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added new DL mode: Progressive. This is a random mode that ensures no more than 50MB of free space will be written in the file at once. This should effectively remove the lag when initiating a DL on a big file, while keeping enough entropy to ensure a good dissemination of chunks

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6164 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2013-02-28 20:42:01 +00:00
parent 2d74a3012a
commit 4f1dda2ffb
10 changed files with 76 additions and 24 deletions
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4
libretroshare/src/ft/ftfilecreator.cc
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@ -416,10 +416,10 @@ void ftFileCreator::setChunkStrategy(FileChunksInfo::ChunkStrategy s)
RsStackMutex stack(ftcMutex); /********** STACK LOCKED MTX ******/
// Let's check, for safety.
if(s != FileChunksInfo::CHUNK_STRATEGY_STREAMING && s != FileChunksInfo::CHUNK_STRATEGY_RANDOM)
if(s != FileChunksInfo::CHUNK_STRATEGY_STREAMING && s != FileChunksInfo::CHUNK_STRATEGY_RANDOM && s != FileChunksInfo::CHUNK_STRATEGY_PROGRESSIVE)
{
std::cerr << "ftFileCreator::ERROR: invalid chunk strategy " << s << "!" << " setting default value " << FileChunksInfo::CHUNK_STRATEGY_STREAMING << std::endl ;
s = FileChunksInfo::CHUNK_STRATEGY_STREAMING ;
s = FileChunksInfo::CHUNK_STRATEGY_PROGRESSIVE ;
}
#ifdef FILE_DEBUG