| // |
| // Copyright 2015 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #ifndef GRPC_SRC_CORE_LIB_IOMGR_RESOLVE_ADDRESS_POSIX_H |
| #define GRPC_SRC_CORE_LIB_IOMGR_RESOLVE_ADDRESS_POSIX_H |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include <functional> |
| |
| #include "src/core/lib/iomgr/port.h" |
| #include "src/core/lib/iomgr/resolve_address.h" |
| |
| namespace grpc_core { |
| |
| // A DNS resolver which uses the native platform's getaddrinfo API. |
| class NativeDNSResolver : public DNSResolver { |
| public: |
| NativeDNSResolver() = default; |
| |
| TaskHandle LookupHostname( |
| std::function<void(absl::StatusOr<std::vector<grpc_resolved_address>>)> |
| on_done, |
| absl::string_view name, absl::string_view default_port, Duration timeout, |
| grpc_pollset_set* interested_parties, |
| absl::string_view name_server) override; |
| |
| absl::StatusOr<std::vector<grpc_resolved_address>> LookupHostnameBlocking( |
| absl::string_view name, absl::string_view default_port) override; |
| |
| TaskHandle LookupSRV( |
| std::function<void(absl::StatusOr<std::vector<grpc_resolved_address>>)> |
| on_resolved, |
| absl::string_view name, Duration timeout, |
| grpc_pollset_set* interested_parties, |
| absl::string_view name_server) override; |
| |
| TaskHandle LookupTXT( |
| std::function<void(absl::StatusOr<std::string>)> on_resolved, |
| absl::string_view name, Duration timeout, |
| grpc_pollset_set* interested_parties, |
| absl::string_view name_server) override; |
| |
| // NativeDNSResolver does not support cancellation. |
| bool Cancel(TaskHandle handle) override; |
| }; |
| |
| } // namespace grpc_core |
| |
| #endif // GRPC_SRC_CORE_LIB_IOMGR_RESOLVE_ADDRESS_POSIX_H |