// brpc - A framework to host and access services throughout Baidu. // Copyright (c) 2014 Baidu, Inc. // 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_NS::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