Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 3 | * Copyright 2015 gRPC authors. |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 4 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 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 |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 8 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 10 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 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. |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 16 | * |
| 17 | */ |
| 18 | |
| 19 | #include "test/core/end2end/end2end_tests.h" |
| 20 | |
| 21 | #include <grpc/support/log.h> |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 22 | #include <grpc/support/sync.h> |
| 23 | #include <grpc/support/thd.h> |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 24 | #include <grpc/support/time.h> |
| 25 | |
| 26 | #include "test/core/end2end/cq_verifier.h" |
| 27 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 28 | static void* tag(intptr_t t) { return (void*)t; } |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 29 | |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 30 | typedef struct { |
| 31 | gpr_event started; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 32 | grpc_channel* channel; |
| 33 | grpc_completion_queue* cq; |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 34 | } child_events; |
| 35 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 36 | static void child_thread(void* arg) { |
| 37 | child_events* ce = (child_events*)arg; |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 38 | grpc_event ev; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 39 | gpr_event_set(&ce->started, (void*)1); |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 40 | gpr_log(GPR_DEBUG, "verifying"); |
Craig Tiller | 71a0f9d | 2015-09-28 17:22:01 -0700 | [diff] [blame] | 41 | ev = grpc_completion_queue_next(ce->cq, gpr_inf_future(GPR_CLOCK_MONOTONIC), |
Craig Tiller | 4ac2b8e | 2017-11-10 14:14:17 -0800 | [diff] [blame] | 42 | nullptr); |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 43 | GPR_ASSERT(ev.type == GRPC_OP_COMPLETE); |
| 44 | GPR_ASSERT(ev.tag == tag(1)); |
| 45 | GPR_ASSERT(ev.success == 0); |
| 46 | } |
| 47 | |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 48 | static void test_connectivity(grpc_end2end_test_config config) { |
Craig Tiller | 4ac2b8e | 2017-11-10 14:14:17 -0800 | [diff] [blame] | 49 | grpc_end2end_test_fixture f = config.create_fixture(nullptr, nullptr); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 50 | grpc_connectivity_state state; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 51 | cq_verifier* cqv = cq_verifier_create(f.cq); |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 52 | child_events ce; |
| 53 | gpr_thd_options thdopt = gpr_thd_options_default(); |
| 54 | gpr_thd_id thdid; |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 55 | |
David Garcia Quintas | 1edfb95 | 2016-11-22 17:15:34 -0800 | [diff] [blame] | 56 | grpc_channel_args client_args; |
| 57 | grpc_arg arg_array[1]; |
| 58 | arg_array[0].type = GRPC_ARG_INTEGER; |
Yash Tibrewal | 34a57d0 | 2017-10-23 15:33:21 -0700 | [diff] [blame] | 59 | arg_array[0].key = |
Yash Tibrewal | 40422d5 | 2017-11-06 14:39:17 -0800 | [diff] [blame] | 60 | const_cast<char*>("grpc.testing.fixed_reconnect_backoff_ms"); |
David Garcia Quintas | 1edfb95 | 2016-11-22 17:15:34 -0800 | [diff] [blame] | 61 | arg_array[0].value.integer = 1000; |
| 62 | client_args.args = arg_array; |
| 63 | client_args.num_args = 1; |
| 64 | |
| 65 | config.init_client(&f, &client_args); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 66 | |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 67 | ce.channel = f.client; |
| 68 | ce.cq = f.cq; |
| 69 | gpr_event_init(&ce.started); |
| 70 | gpr_thd_options_set_joinable(&thdopt); |
Vijay Pai | 19988c6 | 2017-12-04 15:28:35 -0800 | [diff] [blame] | 71 | GPR_ASSERT( |
| 72 | gpr_thd_new(&thdid, "grpc_connectivity", child_thread, &ce, &thdopt)); |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 73 | |
| 74 | gpr_event_wait(&ce.started, gpr_inf_future(GPR_CLOCK_MONOTONIC)); |
| 75 | |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 76 | /* channels should start life in IDLE, and stay there */ |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 77 | GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) == |
| 78 | GRPC_CHANNEL_IDLE); |
Robbie Shade | ca7effc | 2017-01-17 09:14:29 -0500 | [diff] [blame] | 79 | gpr_sleep_until(grpc_timeout_milliseconds_to_deadline(100)); |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 80 | GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) == |
| 81 | GRPC_CHANNEL_IDLE); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 82 | |
| 83 | /* start watching for a change */ |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 84 | gpr_log(GPR_DEBUG, "watching"); |
Craig Tiller | 71a0f9d | 2015-09-28 17:22:01 -0700 | [diff] [blame] | 85 | grpc_channel_watch_connectivity_state( |
| 86 | f.client, GRPC_CHANNEL_IDLE, gpr_now(GPR_CLOCK_MONOTONIC), f.cq, tag(1)); |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 87 | |
| 88 | /* eventually the child thread completion should trigger */ |
| 89 | gpr_thd_join(thdid); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 90 | |
| 91 | /* check that we're still in idle, and start connecting */ |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 92 | GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 1) == |
| 93 | GRPC_CHANNEL_IDLE); |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 94 | /* start watching for a change */ |
| 95 | grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_IDLE, |
Robbie Shade | ca7effc | 2017-01-17 09:14:29 -0500 | [diff] [blame] | 96 | grpc_timeout_seconds_to_deadline(3), |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 97 | f.cq, tag(2)); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 98 | |
| 99 | /* and now the watch should trigger */ |
Mark D. Roth | 7187ab9 | 2016-08-24 13:49:22 -0700 | [diff] [blame] | 100 | CQ_EXPECT_COMPLETION(cqv, tag(2), 1); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 101 | cq_verify(cqv); |
Craig Tiller | 2cd9dd9 | 2015-07-31 16:34:37 -0700 | [diff] [blame] | 102 | state = grpc_channel_check_connectivity_state(f.client, 0); |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 103 | GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE || |
Craig Tiller | 74a09698 | 2015-07-31 17:16:22 -0700 | [diff] [blame] | 104 | state == GRPC_CHANNEL_CONNECTING); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 105 | |
| 106 | /* quickly followed by a transition to TRANSIENT_FAILURE */ |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 107 | grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_CONNECTING, |
Robbie Shade | ca7effc | 2017-01-17 09:14:29 -0500 | [diff] [blame] | 108 | grpc_timeout_seconds_to_deadline(3), |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 109 | f.cq, tag(3)); |
Mark D. Roth | 7187ab9 | 2016-08-24 13:49:22 -0700 | [diff] [blame] | 110 | CQ_EXPECT_COMPLETION(cqv, tag(3), 1); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 111 | cq_verify(cqv); |
Craig Tiller | 2cd9dd9 | 2015-07-31 16:34:37 -0700 | [diff] [blame] | 112 | state = grpc_channel_check_connectivity_state(f.client, 0); |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 113 | GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE || |
Craig Tiller | 2cd9dd9 | 2015-07-31 16:34:37 -0700 | [diff] [blame] | 114 | state == GRPC_CHANNEL_CONNECTING); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 115 | |
| 116 | gpr_log(GPR_DEBUG, "*** STARTING SERVER ***"); |
| 117 | |
| 118 | /* now let's bring up a server to connect to */ |
Craig Tiller | 4ac2b8e | 2017-11-10 14:14:17 -0800 | [diff] [blame] | 119 | config.init_server(&f, nullptr); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 120 | |
| 121 | gpr_log(GPR_DEBUG, "*** STARTED SERVER ***"); |
| 122 | |
| 123 | /* we'll go through some set of transitions (some might be missed), until |
| 124 | READY is reached */ |
| 125 | while (state != GRPC_CHANNEL_READY) { |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 126 | grpc_channel_watch_connectivity_state( |
Robbie Shade | ca7effc | 2017-01-17 09:14:29 -0500 | [diff] [blame] | 127 | f.client, state, grpc_timeout_seconds_to_deadline(3), f.cq, tag(4)); |
Mark D. Roth | 7187ab9 | 2016-08-24 13:49:22 -0700 | [diff] [blame] | 128 | CQ_EXPECT_COMPLETION(cqv, tag(4), 1); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 129 | cq_verify(cqv); |
Craig Tiller | 2cd9dd9 | 2015-07-31 16:34:37 -0700 | [diff] [blame] | 130 | state = grpc_channel_check_connectivity_state(f.client, 0); |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 131 | GPR_ASSERT(state == GRPC_CHANNEL_READY || |
| 132 | state == GRPC_CHANNEL_CONNECTING || |
Craig Tiller | 2cd9dd9 | 2015-07-31 16:34:37 -0700 | [diff] [blame] | 133 | state == GRPC_CHANNEL_TRANSIENT_FAILURE); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | /* bring down the server again */ |
| 137 | /* we should go immediately to TRANSIENT_FAILURE */ |
| 138 | gpr_log(GPR_DEBUG, "*** SHUTTING DOWN SERVER ***"); |
| 139 | |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 140 | grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_READY, |
Robbie Shade | ca7effc | 2017-01-17 09:14:29 -0500 | [diff] [blame] | 141 | grpc_timeout_seconds_to_deadline(3), |
Craig Tiller | 8afeec8 | 2015-09-28 17:03:34 -0700 | [diff] [blame] | 142 | f.cq, tag(5)); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 143 | |
| 144 | grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead)); |
| 145 | |
Mark D. Roth | 7187ab9 | 2016-08-24 13:49:22 -0700 | [diff] [blame] | 146 | CQ_EXPECT_COMPLETION(cqv, tag(5), 1); |
| 147 | CQ_EXPECT_COMPLETION(cqv, tag(0xdead), 1); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 148 | cq_verify(cqv); |
Craig Tiller | 2cd9dd9 | 2015-07-31 16:34:37 -0700 | [diff] [blame] | 149 | state = grpc_channel_check_connectivity_state(f.client, 0); |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 150 | GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE || |
Craig Tiller | a6bebf4 | 2015-12-01 17:02:35 -0800 | [diff] [blame] | 151 | state == GRPC_CHANNEL_CONNECTING || state == GRPC_CHANNEL_IDLE); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 152 | |
| 153 | /* cleanup server */ |
| 154 | grpc_server_destroy(f.server); |
| 155 | |
| 156 | gpr_log(GPR_DEBUG, "*** SHUTDOWN SERVER ***"); |
| 157 | |
| 158 | grpc_channel_destroy(f.client); |
| 159 | grpc_completion_queue_shutdown(f.cq); |
| 160 | grpc_completion_queue_destroy(f.cq); |
Sree Kuchibhotla | 321881d | 2017-02-27 11:25:28 -0800 | [diff] [blame] | 161 | |
| 162 | /* shutdown_cq is not used in this test */ |
| 163 | grpc_completion_queue_destroy(f.shutdown_cq); |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 164 | config.tear_down_data(&f); |
| 165 | |
| 166 | cq_verifier_destroy(cqv); |
| 167 | } |
| 168 | |
Craig Tiller | 521423c | 2016-02-22 22:22:22 -0800 | [diff] [blame] | 169 | void connectivity(grpc_end2end_test_config config) { |
Craig Tiller | 1ada6ad | 2015-07-16 16:19:14 -0700 | [diff] [blame] | 170 | GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION); |
| 171 | test_connectivity(config); |
| 172 | } |
Craig Tiller | 9e9edbc | 2016-04-04 10:38:49 -0700 | [diff] [blame] | 173 | |
| 174 | void connectivity_pre_init(void) {} |