mirror of https://github.com/grpc/grpc.git
Yash Tibrewal
4 years ago
parent
6b61cb57fe
commit
4331328fc2
14 changed files with 405 additions and 109 deletions
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/*
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* |
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* Copyright 2020 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#include "test/core/end2end/end2end_tests.h" |
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#include <stdio.h> |
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#include <string.h> |
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#include <grpc/byte_buffer.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/time.h> |
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#include "test/core/end2end/cq_verifier.h" |
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static void* tag(intptr_t t) { return (void*)t; } |
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static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, |
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const char* test_name, |
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grpc_channel_args* client_args, |
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grpc_channel_args* server_args) { |
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grpc_end2end_test_fixture f; |
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gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name); |
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f = config.create_fixture(client_args, server_args); |
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config.init_server(&f, server_args); |
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config.init_client(&f, client_args); |
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return f; |
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} |
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static gpr_timespec n_seconds_from_now(int n) { |
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return grpc_timeout_seconds_to_deadline(n); |
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} |
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static gpr_timespec five_seconds_from_now(void) { |
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return n_seconds_from_now(5); |
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} |
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static void drain_cq(grpc_completion_queue* cq) { |
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grpc_event ev; |
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do { |
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ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr); |
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} while (ev.type != GRPC_QUEUE_SHUTDOWN); |
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} |
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static void shutdown_server(grpc_end2end_test_fixture* f) { |
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if (!f->server) return; |
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grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000)); |
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GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000), |
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grpc_timeout_seconds_to_deadline(5), |
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nullptr) |
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.type == GRPC_OP_COMPLETE); |
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grpc_server_destroy(f->server); |
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f->server = nullptr; |
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} |
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static void shutdown_client(grpc_end2end_test_fixture* f) { |
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if (!f->client) return; |
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grpc_channel_destroy(f->client); |
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f->client = nullptr; |
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} |
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static void end_test(grpc_end2end_test_fixture* f) { |
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shutdown_server(f); |
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shutdown_client(f); |
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grpc_completion_queue_shutdown(f->cq); |
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drain_cq(f->cq); |
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grpc_completion_queue_destroy(f->cq); |
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grpc_completion_queue_destroy(f->shutdown_cq); |
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} |
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/* Client requests status along with the initial metadata. Server streams
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* messages and ends with a non-OK status. Client reads after server is done |
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* writing, and expects to get the status after the messages. */ |
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static void test_server_streaming(grpc_end2end_test_config config, |
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int num_messages) { |
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grpc_end2end_test_fixture f = |
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begin_test(config, "test_server_streaming", nullptr, nullptr); |
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grpc_call* c; |
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grpc_call* s; |
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cq_verifier* cqv = cq_verifier_create(f.cq); |
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grpc_op ops[6]; |
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grpc_op* op; |
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grpc_metadata_array initial_metadata_recv; |
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grpc_metadata_array trailing_metadata_recv; |
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grpc_metadata_array request_metadata_recv; |
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grpc_call_details call_details; |
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grpc_status_code status; |
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grpc_call_error error; |
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grpc_slice details; |
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int was_cancelled = 2; |
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grpc_byte_buffer* request_payload_recv; |
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grpc_byte_buffer* response_payload; |
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grpc_slice response_payload_slice = |
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grpc_slice_from_copied_string("hello world"); |
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gpr_timespec deadline = five_seconds_from_now(); |
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c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, |
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grpc_slice_from_static_string("/foo"), nullptr, |
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deadline, nullptr); |
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GPR_ASSERT(c); |
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grpc_metadata_array_init(&initial_metadata_recv); |
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grpc_metadata_array_init(&trailing_metadata_recv); |
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grpc_metadata_array_init(&request_metadata_recv); |
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grpc_call_details_init(&call_details); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_INITIAL_METADATA; |
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op->data.send_initial_metadata.count = 0; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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op->op = GRPC_OP_RECV_INITIAL_METADATA; |
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op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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// Client requests status early but should not receive status till all the
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// messages are received.
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op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
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op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; |
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op->data.recv_status_on_client.status = &status; |
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op->data.recv_status_on_client.status_details = &details; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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// Client sends close early
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(3), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(3), 1); |
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cq_verify(cqv); |
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error = |
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grpc_server_request_call(f.server, &s, &call_details, |
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&request_metadata_recv, f.cq, f.cq, tag(100)); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(100), 1); |
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cq_verify(cqv); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_INITIAL_METADATA; |
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op->data.send_initial_metadata.count = 0; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(101), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(101), 1); |
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cq_verify(cqv); |
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// Server writes bunch of messages
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for (int i = 0; i < num_messages; i++) { |
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response_payload = grpc_raw_byte_buffer_create(&response_payload_slice, 1); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_MESSAGE; |
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op->data.send_message.send_message = response_payload; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), |
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tag(103), nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(103), 1); |
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cq_verify(cqv); |
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grpc_byte_buffer_destroy(response_payload); |
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} |
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// Server sends status
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; |
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op->data.send_status_from_server.trailing_metadata_count = 0; |
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op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED; |
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grpc_slice status_details = grpc_slice_from_static_string("xyz"); |
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op->data.send_status_from_server.status_details = &status_details; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
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op->data.recv_close_on_server.cancelled = &was_cancelled; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(104), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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bool seen_status = false; |
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CQ_MAYBE_EXPECT_COMPLETION(cqv, tag(1), true, &seen_status); |
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CQ_EXPECT_COMPLETION(cqv, tag(104), 1); |
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cq_verify(cqv); |
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// Client keeps reading messages till it gets the status
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int num_messages_received = 0; |
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while (true) { |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_RECV_MESSAGE; |
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op->data.recv_message.recv_message = &request_payload_recv; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), |
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tag(102), nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_MAYBE_EXPECT_COMPLETION(cqv, tag(1), true, &seen_status); |
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CQ_EXPECT_COMPLETION(cqv, tag(102), true); |
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cq_verify(cqv); |
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if (request_payload_recv == nullptr) { |
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// The transport has received the trailing metadata.
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break; |
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} |
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GPR_ASSERT(byte_buffer_eq_string(request_payload_recv, "hello world")); |
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grpc_byte_buffer_destroy(request_payload_recv); |
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num_messages_received++; |
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} |
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GPR_ASSERT(num_messages_received == num_messages); |
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if (!seen_status) { |
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CQ_EXPECT_COMPLETION(cqv, tag(1), true); |
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cq_verify(cqv); |
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} |
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GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED); |
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GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz")); |
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grpc_slice_unref(response_payload_slice); |
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grpc_call_unref(c); |
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grpc_call_unref(s); |
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cq_verifier_destroy(cqv); |
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grpc_metadata_array_destroy(&initial_metadata_recv); |
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grpc_metadata_array_destroy(&trailing_metadata_recv); |
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grpc_metadata_array_destroy(&request_metadata_recv); |
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grpc_call_details_destroy(&call_details); |
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grpc_slice_unref(details); |
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end_test(&f); |
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config.tear_down_data(&f); |
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} |
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void server_streaming(grpc_end2end_test_config config) { |
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test_server_streaming(config, 0); |
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test_server_streaming(config, 1); |
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test_server_streaming(config, 10); |
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} |
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void server_streaming_pre_init(void) {} |
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