1 /*
2  *
3  * Copyright 2015 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 <stdio.h>
20 #include <string.h>
21 
22 #include <grpc/byte_buffer.h>
23 #include <grpc/support/alloc.h>
24 #include <grpc/support/log.h>
25 #include <grpc/support/time.h>
26 
27 #include "test/core/end2end/cq_verifier.h"
28 #include "test/core/end2end/end2end_tests.h"
29 
tag(intptr_t t)30 static void* tag(intptr_t t) { return reinterpret_cast<void*>(t); }
31 
begin_test(grpc_end2end_test_config config,const char * test_name,grpc_channel_args * client_args,grpc_channel_args * server_args)32 static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
33                                             const char* test_name,
34                                             grpc_channel_args* client_args,
35                                             grpc_channel_args* server_args) {
36   grpc_end2end_test_fixture f;
37   gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
38   f = config.create_fixture(client_args, server_args);
39   config.init_server(&f, server_args);
40   config.init_client(&f, client_args);
41   return f;
42 }
43 
n_seconds_from_now(int n)44 static gpr_timespec n_seconds_from_now(int n) {
45   return grpc_timeout_seconds_to_deadline(n);
46 }
47 
five_seconds_from_now(void)48 static gpr_timespec five_seconds_from_now(void) {
49   return n_seconds_from_now(5);
50 }
51 
drain_cq(grpc_completion_queue * cq)52 static void drain_cq(grpc_completion_queue* cq) {
53   grpc_event ev;
54   do {
55     ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr);
56   } while (ev.type != GRPC_QUEUE_SHUTDOWN);
57 }
58 
shutdown_client(grpc_end2end_test_fixture * f)59 static void shutdown_client(grpc_end2end_test_fixture* f) {
60   if (!f->client) return;
61   grpc_channel_destroy(f->client);
62   f->client = nullptr;
63 }
64 
end_test(grpc_end2end_test_fixture * f)65 static void end_test(grpc_end2end_test_fixture* f) {
66   shutdown_client(f);
67 
68   grpc_completion_queue_shutdown(f->cq);
69   drain_cq(f->cq);
70   grpc_completion_queue_destroy(f->cq);
71   /* f->shutdown_cq is not used in this test */
72   grpc_completion_queue_destroy(f->shutdown_cq);
73 }
74 
test_early_server_shutdown_finishes_tags(grpc_end2end_test_config config)75 static void test_early_server_shutdown_finishes_tags(
76     grpc_end2end_test_config config) {
77   grpc_end2end_test_fixture f = begin_test(
78       config, "test_early_server_shutdown_finishes_tags", nullptr, nullptr);
79   cq_verifier* cqv = cq_verifier_create(f.cq);
80   grpc_call* s = reinterpret_cast<grpc_call*>(1);
81   grpc_call_details call_details;
82   grpc_metadata_array request_metadata_recv;
83 
84   grpc_metadata_array_init(&request_metadata_recv);
85   grpc_call_details_init(&call_details);
86 
87   /* upon shutdown, the server should finish all requested calls indicating
88      no new call */
89   GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
90                                  f.server, &s, &call_details,
91                                  &request_metadata_recv, f.cq, f.cq, tag(101)));
92   grpc_server_shutdown_and_notify(f.server, f.cq, tag(1000));
93   CQ_EXPECT_COMPLETION(cqv, tag(101), 0);
94   CQ_EXPECT_COMPLETION(cqv, tag(1000), 1);
95   cq_verify(cqv);
96   GPR_ASSERT(s == nullptr);
97 
98   grpc_server_destroy(f.server);
99 
100   end_test(&f);
101   config.tear_down_data(&f);
102   cq_verifier_destroy(cqv);
103 }
104 
shutdown_finishes_tags(grpc_end2end_test_config config)105 void shutdown_finishes_tags(grpc_end2end_test_config config) {
106   test_early_server_shutdown_finishes_tags(config);
107 }
108 
shutdown_finishes_tags_pre_init(void)109 void shutdown_finishes_tags_pre_init(void) {}
110