BNetworkSettings: added some convenience methods.

* From InterfaceAddressView: FindFirstAddress(), and IsAutoConfigure().
* Removed some debug leftovers in InterfaceAddressView, too.

headers/os/add-ons/network_settings/NetworkSettings.h

@@ -21,6 +21,9 @@
 namespace BNetworkKit {
 
 
+class BNetworkInterfaceSettings;
+
+
 class BNetworkSettings {
 public:
 	static	const uint32		kMsgInterfaceSettingsUpdated = 'SUif';
@@ -37,6 +40,8 @@ public:
 									BMessage& interface);
 			status_t			AddInterface(const BMessage& interface);
 			status_t			RemoveInterface(const char* name);
+			BNetworkInterfaceSettings
+								Interface(const char* name);
 
 			int32				CountNetworks() const;
 			status_t			GetNextNetwork(uint32& cookie,
@@ -105,7 +110,7 @@ public:
 
 			int					Family() const;
 			void				SetFamily(int family);
-			bool				AutoConfigure() const;
+			bool				IsAutoConfigure() const;
 			void				SetAutoConfigure(bool configure);
 
 			const BNetworkAddress&
@@ -164,10 +169,13 @@ public:
 								AddressAt(int32 index) const;
 			BNetworkInterfaceAddressSettings&
 								AddressAt(int32 index);
+			int32				FindFirstAddress(int family) const;
 			void				AddAddress(const
 									BNetworkInterfaceAddressSettings& address);
 			void				RemoveAddress(int32 index);
 
+			bool				IsAutoConfigure(int family) const;
+
 			status_t			GetMessage(BMessage& data) const;
 
 private:

src/add-ons/network_settings/ipv4/InterfaceAddressView.cpp

@@ -215,8 +215,11 @@ InterfaceAddressView::_EnableFields(bool enable)
 void
 InterfaceAddressView::_UpdateFields()
 {
-	bool autoConfigure = (fInterface.Flags()
+	bool autoConfigure = fInterfaceSettings.IsEmpty();
-		& (IFF_AUTO_CONFIGURED | IFF_CONFIGURING)) != 0;
+	if (!autoConfigure) {
+		BNetworkInterfaceSettings settings(fInterfaceSettings);
+		autoConfigure = settings.IsAutoConfigure(fFamily);
+	}
 
 	BNetworkInterfaceAddress address;
 	status_t status = B_ERROR;
@@ -226,13 +229,6 @@ InterfaceAddressView::_UpdateFields()
 		status = fInterface.GetAddressAt(index, address);
 	if (index < 0 || status != B_OK
 		|| address.Address().IsEmpty() && !autoConfigure) {
-		if (status == B_OK) {
-			// Check persistent settings for the mode -- the address
-			// can also be empty if the automatic configuration hasn't
-			// started yet.
-			autoConfigure = fInterfaceSettings.IsEmpty()
-				|| fInterfaceSettings.GetBool("auto_config", false);
-		}
 		if (!autoConfigure) {
 			_SetModeField(kModeDisabled);
 			return;
@@ -286,12 +282,11 @@ InterfaceAddressView::_UpdateSettings()
 
 	// Remove previous address for family
 
-	int32 index = _FindFirstAddress(settings, fFamily);
+	int32 index = settings.FindFirstAddress(fFamily);
 	if (index < 0)
-		index = _FindFirstAddress(settings, AF_UNSPEC);
+		index = settings.FindFirstAddress(AF_UNSPEC);
 	if (index >= 0 && index < settings.CountAddresses()) {
 		BNetworkInterfaceAddressSettings& address = settings.AddressAt(index);
-		printf("family = %d", address.Family());
 		_ConfigureAddress(address);
 	} else {
 		BNetworkInterfaceAddressSettings address;
@@ -322,27 +317,12 @@ InterfaceAddressView::_Mode() const
 }
 
 
-int32
-InterfaceAddressView::_FindFirstAddress(
-	const BNetworkInterfaceSettings& settings, int family)
-{
-	for (int32 index = 0; index < settings.CountAddresses(); index++) {
-		const BNetworkInterfaceAddressSettings address
-			= settings.AddressAt(index);
-		if (address.Family() == family)
-			return index;
-	}
-	return -1;
-}
-
-
 void
 InterfaceAddressView::_ConfigureAddress(
 	BNetworkInterfaceAddressSettings& settings)
 {
 	uint32 mode = _Mode();
 
-printf("family: %d\n", (int)fFamily);
 	settings.SetFamily(fFamily);
 	settings.SetAutoConfigure(mode == kModeAuto);
 

src/add-ons/network_settings/ipv4/InterfaceAddressView.h

@@ -13,6 +13,7 @@
 #include <GroupView.h>
 #include <NetworkInterface.h>
 #include <NetworkSettings.h>
+#include <NetworkSettingsAddOn.h>
 
 
 class BButton;
@@ -41,16 +42,12 @@ public:
 
 			void				ConfigurationUpdated(const BMessage& message);
 
-
 private:
 			void				_EnableFields(bool enable);
 			void				_UpdateFields();
 			void				_SetModeField(uint32 mode);
 			void				_UpdateSettings();
 			uint32				_Mode() const;
-			int32				_FindFirstAddress(
-									const BNetworkInterfaceSettings& settings,
-									int family);
 
 			void				_ConfigureAddress(
 									BNetworkInterfaceAddressSettings& address);

src/kits/network/libnetapi/NetworkSettings.cpp

@@ -19,6 +19,7 @@
 #include <FindDirectory.h>
 #include <fs_interface.h>
 #include <NetworkDevice.h>
+#include <NetworkInterface.h>
 #include <Path.h>
 #include <PathMonitor.h>
 #include <String.h>
@@ -348,6 +349,15 @@ BNetworkSettings::RemoveInterface(const char* name)
 }
 
 
+BNetworkInterfaceSettings
+BNetworkSettings::Interface(const char* name)
+{
+	BMessage interface;
+	GetInterface(name, interface);
+	return BNetworkInterfaceSettings(interface);
+}
+
+
 int32
 BNetworkSettings::CountNetworks() const
 {
@@ -926,7 +936,7 @@ BNetworkInterfaceAddressSettings::SetFamily(int family)
 
 
 bool
-BNetworkInterfaceAddressSettings::AutoConfigure() const
+BNetworkInterfaceAddressSettings::IsAutoConfigure() const
 {
 	return fAutoConfigure;
 }
@@ -1160,6 +1170,18 @@ BNetworkInterfaceSettings::AddressAt(int32 index)
 }
 
 
+int32
+BNetworkInterfaceSettings::FindFirstAddress(int family) const
+{
+	for (int32 index = 0; index < CountAddresses(); index++) {
+		const BNetworkInterfaceAddressSettings address = AddressAt(index);
+		if (address.Family() == family)
+			return index;
+	}
+	return -1;
+}
+
+
 void
 BNetworkInterfaceSettings::AddAddress(
 	const BNetworkInterfaceAddressSettings& address)
@@ -1175,6 +1197,47 @@ BNetworkInterfaceSettings::RemoveAddress(int32 index)
 }
 
 
+/*!	This is a convenience method that returns the current state of the
+	interface, not just the one configured.
+
+	This means, even if the settings say: auto configured, this method
+	may still return false, if the configuration has been manually tempered
+	with.
+*/
+bool
+BNetworkInterfaceSettings::IsAutoConfigure(int family) const
+{
+	BNetworkInterface interface(fName);
+	// TODO: this needs to happen at protocol level
+	if ((interface.Flags() & (IFF_AUTO_CONFIGURED | IFF_CONFIGURING)) != 0)
+		return true;
+
+	BNetworkInterfaceAddress address;
+	status_t status = B_ERROR;
+
+	int32 index = interface.FindFirstAddress(family);
+	if (index >= 0)
+		status = interface.GetAddressAt(index, address);
+	if (index < 0 || status != B_OK || address.Address().IsEmpty()) {
+		if (status == B_OK) {
+			// Check persistent settings for the mode -- the address
+			// can also be empty if the automatic configuration hasn't
+			// started yet (for example, because there is no link).
+			int32 index = FindFirstAddress(family);
+			if (index < 0)
+				index = FindFirstAddress(AF_UNSPEC);
+			if (index >= 0) {
+				const BNetworkInterfaceAddressSettings& address
+					= AddressAt(index);
+				return address.IsAutoConfigure();
+			}
+		}
+	}
+
+	return false;
+}
+
+
 status_t
 BNetworkInterfaceSettings::GetMessage(BMessage& data) const
 {

src/servers/net/NetServer.cpp

@@ -473,7 +473,7 @@ NetServer::_ConfigureInterface(BMessage& message)
 			&addressMessage) == B_OK; index++) {
 		BNetworkInterfaceAddressSettings addressSettings(addressMessage);
 
-		if (addressSettings.AutoConfigure()) {
+		if (addressSettings.IsAutoConfigure()) {
 			_QuitLooperForDevice(name);
 			startAutoConfig = true;
 		} else if (!addressSettings.Gateway().IsEmpty()) {