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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 
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_server(grpc_end2end_test_fixture * f)59 static void shutdown_server(grpc_end2end_test_fixture* f) {
60   if (!f->server) return;
61   grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
62   GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
63                                          grpc_timeout_seconds_to_deadline(5),
64                                          nullptr)
65                  .type == GRPC_OP_COMPLETE);
66   grpc_server_destroy(f->server);
67   f->server = nullptr;
68 }
69 
shutdown_client(grpc_end2end_test_fixture * f)70 static void shutdown_client(grpc_end2end_test_fixture* f) {
71   if (!f->client) return;
72   grpc_channel_destroy(f->client);
73   f->client = nullptr;
74 }
75 
end_test(grpc_end2end_test_fixture * f)76 static void end_test(grpc_end2end_test_fixture* f) {
77   shutdown_server(f);
78   shutdown_client(f);
79 
80   grpc_completion_queue_shutdown(f->cq);
81   drain_cq(f->cq);
82   grpc_completion_queue_destroy(f->cq);
83   grpc_completion_queue_destroy(f->shutdown_cq);
84 }
85 
86 /* Request/response with metadata and payload.*/
test_request_response_with_metadata_and_payload(grpc_end2end_test_config config)87 static void test_request_response_with_metadata_and_payload(
88     grpc_end2end_test_config config) {
89   grpc_call* c;
90   grpc_call* s;
91   grpc_slice request_payload_slice =
92       grpc_slice_from_copied_string("hello world");
93   grpc_slice response_payload_slice =
94       grpc_slice_from_copied_string("hello you");
95   grpc_byte_buffer* request_payload =
96       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
97   grpc_byte_buffer* response_payload =
98       grpc_raw_byte_buffer_create(&response_payload_slice, 1);
99   grpc_metadata meta_c[2] = {{grpc_slice_from_static_string("key1"),
100                               grpc_slice_from_static_string("val1"),
101                               0,
102                               {{nullptr, nullptr, nullptr, nullptr}}},
103                              {grpc_slice_from_static_string("key2"),
104                               grpc_slice_from_static_string("val2"),
105                               0,
106                               {{nullptr, nullptr, nullptr, nullptr}}}};
107   grpc_metadata meta_s[2] = {{grpc_slice_from_static_string("key3"),
108                               grpc_slice_from_static_string("val3"),
109                               0,
110                               {{nullptr, nullptr, nullptr, nullptr}}},
111                              {grpc_slice_from_static_string("key4"),
112                               grpc_slice_from_static_string("val4"),
113                               0,
114                               {{nullptr, nullptr, nullptr, nullptr}}}};
115   grpc_end2end_test_fixture f =
116       begin_test(config, "test_request_response_with_metadata_and_payload",
117                  nullptr, nullptr);
118   cq_verifier* cqv = cq_verifier_create(f.cq);
119   grpc_op ops[6];
120   grpc_op* op;
121   grpc_metadata_array initial_metadata_recv;
122   grpc_metadata_array trailing_metadata_recv;
123   grpc_metadata_array request_metadata_recv;
124   grpc_byte_buffer* request_payload_recv = nullptr;
125   grpc_byte_buffer* response_payload_recv = nullptr;
126   grpc_call_details call_details;
127   grpc_status_code status;
128   grpc_call_error error;
129   grpc_slice details;
130   int was_cancelled = 2;
131 
132   gpr_timespec deadline = five_seconds_from_now();
133   c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq,
134                                grpc_slice_from_static_string("/foo"), nullptr,
135                                deadline, nullptr);
136   GPR_ASSERT(c);
137 
138   grpc_metadata_array_init(&initial_metadata_recv);
139   grpc_metadata_array_init(&trailing_metadata_recv);
140   grpc_metadata_array_init(&request_metadata_recv);
141   grpc_call_details_init(&call_details);
142 
143   memset(ops, 0, sizeof(ops));
144   op = ops;
145   op->op = GRPC_OP_SEND_INITIAL_METADATA;
146   op->data.send_initial_metadata.count = 2;
147   op->data.send_initial_metadata.metadata = meta_c;
148   op->flags = 0;
149   op->reserved = nullptr;
150   op++;
151   op->op = GRPC_OP_SEND_MESSAGE;
152   op->data.send_message.send_message = request_payload;
153   op->flags = 0;
154   op->reserved = nullptr;
155   op++;
156   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
157   op->flags = 0;
158   op->reserved = nullptr;
159   op++;
160   op->op = GRPC_OP_RECV_INITIAL_METADATA;
161   op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
162   op->flags = 0;
163   op->reserved = nullptr;
164   op++;
165   op->op = GRPC_OP_RECV_MESSAGE;
166   op->data.recv_message.recv_message = &response_payload_recv;
167   op->flags = 0;
168   op->reserved = nullptr;
169   op++;
170   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
171   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
172   op->data.recv_status_on_client.status = &status;
173   op->data.recv_status_on_client.status_details = &details;
174   op->flags = 0;
175   op->reserved = nullptr;
176   op++;
177   error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1),
178                                 nullptr);
179   GPR_ASSERT(GRPC_CALL_OK == error);
180 
181   error =
182       grpc_server_request_call(f.server, &s, &call_details,
183                                &request_metadata_recv, f.cq, f.cq, tag(101));
184   GPR_ASSERT(GRPC_CALL_OK == error);
185   CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
186   cq_verify(cqv);
187 
188   memset(ops, 0, sizeof(ops));
189   op = ops;
190   op->op = GRPC_OP_SEND_INITIAL_METADATA;
191   op->data.send_initial_metadata.count = 2;
192   op->data.send_initial_metadata.metadata = meta_s;
193   op->flags = 0;
194   op->reserved = nullptr;
195   op++;
196   op->op = GRPC_OP_RECV_MESSAGE;
197   op->data.recv_message.recv_message = &request_payload_recv;
198   op->flags = 0;
199   op->reserved = nullptr;
200   op++;
201   error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102),
202                                 nullptr);
203   GPR_ASSERT(GRPC_CALL_OK == error);
204 
205   CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
206   cq_verify(cqv);
207 
208   memset(ops, 0, sizeof(ops));
209   op = ops;
210   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
211   op->data.recv_close_on_server.cancelled = &was_cancelled;
212   op->flags = 0;
213   op->reserved = nullptr;
214   op++;
215   op->op = GRPC_OP_SEND_MESSAGE;
216   op->data.send_message.send_message = response_payload;
217   op->flags = 0;
218   op->reserved = nullptr;
219   op++;
220   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
221   op->data.send_status_from_server.trailing_metadata_count = 0;
222   op->data.send_status_from_server.status = GRPC_STATUS_OK;
223   grpc_slice status_details = grpc_slice_from_static_string("xyz");
224   op->data.send_status_from_server.status_details = &status_details;
225   op->flags = 0;
226   op->reserved = nullptr;
227   op++;
228   error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(103),
229                                 nullptr);
230   GPR_ASSERT(GRPC_CALL_OK == error);
231 
232   CQ_EXPECT_COMPLETION(cqv, tag(103), 1);
233   CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
234   cq_verify(cqv);
235 
236   GPR_ASSERT(status == GRPC_STATUS_OK);
237   GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
238   GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
239   GPR_ASSERT(was_cancelled == 0);
240   GPR_ASSERT(byte_buffer_eq_string(request_payload_recv, "hello world"));
241   GPR_ASSERT(byte_buffer_eq_string(response_payload_recv, "hello you"));
242   GPR_ASSERT(contains_metadata(&request_metadata_recv, "key1", "val1"));
243   GPR_ASSERT(contains_metadata(&request_metadata_recv, "key2", "val2"));
244   GPR_ASSERT(contains_metadata(&initial_metadata_recv, "key3", "val3"));
245   GPR_ASSERT(contains_metadata(&initial_metadata_recv, "key4", "val4"));
246 
247   grpc_slice_unref(details);
248   grpc_metadata_array_destroy(&initial_metadata_recv);
249   grpc_metadata_array_destroy(&trailing_metadata_recv);
250   grpc_metadata_array_destroy(&request_metadata_recv);
251   grpc_call_details_destroy(&call_details);
252 
253   grpc_call_unref(c);
254   grpc_call_unref(s);
255 
256   cq_verifier_destroy(cqv);
257 
258   grpc_byte_buffer_destroy(request_payload);
259   grpc_byte_buffer_destroy(response_payload);
260   grpc_byte_buffer_destroy(request_payload_recv);
261   grpc_byte_buffer_destroy(response_payload_recv);
262 
263   end_test(&f);
264   config.tear_down_data(&f);
265 }
266 
simple_metadata(grpc_end2end_test_config config)267 void simple_metadata(grpc_end2end_test_config config) {
268   test_request_response_with_metadata_and_payload(config);
269 }
270 
simple_metadata_pre_init(void)271 void simple_metadata_pre_init(void) {}
272