Line data    Source code

       1             : 
       2             : /* Copyright (c) 2012-2017, Daniel Nachbaur <danielnachbaur@gmail.com>
       3             :  *                          Stefan.Eilemann@epfl.ch
       4             :  *
       5             :  * This file is part of Collage <https://github.com/Eyescale/Collage>
       6             :  *
       7             :  * This library is free software; you can redistribute it and/or modify it under
       8             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       9             :  * by the Free Software Foundation.
      10             :  *
      11             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      12             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      13             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      14             :  * details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public License
      17             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      18             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      19             :  */
      20             : 
      21             : #include "objectDataOCommand.h"
      22             : 
      23             : #include "buffer.h"
      24             : #include "objectDataICommand.h"
      25             : 
      26             : namespace co
      27             : {
      28             : namespace detail
      29             : {
      30             : class ObjectDataOCommand
      31             : {
      32             : public:
      33         164 :     ObjectDataOCommand(co::DataOStream* stream_, const void* data_,
      34             :                        const uint64_t size_)
      35         164 :         : data(data_)
      36             :         , size(0)
      37         164 :         , stream(stream_)
      38             :     {
      39         164 :         if (stream)
      40             :         {
      41         159 :             size = stream->getCompressedDataSize();
      42         159 :             if (size == 0)
      43         151 :                 size = size_;
      44             :         }
      45         164 :     }
      46             : 
      47           0 :     ObjectDataOCommand(const ObjectDataOCommand& rhs)
      48           0 :         : data(rhs.data)
      49           0 :         , size(rhs.size)
      50           0 :         , stream(rhs.stream)
      51             :     {
      52           0 :     }
      53             : 
      54             :     const void* const data;
      55             :     uint64_t size;
      56             :     co::DataOStream* stream;
      57             : };
      58             : }
      59             : 
      60         164 : ObjectDataOCommand::ObjectDataOCommand(
      61             :     const Connections& receivers, const uint32_t cmd, const uint32_t type,
      62             :     const uint128_t& id, const uint32_t instanceID, const uint128_t& version,
      63             :     const uint32_t sequence, const void* data, const uint64_t size,
      64         164 :     const bool isLast, DataOStream* stream)
      65             :     : ObjectOCommand(receivers, cmd, type, id, instanceID)
      66         164 :     , _impl(new detail::ObjectDataOCommand(stream, data, size))
      67             : {
      68         164 :     _init(version, sequence, size, isLast);
      69         164 : }
      70             : 
      71           0 : ObjectDataOCommand::ObjectDataOCommand(const ObjectDataOCommand& rhs)
      72             :     : ObjectOCommand(rhs)
      73           0 :     , _impl(new detail::ObjectDataOCommand(*rhs._impl))
      74             : {
      75           0 : }
      76             : 
      77         164 : void ObjectDataOCommand::_init(const uint128_t& version,
      78             :                                const uint32_t sequence, const uint64_t size,
      79             :                                const bool isLast)
      80             : {
      81         164 :     *this << version << size << sequence << isLast;
      82             : 
      83         164 :     if (_impl->stream)
      84         159 :         _impl->stream->streamDataHeader(*this);
      85             :     else
      86           5 :         *this << std::string() << uint32_t(0); // compressor, nChunks
      87         164 : }
      88             : 
      89         328 : ObjectDataOCommand::~ObjectDataOCommand()
      90             : {
      91         164 :     if (_impl->stream && _impl->size > 0)
      92             :     {
      93         159 :         sendHeader(_impl->size);
      94         159 :         const Connections& connections = getConnections();
      95         318 :         for (ConnectionsCIter i = connections.begin(); i != connections.end();
      96             :              ++i)
      97             :         {
      98         318 :             ConnectionPtr conn = *i;
      99         159 :             _impl->stream->sendBody(conn, _impl->data, _impl->size);
     100             :         }
     101             :     }
     102             : 
     103         164 :     delete _impl;
     104         164 : }
     105             : 
     106           1 : ObjectDataICommand ObjectDataOCommand::_getCommand(LocalNodePtr node)
     107             : {
     108           1 :     lunchbox::Bufferb& outBuffer = getBuffer();
     109             :     // cppcheck-suppress unreadVariable
     110           1 :     uint8_t* bytes = outBuffer.getData();
     111           1 :     reinterpret_cast<uint64_t*>(bytes)[0] = outBuffer.getSize();
     112             : 
     113           2 :     BufferPtr inBuffer = node->allocBuffer(outBuffer.getSize());
     114           1 :     inBuffer->swap(outBuffer);
     115           2 :     return ObjectDataICommand(node, node, inBuffer);
     116             : }
     117          63 : }