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/*
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*
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* Copyright 2015 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 "src/core/lib/surface/channel.h"
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#include "src/core/lib/surface/server.h"
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#include <grpc/byte_buffer.h>
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#include <grpc/grpc.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 "src/core/lib/gpr/string.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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static void run_one_request(grpc_end2end_test_config config,
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grpc_end2end_test_fixture f,
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bool request_is_success) {
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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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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_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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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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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->data.recv_status_on_client.error_string = nullptr;
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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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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(101));
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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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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_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 =
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request_is_success ? GRPC_STATUS_OK : 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(102),
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nullptr);
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GPR_ASSERT(GRPC_CALL_OK == error);
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CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
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CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
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cq_verify(cqv);
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GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
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GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
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GPR_ASSERT(0 == call_details.flags);
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grpc_slice_unref(details);
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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_call_unref(c);
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grpc_call_unref(s);
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cq_verifier_destroy(cqv);
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}
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static void test_channelz(grpc_end2end_test_config config) {
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grpc_end2end_test_fixture f;
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grpc_arg arg[] = {
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grpc_channel_arg_integer_create(
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const_cast<char*>(GRPC_ARG_MAX_CHANNEL_TRACE_EVENT_MEMORY_PER_NODE),
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0),
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grpc_channel_arg_integer_create(
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const_cast<char*>(GRPC_ARG_ENABLE_CHANNELZ), true)};
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grpc_channel_args args = {GPR_ARRAY_SIZE(arg), arg};
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f = begin_test(config, "test_channelz", &args, &args);
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grpc_core::channelz::ChannelNode* channelz_channel =
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grpc_channel_get_channelz_node(f.client);
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GPR_ASSERT(channelz_channel != nullptr);
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grpc_core::channelz::ServerNode* channelz_server =
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grpc_server_get_channelz_node(f.server);
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GPR_ASSERT(channelz_server != nullptr);
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char* json = channelz_channel->RenderJsonString();
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GPR_ASSERT(json != nullptr);
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// nothing is present yet
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GPR_ASSERT(nullptr == strstr(json, "\"callsStarted\""));
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GPR_ASSERT(nullptr == strstr(json, "\"callsFailed\""));
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GPR_ASSERT(nullptr == strstr(json, "\"callsSucceeded\""));
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gpr_free(json);
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// one successful request
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run_one_request(config, f, true);
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json = channelz_channel->RenderJsonString();
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GPR_ASSERT(json != nullptr);
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GPR_ASSERT(nullptr != strstr(json, "\"callsStarted\":\"1\""));
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GPR_ASSERT(nullptr != strstr(json, "\"callsSucceeded\":\"1\""));
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gpr_free(json);
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// one failed request
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run_one_request(config, f, false);
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json = channelz_channel->RenderJsonString();
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GPR_ASSERT(json != nullptr);
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gpr_log(GPR_INFO, "%s", json);
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GPR_ASSERT(nullptr != strstr(json, "\"callsStarted\":\"2\""));
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GPR_ASSERT(nullptr != strstr(json, "\"callsFailed\":\"1\""));
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GPR_ASSERT(nullptr != strstr(json, "\"callsSucceeded\":\"1\""));
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// channel tracing is not enabled, so these should not be preset.
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GPR_ASSERT(nullptr == strstr(json, "\"trace\""));
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GPR_ASSERT(nullptr == strstr(json, "\"description\":\"Channel created\""));
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GPR_ASSERT(nullptr == strstr(json, "\"severity\":\"CT_INFO\""));
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gpr_free(json);
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json = channelz_server->RenderJsonString();
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GPR_ASSERT(json != nullptr);
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gpr_log(GPR_INFO, "%s", json);
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GPR_ASSERT(nullptr != strstr(json, "\"callsStarted\":\"2\""));
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GPR_ASSERT(nullptr != strstr(json, "\"callsFailed\":\"1\""));
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GPR_ASSERT(nullptr != strstr(json, "\"callsSucceeded\":\"1\""));
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// channel tracing is not enabled, so these should not be preset.
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GPR_ASSERT(nullptr == strstr(json, "\"trace\""));
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GPR_ASSERT(nullptr == strstr(json, "\"description\":\"Channel created\""));
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GPR_ASSERT(nullptr == strstr(json, "\"severity\":\"CT_INFO\""));
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gpr_free(json);
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json = channelz_server->RenderServerSockets(0);
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GPR_ASSERT(nullptr != strstr(json, "\"socketRef\":"));
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gpr_free(json);
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end_test(&f);
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config.tear_down_data(&f);
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}
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static void test_channelz_with_channel_trace(grpc_end2end_test_config config) {
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grpc_end2end_test_fixture f;
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grpc_arg arg[] = {
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grpc_channel_arg_integer_create(
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const_cast<char*>(GRPC_ARG_MAX_CHANNEL_TRACE_EVENT_MEMORY_PER_NODE),
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1024 * 1024),
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grpc_channel_arg_integer_create(
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const_cast<char*>(GRPC_ARG_ENABLE_CHANNELZ), true)};
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grpc_channel_args args = {GPR_ARRAY_SIZE(arg), arg};
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f = begin_test(config, "test_channelz_with_channel_trace", &args, &args);
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grpc_core::channelz::ChannelNode* channelz_channel =
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grpc_channel_get_channelz_node(f.client);
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GPR_ASSERT(channelz_channel != nullptr);
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grpc_core::channelz::ServerNode* channelz_server =
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grpc_server_get_channelz_node(f.server);
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GPR_ASSERT(channelz_server != nullptr);
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run_one_request(config, f, true);
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char* json = channelz_channel->RenderJsonString();
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GPR_ASSERT(json != nullptr);
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gpr_log(GPR_INFO, "%s", json);
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GPR_ASSERT(nullptr != strstr(json, "\"trace\""));
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GPR_ASSERT(nullptr != strstr(json, "\"description\":\"Channel created\""));
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GPR_ASSERT(nullptr != strstr(json, "\"severity\":\"CT_INFO\""));
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gpr_free(json);
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json = channelz_server->RenderJsonString();
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GPR_ASSERT(json != nullptr);
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gpr_log(GPR_INFO, "%s", json);
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GPR_ASSERT(nullptr != strstr(json, "\"trace\""));
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GPR_ASSERT(nullptr != strstr(json, "\"description\":\"Server created\""));
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GPR_ASSERT(nullptr != strstr(json, "\"severity\":\"CT_INFO\""));
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gpr_free(json);
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end_test(&f);
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config.tear_down_data(&f);
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}
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static void test_channelz_disabled(grpc_end2end_test_config config) {
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grpc_end2end_test_fixture f;
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grpc_arg arg[] = {
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grpc_channel_arg_integer_create(
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const_cast<char*>(GRPC_ARG_MAX_CHANNEL_TRACE_EVENT_MEMORY_PER_NODE),
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0),
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grpc_channel_arg_integer_create(
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const_cast<char*>(GRPC_ARG_ENABLE_CHANNELZ), false)};
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grpc_channel_args args = {GPR_ARRAY_SIZE(arg), arg};
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f = begin_test(config, "test_channelz_disabled", &args, &args);
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grpc_core::channelz::ChannelNode* channelz_channel =
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grpc_channel_get_channelz_node(f.client);
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GPR_ASSERT(channelz_channel == nullptr);
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// one successful request
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run_one_request(config, f, true);
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GPR_ASSERT(channelz_channel == nullptr);
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end_test(&f);
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|
|
|
config.tear_down_data(&f);
|
|
|
|
}
|
|
|
|
|
|
|
|
void channelz(grpc_end2end_test_config config) {
|
|
|
|
test_channelz(config);
|
|
|
|
test_channelz_with_channel_trace(config);
|
|
|
|
test_channelz_disabled(config);
|
|
|
|
}
|
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|
|
|
|
|
|
void channelz_pre_init(void) {}
|