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 <grpc/byte_buffer.h> 25 #include <grpc/support/alloc.h> 26 #include <grpc/support/log.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 #include "test/core/end2end/tests/cancel_test_helpers.h" 32 33 static void* tag(intptr_t t) { return (void*)t; } 34 35 static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, 36 const char* test_name, 37 cancellation_mode mode, 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/%s", test_name, config.name, 42 mode.name); 43 f = config.create_fixture(client_args, server_args); 44 config.init_server(&f, server_args); 45 config.init_client(&f, client_args); 46 return f; 47 } 48 49 static gpr_timespec n_seconds_from_now(int n) { 50 return grpc_timeout_seconds_to_deadline(n); 51 } 52 53 static gpr_timespec five_seconds_from_now(void) { 54 return n_seconds_from_now(5); 55 } 56 57 static void drain_cq(grpc_completion_queue* cq) { 58 grpc_event ev; 59 do { 60 ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr); 61 } while (ev.type != GRPC_QUEUE_SHUTDOWN); 62 } 63 64 static void shutdown_server(grpc_end2end_test_fixture* f) { 65 if (!f->server) return; 66 grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000)); 67 GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000), 68 grpc_timeout_seconds_to_deadline(5), 69 nullptr) 70 .type == GRPC_OP_COMPLETE); 71 grpc_server_destroy(f->server); 72 f->server = nullptr; 73 } 74 75 static void shutdown_client(grpc_end2end_test_fixture* f) { 76 if (!f->client) return; 77 grpc_channel_destroy(f->client); 78 f->client = nullptr; 79 } 80 81 static void end_test(grpc_end2end_test_fixture* f) { 82 shutdown_server(f); 83 shutdown_client(f); 84 85 grpc_completion_queue_shutdown(f->cq); 86 drain_cq(f->cq); 87 grpc_completion_queue_destroy(f->cq); 88 grpc_completion_queue_destroy(f->shutdown_cq); 89 } 90 91 /* Cancel after accept with a writes closed, no payload */ 92 static void test_cancel_after_accept_and_writes_closed( 93 grpc_end2end_test_config config, cancellation_mode mode) { 94 grpc_op ops[6]; 95 grpc_op* op; 96 grpc_call* c; 97 grpc_call* s; 98 grpc_end2end_test_fixture f = 99 begin_test(config, "test_cancel_after_accept_and_writes_closed", mode, 100 nullptr, nullptr); 101 cq_verifier* cqv = cq_verifier_create(f.cq); 102 grpc_metadata_array initial_metadata_recv; 103 grpc_metadata_array trailing_metadata_recv; 104 grpc_metadata_array request_metadata_recv; 105 grpc_call_details call_details; 106 grpc_status_code status; 107 grpc_call_error error; 108 grpc_slice details; 109 grpc_byte_buffer* request_payload_recv = nullptr; 110 grpc_byte_buffer* response_payload_recv = nullptr; 111 grpc_slice request_payload_slice = 112 grpc_slice_from_copied_string("hello world"); 113 grpc_slice response_payload_slice = 114 grpc_slice_from_copied_string("hello you"); 115 grpc_byte_buffer* request_payload = 116 grpc_raw_byte_buffer_create(&request_payload_slice, 1); 117 grpc_byte_buffer* response_payload = 118 grpc_raw_byte_buffer_create(&response_payload_slice, 1); 119 int was_cancelled = 2; 120 121 gpr_timespec deadline = five_seconds_from_now(); 122 c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, 123 grpc_slice_from_static_string("/foo"), nullptr, 124 deadline, nullptr); 125 GPR_ASSERT(c); 126 127 grpc_metadata_array_init(&initial_metadata_recv); 128 grpc_metadata_array_init(&trailing_metadata_recv); 129 grpc_metadata_array_init(&request_metadata_recv); 130 grpc_call_details_init(&call_details); 131 132 memset(ops, 0, sizeof(ops)); 133 op = ops; 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->flags = 0; 139 op->reserved = nullptr; 140 op++; 141 op->op = GRPC_OP_SEND_INITIAL_METADATA; 142 op->data.send_initial_metadata.count = 0; 143 op->flags = 0; 144 op->reserved = nullptr; 145 op++; 146 op->op = GRPC_OP_SEND_MESSAGE; 147 op->data.send_message.send_message = request_payload; 148 op->flags = 0; 149 op->reserved = nullptr; 150 op++; 151 op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; 152 op->flags = 0; 153 op->reserved = nullptr; 154 op++; 155 op->op = GRPC_OP_RECV_INITIAL_METADATA; 156 op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; 157 op->flags = 0; 158 op->reserved = nullptr; 159 op++; 160 op->op = GRPC_OP_RECV_MESSAGE; 161 op->data.recv_message.recv_message = &response_payload_recv; 162 op->flags = 0; 163 op->reserved = nullptr; 164 op++; 165 error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1), 166 nullptr); 167 GPR_ASSERT(GRPC_CALL_OK == error); 168 169 error = grpc_server_request_call(f.server, &s, &call_details, 170 &request_metadata_recv, f.cq, f.cq, tag(2)); 171 GPR_ASSERT(GRPC_CALL_OK == error); 172 CQ_EXPECT_COMPLETION(cqv, tag(2), 1); 173 cq_verify(cqv); 174 175 memset(ops, 0, sizeof(ops)); 176 op = ops; 177 op->op = GRPC_OP_RECV_MESSAGE; 178 op->data.recv_message.recv_message = &request_payload_recv; 179 op->flags = 0; 180 op->reserved = nullptr; 181 op++; 182 op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; 183 op->data.recv_close_on_server.cancelled = &was_cancelled; 184 op->flags = 0; 185 op->reserved = nullptr; 186 op++; 187 op->op = GRPC_OP_SEND_INITIAL_METADATA; 188 op->data.send_initial_metadata.count = 0; 189 op->flags = 0; 190 op->reserved = nullptr; 191 op++; 192 op->op = GRPC_OP_SEND_MESSAGE; 193 op->data.send_message.send_message = response_payload; 194 op->flags = 0; 195 op->reserved = nullptr; 196 op++; 197 error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(3), 198 nullptr); 199 GPR_ASSERT(GRPC_CALL_OK == error); 200 201 GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c, nullptr)); 202 203 CQ_EXPECT_COMPLETION(cqv, tag(3), 1); 204 CQ_EXPECT_COMPLETION(cqv, tag(1), 1); 205 cq_verify(cqv); 206 207 GPR_ASSERT(status == mode.expect_status || status == GRPC_STATUS_INTERNAL); 208 GPR_ASSERT(was_cancelled == 1); 209 210 grpc_metadata_array_destroy(&initial_metadata_recv); 211 grpc_metadata_array_destroy(&trailing_metadata_recv); 212 grpc_metadata_array_destroy(&request_metadata_recv); 213 grpc_call_details_destroy(&call_details); 214 215 grpc_byte_buffer_destroy(request_payload); 216 grpc_byte_buffer_destroy(response_payload); 217 grpc_byte_buffer_destroy(request_payload_recv); 218 grpc_byte_buffer_destroy(response_payload_recv); 219 grpc_slice_unref(details); 220 221 grpc_call_unref(c); 222 grpc_call_unref(s); 223 224 cq_verifier_destroy(cqv); 225 end_test(&f); 226 config.tear_down_data(&f); 227 } 228 229 void cancel_after_client_done(grpc_end2end_test_config config) { 230 unsigned i; 231 232 for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) { 233 test_cancel_after_accept_and_writes_closed(config, cancellation_modes[i]); 234 } 235 } 236 237 void cancel_after_client_done_pre_init(void) {} 238
