public async Task <IEnumerable <GameEvent> > ReadEventsFromLog(long fileSizeDiff, long startPosition)
{
// allocate the bytes for the new log lines
List <string> logLines = new List <string>();
// open the file as a stream
using (FileStream fs = new FileStream(_logFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
byte[] buff = new byte[fileSizeDiff];
fs.Seek(startPosition, SeekOrigin.Begin);
await fs.ReadAsync(buff, 0, (int)fileSizeDiff);
var stringBuilder = new StringBuilder();
char[] charBuff = Utilities.EncodingType.GetChars(buff);
foreach (char c in charBuff)
{
if (c == '\n')
{
logLines.Add(stringBuilder.ToString());
stringBuilder = new StringBuilder();
}
else if (c != '\r')
{
stringBuilder.Append(c);
}
}
if (stringBuilder.Length > 0)
{
logLines.Add(stringBuilder.ToString());
}
}
List <GameEvent> events = new List <GameEvent>();
// parse each line
foreach (string eventLine in logLines.Where(_line => _line.Length > 0))
{
try
{
var gameEvent = _parser.GenerateGameEvent(eventLine);
events.Add(gameEvent);
}
catch (Exception e)
{
_logger.WriteWarning("Could not properly parse event line");
_logger.WriteDebug(e.Message);
_logger.WriteDebug(eventLine);
}
}
return(events);
}
public async Task <IEnumerable <GameEvent> > ReadEventsFromLog(long fileSizeDiff, long startPosition)
{
var events = new List <GameEvent>();
var response = await _logServerApi.Log(_safeLogPath, lastKey);
lastKey = response.NextKey;
if (!response.Success && string.IsNullOrEmpty(lastKey))
{
_logger.WriteError($"Could not get log server info of {_safeLogPath}");
return(events);
}
else if (!string.IsNullOrWhiteSpace(response.Data))
{
// parse each line
var lines = response.Data
.Split(Environment.NewLine)
.Where(_line => _line.Length > 0);
foreach (string eventLine in lines)
{
try
{
// this trim end should hopefully fix the nasty runaway regex
var gameEvent = _eventParser.GenerateGameEvent(eventLine.TrimEnd('\r'));
events.Add(gameEvent);
}
catch (Exception e)
{
_logger.WriteError("Could not properly parse event line from http");
_logger.WriteDebug(e.Message);
_logger.WriteDebug(eventLine);
}
}
}
return(events);
}