| /* |
| * |
| * 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. |
| * |
| */ |
| |
| #include <string.h> |
| |
| #include <grpc/grpc.h> |
| #include <grpc/support/log.h> |
| |
| #include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h" |
| #include "src/core/ext/filters/client_channel/resolver/dns/dns_resolver_selection.h" |
| #include "src/core/lib/config/core_configuration.h" |
| #include "src/core/lib/gpr/string.h" |
| #include "src/core/lib/gprpp/memory.h" |
| #include "src/core/lib/iomgr/work_serializer.h" |
| #include "src/core/lib/resolver/resolver_registry.h" |
| #include "test/core/util/test_config.h" |
| |
| static std::shared_ptr<grpc_core::WorkSerializer>* g_work_serializer; |
| |
| class TestResultHandler : public grpc_core::Resolver::ResultHandler { |
| void ReportResult(grpc_core::Resolver::Result /*result*/) override {} |
| }; |
| |
| static void test_succeeds(grpc_core::ResolverFactory* factory, |
| const char* string) { |
| gpr_log(GPR_DEBUG, "test: '%s' should be valid for '%s'", string, |
| std::string(factory->scheme()).c_str()); |
| grpc_core::ExecCtx exec_ctx; |
| absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(string); |
| if (!uri.ok()) { |
| gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str()); |
| GPR_ASSERT(uri.ok()); |
| } |
| grpc_core::ResolverArgs args; |
| args.uri = std::move(*uri); |
| args.work_serializer = *g_work_serializer; |
| args.result_handler = absl::make_unique<TestResultHandler>(); |
| grpc_core::OrphanablePtr<grpc_core::Resolver> resolver = |
| factory->CreateResolver(std::move(args)); |
| GPR_ASSERT(resolver != nullptr); |
| } |
| |
| static void test_fails(grpc_core::ResolverFactory* factory, |
| const char* string) { |
| gpr_log(GPR_DEBUG, "test: '%s' should be invalid for '%s'", string, |
| std::string(factory->scheme()).c_str()); |
| grpc_core::ExecCtx exec_ctx; |
| absl::StatusOr<grpc_core::URI> uri = grpc_core::URI::Parse(string); |
| if (!uri.ok()) { |
| gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str()); |
| GPR_ASSERT(uri.ok()); |
| } |
| grpc_core::ResolverArgs args; |
| args.uri = std::move(*uri); |
| args.work_serializer = *g_work_serializer; |
| args.result_handler = absl::make_unique<TestResultHandler>(); |
| grpc_core::OrphanablePtr<grpc_core::Resolver> resolver = |
| factory->CreateResolver(std::move(args)); |
| GPR_ASSERT(resolver == nullptr); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc::testing::TestEnvironment env(argc, argv); |
| grpc_init(); |
| |
| auto work_serializer = std::make_shared<grpc_core::WorkSerializer>(); |
| g_work_serializer = &work_serializer; |
| |
| grpc_core::ResolverFactory* dns = grpc_core::CoreConfiguration::Get() |
| .resolver_registry() |
| .LookupResolverFactory("dns"); |
| |
| test_succeeds(dns, "dns:10.2.1.1"); |
| test_succeeds(dns, "dns:10.2.1.1:1234"); |
| test_succeeds(dns, "dns:www.google.com"); |
| test_succeeds(dns, "dns:///www.google.com"); |
| grpc_core::UniquePtr<char> resolver = |
| GPR_GLOBAL_CONFIG_GET(grpc_dns_resolver); |
| if (gpr_stricmp(resolver.get(), "native") == 0) { |
| test_fails(dns, "dns://8.8.8.8/8.8.8.8:8888"); |
| } else { |
| test_succeeds(dns, "dns://8.8.8.8/8.8.8.8:8888"); |
| } |
| grpc_shutdown(); |
| |
| return 0; |
| } |