mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-24 09:31:30 +00:00
92 lines
2.8 KiB
Go
92 lines
2.8 KiB
Go
package libbox
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import (
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"github.com/sagernet/sing-tun"
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"github.com/sagernet/sing/common/control"
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E "github.com/sagernet/sing/common/exceptions"
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"github.com/sagernet/sing/common/logger"
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"github.com/sagernet/sing/common/x/list"
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)
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var (
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_ tun.DefaultInterfaceMonitor = (*platformDefaultInterfaceMonitor)(nil)
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_ InterfaceUpdateListener = (*platformDefaultInterfaceMonitor)(nil)
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)
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type platformDefaultInterfaceMonitor struct {
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*platformInterfaceWrapper
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element *list.Element[tun.NetworkUpdateCallback]
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callbacks list.List[tun.DefaultInterfaceUpdateCallback]
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logger logger.Logger
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}
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func (m *platformDefaultInterfaceMonitor) Start() error {
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return m.iif.StartDefaultInterfaceMonitor(m)
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}
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func (m *platformDefaultInterfaceMonitor) Close() error {
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return m.iif.CloseDefaultInterfaceMonitor(m)
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}
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func (m *platformDefaultInterfaceMonitor) DefaultInterface() *control.Interface {
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m.defaultInterfaceAccess.Lock()
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defer m.defaultInterfaceAccess.Unlock()
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return m.defaultInterface
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}
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func (m *platformDefaultInterfaceMonitor) OverrideAndroidVPN() bool {
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return false
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}
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func (m *platformDefaultInterfaceMonitor) AndroidVPNEnabled() bool {
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return false
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}
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func (m *platformDefaultInterfaceMonitor) RegisterCallback(callback tun.DefaultInterfaceUpdateCallback) *list.Element[tun.DefaultInterfaceUpdateCallback] {
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m.defaultInterfaceAccess.Lock()
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defer m.defaultInterfaceAccess.Unlock()
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return m.callbacks.PushBack(callback)
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}
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func (m *platformDefaultInterfaceMonitor) UnregisterCallback(element *list.Element[tun.DefaultInterfaceUpdateCallback]) {
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m.defaultInterfaceAccess.Lock()
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defer m.defaultInterfaceAccess.Unlock()
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m.callbacks.Remove(element)
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}
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func (m *platformDefaultInterfaceMonitor) UpdateDefaultInterface(interfaceName string, interfaceIndex32 int32, isExpensive bool, isConstrained bool) {
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m.isExpensive = isExpensive
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m.isConstrained = isConstrained
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err := m.networkManager.UpdateInterfaces()
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if err != nil {
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m.logger.Error(E.Cause(err, "update interfaces"))
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}
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m.defaultInterfaceAccess.Lock()
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if interfaceIndex32 == -1 {
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m.defaultInterface = nil
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callbacks := m.callbacks.Array()
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m.defaultInterfaceAccess.Unlock()
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for _, callback := range callbacks {
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callback(nil, 0)
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}
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return
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}
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oldInterface := m.defaultInterface
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newInterface, err := m.networkManager.InterfaceFinder().ByIndex(int(interfaceIndex32))
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if err != nil {
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m.defaultInterfaceAccess.Unlock()
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m.logger.Error(E.Cause(err, "find updated interface: ", interfaceName))
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return
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}
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m.defaultInterface = newInterface
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if oldInterface != nil && oldInterface.Name == m.defaultInterface.Name && oldInterface.Index == m.defaultInterface.Index {
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m.defaultInterfaceAccess.Unlock()
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return
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}
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callbacks := m.callbacks.Array()
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m.defaultInterfaceAccess.Unlock()
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for _, callback := range callbacks {
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callback(newInterface, 0)
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}
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}
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