PointerInfo IDumpDataReader.Read(CancellationToken token, IProgress <int> prog)
{
var sw = new System.Diagnostics.Stopwatch();
sw.Start();
PointerInfo pointerInfo = new PointerInfo();
const int readMaxSize = 4096;
ReadIndicate();
//foreach (NoexsDumpIndex x in indices)
for (int index = 0; index < indices.Count; index++)
{
NoexsDumpIndex x = indices[index];
if (token.IsCancellationRequested)
{
token.ThrowIfCancellationRequested();
}
if (!IsMainHeapAddress(x.address))
{
continue;
}
fileStream.BaseStream.Seek(x.pos, SeekOrigin.Begin);
MemoryType type = GetMemoryType(x.address);
long startAddress = GetStartAddress(type);
long address = x.address - startAddress;
long rem = x.size;
while (rem > 0)
{
if (token.IsCancellationRequested)
{
token.ThrowIfCancellationRequested();
}
int readSize = readMaxSize;
if (rem < readSize)
{
readSize = (int)rem;
}
rem -= readSize;
byte[] buff = fileStream.ReadBytes(readSize);
//pickup pointer from heap
int loopcnt = readSize / 8;
for (int i = 0; i < loopcnt; i++)
{
long tmp_data = BitConverter.ToInt64(buff, i << 3);
if (IsHeapAddress(tmp_data))
{
Address from = new Address(type, address);
Address to = new Address(MemoryType.HEAP, tmp_data - heapStartAddress);
pointerInfo.AddPointer(from, to);
}
address += 8;
}
}
prog.Report((int)(100 * (index + 1) / indices.Count));
}
pointerInfo.MakeList();
sw.Stop();
TimeSpan ts = sw.Elapsed;
//3.28.24
return(pointerInfo);
}