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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

Browse source 
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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7
libretroshare/src/ft/ftcontroller.cc
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@ -104,7 +104,7 @@ ftController::ftController(CacheStrapper *cs, ftDataMultiplex *dm, std::string /
ctrlMutex("ftController"),
doneMutex("ftController"),
mFtActive(false),
mDefaultChunkStrategy(FileChunksInfo::CHUNK_STRATEGY_RANDOM)
mDefaultChunkStrategy(FileChunksInfo::CHUNK_STRATEGY_PROGRESSIVE)
{
_max_active_downloads = 5 ; // default queue size
_min_prioritized_transfers = 3 ;
@ -2235,6 +2235,11 @@ bool ftController::loadConfigMap(std::map<std::string, std::string> &configMap)
setDefaultChunkStrategy(FileChunksInfo::CHUNK_STRATEGY_RANDOM) ;
std::cerr << "Note: loading default value for chunk strategy: random" << std::endl;
}
else if(mit->second == "PROGRESSIVE")
{
setDefaultChunkStrategy(FileChunksInfo::CHUNK_STRATEGY_PROGRESSIVE) ;
std::cerr << "Note: loading default value for chunk strategy: progressive" << std::endl;
}
else
std::cerr << "**** ERROR ***: Unknown value for default chunk strategy in keymap." << std::endl ;
}