public static void DecodeAsc3File(string fileName, string signalId,
BlockingCollection <Data.MOE.Controller_Event_LogRow> rowBag, DateTime earliestAcceptableDate)
{
var encoding = Encoding.ASCII;
// load the file into memory stream
var fileStream = File.Open(fileName, FileMode.Open);
var memoryStream = new MemoryStream();
fileStream.CopyTo(memoryStream);
fileStream.Close();
// set the memory position to beggining
memoryStream.Position = 0;
// first let's check to see if the data is compressed
if (IsCompressed(memoryStream))
{
// ok it is compressed, let's decompress it before we procced
memoryStream = DecompessedStream(memoryStream);
}
using (var br = new BinaryReader(memoryStream, encoding))
{
var elTable = new Data.MOE.Controller_Event_LogDataTable();
//var custUnique =
// new UniqueConstraint(new[]
// {
// elTable.Columns["SignalID"],
// elTable.Columns["Timestamp"],
// elTable.Columns["EventCode"],
// elTable.Columns["EventParam"]
// });
//elTable.Constraints.Add(custUnique);
if (br.BaseStream.Position + 21 < br.BaseStream.Length)
{
//Find the start Date
var dateString = "";
for (var i = 1; i < 21; i++)
{
var c = br.ReadChar();
dateString += c;
}
var startTime = new DateTime();
if (DateTime.TryParse(dateString, out startTime) && br.BaseStream.Position < br.BaseStream.Length)
{
//find line feed characters, that should take us to the end of the header.
// First line break is after Version
// Second LF is after FileName
// Third LF is after Interseciton number, which isn't used as far as I can tell
// Fourth LF is after IP address
// Fifth is after MAC Address
// Sixth is after "Controller data log beginning:," and then the date
// Seven is after "Phases in use:," and then the list of phases, seperated by commas
var i = 0;
while (i < 7 && br.BaseStream.Position < br.BaseStream.Length)
{
var c = br.ReadChar();
if (c == '\n')
{
i++;
}
}
// after that, we start reading until we reach the end
while (br.BaseStream.Position + sizeof(byte) * 4 <= br.BaseStream.Length)
{
var eventTime = new DateTime();
var eventCode = new int();
var eventParam = new int();
for (var eventPart = 1; eventPart < 4; eventPart++)
{
//getting the EventCode
if (eventPart == 1)
{
eventCode = Convert.ToInt32(br.ReadByte());
}
if (eventPart == 2)
{
eventParam = Convert.ToInt32(br.ReadByte());
}
//getting the time offset
if (eventPart == 3)
{
var rawoffset = new byte[2];
rawoffset = br.ReadBytes(2);
Array.Reverse(rawoffset);
int offset = BitConverter.ToInt16(rawoffset, 0);
var tenths = Convert.ToDouble(offset) / 10;
eventTime = startTime.AddSeconds(tenths);
}
}
if (eventTime <= DateTime.Now && eventTime > earliestAcceptableDate)
{
try
{
var eventrow = elTable.NewController_Event_LogRow();
eventrow.Timestamp = eventTime;
eventrow.SignalID = signalId;
eventrow.EventCode = eventCode;
eventrow.EventParam = eventParam;
rowBag.Add(eventrow);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
}
//this is what we do when the datestring doesn't parse
}
//this is what we do when the datestring doesn't parse
}
}
//static public MOE.Common.Data.MOE.Controller_Event_LogDataTable DecodeASC3File(string FileName, string SignalId)
public static void DecodeASC3File(string FileName, string SignalId,
BlockingCollection <Data.MOE.Controller_Event_LogRow> RowBag)
{
var EarliestAcceptableDate = Settings.Default.EarliestAcceptableDate;
var encoding = Encoding.ASCII;
using (var BR = new BinaryReader(File.Open(FileName, FileMode.Open), encoding))
{
var elTable = new Data.MOE.Controller_Event_LogDataTable();
var custUnique =
new UniqueConstraint(new[]
{
elTable.Columns["SignalID"],
elTable.Columns["Timestamp"],
elTable.Columns["EventCode"],
elTable.Columns["EventParam"]
});
elTable.Constraints.Add(custUnique);
if (BR.BaseStream.Position + 21 < BR.BaseStream.Length)
{
//Find the start Date
var dateString = "";
for (var i = 1; i < 21; i++)
{
var c = BR.ReadChar();
dateString += c;
}
//Console.WriteLine(dateString);
var StartTime = new DateTime();
if (DateTime.TryParse(dateString, out StartTime) && BR.BaseStream.Position < BR.BaseStream.Length)
{
//find line feed characters, that should take us to the end of the header.
// First line break is after Version
// Second LF is after FileName
// Third LF is after Interseciton number, which isn't used as far as I can tell
// Fourth LF is after IP address
// Fifth is after MAC Address
// Sixth is after "Controller data log beginning:," and then the date
// Seven is after "Phases in use:," and then the list of phases, seperated by commas
var i = 0;
while (i < 7 && BR.BaseStream.Position < BR.BaseStream.Length)
{
var c = BR.ReadChar();
//Console.WriteLine(c.ToString());
if (c == '\n')
{
i++;
}
}
//The first record alwasy seems to be missing a timestamp. Econolite assumes the first even occures at the same time
// the second event occurs. I am going to tag the first event with secondevet.timestamp - 1/10 second
var firstEventCode = new int();
var firstEventParam = new int();
if (BR.BaseStream.Position + sizeof(char) < BR.BaseStream.Length)
{
firstEventCode = Convert.ToInt32(BR.ReadChar());
}
if (BR.BaseStream.Position + sizeof(char) < BR.BaseStream.Length)
{
firstEventParam = Convert.ToInt32(BR.ReadChar());
}
var firstEventEntered = false;
//MOE.Common.Business.ControllerEvent firstEvent = new MOE.Common.Business.ControllerEvent(SignalID, StartTime, firstEventCode, firstEventParam);
//After that, we can probably start reading
while (BR.BaseStream.Position + sizeof(byte) * 4 <= BR.BaseStream.Length
) //we need ot make sure we are more that 4 characters from the end
{
var EventTime = new DateTime();
var EventCode = new int();
var EventParam = new int();
//MOE.Common.Business.ControllerEvent controllerEvent = null;
for (var EventPart = 1; EventPart < 4; EventPart++)
{
//getting the time offset
if (EventPart == 1)
{
var rawoffset = new byte[2];
//char[] offset = new char[2];
rawoffset = BR.ReadBytes(2);
Array.Reverse(rawoffset);
int offset = BitConverter.ToInt16(rawoffset, 0);
var tenths = Convert.ToDouble(offset) / 10;
EventTime = StartTime.AddSeconds(tenths);
}
//getting the EventCode
if (EventPart == 2)
{
EventCode = Convert.ToInt32(BR.ReadByte());
}
if (EventPart == 3)
{
EventParam = Convert.ToInt32(BR.ReadByte());
}
}
//controllerEvent = new MOE.Common.Business.ControllerEvent(SignalID, EventTime, EventCode, EventParam);
if (EventTime <= DateTime.Now && EventTime > EarliestAcceptableDate)
{
if (!firstEventEntered)
{
try
{
var eventrow = elTable.NewController_Event_LogRow();
eventrow.Timestamp = EventTime.AddMilliseconds(-1);
eventrow.SignalID = SignalId;
eventrow.EventCode = firstEventCode;
eventrow.EventParam = firstEventParam;
if (!RowBag.Contains(eventrow))
{
RowBag.Add(eventrow);
}
}
catch
{
}
firstEventEntered = true;
}
else
{
try
{
var eventrow = elTable.NewController_Event_LogRow();
eventrow.Timestamp = EventTime;
eventrow.SignalID = SignalId;
eventrow.EventCode = EventCode;
eventrow.EventParam = EventParam;
if (!RowBag.Contains(eventrow))
{
RowBag.Add(eventrow);
}
}
catch
{
}
}
}
}
}
//this is what we do when the datestring doesn't parse
}
//this is what we do when the datestring doesn't parse
//return true;
}
}
