fix handling of retry perAttemptRecvTimeout exceeded on last attempt (#26737)
* fix handling of retry perAttemptRecvTimeout exceeded on last attempt * fix clang-tidyreviewable/pr26751/r1
Mark D. Roth
4 years ago
committed by
GitHub
parent
a2d0e37c32
commit
1f8aaf0e6a
10 changed files with 330 additions and 29 deletions
@ -0,0 +1,263 @@ |
||||
//
|
||||
// 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 "test/core/end2end/end2end_tests.h" |
||||
|
||||
#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/gpr/string.h" |
||||
#include "src/core/lib/gpr/useful.h" |
||||
#include "src/core/lib/iomgr/exec_ctx.h" |
||||
#include "src/core/lib/transport/static_metadata.h" |
||||
|
||||
#include "test/core/end2end/cq_verifier.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 perAttemptRecvTimeout:
|
||||
// - 1 retry allowed for ABORTED status
|
||||
// - both attempts do not receive a response until after perAttemptRecvTimeout
|
||||
static void test_retry_per_attempt_recv_timeout_on_last_attempt( |
||||
grpc_end2end_test_config config) { |
||||
grpc_call* c; |
||||
grpc_call* s; |
||||
grpc_call* s0; |
||||
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; |
||||
|
||||
grpc_arg args[] = { |
||||
grpc_channel_arg_integer_create( |
||||
const_cast<char*>(GRPC_ARG_ENABLE_RETRIES), 1), |
||||
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\": 2,\n" |
||||
" \"initialBackoff\": \"1s\",\n" |
||||
" \"maxBackoff\": \"120s\",\n" |
||||
" \"backoffMultiplier\": 1.6,\n" |
||||
" \"perAttemptRecvTimeout\": \"2s\",\n" |
||||
" \"retryableStatusCodes\": [ \"ABORTED\" ]\n" |
||||
" }\n" |
||||
" } ]\n" |
||||
"}")), |
||||
}; |
||||
grpc_channel_args client_args = {GPR_ARRAY_SIZE(args), args}; |
||||
grpc_end2end_test_fixture f = |
||||
begin_test(config, "retry", &client_args, nullptr); |
||||
|
||||
cq_verifier* cqv = cq_verifier_create(f.cq); |
||||
|
||||
gpr_timespec deadline = n_seconds_from_now(10); |
||||
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_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); |
||||
|
||||
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), tag(1), |
||||
nullptr); |
||||
GPR_ASSERT(GRPC_CALL_OK == error); |
||||
|
||||
// Server gets a call but does not respond to the call.
|
||||
error = |
||||
grpc_server_request_call(f.server, &s0, &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); |
||||
|
||||
// Make sure the "grpc-previous-rpc-attempts" header was not sent in the
|
||||
// initial attempt.
|
||||
for (size_t i = 0; i < request_metadata_recv.count; ++i) { |
||||
GPR_ASSERT(!grpc_slice_eq(request_metadata_recv.metadata[i].key, |
||||
GRPC_MDSTR_GRPC_PREVIOUS_RPC_ATTEMPTS)); |
||||
} |
||||
|
||||
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, which it also does not respond to.
|
||||
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); |
||||
|
||||
// Now we can unref the first call.
|
||||
grpc_call_unref(s0); |
||||
|
||||
// Make sure the "grpc-previous-rpc-attempts" header was sent in the retry.
|
||||
bool found_retry_header = false; |
||||
for (size_t i = 0; i < request_metadata_recv.count; ++i) { |
||||
if (grpc_slice_eq(request_metadata_recv.metadata[i].key, |
||||
GRPC_MDSTR_GRPC_PREVIOUS_RPC_ATTEMPTS)) { |
||||
GPR_ASSERT( |
||||
grpc_slice_eq(request_metadata_recv.metadata[i].value, GRPC_MDSTR_1)); |
||||
found_retry_header = true; |
||||
break; |
||||
} |
||||
} |
||||
GPR_ASSERT(found_retry_header); |
||||
|
||||
// Client sees call completion.
|
||||
CQ_EXPECT_COMPLETION(cqv, tag(1), true); |
||||
cq_verify(cqv); |
||||
|
||||
GPR_ASSERT(status == GRPC_STATUS_CANCELLED); |
||||
GPR_ASSERT( |
||||
0 == grpc_slice_str_cmp(details, "retry perAttemptRecvTimeout exceeded")); |
||||
GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/service/method")); |
||||
GPR_ASSERT(0 == call_details.flags); |
||||
|
||||
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); |
||||
} |
||||
|
||||
void retry_per_attempt_recv_timeout_on_last_attempt( |
||||
grpc_end2end_test_config config) { |
||||
GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL); |
||||
test_retry_per_attempt_recv_timeout_on_last_attempt(config); |
||||
} |
||||
|
||||
void retry_per_attempt_recv_timeout_on_last_attempt_pre_init(void) {} |
||||
Loading…
Reference in new issue