55 lines
1.7 KiB
C++
Executable File
55 lines
1.7 KiB
C++
Executable File
/*
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* Copyright 2018 The Cartographer Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef CARTOGRAPHER_IO_PROTO_STREAM_INTERFACE_H_
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#define CARTOGRAPHER_IO_PROTO_STREAM_INTERFACE_H_
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#include "cartographer/common/port.h"
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#include "google/protobuf/message.h"
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namespace cartographer {
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namespace io {
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// A writer for writing proto messages to a pbstream.
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class ProtoStreamWriterInterface {
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public:
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virtual ~ProtoStreamWriterInterface() {}
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// Serializes, compressed and writes the 'proto' to the file.
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virtual void WriteProto(const google::protobuf::Message& proto) = 0;
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// This should be called to check whether writing was successful.
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virtual bool Close() = 0;
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};
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// A reader of the format produced by ProtoStreamWriter.
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class ProtoStreamReaderInterface {
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public:
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ProtoStreamReaderInterface() = default;
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virtual ~ProtoStreamReaderInterface() {}
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// Deserialize compressed proto from the pb stream.
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virtual bool ReadProto(google::protobuf::Message* proto) = 0;
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// 'End-of-file' marker for the pb stream.
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virtual bool eof() const = 0;
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};
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} // namespace io
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} // namespace cartographer
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#endif // CARTOGRAPHER_IO_PROTO_STREAM_INTERFACE_H_
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