/// <summary>
/// Constructs InstanceLogger with given file.
/// </summary>
/// <param name="filename"></param>
/// <param name="mode"></param>
public InstanceLogger(string filename, FileMode mode = FileMode.OpenOrCreate)
{
log = new FileLog(filename, mode);
IsTempFile = false;
int count = log.GetChannelCount();
using (var reader = log.ReaderPool.Get())
{
channels.AddRange(reader.ReadChannelsData(1, count));
}
}
/// <summary>
/// Reads channel data
/// </summary>
/// <param name="id">1-based channel id</param>
/// <returns>channel</returns>
public IChannel ReadChannelData(int id)
{
if (log.GetChannelCount() >= id)
{
int off;
var hint = getChannelTableHintByID(id, out off);
lock (streamLock)
{
var initialPos = stream.Position;
// move stream position to the correct channel pointer
stream.Position += off * sizeof(long);
// move the stream position to channel data
var ret = readChannelDataByHint(binReader.ReadInt64());
stream.Position = initialPos;
return(ret);
}
}
return(null);
}