236 lines
8.4 KiB
C++
236 lines
8.4 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// brpc - A framework to host and access services throughout Baidu.
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// Date: Thu Oct 15 21:08:31 CST 2015
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <gtest/gtest.h>
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#include <gflags/gflags.h>
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#include <google/protobuf/descriptor.h>
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#include "butil/time.h"
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#include "butil/macros.h"
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#include "brpc/socket.h"
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#include "brpc/acceptor.h"
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#include "brpc/server.h"
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#include "brpc/policy/mongo_protocol.h"
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#include "brpc/policy/most_common_message.h"
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#include "brpc/controller.h"
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#include "brpc/mongo_head.h"
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#include "brpc/mongo_service_adaptor.h"
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#include "brpc/policy/mongo.pb.h"
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int main(int argc, char* argv[]) {
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testing::InitGoogleTest(&argc, argv);
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GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
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return RUN_ALL_TESTS();
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}
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namespace {
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static const std::string EXP_REQUEST = "hello";
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static const std::string EXP_RESPONSE = "world";
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class MyEchoService : public ::brpc::policy::MongoService {
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void default_method(::google::protobuf::RpcController*,
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const ::brpc::policy::MongoRequest* req,
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::brpc::policy::MongoResponse* res,
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::google::protobuf::Closure* done) {
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brpc::ClosureGuard done_guard(done);
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EXPECT_EQ(EXP_REQUEST, req->message());
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res->mutable_header()->set_message_length(
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sizeof(brpc::mongo_head_t) + sizeof(int32_t) * 3 +
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sizeof(int64_t) + EXP_REQUEST.length());
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res->set_message(EXP_RESPONSE);
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}
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};
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class MyContext : public ::brpc::MongoContext {
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};
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class MyMongoAdaptor : public brpc::MongoServiceAdaptor {
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public:
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virtual void SerializeError(int /*response_to*/, butil::IOBuf* out_buf) const {
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brpc::mongo_head_t header = {
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(int32_t)(sizeof(brpc::mongo_head_t) + sizeof(int32_t) * 3 +
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sizeof(int64_t) + EXP_REQUEST.length()),
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0, 0, 0};
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out_buf->append(static_cast<const void*>(&header), sizeof(brpc::mongo_head_t));
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int32_t response_flags = 0;
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int64_t cursor_id = 0;
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int32_t starting_from = 0;
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int32_t number_returned = 0;
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out_buf->append(&response_flags, sizeof(response_flags));
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out_buf->append(&cursor_id, sizeof(cursor_id));
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out_buf->append(&starting_from, sizeof(starting_from));
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out_buf->append(&number_returned, sizeof(number_returned));
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out_buf->append(EXP_RESPONSE);
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}
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virtual ::brpc::MongoContext* CreateSocketContext() const {
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return new MyContext;
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}
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};
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class MongoTest : public ::testing::Test{
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protected:
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MongoTest() {
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EXPECT_EQ(0, _server.AddService(
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&_svc, brpc::SERVER_DOESNT_OWN_SERVICE));
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// Hack: Regard `_server' as running
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_server._status = brpc::Server::RUNNING;
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_server._options.mongo_service_adaptor = &_adaptor;
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EXPECT_EQ(0, pipe(_pipe_fds));
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brpc::SocketId id;
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brpc::SocketOptions options;
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options.fd = _pipe_fds[1];
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EXPECT_EQ(0, brpc::Socket::Create(options, &id));
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EXPECT_EQ(0, brpc::Socket::Address(id, &_socket));
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};
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virtual ~MongoTest() {};
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virtual void SetUp() {};
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virtual void TearDown() {};
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void ProcessMessage(void (*process)(brpc::InputMessageBase*),
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brpc::InputMessageBase* msg, bool set_eof) {
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if (msg->_socket == NULL) {
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_socket->ReAddress(&msg->_socket);
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}
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msg->_arg = &_server;
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_socket->PostponeEOF();
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if (set_eof) {
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_socket->SetEOF();
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}
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(*process)(msg);
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}
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brpc::policy::MostCommonMessage* MakeRequestMessage(
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brpc::mongo_head_t* head) {
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head->message_length = sizeof(head) + EXP_REQUEST.length();
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head->op_code = brpc::MONGO_OPCODE_REPLY;
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brpc::policy::MostCommonMessage* msg =
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brpc::policy::MostCommonMessage::Get();
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msg->meta.append(&head, sizeof(head));
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msg->payload.append(EXP_REQUEST);
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return msg;
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}
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void CheckEmptyResponse() {
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int bytes_in_pipe = 0;
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ioctl(_pipe_fds[0], FIONREAD, &bytes_in_pipe);
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EXPECT_EQ(0, bytes_in_pipe);
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}
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int _pipe_fds[2];
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brpc::SocketUniquePtr _socket;
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brpc::Server _server;
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MyMongoAdaptor _adaptor;
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MyEchoService _svc;
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};
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TEST_F(MongoTest, process_request_logoff) {
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brpc::mongo_head_t header = { 0, 0, 0, 0 };
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header.op_code = brpc::MONGO_OPCODE_REPLY;
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header.message_length = sizeof(header) + EXP_REQUEST.length();
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butil::IOBuf total_buf;
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total_buf.append(static_cast<const void*>(&header), sizeof(header));
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total_buf.append(EXP_REQUEST);
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brpc::ParseResult req_pr = brpc::policy::ParseMongoMessage(
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&total_buf, _socket.get(), false, &_server);
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ASSERT_EQ(brpc::PARSE_OK, req_pr.error());
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_server._status = brpc::Server::READY;
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ProcessMessage(brpc::policy::ProcessMongoRequest, req_pr.message(), false);
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ASSERT_EQ(1ll, _server._nerror_bvar.get_value());
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}
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TEST_F(MongoTest, process_request_failed_socket) {
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brpc::mongo_head_t header = { 0, 0, 0, 0 };
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header.op_code = brpc::MONGO_OPCODE_REPLY;
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header.message_length = sizeof(header) + EXP_REQUEST.length();
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butil::IOBuf total_buf;
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total_buf.append(static_cast<const void*>(&header), sizeof(header));
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total_buf.append(EXP_REQUEST);
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brpc::ParseResult req_pr = brpc::policy::ParseMongoMessage(
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&total_buf, _socket.get(), false, &_server);
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ASSERT_EQ(brpc::PARSE_OK, req_pr.error());
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_socket->SetFailed();
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ProcessMessage(brpc::policy::ProcessMongoRequest, req_pr.message(), false);
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ASSERT_EQ(0ll, _server._nerror_bvar.get_value());
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}
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TEST_F(MongoTest, complete_flow) {
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butil::IOBuf request_buf;
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butil::IOBuf total_buf;
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brpc::Controller cntl;
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brpc::policy::MongoRequest req;
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brpc::policy::MongoResponse res;
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cntl._response = &res;
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// Assemble request
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brpc::mongo_head_t header = { 0, 0, 0, 0 };
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header.message_length = sizeof(header) + EXP_REQUEST.length();
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total_buf.append(static_cast<const void*>(&header), sizeof(header));
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total_buf.append(EXP_REQUEST);
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const size_t old_size = total_buf.size();
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// Handle request
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brpc::ParseResult req_pr =
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brpc::policy::ParseMongoMessage(&total_buf, _socket.get(), false, &_server);
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// head.op_code does not fit.
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ASSERT_EQ(brpc::PARSE_ERROR_TRY_OTHERS, req_pr.error());
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// no data should be consumed.
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ASSERT_EQ(old_size, total_buf.size());
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header.op_code = brpc::MONGO_OPCODE_REPLY;
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total_buf.clear();
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total_buf.append(static_cast<const void*>(&header), sizeof(header));
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total_buf.append(EXP_REQUEST);
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req_pr = brpc::policy::ParseMongoMessage(&total_buf, _socket.get(), false, &_server);
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ASSERT_EQ(brpc::PARSE_OK, req_pr.error());
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brpc::InputMessageBase* req_msg = req_pr.message();
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ProcessMessage(brpc::policy::ProcessMongoRequest, req_msg, false);
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// Read response from pipe
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butil::IOPortal response_buf;
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response_buf.append_from_file_descriptor(_pipe_fds[0], 1024);
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char buf[sizeof(brpc::mongo_head_t)];
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const brpc::mongo_head_t *phead = static_cast<const brpc::mongo_head_t*>(
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response_buf.fetch(buf, sizeof(buf)));
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response_buf.cutn(&header, sizeof(header));
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response_buf.cutn(buf, sizeof(int32_t));
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response_buf.cutn(buf, sizeof(int64_t));
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response_buf.cutn(buf, sizeof(int32_t));
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response_buf.cutn(buf, sizeof(int32_t));
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char msg_buf[200];
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int msg_length = phead->message_length - sizeof(brpc::mongo_head_t) - sizeof(int32_t) * 3 -
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sizeof(int64_t);
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response_buf.cutn(msg_buf, msg_length);
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msg_buf[msg_length] = '\0';
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ASSERT_FALSE(cntl.Failed());
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ASSERT_STREQ(EXP_RESPONSE.c_str(), msg_buf);
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}
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} //namespace
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