Move part connection and disconnection code into tqtrla library

2 files changed, 21 insertions, 152 deletions

diff --git a/clients/tde/src/part/fpgaview/part.cpp b/clients/tde/src/part/fpgaview/part.cpp
index 7ac5dbf..e833f98 100644
--- a/clients/tde/src/part/fpgaview/part.cpp
+++ b/clients/tde/src/part/fpgaview/part.cpp
@@ -563,12 +563,15 @@ K_EXPORT_COMPONENT_FACTORY(libremotelab_fpgaviewer, RemoteLab::Factory)
 #define LED_SIZE LED_BASE_SIZE,LED_BASE_SIZE
 
 FPGAViewPart::FPGAViewPart(TQWidget *parentWidget, const char *widgetName, TQObject *parent, const char *name, const TQStringList&)
-	: RemoteInstrumentPart( parent, name ), m_socket(0), m_base(0), connToServerConnecting(false), connToServerState(-1), connToServerTimeoutTimer(NULL), m_interfaceMode(BasicInterfaceMode),
+	: RemoteInstrumentPart( parent, name ), m_base(NULL), m_interfaceMode(BasicInterfaceMode),
 	m_commHandlerState(0), m_commHandlerMode(0), m_connectionActiveAndValid(false), m_tickerState(0), m_remoteInputModeEnabled(false), m_4bitInputValue(0), m_4bitOutputValue(0),
 	m_8bitInputValue(0), m_8bitOutputValue(0), m_16bitInputValue(0), m_16bitOutputValue(0), m_7segDigit3OutputValue(0xffffffff),
 	m_7segDigit2OutputValue(0xffffffff), m_7segDigit1OutputValue(0xffffffff), m_7segDigit0OutputValue(0xffffffff),
 	m_batchOutputFile(NULL), m_dataOutputFile(NULL)
 {
+	// Initialize important base class variables
+	m_clientLibraryName = CLIENT_LIBRARY;
+
 	// Initialize mutex
 	m_connectionMutex = new TQMutex(false);
 
@@ -991,153 +994,25 @@ bool FPGAViewPart::closeURL() {
 	return true;
 }
 
-void FPGAViewPart::disconnectFromServer() {
-	m_connectionTimer->stop();
+void FPGAViewPart::disconnectFromServerCallback() {
 	m_updateTimer->stop();
-	if (m_socket) {
-		m_socket->clearPendingData();
-		m_socket->close();
-		delete m_socket;
-		m_socket = NULL;
-	}
-	processLockouts();
 }
 
-void FPGAViewPart::finishConnectingToServer() {
-	if (!m_socket) {
-		connToServerState = -1;
-		connToServerConnecting = false;
-		processLockouts();
-		return;
-	}
-
-	if (connToServerConnecting) {
-		switch(connToServerState) {
-			case 0:
-				if (!connToServerTimeoutTimer) {
-					connToServerTimeoutTimer = new TQTimer;
-					connToServerTimeoutTimer->start(SERVER_TIMEOUT_MS, TRUE);
-				}
-				if ((m_socket->state() == TQSocket::Connecting) || (m_socket->state() == TQSocket::HostLookup)) {
-					if (!connToServerTimeoutTimer->isActive()) {
-						connToServerState = -3;
-						connToServerConnecting = false;
-						disconnectFromServer();
-						KMessageBox::error(0, i18n("<qt>Unable to establish connection to remote server</qt>"), i18n("Connection Failed"));
-					}
-				}
-				else {
-					if (m_socket->state() == TQSocket::Connected) {
-						printf("[DEBUG] Initial connection established...\n\r"); fflush(stdout);
-						m_socket->setDataTimeout(SERVER_TIMEOUT_MS);
-						m_socket->setUsingKerberos(true);
-						connToServerState = 1;
-					}
-					else {
-						connToServerState = -1;
-						connToServerConnecting = false;
-						disconnectFromServer();
-						KMessageBox::error(0, i18n("<qt>Unable to establish connection to remote server</qt>"), i18n("Connection Failed"));
-					}
-				}
-				break;
-			case 1:
-				if (m_socket->kerberosStatus() == TDEKerberosClientSocket::KerberosInitializing) {
-					// Do nothing
-				}
-				else {
-					if (m_socket->kerberosStatus() != TDEKerberosClientSocket::KerberosInUse) {
-						connToServerState = -1;
-						connToServerConnecting = false;
-						disconnectFromServer();
-						KMessageBox::error(0, i18n("<qt>Unable to establish Kerberos protocol with remote server<p>Please verify that you currently hold a valid Kerberos ticket</qt>"), i18n("Connection Failed"));
-					}
-					else {
-						connToServerState = 2;
-					}
-				}
-				break;
-			case 2:
-				// Connection established!
-				// Read magic number and proto version from server
-				m_socket->processPendingData();
-				if (m_socket->canReadFrame()) {
-					TQDataStream ds(m_socket);
-					ds.setPrintableData(true);
-					TQ_UINT32 magicnum;
-					TQ_UINT32 protover;
-					ds >> magicnum;
-					ds >> protover;
-					m_socket->clearFrameTail();
-					printf("[DEBUG] Got magic number %d and protocol version %d\n\r", magicnum, protover); fflush(stdout);
-
-					// Request connection to backend server
-					ds << TQString("SERV");
-					m_socket->writeEndOfFrame();
-					ds << TQString(CLIENT_LIBRARY);
-					m_socket->writeEndOfFrame();
-					connToServerState = 3;
-				}
-				break;
-			case 3:
-				// Read response from server
-				m_socket->processPendingData();
-				if (m_socket->bytesAvailable() > 0) {
-					TQDataStream ds(m_socket);
-					ds.setPrintableData(true);
-					TQString response;
-					ds >> response;
-					m_socket->clearFrameTail();
-printf("[RAJA DEBUG 400.0] Got '%s' from the server\n\r", response.ascii()); fflush(stdout);
-					if (response == "OK") {
-						connToServerState = 4;
-						connToServerConnecting = false;
-						connect(m_socket, SIGNAL(readyRead()), m_socket, SLOT(processPendingData()));
-						m_socket->processPendingData();
-						connect(m_socket, SIGNAL(newDataReceived()), this, SLOT(updateDisplay()));
-						m_tickerState = 0;
-						m_commHandlerState = 0;
-						m_commHandlerMode = 0;
-						m_updateTimer->start(FPGA_COMM_TIMEOUT_MS, FALSE);
-						processLockouts();
-						updateDisplay();
-						return;
-					}
-					else {
-						TQStringList errorStrings = textForServerError(response);
-						connToServerState = -1;
-						connToServerConnecting = false;
-						disconnectFromServer();
-						KMessageBox::error(0, errorStrings[0], errorStrings[1]);
-						close();
-						return;
-					}
-				}
-				break;
-		}
-
-		m_connectionTimer->start(100, TRUE);
-	}
+void FPGAViewPart::connectionFinishedCallback() {
+	connect(m_socket, SIGNAL(readyRead()), m_socket, SLOT(processPendingData()));
+	m_socket->processPendingData();
+	connect(m_socket, SIGNAL(newDataReceived()), this, SLOT(updateDisplay()));
+	m_tickerState = 0;
+	m_commHandlerState = 0;
+	m_commHandlerMode = 0;
+	m_updateTimer->start(FPGA_COMM_TIMEOUT_MS, FALSE);
+	processLockouts();
+	updateDisplay();
+	return;
 }
 
-int FPGAViewPart::connectToServer(TQString server) {
-	if (m_socket) {
-		return -1;
-	}
-	if (!m_socket) {
-		m_socket = new TDEKerberosClientSocket(this);
-		connect(m_socket, TQT_SIGNAL(statusMessageUpdated(const TQString&)), this, TQT_SLOT(setStatusMessage(const TQString&) ));
-	}
-	m_socket->setServiceName("remotefpga");
-	m_socket->setServerFQDN(server);
-	m_socket->connectToHost(server, 4004);
-
-	// Finish connecting when appropriate
-	connToServerState = 0;
-	connToServerConnecting = true;
-	m_connectionTimer->start(100, TRUE);
-
-	return 0;
+void FPGAViewPart::connectionStatusChangedCallback() {
+	processLockouts();
 }
 
 TQPtrList<KAction> FPGAViewPart::menuActionList() {
diff --git a/clients/tde/src/part/fpgaview/part.h b/clients/tde/src/part/fpgaview/part.h
index a0b0463..572cadc 100644
--- a/clients/tde/src/part/fpgaview/part.h
+++ b/clients/tde/src/part/fpgaview/part.h
@@ -147,7 +147,6 @@ namespace RemoteLab
 			virtual bool openFile() { return false; }	// pure virtual in the base class
 			virtual bool closeURL();
 			static KAboutData *createAboutData();
-			int connectToServer(TQString server);
 			virtual TQPtrList<KAction> menuActionList();
 
 		public slots:
@@ -159,8 +158,9 @@ namespace RemoteLab
 			void updateDisplay();
 			void processLockouts();
 			void connectionClosed();
-			void disconnectFromServer();
-			void finishConnectingToServer();
+			void connectionFinishedCallback();
+			void disconnectFromServerCallback();
+			void connectionStatusChangedCallback();
 			void switchToBasicMode();
 			void switchToIntermediateMode();
 			void switchToAdvancedMode();
@@ -183,16 +183,10 @@ namespace RemoteLab
 			void receiveInputStatesFromRemoteFPGA();
 	
 		private:
-			TDEKerberosClientSocket* m_socket;
 			FPGAViewBase* m_base;
 			TQMutex* m_connectionMutex;
-			TQTimer* m_connectionTimer;
 			TQTimer* m_updateTimer;
 
-			bool connToServerConnecting;
-			int connToServerState;
-			TQTimer *connToServerTimeoutTimer;
-
 			TQPtrList<KAction> m_menuActionList;
 			KActionMenu* m_modeSubMenu;
 			KToggleAction* m_modeBasicEnabled;