70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
// 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.
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <string>
|
|
#include <map>
|
|
|
|
#include "common/status.h"
|
|
#include "exec/file_reader.h"
|
|
#include "gen_cpp/Types_types.h"
|
|
#include "gen_cpp/PaloBrokerService_types.h"
|
|
|
|
namespace doris {
|
|
|
|
class ExecEnv;
|
|
class TBrokerRangeDesc;
|
|
class TNetworkAddress;
|
|
class RuntimeState;
|
|
|
|
// Reader of broker file
|
|
class BrokerReader : public FileReader {
|
|
public:
|
|
BrokerReader(ExecEnv* env,
|
|
const std::vector<TNetworkAddress>& broker_addresses,
|
|
const std::map<std::string, std::string>& properties,
|
|
const std::string& path,
|
|
int64_t start_offset);
|
|
virtual ~BrokerReader();
|
|
|
|
Status open();
|
|
|
|
// Read
|
|
virtual Status read(uint8_t* buf, size_t* buf_len, bool* eof) override;
|
|
|
|
virtual void close() override;
|
|
private:
|
|
ExecEnv* _env;
|
|
const std::vector<TNetworkAddress>& _addresses;
|
|
const std::map<std::string, std::string>& _properties;
|
|
const std::string& _path;
|
|
|
|
int64_t _cur_offset;
|
|
|
|
bool _is_fd_valid;
|
|
TBrokerFD _fd;
|
|
bool _eof;
|
|
|
|
int _addr_idx;
|
|
};
|
|
|
|
}
|
|
|