Files
ORB_SLAM3_Win/Thirdparty/Pangolin/include/pangolin/log/packet.h
PodmogilnyjIvan ff4acf84be raw
2021-12-03 03:34:31 -08:00

71 lines
2.1 KiB
C++

/* This file is part of the Pangolin Project.
* http://github.com/stevenlovegrove/Pangolin
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <mutex>
#include <pangolin/log/packetstream.h>
#include <pangolin/log/packetstream_source.h>
namespace pangolin {
// Encapsulate serialized reading of Packet from stream.
struct Packet
{
Packet(PacketStream& s, std::unique_lock<std::recursive_mutex>&& mutex, std::vector<PacketStreamSource>& srcs);
Packet(const Packet&) = delete;
Packet(Packet&& o);
~Packet();
size_t BytesRead() const;
int BytesRemaining() const;
PacketStream& Stream()
{
return _stream;
}
PacketStreamSourceId src;
int64_t time;
size_t size;
size_t sequence_num;
picojson::value meta;
std::streampos frame_streampos;
private:
void ParsePacketHeader(PacketStream& s, std::vector<PacketStreamSource>& srcs);
void ReadRemaining();
PacketStream& _stream;
std::unique_lock<std::recursive_mutex> lock;
std::streampos data_streampos;
size_t _data_len;
};
}