1 // Copyright 2023 The gRPC Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef GRPC_SRC_CORE_LIB_EVENT_ENGINE_REF_COUNTED_DNS_RESOLVER_INTERFACE_H 16 #define GRPC_SRC_CORE_LIB_EVENT_ENGINE_REF_COUNTED_DNS_RESOLVER_INTERFACE_H 17 18 #include <grpc/event_engine/event_engine.h> 19 #include <grpc/support/port_platform.h> 20 #include <stdint.h> 21 22 #include "absl/strings/string_view.h" 23 #include "src/core/util/orphanable.h" 24 25 namespace grpc_event_engine { 26 namespace experimental { 27 28 class RefCountedDNSResolverInterface 29 : public grpc_core::InternallyRefCounted<RefCountedDNSResolverInterface> { 30 public: 31 explicit RefCountedDNSResolverInterface(const char* trace = nullptr, 32 intptr_t initial_refcount = 1) 33 : grpc_core::InternallyRefCounted<RefCountedDNSResolverInterface>( 34 trace, initial_refcount) {} 35 36 virtual void LookupHostname( 37 EventEngine::DNSResolver::LookupHostnameCallback on_resolved, 38 absl::string_view name, absl::string_view default_port) = 0; 39 40 virtual void LookupSRV( 41 EventEngine::DNSResolver::LookupSRVCallback on_resolved, 42 absl::string_view name) = 0; 43 44 virtual void LookupTXT( 45 EventEngine::DNSResolver::LookupTXTCallback on_resolved, 46 absl::string_view name) = 0; 47 }; 48 49 } // namespace experimental 50 } // namespace grpc_event_engine 51 52 #endif // GRPC_SRC_CORE_LIB_EVENT_ENGINE_REF_COUNTED_DNS_RESOLVER_INTERFACE_H 53