test/core/end2end/tests/registered_call.cc

   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 <stdio.h>
  20 #include <string.h>
  21
  22 #include <grpc/byte_buffer.h>
  23 #include <grpc/grpc.h>
  24 #include <grpc/support/alloc.h>
  25 #include <grpc/support/log.h>
  26 #include <grpc/support/time.h>
  27
  28 #include "src/core/lib/gpr/string.h"
  29 #include "test/core/end2end/cq_verifier.h"
  30 #include "test/core/end2end/end2end_tests.h"
  31
  32 static void* tag(intptr_t t) { return reinterpret_cast<void*>(t); }
  33
  34 static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
  35                                             const char* test_name,
  36                                             grpc_channel_args* client_args,
  37                                             grpc_channel_args* server_args) {
  38   grpc_end2end_test_fixture f;
  39   gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
  40   f = config.create_fixture(client_args, server_args);
  41   config.init_server(&f, server_args);
  42   config.init_client(&f, client_args);
  43   return f;
  44 }
  45
  46 static gpr_timespec n_seconds_from_now(int n) {
  47   return grpc_timeout_seconds_to_deadline(n);
  48 }
  49
  50 static gpr_timespec five_seconds_from_now(void) {
  51   return n_seconds_from_now(5);
  52 }
  53
  54 static void drain_cq(grpc_completion_queue* cq) {
  55   grpc_event ev;
  56   do {
  57     ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr);
  58   } while (ev.type != GRPC_QUEUE_SHUTDOWN);
  59 }
  60
  61 static void shutdown_server(grpc_end2end_test_fixture* f) {
  62   if (!f->server) return;
  63   grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
  64   GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
  65                                          grpc_timeout_seconds_to_deadline(5),
  66                                          nullptr)
  67                  .type == GRPC_OP_COMPLETE);
  68   grpc_server_destroy(f->server);
  69   f->server = nullptr;
  70 }
  71
  72 static void shutdown_client(grpc_end2end_test_fixture* f) {
  73   if (!f->client) return;
  74   grpc_channel_destroy(f->client);
  75   f->client = nullptr;
  76 }
  77
  78 static void end_test(grpc_end2end_test_fixture* f) {
  79   shutdown_server(f);
  80   shutdown_client(f);
  81
  82   grpc_completion_queue_shutdown(f->cq);
  83   drain_cq(f->cq);
  84   grpc_completion_queue_destroy(f->cq);
  85   grpc_completion_queue_destroy(f->shutdown_cq);
  86 }
  87
  88 static void simple_request_body(grpc_end2end_test_config /*config*/,
  89                                 grpc_end2end_test_fixture f, void* rc) {
  90   grpc_call* c;
  91   grpc_call* s;
  92   cq_verifier* cqv = cq_verifier_create(f.cq);
  93   grpc_op ops[6];
  94   grpc_op* op;
  95   grpc_metadata_array initial_metadata_recv;
  96   grpc_metadata_array trailing_metadata_recv;
  97   grpc_metadata_array request_metadata_recv;
  98   grpc_call_details call_details;
  99   grpc_status_code status;
 100   grpc_call_error error;
 101   grpc_slice details;
 102   int was_cancelled = 2;
 103
 104   gpr_timespec deadline = five_seconds_from_now();
 105   c = grpc_channel_create_registered_call(
 106       f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, rc, deadline, nullptr);
 107   GPR_ASSERT(c);
 108
 109   grpc_metadata_array_init(&initial_metadata_recv);
 110   grpc_metadata_array_init(&trailing_metadata_recv);
 111   grpc_metadata_array_init(&request_metadata_recv);
 112   grpc_call_details_init(&call_details);
 113
 114   memset(ops, 0, sizeof(ops));
 115   op = ops;
 116   op->op = GRPC_OP_SEND_INITIAL_METADATA;
 117   op->data.send_initial_metadata.count = 0;
 118   op->flags = 0;
 119   op->reserved = nullptr;
 120   op++;
 121   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
 122   op->flags = 0;
 123   op->reserved = nullptr;
 124   op++;
 125   op->op = GRPC_OP_RECV_INITIAL_METADATA;
 126   op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
 127   op->flags = 0;
 128   op->reserved = nullptr;
 129   op++;
 130   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
 131   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
 132   op->data.recv_status_on_client.status = &status;
 133   op->data.recv_status_on_client.status_details = &details;
 134   op->flags = 0;
 135   op->reserved = nullptr;
 136   op++;
 137   error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1),
 138                                 nullptr);
 139   GPR_ASSERT(GRPC_CALL_OK == error);
 140
 141   error =
 142       grpc_server_request_call(f.server, &s, &call_details,
 143                                &request_metadata_recv, f.cq, f.cq, tag(101));
 144   GPR_ASSERT(GRPC_CALL_OK == error);
 145   CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
 146   cq_verify(cqv);
 147
 148   memset(ops, 0, sizeof(ops));
 149   op = ops;
 150   op->op = GRPC_OP_SEND_INITIAL_METADATA;
 151   op->data.send_initial_metadata.count = 0;
 152   op->flags = 0;
 153   op->reserved = nullptr;
 154   op++;
 155   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
 156   op->data.send_status_from_server.trailing_metadata_count = 0;
 157   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
 158   grpc_slice status_details = grpc_slice_from_static_string("xyz");
 159   op->data.send_status_from_server.status_details = &status_details;
 160   op->flags = 0;
 161   op->reserved = nullptr;
 162   op++;
 163   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
 164   op->data.recv_close_on_server.cancelled = &was_cancelled;
 165   op->flags = 0;
 166   op->reserved = nullptr;
 167   op++;
 168   error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(102),
 169                                 nullptr);
 170   GPR_ASSERT(GRPC_CALL_OK == error);
 171
 172   CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
 173   CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
 174   cq_verify(cqv);
 175
 176   GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
 177   GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
 178   GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
 179   GPR_ASSERT(was_cancelled == 0);
 180
 181   grpc_slice_unref(details);
 182   grpc_metadata_array_destroy(&initial_metadata_recv);
 183   grpc_metadata_array_destroy(&trailing_metadata_recv);
 184   grpc_metadata_array_destroy(&request_metadata_recv);
 185   grpc_call_details_destroy(&call_details);
 186
 187   grpc_call_unref(c);
 188   grpc_call_unref(s);
 189
 190   cq_verifier_destroy(cqv);
 191 }
 192
 193 static void test_invoke_simple_request(grpc_end2end_test_config config) {
 194   grpc_end2end_test_fixture f =
 195       begin_test(config, "test_invoke_simple_request", nullptr, nullptr);
 196   void* rc = grpc_channel_register_call(f.client, "/foo", nullptr, nullptr);
 197
 198   simple_request_body(config, f, rc);
 199   end_test(&f);
 200   config.tear_down_data(&f);
 201 }
 202
 203 static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
 204   int i;
 205   grpc_end2end_test_fixture f =
 206       begin_test(config, "test_invoke_10_simple_requests", nullptr, nullptr);
 207   void* rc = grpc_channel_register_call(f.client, "/foo", nullptr, nullptr);
 208
 209   for (i = 0; i < 10; i++) {
 210     simple_request_body(config, f, rc);
 211     gpr_log(GPR_INFO, "Passed simple request %d", i);
 212   }
 213   end_test(&f);
 214   config.tear_down_data(&f);
 215 }
 216
 217 void registered_call(grpc_end2end_test_config config) {
 218   test_invoke_simple_request(config);
 219   test_invoke_10_simple_requests(config);
 220 }
 221
 222 void registered_call_pre_init(void) {}