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ecs-1141: fixed null ref in TCP/Secure TCP server StopListening()

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This commit is contained in:
Heath Volmer
2019-08-16 09:30:36 -06:00
parent c1b5cfe193
commit 20f7265fdb
3 changed files with 48 additions and 56 deletions
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62
Pepperdash Core/Pepperdash Core/Comm/GenericSecureTcpIpServer.cs
View File

@@ -441,25 +441,21 @@ namespace PepperDash.Core
/// </summary>
public void StopListening()
{
try
{
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Stopping Listener");
if (SecureServer != null)
{
SecureServer.Stop();
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Server State: {0}", SecureServer.State);
//SecureServer = null;
}
ServerStopped = true;
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Server Stopped");
OnServerStateChange(SecureServer.State);
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error stopping server. Error: {0}", ex);
}
try
{
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Stopping Listener");
if (SecureServer != null)
{
SecureServer.Stop();
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Server State: {0}", SecureServer.State);
OnServerStateChange(SecureServer.State);
}
ServerStopped = true;
}
catch (Exception ex)
{
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error stopping server. Error: {0}", ex);
}
}
/// <summary>
@@ -471,11 +467,11 @@ namespace PepperDash.Core
try
{
SecureServer.Disconnect(client);
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Disconnected client index: {0}", client);
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Disconnected client index: {0}", client);
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error Disconnecting client index: {0}. Error: {1}", client, ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error Disconnecting client index: {0}. Error: {1}", client, ex);
}
}
/// <summary>
@@ -495,17 +491,17 @@ namespace PepperDash.Core
try
{
SecureServer.Disconnect(i);
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Disconnected client index: {0}", i);
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Disconnected client index: {0}", i);
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error Disconnecting client index: {0}. Error: {1}", i, ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error Disconnecting client index: {0}. Error: {1}", i, ex);
}
}
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Server Status: {0}", SecureServer.ServerSocketStatus);
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Server Status: {0}", SecureServer.ServerSocketStatus);
}
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Disconnected All Clients");
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Disconnected All Clients");
ConnectedClientsIndexes.Clear();
if (!ProgramIsStopping)
@@ -536,7 +532,7 @@ namespace PepperDash.Core
{
SocketErrorCodes error = SecureServer.SendDataAsync(i, b, b.Length, (x, y, z) => { });
if (error != SocketErrorCodes.SOCKET_OK && error != SocketErrorCodes.SOCKET_OPERATION_PENDING)
Debug.Console(0, error.ToString());
Debug.Console(2, error.ToString());
}
}
}
@@ -567,7 +563,7 @@ namespace PepperDash.Core
}
catch (Exception ex)
{
Debug.Console(0, this, "Error sending text to client. Text: {1}. Error: {0}", ex.Message, text);
Debug.Console(2, this, "Error sending text to client. Text: {1}. Error: {0}", ex.Message, text);
}
}
@@ -701,7 +697,7 @@ namespace PepperDash.Core
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error in Socket Status Change Callback. Error: {0}", ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error in Socket Status Change Callback. Error: {0}", ex);
}
//Use a thread for this event so that the server state updates to listening while this event is processed. Listening must be added to the server state
//after every client connection so that the server can check and see if it is at max clients. Due to this the event fires and server listening enum bit flag
@@ -770,7 +766,7 @@ namespace PepperDash.Core
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error in Socket Status Connect Callback. Error: {0}", ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error in Socket Status Connect Callback. Error: {0}", ex);
}
//Debug.Console(1, this, Debug.ErrorLogLevel, "((((((Server State bitfield={0}; maxclient={1}; ServerStopped={2}))))))",
// server.State,
@@ -834,7 +830,7 @@ namespace PepperDash.Core
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error Receiving data: {0}. Error: {1}", received, ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error Receiving data: {0}. Error: {1}", received, ex);
}
if (mySecureTCPServer.GetServerSocketStatusForSpecificClient(clientIndex) == SocketStatus.SOCKET_STATUS_CONNECTED)
mySecureTCPServer.ReceiveDataAsync(clientIndex, SecureReceivedDataAsyncCallback);
@@ -874,7 +870,7 @@ namespace PepperDash.Core
}
catch (Exception e)
{
Debug.Console(0, "DequeueEvent error: {0}\r", e);
Debug.Console(2, "DequeueEvent error: {0}\r", e);
}
// Make sure to leave the CCritical section in case an exception above stops this thread, or we won't be able to restart it.
if (DequeueLock != null)
@@ -1040,13 +1036,13 @@ namespace PepperDash.Core
StopMonitorClient();
if (MonitorClientFailureCount < MonitorClientMaxFailureCount)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Warning, "Monitor client connection has hung {0} time{1}, maximum {2}",
Debug.Console(2, this, Debug.ErrorLogLevel.Warning, "Monitor client connection has hung {0} time{1}, maximum {2}",
MonitorClientFailureCount, MonitorClientFailureCount > 1 ? "s" : "", MonitorClientMaxFailureCount);
StartMonitorClient();
}
else
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error,
Debug.Console(2, this, Debug.ErrorLogLevel.Error,
"\r***************************\rMonitor client connection has hung a maximum of {0} times. \r***************************",
MonitorClientMaxFailureCount);

40
Pepperdash Core/Pepperdash Core/Comm/GenericTcpIpServer.cs
View File

@@ -422,22 +422,18 @@ namespace PepperDash.Core
{
try
{
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Stopping Listener");
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Stopping Listener");
if (myTcpServer != null)
{
myTcpServer.Stop();
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Server State: {0}", myTcpServer.State);
//SecureServer = null;
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Server State: {0}", myTcpServer.State);
OnServerStateChange(myTcpServer.State);
}
ServerStopped = true;
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Server Stopped");
OnServerStateChange(myTcpServer.State);
ServerStopped = true;
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error stopping server. Error: {0}", ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error stopping server. Error: {0}", ex);
}
}
@@ -450,11 +446,11 @@ namespace PepperDash.Core
try
{
myTcpServer.Disconnect(client);
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Disconnected client index: {0}", client);
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Disconnected client index: {0}", client);
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error Disconnecting client index: {0}. Error: {1}", client, ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error Disconnecting client index: {0}. Error: {1}", client, ex);
}
}
/// <summary>
@@ -474,17 +470,17 @@ namespace PepperDash.Core
try
{
myTcpServer.Disconnect(i);
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Disconnected client index: {0}", i);
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Disconnected client index: {0}", i);
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error Disconnecting client index: {0}. Error: {1}", i, ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error Disconnecting client index: {0}. Error: {1}", i, ex);
}
}
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Server Status: {0}", myTcpServer.ServerSocketStatus);
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Server Status: {0}", myTcpServer.ServerSocketStatus);
}
Debug.Console(0, this, Debug.ErrorLogLevel.Notice, "Disconnected All Clients");
Debug.Console(2, this, Debug.ErrorLogLevel.Notice, "Disconnected All Clients");
ConnectedClientsIndexes.Clear();
if (!ProgramIsStopping)
@@ -515,7 +511,7 @@ namespace PepperDash.Core
{
SocketErrorCodes error = myTcpServer.SendDataAsync(i, b, b.Length, (x, y, z) => { });
if (error != SocketErrorCodes.SOCKET_OK && error != SocketErrorCodes.SOCKET_OPERATION_PENDING)
Debug.Console(0, error.ToString());
Debug.Console(2, error.ToString());
}
}
}
@@ -546,7 +542,7 @@ namespace PepperDash.Core
}
catch (Exception ex)
{
Debug.Console(0, this, "Error sending text to client. Text: {1}. Error: {0}", ex.Message, text);
Debug.Console(2, this, "Error sending text to client. Text: {1}. Error: {0}", ex.Message, text);
}
}
@@ -680,7 +676,7 @@ namespace PepperDash.Core
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error in Socket Status Change Callback. Error: {0}", ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error in Socket Status Change Callback. Error: {0}", ex);
}
onConnectionChange(clientIndex, server.GetServerSocketStatusForSpecificClient(clientIndex));
}
@@ -746,7 +742,7 @@ namespace PepperDash.Core
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error in Socket Status Connect Callback. Error: {0}", ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error in Socket Status Connect Callback. Error: {0}", ex);
}
//Debug.Console(1, this, Debug.ErrorLogLevel, "((((((Server State bitfield={0}; maxclient={1}; ServerStopped={2}))))))",
// server.State,
@@ -803,7 +799,7 @@ namespace PepperDash.Core
}
catch (Exception ex)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error, "Error Receiving data: {0}. Error: {1}", received, ex);
Debug.Console(2, this, Debug.ErrorLogLevel.Error, "Error Receiving data: {0}. Error: {1}", received, ex);
}
if (myTCPServer.GetServerSocketStatusForSpecificClient(clientIndex) == SocketStatus.SOCKET_STATUS_CONNECTED)
myTCPServer.ReceiveDataAsync(clientIndex, TcpServerReceivedDataAsyncCallback);
@@ -973,13 +969,13 @@ namespace PepperDash.Core
StopMonitorClient();
if (MonitorClientFailureCount < MonitorClientMaxFailureCount)
{
Debug.Console(0, this, Debug.ErrorLogLevel.Warning, "Monitor client connection has hung {0} time{1}, maximum {2}",
Debug.Console(2, this, Debug.ErrorLogLevel.Warning, "Monitor client connection has hung {0} time{1}, maximum {2}",
MonitorClientFailureCount, MonitorClientFailureCount > 1 ? "s" : "", MonitorClientMaxFailureCount);
StartMonitorClient();
}
else
{
Debug.Console(0, this, Debug.ErrorLogLevel.Error,
Debug.Console(2, this, Debug.ErrorLogLevel.Error,
"\r***************************\rMonitor client connection has hung a maximum of {0} times.\r***************************",
MonitorClientMaxFailureCount);

2
Pepperdash Core/Pepperdash Core/Properties/AssemblyInfo.cs
View File

@@ -4,4 +4,4 @@
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("Pepperdash_Core")]
[assembly: AssemblyCopyright("Copyright © PepperDash 2019")]
[assembly: AssemblyVersion("1.0.22.*")]
[assembly: AssemblyVersion("1.0.23.*")]