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c3b010b277f09dfce2b0e751e6949ea0dddec00c
doris/be/test/http/stream_load_test.cpp
Zhengguo Yang f8d086d87f [feature](rpc) (experimental)Support implement UDF through GRPC protocol. (#7519) 
Support implement UDF through GRPC protocol. This brings several benefits: 
1. The udf implementation language is not limited to c++, users can use any familiar language to implement udf
2. UDF is decoupled from Doris, udf will not cause doris coredump, udf computing resources are separated from doris, and doris services are not affected

But RPC's UDF has a fixed overhead, so its performance is much slower than C++ UDF, especially when the amount of data is large.

Create function like

```
CREATE FUNCTION rpc_add(INT, INT) RETURNS INT PROPERTIES (
  "SYMBOL"="add_int",
  "OBJECT_FILE"="127.0.0.1:9999",
  "TYPE"="RPC"
);
```
Function service need to implement `check_fn` and `fn_call` methods
Note:
THIS IS AN EXPERIMENTAL FEATURE, THE INTERFACE AND DATA STRUCTURE MAY BE CHANGED IN FUTURE !!!
2022-02-08 09:25:09 +08:00

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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.
#include "http/action/stream_load.h"
#include <event2/http.h>
#include <event2/http_struct.h>
#include <gtest/gtest.h>
#include <rapidjson/document.h>
#include "exec/schema_scanner/schema_helper.h"
#include "gen_cpp/HeartbeatService_types.h"
#include "http/http_channel.h"
#include "http/http_request.h"
#include "runtime/exec_env.h"
#include "runtime/stream_load/load_stream_mgr.h"
#include "runtime/stream_load/stream_load_executor.h"
#include "runtime/thread_resource_mgr.h"
#include "util/brpc_client_cache.h"
#include "util/cpu_info.h"
class mg_connection;
namespace doris {
std::string k_response_str;
// Send Unauthorized status with basic challenge
void HttpChannel::send_basic_challenge(HttpRequest* req, const std::string& realm) {}
void HttpChannel::send_error(HttpRequest* request, HttpStatus status) {}
void HttpChannel::send_reply(HttpRequest* request, HttpStatus status) {}
void HttpChannel::send_reply(HttpRequest* request, HttpStatus status, const std::string& content) {
k_response_str = content;
}
void HttpChannel::send_file(HttpRequest* request, int fd, size_t off, size_t size) {}
extern TLoadTxnBeginResult k_stream_load_begin_result;
extern TLoadTxnCommitResult k_stream_load_commit_result;
extern TLoadTxnRollbackResult k_stream_load_rollback_result;
extern TStreamLoadPutResult k_stream_load_put_result;
extern Status k_stream_load_plan_status;
class StreamLoadActionTest : public testing::Test {
public:
StreamLoadActionTest() {}
virtual ~StreamLoadActionTest() {}
void SetUp() override {
k_stream_load_begin_result = TLoadTxnBeginResult();
k_stream_load_commit_result = TLoadTxnCommitResult();
k_stream_load_rollback_result = TLoadTxnRollbackResult();
k_stream_load_put_result = TStreamLoadPutResult();
k_stream_load_plan_status = Status::OK();
k_response_str = "";
config::streaming_load_max_mb = 1;
_env._thread_mgr = new ThreadResourceMgr();
_env._master_info = new TMasterInfo();
_env._load_stream_mgr = new LoadStreamMgr();
_env._internal_client_cache = new BrpcClientCache<PBackendService_Stub>();
_env._function_client_cache = new BrpcClientCache<PFunctionService_Stub>();
_env._stream_load_executor = new StreamLoadExecutor(&_env);
_evhttp_req = evhttp_request_new(nullptr, nullptr);
}
void TearDown() override {
delete _env._internal_client_cache;
_env._internal_client_cache = nullptr;
delete _env._function_client_cache;
_env._function_client_cache = nullptr;
delete _env._load_stream_mgr;
_env._load_stream_mgr = nullptr;
delete _env._master_info;
_env._master_info = nullptr;
delete _env._thread_mgr;
_env._thread_mgr = nullptr;
delete _env._stream_load_executor;
_env._stream_load_executor = nullptr;
if (_evhttp_req != nullptr) {
evhttp_request_free(_evhttp_req);
}
}
private:
ExecEnv _env;
evhttp_request* _evhttp_req = nullptr;
};
TEST_F(StreamLoadActionTest, no_auth) {
StreamLoadAction action(&_env);
HttpRequest request(_evhttp_req);
request.set_handler(&action);
action.on_header(&request);
action.handle(&request);
rapidjson::Document doc;
doc.Parse(k_response_str.c_str());
ASSERT_STREQ("Fail", doc["Status"].GetString());
}
#if 0
TEST_F(StreamLoadActionTest, no_content_length) {
StreamLoadAction action(&__env);
HttpRequest request(_evhttp_req);
request._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
request.set_handler(&action);
action.on_header(&request);
action.handle(&request);
rapidjson::Document doc;
doc.Parse(k_response_str.c_str());
ASSERT_STREQ("Fail", doc["Status"].GetString());
}
TEST_F(StreamLoadActionTest, unknown_encoding) {
StreamLoadAction action(&_env);
HttpRequest request(_evhttp_req);
request._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
request._headers.emplace(HttpHeaders::TRANSFER_ENCODING, "chunked111");
request.set_handler(&action);
action.on_header(&request);
action.handle(&request);
rapidjson::Document doc;
doc.Parse(k_response_str.c_str());
ASSERT_STREQ("Fail", doc["Status"].GetString());
}
#endif
TEST_F(StreamLoadActionTest, normal) {
StreamLoadAction action(&_env);
HttpRequest request(_evhttp_req);
struct evhttp_request ev_req;
ev_req.remote_host = nullptr;
request._ev_req = &ev_req;
request._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
request._headers.emplace(HttpHeaders::CONTENT_LENGTH, "0");
request.set_handler(&action);
action.on_header(&request);
action.handle(&request);
rapidjson::Document doc;
doc.Parse(k_response_str.c_str());
ASSERT_STREQ("Success", doc["Status"].GetString());
}
TEST_F(StreamLoadActionTest, put_fail) {
StreamLoadAction action(&_env);
HttpRequest request(_evhttp_req);
struct evhttp_request ev_req;
ev_req.remote_host = nullptr;
request._ev_req = &ev_req;
request._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
request._headers.emplace(HttpHeaders::CONTENT_LENGTH, "16");
Status status = Status::InternalError("TestFail");
status.to_thrift(&k_stream_load_put_result.status);
request.set_handler(&action);
action.on_header(&request);
action.handle(&request);
rapidjson::Document doc;
doc.Parse(k_response_str.c_str());
ASSERT_STREQ("Fail", doc["Status"].GetString());
}
TEST_F(StreamLoadActionTest, commit_fail) {
StreamLoadAction action(&_env);
HttpRequest request(_evhttp_req);
struct evhttp_request ev_req;
ev_req.remote_host = nullptr;
request._ev_req = &ev_req;
request._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
request._headers.emplace(HttpHeaders::CONTENT_LENGTH, "16");
Status status = Status::InternalError("TestFail");
status.to_thrift(&k_stream_load_commit_result.status);
request.set_handler(&action);
action.on_header(&request);
action.handle(&request);
rapidjson::Document doc;
doc.Parse(k_response_str.c_str());
ASSERT_STREQ("Fail", doc["Status"].GetString());
}
TEST_F(StreamLoadActionTest, begin_fail) {
StreamLoadAction action(&_env);
HttpRequest request(_evhttp_req);
struct evhttp_request ev_req;
ev_req.remote_host = nullptr;
request._ev_req = &ev_req;
request._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
request._headers.emplace(HttpHeaders::CONTENT_LENGTH, "16");
Status status = Status::InternalError("TestFail");
status.to_thrift(&k_stream_load_begin_result.status);
request.set_handler(&action);
action.on_header(&request);
action.handle(&request);
rapidjson::Document doc;
doc.Parse(k_response_str.c_str());
ASSERT_STREQ("Fail", doc["Status"].GetString());
}
#if 0
TEST_F(StreamLoadActionTest, receive_failed) {
StreamLoadAction action(&_env);
HttpRequest request(_evhttp_req);
request._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
request._headers.emplace(HttpHeaders::TRANSFER_ENCODING, "chunked");
request.set_handler(&action);
action.on_header(&request);
action.handle(&request);
rapidjson::Document doc;
doc.Parse(k_response_str.c_str());
ASSERT_STREQ("Fail", doc["Status"].GetString());
}
#endif
TEST_F(StreamLoadActionTest, plan_fail) {
StreamLoadAction action(&_env);
HttpRequest request(_evhttp_req);
struct evhttp_request ev_req;
ev_req.remote_host = nullptr;
request._ev_req = &ev_req;
request._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
request._headers.emplace(HttpHeaders::CONTENT_LENGTH, "16");
k_stream_load_plan_status = Status::InternalError("TestFail");
request.set_handler(&action);
action.on_header(&request);
action.handle(&request);
rapidjson::Document doc;
doc.Parse(k_response_str.c_str());
ASSERT_STREQ("Fail", doc["Status"].GetString());
}
} // namespace doris
int main(int argc, char* argv[]) {
::testing::InitGoogleTest(&argc, argv);
doris::CpuInfo::init();
return RUN_ALL_TESTS();
}
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