Add ability to set up multi-master replication

1 files changed, 198 insertions, 0 deletions

diff --git a/src/ldapcontroller.cpp b/src/ldapcontroller.cpp
index 0424bcc..f849d8f 100644
--- a/src/ldapcontroller.cpp
+++ b/src/ldapcontroller.cpp
@@ -24,6 +24,7 @@
 #include <pwd.h>
 
 #include <tqlayout.h>
+#include <tqtabwidget.h>
 
 #include <tdelocale.h>
 #include <tdeglobal.h>
@@ -54,6 +55,7 @@
 #include "primaryrealmwizard/primaryrealmwizard.h"
 #include "secondaryrealmwizard/secondaryrealmwizard.h"
 #include "processingdialog.h"
+#include "multimasterreplicationconfigdlg.h"
 
 #include "ldapcontrollerconfigbase.h"
 
@@ -105,6 +107,9 @@ LDAPController::LDAPController(TQWidget *parent, const char *name, const TQStrin
 	m_base->systemRole->insertItem("Workstation", ROLE_WORKSTATION);
 	m_base->systemRole->insertItem("Secondary Realm Controller", ROLE_SECONDARY_REALM_CONTROLLER);
 	m_base->systemRole->insertItem("Primary Realm Controller", ROLE_PRIMARY_REALM_CONTROLLER);
+
+	m_base->multiMasterReplicationMappings->setAllColumnsShowFocus(true);
+	m_base->multiMasterReplicationMappings->setFullWidth(true);
 	
 	setRootOnlyMsg(i18n("<b>LDAP controller settings take effect system wide, and require administrator access to modify</b><br>To alter the system's realm controller settings, click on the \"Administrator Mode\" button below."));
 	setUseRootOnlyMsg(true);
@@ -130,6 +135,15 @@ LDAPController::LDAPController(TQWidget *parent, const char *name, const TQStrin
 
 	connect(&m_certRefreshTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(updateCertDisplay()));
 
+	connect(m_base->advancedEnableMultiMasterReplication, TQT_SIGNAL(clicked()), this, TQT_SLOT(changed()));
+
+	connect(m_base->btnAddMultiMasterReplicationMapping, TQT_SIGNAL(clicked()), this, TQT_SLOT(btnAddMultiMasterReplicationMapping()));
+	connect(m_base->btnEditMultiMasterReplicationMapping, TQT_SIGNAL(clicked()), this, TQT_SLOT(btnEditMultiMasterReplicationMapping()));
+	connect(m_base->btnRemoveMultiMasterReplicationMapping, TQT_SIGNAL(clicked()), this, TQT_SLOT(btnRemoveMultiMasterReplicationMapping()));
+
+	connect(m_base->multiMasterReplicationMappings, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(multiMasterReplicationHighlighted()));
+	connect(m_base->multiMasterReplicationMappings, TQT_SIGNAL(executed(TQListViewItem*)), this, TQT_SLOT(modifySelectedMultiMasterReplication()));
+
 	m_fqdn = LDAPManager::getMachineFQDN();
 
 	// FIXME
@@ -310,6 +324,18 @@ void LDAPController::processLockouts() {
 		canChangeLDAPEnabled = false;
 	}
 
+	if (m_base->systemRole->currentItem() == ROLE_PRIMARY_REALM_CONTROLLER) {
+		TQListViewItem* lvi = m_base->multiMasterReplicationMappings->selectedItem();
+		if (lvi) {
+			m_base->btnEditMultiMasterReplicationMapping->setEnabled(true);
+			m_base->btnRemoveMultiMasterReplicationMapping->setEnabled(true);
+		}
+		else {
+			m_base->btnEditMultiMasterReplicationMapping->setEnabled(false);
+			m_base->btnRemoveMultiMasterReplicationMapping->setEnabled(false);
+		}
+	}
+
 	m_base->systemEnableSupport->setEnabled(canChangeLDAPEnabled);
 	m_base->systemRole->setEnabled(enabled);
 }
@@ -331,6 +357,27 @@ void LDAPController::load() {
 	}
 	if (ldapRole == "Primary Realm Controller") {
 		m_base->systemRole->setCurrentItem(ROLE_PRIMARY_REALM_CONTROLLER);
+
+		// Connect to LDAP
+		TQString realmname = m_defaultRealm.upper();
+		LDAPCredentials* credentials = new LDAPCredentials;
+		credentials->username = "";
+		credentials->password = "";
+		credentials->realm = realmname;
+		LDAPManager* ldap_mgr = new LDAPManager(realmname, "ldapi://", credentials);
+		TQString errorstring;
+
+		// Get replication mappings from LDAP
+		LDAPMasterReplicationInfo replicationsettings = ldap_mgr->getLDAPMasterReplicationSettings(&errorstring);
+		m_base->advancedEnableMultiMasterReplication->setChecked(replicationsettings.enabled);
+		m_base->multiMasterReplicationMappings->clear();
+		LDAPMasterReplicationMap::iterator it;
+		for (it = replicationsettings.serverIDs.begin(); it != replicationsettings.serverIDs.end(); ++it) {
+			new TQListViewItem(m_base->multiMasterReplicationMappings, TQString("%1").arg((*it).id), (*it).fqdn);
+		}
+
+		delete ldap_mgr;
+		delete credentials;
 	}
 	else {
 		m_base->systemRole->setCurrentItem(ROLE_WORKSTATION);
@@ -356,6 +403,10 @@ void LDAPController::load() {
 	m_defaultRealm = m_systemconfig->readEntry("DefaultRealm");
 
 	if (m_base->systemRole->currentItem() == ROLE_PRIMARY_REALM_CONTROLLER) {
+		if (m_base->TabWidget2->indexOf(m_base->advancedPrimaryControllerTab) < 0) {
+			m_base->TabWidget2->insertTab(m_base->advancedPrimaryControllerTab, i18n("Advanced Configuration"));
+		}
+
 		m_base->groupRealmController->show();
 		m_base->groupRealmCertificates->show();
 
@@ -387,6 +438,10 @@ void LDAPController::load() {
 		m_certRefreshTimer.start(60*1000);
 	}
 	else {
+		if (m_base->TabWidget2->indexOf(m_base->advancedPrimaryControllerTab) >= 0) {
+			m_base->TabWidget2->removePage(m_base->advancedPrimaryControllerTab);
+		}
+
 		m_base->groupRealmController->hide();
 		m_base->groupRealmCertificates->hide();
 
@@ -675,11 +730,124 @@ void LDAPController::btnChangeRealmAdminPassword() {
 	}
 }
 
+void LDAPController::btnAddMultiMasterReplicationMapping() {
+	// Launch a dialog to add the mapping
+	LDAPMasterReplicationMapping mapping;
+
+	bool run = true;
+	MultiMasterReplicationConfigDialog mappingconfigdlg(mapping, m_defaultRealm, this);
+	while (run && (mappingconfigdlg.exec() == TQDialog::Accepted)) {
+		mapping = mappingconfigdlg.m_replicationProperties;
+		// Make sure the provided FQDN and/or UID do not already exist
+		bool conflict = false;
+		TQPtrList<TQListViewItem> lst;
+		TQListViewItemIterator it(m_base->multiMasterReplicationMappings);
+		while (it.current()) {
+			if (it.current()->text(0).toInt() == mapping.id) {
+				conflict = true;
+				KMessageBox::error(0, i18n("<qt>Unable to add new multi-master replication!<p>The provided ID '%1' conflicts with an existing replication mapping.</qt>").arg(mapping.id), i18n("Invalid Configuration"));
+				break;
+			}
+			if (it.current()->text(1) == mapping.fqdn) {
+				conflict = true;
+				KMessageBox::error(0, i18n("<qt>Unable to add new multi-master replication!<p>The provided FQDN '%1' conflicts with an existing replication mapping.</qt>").arg(mapping.fqdn), i18n("Invalid Configuration"));
+				break;
+			}
+			++it;
+		}
+		if (conflict) {
+			run = true;
+		}
+		else {
+			run = false;
+			new TQListViewItem(m_base->multiMasterReplicationMappings, TQString("%1").arg(mapping.id), mapping.fqdn);
+			changed();
+		}
+	}
+}
+
+void LDAPController::btnEditMultiMasterReplicationMapping() {
+	// Launch a dialog to edit the mapping
+	LDAPMasterReplicationMapping mapping;
+
+	TQListViewItem* lvi = m_base->multiMasterReplicationMappings->selectedItem();
+	if (!lvi) {
+		return;
+	}
+	mapping.id = lvi->text(0).toInt();
+	mapping.fqdn = lvi->text(1);
+
+	bool run = true;
+	MultiMasterReplicationConfigDialog mappingconfigdlg(mapping, m_defaultRealm, this);
+	while (run && (mappingconfigdlg.exec() == TQDialog::Accepted)) {
+		mapping = mappingconfigdlg.m_replicationProperties;
+		// Make sure the provided FQDN and/or UID do not already exist
+		bool conflict = false;
+		TQPtrList<TQListViewItem> lst;
+		TQListViewItemIterator it(m_base->multiMasterReplicationMappings);
+		while (it.current()) {
+			if (it.current() == lvi) {
+				// The selected item will be removed on update, so ignore any conflicts with it...
+				++it;
+				continue;
+			}
+			if (it.current()->text(0).toInt() == mapping.id) {
+				conflict = true;
+				KMessageBox::error(0, i18n("<qt>Unable to add new multi-master replication!<p>The provided ID '%1' conflicts with an existing replication mapping.</qt>").arg(mapping.id), i18n("Invalid Configuration"));
+				break;
+			}
+			if (it.current()->text(1) == mapping.fqdn) {
+				conflict = true;
+				KMessageBox::error(0, i18n("<qt>Unable to add new multi-master replication!<p>The provided FQDN '%1' conflicts with an existing replication mapping.</qt>").arg(mapping.fqdn), i18n("Invalid Configuration"));
+				break;
+			}
+			++it;
+		}
+		if (conflict) {
+			run = true;
+		}
+		else {
+			run = false;
+			if (lvi) {
+				delete lvi;
+			}
+			new TQListViewItem(m_base->multiMasterReplicationMappings, TQString("%1").arg(mapping.id), mapping.fqdn);
+			changed();
+		}
+	}
+}
+
+void LDAPController::btnRemoveMultiMasterReplicationMapping() {
+	LDAPMasterReplicationMapping mapping;
+
+	TQListViewItem* lvi = m_base->multiMasterReplicationMappings->selectedItem();
+	if (!lvi) {
+		return;
+	}
+	mapping.id = lvi->text(0).toInt();
+	mapping.fqdn = lvi->text(1);
+
+	if (KMessageBox::warningYesNo(this, i18n("<qt><b>You are about to remove the muli-master replication mapping for '%1'</b><br>This action cannot be undone once committed<p>Are you sure you want to proceed?</qt>").arg(mapping.fqdn), i18n("Confirmation Required")) == KMessageBox::Yes) {
+		delete lvi;
+		changed();
+	}
+}
+
+void LDAPController::multiMasterReplicationHighlighted() {
+	processLockouts();
+}
+
+void LDAPController::modifySelectedMultiMasterReplication() {
+	btnEditMultiMasterReplicationMapping();
+}
+
 void LDAPController::defaults() {
 	//
 }
 
 void LDAPController::save() {
+	TQString prevRole = m_systemconfig->readEntry("LDAPRole", "Workstation");
+
 	m_systemconfig->setGroup(NULL);
 	m_systemconfig->writeEntry("EnableLDAP", m_base->systemEnableSupport->isChecked());
 	m_systemconfig->writeEntry("HostFQDN", m_fqdn);
@@ -699,6 +867,36 @@ void LDAPController::save() {
 
 	m_systemconfig->sync();
 
+	// If role was not changed, update any role-specific advanced settings
+	if (prevRole == m_systemconfig->readEntry("LDAPRole", "Workstation")) {
+		if (m_base->systemRole->currentItem() == ROLE_PRIMARY_REALM_CONTROLLER) {
+			TQString realmname = m_defaultRealm.upper();
+			LDAPCredentials* credentials = new LDAPCredentials;
+			credentials->username = "";
+			credentials->password = "";
+			credentials->realm = realmname;
+			LDAPManager* ldap_mgr = new LDAPManager(realmname, "ldapi://", credentials);
+			TQString errorstring;
+	
+			// Write multi-master replication settings
+			LDAPMasterReplicationInfo replicationSettings;
+			replicationSettings.enabled = m_base->advancedEnableMultiMasterReplication->isChecked();
+			replicationSettings.serverIDs.clear();
+			TQPtrList<TQListViewItem> lst;
+			TQListViewItemIterator it(m_base->multiMasterReplicationMappings);
+			while (it.current()) {
+				LDAPMasterReplicationMapping mapping;
+				mapping.id = it.current()->text(0).toInt();
+				mapping.fqdn = it.current()->text(1);
+				replicationSettings.serverIDs.append(mapping);
+				++it;
+			}
+			if (ldap_mgr->setLDAPMasterReplicationSettings(replicationSettings, NULL) != 0) {
+				// ERROR
+			}
+		}
+	}
+
 	load();
 }