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Code cleanup

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This commit is contained in:
szporowolik
2019-10-20 14:26:38 +02:00
parent ceec3a7616
commit 732f8b5fce
1 changed files with 43 additions and 47 deletions
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90
02_Windows_App/Perun_v1/01_Classes/TCPController.cs
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@@ -5,49 +5,49 @@ using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Windows.Forms;
public class TCPController
{
// Main class for TCP listener
public int intListenPort; // Port to connect to
public bool bDone; // Helper to exit main loop without killing thread
public string[] arrLogHistory; // Log history for GUI
public string[] arrSendBuffer; // Mysql send buffer
public Thread thrTCPListener; // Seperate thread for TCP
public bool bStatus; // TCP connecion status
public int intListenPort; // Port to connect to
public bool bCloseConnection; // Helper to exit main loop without killing thread
public string[] arrGUILogHistory; // Log history for GUI
public string[] arrMySQLSendBuffer; // MySQL send buffer
public Thread thrTCPListener; // Seperate thread for TCP
public void Create(int par_intListenPort, ref string[] par_arrLogHistory, ref string[] par_arrSendBuffer)
{
// Create class
// Create class and map creation arguments to class
intListenPort = par_intListenPort;
arrLogHistory = par_arrLogHistory;
arrSendBuffer = par_arrSendBuffer;
bDone = false;
bStatus = false;
arrGUILogHistory = par_arrLogHistory;
arrMySQLSendBuffer = par_arrSendBuffer;
bCloseConnection = false;
}
public void StopListen()
{
// Finish listening
bDone = true;
bStatus = false;
// Stop listening
bCloseConnection = true;
for (int i = 0; i < arrSendBuffer.Length - 1; i++)
// Clear send buffer
for (int i = 0; i < arrMySQLSendBuffer.Length - 1; i++)
{
arrSendBuffer[i] = null;
arrMySQLSendBuffer[i] = null;
}
}
public void StartListen()
{
NetworkStream ns=null;
// Start listening
NetworkStream nsReadStream=null;
TcpClient tcpClient=null;
bool bTCPConnectionOnline = false;
while (!bDone)
// Main loop - do until diconnect button is clicked
while (!bCloseConnection)
{
Console.WriteLine("TCP Listen start");
TcpListener tcpServer = new TcpListener(IPAddress.Any, intListenPort); ; // Listener object
TcpListener tcpServer = new TcpListener(IPAddress.Any, intListenPort); ; // Create listener object
try
{
@@ -56,29 +56,31 @@ public class TCPController
// Start the main loop
tcpServer.Start();
bStatus = true;
while (!bDone)
// While user do not clicked Disconnect button
while (!bCloseConnection)
{
// Start listening
Console.WriteLine("TCP: Waiting for connection");
Globals.bClientConnected = false;
// Wait for pending connection
if (tcpServer.Pending())
{
Console.WriteLine("TCP: Connected");
bTCPConnectionOnline = true;
tcpClient = tcpServer.AcceptTcpClient(); //if a connection exists, the server will accept it
ns = tcpClient.GetStream(); //networkstream is used to send/receive messages
ns.ReadTimeout = 6000;
nsReadStream = tcpClient.GetStream(); //networkstream is used to send/receive messages
nsReadStream.ReadTimeout = 6000;
tcpClient.ReceiveTimeout = 6000;
while (tcpClient.Connected && !bDone && bTCPConnectionOnline) //while the client is connected, we look for incoming messages
while (tcpClient.Connected && !bCloseConnection && bTCPConnectionOnline) //while the client is connected, we look for incoming messages
{
StringBuilder CompleteMessage = new StringBuilder();
Globals.bClientConnected = true;
if (ns.CanRead)
if (nsReadStream.CanRead)
{
Console.WriteLine("TCP: Can read");
byte[] ReadBuffer = new byte[1024];
@@ -89,14 +91,14 @@ public class TCPController
do
{
Console.WriteLine("TCP: Read");
numberOfBytesRead = ns.Read(ReadBuffer, 0, ReadBuffer.Length);
numberOfBytesRead = nsReadStream.Read(ReadBuffer, 0, ReadBuffer.Length);
CompleteMessage.AppendFormat("{0}", Encoding.ASCII.GetString(ReadBuffer, 0, numberOfBytesRead));
if (numberOfBytesRead == 0)
{
break;
}
}
while (ns.DataAvailable && ns.CanRead && tcpClient.Connected);
while (nsReadStream.DataAvailable && nsReadStream.CanRead && tcpClient.Connected);
}
strReceivedData = CompleteMessage.ToString();
Console.WriteLine("Sender: {0} Payload: {1}", null, strReceivedData);
@@ -108,16 +110,16 @@ public class TCPController
dynamic dynamicRawTCPFrame = JsonConvert.DeserializeObject(strReceivedData); // Deserialize received frame
string strRawTCPFrameType = dynamicRawTCPFrame.type;
PerunHelper.LogHistoryAdd(ref arrLogHistory, "#" + Globals.intInstanceId + "> TCP packet received, type: " + strRawTCPFrameType);
PerunHelper.LogHistoryAdd(ref arrGUILogHistory, "#" + Globals.intInstanceId + "> TCP packet received, type: " + strRawTCPFrameType);
// Add to mySQL send buffer (find first empty slot)
if (Int32.Parse(strRawTCPFrameType) != 0)
{
for (int i = 0; i < arrSendBuffer.Length - 1; i++)
for (int i = 0; i < arrMySQLSendBuffer.Length - 1; i++)
{
if (arrSendBuffer[i] == null)
if (arrMySQLSendBuffer[i] == null)
{
arrSendBuffer[i] = strReceivedData;
arrMySQLSendBuffer[i] = strReceivedData;
break;
}
}
@@ -131,7 +133,7 @@ public class TCPController
{
Globals.intGameErros++;
Console.WriteLine(e.ToString());
PerunHelper.LogHistoryAdd(ref arrLogHistory, "#" + Globals.intInstanceId + " > TCP ERROR incorrect JSON > " + e.Message);
PerunHelper.LogHistoryAdd(ref arrGUILogHistory, "#" + Globals.intInstanceId + " > TCP ERROR incorrect JSON > " + e.Message);
bTCPConnectionOnline = false;
}
}
@@ -139,25 +141,20 @@ public class TCPController
System.Threading.Thread.Sleep(500);
}
tcpServer.Stop();
bStatus = false;
}
catch (Exception e)
{
// General exception found
//if (e.HResult != -2147467259)
//{
Globals.intGameErros++;
Console.WriteLine(e.ToString());
PerunHelper.LogHistoryAdd(ref arrLogHistory, "#" + Globals.intInstanceId + " > TCP error - connection closed or port in use > " + e.Message);
bTCPConnectionOnline = false;
//}
Globals.intGameErros++;
Console.WriteLine(e.ToString());
PerunHelper.LogHistoryAdd(ref arrGUILogHistory, "#" + Globals.intInstanceId + " > TCP error - connection closed or port in use > " + e.Message);
bTCPConnectionOnline = false;
}
if (!(ns is null))
// Clean up and prepare for next connection
if (!(nsReadStream is null))
{
ns.Flush();
ns.Close();
nsReadStream.Flush();
nsReadStream.Close();
}
if (!(tcpClient is null))
{
@@ -167,7 +164,6 @@ public class TCPController
{
tcpServer.Stop();
}
bStatus = false;
Console.WriteLine("TCP listen stop");
}
}