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 <grpc/support/log.h>
22 #include <grpc/support/sync.h>
23 #include <grpc/support/time.h>
24
25 #include "src/core/lib/gpr/useful.h"
26 #include "test/core/end2end/cq_verifier.h"
27
28 #define PING_NUM 5
29
tag(intptr_t t)30 static void* tag(intptr_t t) { return (void*)t; }
31
test_ping(grpc_end2end_test_config config,int min_time_between_pings_ms)32 static void test_ping(grpc_end2end_test_config config,
33 int min_time_between_pings_ms) {
34 grpc_end2end_test_fixture f = config.create_fixture(nullptr, nullptr);
35 cq_verifier* cqv = cq_verifier_create(f.cq);
36 grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
37 int i;
38
39 grpc_arg client_a[3];
40 client_a[0].type = GRPC_ARG_INTEGER;
41 client_a[0].key =
42 const_cast<char*>(GRPC_ARG_HTTP2_MIN_SENT_PING_INTERVAL_WITHOUT_DATA_MS);
43 client_a[0].value.integer = 10;
44 client_a[1].type = GRPC_ARG_INTEGER;
45 client_a[1].key = const_cast<char*>(GRPC_ARG_HTTP2_MAX_PINGS_WITHOUT_DATA);
46 client_a[1].value.integer = 0;
47 client_a[2].type = GRPC_ARG_INTEGER;
48 client_a[2].key = const_cast<char*>(GRPC_ARG_KEEPALIVE_PERMIT_WITHOUT_CALLS);
49 client_a[2].value.integer = 1;
50 grpc_arg server_a[2];
51 server_a[0].type = GRPC_ARG_INTEGER;
52 server_a[0].key =
53 const_cast<char*>(GRPC_ARG_HTTP2_MIN_RECV_PING_INTERVAL_WITHOUT_DATA_MS);
54 server_a[0].value.integer = 0;
55 server_a[1].type = GRPC_ARG_INTEGER;
56 server_a[1].key = const_cast<char*>(GRPC_ARG_KEEPALIVE_PERMIT_WITHOUT_CALLS);
57 server_a[1].value.integer = 1;
58 grpc_channel_args client_args = {GPR_ARRAY_SIZE(client_a), client_a};
59 grpc_channel_args server_args = {GPR_ARRAY_SIZE(server_a), server_a};
60
61 config.init_client(&f, &client_args);
62 config.init_server(&f, &server_args);
63
64 grpc_channel_ping(f.client, f.cq, tag(0), nullptr);
65 CQ_EXPECT_COMPLETION(cqv, tag(0), 0);
66
67 /* check that we're still in idle, and start connecting */
68 GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 1) ==
69 GRPC_CHANNEL_IDLE);
70 /* we'll go through some set of transitions (some might be missed), until
71 READY is reached */
72 while (state != GRPC_CHANNEL_READY) {
73 grpc_channel_watch_connectivity_state(
74 f.client, state,
75 gpr_time_add(grpc_timeout_seconds_to_deadline(3),
76 gpr_time_from_millis(min_time_between_pings_ms * PING_NUM,
77 GPR_TIMESPAN)),
78 f.cq, tag(99));
79 CQ_EXPECT_COMPLETION(cqv, tag(99), 1);
80 cq_verify(cqv);
81 state = grpc_channel_check_connectivity_state(f.client, 0);
82 GPR_ASSERT(state == GRPC_CHANNEL_READY ||
83 state == GRPC_CHANNEL_CONNECTING ||
84 state == GRPC_CHANNEL_TRANSIENT_FAILURE);
85 }
86
87 for (i = 1; i <= PING_NUM; i++) {
88 grpc_channel_ping(f.client, f.cq, tag(i), nullptr);
89 CQ_EXPECT_COMPLETION(cqv, tag(i), 1);
90 cq_verify(cqv);
91 }
92
93 grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead));
94 CQ_EXPECT_COMPLETION(cqv, tag(0xdead), 1);
95 cq_verify(cqv);
96
97 /* cleanup server */
98 grpc_server_destroy(f.server);
99
100 grpc_channel_destroy(f.client);
101 grpc_completion_queue_shutdown(f.cq);
102 grpc_completion_queue_destroy(f.cq);
103
104 /* f.shutdown_cq is not used in this test */
105 grpc_completion_queue_destroy(f.shutdown_cq);
106 config.tear_down_data(&f);
107
108 cq_verifier_destroy(cqv);
109 }
110
ping(grpc_end2end_test_config config)111 void ping(grpc_end2end_test_config config) {
112 GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
113 test_ping(config, 0);
114 test_ping(config, 100);
115 }
116
ping_pre_init(void)117 void ping_pre_init(void) {}
118