public void ProcessCommInitPacket(PacketClass PacketObj, IPAddress Ipaddr)
{
/* Communication Init Packet */
bool IsDeviceExists = false;
long ParamDeviceId = Convert.ToInt64(PacketObj.DeviceId); // Converting Byte[] Array to Long
for (int i = 0; i <= Devices_Buffer.Count - 1; i++)
{
if (Devices_Buffer[i].DeviceId.Equals(ParamDeviceId))
{
IsDeviceExists = true; /* Comm had failed and it is trying with the new IP. */
/* Check IsConnected */
if (Devices_Buffer[i].IsConnected) // Because Connection_Checking Method still not Removed Old Socket
{
RemoveSocketByusingIP(Devices_Buffer[i].Ipaddr);
}
SocketClass Socketobj = FindSocketbyusingIp(Ipaddr); // To Find the Socket by using new IP Address
if (Socketobj != null)
{
Devices_Buffer[i].IsConnected = true;
Devices_Buffer[i].LastActivetime = DateTime.Now;
Devices_Buffer[i].Ipaddr = Socketobj.IpAddr; // New Ip Address
Devices_Buffer[i].ClientObj = Socketobj.Clientobj; // New Socket
}
/* Frame Ack for Communication Initialization Packet */
byte[] CommAckdata = FrameCommunicationAck(PacketObj);
SendDatatoClient(CommAckdata, Devices_Buffer[i].ClientObj); // Device is Re Connected with new Ip Address
break;
}
}
if (!IsDeviceExists) // If No Device Exists
{
DeviceInfo Device = new DeviceInfo();
Device.DeviceId = ParamDeviceId; // It is Dummy
Device.IsConnected = true;
Device.LastActivetime = DateTime.Now;
SocketClass Socketobj = FindSocketbyusingIp(Ipaddr); // To Find the Socket by using new IP Address
Device.Ipaddr = Socketobj.IpAddr;
Device.ClientObj = Socketobj.Clientobj;
Devices_Buffer.Add(Device); // Adding New Device to the Devices_buff
/* Frame Ack for Communication Initialization Packet */
byte[] CommAckdata = FrameCommunicationAck(PacketObj);
SendDatatoClient(CommAckdata, Device.ClientObj); // Device is New & Sending Bytes to the Client (Device ).
}
}
public void ListenforClients()
{
TcpServer.Start(); // To Start The TCP Server
while (true)
{
try
{
TcpClient Client = TcpServer.AcceptTcpClient();
IPEndPoint Endpoint = Client.Client.RemoteEndPoint as IPEndPoint;
IPAddress Ip_addr = Endpoint.Address;
bool IsIp_exists = false;
for (int i = 0; i <= Sockets_arr.Count - 1; i++)
{
if (Sockets_arr[i].IpAddr.Equals(Ip_addr)) // If Ip Already Exists
{
IsIp_exists = true;
break;
}
}
if (!(IsIp_exists)) //New Client so need to process It.
{
SocketClass Socketobj = new SocketClass();
Socketobj.IpAddr = Ip_addr;
Socketobj.Clientobj = Client;
Sockets_arr.Add(Socketobj); // Add New Socket
Client_thread = new Thread(new ParameterizedThreadStart(HandleComm));
Client_thread.Start(Client); // To Start the Thread
}
else /* Existed Tcp Client & trying to update the TCp Cient Whether with Same Ipaddress Tcp Client will try or not */
{
}
}
catch (Exception ex)
{
DateTime now_time = DateTime.Now;
string time = Convert.ToString(now_time);
if (ex != null)
{
Global.AppendTexttoFile(Global.exception_filepath, "Exception Ocuured While Listening For Clients: " + ex.Message + time); // Logging the Execptions Ocuured
}
}
}
}
public void ProcessCommInitPacket(PacketClass PacketObj, IPAddress Ipaddr)
{
/* Communication Init Packet */
try
{
bool IsDeviceExists = false;
for (int i = 0; i <= Devices_Buffer.Count - 1; i++)
{
if (Devices_Buffer[i].DeviceId.SequenceEqual(PacketObj.DeviceId))
{
IsDeviceExists = true; /* Comm had failed and it is trying with the new IP. */
/* Check IsConnected */
if (Devices_Buffer[i].IsConnected) // Because Connection_Checking Method still not Removed Old Socket
{
RemoveSocketByusingIP(Devices_Buffer[i].Ipaddr);
}
SocketClass Socketobj = FindSocketbyusingIp(Ipaddr); // To Find the Socket by using new IP Address
if (Socketobj != null) // Socketobj will be null when same IP requests
{
Devices_Buffer[i].IsConnected = true;
Devices_Buffer[i].LastActivetime = DateTime.Now;
Devices_Buffer[i].Ipaddr = Socketobj.IpAddr; // New Ip Address
// Devices_Buffer[i].ClientStream.Close(); // To Close the Previous Network Stream bw Client & Server.
Devices_Buffer[i].ClientStream = Socketobj.Clientobj.GetStream(); // New Socket Stream
/* Frame Ack for Communication Initialization Packet */
byte[] CommAckdata = FrameCommunicationAck(PacketObj);
SendDatatoClient(CommAckdata, Devices_Buffer[i].ClientStream); // Device is Re Connected with new Ip Address
}
break;
}
}
if (!IsDeviceExists) // If No Device Exists
{
DeviceInfo Device = new DeviceInfo();
Device.DeviceId = new byte[PacketObj.DeviceId.Length]; // Need to Initialize the DeviceID array
PacketObj.DeviceId.CopyTo(Device.DeviceId, 0); // It is Dummy
Device.IsConnected = true;
Device.LastActivetime = DateTime.Now;
SocketClass Socketobj = FindSocketbyusingIp(Ipaddr); // To Find the Socket by using new IP Address
Device.Ipaddr = Socketobj.IpAddr;
Device.ClientStream = Socketobj.Clientobj.GetStream();
Devices_Buffer.Add(Device); // Adding New Device to the Devices_buff
/* Frame Ack for Communication Initialization Packet */
byte[] CommAckdata = FrameCommunicationAck(PacketObj);
// Don't know why DeviceID is getting reversed when i reverse the DeviceID in AckPacket
// Array.Reverse(Device.DeviceId);
SendDatatoClient(CommAckdata, Device.ClientStream); // Device is New & Sending Bytes to the Client (Device ).
}
}
catch (Exception ex)
{
DateTime now_time = DateTime.Now;
string time = Convert.ToString(now_time);
Global.AppendTexttoFile(Global.exception_filepath, "Exception Ocuured in ProcessCommInitPacket: " + ex.Message + time); // Logging the Execptions Ocuured
}
}