1 /* 2 * 3 * Copyright 2016 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/grpc.h> 26 #include <grpc/support/alloc.h> 27 #include <grpc/support/log.h> 28 #include <grpc/support/string_util.h> 29 #include <grpc/support/time.h> 30 #include "src/core/lib/gpr/string.h" 31 #include "src/core/lib/iomgr/error.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 simple_request_body(grpc_end2end_test_config config, 91 grpc_end2end_test_fixture f) { 92 grpc_call* c; 93 grpc_call* s; 94 cq_verifier* cqv = cq_verifier_create(f.cq); 95 grpc_op ops[6]; 96 grpc_op* op; 97 grpc_metadata_array initial_metadata_recv; 98 grpc_metadata_array trailing_metadata_recv; 99 grpc_metadata_array request_metadata_recv; 100 grpc_call_details call_details; 101 grpc_status_code status; 102 grpc_call_error error; 103 grpc_slice details; 104 int was_cancelled = 2; 105 char* peer; 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 peer = grpc_call_get_peer(c); 114 GPR_ASSERT(peer != nullptr); 115 gpr_free(peer); 116 117 grpc_metadata_array_init(&initial_metadata_recv); 118 grpc_metadata_array_init(&trailing_metadata_recv); 119 grpc_metadata_array_init(&request_metadata_recv); 120 grpc_call_details_init(&call_details); 121 122 memset(ops, 0, sizeof(ops)); 123 op = ops; 124 op->op = GRPC_OP_SEND_INITIAL_METADATA; 125 op->data.send_initial_metadata.count = 0; 126 op->flags = 0; 127 op->reserved = nullptr; 128 op++; 129 op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; 130 op->flags = 0; 131 op->reserved = nullptr; 132 op++; 133 op->op = GRPC_OP_RECV_INITIAL_METADATA; 134 op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; 135 op->flags = 0; 136 op->reserved = nullptr; 137 op++; 138 op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; 139 op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; 140 op->data.recv_status_on_client.status = &status; 141 op->data.recv_status_on_client.status_details = &details; 142 op->flags = 0; 143 op->reserved = nullptr; 144 op++; 145 error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1), 146 nullptr); 147 GPR_ASSERT(GRPC_CALL_OK == error); 148 149 error = 150 grpc_server_request_call(f.server, &s, &call_details, 151 &request_metadata_recv, f.cq, f.cq, tag(101)); 152 GPR_ASSERT(GRPC_CALL_OK == error); 153 CQ_EXPECT_COMPLETION(cqv, tag(101), 1); 154 cq_verify(cqv); 155 156 peer = grpc_call_get_peer(s); 157 GPR_ASSERT(peer != nullptr); 158 gpr_free(peer); 159 peer = grpc_call_get_peer(c); 160 GPR_ASSERT(peer != nullptr); 161 gpr_free(peer); 162 163 memset(ops, 0, sizeof(ops)); 164 op = ops; 165 op->op = GRPC_OP_SEND_INITIAL_METADATA; 166 op->data.send_initial_metadata.count = 0; 167 op->flags = 0; 168 op->reserved = nullptr; 169 op++; 170 op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; 171 op->data.send_status_from_server.trailing_metadata_count = 0; 172 op->data.send_status_from_server.status = GRPC_STATUS_OK; 173 op->data.send_status_from_server.status_details = nullptr; 174 op->flags = 0; 175 op->reserved = nullptr; 176 op++; 177 op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; 178 op->data.recv_close_on_server.cancelled = &was_cancelled; 179 op->flags = 0; 180 op->reserved = nullptr; 181 op++; 182 error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102), 183 nullptr); 184 GPR_ASSERT(GRPC_CALL_OK == error); 185 186 CQ_EXPECT_COMPLETION(cqv, tag(102), 1); 187 CQ_EXPECT_COMPLETION(cqv, tag(1), 1); 188 cq_verify(cqv); 189 190 GPR_ASSERT(status == GRPC_STATUS_OK); 191 GPR_ASSERT(GRPC_SLICE_LENGTH(details) == 0); 192 GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo")); 193 GPR_ASSERT(0 == call_details.flags); 194 GPR_ASSERT(was_cancelled == 0); 195 196 grpc_slice_unref(details); 197 grpc_metadata_array_destroy(&initial_metadata_recv); 198 grpc_metadata_array_destroy(&trailing_metadata_recv); 199 grpc_metadata_array_destroy(&request_metadata_recv); 200 grpc_call_details_destroy(&call_details); 201 202 grpc_call_unref(c); 203 grpc_call_unref(s); 204 205 cq_verifier_destroy(cqv); 206 } 207 208 static void test_no_error_on_hotpath_one_request( 209 grpc_end2end_test_config config) { 210 grpc_end2end_test_fixture f; 211 212 f = begin_test(config, "test_invoke_simple_request_with_no_error_logging", 213 nullptr, nullptr); 214 // First RPC is not considered the hotpath, since there are lots of things to 215 // set up. 216 simple_request_body(config, f); 217 grpc_disable_error_creation(); 218 simple_request_body(config, f); 219 grpc_enable_error_creation(); 220 end_test(&f); 221 config.tear_down_data(&f); 222 } 223 224 static void test_no_error_on_hotpath_10_requests( 225 grpc_end2end_test_config config) { 226 int i; 227 grpc_end2end_test_fixture f = begin_test( 228 config, "test_no_error_on_hotpath_in_one_request", nullptr, nullptr); 229 // First RPC is not considered the hotpath, since there are lots of things to 230 // set up. 231 simple_request_body(config, f); 232 grpc_disable_error_creation(); 233 for (i = 0; i < 10; i++) { 234 simple_request_body(config, f); 235 } 236 grpc_enable_error_creation(); 237 end_test(&f); 238 config.tear_down_data(&f); 239 } 240 241 void no_error_on_hotpath(grpc_end2end_test_config config) { 242 test_no_error_on_hotpath_one_request(config); 243 test_no_error_on_hotpath_10_requests(config); 244 } 245 246 void no_error_on_hotpath_pre_init(void) {} 247
