1 //
2 //
3 // Copyright 2017 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18
19 #include <grpc/impl/channel_arg_names.h>
20 #include <grpc/status.h>
21
22 #include <memory>
23
24 #include "absl/types/optional.h"
25 #include "gtest/gtest.h"
26 #include "src/core/lib/channel/channel_args.h"
27 #include "src/core/util/time.h"
28 #include "test/core/end2end/end2end_tests.h"
29 #include "test/core/end2end/tests/cancel_test_helpers.h"
30
31 namespace grpc_core {
32 namespace {
33
34 // Tests retry cancellation.
TestRetryCancellation(CoreEnd2endTest & test,std::unique_ptr<CancellationMode> mode)35 void TestRetryCancellation(CoreEnd2endTest& test,
36 std::unique_ptr<CancellationMode> mode) {
37 test.InitServer(ChannelArgs());
38 test.InitClient(ChannelArgs().Set(
39 GRPC_ARG_SERVICE_CONFIG,
40 "{\n"
41 " \"methodConfig\": [ {\n"
42 " \"name\": [\n"
43 " { \"service\": \"service\", \"method\": \"method\" }\n"
44 " ],\n"
45 " \"retryPolicy\": {\n"
46 " \"maxAttempts\": 5,\n"
47 " \"initialBackoff\": \"1s\",\n"
48 " \"maxBackoff\": \"120s\",\n"
49 " \"backoffMultiplier\": 1.6,\n"
50 " \"retryableStatusCodes\": [ \"ABORTED\" ]\n"
51 " },\n"
52 " \"timeout\": \"10s\"\n"
53 " } ]\n"
54 "}"));
55 auto c = test.NewClientCall("/service/method")
56 .Timeout(Duration::Seconds(5))
57 .Create();
58 EXPECT_NE(c.GetPeer(), absl::nullopt);
59 // Client starts a batch with all 6 ops.
60 IncomingMetadata server_initial_metadata;
61 IncomingMessage server_message;
62 IncomingStatusOnClient server_status;
63 c.NewBatch(1)
64 .SendInitialMetadata({})
65 .SendMessage("foo")
66 .RecvMessage(server_message)
67 .SendCloseFromClient()
68 .RecvInitialMetadata(server_initial_metadata)
69 .RecvStatusOnClient(server_status);
70 // Server gets a call and fails with retryable status.
71 absl::optional<CoreEnd2endTest::IncomingCall> s = test.RequestCall(101);
72 test.Expect(101, true);
73 test.Step();
74 EXPECT_NE(s->GetPeer(), absl::nullopt);
75 EXPECT_NE(c.GetPeer(), absl::nullopt);
76 IncomingCloseOnServer client_close;
77 s->NewBatch(102)
78 .SendInitialMetadata({})
79 .SendStatusFromServer(GRPC_STATUS_ABORTED, "xyz", {})
80 .RecvCloseOnServer(client_close);
81 test.Expect(102, true);
82 test.Step();
83 s.reset();
84 // Server gets a second call (the retry).
85 s.emplace(test.RequestCall(201));
86 test.Expect(201, true);
87 test.Step();
88 // Initiate cancellation.
89 mode->Apply(c);
90 test.Expect(1, true);
91 test.Step();
92 EXPECT_EQ(server_status.status(), mode->ExpectedStatus());
93 EXPECT_FALSE(client_close.was_cancelled());
94 }
95
CORE_END2END_TEST(RetryTest,RetryCancellation)96 CORE_END2END_TEST(RetryTest, RetryCancellation) {
97 if (!IsRetryInCallv3Enabled()) SKIP_IF_V3();
98 TestRetryCancellation(*this, std::make_unique<CancelCancellationMode>());
99 }
100
CORE_END2END_TEST(RetryTest,RetryDeadline)101 CORE_END2END_TEST(RetryTest, RetryDeadline) {
102 if (!IsRetryInCallv3Enabled()) SKIP_IF_V3();
103 TestRetryCancellation(*this, std::make_unique<DeadlineCancellationMode>());
104 }
105
106 } // namespace
107 } // namespace grpc_core
108