private void Open(float lat, float lon)
{
CommitCacheRequired = false;
SectorCached = -1;
Latitude = (short)lat;
Longitude = (short)lon;
lock (syncLock)
{
Transition(States.LOCKED_AND_SYNCING);
if (File.Exists(FileName))
{
//STrace.Trace(typeof(GR2).FullName,2, "QTREE/GR2: Abriendo archivo " + FileName);
using (var sw = File.OpenRead(FileName))
{
var data = new byte[512];
sw.Read(data, 0, 512);
sw.Close();
unsafe
{
fixed(byte *ptrBuffer = &data[0])
{
Headers = (Gr2Headers)
Marshal.PtrToStructure(new IntPtr(ptrBuffer),
typeof(Gr2Headers));
}
}
}
Transition(States.INSERVICE);
return;
}
STrace.Debug(typeof(GR2).FullName, String.Format("QT0003: El archivo no existe. Ruta: {0}", FileName));
Transition(States.FAILURE);
}
}
private void Create(float lat, float lon)
{
CommitCacheRequired = false;
SectorCached = -1;
Latitude = (short)lat;
Longitude = (short)lon;
Headers = new Gr2Headers {
Signature = "QF-v0.5",
base_lat = (short)lat,
base_lon = (short)lon,
Revision = 0,
Status = (char)1
};
lock (syncLock)
{
Transition(States.LOCKED_AND_SYNCING);
if (!File.Exists(FileName))
{
//STrace.Trace(typeof(GR2).FullName,2, "QTREE/GR2: Creando archivo de tamaño y layout.");
using (var sw = File.Create(FileName))
{
var data = new byte[512];
unsafe
{
fixed(byte *ptrBuffer = &data[0])
{
Marshal.StructureToPtr(Headers, new IntPtr(ptrBuffer), true);
}
}
sw.Write(data, 0, 512);
data = new byte[512];
for (var y = 0; y < 60; y++)
{
for (var x = 0; x < 60; x++)
{
sw.Write(data, 0, 512);
}
}
sw.Close();
}
Transition(States.INSERVICE);
return;
}
STrace.Debug(typeof(GR2).FullName, String.Format("QT0002: El archivo ya existe. Ruta: {0}", FileName));
Transition(States.FAILURE);
}
}
