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 "test/core/end2end/end2end_tests.h"
20 
21 #include <stdio.h>
22 #include <string.h>
23 
24 #include <grpc/byte_buffer.h>
25 #include <grpc/support/alloc.h>
26 #include <grpc/support/log.h>
27 #include <grpc/support/time.h>
28 #include "test/core/end2end/cq_verifier.h"
29 
tag(intptr_t t)30 static void* tag(intptr_t t) { return (void*)t; }
31 
n_seconds_from_now(int n)32 static gpr_timespec n_seconds_from_now(int n) {
33   return grpc_timeout_seconds_to_deadline(n);
34 }
35 
five_seconds_from_now(void)36 static gpr_timespec five_seconds_from_now(void) {
37   return n_seconds_from_now(5);
38 }
39 
drain_cq(grpc_completion_queue * cq)40 static void drain_cq(grpc_completion_queue* cq) {
41   grpc_event ev;
42   do {
43     ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr);
44   } while (ev.type != GRPC_QUEUE_SHUTDOWN);
45 }
46 
shutdown_server(grpc_end2end_test_fixture * f)47 static void shutdown_server(grpc_end2end_test_fixture* f) {
48   if (!f->server) return;
49   grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
50   GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
51                                          grpc_timeout_seconds_to_deadline(5),
52                                          nullptr)
53                  .type == GRPC_OP_COMPLETE);
54   grpc_server_destroy(f->server);
55   f->server = nullptr;
56 }
57 
shutdown_client(grpc_end2end_test_fixture * f)58 static void shutdown_client(grpc_end2end_test_fixture* f) {
59   if (!f->client) return;
60   grpc_channel_destroy(f->client);
61   f->client = nullptr;
62 }
63 
end_test(grpc_end2end_test_fixture * f)64 static void end_test(grpc_end2end_test_fixture* f) {
65   shutdown_server(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   grpc_completion_queue_destroy(f->shutdown_cq);
72 }
73 
simple_delayed_request_body(grpc_end2end_test_config config,grpc_end2end_test_fixture * f,grpc_channel_args * client_args,grpc_channel_args * server_args,long)74 static void simple_delayed_request_body(grpc_end2end_test_config config,
75                                         grpc_end2end_test_fixture* f,
76                                         grpc_channel_args* client_args,
77                                         grpc_channel_args* server_args,
78                                         long /*delay_us*/) {
79   grpc_call* c;
80   grpc_call* s;
81   cq_verifier* cqv = cq_verifier_create(f->cq);
82   grpc_op ops[6];
83   grpc_op* op;
84   grpc_metadata_array initial_metadata_recv;
85   grpc_metadata_array trailing_metadata_recv;
86   grpc_metadata_array request_metadata_recv;
87   grpc_call_details call_details;
88   grpc_status_code status;
89   grpc_call_error error;
90   grpc_slice details;
91   int was_cancelled = 2;
92 
93   config.init_client(f, client_args);
94   config.init_server(f, server_args);
95 
96   gpr_timespec deadline = five_seconds_from_now();
97   c = grpc_channel_create_call(f->client, nullptr, GRPC_PROPAGATE_DEFAULTS,
98                                f->cq, grpc_slice_from_static_string("/foo"),
99                                nullptr, deadline, nullptr);
100   GPR_ASSERT(c);
101 
102   grpc_metadata_array_init(&initial_metadata_recv);
103   grpc_metadata_array_init(&trailing_metadata_recv);
104   grpc_metadata_array_init(&request_metadata_recv);
105   grpc_call_details_init(&call_details);
106 
107   memset(ops, 0, sizeof(ops));
108   op = ops;
109   op->op = GRPC_OP_SEND_INITIAL_METADATA;
110   op->data.send_initial_metadata.count = 0;
111   op->flags = GRPC_INITIAL_METADATA_WAIT_FOR_READY;
112   op->reserved = nullptr;
113   op++;
114   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
115   op->flags = 0;
116   op->reserved = nullptr;
117   op++;
118   op->op = GRPC_OP_RECV_INITIAL_METADATA;
119   op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
120   op->flags = 0;
121   op->reserved = nullptr;
122   op++;
123   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
124   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
125   op->data.recv_status_on_client.status = &status;
126   op->data.recv_status_on_client.status_details = &details;
127   op->flags = 0;
128   op->reserved = nullptr;
129   op++;
130   error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1),
131                                 nullptr);
132   GPR_ASSERT(GRPC_CALL_OK == error);
133 
134   error =
135       grpc_server_request_call(f->server, &s, &call_details,
136                                &request_metadata_recv, f->cq, f->cq, tag(101));
137   GPR_ASSERT(GRPC_CALL_OK == error);
138   CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
139   cq_verify(cqv);
140 
141   memset(ops, 0, sizeof(ops));
142   op = ops;
143   op->op = GRPC_OP_SEND_INITIAL_METADATA;
144   op->data.send_initial_metadata.count = 0;
145   op->flags = 0;
146   op->reserved = nullptr;
147   op++;
148   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
149   op->data.send_status_from_server.trailing_metadata_count = 0;
150   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
151   grpc_slice status_details = grpc_slice_from_static_string("xyz");
152   op->data.send_status_from_server.status_details = &status_details;
153   op->flags = 0;
154   op->reserved = nullptr;
155   op++;
156   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
157   op->data.recv_close_on_server.cancelled = &was_cancelled;
158   op->flags = 0;
159   op->reserved = nullptr;
160   op++;
161   error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102),
162                                 nullptr);
163   GPR_ASSERT(GRPC_CALL_OK == error);
164 
165   CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
166   CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
167   cq_verify(cqv);
168 
169   GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
170   GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
171   GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
172   GPR_ASSERT(was_cancelled == 1);
173 
174   grpc_slice_unref(details);
175   grpc_metadata_array_destroy(&initial_metadata_recv);
176   grpc_metadata_array_destroy(&trailing_metadata_recv);
177   grpc_metadata_array_destroy(&request_metadata_recv);
178   grpc_call_details_destroy(&call_details);
179 
180   grpc_call_unref(c);
181   grpc_call_unref(s);
182 
183   cq_verifier_destroy(cqv);
184 }
185 
test_simple_delayed_request_short(grpc_end2end_test_config config)186 static void test_simple_delayed_request_short(grpc_end2end_test_config config) {
187   grpc_end2end_test_fixture f;
188   grpc_channel_args client_args;
189   grpc_arg arg_array[1];
190   arg_array[0].type = GRPC_ARG_INTEGER;
191   arg_array[0].key =
192       const_cast<char*>("grpc.testing.fixed_reconnect_backoff_ms");
193   arg_array[0].value.integer = 1000;
194   client_args.args = arg_array;
195   client_args.num_args = 1;
196 
197   gpr_log(GPR_INFO, "Running test: %s/%s", "test_simple_delayed_request_short",
198           config.name);
199   f = config.create_fixture(nullptr, nullptr);
200 
201   simple_delayed_request_body(config, &f, &client_args, nullptr, 100000);
202   end_test(&f);
203   config.tear_down_data(&f);
204 }
205 
test_simple_delayed_request_long(grpc_end2end_test_config config)206 static void test_simple_delayed_request_long(grpc_end2end_test_config config) {
207   grpc_end2end_test_fixture f;
208   grpc_channel_args client_args;
209   grpc_arg arg_array[1];
210   arg_array[0].type = GRPC_ARG_INTEGER;
211   arg_array[0].key =
212       const_cast<char*>("grpc.testing.fixed_reconnect_backoff_ms");
213   arg_array[0].value.integer = 1000;
214   client_args.args = arg_array;
215   client_args.num_args = 1;
216 
217   gpr_log(GPR_INFO, "Running test: %s/%s", "test_simple_delayed_request_long",
218           config.name);
219   f = config.create_fixture(nullptr, nullptr);
220   /* This timeout should be longer than a single retry */
221   simple_delayed_request_body(config, &f, &client_args, nullptr, 1500000);
222   end_test(&f);
223   config.tear_down_data(&f);
224 }
225 
simple_delayed_request(grpc_end2end_test_config config)226 void simple_delayed_request(grpc_end2end_test_config config) {
227   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
228   test_simple_delayed_request_short(config);
229   test_simple_delayed_request_long(config);
230 }
231 
simple_delayed_request_pre_init(void)232 void simple_delayed_request_pre_init(void) {}
233