private string ReadStream(string line)
{
Byte[] recivedData = new Byte[1024];
Byte[] emptyData = Encoding.GetEncoding(1251).GetBytes("");
try
{
if (TCPClient.Available > 0)
{
StringBuilder SB = new StringBuilder();
while (TCPClient.Available > 0)
{
int streamLength = TCPStream.Read(recivedData, 0, recivedData.Length);
SB.Append(Encoding.GetEncoding(1251).GetString(recivedData, 0, streamLength));
}
string sbResult = SB.ToString();
if (!string.IsNullOrEmpty(line))
{
return(string.Concat(line, sbResult));
}
return(sbResult);
}
else if (waitForConfirmationReply)
{
lock (this)
{
int milisecondsElapsed = (int)((TimeSpan)(DateTime.Now - actualLastPackageTime)).TotalMilliseconds;
if (milisecondsElapsed > 500)
{
//Trace.WriteLine(string.Format("WaitForConfirmationReply package.PackageID = {0};\t{1}",
// lastPackageId, DateTime.Now));
TCPStream.Write(packageConfirmation, 0, packageConfirmation.Length);
actualLastPackageTime = DateTime.Now;
}
}
}
lock (this)
{
TCPStream.Write(emptyData, 0, emptyData.Length);
}
// if anybody comment next string, CPU will die with five or more client connections
if (NeedToUpdate)
{
SendUpdate();
return(null);
}
string packageId;
long MSecDiff = (DateTime.Now.Ticks - lastTimePingSent) / 10000;
if (
//false &&
(NeedToPing && !PingSent && MSecDiff >= 700))
{
// TestString length is 100 bytes
const string TestString = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789";
StringBuilder sb = new StringBuilder(TestString);
for (int i = 0; i < 0; i++)
{
sb.Append(TestString);
}
WriteStream(PackageViaWireless.BuildPackage(0, "Ping", Aramis.Net.PackageConvertation.GetStrPatametersFromArray(DateTime.Now.Ticks.ToString(), sb.ToString()), false, out packageId), packageId);
PingSent = true;
return(null);
}
//MSecDiff = (DateTime.Now.Ticks - lastTimeMessageCheck) / 10000;
if (ClientCode == "")
{ // Еще не известно для кого проверять наличие сообщения
Byte[] answer;
if (NewConnection)
{
answer = PackageViaWireless.BuildPackage(0, "TimeSynchronization", Aramis.Net.PackageConvertation.GetStrPatametersFromArray(DateTime.Now.ToString("dd.MM.yyyy HH:mm:ss")), false, out packageId);
// Sending answer
WriteStream(answer, packageId);
NewConnection = false;
}
if (KeyPress != 0)
{
answer = PackageViaWireless.BuildPackage(0, "KeyPressing", Aramis.Net.PackageConvertation.GetStrPatametersFromArray(KeyPress), false, out packageId);
WriteStream(answer, packageId);
KeyPress = 0;
}
if (SendBarcode != null)
{
answer = PackageViaWireless.BuildPackage(0, "BarcodeEvent", Aramis.Net.PackageConvertation.GetStrPatametersFromArray(SendBarcode), false, out packageId);
WriteStream(answer, packageId);
SendBarcode = null;
}
Thread.Sleep(100);
return(null);
}
}
catch (Exception exp)
{ /* I just was unable to find other way for inform TcpClient about connection death.
* /* Without attempt of writing empty string to stream the property "Available" return
* /* wrong value, for example "TRUE" when client went to dining room :) */
Console.Write("Disconnecting for machine [ {0} ], thread {1}. Exp:{2}", IPAddress, Thread.CurrentThread.GetHashCode(), exp.Message);
CloseChannels();
return("");
}
}
