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