| /* |
| * |
| * Copyright 2016 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 <gtest/gtest.h> |
| |
| #include "google/protobuf/duration.upb.h" |
| #include "upb/upb.hpp" |
| |
| #include <grpc/grpc.h> |
| #include <grpcpp/impl/codegen/config.h> |
| |
| #include "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h" |
| #include "src/core/lib/address_utils/sockaddr_utils.h" |
| #include "src/core/lib/event_engine/sockaddr.h" |
| #include "src/core/lib/iomgr/sockaddr.h" |
| #include "src/proto/grpc/lb/v1/load_balancer.pb.h" // C++ version |
| #include "test/core/util/test_config.h" |
| |
| namespace grpc { |
| namespace { |
| |
| using grpc::lb::v1::LoadBalanceRequest; |
| using grpc::lb::v1::LoadBalanceResponse; |
| |
| class GrpclbTest : public ::testing::Test { |
| protected: |
| static void SetUpTestCase() { grpc_init(); } |
| |
| static void TearDownTestCase() { grpc_shutdown(); } |
| }; |
| |
| std::string Ip4ToPackedString(const char* ip_str) { |
| struct in_addr ip4; |
| GPR_ASSERT(inet_pton(AF_INET, ip_str, &ip4) == 1); |
| return std::string(reinterpret_cast<const char*>(&ip4), sizeof(ip4)); |
| } |
| |
| std::string PackedStringToIp(const grpc_core::GrpcLbServer& server) { |
| char ip_str[46] = {0}; |
| int af = -1; |
| if (server.ip_size == 4) { |
| af = AF_INET; |
| } else if (server.ip_size == 16) { |
| af = AF_INET6; |
| } else { |
| abort(); |
| } |
| GPR_ASSERT(inet_ntop(af, (void*)server.ip_addr, ip_str, 46) != nullptr); |
| return ip_str; |
| } |
| |
| TEST_F(GrpclbTest, CreateRequest) { |
| const std::string service_name = "AServiceName"; |
| LoadBalanceRequest request; |
| upb::Arena arena; |
| grpc_slice slice = |
| grpc_core::GrpcLbRequestCreate(service_name.c_str(), arena.ptr()); |
| const int num_bytes_written = GRPC_SLICE_LENGTH(slice); |
| EXPECT_GT(num_bytes_written, 0); |
| request.ParseFromArray(GRPC_SLICE_START_PTR(slice), num_bytes_written); |
| EXPECT_EQ(request.initial_request().name(), service_name); |
| grpc_slice_unref(slice); |
| } |
| |
| TEST_F(GrpclbTest, ParseInitialResponse) { |
| // Construct response to parse. |
| LoadBalanceResponse response; |
| auto* initial_response = response.mutable_initial_response(); |
| auto* client_stats_report_interval = |
| initial_response->mutable_client_stats_report_interval(); |
| client_stats_report_interval->set_seconds(123); |
| client_stats_report_interval->set_nanos(456000000); |
| const std::string encoded_response = response.SerializeAsString(); |
| grpc_slice encoded_slice = |
| grpc_slice_from_copied_string(encoded_response.c_str()); |
| // Test parsing. |
| grpc_core::GrpcLbResponse resp; |
| upb::Arena arena; |
| ASSERT_TRUE( |
| grpc_core::GrpcLbResponseParse(encoded_slice, arena.ptr(), &resp)); |
| grpc_slice_unref(encoded_slice); |
| EXPECT_EQ(resp.type, resp.INITIAL); |
| EXPECT_EQ(resp.client_stats_report_interval, |
| grpc_core::Duration::Milliseconds(123456)); |
| EXPECT_EQ(resp.serverlist.size(), 0); |
| } |
| |
| TEST_F(GrpclbTest, ParseResponseServerList) { |
| // Construct response to parse. |
| LoadBalanceResponse response; |
| auto* serverlist = response.mutable_server_list(); |
| auto* server = serverlist->add_servers(); |
| server->set_ip_address(Ip4ToPackedString("127.0.0.1")); |
| server->set_port(12345); |
| server->set_load_balance_token("rate_limting"); |
| server->set_drop(true); |
| server = response.mutable_server_list()->add_servers(); |
| server->set_ip_address(Ip4ToPackedString("10.0.0.1")); |
| server->set_port(54321); |
| server->set_load_balance_token("load_balancing"); |
| server->set_drop(true); |
| const std::string encoded_response = response.SerializeAsString(); |
| const grpc_slice encoded_slice = grpc_slice_from_copied_buffer( |
| encoded_response.data(), encoded_response.size()); |
| // Test parsing. |
| grpc_core::GrpcLbResponse resp; |
| upb::Arena arena; |
| ASSERT_TRUE( |
| grpc_core::GrpcLbResponseParse(encoded_slice, arena.ptr(), &resp)); |
| grpc_slice_unref(encoded_slice); |
| EXPECT_EQ(resp.type, resp.SERVERLIST); |
| EXPECT_EQ(resp.serverlist.size(), 2); |
| EXPECT_EQ(PackedStringToIp(resp.serverlist[0]), "127.0.0.1"); |
| EXPECT_EQ(resp.serverlist[0].port, 12345); |
| EXPECT_STREQ(resp.serverlist[0].load_balance_token, "rate_limting"); |
| EXPECT_TRUE(resp.serverlist[0].drop); |
| EXPECT_EQ(PackedStringToIp(resp.serverlist[1]), "10.0.0.1"); |
| EXPECT_EQ(resp.serverlist[1].port, 54321); |
| EXPECT_STREQ(resp.serverlist[1].load_balance_token, "load_balancing"); |
| EXPECT_TRUE(resp.serverlist[1].drop); |
| } |
| |
| } // namespace |
| } // namespace grpc |
| |
| int main(int argc, char** argv) { |
| grpc::testing::TestEnvironment env(argc, argv); |
| ::testing::InitGoogleTest(&argc, argv); |
| int ret = RUN_ALL_TESTS(); |
| return ret; |
| } |