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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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322 lines
11 KiB
322 lines
11 KiB
/* |
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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 <stdio.h> |
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#include <string.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/channel/channelz_registry.h" |
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#include "src/core/lib/gpr/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 "test/core/end2end/cq_verifier.h" |
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#include "test/core/end2end/end2end_tests.h" |
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static void* tag(intptr_t t) { return reinterpret_cast<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->cq, tag(1000)); |
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grpc_event ev; |
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do { |
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ev = grpc_completion_queue_next(f->cq, grpc_timeout_seconds_to_deadline(5), |
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nullptr); |
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} while (ev.type != GRPC_OP_COMPLETE || ev.tag != tag(1000)); |
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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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} |
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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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grpc_core::CqVerifier cqv(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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cqv.Expect(tag(101), true); |
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cqv.Verify(); |
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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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cqv.Expect(tag(102), true); |
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cqv.Expect(tag(1), true); |
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cqv.Verify(); |
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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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} |
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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_core::Server::FromC(f.server)->channelz_node(); |
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GPR_ASSERT(channelz_server != nullptr); |
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std::string json = channelz_channel->RenderJsonString(); |
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// nothing is present yet |
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GPR_ASSERT(json.find("\"callsStarted\"") == json.npos); |
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GPR_ASSERT(json.find("\"callsFailed\"") == json.npos); |
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GPR_ASSERT(json.find("\"callsSucceeded\"") == json.npos); |
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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.find("\"callsStarted\":\"1\"") != json.npos); |
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GPR_ASSERT(json.find("\"callsSucceeded\":\"1\"") != json.npos); |
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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.find("\"callsStarted\":\"2\"") != json.npos); |
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GPR_ASSERT(json.find("\"callsFailed\":\"1\"") != json.npos); |
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GPR_ASSERT(json.find("\"callsSucceeded\":\"1\"") != json.npos); |
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// channel tracing is not enabled, so these should not be preset. |
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GPR_ASSERT(json.find("\"trace\"") == json.npos); |
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GPR_ASSERT(json.find("\"description\":\"Channel created\"") == json.npos); |
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GPR_ASSERT(json.find("\"severity\":\"CT_INFO\"") == json.npos); |
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json = channelz_server->RenderJsonString(); |
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GPR_ASSERT(json.find("\"callsStarted\":\"2\"") != json.npos); |
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GPR_ASSERT(json.find("\"callsFailed\":\"1\"") != json.npos); |
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GPR_ASSERT(json.find("\"callsSucceeded\":\"1\"") != json.npos); |
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// channel tracing is not enabled, so these should not be preset. |
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GPR_ASSERT(json.find("\"trace\"") == json.npos); |
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GPR_ASSERT(json.find("\"description\":\"Channel created\"") == json.npos); |
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GPR_ASSERT(json.find("\"severity\":\"CT_INFO\"") == json.npos); |
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json = channelz_server->RenderServerSockets(0, 100); |
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GPR_ASSERT(json.find("\"end\":true") != json.npos); |
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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_core::Server::FromC(f.server)->channelz_node(); |
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GPR_ASSERT(channelz_server != nullptr); |
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run_one_request(config, f, true); |
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std::string json = channelz_channel->RenderJsonString(); |
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GPR_ASSERT(json.find("\"trace\"") != json.npos); |
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GPR_ASSERT(json.find("\"description\":\"Channel created\"") != json.npos); |
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GPR_ASSERT(json.find("\"severity\":\"CT_INFO\"") != json.npos); |
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json = channelz_server->RenderJsonString(); |
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GPR_ASSERT(json.find("\"trace\"") != json.npos); |
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GPR_ASSERT(json.find("\"description\":\"Server created\"") != json.npos); |
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GPR_ASSERT(json.find("\"severity\":\"CT_INFO\"") != json.npos); |
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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); |
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} |
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void channelz(grpc_end2end_test_config config) { |
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test_channelz(config); |
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test_channelz_with_channel_trace(config); |
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test_channelz_disabled(config); |
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} |
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void channelz_pre_init(void) {}
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