1 // Copyright 2022 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 #ifndef GRPC_SRC_CORE_LIB_EVENT_ENGINE_UTILS_H 15 #define GRPC_SRC_CORE_LIB_EVENT_ENGINE_UTILS_H 16 17 #include <grpc/event_engine/event_engine.h> 18 #include <grpc/support/port_platform.h> 19 #include <stdint.h> 20 21 #include <string> 22 #include <vector> 23 24 #include "absl/status/statusor.h" 25 #include "absl/strings/string_view.h" 26 #include "src/core/util/time.h" 27 28 namespace grpc_event_engine { 29 namespace experimental { 30 31 std::string HandleToStringInternal(uintptr_t a, uintptr_t b); 32 33 // Returns a string representation of the EventEngine::*Handle types 34 template <typename Handle> HandleToString(const Handle & handle)35std::string HandleToString(const Handle& handle) { 36 return HandleToStringInternal(handle.keys[0], handle.keys[1]); 37 } 38 39 grpc_core::Timestamp ToTimestamp(grpc_core::Timestamp now, 40 EventEngine::Duration delta); 41 42 absl::StatusOr<std::vector<EventEngine::ResolvedAddress>> 43 LookupHostnameBlocking(EventEngine::DNSResolver* dns_resolver, 44 absl::string_view name, absl::string_view default_port); 45 46 } // namespace experimental 47 } // namespace grpc_event_engine 48 49 #endif // GRPC_SRC_CORE_LIB_EVENT_ENGINE_UTILS_H 50