private void ReadBlocks(FileStream fs)
{
while (true)
{
if (this.currentFileLength <= fs.Position)
{
break;
}
this.progress = (float)((double)fs.Position / (double)this.currentFileLength);
long position = fs.Position;
byte[] blockHeader = ReadFromFile(fs, 20);
byte[] messageInfo = ReadFromFile(fs, 12);
ulong threadId = GetULongValue(blockHeader, 8);
uint length = GetUInt(blockHeader, 16);
uint frameIdx;
bool isMessage = ReadFrameMessage(messageInfo, out frameIdx);
if (isMessage)
{
var frameMsgInfo = new FrameMessageInfo()
{
threadId = threadId,
profileFrameIdx = frameIdx,
dataPosIndex = this.threadDatas.Count
};
frameMessages.Add(frameMsgInfo);
}
/* header + size + footer */
var blockInfo = new FileBlockInfo(position, 20 + length + 8);
FileBlockInfoWithThreadId info = new FileBlockInfoWithThreadId()
{
blockInfo = blockInfo,
threadId = threadId
};
this.threadDatas.Add(info);
fs.Position = blockInfo.Position + blockInfo.Size;
}
}
public void Prepare()
{
long fileSize = 0;
long currentFilePos = 0;
using (FileStream fs = File.OpenRead(this.filePath))
{
fileSize = fs.Length;
for (int i = 0; ; ++i)
{
FileBlockInfo info = new FileBlockInfo(currentFilePos, 0);
if (fs.Length <= fs.Position)
{
break;
}
#if UNITY_2017_3_OR_NEWER
byte[] header = new byte[12];
fs.Read(header, 0, header.Length);
int size = GetIntValue(header, 4);
#else
byte[] header = new byte[16];
fs.Read(header, 0, header.Length);
int size = GetIntValue(header, 8);
#endif
info.Size = size + header.Length;
currentFilePos += info.Size;
fs.Position = currentFilePos;
this.progress = (float)((double)currentFilePos / (double)fileSize);
this.blocks.Add(info);
}
}
this.isCompleteFlag = true;
this.progress = 1.0f;
}