mirror of https://github.com/grpc/grpc.git
Fourth attempt: Implement transparent retries (#28943)
* Revert "Revert "Third attempt: Implement transparent retries (#28925)" (#28942)"
This reverts commit be70a8676c.
* fix edge case where call is cancelled while transparent retry callback is pending
pull/28985/head
Mark D. Roth
3 years ago
committed by
GitHub
parent
faea518de0
commit
c27f8f1505
17 changed files with 1363 additions and 78 deletions
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//
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// Copyright 2017 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include <stdio.h> |
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#include <string.h> |
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#include <grpc/byte_buffer.h> |
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#include <grpc/grpc.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/string_util.h> |
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#include <grpc/support/time.h> |
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#include "src/core/lib/channel/channel_args.h" |
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#include "src/core/lib/channel/channel_stack.h" |
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#include "src/core/lib/channel/channel_stack_builder.h" |
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#include "src/core/lib/config/core_configuration.h" |
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#include "src/core/lib/gpr/string.h" |
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#include "src/core/lib/gpr/useful.h" |
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#include "src/core/lib/iomgr/exec_ctx.h" |
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#include "src/core/lib/surface/channel_init.h" |
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#include "src/core/lib/transport/error_utils.h" |
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#include "test/core/end2end/cq_verifier.h" |
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#include "test/core/end2end/end2end_tests.h" |
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#include "test/core/end2end/tests/cancel_test_helpers.h" |
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static void* tag(intptr_t t) { return reinterpret_cast<void*>(t); } |
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static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, |
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const char* test_name, |
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grpc_channel_args* client_args, |
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grpc_channel_args* server_args) { |
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grpc_end2end_test_fixture f; |
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gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name); |
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f = config.create_fixture(client_args, server_args); |
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config.init_server(&f, server_args); |
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config.init_client(&f, client_args); |
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return f; |
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} |
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static gpr_timespec n_seconds_from_now(int n) { |
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return grpc_timeout_seconds_to_deadline(n); |
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} |
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static gpr_timespec five_seconds_from_now(void) { |
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return n_seconds_from_now(5); |
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} |
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static void drain_cq(grpc_completion_queue* cq) { |
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grpc_event ev; |
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do { |
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ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr); |
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} while (ev.type != GRPC_QUEUE_SHUTDOWN); |
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} |
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static void shutdown_server(grpc_end2end_test_fixture* f) { |
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if (!f->server) return; |
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grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000)); |
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GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000), |
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grpc_timeout_seconds_to_deadline(5), |
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nullptr) |
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.type == GRPC_OP_COMPLETE); |
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grpc_server_destroy(f->server); |
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f->server = nullptr; |
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} |
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static void shutdown_client(grpc_end2end_test_fixture* f) { |
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if (!f->client) return; |
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grpc_channel_destroy(f->client); |
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f->client = nullptr; |
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} |
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static void end_test(grpc_end2end_test_fixture* f) { |
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shutdown_server(f); |
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shutdown_client(f); |
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grpc_completion_queue_shutdown(f->cq); |
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drain_cq(f->cq); |
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grpc_completion_queue_destroy(f->cq); |
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grpc_completion_queue_destroy(f->shutdown_cq); |
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} |
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// Tests transparent retries when the call was never sent out on the wire.
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static void test_retry_transparent_goaway(grpc_end2end_test_config config) { |
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grpc_call* c; |
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grpc_call* s; |
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grpc_op ops[6]; |
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grpc_op* op; |
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grpc_metadata_array initial_metadata_recv; |
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grpc_metadata_array trailing_metadata_recv; |
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grpc_metadata_array request_metadata_recv; |
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grpc_call_details call_details; |
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grpc_slice request_payload_slice = grpc_slice_from_static_string("foo"); |
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grpc_slice response_payload_slice = grpc_slice_from_static_string("bar"); |
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grpc_byte_buffer* request_payload = |
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grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
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grpc_byte_buffer* response_payload = |
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grpc_raw_byte_buffer_create(&response_payload_slice, 1); |
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grpc_byte_buffer* request_payload_recv = nullptr; |
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grpc_byte_buffer* response_payload_recv = nullptr; |
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grpc_status_code status; |
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grpc_call_error error; |
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grpc_slice details; |
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int was_cancelled = 2; |
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char* peer; |
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grpc_end2end_test_fixture f = |
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begin_test(config, "retry_transparent_goaway", nullptr, nullptr); |
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cq_verifier* cqv = cq_verifier_create(f.cq); |
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gpr_timespec deadline = five_seconds_from_now(); |
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c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, |
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grpc_slice_from_static_string("/service/method"), |
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nullptr, deadline, nullptr); |
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GPR_ASSERT(c); |
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peer = grpc_call_get_peer(c); |
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GPR_ASSERT(peer != nullptr); |
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gpr_log(GPR_DEBUG, "client_peer_before_call=%s", peer); |
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gpr_free(peer); |
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grpc_metadata_array_init(&initial_metadata_recv); |
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grpc_metadata_array_init(&trailing_metadata_recv); |
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grpc_metadata_array_init(&request_metadata_recv); |
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grpc_call_details_init(&call_details); |
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grpc_slice status_details = grpc_slice_from_static_string("xyz"); |
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// Start a batch containing send ops.
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_INITIAL_METADATA; |
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op->data.send_initial_metadata.count = 0; |
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op++; |
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op->op = GRPC_OP_SEND_MESSAGE; |
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op->data.send_message.send_message = request_payload; |
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op++; |
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op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
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op++; |
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error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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// Start a batch containing recv ops.
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_RECV_MESSAGE; |
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op->data.recv_message.recv_message = &response_payload_recv; |
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op++; |
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op->op = GRPC_OP_RECV_INITIAL_METADATA; |
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op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
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op++; |
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op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
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op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; |
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op->data.recv_status_on_client.status = &status; |
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op->data.recv_status_on_client.status_details = &details; |
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op++; |
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error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(2), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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// Client send ops should now complete.
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CQ_EXPECT_COMPLETION(cqv, tag(1), true); |
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cq_verify(cqv); |
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// Server should get a call.
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error = |
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grpc_server_request_call(f.server, &s, &call_details, |
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&request_metadata_recv, f.cq, f.cq, tag(101)); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(101), true); |
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cq_verify(cqv); |
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// Server receives the request.
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_RECV_MESSAGE; |
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op->data.recv_message.recv_message = &request_payload_recv; |
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op++; |
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error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(102), true); |
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cq_verify(cqv); |
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// Server sends a response with status OK.
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
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op->data.recv_close_on_server.cancelled = &was_cancelled; |
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op++; |
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op->op = GRPC_OP_SEND_INITIAL_METADATA; |
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op->data.send_initial_metadata.count = 0; |
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op++; |
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op->op = GRPC_OP_SEND_MESSAGE; |
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op->data.send_message.send_message = response_payload; |
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op++; |
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op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; |
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op->data.send_status_from_server.trailing_metadata_count = 0; |
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op->data.send_status_from_server.status = GRPC_STATUS_OK; |
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op->data.send_status_from_server.status_details = &status_details; |
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op++; |
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error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(103), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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// In principle, the server batch should complete before the client
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// recv ops batch, but in the proxy fixtures, there are multiple threads
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// involved, so the completion order tends to be a little racy.
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CQ_EXPECT_COMPLETION(cqv, tag(103), true); |
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CQ_EXPECT_COMPLETION(cqv, tag(2), true); |
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cq_verify(cqv); |
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GPR_ASSERT(status == GRPC_STATUS_OK); |
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GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz")); |
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GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/service/method")); |
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GPR_ASSERT(0 == call_details.flags); |
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GPR_ASSERT(was_cancelled == 0); |
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GPR_ASSERT(byte_buffer_eq_slice(request_payload_recv, request_payload_slice)); |
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GPR_ASSERT( |
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byte_buffer_eq_slice(response_payload_recv, response_payload_slice)); |
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// Make sure the "grpc-previous-rpc-attempts" header was NOT sent, since
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// we don't do that for transparent retries.
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for (size_t i = 0; i < request_metadata_recv.count; ++i) { |
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GPR_ASSERT(!grpc_slice_eq( |
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request_metadata_recv.metadata[i].key, |
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grpc_slice_from_static_string("grpc-previous-rpc-attempts"))); |
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} |
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grpc_slice_unref(details); |
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grpc_metadata_array_destroy(&initial_metadata_recv); |
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grpc_metadata_array_destroy(&trailing_metadata_recv); |
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grpc_metadata_array_destroy(&request_metadata_recv); |
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grpc_call_details_destroy(&call_details); |
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grpc_byte_buffer_destroy(request_payload); |
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grpc_byte_buffer_destroy(response_payload); |
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grpc_byte_buffer_destroy(request_payload_recv); |
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grpc_byte_buffer_destroy(response_payload_recv); |
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grpc_call_unref(c); |
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grpc_call_unref(s); |
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cq_verifier_destroy(cqv); |
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end_test(&f); |
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config.tear_down_data(&f); |
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} |
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namespace { |
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// A filter that, for the first call it sees, will fail all batches except
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// for cancellations, so that the call fails with an error whose
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// StreamNetworkState is kNotSeenByServer.
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// All subsequent calls are allowed through without failures.
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class FailFirstCallFilter { |
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public: |
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static grpc_channel_filter kFilterVtable; |
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private: |
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class CallData { |
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public: |
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static grpc_error_handle Init(grpc_call_element* elem, |
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const grpc_call_element_args* args) { |
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new (elem->call_data) CallData(args); |
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return GRPC_ERROR_NONE; |
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} |
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static void Destroy(grpc_call_element* elem, |
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const grpc_call_final_info* /*final_info*/, |
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grpc_closure* /*ignored*/) { |
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auto* calld = static_cast<CallData*>(elem->call_data); |
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calld->~CallData(); |
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} |
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static void StartTransportStreamOpBatch( |
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grpc_call_element* elem, grpc_transport_stream_op_batch* batch) { |
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auto* chand = static_cast<FailFirstCallFilter*>(elem->channel_data); |
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auto* calld = static_cast<CallData*>(elem->call_data); |
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if (!chand->seen_call_) { |
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calld->fail_ = true; |
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chand->seen_call_ = true; |
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} |
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if (calld->fail_) { |
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if (batch->recv_trailing_metadata) { |
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batch->payload->recv_trailing_metadata.recv_trailing_metadata->Set( |
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grpc_core::GrpcStreamNetworkState(), |
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grpc_core::GrpcStreamNetworkState::kNotSeenByServer); |
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} |
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if (!batch->cancel_stream) { |
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grpc_transport_stream_op_batch_finish_with_failure( |
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batch, |
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grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING( |
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"FailFirstCallFilter failing batch"), |
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GRPC_ERROR_INT_GRPC_STATUS, |
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GRPC_STATUS_UNAVAILABLE), |
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calld->call_combiner_); |
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return; |
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} |
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} |
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grpc_call_next_op(elem, batch); |
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} |
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private: |
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explicit CallData(const grpc_call_element_args* args) |
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: call_combiner_(args->call_combiner) {} |
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grpc_core::CallCombiner* call_combiner_; |
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bool fail_ = false; |
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}; |
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static grpc_error_handle Init(grpc_channel_element* elem, |
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grpc_channel_element_args* /*args*/) { |
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new (elem->channel_data) FailFirstCallFilter(); |
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return GRPC_ERROR_NONE; |
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} |
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static void Destroy(grpc_channel_element* elem) { |
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auto* chand = static_cast<FailFirstCallFilter*>(elem->channel_data); |
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chand->~FailFirstCallFilter(); |
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} |
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bool seen_call_ = false; |
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}; |
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grpc_channel_filter FailFirstCallFilter::kFilterVtable = { |
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CallData::StartTransportStreamOpBatch, |
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nullptr, |
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grpc_channel_next_op, |
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sizeof(CallData), |
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CallData::Init, |
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grpc_call_stack_ignore_set_pollset_or_pollset_set, |
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CallData::Destroy, |
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sizeof(FailFirstCallFilter), |
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Init, |
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Destroy, |
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grpc_channel_next_get_info, |
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"FailFirstCallFilter", |
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}; |
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} // namespace
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void retry_transparent_goaway(grpc_end2end_test_config config) { |
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GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL); |
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grpc_core::CoreConfiguration::RunWithSpecialConfiguration( |
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[](grpc_core::CoreConfiguration::Builder* builder) { |
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grpc_core::BuildCoreConfiguration(builder); |
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builder->channel_init()->RegisterStage( |
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GRPC_CLIENT_SUBCHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY + 1, |
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[](grpc_core::ChannelStackBuilder* builder) { |
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// Skip on proxy (which explicitly disables retries).
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const grpc_channel_args* args = builder->channel_args(); |
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if (!grpc_channel_args_find_bool(args, GRPC_ARG_ENABLE_RETRIES, |
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true)) { |
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return true; |
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} |
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// Install filter.
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builder->PrependFilter(&FailFirstCallFilter::kFilterVtable, |
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nullptr); |
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return true; |
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}); |
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}, |
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[config] { test_retry_transparent_goaway(config); }); |
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} |
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void retry_transparent_goaway_pre_init(void) {} |
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@ -0,0 +1,368 @@ |
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//
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// Copyright 2017 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
|
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// You may obtain a copy of the License at
|
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//
|
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
|
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// distributed under the License is distributed on an "AS IS" BASIS,
|
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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// See the License for the specific language governing permissions and
|
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// limitations under the License.
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//
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#include <stdio.h> |
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#include <string.h> |
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#include <grpc/byte_buffer.h> |
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#include <grpc/grpc.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/string_util.h> |
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#include <grpc/support/time.h> |
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#include "src/core/lib/channel/channel_args.h" |
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#include "src/core/lib/channel/channel_stack.h" |
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#include "src/core/lib/channel/channel_stack_builder.h" |
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#include "src/core/lib/config/core_configuration.h" |
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#include "src/core/lib/gpr/string.h" |
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#include "src/core/lib/gpr/useful.h" |
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#include "src/core/lib/iomgr/exec_ctx.h" |
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#include "src/core/lib/surface/channel_init.h" |
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#include "src/core/lib/transport/error_utils.h" |
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#include "test/core/end2end/cq_verifier.h" |
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#include "test/core/end2end/end2end_tests.h" |
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#include "test/core/end2end/tests/cancel_test_helpers.h" |
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static void* tag(intptr_t t) { return reinterpret_cast<void*>(t); } |
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|
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static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, |
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const char* test_name, |
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grpc_channel_args* client_args, |
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grpc_channel_args* server_args) { |
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grpc_end2end_test_fixture f; |
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gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name); |
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f = config.create_fixture(client_args, server_args); |
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config.init_server(&f, server_args); |
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config.init_client(&f, client_args); |
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return f; |
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} |
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|
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static gpr_timespec n_seconds_from_now(int n) { |
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return grpc_timeout_seconds_to_deadline(n); |
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} |
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|
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static gpr_timespec five_seconds_from_now(void) { |
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return n_seconds_from_now(5); |
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} |
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|
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static void drain_cq(grpc_completion_queue* cq) { |
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grpc_event ev; |
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do { |
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ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr); |
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} while (ev.type != GRPC_QUEUE_SHUTDOWN); |
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} |
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static void shutdown_server(grpc_end2end_test_fixture* f) { |
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if (!f->server) return; |
||||
grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000)); |
||||
GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000), |
||||
grpc_timeout_seconds_to_deadline(5), |
||||
nullptr) |
||||
.type == GRPC_OP_COMPLETE); |
||||
grpc_server_destroy(f->server); |
||||
f->server = nullptr; |
||||
} |
||||
|
||||
static void shutdown_client(grpc_end2end_test_fixture* f) { |
||||
if (!f->client) return; |
||||
grpc_channel_destroy(f->client); |
||||
f->client = nullptr; |
||||
} |
||||
|
||||
static void end_test(grpc_end2end_test_fixture* f) { |
||||
shutdown_server(f); |
||||
shutdown_client(f); |
||||
|
||||
grpc_completion_queue_shutdown(f->cq); |
||||
drain_cq(f->cq); |
||||
grpc_completion_queue_destroy(f->cq); |
||||
grpc_completion_queue_destroy(f->shutdown_cq); |
||||
} |
||||
|
||||
// Tests transparent retries when the call was never sent out on the wire.
|
||||
// This is similar to retry_transparent_not_sent_on_wire, except that
|
||||
// instead of simulating the response with a filter, we actually have
|
||||
// the transport behave the right way. We create a server with
|
||||
// MAX_CONCURRENT_STREAMS set to 1. We start a call on the server, and
|
||||
// then start a second call, which will get queued in the transport.
|
||||
// Then, before the first call finishes, the server is shut down and
|
||||
// restarted. The second call will fail in that transport instance and
|
||||
// will be transparently retried after the server starts up again.
|
||||
static void test_retry_transparent_max_concurrent_streams( |
||||
grpc_end2end_test_config config) { |
||||
grpc_op ops[6]; |
||||
grpc_op* op; |
||||
grpc_slice request_payload_slice = grpc_slice_from_static_string("foo"); |
||||
grpc_slice response_payload_slice = grpc_slice_from_static_string("bar"); |
||||
grpc_slice status_details = grpc_slice_from_static_string("xyz"); |
||||
grpc_call_error error; |
||||
|
||||
grpc_arg arg = grpc_channel_arg_integer_create( |
||||
const_cast<char*>(GRPC_ARG_MAX_CONCURRENT_STREAMS), 1); |
||||
grpc_channel_args server_args = {1, &arg}; |
||||
grpc_end2end_test_fixture f = |
||||
begin_test(config, "retry_transparent_max_concurrent_streams", nullptr, |
||||
&server_args); |
||||
|
||||
cq_verifier* cqv = cq_verifier_create(f.cq); |
||||
|
||||
gpr_timespec deadline = five_seconds_from_now(); |
||||
|
||||
// Client starts a call.
|
||||
grpc_call* 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); |
||||
grpc_byte_buffer* request_payload = |
||||
grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
||||
grpc_metadata_array initial_metadata_recv; |
||||
grpc_metadata_array_init(&initial_metadata_recv); |
||||
grpc_byte_buffer* response_payload_recv = nullptr; |
||||
grpc_metadata_array trailing_metadata_recv; |
||||
grpc_metadata_array_init(&trailing_metadata_recv); |
||||
grpc_status_code status; |
||||
grpc_slice details; |
||||
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_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_MESSAGE; |
||||
op->data.recv_message.recv_message = &response_payload_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), tag(1), |
||||
nullptr); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
|
||||
// Server should get a call.
|
||||
grpc_call* s; |
||||
grpc_metadata_array request_metadata_recv; |
||||
grpc_metadata_array_init(&request_metadata_recv); |
||||
grpc_call_details call_details; |
||||
grpc_call_details_init(&call_details); |
||||
error = |
||||
grpc_server_request_call(f.server, &s, &call_details, |
||||
&request_metadata_recv, f.cq, f.cq, tag(101)); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
CQ_EXPECT_COMPLETION(cqv, tag(101), true); |
||||
cq_verify(cqv); |
||||
GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/service/method")); |
||||
GPR_ASSERT(0 == call_details.flags); |
||||
grpc_call_details_destroy(&call_details); |
||||
grpc_metadata_array_destroy(&request_metadata_recv); |
||||
|
||||
// Client starts a second call.
|
||||
// We set wait_for_ready for this call, so that if it retries before
|
||||
// the server comes back up, it stays pending.
|
||||
grpc_call* c2 = |
||||
grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, |
||||
grpc_slice_from_static_string("/service/method"), |
||||
nullptr, deadline, nullptr); |
||||
GPR_ASSERT(c2); |
||||
grpc_byte_buffer* request_payload2 = |
||||
grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
||||
grpc_metadata_array initial_metadata_recv2; |
||||
grpc_metadata_array_init(&initial_metadata_recv2); |
||||
grpc_byte_buffer* response_payload_recv2 = nullptr; |
||||
grpc_metadata_array trailing_metadata_recv2; |
||||
grpc_metadata_array_init(&trailing_metadata_recv2); |
||||
grpc_status_code status2; |
||||
grpc_slice details2; |
||||
memset(ops, 0, sizeof(ops)); |
||||
op = ops; |
||||
op->op = GRPC_OP_SEND_INITIAL_METADATA; |
||||
op->data.send_initial_metadata.count = 0; |
||||
op->flags = GRPC_INITIAL_METADATA_WAIT_FOR_READY; |
||||
op++; |
||||
op->op = GRPC_OP_SEND_MESSAGE; |
||||
op->data.send_message.send_message = request_payload2; |
||||
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_recv2; |
||||
op++; |
||||
op->op = GRPC_OP_RECV_MESSAGE; |
||||
op->data.recv_message.recv_message = &response_payload_recv2; |
||||
op++; |
||||
op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
||||
op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv2; |
||||
op->data.recv_status_on_client.status = &status2; |
||||
op->data.recv_status_on_client.status_details = &details2; |
||||
op++; |
||||
error = grpc_call_start_batch(c2, ops, static_cast<size_t>(op - ops), tag(2), |
||||
nullptr); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
|
||||
// Start server shutdown.
|
||||
grpc_server_shutdown_and_notify(f.server, f.cq, tag(102)); |
||||
|
||||
// Server handles the first call.
|
||||
grpc_byte_buffer* request_payload_recv = nullptr; |
||||
int was_cancelled = 2; |
||||
grpc_byte_buffer* response_payload = |
||||
grpc_raw_byte_buffer_create(&response_payload_slice, 1); |
||||
memset(ops, 0, sizeof(ops)); |
||||
op = ops; |
||||
op->op = GRPC_OP_RECV_MESSAGE; |
||||
op->data.recv_message.recv_message = &request_payload_recv; |
||||
op++; |
||||
op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
||||
op->data.recv_close_on_server.cancelled = &was_cancelled; |
||||
op++; |
||||
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 = response_payload; |
||||
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_OK; |
||||
op->data.send_status_from_server.status_details = &status_details; |
||||
op++; |
||||
error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(103), |
||||
nullptr); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
|
||||
// Server completes first call and shutdown.
|
||||
// Client completes first call.
|
||||
CQ_EXPECT_COMPLETION(cqv, tag(103), true); |
||||
CQ_EXPECT_COMPLETION(cqv, tag(102), true); |
||||
CQ_EXPECT_COMPLETION(cqv, tag(1), true); |
||||
cq_verify(cqv); |
||||
|
||||
// Clean up from first call.
|
||||
GPR_ASSERT(byte_buffer_eq_slice(request_payload_recv, request_payload_slice)); |
||||
grpc_byte_buffer_destroy(request_payload_recv); |
||||
GPR_ASSERT(was_cancelled == 0); |
||||
grpc_byte_buffer_destroy(response_payload); |
||||
grpc_call_unref(s); |
||||
grpc_byte_buffer_destroy(request_payload); |
||||
grpc_metadata_array_destroy(&initial_metadata_recv); |
||||
GPR_ASSERT( |
||||
byte_buffer_eq_slice(response_payload_recv, response_payload_slice)); |
||||
grpc_byte_buffer_destroy(response_payload_recv); |
||||
grpc_metadata_array_destroy(&trailing_metadata_recv); |
||||
GPR_ASSERT(status == GRPC_STATUS_OK); |
||||
GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz")); |
||||
grpc_slice_unref(details); |
||||
grpc_call_unref(c); |
||||
|
||||
// Destroy server and then restart it.
|
||||
grpc_server_destroy(f.server); |
||||
f.server = nullptr; |
||||
config.init_server(&f, &server_args); |
||||
|
||||
// Server should get the second call.
|
||||
grpc_metadata_array_init(&request_metadata_recv); |
||||
grpc_call_details_init(&call_details); |
||||
error = |
||||
grpc_server_request_call(f.server, &s, &call_details, |
||||
&request_metadata_recv, f.cq, f.cq, tag(201)); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
CQ_EXPECT_COMPLETION(cqv, tag(201), true); |
||||
cq_verify(cqv); |
||||
GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/service/method")); |
||||
GPR_ASSERT(0 == call_details.flags); |
||||
grpc_call_details_destroy(&call_details); |
||||
// Make sure the "grpc-previous-rpc-attempts" header was NOT sent, since
|
||||
// we don't do that for transparent retries.
|
||||
for (size_t i = 0; i < request_metadata_recv.count; ++i) { |
||||
GPR_ASSERT(!grpc_slice_eq( |
||||
request_metadata_recv.metadata[i].key, |
||||
grpc_slice_from_static_string("grpc-previous-rpc-attempts"))); |
||||
} |
||||
grpc_metadata_array_destroy(&request_metadata_recv); |
||||
|
||||
// Server handles the second call.
|
||||
request_payload_recv = nullptr; |
||||
was_cancelled = 2; |
||||
grpc_byte_buffer* response_payload2 = |
||||
grpc_raw_byte_buffer_create(&response_payload_slice, 1); |
||||
memset(ops, 0, sizeof(ops)); |
||||
op = ops; |
||||
op->op = GRPC_OP_RECV_MESSAGE; |
||||
op->data.recv_message.recv_message = &request_payload_recv; |
||||
op++; |
||||
op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
||||
op->data.recv_close_on_server.cancelled = &was_cancelled; |
||||
op++; |
||||
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 = response_payload2; |
||||
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_OK; |
||||
op->data.send_status_from_server.status_details = &status_details; |
||||
op++; |
||||
error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(202), |
||||
nullptr); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
|
||||
// Second call completes.
|
||||
CQ_EXPECT_COMPLETION(cqv, tag(202), true); |
||||
CQ_EXPECT_COMPLETION(cqv, tag(2), true); |
||||
cq_verify(cqv); |
||||
|
||||
// Clean up from second call.
|
||||
GPR_ASSERT(byte_buffer_eq_slice(request_payload_recv, request_payload_slice)); |
||||
grpc_byte_buffer_destroy(request_payload_recv); |
||||
GPR_ASSERT(was_cancelled == 0); |
||||
grpc_byte_buffer_destroy(response_payload2); |
||||
grpc_call_unref(s); |
||||
grpc_byte_buffer_destroy(request_payload2); |
||||
grpc_metadata_array_destroy(&initial_metadata_recv2); |
||||
GPR_ASSERT( |
||||
byte_buffer_eq_slice(response_payload_recv2, response_payload_slice)); |
||||
grpc_byte_buffer_destroy(response_payload_recv2); |
||||
grpc_metadata_array_destroy(&trailing_metadata_recv2); |
||||
GPR_ASSERT(status2 == GRPC_STATUS_OK); |
||||
GPR_ASSERT(0 == grpc_slice_str_cmp(details2, "xyz")); |
||||
grpc_slice_unref(details2); |
||||
grpc_call_unref(c2); |
||||
|
||||
cq_verifier_destroy(cqv); |
||||
|
||||
end_test(&f); |
||||
config.tear_down_data(&f); |
||||
} |
||||
|
||||
void retry_transparent_max_concurrent_streams(grpc_end2end_test_config config) { |
||||
GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL); |
||||
test_retry_transparent_max_concurrent_streams(config); |
||||
} |
||||
|
||||
void retry_transparent_max_concurrent_streams_pre_init(void) {} |
||||
@ -0,0 +1,378 @@ |
||||
//
|
||||
// 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 <stdio.h> |
||||
#include <string.h> |
||||
|
||||
#include <grpc/byte_buffer.h> |
||||
#include <grpc/grpc.h> |
||||
#include <grpc/support/alloc.h> |
||||
#include <grpc/support/log.h> |
||||
#include <grpc/support/string_util.h> |
||||
#include <grpc/support/time.h> |
||||
|
||||
#include "src/core/lib/channel/channel_args.h" |
||||
#include "src/core/lib/channel/channel_stack.h" |
||||
#include "src/core/lib/channel/channel_stack_builder.h" |
||||
#include "src/core/lib/config/core_configuration.h" |
||||
#include "src/core/lib/gpr/string.h" |
||||
#include "src/core/lib/gpr/useful.h" |
||||
#include "src/core/lib/iomgr/exec_ctx.h" |
||||
#include "src/core/lib/surface/channel_init.h" |
||||
#include "src/core/lib/transport/error_utils.h" |
||||
#include "test/core/end2end/cq_verifier.h" |
||||
#include "test/core/end2end/end2end_tests.h" |
||||
#include "test/core/end2end/tests/cancel_test_helpers.h" |
||||
|
||||
static void* tag(intptr_t t) { return reinterpret_cast<void*>(t); } |
||||
|
||||
static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, |
||||
const char* test_name, |
||||
grpc_channel_args* client_args, |
||||
grpc_channel_args* server_args) { |
||||
grpc_end2end_test_fixture f; |
||||
gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name); |
||||
f = config.create_fixture(client_args, server_args); |
||||
config.init_server(&f, server_args); |
||||
config.init_client(&f, client_args); |
||||
return f; |
||||
} |
||||
|
||||
static gpr_timespec n_seconds_from_now(int n) { |
||||
return grpc_timeout_seconds_to_deadline(n); |
||||
} |
||||
|
||||
static gpr_timespec five_seconds_from_now(void) { |
||||
return n_seconds_from_now(5); |
||||
} |
||||
|
||||
static void drain_cq(grpc_completion_queue* cq) { |
||||
grpc_event ev; |
||||
do { |
||||
ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr); |
||||
} while (ev.type != GRPC_QUEUE_SHUTDOWN); |
||||
} |
||||
|
||||
static void shutdown_server(grpc_end2end_test_fixture* f) { |
||||
if (!f->server) return; |
||||
grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000)); |
||||
GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000), |
||||
grpc_timeout_seconds_to_deadline(5), |
||||
nullptr) |
||||
.type == GRPC_OP_COMPLETE); |
||||
grpc_server_destroy(f->server); |
||||
f->server = nullptr; |
||||
} |
||||
|
||||
static void shutdown_client(grpc_end2end_test_fixture* f) { |
||||
if (!f->client) return; |
||||
grpc_channel_destroy(f->client); |
||||
f->client = nullptr; |
||||
} |
||||
|
||||
static void end_test(grpc_end2end_test_fixture* f) { |
||||
shutdown_server(f); |
||||
shutdown_client(f); |
||||
|
||||
grpc_completion_queue_shutdown(f->cq); |
||||
drain_cq(f->cq); |
||||
grpc_completion_queue_destroy(f->cq); |
||||
grpc_completion_queue_destroy(f->shutdown_cq); |
||||
} |
||||
|
||||
// Tests transparent retries when the call was never sent out on the wire.
|
||||
static void test_retry_transparent_not_sent_on_wire( |
||||
grpc_end2end_test_config config) { |
||||
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_end2end_test_fixture f = begin_test( |
||||
config, "retry_transparent_not_sent_on_wire", nullptr, nullptr); |
||||
|
||||
cq_verifier* cqv = cq_verifier_create(f.cq); |
||||
|
||||
gpr_timespec deadline = five_seconds_from_now(); |
||||
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"); |
||||
|
||||
// Start a batch containing send 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_SEND_CLOSE_FROM_CLIENT; |
||||
op++; |
||||
error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1), |
||||
nullptr); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
|
||||
// Start a batch containing recv ops.
|
||||
memset(ops, 0, sizeof(ops)); |
||||
op = ops; |
||||
op->op = GRPC_OP_RECV_MESSAGE; |
||||
op->data.recv_message.recv_message = &response_payload_recv; |
||||
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), tag(2), |
||||
nullptr); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
|
||||
// Client send ops should now complete.
|
||||
CQ_EXPECT_COMPLETION(cqv, tag(1), true); |
||||
cq_verify(cqv); |
||||
|
||||
// Server should get a call.
|
||||
error = |
||||
grpc_server_request_call(f.server, &s, &call_details, |
||||
&request_metadata_recv, f.cq, f.cq, tag(101)); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
CQ_EXPECT_COMPLETION(cqv, tag(101), true); |
||||
cq_verify(cqv); |
||||
|
||||
// Server receives the request.
|
||||
memset(ops, 0, sizeof(ops)); |
||||
op = ops; |
||||
op->op = GRPC_OP_RECV_MESSAGE; |
||||
op->data.recv_message.recv_message = &request_payload_recv; |
||||
op++; |
||||
error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102), |
||||
nullptr); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
CQ_EXPECT_COMPLETION(cqv, tag(102), true); |
||||
cq_verify(cqv); |
||||
|
||||
// Server sends a response with status OK.
|
||||
memset(ops, 0, sizeof(ops)); |
||||
op = ops; |
||||
op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
||||
op->data.recv_close_on_server.cancelled = &was_cancelled; |
||||
op++; |
||||
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 = response_payload; |
||||
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_OK; |
||||
op->data.send_status_from_server.status_details = &status_details; |
||||
op++; |
||||
error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(103), |
||||
nullptr); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
|
||||
// In principle, the server batch should complete before the client
|
||||
// recv ops batch, but in the proxy fixtures, there are multiple threads
|
||||
// involved, so the completion order tends to be a little racy.
|
||||
CQ_EXPECT_COMPLETION(cqv, tag(103), true); |
||||
CQ_EXPECT_COMPLETION(cqv, tag(2), true); |
||||
cq_verify(cqv); |
||||
|
||||
GPR_ASSERT(status == GRPC_STATUS_OK); |
||||
GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz")); |
||||
GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/service/method")); |
||||
GPR_ASSERT(0 == call_details.flags); |
||||
GPR_ASSERT(was_cancelled == 0); |
||||
GPR_ASSERT(byte_buffer_eq_slice(request_payload_recv, request_payload_slice)); |
||||
GPR_ASSERT( |
||||
byte_buffer_eq_slice(response_payload_recv, response_payload_slice)); |
||||
|
||||
// Make sure the "grpc-previous-rpc-attempts" header was NOT sent, since
|
||||
// we don't do that for transparent retries.
|
||||
for (size_t i = 0; i < request_metadata_recv.count; ++i) { |
||||
GPR_ASSERT(!grpc_slice_eq( |
||||
request_metadata_recv.metadata[i].key, |
||||
grpc_slice_from_static_string("grpc-previous-rpc-attempts"))); |
||||
} |
||||
|
||||
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); |
||||
|
||||
cq_verifier_destroy(cqv); |
||||
|
||||
end_test(&f); |
||||
config.tear_down_data(&f); |
||||
} |
||||
|
||||
namespace { |
||||
|
||||
// A filter that, for the first 10 calls it sees, will fail all batches except
|
||||
// for cancellations, so that the call fails with an error whose
|
||||
// StreamNetworkState is kNotSentOnWire.
|
||||
// All subsequent calls are allowed through without failures.
|
||||
class FailFirstTenCallsFilter { |
||||
public: |
||||
static grpc_channel_filter kFilterVtable; |
||||
|
||||
private: |
||||
class CallData { |
||||
public: |
||||
static grpc_error_handle Init(grpc_call_element* elem, |
||||
const grpc_call_element_args* args) { |
||||
new (elem->call_data) CallData(args); |
||||
return GRPC_ERROR_NONE; |
||||
} |
||||
|
||||
static void Destroy(grpc_call_element* elem, |
||||
const grpc_call_final_info* /*final_info*/, |
||||
grpc_closure* /*ignored*/) { |
||||
auto* calld = static_cast<CallData*>(elem->call_data); |
||||
calld->~CallData(); |
||||
} |
||||
|
||||
static void StartTransportStreamOpBatch( |
||||
grpc_call_element* elem, grpc_transport_stream_op_batch* batch) { |
||||
auto* chand = static_cast<FailFirstTenCallsFilter*>(elem->channel_data); |
||||
auto* calld = static_cast<CallData*>(elem->call_data); |
||||
if (chand->num_calls_ < 10) calld->fail_ = true; |
||||
if (batch->send_initial_metadata) ++chand->num_calls_; |
||||
if (calld->fail_) { |
||||
if (batch->recv_trailing_metadata) { |
||||
batch->payload->recv_trailing_metadata.recv_trailing_metadata->Set( |
||||
grpc_core::GrpcStreamNetworkState(), |
||||
grpc_core::GrpcStreamNetworkState::kNotSentOnWire); |
||||
} |
||||
if (!batch->cancel_stream) { |
||||
grpc_transport_stream_op_batch_finish_with_failure( |
||||
batch, |
||||
grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING( |
||||
"FailFirstTenCallsFilter failing batch"), |
||||
GRPC_ERROR_INT_GRPC_STATUS, |
||||
GRPC_STATUS_UNAVAILABLE), |
||||
calld->call_combiner_); |
||||
return; |
||||
} |
||||
} |
||||
grpc_call_next_op(elem, batch); |
||||
} |
||||
|
||||
private: |
||||
explicit CallData(const grpc_call_element_args* args) |
||||
: call_combiner_(args->call_combiner) {} |
||||
|
||||
grpc_core::CallCombiner* call_combiner_; |
||||
bool fail_ = false; |
||||
}; |
||||
|
||||
static grpc_error_handle Init(grpc_channel_element* elem, |
||||
grpc_channel_element_args* /*args*/) { |
||||
new (elem->channel_data) FailFirstTenCallsFilter(); |
||||
return GRPC_ERROR_NONE; |
||||
} |
||||
|
||||
static void Destroy(grpc_channel_element* elem) { |
||||
auto* chand = static_cast<FailFirstTenCallsFilter*>(elem->channel_data); |
||||
chand->~FailFirstTenCallsFilter(); |
||||
} |
||||
|
||||
size_t num_calls_ = 0; |
||||
}; |
||||
|
||||
grpc_channel_filter FailFirstTenCallsFilter::kFilterVtable = { |
||||
CallData::StartTransportStreamOpBatch, |
||||
nullptr, |
||||
grpc_channel_next_op, |
||||
sizeof(CallData), |
||||
CallData::Init, |
||||
grpc_call_stack_ignore_set_pollset_or_pollset_set, |
||||
CallData::Destroy, |
||||
sizeof(FailFirstTenCallsFilter), |
||||
Init, |
||||
Destroy, |
||||
grpc_channel_next_get_info, |
||||
"FailFirstTenCallsFilter", |
||||
}; |
||||
|
||||
} // namespace
|
||||
|
||||
void retry_transparent_not_sent_on_wire(grpc_end2end_test_config config) { |
||||
GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL); |
||||
grpc_core::CoreConfiguration::RunWithSpecialConfiguration( |
||||
[](grpc_core::CoreConfiguration::Builder* builder) { |
||||
grpc_core::BuildCoreConfiguration(builder); |
||||
builder->channel_init()->RegisterStage( |
||||
GRPC_CLIENT_SUBCHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY + 1, |
||||
[](grpc_core::ChannelStackBuilder* builder) { |
||||
// Skip on proxy (which explicitly disables retries).
|
||||
const grpc_channel_args* args = builder->channel_args(); |
||||
if (!grpc_channel_args_find_bool(args, GRPC_ARG_ENABLE_RETRIES, |
||||
true)) { |
||||
return true; |
||||
} |
||||
// Install filter.
|
||||
builder->PrependFilter(&FailFirstTenCallsFilter::kFilterVtable, |
||||
nullptr); |
||||
return true; |
||||
}); |
||||
}, |
||||
[config] { test_retry_transparent_not_sent_on_wire(config); }); |
||||
} |
||||
|
||||
void retry_transparent_not_sent_on_wire_pre_init(void) {} |
||||
Loading…
Reference in new issue