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 <string>
25
26 #include <grpc/byte_buffer.h>
27 #include <grpc/grpc.h>
28 #include <grpc/support/alloc.h>
29 #include <grpc/support/log.h>
30 #include <grpc/support/time.h>
31 #include "src/core/lib/debug/stats.h"
32 #include "src/core/lib/gpr/string.h"
33 #include "test/core/end2end/cq_verifier.h"
34
tag(intptr_t t)35 static void* tag(intptr_t t) { return (void*)t; }
36
begin_test(grpc_end2end_test_config config,const char * test_name,grpc_channel_args * client_args,grpc_channel_args * server_args)37 static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
38 const char* test_name,
39 grpc_channel_args* client_args,
40 grpc_channel_args* server_args) {
41 grpc_end2end_test_fixture f;
42 gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
43 f = config.create_fixture(client_args, server_args);
44 config.init_server(&f, server_args);
45 config.init_client(&f, client_args);
46 return f;
47 }
48
n_seconds_from_now(int n)49 static gpr_timespec n_seconds_from_now(int n) {
50 return grpc_timeout_seconds_to_deadline(n);
51 }
52
five_seconds_from_now(void)53 static gpr_timespec five_seconds_from_now(void) {
54 return n_seconds_from_now(5);
55 }
56
drain_cq(grpc_completion_queue * cq)57 static void drain_cq(grpc_completion_queue* cq) {
58 grpc_event ev;
59 do {
60 ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr);
61 } while (ev.type != GRPC_QUEUE_SHUTDOWN);
62 }
63
shutdown_server(grpc_end2end_test_fixture * f)64 static void shutdown_server(grpc_end2end_test_fixture* f) {
65 if (!f->server) return;
66 grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
67 GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
68 grpc_timeout_seconds_to_deadline(5),
69 nullptr)
70 .type == GRPC_OP_COMPLETE);
71 grpc_server_destroy(f->server);
72 f->server = nullptr;
73 }
74
shutdown_client(grpc_end2end_test_fixture * f)75 static void shutdown_client(grpc_end2end_test_fixture* f) {
76 if (!f->client) return;
77 grpc_channel_destroy(f->client);
78 f->client = nullptr;
79 }
80
end_test(grpc_end2end_test_fixture * f)81 static void end_test(grpc_end2end_test_fixture* f) {
82 shutdown_server(f);
83 shutdown_client(f);
84
85 grpc_completion_queue_shutdown(f->cq);
86 drain_cq(f->cq);
87 grpc_completion_queue_destroy(f->cq);
88 grpc_completion_queue_destroy(f->shutdown_cq);
89 }
90
check_peer(char * peer_name)91 static void check_peer(char* peer_name) {
92 // If the peer name is a uds path, then check if it is filled
93 if (strncmp(peer_name, "unix:/", strlen("unix:/")) == 0) {
94 GPR_ASSERT(strncmp(peer_name, "unix:/tmp/grpc_fullstack_test.",
95 strlen("unix:/tmp/grpc_fullstack_test.")) == 0);
96 }
97 }
98
simple_request_body(grpc_end2end_test_config config,grpc_end2end_test_fixture f)99 static void simple_request_body(grpc_end2end_test_config config,
100 grpc_end2end_test_fixture f) {
101 grpc_call* c;
102 grpc_call* s;
103 cq_verifier* cqv = cq_verifier_create(f.cq);
104 grpc_op ops[6];
105 grpc_op* op;
106 grpc_metadata_array initial_metadata_recv;
107 grpc_metadata_array trailing_metadata_recv;
108 grpc_metadata_array request_metadata_recv;
109 grpc_call_details call_details;
110 grpc_status_code status;
111 const char* error_string;
112 grpc_call_error error;
113 grpc_slice details;
114 int was_cancelled = 2;
115 char* peer;
116 grpc_stats_data* before =
117 static_cast<grpc_stats_data*>(gpr_malloc(sizeof(grpc_stats_data)));
118 grpc_stats_data* after =
119 static_cast<grpc_stats_data*>(gpr_malloc(sizeof(grpc_stats_data)));
120
121 #if defined(GRPC_COLLECT_STATS) || !defined(NDEBUG)
122 grpc_stats_collect(before);
123 #endif /* defined(GRPC_COLLECT_STATS) || !defined(NDEBUG) */
124
125 gpr_timespec deadline = five_seconds_from_now();
126 c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq,
127 grpc_slice_from_static_string("/foo"), nullptr,
128 deadline, nullptr);
129 GPR_ASSERT(c);
130
131 peer = grpc_call_get_peer(c);
132 GPR_ASSERT(peer != nullptr);
133 gpr_log(GPR_DEBUG, "client_peer_before_call=%s", peer);
134 gpr_free(peer);
135
136 grpc_metadata_array_init(&initial_metadata_recv);
137 grpc_metadata_array_init(&trailing_metadata_recv);
138 grpc_metadata_array_init(&request_metadata_recv);
139 grpc_call_details_init(&call_details);
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_CLOSE_FROM_CLIENT;
149 op->flags = 0;
150 op->reserved = nullptr;
151 op++;
152 op->op = GRPC_OP_RECV_INITIAL_METADATA;
153 op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
154 op->flags = 0;
155 op->reserved = nullptr;
156 op++;
157 op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
158 op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
159 op->data.recv_status_on_client.status = &status;
160 op->data.recv_status_on_client.status_details = &details;
161 op->data.recv_status_on_client.error_string = &error_string;
162 op->flags = 0;
163 op->reserved = nullptr;
164 op++;
165 error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1),
166 nullptr);
167 GPR_ASSERT(GRPC_CALL_OK == error);
168
169 error =
170 grpc_server_request_call(f.server, &s, &call_details,
171 &request_metadata_recv, f.cq, f.cq, tag(101));
172 GPR_ASSERT(GRPC_CALL_OK == error);
173 CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
174 cq_verify(cqv);
175
176 peer = grpc_call_get_peer(s);
177 GPR_ASSERT(peer != nullptr);
178 gpr_log(GPR_DEBUG, "server_peer=%s", peer);
179 check_peer(peer);
180 gpr_free(peer);
181 peer = grpc_call_get_peer(c);
182 GPR_ASSERT(peer != nullptr);
183 gpr_log(GPR_DEBUG, "client_peer=%s", peer);
184 check_peer(peer);
185 gpr_free(peer);
186
187 memset(ops, 0, sizeof(ops));
188 op = ops;
189 op->op = GRPC_OP_SEND_INITIAL_METADATA;
190 op->data.send_initial_metadata.count = 0;
191 op->flags = 0;
192 op->reserved = nullptr;
193 op++;
194 op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
195 op->data.send_status_from_server.trailing_metadata_count = 0;
196 op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
197 grpc_slice status_details = grpc_slice_from_static_string("xyz");
198 op->data.send_status_from_server.status_details = &status_details;
199 op->flags = 0;
200 op->reserved = nullptr;
201 op++;
202 op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
203 op->data.recv_close_on_server.cancelled = &was_cancelled;
204 op->flags = 0;
205 op->reserved = nullptr;
206 op++;
207 error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102),
208 nullptr);
209 GPR_ASSERT(GRPC_CALL_OK == error);
210
211 CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
212 CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
213 cq_verify(cqv);
214
215 GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
216 GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
217 // the following sanity check makes sure that the requested error string is
218 // correctly populated by the core. It looks for certain substrings that are
219 // not likely to change much. Some parts of the error, like time created,
220 // obviously are not checked.
221 GPR_ASSERT(nullptr != strstr(error_string, "xyz"));
222 GPR_ASSERT(nullptr != strstr(error_string, "description"));
223 GPR_ASSERT(nullptr != strstr(error_string, "Error received from peer"));
224 GPR_ASSERT(nullptr != strstr(error_string, "grpc_message"));
225 GPR_ASSERT(nullptr != strstr(error_string, "grpc_status"));
226 GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
227 GPR_ASSERT(0 == call_details.flags);
228 GPR_ASSERT(was_cancelled == 0);
229
230 grpc_slice_unref(details);
231 gpr_free((void*)error_string);
232 grpc_metadata_array_destroy(&initial_metadata_recv);
233 grpc_metadata_array_destroy(&trailing_metadata_recv);
234 grpc_metadata_array_destroy(&request_metadata_recv);
235 grpc_call_details_destroy(&call_details);
236
237 grpc_call_unref(c);
238 grpc_call_unref(s);
239
240 cq_verifier_destroy(cqv);
241
242 int expected_calls = 1;
243 if (config.feature_mask & FEATURE_MASK_SUPPORTS_REQUEST_PROXYING) {
244 expected_calls *= 2;
245 }
246 #if defined(GRPC_COLLECT_STATS) || !defined(NDEBUG)
247
248 grpc_stats_collect(after);
249
250 gpr_log(GPR_DEBUG, "%s", grpc_stats_data_as_json(after).c_str());
251
252 GPR_ASSERT(after->counters[GRPC_STATS_COUNTER_CLIENT_CALLS_CREATED] -
253 before->counters[GRPC_STATS_COUNTER_CLIENT_CALLS_CREATED] ==
254 expected_calls);
255 GPR_ASSERT(after->counters[GRPC_STATS_COUNTER_SERVER_CALLS_CREATED] -
256 before->counters[GRPC_STATS_COUNTER_SERVER_CALLS_CREATED] ==
257 expected_calls);
258 #endif /* defined(GRPC_COLLECT_STATS) || !defined(NDEBUG) */
259 gpr_free(before);
260 gpr_free(after);
261 }
262
test_invoke_simple_request(grpc_end2end_test_config config)263 static void test_invoke_simple_request(grpc_end2end_test_config config) {
264 grpc_end2end_test_fixture f;
265
266 f = begin_test(config, "test_invoke_simple_request", nullptr, nullptr);
267 simple_request_body(config, f);
268 end_test(&f);
269 config.tear_down_data(&f);
270 }
271
test_invoke_10_simple_requests(grpc_end2end_test_config config)272 static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
273 int i;
274 grpc_end2end_test_fixture f =
275 begin_test(config, "test_invoke_10_simple_requests", nullptr, nullptr);
276 for (i = 0; i < 10; i++) {
277 simple_request_body(config, f);
278 gpr_log(GPR_INFO, "Running test: Passed simple request %d", i);
279 }
280 end_test(&f);
281 config.tear_down_data(&f);
282 }
283
simple_request(grpc_end2end_test_config config)284 void simple_request(grpc_end2end_test_config config) {
285 int i;
286 for (i = 0; i < 10; i++) {
287 test_invoke_simple_request(config);
288 }
289 test_invoke_10_simple_requests(config);
290 }
291
simple_request_pre_init(void)292 void simple_request_pre_init(void) {}
293