1 // 2 // 3 // Copyright 2020 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 // 17 // 18 19 #ifndef GRPC_TEST_CORE_UTIL_RESOLVE_LOCALHOST_IP46_H 20 #define GRPC_TEST_CORE_UTIL_RESOLVE_LOCALHOST_IP46_H 21 22 #include <string> 23 24 #include "absl/strings/string_view.h" 25 26 namespace grpc_core { 27 28 // Test whether localhost resolves to ipv4 and/or ipv6 29 void LocalhostResolves(bool* ipv4, bool* ipv6); 30 31 // Returns true if running with IPv6 only, false otherwise. 32 bool RunningWithIPv6Only(); 33 34 // Returns the IP address of localhost. 35 // If RunningWithIPv6Only() is true, returns the IPv6 address; 36 // otherwise, returns the IPv4 address. 37 absl::string_view LocalIp(); 38 39 // Returns LocalIp() with a port. 40 std::string LocalIpAndPort(int port); 41 42 // Returns the URI of the IP address of localhost with the given port. 43 // If RunningWithIPv6Only() is true, returns the IPv6 address; 44 // otherwise, returns the IPv4 address. 45 std::string LocalIpUri(int port); 46 47 } // namespace grpc_core 48 49 #endif // GRPC_TEST_CORE_UTIL_RESOLVE_LOCALHOST_IP46_H 50