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@ -16,6 +16,7 @@ |
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* |
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*/ |
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#include <algorithm> |
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#include <functional> |
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#include <mutex> |
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#include <sstream> |
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@ -35,9 +36,11 @@ |
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#include "src/proto/grpc/testing/echo.grpc.pb.h" |
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#include "test/core/util/port.h" |
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#include "test/core/util/test_config.h" |
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#include "test/cpp/end2end/interceptors_util.h" |
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#include "test/cpp/end2end/test_service_impl.h" |
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#include "test/cpp/util/byte_buffer_proto_helper.h" |
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#include "test/cpp/util/string_ref_helper.h" |
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#include "test/cpp/util/test_credentials_provider.h" |
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#include <gtest/gtest.h> |
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@ -60,11 +63,17 @@ enum class Protocol { INPROC, TCP }; |
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class TestScenario { |
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public: |
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TestScenario(bool serve_callback, Protocol protocol) |
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: callback_server(serve_callback), protocol(protocol) {} |
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TestScenario(bool serve_callback, Protocol protocol, bool intercept, |
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const grpc::string& creds_type) |
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: callback_server(serve_callback), |
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protocol(protocol), |
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use_interceptors(intercept), |
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credentials_type(creds_type) {} |
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void Log() const; |
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bool callback_server; |
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Protocol protocol; |
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bool use_interceptors; |
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const grpc::string credentials_type; |
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}; |
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static std::ostream& operator<<(std::ostream& out, |
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@ -87,15 +96,18 @@ class ClientCallbackEnd2endTest |
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void SetUp() override { |
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ServerBuilder builder; |
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auto server_creds = GetCredentialsProvider()->GetServerCredentials( |
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GetParam().credentials_type); |
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// TODO(vjpai): Support testing of AuthMetadataProcessor
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if (GetParam().protocol == Protocol::TCP) { |
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if (!grpc_iomgr_run_in_background()) { |
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do_not_test_ = true; |
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return; |
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} |
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int port = grpc_pick_unused_port_or_die(); |
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server_address_ << "localhost:" << port; |
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builder.AddListeningPort(server_address_.str(), |
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InsecureServerCredentials()); |
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picked_port_ = grpc_pick_unused_port_or_die(); |
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server_address_ << "localhost:" << picked_port_; |
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builder.AddListeningPort(server_address_.str(), server_creds); |
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} |
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if (!GetParam().callback_server) { |
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builder.RegisterService(&service_); |
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@ -103,31 +115,61 @@ class ClientCallbackEnd2endTest |
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builder.RegisterService(&callback_service_); |
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} |
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if (GetParam().use_interceptors) { |
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std::vector< |
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std::unique_ptr<experimental::ServerInterceptorFactoryInterface>> |
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creators; |
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// Add 20 dummy server interceptors
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creators.reserve(20); |
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for (auto i = 0; i < 20; i++) { |
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creators.push_back(std::unique_ptr<DummyInterceptorFactory>( |
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new DummyInterceptorFactory())); |
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} |
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builder.experimental().SetInterceptorCreators(std::move(creators)); |
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} |
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server_ = builder.BuildAndStart(); |
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is_server_started_ = true; |
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} |
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void ResetStub() { |
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ChannelArguments args; |
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auto channel_creds = GetCredentialsProvider()->GetChannelCredentials( |
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GetParam().credentials_type, &args); |
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switch (GetParam().protocol) { |
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case Protocol::TCP: |
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channel_ = |
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CreateChannel(server_address_.str(), InsecureChannelCredentials()); |
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if (!GetParam().use_interceptors) { |
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channel_ = |
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CreateCustomChannel(server_address_.str(), channel_creds, args); |
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} else { |
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channel_ = CreateCustomChannelWithInterceptors( |
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server_address_.str(), channel_creds, args, |
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CreateDummyClientInterceptors()); |
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} |
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break; |
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case Protocol::INPROC: |
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channel_ = server_->InProcessChannel(args); |
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if (!GetParam().use_interceptors) { |
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channel_ = server_->InProcessChannel(args); |
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} else { |
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channel_ = server_->experimental().InProcessChannelWithInterceptors( |
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args, CreateDummyClientInterceptors()); |
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} |
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break; |
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default: |
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assert(false); |
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} |
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stub_ = grpc::testing::EchoTestService::NewStub(channel_); |
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generic_stub_.reset(new GenericStub(channel_)); |
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DummyInterceptor::Reset(); |
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} |
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void TearDown() override { |
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if (is_server_started_) { |
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server_->Shutdown(); |
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} |
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if (picked_port_ > 0) { |
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grpc_recycle_unused_port(picked_port_); |
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} |
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} |
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void SendRpcs(int num_rpcs, bool with_binary_metadata) { |
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@ -178,6 +220,36 @@ class ClientCallbackEnd2endTest |
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} |
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} |
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void SendRpcsRawReq(int num_rpcs) { |
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grpc::string test_string("Hello raw world."); |
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EchoRequest request; |
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request.set_message(test_string); |
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std::unique_ptr<ByteBuffer> send_buf = SerializeToByteBuffer(&request); |
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for (int i = 0; i < num_rpcs; i++) { |
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EchoResponse response; |
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ClientContext cli_ctx; |
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std::mutex mu; |
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std::condition_variable cv; |
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bool done = false; |
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stub_->experimental_async()->Echo( |
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&cli_ctx, send_buf.get(), &response, |
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[&request, &response, &done, &mu, &cv](Status s) { |
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GPR_ASSERT(s.ok()); |
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EXPECT_EQ(request.message(), response.message()); |
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std::lock_guard<std::mutex> l(mu); |
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done = true; |
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cv.notify_one(); |
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}); |
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std::unique_lock<std::mutex> l(mu); |
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while (!done) { |
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cv.wait(l); |
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} |
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} |
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} |
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void SendRpcsGeneric(int num_rpcs, bool maybe_except) { |
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const grpc::string kMethodName("/grpc.testing.EchoTestService/Echo"); |
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grpc::string test_string(""); |
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@ -283,6 +355,7 @@ class ClientCallbackEnd2endTest |
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} |
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bool do_not_test_{false}; |
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bool is_server_started_{false}; |
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int picked_port_{0}; |
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std::shared_ptr<Channel> channel_; |
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std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_; |
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std::unique_ptr<grpc::GenericStub> generic_stub_; |
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@ -304,6 +377,12 @@ TEST_P(ClientCallbackEnd2endTest, SequentialRpcs) { |
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SendRpcs(10, false); |
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} |
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TEST_P(ClientCallbackEnd2endTest, SequentialRpcsRawReq) { |
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MAYBE_SKIP_TEST; |
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ResetStub(); |
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SendRpcsRawReq(10); |
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} |
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TEST_P(ClientCallbackEnd2endTest, SendClientInitialMetadata) { |
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MAYBE_SKIP_TEST; |
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ResetStub(); |
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@ -419,136 +498,569 @@ TEST_P(ClientCallbackEnd2endTest, CancelRpcBeforeStart) { |
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while (!done) { |
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cv.wait(l); |
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} |
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if (GetParam().use_interceptors) { |
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EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
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} |
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} |
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TEST_P(ClientCallbackEnd2endTest, RequestStream) { |
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TEST_P(ClientCallbackEnd2endTest, RequestEchoServerCancel) { |
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MAYBE_SKIP_TEST; |
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ResetStub(); |
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class Client : public grpc::experimental::ClientWriteReactor<EchoRequest> { |
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public: |
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explicit Client(grpc::testing::EchoTestService::Stub* stub) { |
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context_.set_initial_metadata_corked(true); |
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stub->experimental_async()->RequestStream(&context_, &response_, this); |
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StartCall(); |
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request_.set_message("Hello server."); |
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StartWrite(&request_); |
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EchoRequest request; |
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EchoResponse response; |
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ClientContext context; |
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request.set_message("hello"); |
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context.AddMetadata(kServerTryCancelRequest, |
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grpc::to_string(CANCEL_BEFORE_PROCESSING)); |
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std::mutex mu; |
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std::condition_variable cv; |
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bool done = false; |
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stub_->experimental_async()->Echo( |
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&context, &request, &response, [&done, &mu, &cv](Status s) { |
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EXPECT_FALSE(s.ok()); |
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EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code()); |
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std::lock_guard<std::mutex> l(mu); |
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done = true; |
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cv.notify_one(); |
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}); |
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std::unique_lock<std::mutex> l(mu); |
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while (!done) { |
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cv.wait(l); |
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} |
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} |
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struct ClientCancelInfo { |
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bool cancel{false}; |
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int ops_before_cancel; |
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ClientCancelInfo() : cancel{false} {} |
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// Allow the single-op version to be non-explicit for ease of use
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ClientCancelInfo(int ops) : cancel{true}, ops_before_cancel{ops} {} |
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}; |
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class WriteClient : public grpc::experimental::ClientWriteReactor<EchoRequest> { |
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public: |
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WriteClient(grpc::testing::EchoTestService::Stub* stub, |
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ServerTryCancelRequestPhase server_try_cancel, |
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int num_msgs_to_send, ClientCancelInfo client_cancel = {}) |
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: server_try_cancel_(server_try_cancel), |
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num_msgs_to_send_(num_msgs_to_send), |
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client_cancel_{client_cancel} { |
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grpc::string msg{"Hello server."}; |
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for (int i = 0; i < num_msgs_to_send; i++) { |
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desired_ += msg; |
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} |
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void OnWriteDone(bool ok) override { |
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writes_left_--; |
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if (writes_left_ > 1) { |
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StartWrite(&request_); |
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} else if (writes_left_ == 1) { |
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StartWriteLast(&request_, WriteOptions()); |
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} |
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if (server_try_cancel != DO_NOT_CANCEL) { |
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// Send server_try_cancel value in the client metadata
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context_.AddMetadata(kServerTryCancelRequest, |
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grpc::to_string(server_try_cancel)); |
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} |
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void OnDone(const Status& s) override { |
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context_.set_initial_metadata_corked(true); |
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stub->experimental_async()->RequestStream(&context_, &response_, this); |
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StartCall(); |
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request_.set_message(msg); |
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MaybeWrite(); |
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} |
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void OnWriteDone(bool ok) override { |
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if (ok) { |
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num_msgs_sent_++; |
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MaybeWrite(); |
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} |
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} |
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void OnDone(const Status& s) override { |
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gpr_log(GPR_INFO, "Sent %d messages", num_msgs_sent_); |
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int num_to_send = |
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(client_cancel_.cancel) |
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? std::min(num_msgs_to_send_, client_cancel_.ops_before_cancel) |
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: num_msgs_to_send_; |
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switch (server_try_cancel_) { |
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case CANCEL_BEFORE_PROCESSING: |
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case CANCEL_DURING_PROCESSING: |
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// If the RPC is canceled by server before / during messages from the
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// client, it means that the client most likely did not get a chance to
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// send all the messages it wanted to send. i.e num_msgs_sent <=
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// num_msgs_to_send
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EXPECT_LE(num_msgs_sent_, num_to_send); |
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break; |
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case DO_NOT_CANCEL: |
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case CANCEL_AFTER_PROCESSING: |
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// If the RPC was not canceled or canceled after all messages were read
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// by the server, the client did get a chance to send all its messages
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EXPECT_EQ(num_msgs_sent_, num_to_send); |
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break; |
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default: |
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assert(false); |
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break; |
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} |
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if ((server_try_cancel_ == DO_NOT_CANCEL) && !client_cancel_.cancel) { |
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EXPECT_TRUE(s.ok()); |
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EXPECT_EQ(response_.message(), "Hello server.Hello server.Hello server."); |
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std::unique_lock<std::mutex> l(mu_); |
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done_ = true; |
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cv_.notify_one(); |
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EXPECT_EQ(response_.message(), desired_); |
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} else { |
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EXPECT_FALSE(s.ok()); |
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EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code()); |
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} |
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void Await() { |
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std::unique_lock<std::mutex> l(mu_); |
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while (!done_) { |
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cv_.wait(l); |
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} |
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std::unique_lock<std::mutex> l(mu_); |
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done_ = true; |
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cv_.notify_one(); |
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} |
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void Await() { |
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std::unique_lock<std::mutex> l(mu_); |
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while (!done_) { |
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cv_.wait(l); |
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} |
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} |
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private: |
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EchoRequest request_; |
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EchoResponse response_; |
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ClientContext context_; |
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int writes_left_{3}; |
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std::mutex mu_; |
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std::condition_variable cv_; |
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bool done_ = false; |
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} test{stub_.get()}; |
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private: |
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void MaybeWrite() { |
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if (client_cancel_.cancel && |
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num_msgs_sent_ == client_cancel_.ops_before_cancel) { |
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context_.TryCancel(); |
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} else if (num_msgs_to_send_ > num_msgs_sent_ + 1) { |
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StartWrite(&request_); |
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} else if (num_msgs_to_send_ == num_msgs_sent_ + 1) { |
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StartWriteLast(&request_, WriteOptions()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
EchoRequest request_; |
|
|
|
|
EchoResponse response_; |
|
|
|
|
ClientContext context_; |
|
|
|
|
const ServerTryCancelRequestPhase server_try_cancel_; |
|
|
|
|
int num_msgs_sent_{0}; |
|
|
|
|
const int num_msgs_to_send_; |
|
|
|
|
grpc::string desired_; |
|
|
|
|
const ClientCancelInfo client_cancel_; |
|
|
|
|
std::mutex mu_; |
|
|
|
|
std::condition_variable cv_; |
|
|
|
|
bool done_ = false; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, RequestStream) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
WriteClient test{stub_.get(), DO_NOT_CANCEL, 3}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were not notified to cancel
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(0, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, ResponseStream) { |
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, ClientCancelsRequestStream) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
class Client : public grpc::experimental::ClientReadReactor<EchoResponse> { |
|
|
|
|
public: |
|
|
|
|
explicit Client(grpc::testing::EchoTestService::Stub* stub) { |
|
|
|
|
request_.set_message("Hello client "); |
|
|
|
|
stub->experimental_async()->ResponseStream(&context_, &request_, this); |
|
|
|
|
StartCall(); |
|
|
|
|
StartRead(&response_); |
|
|
|
|
WriteClient test{stub_.get(), DO_NOT_CANCEL, 3, {2}}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors got the cancel
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Server to cancel before doing reading the request
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, RequestStreamServerCancelBeforeReads) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
WriteClient test{stub_.get(), CANCEL_BEFORE_PROCESSING, 1}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Server to cancel while reading a request from the stream in parallel
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, RequestStreamServerCancelDuringRead) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
WriteClient test{stub_.get(), CANCEL_DURING_PROCESSING, 10}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Server to cancel after reading all the requests but before returning to the
|
|
|
|
|
// client
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, RequestStreamServerCancelAfterReads) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
WriteClient test{stub_.get(), CANCEL_AFTER_PROCESSING, 4}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
class ReadClient : public grpc::experimental::ClientReadReactor<EchoResponse> { |
|
|
|
|
public: |
|
|
|
|
ReadClient(grpc::testing::EchoTestService::Stub* stub, |
|
|
|
|
ServerTryCancelRequestPhase server_try_cancel, |
|
|
|
|
ClientCancelInfo client_cancel = {}) |
|
|
|
|
: server_try_cancel_(server_try_cancel), client_cancel_{client_cancel} { |
|
|
|
|
if (server_try_cancel_ != DO_NOT_CANCEL) { |
|
|
|
|
// Send server_try_cancel value in the client metadata
|
|
|
|
|
context_.AddMetadata(kServerTryCancelRequest, |
|
|
|
|
grpc::to_string(server_try_cancel)); |
|
|
|
|
} |
|
|
|
|
void OnReadDone(bool ok) override { |
|
|
|
|
if (!ok) { |
|
|
|
|
request_.set_message("Hello client "); |
|
|
|
|
stub->experimental_async()->ResponseStream(&context_, &request_, this); |
|
|
|
|
if (client_cancel_.cancel && |
|
|
|
|
reads_complete_ == client_cancel_.ops_before_cancel) { |
|
|
|
|
context_.TryCancel(); |
|
|
|
|
} |
|
|
|
|
// Even if we cancel, read until failure because there might be responses
|
|
|
|
|
// pending
|
|
|
|
|
StartRead(&response_); |
|
|
|
|
StartCall(); |
|
|
|
|
} |
|
|
|
|
void OnReadDone(bool ok) override { |
|
|
|
|
if (!ok) { |
|
|
|
|
if (server_try_cancel_ == DO_NOT_CANCEL && !client_cancel_.cancel) { |
|
|
|
|
EXPECT_EQ(reads_complete_, kServerDefaultResponseStreamsToSend); |
|
|
|
|
} else { |
|
|
|
|
EXPECT_LE(reads_complete_, kServerDefaultResponseStreamsToSend); |
|
|
|
|
EXPECT_EQ(response_.message(), |
|
|
|
|
request_.message() + grpc::to_string(reads_complete_)); |
|
|
|
|
reads_complete_++; |
|
|
|
|
StartRead(&response_); |
|
|
|
|
} |
|
|
|
|
} else { |
|
|
|
|
EXPECT_LE(reads_complete_, kServerDefaultResponseStreamsToSend); |
|
|
|
|
EXPECT_EQ(response_.message(), |
|
|
|
|
request_.message() + grpc::to_string(reads_complete_)); |
|
|
|
|
reads_complete_++; |
|
|
|
|
if (client_cancel_.cancel && |
|
|
|
|
reads_complete_ == client_cancel_.ops_before_cancel) { |
|
|
|
|
context_.TryCancel(); |
|
|
|
|
} |
|
|
|
|
// Even if we cancel, read until failure because there might be responses
|
|
|
|
|
// pending
|
|
|
|
|
StartRead(&response_); |
|
|
|
|
} |
|
|
|
|
void OnDone(const Status& s) override { |
|
|
|
|
EXPECT_TRUE(s.ok()); |
|
|
|
|
std::unique_lock<std::mutex> l(mu_); |
|
|
|
|
done_ = true; |
|
|
|
|
cv_.notify_one(); |
|
|
|
|
} |
|
|
|
|
void OnDone(const Status& s) override { |
|
|
|
|
gpr_log(GPR_INFO, "Read %d messages", reads_complete_); |
|
|
|
|
switch (server_try_cancel_) { |
|
|
|
|
case DO_NOT_CANCEL: |
|
|
|
|
if (!client_cancel_.cancel || client_cancel_.ops_before_cancel > |
|
|
|
|
kServerDefaultResponseStreamsToSend) { |
|
|
|
|
EXPECT_TRUE(s.ok()); |
|
|
|
|
EXPECT_EQ(reads_complete_, kServerDefaultResponseStreamsToSend); |
|
|
|
|
} else { |
|
|
|
|
EXPECT_GE(reads_complete_, client_cancel_.ops_before_cancel); |
|
|
|
|
EXPECT_LE(reads_complete_, kServerDefaultResponseStreamsToSend); |
|
|
|
|
// Status might be ok or cancelled depending on whether server
|
|
|
|
|
// sent status before client cancel went through
|
|
|
|
|
if (!s.ok()) { |
|
|
|
|
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
break; |
|
|
|
|
case CANCEL_BEFORE_PROCESSING: |
|
|
|
|
EXPECT_FALSE(s.ok()); |
|
|
|
|
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code()); |
|
|
|
|
EXPECT_EQ(reads_complete_, 0); |
|
|
|
|
break; |
|
|
|
|
case CANCEL_DURING_PROCESSING: |
|
|
|
|
case CANCEL_AFTER_PROCESSING: |
|
|
|
|
// If server canceled while writing messages, client must have read
|
|
|
|
|
// less than or equal to the expected number of messages. Even if the
|
|
|
|
|
// server canceled after writing all messages, the RPC may be canceled
|
|
|
|
|
// before the Client got a chance to read all the messages.
|
|
|
|
|
EXPECT_FALSE(s.ok()); |
|
|
|
|
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code()); |
|
|
|
|
EXPECT_LE(reads_complete_, kServerDefaultResponseStreamsToSend); |
|
|
|
|
break; |
|
|
|
|
default: |
|
|
|
|
assert(false); |
|
|
|
|
} |
|
|
|
|
void Await() { |
|
|
|
|
std::unique_lock<std::mutex> l(mu_); |
|
|
|
|
while (!done_) { |
|
|
|
|
cv_.wait(l); |
|
|
|
|
} |
|
|
|
|
std::unique_lock<std::mutex> l(mu_); |
|
|
|
|
done_ = true; |
|
|
|
|
cv_.notify_one(); |
|
|
|
|
} |
|
|
|
|
void Await() { |
|
|
|
|
std::unique_lock<std::mutex> l(mu_); |
|
|
|
|
while (!done_) { |
|
|
|
|
cv_.wait(l); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
private: |
|
|
|
|
EchoRequest request_; |
|
|
|
|
EchoResponse response_; |
|
|
|
|
ClientContext context_; |
|
|
|
|
int reads_complete_{0}; |
|
|
|
|
std::mutex mu_; |
|
|
|
|
std::condition_variable cv_; |
|
|
|
|
bool done_ = false; |
|
|
|
|
} test{stub_.get()}; |
|
|
|
|
private: |
|
|
|
|
EchoRequest request_; |
|
|
|
|
EchoResponse response_; |
|
|
|
|
ClientContext context_; |
|
|
|
|
const ServerTryCancelRequestPhase server_try_cancel_; |
|
|
|
|
int reads_complete_{0}; |
|
|
|
|
const ClientCancelInfo client_cancel_; |
|
|
|
|
std::mutex mu_; |
|
|
|
|
std::condition_variable cv_; |
|
|
|
|
bool done_ = false; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, ResponseStream) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
ReadClient test{stub_.get(), DO_NOT_CANCEL}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were not notified of a cancel
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(0, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, ClientCancelsResponseStream) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
ReadClient test{stub_.get(), DO_NOT_CANCEL, 2}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Because cancel in this case races with server finish, we can't be sure that
|
|
|
|
|
// server interceptors even see cancellation
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Server to cancel before sending any response messages
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, ResponseStreamServerCancelBefore) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
ReadClient test{stub_.get(), CANCEL_BEFORE_PROCESSING}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Server to cancel while writing a response to the stream in parallel
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, ResponseStreamServerCancelDuring) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
ReadClient test{stub_.get(), CANCEL_DURING_PROCESSING}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Server to cancel after writing all the respones to the stream but before
|
|
|
|
|
// returning to the client
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, ResponseStreamServerCancelAfter) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
ReadClient test{stub_.get(), CANCEL_AFTER_PROCESSING}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
class BidiClient |
|
|
|
|
: public grpc::experimental::ClientBidiReactor<EchoRequest, EchoResponse> { |
|
|
|
|
public: |
|
|
|
|
BidiClient(grpc::testing::EchoTestService::Stub* stub, |
|
|
|
|
ServerTryCancelRequestPhase server_try_cancel, |
|
|
|
|
int num_msgs_to_send, ClientCancelInfo client_cancel = {}) |
|
|
|
|
: server_try_cancel_(server_try_cancel), |
|
|
|
|
msgs_to_send_{num_msgs_to_send}, |
|
|
|
|
client_cancel_{client_cancel} { |
|
|
|
|
if (server_try_cancel_ != DO_NOT_CANCEL) { |
|
|
|
|
// Send server_try_cancel value in the client metadata
|
|
|
|
|
context_.AddMetadata(kServerTryCancelRequest, |
|
|
|
|
grpc::to_string(server_try_cancel)); |
|
|
|
|
} |
|
|
|
|
request_.set_message("Hello fren "); |
|
|
|
|
stub->experimental_async()->BidiStream(&context_, this); |
|
|
|
|
MaybeWrite(); |
|
|
|
|
StartRead(&response_); |
|
|
|
|
StartCall(); |
|
|
|
|
} |
|
|
|
|
void OnReadDone(bool ok) override { |
|
|
|
|
if (!ok) { |
|
|
|
|
if (server_try_cancel_ == DO_NOT_CANCEL) { |
|
|
|
|
if (!client_cancel_.cancel) { |
|
|
|
|
EXPECT_EQ(reads_complete_, msgs_to_send_); |
|
|
|
|
} else { |
|
|
|
|
EXPECT_LE(reads_complete_, writes_complete_); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} else { |
|
|
|
|
EXPECT_LE(reads_complete_, msgs_to_send_); |
|
|
|
|
EXPECT_EQ(response_.message(), request_.message()); |
|
|
|
|
reads_complete_++; |
|
|
|
|
StartRead(&response_); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
void OnWriteDone(bool ok) override { |
|
|
|
|
if (server_try_cancel_ == DO_NOT_CANCEL) { |
|
|
|
|
EXPECT_TRUE(ok); |
|
|
|
|
} else if (!ok) { |
|
|
|
|
return; |
|
|
|
|
} |
|
|
|
|
writes_complete_++; |
|
|
|
|
MaybeWrite(); |
|
|
|
|
} |
|
|
|
|
void OnDone(const Status& s) override { |
|
|
|
|
gpr_log(GPR_INFO, "Sent %d messages", writes_complete_); |
|
|
|
|
gpr_log(GPR_INFO, "Read %d messages", reads_complete_); |
|
|
|
|
switch (server_try_cancel_) { |
|
|
|
|
case DO_NOT_CANCEL: |
|
|
|
|
if (!client_cancel_.cancel || |
|
|
|
|
client_cancel_.ops_before_cancel > msgs_to_send_) { |
|
|
|
|
EXPECT_TRUE(s.ok()); |
|
|
|
|
EXPECT_EQ(writes_complete_, msgs_to_send_); |
|
|
|
|
EXPECT_EQ(reads_complete_, writes_complete_); |
|
|
|
|
} else { |
|
|
|
|
EXPECT_FALSE(s.ok()); |
|
|
|
|
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code()); |
|
|
|
|
EXPECT_EQ(writes_complete_, client_cancel_.ops_before_cancel); |
|
|
|
|
EXPECT_LE(reads_complete_, writes_complete_); |
|
|
|
|
} |
|
|
|
|
break; |
|
|
|
|
case CANCEL_BEFORE_PROCESSING: |
|
|
|
|
EXPECT_FALSE(s.ok()); |
|
|
|
|
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code()); |
|
|
|
|
// The RPC is canceled before the server did any work or returned any
|
|
|
|
|
// reads, but it's possible that some writes took place first from the
|
|
|
|
|
// client
|
|
|
|
|
EXPECT_LE(writes_complete_, msgs_to_send_); |
|
|
|
|
EXPECT_EQ(reads_complete_, 0); |
|
|
|
|
break; |
|
|
|
|
case CANCEL_DURING_PROCESSING: |
|
|
|
|
EXPECT_FALSE(s.ok()); |
|
|
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|
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code()); |
|
|
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|
EXPECT_LE(writes_complete_, msgs_to_send_); |
|
|
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|
EXPECT_LE(reads_complete_, writes_complete_); |
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|
break; |
|
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|
case CANCEL_AFTER_PROCESSING: |
|
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|
EXPECT_FALSE(s.ok()); |
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|
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code()); |
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|
EXPECT_EQ(writes_complete_, msgs_to_send_); |
|
|
|
|
// The Server canceled after reading the last message and after writing
|
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|
|
|
// the message to the client. However, the RPC cancellation might have
|
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|
|
|
// taken effect before the client actually read the response.
|
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|
|
|
EXPECT_LE(reads_complete_, writes_complete_); |
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|
break; |
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|
default: |
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|
assert(false); |
|
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|
|
} |
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|
std::unique_lock<std::mutex> l(mu_); |
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|
done_ = true; |
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|
cv_.notify_one(); |
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|
} |
|
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|
void Await() { |
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std::unique_lock<std::mutex> l(mu_); |
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|
while (!done_) { |
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|
cv_.wait(l); |
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|
} |
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} |
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private: |
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|
void MaybeWrite() { |
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|
if (client_cancel_.cancel && |
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|
writes_complete_ == client_cancel_.ops_before_cancel) { |
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|
context_.TryCancel(); |
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|
} else if (writes_complete_ == msgs_to_send_) { |
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|
StartWritesDone(); |
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|
} else { |
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|
StartWrite(&request_); |
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|
} |
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|
} |
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|
EchoRequest request_; |
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EchoResponse response_; |
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|
ClientContext context_; |
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|
const ServerTryCancelRequestPhase server_try_cancel_; |
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|
int reads_complete_{0}; |
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|
int writes_complete_{0}; |
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|
const int msgs_to_send_; |
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|
const ClientCancelInfo client_cancel_; |
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|
std::mutex mu_; |
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|
std::condition_variable cv_; |
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|
bool done_ = false; |
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|
|
}; |
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|
|
TEST_P(ClientCallbackEnd2endTest, BidiStream) { |
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|
|
MAYBE_SKIP_TEST; |
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|
|
ResetStub(); |
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|
|
BidiClient test{stub_.get(), DO_NOT_CANCEL, |
|
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|
|
kServerDefaultResponseStreamsToSend}; |
|
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|
|
test.Await(); |
|
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|
|
// Make sure that the server interceptors were not notified of a cancel
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(0, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
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|
|
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|
|
|
TEST_P(ClientCallbackEnd2endTest, ClientCancelsBidiStream) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
BidiClient test{stub_.get(), DO_NOT_CANCEL, |
|
|
|
|
kServerDefaultResponseStreamsToSend, 2}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified of a cancel
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Server to cancel before reading/writing any requests/responses on the stream
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, BidiStreamServerCancelBefore) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
BidiClient test{stub_.get(), CANCEL_BEFORE_PROCESSING, 2}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Server to cancel while reading/writing requests/responses on the stream in
|
|
|
|
|
// parallel
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, BidiStreamServerCancelDuring) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
BidiClient test{stub_.get(), CANCEL_DURING_PROCESSING, 10}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Server to cancel after reading/writing all requests/responses on the stream
|
|
|
|
|
// but before returning to the client
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, BidiStreamServerCancelAfter) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
BidiClient test{stub_.get(), CANCEL_AFTER_PROCESSING, 5}; |
|
|
|
|
test.Await(); |
|
|
|
|
// Make sure that the server interceptors were notified
|
|
|
|
|
if (GetParam().use_interceptors) { |
|
|
|
|
EXPECT_EQ(20, DummyInterceptor::GetNumTimesCancel()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
TEST_P(ClientCallbackEnd2endTest, SimultaneousReadAndWritesDone) { |
|
|
|
|
MAYBE_SKIP_TEST; |
|
|
|
|
ResetStub(); |
|
|
|
|
class Client : public grpc::experimental::ClientBidiReactor<EchoRequest, |
|
|
|
|
EchoResponse> { |
|
|
|
|
public: |
|
|
|
|
explicit Client(grpc::testing::EchoTestService::Stub* stub) { |
|
|
|
|
request_.set_message("Hello fren "); |
|
|
|
|
Client(grpc::testing::EchoTestService::Stub* stub) { |
|
|
|
|
request_.set_message("Hello bidi "); |
|
|
|
|
stub->experimental_async()->BidiStream(&context_, this); |
|
|
|
|
StartCall(); |
|
|
|
|
StartRead(&response_); |
|
|
|
|
StartWrite(&request_); |
|
|
|
|
StartCall(); |
|
|
|
|
} |
|
|
|
|
void OnReadDone(bool ok) override { |
|
|
|
|
if (!ok) { |
|
|
|
|
EXPECT_EQ(reads_complete_, kServerDefaultResponseStreamsToSend); |
|
|
|
|
} else { |
|
|
|
|
EXPECT_LE(reads_complete_, kServerDefaultResponseStreamsToSend); |
|
|
|
|
EXPECT_EQ(response_.message(), request_.message()); |
|
|
|
|
reads_complete_++; |
|
|
|
|
StartRead(&response_); |
|
|
|
|
} |
|
|
|
|
EXPECT_TRUE(ok); |
|
|
|
|
EXPECT_EQ(response_.message(), request_.message()); |
|
|
|
|
} |
|
|
|
|
void OnWriteDone(bool ok) override { |
|
|
|
|
EXPECT_TRUE(ok); |
|
|
|
|
if (++writes_complete_ == kServerDefaultResponseStreamsToSend) { |
|
|
|
|
StartWritesDone(); |
|
|
|
|
} else { |
|
|
|
|
StartWrite(&request_); |
|
|
|
|
} |
|
|
|
|
// Now send out the simultaneous Read and WritesDone
|
|
|
|
|
StartWritesDone(); |
|
|
|
|
StartRead(&response_); |
|
|
|
|
} |
|
|
|
|
void OnDone(const Status& s) override { |
|
|
|
|
EXPECT_TRUE(s.ok()); |
|
|
|
|
EXPECT_EQ(response_.message(), request_.message()); |
|
|
|
|
std::unique_lock<std::mutex> l(mu_); |
|
|
|
|
done_ = true; |
|
|
|
|
cv_.notify_one(); |
|
|
|
|
@ -564,8 +1076,6 @@ TEST_P(ClientCallbackEnd2endTest, BidiStream) { |
|
|
|
|
EchoRequest request_; |
|
|
|
|
EchoResponse response_; |
|
|
|
|
ClientContext context_; |
|
|
|
|
int reads_complete_{0}; |
|
|
|
|
int writes_complete_{0}; |
|
|
|
|
std::mutex mu_; |
|
|
|
|
std::condition_variable cv_; |
|
|
|
|
bool done_ = false; |
|
|
|
|
@ -574,13 +1084,42 @@ TEST_P(ClientCallbackEnd2endTest, BidiStream) { |
|
|
|
|
test.Await(); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
TestScenario scenarios[]{{false, Protocol::INPROC}, |
|
|
|
|
{false, Protocol::TCP}, |
|
|
|
|
{true, Protocol::INPROC}, |
|
|
|
|
{true, Protocol::TCP}}; |
|
|
|
|
std::vector<TestScenario> CreateTestScenarios(bool test_insecure) { |
|
|
|
|
std::vector<TestScenario> scenarios; |
|
|
|
|
std::vector<grpc::string> credentials_types{ |
|
|
|
|
GetCredentialsProvider()->GetSecureCredentialsTypeList()}; |
|
|
|
|
auto insec_ok = [] { |
|
|
|
|
// Only allow insecure credentials type when it is registered with the
|
|
|
|
|
// provider. User may create providers that do not have insecure.
|
|
|
|
|
return GetCredentialsProvider()->GetChannelCredentials( |
|
|
|
|
kInsecureCredentialsType, nullptr) != nullptr; |
|
|
|
|
}; |
|
|
|
|
if (test_insecure && insec_ok()) { |
|
|
|
|
credentials_types.push_back(kInsecureCredentialsType); |
|
|
|
|
} |
|
|
|
|
GPR_ASSERT(!credentials_types.empty()); |
|
|
|
|
|
|
|
|
|
bool barr[]{false, true}; |
|
|
|
|
Protocol parr[]{Protocol::INPROC, Protocol::TCP}; |
|
|
|
|
for (Protocol p : parr) { |
|
|
|
|
for (const auto& cred : credentials_types) { |
|
|
|
|
// TODO(vjpai): Test inproc with secure credentials when feasible
|
|
|
|
|
if (p == Protocol::INPROC && |
|
|
|
|
(cred != kInsecureCredentialsType || !insec_ok())) { |
|
|
|
|
continue; |
|
|
|
|
} |
|
|
|
|
for (bool callback_server : barr) { |
|
|
|
|
for (bool use_interceptors : barr) { |
|
|
|
|
scenarios.emplace_back(callback_server, p, use_interceptors, cred); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return scenarios; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
INSTANTIATE_TEST_CASE_P(ClientCallbackEnd2endTest, ClientCallbackEnd2endTest, |
|
|
|
|
::testing::ValuesIn(scenarios)); |
|
|
|
|
::testing::ValuesIn(CreateTestScenarios(true))); |
|
|
|
|
|
|
|
|
|
} // namespace
|
|
|
|
|
} // namespace testing
|
|
|
|
|
|
Michael Behr
6 years ago