| // |
| // |
| // Copyright 2017 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 <functional> |
| #include <memory> |
| #include <string> |
| |
| #include "absl/strings/str_cat.h" |
| |
| #include <grpc/byte_buffer.h> |
| #include <grpc/grpc.h> |
| #include <grpc/impl/propagation_bits.h> |
| #include <grpc/slice.h> |
| #include <grpc/status.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/time.h> |
| |
| #include "src/core/lib/channel/channel_args.h" |
| #include "src/core/lib/gpr/useful.h" |
| #include "test/core/end2end/cq_verifier.h" |
| #include "test/core/end2end/end2end_tests.h" |
| #include "test/core/end2end/tests/cancel_test_helpers.h" |
| #include "test/core/util/test_config.h" |
| |
| static std::unique_ptr<CoreTestFixture> begin_test( |
| const CoreTestConfiguration& config, const char* test_name, |
| grpc_channel_args* client_args, grpc_channel_args* server_args) { |
| gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name); |
| auto f = config.create_fixture(grpc_core::ChannelArgs::FromC(client_args), |
| grpc_core::ChannelArgs::FromC(server_args)); |
| f->InitServer(grpc_core::ChannelArgs::FromC(server_args)); |
| f->InitClient(grpc_core::ChannelArgs::FromC(client_args)); |
| return f; |
| } |
| |
| // Tests retry cancellation. |
| static void test_retry_cancellation(const CoreTestConfiguration& config, |
| cancellation_mode mode) { |
| grpc_call* c; |
| grpc_call* s; |
| grpc_op ops[6]; |
| grpc_op* op; |
| grpc_metadata_array initial_metadata_recv; |
| grpc_metadata_array trailing_metadata_recv; |
| grpc_metadata_array request_metadata_recv; |
| grpc_call_details call_details; |
| grpc_slice request_payload_slice = grpc_slice_from_static_string("foo"); |
| grpc_slice response_payload_slice = grpc_slice_from_static_string("bar"); |
| grpc_byte_buffer* request_payload = |
| grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
| grpc_byte_buffer* response_payload = |
| grpc_raw_byte_buffer_create(&response_payload_slice, 1); |
| grpc_byte_buffer* request_payload_recv = nullptr; |
| grpc_byte_buffer* response_payload_recv = nullptr; |
| grpc_status_code status; |
| grpc_call_error error; |
| grpc_slice details; |
| int was_cancelled = 2; |
| char* peer; |
| |
| grpc_arg args[] = { |
| grpc_channel_arg_string_create( |
| const_cast<char*>(GRPC_ARG_SERVICE_CONFIG), |
| const_cast<char*>( |
| "{\n" |
| " \"methodConfig\": [ {\n" |
| " \"name\": [\n" |
| " { \"service\": \"service\", \"method\": \"method\" }\n" |
| " ],\n" |
| " \"retryPolicy\": {\n" |
| " \"maxAttempts\": 5,\n" |
| " \"initialBackoff\": \"1s\",\n" |
| " \"maxBackoff\": \"120s\",\n" |
| " \"backoffMultiplier\": 1.6,\n" |
| " \"retryableStatusCodes\": [ \"ABORTED\" ]\n" |
| " },\n" |
| " \"timeout\": \"10s\"\n" |
| " } ]\n" |
| "}")), |
| }; |
| grpc_channel_args client_args = {GPR_ARRAY_SIZE(args), args}; |
| std::string name = absl::StrCat("retry_cancellation/", mode.name); |
| auto f = begin_test(config, name.c_str(), &client_args, nullptr); |
| |
| grpc_core::CqVerifier cqv(f->cq()); |
| |
| gpr_timespec deadline = grpc_timeout_seconds_to_deadline(5); |
| c = grpc_channel_create_call(f->client(), nullptr, GRPC_PROPAGATE_DEFAULTS, |
| f->cq(), |
| grpc_slice_from_static_string("/service/method"), |
| nullptr, deadline, nullptr); |
| GPR_ASSERT(c); |
| |
| peer = grpc_call_get_peer(c); |
| GPR_ASSERT(peer != nullptr); |
| gpr_log(GPR_DEBUG, "client_peer_before_call=%s", peer); |
| gpr_free(peer); |
| |
| grpc_metadata_array_init(&initial_metadata_recv); |
| grpc_metadata_array_init(&trailing_metadata_recv); |
| grpc_metadata_array_init(&request_metadata_recv); |
| grpc_call_details_init(&call_details); |
| grpc_slice status_details = grpc_slice_from_static_string("xyz"); |
| |
| // Client starts a batch with all 6 ops. |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op++; |
| op->op = GRPC_OP_SEND_MESSAGE; |
| op->data.send_message.send_message = request_payload; |
| op++; |
| op->op = GRPC_OP_RECV_MESSAGE; |
| op->data.recv_message.recv_message = &response_payload_recv; |
| op++; |
| op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| op++; |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
| op++; |
| op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
| op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; |
| op->data.recv_status_on_client.status = &status; |
| op->data.recv_status_on_client.status_details = &details; |
| op++; |
| error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), |
| grpc_core::CqVerifier::tag(1), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| // Server gets a call and fails with retryable status. |
| error = grpc_server_request_call(f->server(), &s, &call_details, |
| &request_metadata_recv, f->cq(), f->cq(), |
| grpc_core::CqVerifier::tag(101)); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| cqv.Expect(grpc_core::CqVerifier::tag(101), true); |
| cqv.Verify(); |
| |
| peer = grpc_call_get_peer(s); |
| GPR_ASSERT(peer != nullptr); |
| gpr_log(GPR_DEBUG, "server_peer=%s", peer); |
| gpr_free(peer); |
| peer = grpc_call_get_peer(c); |
| GPR_ASSERT(peer != nullptr); |
| gpr_log(GPR_DEBUG, "client_peer=%s", peer); |
| gpr_free(peer); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op++; |
| op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; |
| op->data.send_status_from_server.trailing_metadata_count = 0; |
| op->data.send_status_from_server.status = GRPC_STATUS_ABORTED; |
| op->data.send_status_from_server.status_details = &status_details; |
| op++; |
| op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
| op->data.recv_close_on_server.cancelled = &was_cancelled; |
| op++; |
| error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), |
| grpc_core::CqVerifier::tag(102), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| cqv.Expect(grpc_core::CqVerifier::tag(102), true); |
| cqv.Verify(); |
| |
| grpc_call_unref(s); |
| grpc_metadata_array_destroy(&request_metadata_recv); |
| grpc_metadata_array_init(&request_metadata_recv); |
| grpc_call_details_destroy(&call_details); |
| grpc_call_details_init(&call_details); |
| |
| // Server gets a second call (the retry). |
| error = grpc_server_request_call(f->server(), &s, &call_details, |
| &request_metadata_recv, f->cq(), f->cq(), |
| grpc_core::CqVerifier::tag(201)); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| cqv.Expect(grpc_core::CqVerifier::tag(201), true); |
| cqv.Verify(); |
| |
| // Initiate cancellation. |
| GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c, nullptr)); |
| |
| cqv.Expect(grpc_core::CqVerifier::tag(1), true); |
| cqv.Verify(); |
| |
| GPR_ASSERT(status == mode.expect_status); |
| GPR_ASSERT(was_cancelled == 0); |
| |
| grpc_slice_unref(details); |
| grpc_metadata_array_destroy(&initial_metadata_recv); |
| grpc_metadata_array_destroy(&trailing_metadata_recv); |
| grpc_metadata_array_destroy(&request_metadata_recv); |
| grpc_call_details_destroy(&call_details); |
| grpc_byte_buffer_destroy(request_payload); |
| grpc_byte_buffer_destroy(response_payload); |
| grpc_byte_buffer_destroy(request_payload_recv); |
| grpc_byte_buffer_destroy(response_payload_recv); |
| |
| grpc_call_unref(c); |
| grpc_call_unref(s); |
| } |
| |
| void retry_cancellation(const CoreTestConfiguration& config) { |
| GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL); |
| for (size_t i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); ++i) { |
| test_retry_cancellation(config, cancellation_modes[i]); |
| } |
| } |
| |
| void retry_cancellation_pre_init(void) {} |