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fixed a completion issue in FT

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@2174 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2010-02-02 22:15:42 +00:00
parent 1d6bef168b
commit e08d13397a
5 changed files with 22 additions and 13 deletions
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13
libretroshare/src/ft/ftchunkmap.cc
View File

@ -62,7 +62,7 @@ void ChunkMap::setAvailabilityMap(const CompressedChunkMap& map)
if(map[i] > 0)
{
_map[i] = FileChunksInfo::CHUNK_DONE ;
_total_downloaded += _chunk_size ;
_total_downloaded += sizeOfChunk(i) ;
}
else
_map[i] = FileChunksInfo::CHUNK_OUTSTANDING ;
@ -128,7 +128,7 @@ void ChunkMap::dataReceived(const ftChunk::ChunkId& cid)
// - chunks pushed when new chunks are needed
// - chunks removed when completely downloaded
//
bool ChunkMap::getDataChunk(const std::string& peer_id,uint32_t size_hint,ftChunk& chunk,bool& source_chunk_map_needed)
bool ChunkMap::getDataChunk(const std::string& peer_id,uint32_t size_hint,ftChunk& chunk,bool& source_chunk_map_needed,bool& file_is_complete)
{
#ifdef DEBUG_FTCHUNK
std::cerr << "*** ChunkMap::getDataChunk: size_hint = " << size_hint << std::endl ;
@ -145,10 +145,10 @@ bool ChunkMap::getDataChunk(const std::string& peer_id,uint32_t size_hint,ftChun
switch(_strategy)
{
case FileChunksInfo::CHUNK_STRATEGY_STREAMING: c = getAvailableChunk(0,peer_id,source_chunk_map_needed) ; // very bold!!
case FileChunksInfo::CHUNK_STRATEGY_STREAMING: c = getAvailableChunk(0,peer_id,source_chunk_map_needed,file_is_complete) ; // very bold!!
break ;
case FileChunksInfo::CHUNK_STRATEGY_RANDOM: c = getAvailableChunk(rand()%_map.size(),peer_id,source_chunk_map_needed) ;
case FileChunksInfo::CHUNK_STRATEGY_RANDOM: c = getAvailableChunk(rand()%_map.size(),peer_id,source_chunk_map_needed,file_is_complete) ;
break ;
default:
#ifdef DEBUG_FTCHUNK
@ -288,7 +288,7 @@ uint32_t ChunkMap::sizeOfChunk(uint32_t cid) const
return _chunk_size ;
}
uint32_t ChunkMap::getAvailableChunk(uint32_t start_location,const std::string& peer_id,bool& map_is_too_old)
uint32_t ChunkMap::getAvailableChunk(uint32_t start_location,const std::string& peer_id,bool& map_is_too_old,bool& file_is_complete)
{
// Quite simple strategy: Check for 1st availabe chunk for this peer starting from the given start location.
//
@ -345,6 +345,8 @@ uint32_t ChunkMap::getAvailableChunk(uint32_t start_location,const std::string&
else
map_is_too_old = false ;// the map is not too old
file_is_complete = true ;
for(unsigned int i=0;i<_map.size();++i)
{
uint32_t j = (start_location+i)%(int)_map.size() ; // index of the chunk
@ -354,6 +356,7 @@ uint32_t ChunkMap::getAvailableChunk(uint32_t start_location,const std::string&
#ifdef DEBUG_FTCHUNK
std::cerr << "ChunkMap::getAvailableChunk: returning chunk " << j << " for peer " << peer_id << std::endl;
#endif
file_is_complete = false ;
return j ;
}
}

7
libretroshare/src/ft/ftchunkmap.h
View File

@ -106,8 +106,11 @@ class ChunkMap
/// If not, randomly/streamly select a new chunk depending on the strategy.
/// adds an entry in the chunk_ids map, and sets up 1 interval for it.
/// the chunk should be available from the designated peer.
/// On return:
/// - source_chunk_map_needed = true if the source map should be asked
/// - file_is_complete = true if the file is complete.
virtual bool getDataChunk(const std::string& peer_id,uint32_t size_hint,ftChunk& chunk,bool& source_chunk_map_needed) ;
virtual bool getDataChunk(const std::string& peer_id,uint32_t size_hint,ftChunk& chunk,bool& source_chunk_map_needed,bool& file_is_complete) ;
/// Notify received a slice of data. This needs to
/// - carve in the map of chunks what is received, what is not.
@ -160,7 +163,7 @@ class ChunkMap
/// Returns the first chunk available starting from start_location for this peer_id.
//
uint32_t getAvailableChunk(uint32_t start_location,const std::string& peer_id,bool& chunk_map_too_old) ;
uint32_t getAvailableChunk(uint32_t start_location,const std::string& peer_id,bool& chunk_map_too_old,bool& file_is_complete) ;
private:
uint64_t _file_size ; //! total size of the file in bytes.

4
libretroshare/src/ft/ftfilecreator.cc
View File

@ -317,7 +317,7 @@ void ftFileCreator::setChunkStrategy(FileChunksInfo::ChunkStrategy s)
* But can return size = 0, if we are still waiting for the data.
*/
bool ftFileCreator::getMissingChunk(const std::string& peer_id,uint32_t size_hint,uint64_t &offset, uint32_t& size,bool& source_chunk_map_needed)
bool ftFileCreator::getMissingChunk(const std::string& peer_id,uint32_t size_hint,uint64_t &offset, uint32_t& size,bool& source_chunk_map_needed,bool& file_is_complete)
{
RsStackMutex stack(ftcMutex); /********** STACK LOCKED MTX ******/
#ifdef FILE_DEBUG
@ -356,7 +356,7 @@ bool ftFileCreator::getMissingChunk(const std::string& peer_id,uint32_t size_hin
ftChunk chunk ;
if(!chunkMap.getDataChunk(peer_id,size_hint,chunk,source_chunk_map_needed))
if(!chunkMap.getDataChunk(peer_id,size_hint,chunk,source_chunk_map_needed,file_is_complete))
return false ;
#ifdef FILE_DEBUG

2
libretroshare/src/ft/ftfilecreator.h
View File

@ -63,7 +63,7 @@ class ftFileCreator: public ftFileProvider
// - no chunkmap info is available. In such a case, the chunk info is irrelevant and false is returned.
// - the chunk info is too old. In tis case, true is returned, and the chunks info can be used.
//
bool getMissingChunk(const std::string& peer_id,uint32_t size_hint,uint64_t& offset, uint32_t& size,bool& is_chunk_map_too_old);
bool getMissingChunk(const std::string& peer_id,uint32_t size_hint,uint64_t& offset, uint32_t& size,bool& is_chunk_map_too_old,bool& file_is_complete);
// Takes care of purging any inactive chunks. This should be called regularly, because some peers may disconnect
// and let inactive chunks not finished.

9
libretroshare/src/ft/fttransfermodule.cc
View File

@ -328,11 +328,16 @@ bool ftTransferModule::getChunk(const std::string& peer_id,uint32_t size_hint,ui
#endif
bool source_peer_map_needed ;
bool val = mFileCreator->getMissingChunk(peer_id,size_hint,offset, chunk_size,source_peer_map_needed);
bool file_is_complete ;
bool val = mFileCreator->getMissingChunk(peer_id,size_hint,offset, chunk_size,source_peer_map_needed,file_is_complete);
if(source_peer_map_needed)
mMultiplexor->sendChunkMapRequest(peer_id, mHash) ;
if(file_is_complete)
mFlag = 1;
#ifdef FT_DEBUG
if (val)
{
@ -706,8 +711,6 @@ bool ftTransferModule::locked_tickPeerTransfer(peerInfo &info)
std::cerr << std::endl;
}
}
else
mFlag = 1;
return true;
}