1 // Copyright 2018 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef NET_BASE_NETWORK_INTERFACES_FUCHSIA_H_ 6 #define NET_BASE_NETWORK_INTERFACES_FUCHSIA_H_ 7 8 #include <fuchsia/net/interfaces/cpp/fidl.h> 9 #include <stdint.h> 10 11 #include "net/base/network_change_notifier.h" 12 #include "net/base/network_interfaces.h" 13 #include "third_party/abseil-cpp/absl/types/optional.h" 14 15 namespace net::internal { 16 17 // Move-only wrapper for fuchsia::net::interface::Properties that guarantees 18 // that its inner |properties_| are valid and complete properties as reported by 19 // |VerifyCompleteInterfaceProperties|. 20 class InterfaceProperties final { 21 public: 22 using InterfaceId = uint64_t; 23 24 // Creates an |InterfaceProperties| if |properties| are valid complete 25 // properties as reported by |VerifyCompleteInterfaceProperties|. 26 static absl::optional<InterfaceProperties> VerifyAndCreate( 27 fuchsia::net::interfaces::Properties properties); 28 InterfaceProperties(InterfaceProperties&& interface); 29 InterfaceProperties& operator=(InterfaceProperties&& interface); 30 ~InterfaceProperties(); 31 32 // Updates this instance with the values set in |properties|. 33 // Fields not set in |properties| retain their previous values. 34 // Returns false if the |properties| has a missing or mismatched |id| field, 35 // or if any field set in |properties| has an invalid value (e.g. addresses of 36 // unknown types). 37 bool Update(fuchsia::net::interfaces::Properties properties); 38 39 // Appends the NetworkInterfaces for this interface to |interfaces|. 40 void AppendNetworkInterfaces(NetworkInterfaceList* interfaces) const; 41 42 // Returns true if the interface is online and it has either an IPv4 default 43 // route and a non-link-local address, or an IPv6 default route and a global 44 // address. 45 bool IsPubliclyRoutable() const; 46 HasAddresses()47 bool HasAddresses() const { return !properties_.addresses().empty(); } id()48 InterfaceId id() const { return properties_.id(); } online()49 bool online() const { return properties_.online(); } device_class()50 const fuchsia::net::interfaces::DeviceClass& device_class() const { 51 return properties_.device_class(); 52 } 53 54 private: 55 explicit InterfaceProperties(fuchsia::net::interfaces::Properties properties); 56 57 fuchsia::net::interfaces::Properties properties_; 58 }; 59 60 // Returns the //net ConnectionType for the supplied netstack interface 61 // description. Returns CONNECTION_NONE for loopback interfaces. 62 NetworkChangeNotifier::ConnectionType ConvertConnectionType( 63 const fuchsia::net::interfaces::DeviceClass& device_class); 64 65 // Validates that |properties| contains all the required fields, returning 66 // |true| if so. 67 bool VerifyCompleteInterfaceProperties( 68 const fuchsia::net::interfaces::Properties& properties); 69 70 } // namespace net::internal 71 72 #endif // NET_BASE_NETWORK_INTERFACES_FUCHSIA_H_ 73