1 /*
2 *
3 * Copyright 2017 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 <limits.h>
22 #include <string.h>
23
24 #include <grpc/support/alloc.h>
25 #include <grpc/support/log.h>
26 #include <grpc/support/sync.h>
27 #include <grpc/support/time.h>
28
29 #include "src/core/lib/gpr/useful.h"
30 #include "test/core/end2end/cq_verifier.h"
31
32 #define MAX_CONNECTION_IDLE_MS 500
33 #define MAX_CONNECTION_AGE_MS 9999
34
tag(intptr_t t)35 static void* tag(intptr_t t) { return (void*)t; }
36
drain_cq(grpc_completion_queue * cq)37 static void drain_cq(grpc_completion_queue* cq) {
38 grpc_event ev;
39 do {
40 ev = grpc_completion_queue_next(cq, grpc_timeout_seconds_to_deadline(5),
41 nullptr);
42 } while (ev.type != GRPC_QUEUE_SHUTDOWN);
43 }
44
simple_request_body(grpc_end2end_test_config,grpc_end2end_test_fixture * f)45 static void simple_request_body(grpc_end2end_test_config /*config*/,
46 grpc_end2end_test_fixture* f) {
47 grpc_call* c;
48 grpc_call* s;
49 cq_verifier* cqv = cq_verifier_create(f->cq);
50 grpc_op ops[6];
51 grpc_op* op;
52 grpc_metadata_array initial_metadata_recv;
53 grpc_metadata_array trailing_metadata_recv;
54 grpc_metadata_array request_metadata_recv;
55 grpc_call_details call_details;
56 grpc_status_code status;
57 grpc_call_error error;
58 grpc_slice details;
59 int was_cancelled = 2;
60 char* peer;
61
62 gpr_timespec deadline = grpc_timeout_seconds_to_deadline(5);
63 c = grpc_channel_create_call(f->client, nullptr, GRPC_PROPAGATE_DEFAULTS,
64 f->cq, grpc_slice_from_static_string("/foo"),
65 nullptr, deadline, nullptr);
66 GPR_ASSERT(c);
67
68 peer = grpc_call_get_peer(c);
69 GPR_ASSERT(peer != nullptr);
70 gpr_log(GPR_DEBUG, "client_peer_before_call=%s", peer);
71 gpr_free(peer);
72
73 grpc_metadata_array_init(&initial_metadata_recv);
74 grpc_metadata_array_init(&trailing_metadata_recv);
75 grpc_metadata_array_init(&request_metadata_recv);
76 grpc_call_details_init(&call_details);
77
78 memset(ops, 0, sizeof(ops));
79 op = ops;
80 op->op = GRPC_OP_SEND_INITIAL_METADATA;
81 op->data.send_initial_metadata.count = 0;
82 op->flags = 0;
83 op->reserved = nullptr;
84 op++;
85 op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
86 op->flags = 0;
87 op->reserved = nullptr;
88 op++;
89 op->op = GRPC_OP_RECV_INITIAL_METADATA;
90 op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
91 op->flags = 0;
92 op->reserved = nullptr;
93 op++;
94 op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
95 op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
96 op->data.recv_status_on_client.status = &status;
97 op->data.recv_status_on_client.status_details = &details;
98 op->flags = 0;
99 op->reserved = nullptr;
100 op++;
101 error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1),
102 nullptr);
103 GPR_ASSERT(GRPC_CALL_OK == error);
104
105 error =
106 grpc_server_request_call(f->server, &s, &call_details,
107 &request_metadata_recv, f->cq, f->cq, tag(101));
108 GPR_ASSERT(GRPC_CALL_OK == error);
109 CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
110 cq_verify(cqv);
111
112 peer = grpc_call_get_peer(s);
113 GPR_ASSERT(peer != nullptr);
114 gpr_log(GPR_DEBUG, "server_peer=%s", peer);
115 gpr_free(peer);
116 peer = grpc_call_get_peer(c);
117 GPR_ASSERT(peer != nullptr);
118 gpr_log(GPR_DEBUG, "client_peer=%s", peer);
119 gpr_free(peer);
120
121 memset(ops, 0, sizeof(ops));
122 op = ops;
123 op->op = GRPC_OP_SEND_INITIAL_METADATA;
124 op->data.send_initial_metadata.count = 0;
125 op->flags = 0;
126 op->reserved = nullptr;
127 op++;
128 op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
129 op->data.send_status_from_server.trailing_metadata_count = 0;
130 op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
131 grpc_slice status_details = grpc_slice_from_static_string("xyz");
132 op->data.send_status_from_server.status_details = &status_details;
133 op->flags = 0;
134 op->reserved = nullptr;
135 op++;
136 op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
137 op->data.recv_close_on_server.cancelled = &was_cancelled;
138 op->flags = 0;
139 op->reserved = nullptr;
140 op++;
141 error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102),
142 nullptr);
143 GPR_ASSERT(GRPC_CALL_OK == error);
144
145 CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
146 CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
147 cq_verify(cqv);
148
149 GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
150 GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
151 GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
152 GPR_ASSERT(0 == call_details.flags);
153 GPR_ASSERT(was_cancelled == 1);
154
155 grpc_slice_unref(details);
156 grpc_metadata_array_destroy(&initial_metadata_recv);
157 grpc_metadata_array_destroy(&trailing_metadata_recv);
158 grpc_metadata_array_destroy(&request_metadata_recv);
159 grpc_call_details_destroy(&call_details);
160
161 grpc_call_unref(c);
162 grpc_call_unref(s);
163
164 cq_verifier_destroy(cqv);
165 }
166
test_max_connection_idle(grpc_end2end_test_config config)167 static void test_max_connection_idle(grpc_end2end_test_config config) {
168 grpc_end2end_test_fixture f = config.create_fixture(nullptr, nullptr);
169 grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
170 cq_verifier* cqv = cq_verifier_create(f.cq);
171
172 grpc_arg client_a[1];
173 client_a[0].type = GRPC_ARG_INTEGER;
174 client_a[0].key =
175 const_cast<char*>("grpc.testing.fixed_reconnect_backoff_ms");
176 client_a[0].value.integer = 1000;
177 grpc_arg server_a[2];
178 server_a[0].type = GRPC_ARG_INTEGER;
179 server_a[0].key = const_cast<char*>(GRPC_ARG_MAX_CONNECTION_IDLE_MS);
180 server_a[0].value.integer = MAX_CONNECTION_IDLE_MS;
181 server_a[1].type = GRPC_ARG_INTEGER;
182 server_a[1].key = const_cast<char*>(GRPC_ARG_MAX_CONNECTION_AGE_MS);
183 server_a[1].value.integer = MAX_CONNECTION_AGE_MS;
184 grpc_channel_args client_args = {GPR_ARRAY_SIZE(client_a), client_a};
185 grpc_channel_args server_args = {GPR_ARRAY_SIZE(server_a), server_a};
186
187 config.init_client(&f, &client_args);
188 config.init_server(&f, &server_args);
189
190 /* check that we're still in idle, and start connecting */
191 GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 1) ==
192 GRPC_CHANNEL_IDLE);
193 /* we'll go through some set of transitions (some might be missed), until
194 READY is reached */
195 while (state != GRPC_CHANNEL_READY) {
196 grpc_channel_watch_connectivity_state(
197 f.client, state, grpc_timeout_seconds_to_deadline(3), f.cq, tag(99));
198 CQ_EXPECT_COMPLETION(cqv, tag(99), 1);
199 cq_verify(cqv);
200 state = grpc_channel_check_connectivity_state(f.client, 0);
201 GPR_ASSERT(state == GRPC_CHANNEL_READY ||
202 state == GRPC_CHANNEL_CONNECTING ||
203 state == GRPC_CHANNEL_TRANSIENT_FAILURE);
204 }
205
206 /* Use a simple request to cancel and reset the max idle timer */
207 simple_request_body(config, &f);
208
209 /* wait for the channel to reach its maximum idle time */
210 grpc_channel_watch_connectivity_state(
211 f.client, GRPC_CHANNEL_READY,
212 grpc_timeout_milliseconds_to_deadline(MAX_CONNECTION_IDLE_MS + 3000),
213 f.cq, tag(99));
214 CQ_EXPECT_COMPLETION(cqv, tag(99), 1);
215 cq_verify(cqv);
216 state = grpc_channel_check_connectivity_state(f.client, 0);
217 GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
218 state == GRPC_CHANNEL_CONNECTING || state == GRPC_CHANNEL_IDLE);
219
220 grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead));
221 CQ_EXPECT_COMPLETION(cqv, tag(0xdead), 1);
222 cq_verify(cqv);
223
224 grpc_server_destroy(f.server);
225 grpc_channel_destroy(f.client);
226 grpc_completion_queue_shutdown(f.cq);
227 drain_cq(f.cq);
228 grpc_completion_queue_destroy(f.cq);
229 grpc_completion_queue_destroy(f.shutdown_cq);
230 config.tear_down_data(&f);
231
232 cq_verifier_destroy(cqv);
233 }
234
max_connection_idle(grpc_end2end_test_config config)235 void max_connection_idle(grpc_end2end_test_config config) {
236 test_max_connection_idle(config);
237 }
238
max_connection_idle_pre_init(void)239 void max_connection_idle_pre_init(void) {}
240