public bool TrySendNextLine2()
{
string logtext = null;
int loglevel = 0;
float logprogress = -1;
string printeraction = null;
GCode historygc = null;
GCode hostCommand = null;
bool lineInc = false;
if (!garbageCleared)
{
return(false);
}
try
{
lock (nextlineLock)
{
if (pingpong && !readyForNextSend)
{
return(false);
}
if (!connected)
{
return(false); // Not ready yet
}
GCode gc = null;
try
{
// then check for manual commands
if (injectCommands.Count > 0 && !job.exclusive)
{
lock (history)
{
gc = injectCommands.First.Value;
if (gc.hostCommand)
{
hostCommand = gc;
}
else
{
if (gc.M == 110)
{
lastline = gc.N;
}
else //if (gc.M != 117)
{
gc.N = ++lastline;
lineInc = true;
}
if (!pingpong && receivedCount() + gc.orig.Length > receiveCacheSize)
{
if (lineInc)
{
--lastline;
}
return(false);
} // printer cache full
if (pingpong)
{
readyForNextSend = false;
}
else
{
lock (nackLines) { nackLines.AddLast(gc.orig.Length); }
}
virtualPrinter.receiveLine(gc);
bytesSend += gc.orig.Length;
}
injectCommands.RemoveFirst();
}
if (!gc.hostCommand)
{
linesSend++;
lastCommandSend = DateTime.Now.Ticks;
historygc = gc;
}
con.analyzer.Analyze(gc);
if (job.dataComplete == false)
{
if (injectCommands.Count == 0)
{
printeraction = Trans.T("L_IDLE");
}
else
{
printeraction = Trans.T1("L_X_COMMANDS_WAITING", injectCommands.Count.ToString());
}
}
return(true);
}
// do we have a printing job?
if (job.dataComplete && !paused)
{
lock (history)
{
gc = job.PeekData();
if (gc.hostCommand)
{
hostCommand = gc;
}
else
{
if (gc.M == 110)
{
lastline = gc.N;
}
else //if (gc.M != 117)
{
gc.N = ++lastline;
lineInc = true;
}
string cmd = gc.getAscii(true, true);
if (!pingpong && receivedCount() + cmd.Length /*gc.orig.Length*/ > receiveCacheSize)
{
if (lineInc)
{
--lastline;
}
return(false);
} // printer cache full
if (pingpong)
{
readyForNextSend = false;
}
else
{
lock (nackLines) { nackLines.AddLast(cmd.Length /*gc.orig.Length*/); }
}
virtualPrinter.receiveLine(gc);
bytesSend += cmd.Length; // gc.orig.Length;
}
job.PopData();
}
if (!gc.hostCommand)
{
linesSend++;
lastCommandSend = DateTime.Now.Ticks;
printeraction = Trans.T1("L_PRINTING..ETA", job.ETA); //"Printing...ETA " + job.ETA;
if (job.maxLayer > 0)
{
printeraction += " " + Trans.T2("L_LAYER_X/Y", con.analyzer.layer.ToString(), job.maxLayer.ToString()); // Layer " + analyzer.layer + "/" + job.maxLayer;
}
logprogress = job.PercentDone;
}
con.analyzer.Analyze(gc);
return(true);
}
}
catch (InvalidOperationException ex)
{
logtext = Trans.T("L_ERROR_SENDING_DATA:") + ex; // "Error sending data:" + ex;
loglevel = 2;
}
}
}
finally
{
// need to extract log/event calls because they cause deadlocks inside
// the lock statement.
if (hostCommand != null)
{
Main.main.Invoke(Main.main.executeHostCall, hostCommand);
}
if (historygc != null)
{
con.log(historygc.getAscii(true, true), false, 0);
}
if (logtext != null)
{
con.log(logtext, false, loglevel);
}
if (printeraction != null)
{
con.firePrinterAction(printeraction);
}
if (logprogress >= 0 && Math.Abs(lastlogprogress - logprogress) > 0.3)
{
lastlogprogress = logprogress;
con.FireJobProgressAsync(job.PercentDone);
}
}
return(false);
}