.files.Add(name, dataFile);
}
result = dataFile;
}
finally
{
if (flag)
{
Monitor.Exit(this);
}
}
return result;
}
public DataKey(DataFile file, object obj = null, long prev = -1L, long next = -1L) : base(file, "", obj)
{
this.label = "DKey";
this.keyLength = 77;
this.prev = prev;
this.next = next;
}
public FileInstrumentServer(Framework framework, string fileName, string host = null) : base(framework)
{
if (host == null)
{
this.file = new DataFile(fileName, framework.streamerManager);
return;
}
this.file = new NetDataFile(fileName, host, framework.streamerManager);
}
public DataSeries GetSeries(string fileName, string seriesName)
{
DataFile file = this.GetFile(fileName, FileMode.OpenOrCreate);
DataSeries dataSeries = (DataSeries)file.Get(seriesName);
if (dataSeries == null)
{
dataSeries = new DataSeries(seriesName);
file.Write(seriesName, dataSeries);
}
return(dataSeries);
}
private void ReadCache()
{
this.cacheKey = this.file.ReadKey(this.cachePosition, 38);
this.cache = ((DataKeyIdArray)this.cacheKey.GetObject()).keys;
for (int i = 0; i < this.cache.Size; i++)
{
if (this.cache[i] != null)
{
this.cache[i].file = this.file;
this.cache[i].number = i;
}
}
}
internal void Init(DataFile file)
{
this.file = file;
if (this.obj != null)
{
ObjectStreamer objectStreamer;
file.streamerManager.streamerByType.TryGetValue(this.obj.GetType(), out objectStreamer);
if (objectStreamer != null)
{
this.typeId = objectStreamer.typeId;
return;
}
Console.WriteLine("ObjectKey::Init Can not find streamer for object of type " + this.obj.GetType());
}
}
internal void Init(DataFile file, ObjectKey key)
{
this.file = file;
this.key = key;
key.compressionLevel = 0;
key.compressionMethod = 0;
if (this.cachePosition == -1L)
{
if (this.buffer_count < 4096)
{
this.cache = new IdArray <DataKey>(4096);
}
else
{
this.cache = new IdArray <DataKey>(this.buffer_count);
}
this.cacheKey = new ObjectKey(file, "", new DataKeyIdArray(this.cache));
}
}
static void DumpDataFile()
{
var f = Framework.Current;
var df = new DataFile("d:\\data.quant", f.StreamerManager);
df.Open();
df.Dump();
ObjectKey key;
var kname = "AAPL.0.Bid";
df.Keys.TryGetValue(kname, out key);
if (key != null)
{
Console.WriteLine(key.DateTime);
Console.WriteLine(key.CompressionLevel);
Console.WriteLine(key.CompressionMethod);
var obj = (DataSeries)key.GetObject();
obj.Dump();
for (long i = 0; i < obj.Count; i++)
Console.WriteLine(obj.Get(i));
}
df.Close();
}
internal void Init(DataFile file, ObjectKey key)
{
this.file = file;
this.key = key;
key.compressionLevel = 0;
key.compressionMethod = 0;
if (this.cachePosition == -1L)
{
if (this.buffer_count < 4096)
{
this.cache = new IdArray<DataKey>(4096);
}
else
{
this.cache = new IdArray<DataKey>(this.buffer_count);
}
this.cacheKey = new ObjectKey(file, "", new DataKeyIdArray(this.cache));
}
}
private void ReadCache()
{
this.cacheKey = this.file.ReadKey(this.cachePosition, 38);
this.cache = ((DataKeyIdArray)this.cacheKey.GetObject()).keys;
for (int i = 0; i < this.cache.Size; i++)
{
if (this.cache[i] != null)
{
this.cache[i].file = this.file;
this.cache[i].number = i;
}
}
}
public FreeKey(ObjectKey key)
{
this.file = key.file;
this.position = key.position;
this.length = key.recLength;
}
public FreeKey(DataFile file, long position = -1L, int length = -1)
{
this.file = file;
this.position = position;
this.length = length;
}
public void Delete(string fileName, string objectName)
{
DataFile file = this.GetFile(fileName, FileMode.OpenOrCreate);
file.Delete(objectName);
}