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 with a large amount of metadata.
test_request_with_large_metadata(grpc_end2end_test_config config)87 static void test_request_with_large_metadata(grpc_end2end_test_config config) {
88 grpc_call* c;
89 grpc_call* s;
90 grpc_slice request_payload_slice =
91 grpc_slice_from_copied_string("hello world");
92 grpc_byte_buffer* request_payload =
93 grpc_raw_byte_buffer_create(&request_payload_slice, 1);
94 grpc_metadata meta;
95 const size_t large_size = 64 * 1024;
96 grpc_arg arg;
97 arg.type = GRPC_ARG_INTEGER;
98 arg.key = const_cast<char*>(GRPC_ARG_MAX_METADATA_SIZE);
99 arg.value.integer = static_cast<int>(large_size) + 1024;
100 grpc_channel_args args = {1, &arg};
101 grpc_end2end_test_fixture f =
102 begin_test(config, "test_request_with_large_metadata", &args, &args);
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_byte_buffer* request_payload_recv = nullptr;
110 grpc_call_details call_details;
111 grpc_status_code status;
112 grpc_call_error error;
113 grpc_slice details;
114 int was_cancelled = 2;
115
116 gpr_timespec deadline = five_seconds_from_now();
117 c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq,
118 grpc_slice_from_static_string("/foo"), nullptr,
119 deadline, nullptr);
120 GPR_ASSERT(c);
121
122 meta.key = grpc_slice_from_static_string("key");
123 meta.value = grpc_slice_malloc(large_size);
124 memset(GRPC_SLICE_START_PTR(meta.value), 'a', large_size);
125
126 grpc_metadata_array_init(&initial_metadata_recv);
127 grpc_metadata_array_init(&trailing_metadata_recv);
128 grpc_metadata_array_init(&request_metadata_recv);
129 grpc_call_details_init(&call_details);
130
131 memset(ops, 0, sizeof(ops));
132 // Client: send request.
133 op = ops;
134 op->op = GRPC_OP_SEND_INITIAL_METADATA;
135 op->data.send_initial_metadata.count = 1;
136 op->data.send_initial_metadata.metadata = &meta;
137 op->flags = 0;
138 op->reserved = nullptr;
139 op++;
140 op->op = GRPC_OP_SEND_MESSAGE;
141 op->data.send_message.send_message = request_payload;
142 op->flags = 0;
143 op->reserved = nullptr;
144 op++;
145 op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
146 op->flags = 0;
147 op->reserved = nullptr;
148 op++;
149 op->op = GRPC_OP_RECV_INITIAL_METADATA;
150 op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
151 op->flags = 0;
152 op->reserved = nullptr;
153 op++;
154 op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
155 op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
156 op->data.recv_status_on_client.status = &status;
157 op->data.recv_status_on_client.status_details = &details;
158 op->flags = 0;
159 op->reserved = nullptr;
160 op++;
161 error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1),
162 nullptr);
163 GPR_ASSERT(GRPC_CALL_OK == error);
164
165 error =
166 grpc_server_request_call(f.server, &s, &call_details,
167 &request_metadata_recv, f.cq, f.cq, tag(101));
168 GPR_ASSERT(GRPC_CALL_OK == error);
169
170 CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
171 cq_verify(cqv);
172
173 memset(ops, 0, sizeof(ops));
174 // Server: send initial metadata and receive request.
175 op = ops;
176 op->op = GRPC_OP_SEND_INITIAL_METADATA;
177 op->data.send_initial_metadata.count = 0;
178 op->flags = 0;
179 op->reserved = nullptr;
180 op++;
181 op->op = GRPC_OP_RECV_MESSAGE;
182 op->data.recv_message.recv_message = &request_payload_recv;
183 op->flags = 0;
184 op->reserved = nullptr;
185 op++;
186 error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102),
187 nullptr);
188 GPR_ASSERT(GRPC_CALL_OK == error);
189
190 CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
191 cq_verify(cqv);
192
193 memset(ops, 0, sizeof(ops));
194 // Server: receive close and send status. This should trigger
195 // completion of request on client.
196 op = ops;
197 op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
198 op->data.recv_close_on_server.cancelled = &was_cancelled;
199 op->flags = 0;
200 op->reserved = nullptr;
201 op++;
202 op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
203 op->data.send_status_from_server.trailing_metadata_count = 0;
204 op->data.send_status_from_server.status = GRPC_STATUS_OK;
205 grpc_slice status_details = grpc_slice_from_static_string("xyz");
206 op->data.send_status_from_server.status_details = &status_details;
207 op->flags = 0;
208 op->reserved = nullptr;
209 op++;
210 error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(103),
211 nullptr);
212 GPR_ASSERT(GRPC_CALL_OK == error);
213
214 CQ_EXPECT_COMPLETION(cqv, tag(103), 1);
215 CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
216 cq_verify(cqv);
217
218 GPR_ASSERT(status == GRPC_STATUS_OK);
219 GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
220 GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
221 GPR_ASSERT(was_cancelled == 0);
222 GPR_ASSERT(byte_buffer_eq_string(request_payload_recv, "hello world"));
223 GPR_ASSERT(contains_metadata_slices(&request_metadata_recv,
224 grpc_slice_from_static_string("key"),
225 meta.value));
226
227 grpc_slice_unref(details);
228 grpc_metadata_array_destroy(&initial_metadata_recv);
229 grpc_metadata_array_destroy(&trailing_metadata_recv);
230 grpc_metadata_array_destroy(&request_metadata_recv);
231 grpc_call_details_destroy(&call_details);
232
233 grpc_call_unref(c);
234 grpc_call_unref(s);
235
236 cq_verifier_destroy(cqv);
237
238 grpc_byte_buffer_destroy(request_payload);
239 grpc_byte_buffer_destroy(request_payload_recv);
240
241 grpc_slice_unref(meta.value);
242
243 end_test(&f);
244 config.tear_down_data(&f);
245 }
246
large_metadata(grpc_end2end_test_config config)247 void large_metadata(grpc_end2end_test_config config) {
248 test_request_with_large_metadata(config);
249 }
250
large_metadata_pre_init(void)251 void large_metadata_pre_init(void) {}
252