| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GARNET_BIN_MDNS_SERVICE_INTERFACE_MONITOR_H_ |
| #define GARNET_BIN_MDNS_SERVICE_INTERFACE_MONITOR_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <lib/fit/function.h> |
| |
| #include "garnet/lib/inet/ip_address.h" |
| |
| namespace mdns { |
| |
| // Describes an interface. |
| struct InterfaceDescriptor { |
| InterfaceDescriptor(inet::IpAddress address, const std::string& name) |
| : address_(address), name_(name) {} |
| |
| inet::IpAddress address_; |
| std::string name_; |
| }; |
| |
| // Abstract base class for network interface monitoring. |
| class InterfaceMonitor { |
| public: |
| virtual ~InterfaceMonitor() {} |
| |
| // Registers a callback to be called when a link change occurs. |
| virtual void RegisterLinkChangeCallback(fit::closure callback) = 0; |
| |
| // Returns the current collection of viable interfaces. |
| virtual const std::vector<std::unique_ptr<InterfaceDescriptor>>& |
| GetInterfaces() = 0; |
| |
| protected: |
| InterfaceMonitor() {} |
| }; |
| |
| } // namespace mdns |
| |
| #endif // GARNET_BIN_MDNS_SERVICE_INTERFACE_MONITOR_H_ |