public string getNextMsg()
{
byte[] msg = new byte[16];
int bytesRead = inputFS.Read(msg, 0, 16);
if (bytesRead < 16)
{
inputFS.Close();
blockStatsSW.Flush();
blockStatsSW.Close();
errorStatsSW.Flush();
errorStatsSW.Close();
rawMsgsSW.Flush();
rawMsgsSW.Close();
return(""); // Empty string indicates EOF
}
msgCount++;
rawMsgsSW.Write(msgCount.ToString() + " " + BuildOldStyleMsg(msg) + "\n");
// Check to make sure message is valid
// Check message format
if (!(CheckFormat(msg)))
{
errorCounter++;
if (!(ignoreFormatErrors))
{
MessageBoxResult res = MessageBox.Show("Message does not match required format!\n" +
"Select Yes to continue, No to ignore further errors, or Cancel to stop processing " +
"messages.\n" + BitConverter.ToString(msg).Replace("-", "") + "\n" + this.errorDetail,
"Parse Error", MessageBoxButton.YesNoCancel);
if (res == MessageBoxResult.No)
{
ignoreFormatErrors = true;
}
if (res == MessageBoxResult.Cancel)
{
//cancelConversion = true;
return("");
}
}
//return "FORMAT0000000000000000000D"; // Breaks Timestamp extraction
//return "0000000000000000000000000D"; // Pick something better for error indication
//Temp treating like an OK message
}
CheckBlock(msg);
if (cancelConversion)
{
if (errorCounter > 0)
{
MessageBoxResult res = MessageBox.Show("There were errors encountered during processing. See error log for details.\nThe total number of errors found is " + errorCounter.ToString() + " errors.", "Parse Error", MessageBoxButton.OK);
}
return("");
}
else // we have a good message, lets see if the timestamp is OK
{
string retVal = BuildOldStyleMsg(msg);
int timestamp = MsgUtils.getTimestampInt(retVal);
if (!bfirstTimestamp)
{
firstTimestamp = timestamp;
bfirstTimestamp = true;
}
if (!(timestamp >= lastTimestamp))
{
errorCounter++;
string errorString = "\n\nError Count: " + errorCounter.ToString() +
"\n Message Number: " + msgCount.ToString() +
"\n This Timestamp: " + timestamp.ToString() + "\n High Timestamp: " +
lastTimestamp.ToString() + "\n Difference: " + (timestamp - lastTimestamp).ToString() +
"\n ID " + MsgUtils.getCobIdString(retVal);
errorStatsSW.Write(errorString);
if (!(ignoreTimestampErrors))
{
MessageBoxResult res = MessageBox.Show("Timestamp Error: Current timestamp is earlier " +
"than a previous timestamp!\nSelect Yes to continue, No to ignore further errors, or " +
"Cancel to stop processing messages.\n" + errorString,
"Parse Error",
MessageBoxButton.YesNoCancel);
if (res == MessageBoxResult.No)
{
ignoreTimestampErrors = true;
}
if (res == MessageBoxResult.Cancel)
{
//cancelConversion = true;
retVal = "";
}
}
}
if (timestamp >= lastTimestamp)
{
lastTimestamp = timestamp;
}
// Format message like the old format
// Timestamp , cob ID, data bytes, data
return(retVal);
}
}
