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chore: import upstream snapshot with attribution

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wehub-resource-sync
2026-07-13 13:29:29 +08:00
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test/brpc_mongo_protocol_unittest.cpp
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
// brpc - A framework to host and access services throughout Baidu.
// Date: Thu Oct 15 21:08:31 CST 2015
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <gtest/gtest.h>
#include <gflags/gflags.h>
#include <google/protobuf/descriptor.h>
#include "butil/time.h"
#include "butil/macros.h"
#include "brpc/socket.h"
#include "brpc/acceptor.h"
#include "brpc/server.h"
#include "brpc/policy/mongo_protocol.h"
#include "brpc/policy/most_common_message.h"
#include "brpc/controller.h"
#include "brpc/mongo_head.h"
#include "brpc/mongo_service_adaptor.h"
#include "brpc/policy/mongo.pb.h"
int main(int argc, char* argv[]) {
testing::InitGoogleTest(&argc, argv);
GFLAGS_NAMESPACE::ParseCommandLineFlags(&argc, &argv, true);
return RUN_ALL_TESTS();
}
namespace {
static const std::string EXP_REQUEST = "hello";
static const std::string EXP_RESPONSE = "world";
class MyEchoService : public ::brpc::policy::MongoService {
void default_method(::google::protobuf::RpcController*,
const ::brpc::policy::MongoRequest* req,
::brpc::policy::MongoResponse* res,
::google::protobuf::Closure* done) {
brpc::ClosureGuard done_guard(done);
EXPECT_EQ(EXP_REQUEST, req->message());
res->mutable_header()->set_message_length(
sizeof(brpc::mongo_head_t) + sizeof(int32_t) * 3 +
sizeof(int64_t) + EXP_REQUEST.length());
res->set_message(EXP_RESPONSE);
}
};
class MyContext : public ::brpc::MongoContext {
};
class MyMongoAdaptor : public brpc::MongoServiceAdaptor {
public:
virtual void SerializeError(int /*response_to*/, butil::IOBuf* out_buf) const {
brpc::mongo_head_t header = {
(int32_t)(sizeof(brpc::mongo_head_t) + sizeof(int32_t) * 3 +
sizeof(int64_t) + EXP_REQUEST.length()),
0, 0, 0};
out_buf->append(static_cast<const void*>(&header), sizeof(brpc::mongo_head_t));
int32_t response_flags = 0;
int64_t cursor_id = 0;
int32_t starting_from = 0;
int32_t number_returned = 0;
out_buf->append(&response_flags, sizeof(response_flags));
out_buf->append(&cursor_id, sizeof(cursor_id));
out_buf->append(&starting_from, sizeof(starting_from));
out_buf->append(&number_returned, sizeof(number_returned));
out_buf->append(EXP_RESPONSE);
}
virtual ::brpc::MongoContext* CreateSocketContext() const {
return new MyContext;
}
};
class MongoTest : public ::testing::Test{
protected:
MongoTest() {
EXPECT_EQ(0, _server.AddService(
&_svc, brpc::SERVER_DOESNT_OWN_SERVICE));
// Hack: Regard `_server' as running
_server._status = brpc::Server::RUNNING;
_server._options.mongo_service_adaptor = &_adaptor;
EXPECT_EQ(0, pipe(_pipe_fds));
brpc::SocketId id;
brpc::SocketOptions options;
options.fd = _pipe_fds[1];
EXPECT_EQ(0, brpc::Socket::Create(options, &id));
EXPECT_EQ(0, brpc::Socket::Address(id, &_socket));
};
virtual ~MongoTest() {};
virtual void SetUp() {};
virtual void TearDown() {};
void ProcessMessage(void (*process)(brpc::InputMessageBase*),
brpc::InputMessageBase* msg, bool set_eof) {
if (msg->_socket == NULL) {
_socket->ReAddress(&msg->_socket);
}
msg->_arg = &_server;
_socket->PostponeEOF();
if (set_eof) {
_socket->SetEOF();
}
(*process)(msg);
}
brpc::policy::MostCommonMessage* MakeRequestMessage(
brpc::mongo_head_t* head) {
head->message_length = sizeof(head) + EXP_REQUEST.length();
head->op_code = brpc::MONGO_OPCODE_REPLY;
brpc::policy::MostCommonMessage* msg =
brpc::policy::MostCommonMessage::Get();
msg->meta.append(&head, sizeof(head));
msg->payload.append(EXP_REQUEST);
return msg;
}
void CheckEmptyResponse() {
int bytes_in_pipe = 0;
ioctl(_pipe_fds[0], FIONREAD, &bytes_in_pipe);
EXPECT_EQ(0, bytes_in_pipe);
}
int _pipe_fds[2];
brpc::SocketUniquePtr _socket;
brpc::Server _server;
MyMongoAdaptor _adaptor;
MyEchoService _svc;
};
TEST_F(MongoTest, process_request_logoff) {
brpc::mongo_head_t header = { 0, 0, 0, 0 };
header.op_code = brpc::MONGO_OPCODE_REPLY;
header.message_length = sizeof(header) + EXP_REQUEST.length();
butil::IOBuf total_buf;
total_buf.append(static_cast<const void*>(&header), sizeof(header));
total_buf.append(EXP_REQUEST);
brpc::ParseResult req_pr = brpc::policy::ParseMongoMessage(
&total_buf, _socket.get(), false, &_server);
ASSERT_EQ(brpc::PARSE_OK, req_pr.error());
_server._status = brpc::Server::READY;
ProcessMessage(brpc::policy::ProcessMongoRequest, req_pr.message(), false);
ASSERT_EQ(1ll, _server._nerror_bvar.get_value());
}
TEST_F(MongoTest, process_request_failed_socket) {
brpc::mongo_head_t header = { 0, 0, 0, 0 };
header.op_code = brpc::MONGO_OPCODE_REPLY;
header.message_length = sizeof(header) + EXP_REQUEST.length();
butil::IOBuf total_buf;
total_buf.append(static_cast<const void*>(&header), sizeof(header));
total_buf.append(EXP_REQUEST);
brpc::ParseResult req_pr = brpc::policy::ParseMongoMessage(
&total_buf, _socket.get(), false, &_server);
ASSERT_EQ(brpc::PARSE_OK, req_pr.error());
_socket->SetFailed();
ProcessMessage(brpc::policy::ProcessMongoRequest, req_pr.message(), false);
ASSERT_EQ(0ll, _server._nerror_bvar.get_value());
}
TEST_F(MongoTest, complete_flow) {
butil::IOBuf request_buf;
butil::IOBuf total_buf;
brpc::Controller cntl;
brpc::policy::MongoRequest req;
brpc::policy::MongoResponse res;
cntl._response = &res;
// Assemble request
brpc::mongo_head_t header = { 0, 0, 0, 0 };
header.message_length = sizeof(header) + EXP_REQUEST.length();
total_buf.append(static_cast<const void*>(&header), sizeof(header));
total_buf.append(EXP_REQUEST);
const size_t old_size = total_buf.size();
// Handle request
brpc::ParseResult req_pr =
brpc::policy::ParseMongoMessage(&total_buf, _socket.get(), false, &_server);
// head.op_code does not fit.
ASSERT_EQ(brpc::PARSE_ERROR_TRY_OTHERS, req_pr.error());
// no data should be consumed.
ASSERT_EQ(old_size, total_buf.size());
header.op_code = brpc::MONGO_OPCODE_REPLY;
total_buf.clear();
total_buf.append(static_cast<const void*>(&header), sizeof(header));
total_buf.append(EXP_REQUEST);
req_pr = brpc::policy::ParseMongoMessage(&total_buf, _socket.get(), false, &_server);
ASSERT_EQ(brpc::PARSE_OK, req_pr.error());
brpc::InputMessageBase* req_msg = req_pr.message();
ProcessMessage(brpc::policy::ProcessMongoRequest, req_msg, false);
// Read response from pipe
butil::IOPortal response_buf;
response_buf.append_from_file_descriptor(_pipe_fds[0], 1024);
char buf[sizeof(brpc::mongo_head_t)];
const brpc::mongo_head_t *phead = static_cast<const brpc::mongo_head_t*>(
response_buf.fetch(buf, sizeof(buf)));
response_buf.cutn(&header, sizeof(header));
response_buf.cutn(buf, sizeof(int32_t));
response_buf.cutn(buf, sizeof(int64_t));
response_buf.cutn(buf, sizeof(int32_t));
response_buf.cutn(buf, sizeof(int32_t));
char msg_buf[200];
int msg_length = phead->message_length - sizeof(brpc::mongo_head_t) - sizeof(int32_t) * 3 -
sizeof(int64_t);
response_buf.cutn(msg_buf, msg_length);
msg_buf[msg_length] = '\0';
ASSERT_FALSE(cntl.Failed());
ASSERT_STREQ(EXP_RESPONSE.c_str(), msg_buf);
}
} //namespace