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/grpc.h>
26 #include <grpc/support/alloc.h>
27 #include <grpc/support/log.h>
28 #include <grpc/support/string_util.h>
29 #include <grpc/support/time.h>
30
31 #include "src/core/lib/gpr/string.h"
32 #include "test/core/end2end/cq_verifier.h"
33
tag(intptr_t t)34 static void* tag(intptr_t t) { return (void*)t; }
35
begin_test(grpc_end2end_test_config config,const char * test_name,grpc_channel_args * client_args,grpc_channel_args * server_args)36 static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
37 const char* test_name,
38 grpc_channel_args* client_args,
39 grpc_channel_args* server_args) {
40 grpc_end2end_test_fixture f;
41 gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
42 f = config.create_fixture(client_args, server_args);
43 config.init_server(&f, server_args);
44 config.init_client(&f, client_args);
45 return f;
46 }
47
n_seconds_from_now(int n)48 static gpr_timespec n_seconds_from_now(int n) {
49 return grpc_timeout_seconds_to_deadline(n);
50 }
51
five_seconds_from_now(void)52 static gpr_timespec five_seconds_from_now(void) {
53 return n_seconds_from_now(5);
54 }
55
drain_cq(grpc_completion_queue * cq)56 static void drain_cq(grpc_completion_queue* cq) {
57 grpc_event ev;
58 do {
59 ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr);
60 } while (ev.type != GRPC_QUEUE_SHUTDOWN);
61 }
62
shutdown_server(grpc_end2end_test_fixture * f)63 static void shutdown_server(grpc_end2end_test_fixture* f) {
64 if (!f->server) return;
65 grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
66 GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
67 grpc_timeout_seconds_to_deadline(5),
68 nullptr)
69 .type == GRPC_OP_COMPLETE);
70 grpc_server_destroy(f->server);
71 f->server = nullptr;
72 }
73
shutdown_client(grpc_end2end_test_fixture * f)74 static void shutdown_client(grpc_end2end_test_fixture* f) {
75 if (!f->client) return;
76 grpc_channel_destroy(f->client);
77 f->client = nullptr;
78 }
79
end_test(grpc_end2end_test_fixture * f)80 static void end_test(grpc_end2end_test_fixture* f) {
81 shutdown_server(f);
82 shutdown_client(f);
83
84 grpc_completion_queue_shutdown(f->cq);
85 drain_cq(f->cq);
86 grpc_completion_queue_destroy(f->cq);
87 grpc_completion_queue_destroy(f->shutdown_cq);
88 }
89
simple_request_body(grpc_end2end_test_config config,grpc_end2end_test_fixture f)90 static void simple_request_body(grpc_end2end_test_config config,
91 grpc_end2end_test_fixture f) {
92 grpc_call* c;
93 grpc_call* s;
94 cq_verifier* cqv = cq_verifier_create(f.cq);
95 grpc_op ops[6];
96 grpc_op* op;
97 grpc_metadata_array initial_metadata_recv;
98 grpc_metadata_array trailing_metadata_recv;
99 grpc_metadata_array request_metadata_recv;
100 grpc_call_details call_details;
101 grpc_status_code status;
102 grpc_call_error error;
103 grpc_slice details;
104 int was_cancelled = 2;
105
106 gpr_timespec deadline = five_seconds_from_now();
107 c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq,
108 grpc_slice_from_static_string("/foo"), nullptr,
109 deadline, nullptr);
110 GPR_ASSERT(c);
111
112 grpc_metadata_array_init(&initial_metadata_recv);
113 grpc_metadata_array_init(&trailing_metadata_recv);
114 grpc_metadata_array_init(&request_metadata_recv);
115 grpc_call_details_init(&call_details);
116
117 memset(ops, 0, sizeof(ops));
118 op = ops;
119 op->op = GRPC_OP_SEND_INITIAL_METADATA;
120 op->data.send_initial_metadata.count = 0;
121 op->flags = 0;
122 op->reserved = nullptr;
123 op++;
124 op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
125 op->flags = 0;
126 op->reserved = nullptr;
127 op++;
128 op->op = GRPC_OP_RECV_INITIAL_METADATA;
129 op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
130 op->flags = 0;
131 op->reserved = nullptr;
132 op++;
133 op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
134 op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
135 op->data.recv_status_on_client.status = &status;
136 op->data.recv_status_on_client.status_details = &details;
137 op->flags = 0;
138 op->reserved = nullptr;
139 op++;
140 error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1),
141 nullptr);
142 GPR_ASSERT(GRPC_CALL_OK == error);
143
144 error =
145 grpc_server_request_call(f.server, &s, &call_details,
146 &request_metadata_recv, f.cq, f.cq, tag(101));
147 GPR_ASSERT(GRPC_CALL_OK == error);
148 CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
149 cq_verify(cqv);
150
151 memset(ops, 0, sizeof(ops));
152 op = ops;
153 op->op = GRPC_OP_SEND_INITIAL_METADATA;
154 op->data.send_initial_metadata.count = 0;
155 op->flags = 0;
156 op->reserved = nullptr;
157 op++;
158 op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
159 op->data.send_status_from_server.trailing_metadata_count = 0;
160 op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
161 grpc_slice status_details = grpc_slice_from_static_string("xyz");
162 op->data.send_status_from_server.status_details = &status_details;
163 op->flags = 0;
164 op->reserved = nullptr;
165 op++;
166 op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
167 op->data.recv_close_on_server.cancelled = &was_cancelled;
168 op->flags = 0;
169 op->reserved = nullptr;
170 op++;
171 error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102),
172 nullptr);
173 GPR_ASSERT(GRPC_CALL_OK == error);
174
175 CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
176 CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
177 cq_verify(cqv);
178
179 GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
180 GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
181 GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
182 GPR_ASSERT(was_cancelled == 1);
183
184 grpc_slice_unref(details);
185 grpc_metadata_array_destroy(&initial_metadata_recv);
186 grpc_metadata_array_destroy(&trailing_metadata_recv);
187 grpc_metadata_array_destroy(&request_metadata_recv);
188 grpc_call_details_destroy(&call_details);
189
190 grpc_call_unref(c);
191 grpc_call_unref(s);
192
193 /* TODO(ctiller): this rate limits the test, and it should be removed when
194 retry has been implemented; until then cross-thread chatter
195 may result in some requests needing to be cancelled due to
196 seqno exhaustion. */
197 cq_verify_empty(cqv);
198
199 cq_verifier_destroy(cqv);
200 }
201
test_invoke_10_simple_requests(grpc_end2end_test_config config,int initial_sequence_number)202 static void test_invoke_10_simple_requests(grpc_end2end_test_config config,
203 int initial_sequence_number) {
204 int i;
205 grpc_end2end_test_fixture f;
206 grpc_arg client_arg;
207 grpc_channel_args client_args;
208 char* name;
209
210 client_arg.type = GRPC_ARG_INTEGER;
211 client_arg.key = const_cast<char*>(GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER);
212 client_arg.value.integer = initial_sequence_number;
213
214 client_args.num_args = 1;
215 client_args.args = &client_arg;
216
217 gpr_asprintf(&name, "test_invoke_requests first_seqno=%d",
218 initial_sequence_number);
219 f = begin_test(config, name, &client_args, nullptr);
220 for (i = 0; i < 10; i++) {
221 simple_request_body(config, f);
222 gpr_log(GPR_INFO, "Running test: Passed simple request %d", i);
223 }
224 end_test(&f);
225 config.tear_down_data(&f);
226 gpr_free(name);
227 }
228
high_initial_seqno(grpc_end2end_test_config config)229 void high_initial_seqno(grpc_end2end_test_config config) {
230 test_invoke_10_simple_requests(config, 16777213);
231 if (config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION) {
232 test_invoke_10_simple_requests(config, 2147483645);
233 }
234 }
235
high_initial_seqno_pre_init(void)236 void high_initial_seqno_pre_init(void) {}
237