Index: /trunk/src/VBox/Frontends/VirtualBox/src/hostnetwork/UIHostNetworkDetailsDialog.cpp =================================================================== --- /trunk/src/VBox/Frontends/VirtualBox/src/hostnetwork/UIHostNetworkDetailsDialog.cpp (revision 66696) +++ /trunk/src/VBox/Frontends/VirtualBox/src/hostnetwork/UIHostNetworkDetailsDialog.cpp (revision 66697) @@ -5,5 +5,5 @@ /* - * Copyright (C) 2009-2016 Oracle Corporation + * Copyright (C) 2009-2017 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as @@ -360,5 +360,5 @@ /* Load 'DHCP server' data: */ - m_pCheckBoxDHCP->setChecked(m_data.m_dhcpserver.m_fDhcpServerEnabled); + m_pCheckBoxDHCP->setChecked(m_data.m_dhcpserver.m_fEnabled); loadDataForDHCPServer(); } @@ -366,10 +366,10 @@ void UIHostNetworkDetailsDialog::loadDataForInterface() { - /* IPv4 fields: */ - m_pEditorIPv4->setText(m_data.m_interface.m_strInterfaceAddress); - m_pEditorNMv4->setText(m_data.m_interface.m_strInterfaceMask); - - /* IPv6 fields: */ - const bool fIsIpv6Supported = m_data.m_interface.m_fIpv6Supported; + /* Load IPv4 interface fields: */ + m_pEditorIPv4->setText(m_data.m_interface.m_strAddress); + m_pEditorNMv4->setText(m_data.m_interface.m_strMask); + + /* Toggle IPv6 interface fields availability: */ + const bool fIsIpv6Supported = m_data.m_interface.m_fSupportedIPv6; m_pLabelIPv6->setEnabled(fIsIpv6Supported); m_pLabelNMv6->setEnabled(fIsIpv6Supported); @@ -378,7 +378,7 @@ if (fIsIpv6Supported) { - /* Load old values: */ - m_pEditorIPv6->setText(m_data.m_interface.m_strInterfaceAddress6); - m_pEditorNMv6->setText(m_data.m_interface.m_strInterfaceMaskLength6); + /* Load IPv6 interface fields: */ + m_pEditorIPv6->setText(m_data.m_interface.m_strAddress6); + m_pEditorNMv6->setText(m_data.m_interface.m_strMaskLength6); } } @@ -386,5 +386,5 @@ void UIHostNetworkDetailsDialog::loadDataForDHCPServer() { - /* DHCP server fields: */ + /* Toggle DHCP server fields availability: */ const bool fIsManual = m_pCheckBoxDHCP->isChecked(); m_pLabelDHCPAddress->setEnabled(fIsManual); @@ -398,13 +398,13 @@ if (fIsManual) { - /* Load old values: */ - m_pEditorDHCPAddress->setText(m_data.m_dhcpserver.m_strDhcpServerAddress); - m_pEditorDHCPMask->setText(m_data.m_dhcpserver.m_strDhcpServerMask); - m_pEditorDHCPLowerAddress->setText(m_data.m_dhcpserver.m_strDhcpLowerAddress); - m_pEditorDHCPUpperAddress->setText(m_data.m_dhcpserver.m_strDhcpUpperAddress); + /* Load DHCP server fields: */ + m_pEditorDHCPAddress->setText(m_data.m_dhcpserver.m_strAddress); + m_pEditorDHCPMask->setText(m_data.m_dhcpserver.m_strMask); + m_pEditorDHCPLowerAddress->setText(m_data.m_dhcpserver.m_strLowerAddress); + m_pEditorDHCPUpperAddress->setText(m_data.m_dhcpserver.m_strUpperAddress); /* Invent default values where necessary: */ - const quint32 uAddr = ipv4FromQStringToQuint32(m_data.m_interface.m_strInterfaceAddress); - const quint32 uMask = ipv4FromQStringToQuint32(m_data.m_interface.m_strInterfaceMask); + const quint32 uAddr = ipv4FromQStringToQuint32(m_data.m_interface.m_strAddress); + const quint32 uMask = ipv4FromQStringToQuint32(m_data.m_interface.m_strMask); const quint32 uProp = uAddr & uMask; const QString strMask = ipv4FromQuint32ToQString(uMask); @@ -413,15 +413,15 @@ // strProp.toUtf8().constData(), // strMask.toUtf8().constData()); - if ( m_data.m_dhcpserver.m_strDhcpServerAddress.isEmpty() - || m_data.m_dhcpserver.m_strDhcpServerAddress == "0.0.0.0") + if ( m_data.m_dhcpserver.m_strAddress.isEmpty() + || m_data.m_dhcpserver.m_strAddress == "0.0.0.0") m_pEditorDHCPAddress->setText(strProp); - if ( m_data.m_dhcpserver.m_strDhcpServerMask.isEmpty() - || m_data.m_dhcpserver.m_strDhcpServerMask == "0.0.0.0") + if ( m_data.m_dhcpserver.m_strMask.isEmpty() + || m_data.m_dhcpserver.m_strMask == "0.0.0.0") m_pEditorDHCPMask->setText(strMask); - if ( m_data.m_dhcpserver.m_strDhcpLowerAddress.isEmpty() - || m_data.m_dhcpserver.m_strDhcpLowerAddress == "0.0.0.0") + if ( m_data.m_dhcpserver.m_strLowerAddress.isEmpty() + || m_data.m_dhcpserver.m_strLowerAddress == "0.0.0.0") m_pEditorDHCPLowerAddress->setText(strProp); - if ( m_data.m_dhcpserver.m_strDhcpUpperAddress.isEmpty() - || m_data.m_dhcpserver.m_strDhcpUpperAddress == "0.0.0.0") + if ( m_data.m_dhcpserver.m_strUpperAddress.isEmpty() + || m_data.m_dhcpserver.m_strUpperAddress == "0.0.0.0") m_pEditorDHCPUpperAddress->setText(strProp); } @@ -437,21 +437,21 @@ void UIHostNetworkDetailsDialog::save() { - /* Interface data: */ - m_data.m_interface.m_strInterfaceAddress = m_pEditorIPv4->text(); - m_data.m_interface.m_strInterfaceMask = m_pEditorNMv4->text(); - if (m_data.m_interface.m_fIpv6Supported) - { - m_data.m_interface.m_strInterfaceAddress6 = m_pEditorIPv6->text(); - m_data.m_interface.m_strInterfaceMaskLength6 = m_pEditorNMv6->text(); - } - - /* Server data: */ - m_data.m_dhcpserver.m_fDhcpServerEnabled = m_pCheckBoxDHCP->isChecked(); - if (m_data.m_dhcpserver.m_fDhcpServerEnabled) - { - m_data.m_dhcpserver.m_strDhcpServerAddress = m_pEditorDHCPAddress->text(); - m_data.m_dhcpserver.m_strDhcpServerMask = m_pEditorDHCPMask->text(); - m_data.m_dhcpserver.m_strDhcpLowerAddress = m_pEditorDHCPLowerAddress->text(); - m_data.m_dhcpserver.m_strDhcpUpperAddress = m_pEditorDHCPUpperAddress->text(); + /* Save interface data: */ + m_data.m_interface.m_strAddress = m_pEditorIPv4->text(); + m_data.m_interface.m_strMask = m_pEditorNMv4->text(); + if (m_data.m_interface.m_fSupportedIPv6) + { + m_data.m_interface.m_strAddress6 = m_pEditorIPv6->text(); + m_data.m_interface.m_strMaskLength6 = m_pEditorNMv6->text(); + } + + /* Save DHCP server data: */ + m_data.m_dhcpserver.m_fEnabled = m_pCheckBoxDHCP->isChecked(); + if (m_data.m_dhcpserver.m_fEnabled) + { + m_data.m_dhcpserver.m_strAddress = m_pEditorDHCPAddress->text(); + m_data.m_dhcpserver.m_strMask = m_pEditorDHCPMask->text(); + m_data.m_dhcpserver.m_strLowerAddress = m_pEditorDHCPLowerAddress->text(); + m_data.m_dhcpserver.m_strUpperAddress = m_pEditorDHCPUpperAddress->text(); } } Index: /trunk/src/VBox/Frontends/VirtualBox/src/hostnetwork/UIHostNetworkDetailsDialog.h =================================================================== --- /trunk/src/VBox/Frontends/VirtualBox/src/hostnetwork/UIHostNetworkDetailsDialog.h (revision 66696) +++ /trunk/src/VBox/Frontends/VirtualBox/src/hostnetwork/UIHostNetworkDetailsDialog.h (revision 66697) @@ -36,9 +36,9 @@ UIDataHostNetworkInterface() : m_strName(QString()) - , m_strInterfaceAddress(QString()) - , m_strInterfaceMask(QString()) - , m_fIpv6Supported(false) - , m_strInterfaceAddress6(QString()) - , m_strInterfaceMaskLength6(QString()) + , m_strAddress(QString()) + , m_strMask(QString()) + , m_fSupportedIPv6(false) + , m_strAddress6(QString()) + , m_strMaskLength6(QString()) {} @@ -48,9 +48,9 @@ return true && (m_strName == other.m_strName) - && (m_strInterfaceAddress == other.m_strInterfaceAddress) - && (m_strInterfaceMask == other.m_strInterfaceMask) - && (m_fIpv6Supported == other.m_fIpv6Supported) - && (m_strInterfaceAddress6 == other.m_strInterfaceAddress6) - && (m_strInterfaceMaskLength6 == other.m_strInterfaceMaskLength6) + && (m_strAddress == other.m_strAddress) + && (m_strMask == other.m_strMask) + && (m_fSupportedIPv6 == other.m_fSupportedIPv6) + && (m_strAddress6 == other.m_strAddress6) + && (m_strMaskLength6 == other.m_strMaskLength6) ; } @@ -61,16 +61,16 @@ bool operator!=(const UIDataHostNetworkInterface &other) const { return !equal(other); } - /** Holds host interface name. */ + /** Holds interface name. */ QString m_strName; /** Holds IPv4 interface address. */ - QString m_strInterfaceAddress; + QString m_strAddress; /** Holds IPv4 interface mask. */ - QString m_strInterfaceMask; + QString m_strMask; /** Holds whether IPv6 protocol supported. */ - bool m_fIpv6Supported; + bool m_fSupportedIPv6; /** Holds IPv6 interface address. */ - QString m_strInterfaceAddress6; + QString m_strAddress6; /** Holds IPv6 interface mask length. */ - QString m_strInterfaceMaskLength6; + QString m_strMaskLength6; }; @@ -81,9 +81,9 @@ /** Constructs data. */ UIDataDHCPServer() - : m_fDhcpServerEnabled(false) - , m_strDhcpServerAddress(QString()) - , m_strDhcpServerMask(QString()) - , m_strDhcpLowerAddress(QString()) - , m_strDhcpUpperAddress(QString()) + : m_fEnabled(false) + , m_strAddress(QString()) + , m_strMask(QString()) + , m_strLowerAddress(QString()) + , m_strUpperAddress(QString()) {} @@ -92,9 +92,9 @@ { return true - && (m_fDhcpServerEnabled == other.m_fDhcpServerEnabled) - && (m_strDhcpServerAddress == other.m_strDhcpServerAddress) - && (m_strDhcpServerMask == other.m_strDhcpServerMask) - && (m_strDhcpLowerAddress == other.m_strDhcpLowerAddress) - && (m_strDhcpUpperAddress == other.m_strDhcpUpperAddress) + && (m_fEnabled == other.m_fEnabled) + && (m_strAddress == other.m_strAddress) + && (m_strMask == other.m_strMask) + && (m_strLowerAddress == other.m_strLowerAddress) + && (m_strUpperAddress == other.m_strUpperAddress) ; } @@ -106,13 +106,13 @@ /** Holds whether DHCP server enabled. */ - bool m_fDhcpServerEnabled; + bool m_fEnabled; /** Holds DHCP server address. */ - QString m_strDhcpServerAddress; + QString m_strAddress; /** Holds DHCP server mask. */ - QString m_strDhcpServerMask; + QString m_strMask; /** Holds DHCP server lower address. */ - QString m_strDhcpLowerAddress; + QString m_strLowerAddress; /** Holds DHCP server upper address. */ - QString m_strDhcpUpperAddress; + QString m_strUpperAddress; }; Index: /trunk/src/VBox/Frontends/VirtualBox/src/hostnetwork/UIHostNetworkManager.cpp =================================================================== --- /trunk/src/VBox/Frontends/VirtualBox/src/hostnetwork/UIHostNetworkManager.cpp (revision 66696) +++ /trunk/src/VBox/Frontends/VirtualBox/src/hostnetwork/UIHostNetworkManager.cpp (revision 66697) @@ -86,9 +86,9 @@ /* Compose item fields: */ setText(Column_Name, m_interface.m_strName); - setText(Column_IPv4, QString("%1/%2").arg(m_interface.m_strInterfaceAddress).arg(maskToCidr(m_interface.m_strInterfaceMask))); - setText(Column_IPv6, !m_interface.m_fIpv6Supported ? QString() : - QString("%1/%2").arg(m_interface.m_strInterfaceAddress6).arg(maskToCidr(m_interface.m_strInterfaceMaskLength6))); + setText(Column_IPv4, QString("%1/%2").arg(m_interface.m_strAddress).arg(maskToCidr(m_interface.m_strMask))); + setText(Column_IPv6, !m_interface.m_fSupportedIPv6 ? QString() : + QString("%1/%2").arg(m_interface.m_strAddress6).arg(maskToCidr(m_interface.m_strMaskLength6))); setText(Column_DHCP, UIHostNetworkManager::tr("Enable", "DHCP Server")); - setCheckState(Column_DHCP, m_dhcpserver.m_fDhcpServerEnabled ? Qt::Checked : Qt::Unchecked); + setCheckState(Column_DHCP, m_dhcpserver.m_fEnabled ? Qt::Checked : Qt::Unchecked); /* Compose item tool-tip: */ @@ -102,46 +102,46 @@ .arg(UIHostNetworkManager::tr("Manually configured", "interface")); strToolTip += strSubHeader.arg(UIHostNetworkManager::tr("IPv4 Address")) - .arg(m_interface.m_strInterfaceAddress.isEmpty() ? + .arg(m_interface.m_strAddress.isEmpty() ? UIHostNetworkManager::tr ("Not set", "address") : - m_interface.m_strInterfaceAddress) + + m_interface.m_strAddress) + strSubHeader.arg(UIHostNetworkManager::tr("IPv4 Network Mask")) - .arg(m_interface.m_strInterfaceMask.isEmpty() ? + .arg(m_interface.m_strMask.isEmpty() ? UIHostNetworkManager::tr ("Not set", "mask") : - m_interface.m_strInterfaceMask); - if (m_interface.m_fIpv6Supported) + m_interface.m_strMask); + if (m_interface.m_fSupportedIPv6) { strToolTip += strSubHeader.arg(UIHostNetworkManager::tr("IPv6 Address")) - .arg(m_interface.m_strInterfaceAddress6.isEmpty() ? + .arg(m_interface.m_strAddress6.isEmpty() ? UIHostNetworkManager::tr("Not set", "address") : - m_interface.m_strInterfaceAddress6) + + m_interface.m_strAddress6) + strSubHeader.arg(UIHostNetworkManager::tr("IPv6 Network Mask Length")) - .arg(m_interface.m_strInterfaceMaskLength6.isEmpty() ? + .arg(m_interface.m_strMaskLength6.isEmpty() ? UIHostNetworkManager::tr("Not set", "length") : - m_interface.m_strInterfaceMaskLength6); + m_interface.m_strMaskLength6); } /* DHCP server information: */ strToolTip += strHeader.arg(UIHostNetworkManager::tr("DHCP Server")) - .arg(m_dhcpserver.m_fDhcpServerEnabled ? + .arg(m_dhcpserver.m_fEnabled ? UIHostNetworkManager::tr("Enabled", "server") : UIHostNetworkManager::tr("Disabled", "server")); - if (m_dhcpserver.m_fDhcpServerEnabled) + if (m_dhcpserver.m_fEnabled) { strToolTip += strSubHeader.arg(UIHostNetworkManager::tr("Address")) - .arg(m_dhcpserver.m_strDhcpServerAddress.isEmpty() ? + .arg(m_dhcpserver.m_strAddress.isEmpty() ? UIHostNetworkManager::tr("Not set", "address") : - m_dhcpserver.m_strDhcpServerAddress) + + m_dhcpserver.m_strAddress) + strSubHeader.arg(UIHostNetworkManager::tr("Network Mask")) - .arg(m_dhcpserver.m_strDhcpServerMask.isEmpty() ? + .arg(m_dhcpserver.m_strMask.isEmpty() ? UIHostNetworkManager::tr("Not set", "mask") : - m_dhcpserver.m_strDhcpServerMask) + + m_dhcpserver.m_strMask) + strSubHeader.arg(UIHostNetworkManager::tr("Lower Bound")) - .arg(m_dhcpserver.m_strDhcpLowerAddress.isEmpty() ? + .arg(m_dhcpserver.m_strLowerAddress.isEmpty() ? UIHostNetworkManager::tr("Not set", "bound") : - m_dhcpserver.m_strDhcpLowerAddress) + + m_dhcpserver.m_strLowerAddress) + strSubHeader.arg(UIHostNetworkManager::tr("Upper Bound")) - .arg(m_dhcpserver.m_strDhcpUpperAddress.isEmpty() ? + .arg(m_dhcpserver.m_strUpperAddress.isEmpty() ? UIHostNetworkManager::tr("Not set", "bound") : - m_dhcpserver.m_strDhcpUpperAddress); + m_dhcpserver.m_strUpperAddress); } @@ -378,13 +378,13 @@ /* Save IPv4 interface configuration: */ if ( comInterface.isOk() - && ( newData.m_interface.m_strInterfaceAddress != oldData.m_interface.m_strInterfaceAddress - || newData.m_interface.m_strInterfaceMask != oldData.m_interface.m_strInterfaceMask)) - comInterface.EnableStaticIPConfig(newData.m_interface.m_strInterfaceAddress, newData.m_interface.m_strInterfaceMask); + && ( newData.m_interface.m_strAddress != oldData.m_interface.m_strAddress + || newData.m_interface.m_strMask != oldData.m_interface.m_strMask)) + comInterface.EnableStaticIPConfig(newData.m_interface.m_strAddress, newData.m_interface.m_strMask); /* Save IPv6 interface configuration: */ if ( comInterface.isOk() - && newData.m_interface.m_fIpv6Supported - && ( newData.m_interface.m_strInterfaceAddress6 != oldData.m_interface.m_strInterfaceAddress6 - || newData.m_interface.m_strInterfaceMaskLength6 != oldData.m_interface.m_strInterfaceMaskLength6)) - comInterface.EnableStaticIPConfigV6(newData.m_interface.m_strInterfaceAddress6, newData.m_interface.m_strInterfaceMaskLength6.toULong()); + && newData.m_interface.m_fSupportedIPv6 + && ( newData.m_interface.m_strAddress6 != oldData.m_interface.m_strAddress6 + || newData.m_interface.m_strMaskLength6 != oldData.m_interface.m_strMaskLength6)) + comInterface.EnableStaticIPConfigV6(newData.m_interface.m_strAddress6, newData.m_interface.m_strMaskLength6.toULong()); /* Show error message if necessary: */ @@ -416,15 +416,15 @@ /* Save whether DHCP server is enabled: */ if ( comServer.isOk() - && newData.m_dhcpserver.m_fDhcpServerEnabled != oldData.m_dhcpserver.m_fDhcpServerEnabled) - comServer.SetEnabled(newData.m_dhcpserver.m_fDhcpServerEnabled); + && newData.m_dhcpserver.m_fEnabled != oldData.m_dhcpserver.m_fEnabled) + comServer.SetEnabled(newData.m_dhcpserver.m_fEnabled); /* Save DHCP server configuration: */ if ( comServer.isOk() - && newData.m_dhcpserver.m_fDhcpServerEnabled - && ( newData.m_dhcpserver.m_strDhcpServerAddress != oldData.m_dhcpserver.m_strDhcpServerAddress - || newData.m_dhcpserver.m_strDhcpServerMask != oldData.m_dhcpserver.m_strDhcpServerMask - || newData.m_dhcpserver.m_strDhcpLowerAddress != oldData.m_dhcpserver.m_strDhcpLowerAddress - || newData.m_dhcpserver.m_strDhcpUpperAddress != oldData.m_dhcpserver.m_strDhcpUpperAddress)) - comServer.SetConfiguration(newData.m_dhcpserver.m_strDhcpServerAddress, newData.m_dhcpserver.m_strDhcpServerMask, - newData.m_dhcpserver.m_strDhcpLowerAddress, newData.m_dhcpserver.m_strDhcpUpperAddress); + && newData.m_dhcpserver.m_fEnabled + && ( newData.m_dhcpserver.m_strAddress != oldData.m_dhcpserver.m_strAddress + || newData.m_dhcpserver.m_strMask != oldData.m_dhcpserver.m_strMask + || newData.m_dhcpserver.m_strLowerAddress != oldData.m_dhcpserver.m_strLowerAddress + || newData.m_dhcpserver.m_strUpperAddress != oldData.m_dhcpserver.m_strUpperAddress)) + comServer.SetConfiguration(newData.m_dhcpserver.m_strAddress, newData.m_dhcpserver.m_strMask, + newData.m_dhcpserver.m_strLowerAddress, newData.m_dhcpserver.m_strUpperAddress); /* Show error message if necessary: */ @@ -559,7 +559,7 @@ /* Make sure dhcp server status changed: */ - if ( ( data.m_dhcpserver.m_fDhcpServerEnabled + if ( ( data.m_dhcpserver.m_fEnabled && pChangedItem->checkState(Column_DHCP) == Qt::Checked) - || ( !data.m_dhcpserver.m_fDhcpServerEnabled + || ( !data.m_dhcpserver.m_fEnabled && pChangedItem->checkState(Column_DHCP) == Qt::Unchecked)) return; @@ -580,5 +580,5 @@ /* Save whether DHCP server is enabled: */ if (comServer.isOk()) - comServer.SetEnabled(!data.m_dhcpserver.m_fDhcpServerEnabled); + comServer.SetEnabled(!data.m_dhcpserver.m_fEnabled); /* Show error message if necessary: */ @@ -587,5 +587,5 @@ { /* Manually toggle the DHCP server status: */ - data.m_dhcpserver.m_fDhcpServerEnabled = !data.m_dhcpserver.m_fDhcpServerEnabled; + data.m_dhcpserver.m_fEnabled = !data.m_dhcpserver.m_fEnabled; /* Update interface in the tree: */ @@ -884,13 +884,13 @@ data.m_interface.m_strName = comInterface.GetName(); if (comInterface.isOk()) - data.m_interface.m_strInterfaceAddress = comInterface.GetIPAddress(); + data.m_interface.m_strAddress = comInterface.GetIPAddress(); if (comInterface.isOk()) - data.m_interface.m_strInterfaceMask = comInterface.GetNetworkMask(); + data.m_interface.m_strMask = comInterface.GetNetworkMask(); if (comInterface.isOk()) - data.m_interface.m_fIpv6Supported = comInterface.GetIPV6Supported(); + data.m_interface.m_fSupportedIPv6 = comInterface.GetIPV6Supported(); if (comInterface.isOk()) - data.m_interface.m_strInterfaceAddress6 = comInterface.GetIPV6Address(); + data.m_interface.m_strAddress6 = comInterface.GetIPV6Address(); if (comInterface.isOk()) - data.m_interface.m_strInterfaceMaskLength6 = QString::number(comInterface.GetIPV6NetworkMaskPrefixLength()); + data.m_interface.m_strMaskLength6 = QString::number(comInterface.GetIPV6NetworkMaskPrefixLength()); /* Get host interface network name for further activities: */ @@ -918,13 +918,13 @@ /* Gather DHCP server settings: */ if (comServer.isOk()) - data.m_dhcpserver.m_fDhcpServerEnabled = comServer.GetEnabled(); + data.m_dhcpserver.m_fEnabled = comServer.GetEnabled(); if (comServer.isOk()) - data.m_dhcpserver.m_strDhcpServerAddress = comServer.GetIPAddress(); + data.m_dhcpserver.m_strAddress = comServer.GetIPAddress(); if (comServer.isOk()) - data.m_dhcpserver.m_strDhcpServerMask = comServer.GetNetworkMask(); + data.m_dhcpserver.m_strMask = comServer.GetNetworkMask(); if (comServer.isOk()) - data.m_dhcpserver.m_strDhcpLowerAddress = comServer.GetLowerIP(); + data.m_dhcpserver.m_strLowerAddress = comServer.GetLowerIP(); if (comServer.isOk()) - data.m_dhcpserver.m_strDhcpUpperAddress = comServer.GetUpperIP(); + data.m_dhcpserver.m_strUpperAddress = comServer.GetUpperIP(); /* Show error message if necessary: */