} // AccumulateByte
// Subroutine to write the partial to a file...should only be called on block boundaries.
public void WritePartialToFile()
{
try
{
if (bytData.Length < 255)
{
return;
}
var messageStore = new MessageStore(DatabaseFactory.Get());
//
// Write or append the byte data to the output file
//
var bytOrig = messageStore.GetTemporaryInboundMessage(strMID);
int intLen = bytOrig.Length;
if (intLen > 0)
{
Array.Resize(ref bytOrig, intLen + bytData.Length + 1);
bytData.CopyTo(bytOrig, intLen);
messageStore.SaveTemporaryInboundMessage(strMID, bytOrig);
}
else
{
messageStore.SaveTemporaryInboundMessage(strMID, bytData);
}
bytData = new byte[0];
}
catch (Exception ex)
{
_log.Error("[PartialSessions, WritePartialToFile] Error: " + ex.Message);
}
} // WritePartialToFile
} // PurgeCurrentPartial
// Function to retrieve the partial file to be re processed by MessageInbound
public byte[] RetrievePartial(string MID)
{
var messageStore = new MessageStore(DatabaseFactory.Get());
byte[] bytFiledata = messageStore.GetTemporaryInboundMessage(MID);
if (bytFiledata.Length == 0)
{
blnFirstRcvdBlk = false;
blnRemoveHdr8 = false;
}
return(bytFiledata);
} // RetrievePartial
private int IsPartialMessage(string MID, string Length)
{
// Function to check and return if any partially received MIDs are saved
// Returns 0 if none or if current file size >= Length or an error,
// otherwise the length of data already received.
var intBytesReceived = default(int);
byte[] bytFiledata;
try
{
var dataStore = new MessageStore(DatabaseFactory.Get());
bytFiledata = dataStore.GetTemporaryInboundMessage(MID);
if (bytFiledata.Length > 0)
{
// Assume any partial will be a multiple of 250 real bytes as the last block of < 250 bytes
// would indicate a completed file...
if (bytFiledata.Length > 255)
{
intBytesReceived = bytFiledata.Length - (bytFiledata[1] + 2 + 2 * (bytFiledata.Length / 250));
if (intBytesReceived < 250 | intBytesReceived % 250 != 0)
{
// Problem with partial...
_log.Error("IsPartialMessage: Computed Bytes received is not modulo 250, Partial MID: " + MID + " Purged!");
dataStore.DeleteTemporaryInboundMessage(MID);
intBytesReceived = 0;
}
else if (intBytesReceived >= Convert.ToInt32(Length))
{
_log.Error("IsPartialMessage: Partial Length exceeded proposed length, Partial MID: " + MID + " Purged!");
dataStore.DeleteTemporaryInboundMessage(MID);
intBytesReceived = 0;
}
}
else
{
_log.Error("IsPartialMessage: Partial Files size < 255, Partial MID: " + MID + " Purged!");
dataStore.DeleteTemporaryInboundMessage(MID);
}
}
return(intBytesReceived);
}
catch (Exception e)
{
var dataStore = new MessageStore(DatabaseFactory.Get());
dataStore.DeleteTemporaryInboundMessage(MID);
_log.Error("[IsPartialMessage] " + e.Message);
return(0);
}
} // IsPartialMessage
