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Dont write directly to files but rather write and copy a tmp file

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This commit is contained in:
PilzAdam 2013-08-13 19:15:06 +02:00
parent c8930850e3
commit d718b0b34e
9 changed files with 101 additions and 69 deletions
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28
src/map.cpp
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@ -3490,20 +3490,21 @@ void ServerMap::saveMapMeta()
createDirs(m_savedir);
std::string fullpath = m_savedir + DIR_DELIM + "map_meta.txt";
std::ofstream os(fullpath.c_str(), std::ios_base::binary);
if(os.good() == false)
{
infostream<<"ERROR: ServerMap::saveMapMeta(): "
<<"could not open"<<fullpath<<std::endl;
throw FileNotGoodException("Cannot open chunk metadata");
}
std::ostringstream ss(std::ios_base::binary);
Settings params;
m_emerge->setParamsToSettings(&params);
params.writeLines(os);
params.writeLines(ss);
os<<"[end_of_params]\n";
ss<<"[end_of_params]\n";
if(!fs::safeWriteToFile(fullpath, ss.str()))
{
infostream<<"ERROR: ServerMap::saveMapMeta(): "
<<"could not write "<<fullpath<<std::endl;
throw FileNotGoodException("Cannot save chunk metadata");
}
m_map_metadata_changed = false;
}
@ -3574,11 +3575,12 @@ void ServerMap::saveSectorMeta(ServerMapSector *sector)
createDirs(dir);
std::string fullpath = dir + DIR_DELIM + "meta";
std::ofstream o(fullpath.c_str(), std::ios_base::binary);
if(o.good() == false)
throw FileNotGoodException("Cannot open sector metafile");
std::ostringstream ss(std::ios_base::binary);
sector->serialize(o, version);
sector->serialize(ss, version);
if(!fs::safeWriteToFile(fullpath, ss.str()))
throw FileNotGoodException("Cannot write sector metafile");
sector->differs_from_disk = false;
}