ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 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 "src/core/lib/surface/channel.h" |
| 25 | |
| 26 | #include <grpc/byte_buffer.h> |
| 27 | #include <grpc/grpc.h> |
| 28 | #include <grpc/support/alloc.h> |
| 29 | #include <grpc/support/log.h> |
| 30 | #include <grpc/support/time.h> |
| 31 | #include "src/core/lib/gpr/string.h" |
| 32 | #include "test/core/end2end/cq_verifier.h" |
| 33 | |
| 34 | static void* tag(intptr_t t) { return (void*)t; } |
| 35 | |
| 36 | static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, |
| 37 | const char* test_name, |
| 38 | grpc_channel_args* client_args, |
| 39 | grpc_channel_args* server_args) { |
| 40 | grpc_end2end_test_fixture f; |
| 41 | gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name); |
| 42 | f = config.create_fixture(client_args, server_args); |
| 43 | config.init_server(&f, server_args); |
| 44 | config.init_client(&f, client_args); |
| 45 | return f; |
| 46 | } |
| 47 | |
| 48 | static gpr_timespec n_seconds_from_now(int n) { |
| 49 | return grpc_timeout_seconds_to_deadline(n); |
| 50 | } |
| 51 | |
| 52 | static gpr_timespec five_seconds_from_now(void) { |
| 53 | return n_seconds_from_now(5); |
| 54 | } |
| 55 | |
| 56 | static void drain_cq(grpc_completion_queue* cq) { |
| 57 | grpc_event ev; |
| 58 | do { |
| 59 | ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr); |
| 60 | } while (ev.type != GRPC_QUEUE_SHUTDOWN); |
| 61 | } |
| 62 | |
| 63 | static void shutdown_server(grpc_end2end_test_fixture* f) { |
| 64 | if (!f->server) return; |
| 65 | grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000)); |
| 66 | GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000), |
| 67 | grpc_timeout_seconds_to_deadline(5), |
| 68 | nullptr) |
| 69 | .type == GRPC_OP_COMPLETE); |
| 70 | grpc_server_destroy(f->server); |
| 71 | f->server = nullptr; |
| 72 | } |
| 73 | |
| 74 | static void shutdown_client(grpc_end2end_test_fixture* f) { |
| 75 | if (!f->client) return; |
| 76 | grpc_channel_destroy(f->client); |
| 77 | f->client = nullptr; |
| 78 | } |
| 79 | |
| 80 | static void end_test(grpc_end2end_test_fixture* f) { |
| 81 | shutdown_server(f); |
| 82 | shutdown_client(f); |
| 83 | |
| 84 | grpc_completion_queue_shutdown(f->cq); |
| 85 | drain_cq(f->cq); |
| 86 | grpc_completion_queue_destroy(f->cq); |
| 87 | grpc_completion_queue_destroy(f->shutdown_cq); |
| 88 | } |
| 89 | |
| 90 | static void run_one_request(grpc_end2end_test_config config, |
| 91 | grpc_end2end_test_fixture f, |
| 92 | bool request_is_success) { |
| 93 | grpc_call* c; |
| 94 | grpc_call* s; |
| 95 | cq_verifier* cqv = cq_verifier_create(f.cq); |
| 96 | grpc_op ops[6]; |
| 97 | grpc_op* op; |
| 98 | grpc_metadata_array initial_metadata_recv; |
| 99 | grpc_metadata_array trailing_metadata_recv; |
| 100 | grpc_metadata_array request_metadata_recv; |
| 101 | grpc_call_details call_details; |
| 102 | grpc_status_code status; |
| 103 | grpc_call_error error; |
| 104 | grpc_slice details; |
| 105 | int was_cancelled = 2; |
| 106 | |
| 107 | gpr_timespec deadline = five_seconds_from_now(); |
| 108 | c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, |
| 109 | grpc_slice_from_static_string("/foo"), nullptr, |
| 110 | deadline, nullptr); |
| 111 | GPR_ASSERT(c); |
| 112 | |
| 113 | grpc_metadata_array_init(&initial_metadata_recv); |
| 114 | grpc_metadata_array_init(&trailing_metadata_recv); |
| 115 | grpc_metadata_array_init(&request_metadata_recv); |
| 116 | grpc_call_details_init(&call_details); |
| 117 | |
| 118 | memset(ops, 0, sizeof(ops)); |
| 119 | op = ops; |
| 120 | op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| 121 | op->data.send_initial_metadata.count = 0; |
| 122 | op->flags = 0; |
| 123 | op->reserved = nullptr; |
| 124 | op++; |
| 125 | op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| 126 | op->flags = 0; |
| 127 | op->reserved = nullptr; |
| 128 | op++; |
| 129 | op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| 130 | op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
| 131 | op->flags = 0; |
| 132 | op->reserved = nullptr; |
| 133 | op++; |
| 134 | op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
| 135 | op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; |
| 136 | op->data.recv_status_on_client.status = &status; |
| 137 | op->data.recv_status_on_client.status_details = &details; |
| 138 | op->data.recv_status_on_client.error_string = nullptr; |
| 139 | op->flags = 0; |
| 140 | op->reserved = nullptr; |
| 141 | op++; |
| 142 | error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1), |
| 143 | nullptr); |
| 144 | GPR_ASSERT(GRPC_CALL_OK == error); |
| 145 | |
| 146 | error = |
| 147 | grpc_server_request_call(f.server, &s, &call_details, |
| 148 | &request_metadata_recv, f.cq, f.cq, tag(101)); |
| 149 | GPR_ASSERT(GRPC_CALL_OK == error); |
| 150 | CQ_EXPECT_COMPLETION(cqv, tag(101), 1); |
| 151 | cq_verify(cqv); |
| 152 | |
| 153 | memset(ops, 0, sizeof(ops)); |
| 154 | op = ops; |
| 155 | op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| 156 | op->data.send_initial_metadata.count = 0; |
| 157 | op->flags = 0; |
| 158 | op->reserved = nullptr; |
| 159 | op++; |
| 160 | op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; |
| 161 | op->data.send_status_from_server.trailing_metadata_count = 0; |
| 162 | op->data.send_status_from_server.status = |
| 163 | request_is_success ? GRPC_STATUS_OK : GRPC_STATUS_UNIMPLEMENTED; |
| 164 | grpc_slice status_details = grpc_slice_from_static_string("xyz"); |
| 165 | op->data.send_status_from_server.status_details = &status_details; |
| 166 | op->flags = 0; |
| 167 | op->reserved = nullptr; |
| 168 | op++; |
| 169 | op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
| 170 | op->data.recv_close_on_server.cancelled = &was_cancelled; |
| 171 | op->flags = 0; |
| 172 | op->reserved = nullptr; |
| 173 | op++; |
| 174 | error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102), |
| 175 | nullptr); |
| 176 | GPR_ASSERT(GRPC_CALL_OK == error); |
| 177 | |
| 178 | CQ_EXPECT_COMPLETION(cqv, tag(102), 1); |
| 179 | CQ_EXPECT_COMPLETION(cqv, tag(1), 1); |
| 180 | cq_verify(cqv); |
| 181 | |
| 182 | GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz")); |
| 183 | GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo")); |
| 184 | GPR_ASSERT(0 == call_details.flags); |
| 185 | |
| 186 | grpc_slice_unref(details); |
| 187 | grpc_metadata_array_destroy(&initial_metadata_recv); |
| 188 | grpc_metadata_array_destroy(&trailing_metadata_recv); |
| 189 | grpc_metadata_array_destroy(&request_metadata_recv); |
| 190 | grpc_call_details_destroy(&call_details); |
| 191 | |
| 192 | grpc_call_unref(c); |
| 193 | grpc_call_unref(s); |
| 194 | |
| 195 | cq_verifier_destroy(cqv); |
| 196 | } |
| 197 | |
| 198 | static void test_channelz(grpc_end2end_test_config config) { |
| 199 | grpc_end2end_test_fixture f; |
| 200 | |
ncteisen | c7166ae | 2018-06-15 11:04:37 -0400 | [diff] [blame^] | 201 | grpc_arg client_a; |
| 202 | client_a.type = GRPC_ARG_INTEGER; |
| 203 | client_a.key = const_cast<char*>(GRPC_ARG_ENABLE_CHANNELZ); |
| 204 | client_a.value.integer = true; |
| 205 | grpc_channel_args client_args = {1, &client_a}; |
| 206 | |
| 207 | f = begin_test(config, "test_channelz", &client_args, nullptr); |
ncteisen | db6593e | 2018-06-08 09:46:55 -0700 | [diff] [blame] | 208 | grpc_core::channelz::ChannelNode* channelz_channel = |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 209 | grpc_channel_get_channelz_node(f.client); |
| 210 | |
| 211 | char* json = channelz_channel->RenderJSON(); |
ncteisen | c7166ae | 2018-06-15 11:04:37 -0400 | [diff] [blame^] | 212 | GPR_ASSERT(json != nullptr); |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 213 | GPR_ASSERT(nullptr != strstr(json, "\"callsStarted\":\"0\"")); |
| 214 | GPR_ASSERT(nullptr != strstr(json, "\"callsFailed\":\"0\"")); |
| 215 | GPR_ASSERT(nullptr != strstr(json, "\"callsSucceeded\":\"0\"")); |
| 216 | gpr_free(json); |
| 217 | |
| 218 | // one successful request |
| 219 | run_one_request(config, f, true); |
| 220 | |
| 221 | json = channelz_channel->RenderJSON(); |
ncteisen | c7166ae | 2018-06-15 11:04:37 -0400 | [diff] [blame^] | 222 | GPR_ASSERT(json != nullptr); |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 223 | GPR_ASSERT(nullptr != strstr(json, "\"callsStarted\":\"1\"")); |
| 224 | GPR_ASSERT(nullptr != strstr(json, "\"callsFailed\":\"0\"")); |
| 225 | GPR_ASSERT(nullptr != strstr(json, "\"callsSucceeded\":\"1\"")); |
| 226 | gpr_free(json); |
| 227 | |
| 228 | // one failed request |
| 229 | run_one_request(config, f, false); |
| 230 | |
| 231 | json = channelz_channel->RenderJSON(); |
ncteisen | c7166ae | 2018-06-15 11:04:37 -0400 | [diff] [blame^] | 232 | GPR_ASSERT(json != nullptr); |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 233 | gpr_log(GPR_INFO, "%s", json); |
| 234 | GPR_ASSERT(nullptr != strstr(json, "\"callsStarted\":\"2\"")); |
| 235 | GPR_ASSERT(nullptr != strstr(json, "\"callsFailed\":\"1\"")); |
| 236 | GPR_ASSERT(nullptr != strstr(json, "\"callsSucceeded\":\"1\"")); |
ncteisen | c7166ae | 2018-06-15 11:04:37 -0400 | [diff] [blame^] | 237 | // channel tracing is not enables, so these should not be preset. |
| 238 | GPR_ASSERT(nullptr == strstr(json, "\"trace\"")); |
| 239 | GPR_ASSERT(nullptr == strstr(json, "\"description\":\"Channel created\"")); |
| 240 | GPR_ASSERT(nullptr == strstr(json, "\"severity\":\"CT_INFO\"")); |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 241 | gpr_free(json); |
| 242 | |
| 243 | end_test(&f); |
| 244 | config.tear_down_data(&f); |
| 245 | } |
| 246 | |
| 247 | static void test_channelz_with_channel_trace(grpc_end2end_test_config config) { |
| 248 | grpc_end2end_test_fixture f; |
| 249 | |
ncteisen | c7166ae | 2018-06-15 11:04:37 -0400 | [diff] [blame^] | 250 | grpc_arg client_a[2]; |
| 251 | client_a[0].type = GRPC_ARG_INTEGER; |
| 252 | client_a[0].key = |
| 253 | const_cast<char*>(GRPC_ARG_MAX_CHANNEL_TRACE_EVENTS_PER_NODE); |
| 254 | client_a[0].value.integer = 5; |
| 255 | client_a[1].type = GRPC_ARG_INTEGER; |
| 256 | client_a[1].key = const_cast<char*>(GRPC_ARG_ENABLE_CHANNELZ); |
| 257 | client_a[1].value.integer = true; |
| 258 | grpc_channel_args client_args = {GPR_ARRAY_SIZE(client_a), client_a}; |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 259 | |
| 260 | f = begin_test(config, "test_channelz_with_channel_trace", &client_args, |
| 261 | nullptr); |
ncteisen | db6593e | 2018-06-08 09:46:55 -0700 | [diff] [blame] | 262 | grpc_core::channelz::ChannelNode* channelz_channel = |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 263 | grpc_channel_get_channelz_node(f.client); |
| 264 | |
| 265 | char* json = channelz_channel->RenderJSON(); |
ncteisen | c7166ae | 2018-06-15 11:04:37 -0400 | [diff] [blame^] | 266 | GPR_ASSERT(json != nullptr); |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 267 | gpr_log(GPR_INFO, "%s", json); |
| 268 | GPR_ASSERT(nullptr != strstr(json, "\"trace\"")); |
| 269 | GPR_ASSERT(nullptr != strstr(json, "\"description\":\"Channel created\"")); |
| 270 | GPR_ASSERT(nullptr != strstr(json, "\"severity\":\"CT_INFO\"")); |
| 271 | gpr_free(json); |
| 272 | |
| 273 | end_test(&f); |
| 274 | config.tear_down_data(&f); |
| 275 | } |
ncteisen | c7166ae | 2018-06-15 11:04:37 -0400 | [diff] [blame^] | 276 | |
| 277 | static void test_channelz_disabled(grpc_end2end_test_config config) { |
| 278 | grpc_end2end_test_fixture f; |
| 279 | |
| 280 | f = begin_test(config, "test_channelz_disabled", nullptr, nullptr); |
| 281 | grpc_core::channelz::ChannelNode* channelz_channel = |
| 282 | grpc_channel_get_channelz_node(f.client); |
| 283 | char* json_str = channelz_channel->RenderJSON(); |
| 284 | GPR_ASSERT(json_str == nullptr); |
| 285 | grpc_json* json = channelz_channel->trace()->RenderJSON(); |
| 286 | GPR_ASSERT(json == nullptr); |
| 287 | // one successful request |
| 288 | run_one_request(config, f, true); |
| 289 | json_str = channelz_channel->RenderJSON(); |
| 290 | GPR_ASSERT(json_str == nullptr); |
| 291 | GPR_ASSERT(json == nullptr); |
| 292 | end_test(&f); |
| 293 | config.tear_down_data(&f); |
| 294 | } |
| 295 | |
| 296 | static void test_channelz_disabled_with_channel_trace( |
| 297 | grpc_end2end_test_config config) { |
| 298 | grpc_end2end_test_fixture f; |
| 299 | |
| 300 | grpc_arg client_a; |
| 301 | client_a.type = GRPC_ARG_INTEGER; |
| 302 | client_a.key = const_cast<char*>(GRPC_ARG_MAX_CHANNEL_TRACE_EVENTS_PER_NODE); |
| 303 | client_a.value.integer = 5; |
| 304 | grpc_channel_args client_args = {1, &client_a}; |
| 305 | |
| 306 | f = begin_test(config, "test_channelz_disabled_with_channel_trace", |
| 307 | &client_args, nullptr); |
| 308 | grpc_core::channelz::ChannelNode* channelz_channel = |
| 309 | grpc_channel_get_channelz_node(f.client); |
| 310 | // channelz is disabled so rendering return null. |
| 311 | char* json_str = channelz_channel->RenderJSON(); |
| 312 | GPR_ASSERT(json_str == nullptr); |
| 313 | // channel trace is explicitly requested, so this works as it should |
| 314 | grpc_json* json = channelz_channel->trace()->RenderJSON(); |
| 315 | GPR_ASSERT(json != nullptr); |
| 316 | json_str = grpc_json_dump_to_string(json, 0); |
| 317 | GPR_ASSERT(json_str != nullptr); |
| 318 | gpr_log(GPR_INFO, "%s", json_str); |
| 319 | GPR_ASSERT(nullptr != |
| 320 | strstr(json_str, "\"description\":\"Channel created\"")); |
| 321 | GPR_ASSERT(nullptr != strstr(json_str, "\"severity\":\"CT_INFO\"")); |
| 322 | GPR_ASSERT(nullptr != strstr(json_str, "\"numEventsLogged\":")); |
| 323 | grpc_json_destroy(json); |
| 324 | gpr_free(json_str); |
| 325 | |
| 326 | end_test(&f); |
| 327 | config.tear_down_data(&f); |
| 328 | } |
| 329 | |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 330 | void channelz(grpc_end2end_test_config config) { |
| 331 | test_channelz(config); |
| 332 | test_channelz_with_channel_trace(config); |
ncteisen | c7166ae | 2018-06-15 11:04:37 -0400 | [diff] [blame^] | 333 | test_channelz_disabled(config); |
| 334 | test_channelz_disabled_with_channel_trace(config); |
ncteisen | b8a52e0 | 2018-06-07 18:58:03 -0700 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | void channelz_pre_init(void) {} |