private void GrabTransmissionInCache(object derp, ElapsedEventArgs e)
{
string msg;
msg = ClientMsgCache.Read(CID, cType);
try
{
if (msg != null)
{
bytes = Encoding.ASCII.GetBytes(msg);
connection.Send(bytes);
}
timSendChk.Start();
}
catch (Exception Ex)
{
GlobSyn.Log("FAILURE! Error while xmitting to client " + connection.RemoteEndPoint.ToString() + Environment.NewLine + "~~See Exception: " + Ex.Message);
}
SessionTime += 100; //add 100ms
if (cType == ClientType.ConsumerClient && SessionTime / (5 * 60 * 1000) > 0) //over 5 minutes of connection? kill 'im
{
GlobSyn.Log("RemConClient reached max connection time (5 minutes) " + connection.RemoteEndPoint.ToString() + Environment.NewLine + "~~~Killing the connection");
bytes[0] = disposing ? (byte)0 : ThisConnectionSucks();
}
}
private void BidiChat()
{
var syn = new System.Windows.Forms.Form(); //wow...I actually need a freaking form object instantiated here to get these timers to run on this thread -__-
ISynchronizeInvoke synob = (ISynchronizeInvoke)syn;
ClientMsgCache.ClientAdded(cType);
GlobSyn.MsgFromClient(cType, CID, connection.RemoteEndPoint, "ClientSetup <EOF>");
timKeepAlive = new System.Timers.Timer();
timKeepAlive.SynchronizingObject = synob;
timKeepAlive.Elapsed += new ElapsedEventHandler(KeepAliveTO);
timKeepAlive.Interval = 1000 * 20; //at 20 seconds, 18 bytes per exchange, should be 2.3MB/month
timKeepAlive.Start();
timSendChk = new System.Timers.Timer();
timSendChk.SynchronizingObject = synob;
timSendChk.Elapsed += new ElapsedEventHandler(GrabTransmissionInCache); //check for message to send every 100ms
timSendChk.Interval = 100;
timSendChk.Start();
timRecMsgEscape = new System.Timers.Timer();
timRecMsgEscape.SynchronizingObject = synob;
timRecMsgEscape.Elapsed += new ElapsedEventHandler(recMsgTO);
timRecMsgEscape.Interval = 1000;
connection.Blocking = false;
try
{
while (true)
{
string retstr = null;
do
{
Thread.Sleep(10);
retstr = ReceiveWholeMsg();
} while (retstr == null);
GlobSyn.MsgFromClient(cType, CID, connection.RemoteEndPoint, retstr);
timKeepAlive.Stop();
timKeepAlive.Interval = 20000;
timKeepAlive.Start();
//Thread.Sleep(100); //take a lil break before blocking on another receive
}
}
catch (Exception Ex)
{
if (connection != null)
{
GlobSyn.Log("FAILED TCP Client Connection reading from " + connection.RemoteEndPoint.ToString() + Environment.NewLine + "~~See Exception: " + Ex.Message);
}
}
}
public void SendToClients()
{
string msg = "ACK_Status <EOF>";
//CarState already in here
msg = msg.Insert(msg.IndexOf(" <EOF>"), " RPIClientEndPoint:" + Ipep);
msg = msg.Insert(msg.IndexOf(" <EOF>"), " CarState:" + CarState);
msg = msg.Insert(msg.IndexOf(" <EOF>"), " RPIState:" + RPIState);
msg = msg.Insert(msg.IndexOf(" <EOF>"), " InfoTime:" + InfoTime + '~');
ClientMsgCache.AddMessage(msg, ClientType.ConsumerClient);
}
public TCPClientConn(Socket handle, ClientType ct)
{
connection = handle;
connection.ReceiveTimeout = 500; //not presently used? maybe? I'm in "non-blocking" sychronous mode..whatever that means?!!????
cType = ct;
SessionTime = 0;
CID = ClientMsgCache.GenerateClientID(cType);
connThread = new Thread(new ThreadStart(BidiChat));
//connThread.Priority = ThreadPriority.BelowNormal;
connThread.IsBackground = true;
connThread.Start();
}
private byte ThisConnectionSucks()
{
disposing = true;// don't let this thread call this thang more than once!
ClientMsgCache.ClientRemoved(cType);
GlobSyn.MsgFromClient(cType, CID, connection.RemoteEndPoint, "ClientKilled <EOF>");
timKeepAlive.Stop();
timRecMsgEscape.Stop();
timSendChk.Stop();
timKeepAlive.Dispose();
timRecMsgEscape.Dispose();
timSendChk.Dispose();
SelfDestruct(this); //if I abort the thread I am running on...wat..wait BRAIN MELT??!?!? will this be reached? put abort afterwards...lesse
connThread.Abort();
return(1);
}
public void OnMsgFromClient(ClientType ctSource, uint CID, EndPoint ipep, string msg)
{
if (ctSource == ClientType.ConsumerClient)
{
if (msg.Contains("ClientSetup"))
{
//ClientMsgCache.AddMessage(msg, ClientType.RPIProducerClient);
parentForm.lsvRemConClients.Items.Add("CID: " + CID.ToString() + " - " + ipep.ToString());
//Package an ACK_Status of the RPI off to this client right away??!
LatestRPI.SendToClients();
}
else if (msg.Contains("ClientKilled"))
{
string removelistitem = "CID: " + CID.ToString() + " - " + ipep.ToString();
foreach (ListViewItem item in parentForm.lsvRemConClients.Items)
{
if (item.Text == removelistitem)
{
parentForm.lsvRemConClients.Items.Remove(item);
break;
}
}
//?? For now, turn off car when client DC's
//LatestRPI.CarState = "OFF";
}
else if (msg.Contains("ACK_Status")) //meh, just for knowing the remconclient is alive...but respond with a full ack from rpi
{
BackgroundBlipper bb = new BackgroundBlipper("CID: " + CID.ToString() + " - " + ipep.ToString(), ImaBlipAClient);
string removelistitem = "CID: " + CID.ToString() + " - " + ipep.ToString();
foreach (ListViewItem item in parentForm.lsvRemConClients.Items)
{
if (item.Text == removelistitem)
{
item.BackColor = Color.LightGreen;
break;
}
}
//LatestRPI.SendToClients(); naw...he just responded to a req
}
else if (msg.Contains("StartCar"))
{
ClientMsgCache.AddMessage(msg, ClientType.RPIProducerClient);
parentForm.txtTraffic.Text = ">> " + String.Format("{0:G}", DateTime.Now) + " - " + " (RemCon -> Rpi) " + msg + Environment.NewLine + parentForm.txtTraffic.Text;
//?? For now pass back to client that he started the car, SHHHHH. He won't know
//LatestRPI.CarState = "ON";
//LatestRPI.SendToClients();
}
else if (msg.Contains("Debug <EOF>"))
{
ClientMsgCache.AddMessage(msg, ClientType.RPIProducerClient);
parentForm.txtTraffic.Text = ">> " + String.Format("{0:G}", DateTime.Now) + " - " + " (RemCon -> Rpi) " + msg + Environment.NewLine + parentForm.txtTraffic.Text;
}
else
{
return;
}
}
else if (ctSource == ClientType.RPIProducerClient)
{
if (msg.Contains("ClientSetup")) //
{
//update RPI info
LatestRPI.Ipep = ipep.ToString();
LatestRPI.InfoTime = String.Format("{0:G}", DateTime.Now);
LatestRPI.RPIState = "UP";
//prep/send message on to remcon clients
LatestRPI.SendToClients();
//update form
parentForm.lblRPIStatus.Text = LatestRPI.RPIState;
parentForm.lblRPIStatus.BackColor = Color.Green;
parentForm.lblRPIEndPoint.Text = LatestRPI.Ipep;
parentForm.lblRPILastCom.Text = LatestRPI.InfoTime;
}
else if (msg.Contains("ClientKilled"))
{
// parentForm.lblRPIEndPoint.Text = "N/A"; leave the IP alone? Will just update with next ACK_Status I s'pose
LatestRPI.InfoTime = String.Format("{0:G}", DateTime.Now);
LatestRPI.RPIState = "DOWN";
//prep/send message on to remcon clients
LatestRPI.SendToClients();
//update form
parentForm.lblRPIStatus.Text = "DOWN";
parentForm.lblRPIStatus.BackColor = Color.Red;
}
else if (msg.Contains("ACK_Status")) //Arrives With: "CarState:""ON" or "OFF" ----- Also leaves with: "RPIClientEndPoint:"IP:PORT , "InfoTime:"LatestRPI.InfoTime , "RPIState:""UP" or "DOWN"
{
//update RPI info
LatestRPI.Ipep = ipep.ToString();
LatestRPI.InfoTime = String.Format("{0:G}", DateTime.Now);
LatestRPI.RPIState = "UP";
LatestRPI.CarState = msg.Substring(msg.IndexOf("CarState:")).Split(' ')[0].Replace("CarState:", "");
//prep/send message on to remcon clients
LatestRPI.SendToClients();
//update form
parentForm.lblRPIEndPoint.Text = LatestRPI.Ipep;
parentForm.lblRPILastCom.Text = LatestRPI.InfoTime;
parentForm.pcbCarState.Image = LatestRPI.CarState == "ON" ? SocketsExchangeService.Properties.Resources.Car_On : SocketsExchangeService.Properties.Resources.Car_Off;
//Log the transaction, MEH probably shouldn't log every ACK_Status from the RPI. updating the com time is fine
//parentForm.txtTraffic.Invoke((MethodInvoker)(() => parentForm.txtTraffic.Text = ">> " + now + " - " + "(RPI -> RemConClients)" + " ~~Contents: " + msg + Environment.NewLine + parentForm.txtTraffic.Text));
}
else
{
}
}
}
