private void SendMessageOfClientDisconnect(int clientId)
{
try
{
PACKET_DATA xdata = new PACKET_DATA();
xdata.Packet_Type = (UInt16)PACKETTYPES.TYPE_ClientDisconnecting;
xdata.Data_Type = 0;
xdata.Packet_Size = (UInt16)Marshal.SizeOf(typeof(PACKET_DATA));
xdata.maskTo = 0;
xdata.idTo = 0;
xdata.idFrom = (UInt32)clientId;
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
svr.SendMessage(byData);
}
catch { }
}
private void TellServerImDisconnecting()
{
try
{
PACKET_DATA xdata = new PACKET_DATA();
xdata.Packet_Type = (UInt16)PACKETTYPES.TYPE_Close;
xdata.Data_Type = 0;
xdata.Packet_Size = 16;
xdata.maskTo = 0;
xdata.idTo = 0;
xdata.idFrom = 0;
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
}
catch (Exception ex)
{
Log.Message(ex.ToString());
}
}
private void ReplyToHostPing(byte[] message)
{
try
{
PACKET_DATA IncomingData = new PACKET_DATA();
IncomingData = (PACKET_DATA)PACKET_FUNCTIONS.ByteArrayToStructure(message, typeof(PACKET_DATA));
/****************************************************************************************/
//calculate how long that ping took to get here
TimeSpan ts = (new DateTime(IncomingData.DataLong1)) - (new DateTime(ServerTime));
Console.WriteLine($"{GeneralFunction.GetDateTimeFormatted}: {string.Format("Ping From Server to client: {0:0.##}ms", ts.TotalMilliseconds)}");
/****************************************************************************************/
ServerTime = IncomingData.DataLong1;// Server computer's current time!
PACKET_DATA xdata = new PACKET_DATA();
xdata.Packet_Type = (UInt16)PACKETTYPES.TYPE_PingResponse;
xdata.Data_Type = 0;
xdata.Packet_Size = 16;
xdata.maskTo = 0;
xdata.idTo = 0;
xdata.idFrom = 0;
xdata.DataLong1 = IncomingData.DataLong1;
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
CheckThisComputersTimeAgainstServerTime();
}
catch (Exception ex)
{
string exceptionMessage = (ex.InnerException != null) ? ex.InnerException.Message : ex.Message;
Console.WriteLine($"EXCEPTION IN: ReplyToHostPing - {exceptionMessage}");
}
}
private void TellServerImDisconnecting()
{
try
{
PACKET_DATA xdata = new PACKET_DATA();
xdata.Packet_Type = (UInt16)PACKETTYPES.TYPE_Close;
xdata.Data_Type = 0;
xdata.Packet_Size = 16;
xdata.maskTo = 0;
xdata.idTo = 0;
xdata.idFrom = 0;
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
}
catch (Exception ex)
{
string exceptionMessage = (ex.InnerException != null) ? ex.InnerException.Message : ex.Message;
Console.WriteLine($"EXCEPTION IN: TellServerImDisconnecting - {exceptionMessage}");
}
}
private void RequestNewConnectionCredentials(int ClientID)
{
try
{
PACKET_DATA xdata = new PACKET_DATA();
xdata.Packet_Type = (UInt16)PACKETTYPES.TYPE_RequestCredentials;
xdata.Data_Type = 0;
xdata.Packet_Size = 16;
xdata.maskTo = 0;
xdata.idTo = (UInt16)ClientID;
xdata.idFrom = 0;
xdata.DataLong1 = DateTime.UtcNow.Ticks;
if (!svr.workerSockets.ContainsKey(ClientID))
{
return;
}
lock (svr.workerSockets)
{
//ship back their address for reference to the client
string clientAddr = ((IPEndPoint)svr.workerSockets[ClientID].UserSocket.RemoteEndPoint).Address.ToString();
clientAddr.CopyTo(0, xdata.szStringDataA, 0, clientAddr.Length);
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
if (svr.workerSockets[ClientID].UserSocket.Connected)
{
svr.SendMessage(ClientID, byData);
Debug.WriteLine(DateTime.Now.ToShortDateString() + ", " + DateTime.Now.ToLongTimeString() + " - from " + ClientID.ToString());
}
}
}
catch { }
}
public void ReplyToHostCredentialRequest(byte[] message)
{
if (client == null)
{
return;
}
Console.WriteLine($"ReplyToHostCredentialRequest ThreadID = {Thread.CurrentThread.ManagedThreadId}");
Int32 Loc = 0;
try
{
//We will assume to tell the host this is just an update of the
//credentials we first sent during the application start. This
//will be true if the 'message' argument is null, otherwise we
//will change the packet type below to the 'TYPE_MyCredentials'.
UInt16 PaketType = (UInt16)PACKETTYPES.TYPE_CredentialsUpdate;
if (message != null)
{
int myOldServerID = 0;
//The host server has past my ID.
PACKET_DATA IncomingData = new PACKET_DATA();
IncomingData = (PACKET_DATA)PACKET_FUNCTIONS.ByteArrayToStructure(message, typeof(PACKET_DATA));
Loc = 10;
if (MyHostServerID > 0)
{
myOldServerID = MyHostServerID;
}
Loc = 20;
MyHostServerID = (int)IncomingData.idTo;//Hang onto this value
Loc = 25;
Console.WriteLine($"My Host Server ID is {MyHostServerID}");
string MyAddressAsSeenByTheHost = new string(IncomingData.szStringDataA).TrimEnd('\0');//My computer address
SetSomeLabelInfoFromThread($"My Address As Seen By The Server: {MyAddressAsSeenByTheHost}, and my ID given by the server is: {MyHostServerID}");
ServerTime = IncomingData.DataLong1;
PaketType = (UInt16)PACKETTYPES.TYPE_MyCredentials;
}
//ods.DebugOut("Send Host Server some info about myself");
PACKET_DATA xdata = new PACKET_DATA();
xdata.Packet_Type = PaketType;
xdata.Data_Type = 0;
xdata.Packet_Size = (UInt16)Marshal.SizeOf(typeof(PACKET_DATA));
xdata.maskTo = 0;
xdata.idTo = 0;
xdata.idFrom = 0;
//Station Name
string p = System.Environment.MachineName;
if (p.Length > (xdata.szStringDataA.Length - 1))
{
p.CopyTo(0, xdata.szStringDataA, 0, (xdata.szStringDataA.Length - 1));
}
else
{
p.CopyTo(0, xdata.szStringDataA, 0, p.Length);
}
xdata.szStringDataA[(xdata.szStringDataA.Length - 1)] = '\0';//cap it off just incase
//App and DLL Version
string VersionNumber = string.Empty;
VersionNumber = Assembly.GetEntryAssembly().GetName().Version.Major.ToString() + "." +
Assembly.GetEntryAssembly().GetName().Version.Minor.ToString() + "." +
Assembly.GetEntryAssembly().GetName().Version.Build.ToString();
Loc = 30;
VersionNumber.CopyTo(0, xdata.szStringDataB, 0, VersionNumber.Length);
Loc = 40;
//Station Name
string L = textBoxClientName.Text;
if (L.Length > (xdata.szStringData150.Length - 1))
{
L.CopyTo(0, xdata.szStringData150, 0, (xdata.szStringData150.Length - 1));
}
else
{
L.CopyTo(0, xdata.szStringData150, 0, L.Length);
}
xdata.szStringData150[(xdata.szStringData150.Length - 1)] = '\0';//cap it off just incase
Loc = 50;
//Application type
xdata.nAppLevel = (UInt16)APPLEVEL.None;
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
Loc = 60;
SendMessageToServer(byData);
Loc = 70;
}
catch (Exception ex)
{
string exceptionMessage = (ex.InnerException != null) ? ex.InnerException.Message : ex.Message;
Console.WriteLine($"EXCEPTION at location {Loc}, IN: ReplyToHostCredentialRequest - {exceptionMessage}");
}
}
private void buttonSendDataToServer_Click(object sender, EventArgs e)
{
PACKET_DATA xdata = new PACKET_DATA();
/****************************************************************/
//prepair the start packet
xdata.Packet_Type = (UInt16)PACKETTYPES.TYPE_Message;
xdata.Data_Type = (UInt16)PACKETTYPES_SUBMESSAGE.SUBMSG_MessageStart;
xdata.Packet_Size = 16;
xdata.maskTo = 0;
xdata.idTo = 0;
xdata.idFrom = 0;
int pos = 0;
int chunkSize = xdata.szStringDataA.Length;//300 bytes
int chunkSize1 = xdata.szStringDataB.Length;
if (textBoxText.Text.Length <= xdata.szStringDataA.Length)
{
textBoxText.Text.CopyTo(0, xdata.szStringDataA, 0, textBoxText.Text.Length);
chunkSize = textBoxText.Text.Length;
}
else
{
textBoxText.Text.CopyTo(0, xdata.szStringDataA, 0, xdata.szStringDataA.Length);
}
string ClientName = textBoxClientName.Text;
if (ChatRoom != 0)
{
ClientName += "[P]";
}
if (textBoxClientName.Text.Length <= xdata.szStringDataB.Length)
{
ClientName.CopyTo(0, xdata.szStringDataB, 0, ClientName.Length);
chunkSize1 = ClientName.Length;
}
else
{
ClientName.CopyTo(0, xdata.szStringDataB, 0, xdata.szStringDataB.Length);
}
xdata.Data1 = (UInt32)chunkSize;
xdata.Data2 = (UInt32)chunkSize1;
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
/**************************************************/
//Send the message body(if there is any)
xdata.Data_Type = (UInt16)PACKETTYPES_SUBMESSAGE.SUBMSG_MessageGuts;
pos = chunkSize;//set positionf
while (true)
{
int PosFromEnd = textBoxText.Text.Length - pos;
if (PosFromEnd <= 0)
{
break;
}
Array.Clear(xdata.szStringDataA, 0, xdata.szStringDataA.Length);//Clear this field before putting more data in it
if (PosFromEnd < xdata.szStringDataA.Length)
{
chunkSize = textBoxText.Text.Length - pos;
}
else
{
chunkSize = xdata.szStringDataA.Length;
}
textBoxText.Text.CopyTo(pos, xdata.szStringDataA, 0, chunkSize);
xdata.Data1 = (UInt32)chunkSize;
pos += chunkSize;//set new position
byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
}
/**************************************************/
//Send an EndMessage
xdata.Data_Type = (UInt16)PACKETTYPES_SUBMESSAGE.SUBMSG_MessageEnd;
xdata.Data1 = (UInt32)pos;//send the total which should be the 'pos' value
byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
textBoxText.Text = "";
}
private void buttonSendDataToServer_Click(object sender, EventArgs e)
{
pictureBox1.Image = imageListStatusLights.Images["BLUE"];
PACKET_DATA xdata = new PACKET_DATA();
/****************************************************************/
//prepair the start packet
xdata.Packet_Type = (UInt16)PACKETTYPES.TYPE_Message;
xdata.Data_Type = (UInt16)PACKETTYPES_SUBMESSAGE.SUBMSG_MessageStart;
xdata.Packet_Size = 16;
xdata.maskTo = 0;
xdata.idTo = 0;
xdata.idFrom = 0;
//Before we send the text, lets stuff those Number values in the first data packet!
Int32 num1 = 0;
Int32.TryParse(textBoxNum1.Text, out num1);
xdata.Data16 = num1;
Int32 num2 = 0;
Int32.TryParse(textBoxNum2.Text, out num2);
xdata.Data17 = num2;
int pos = 0;
int chunkSize = xdata.szStringDataA.Length;//300 bytes
if (textBoxText.Text.Length <= xdata.szStringDataA.Length)
{
textBoxText.Text.CopyTo(0, xdata.szStringDataA, 0, textBoxText.Text.Length);
chunkSize = textBoxText.Text.Length;
}
else
textBoxText.Text.CopyTo(0, xdata.szStringDataA, 0, xdata.szStringDataA.Length);
xdata.Data1 = (UInt32)chunkSize;
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
/**************************************************/
//Send the message body(if there is any)
xdata.Data_Type = (UInt16)PACKETTYPES_SUBMESSAGE.SUBMSG_MessageGuts;
pos = chunkSize;//set position
while (true)
{
int PosFromEnd = textBoxText.Text.Length - pos;
if (PosFromEnd <= 0)
break;
Array.Clear(xdata.szStringDataA, 0, xdata.szStringDataA.Length);//Clear this field before putting more data in it
if (PosFromEnd < xdata.szStringDataA.Length)
chunkSize = textBoxText.Text.Length - pos;
else
chunkSize = xdata.szStringDataA.Length;
textBoxText.Text.CopyTo(pos, xdata.szStringDataA, 0, chunkSize);
xdata.Data1 = (UInt32)chunkSize;
pos += chunkSize;//set new position
byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
}
/**************************************************/
//Send an EndMessage
xdata.Data_Type = (UInt16)PACKETTYPES_SUBMESSAGE.SUBMSG_MessageEnd;
xdata.Data1 = (UInt32)pos;//send the total which should be the 'pos' value
byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
}
private void ReplyToHostCredentialRequest(byte[] message)
{
if (client == null)
{
return;
}
try
{
UInt16 PaketType = (UInt16)PACKETTYPES.TYPE_CredentialsUpdate;
if (message != null)
{
int myOldServerID = 0;
PACKET_DATA IncomingData = new PACKET_DATA();
IncomingData = (PACKET_DATA)PACKET_FUNCTIONS.ByteArrayToStructure(message, typeof(PACKET_DATA));
if (MyHostServerID > 0)
{
myOldServerID = MyHostServerID;
}
MyHostServerID = (int)IncomingData.idTo;
Log.Message($"My Host Server ID is {MyHostServerID}");
string MyAddressAsSeenByTheHost = new string(IncomingData.szStringDataA).TrimEnd('\0');
ServerTime = IncomingData.DataLong1;
PaketType = (UInt16)PACKETTYPES.TYPE_MyCredentials;
}
PACKET_DATA xdata = new PACKET_DATA();
xdata.Packet_Type = PaketType;
xdata.Data_Type = 0;
xdata.Packet_Size = (UInt16)Marshal.SizeOf(typeof(PACKET_DATA));
xdata.maskTo = 0;
xdata.idTo = 0;
xdata.idFrom = 0;
string p = Environment.MachineName;
if (p.Length > (xdata.szStringDataA.Length - 1))
{
p.CopyTo(0, xdata.szStringDataA, 0, (xdata.szStringDataA.Length - 1));
}
else
{
p.CopyTo(0, xdata.szStringDataA, 0, p.Length);
}
xdata.szStringDataA[(xdata.szStringDataA.Length - 1)] = '\0';
string VersionNumber = string.Empty;
VersionNumber = Assembly.GetEntryAssembly().GetName().Version.Major.ToString() + "." +
Assembly.GetEntryAssembly().GetName().Version.Minor.ToString() + "." +
Assembly.GetEntryAssembly().GetName().Version.Build.ToString();
VersionNumber.CopyTo(0, xdata.szStringDataB, 0, VersionNumber.Length);
if (room != null)
{
room.CopyTo(0, xdata.szStringDataC, 0, room.Length);
}
string L = user;
if (L.Length > (xdata.szStringData150.Length - 1))
{
L.CopyTo(0, xdata.szStringData150, 0, (xdata.szStringData150.Length - 1));
}
else
{
L.CopyTo(0, xdata.szStringData150, 0, L.Length);
}
xdata.szStringData150[(xdata.szStringData150.Length - 1)] = '\0';
xdata.nAppLevel = (UInt16)APPLEVEL.None;
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
SendMessageToServer(byData);
}
catch (Exception ex)
{
Log.Message(ex.ToString());
}
}
private void AssembleMessage(int clientID, byte[] message)
{
try
{
PACKET_DATA IncomingData = new PACKET_DATA();
IncomingData = (PACKET_DATA)PACKET_FUNCTIONS.ByteArrayToStructure(message, typeof(PACKET_DATA));
switch (IncomingData.Data_Type)
{
case (UInt16)PACKETTYPES_SUBMESSAGE.SUBMSG_MessageStart:
{
if (svr.workerSockets.ContainsKey(clientID))
{
OnCommunications(
$"Client '{svr.workerSockets[clientID].szClientName}' color={IncomingData.Data16} message={new string(IncomingData.szStringDataA).TrimEnd('\0')}",
INK.CLR_BLUE);
}
}
break;
case (UInt16)PACKETTYPES_SUBMESSAGE.SUBMSG_MessageGuts:
{
//sb.Append(new string(IncomingData.szStringDataA).TrimEnd('\0'));
OnCommunications(new string(IncomingData.szStringDataA).TrimEnd('\0'), INK.CLR_GREEN);
}
break;
case (UInt16)PACKETTYPES_SUBMESSAGE.SUBMSG_MessageEnd:
{
/****************************************************************/
//Now tell the client teh message was received!
PACKET_DATA xdata = new PACKET_DATA();
xdata.Packet_Type = (UInt16)PACKETTYPES.TYPE_MessageReceived;
byte[] byData = PACKET_FUNCTIONS.StructureToByteArray(xdata);
svr.SendMessage(clientID, byData);
var msg = new string(IncomingData.szStringDataA).TrimEnd('\0');
var user = new string(IncomingData.szStringData150).TrimEnd('\0');
var room = new string(IncomingData.szStringDataC).TrimEnd('\0');
if (msg.Trim() == "" || room.Trim() == "")
{
break;
}
PACKET_DATA xdata2 = new PACKET_DATA();
xdata2.Packet_Type = (UInt16)PACKETTYPES.TYPE_Message;
xdata2.Data16 = IncomingData.Data16;
xdata2.szStringDataA = IncomingData.szStringDataA;
xdata2.szStringData150 = IncomingData.szStringData150;
byte[] byData2 = PACKET_FUNCTIONS.StructureToByteArray(xdata2);
svr.SendMessageToAllClients(byData2, room);
}
break;
}
}
catch
{
Console.WriteLine("ERROR Assembling message");
}
}