corrected compled completion and file progress issues

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@2356 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2010-02-17 22:10:12 +00:00
parent 2b58d2fc02
commit 851e9069f6
5 changed files with 43 additions and 22 deletions

View File

@ -45,8 +45,9 @@ ChunkMap::ChunkMap(uint64_t s)
++n ;
_map.resize(n,FileChunksInfo::CHUNK_OUTSTANDING) ;
_total_downloaded = 0 ;
_strategy = FileChunksInfo::CHUNK_STRATEGY_STREAMING ;
_total_downloaded = 0 ;
_file_is_complete = false ;
#ifdef DEBUG_FTCHUNK
std::cerr << "*** ChunkMap::ChunkMap: starting new chunkmap:" << std::endl ;
std::cerr << " File size: " << s << std::endl ;
@ -58,6 +59,9 @@ ChunkMap::ChunkMap(uint64_t s)
void ChunkMap::setAvailabilityMap(const CompressedChunkMap& map)
{
_file_is_complete = true ;
_total_downloaded = 0 ;
for(uint32_t i=0;i<_map.size();++i)
if(map[i] > 0)
{
@ -65,7 +69,10 @@ void ChunkMap::setAvailabilityMap(const CompressedChunkMap& map)
_total_downloaded += sizeOfChunk(i) ;
}
else
{
_map[i] = FileChunksInfo::CHUNK_OUTSTANDING ;
_file_is_complete = false ;
}
}
void ChunkMap::dataReceived(const ftChunk::ChunkId& cid)
@ -113,6 +120,17 @@ void ChunkMap::dataReceived(const ftChunk::ChunkId& cid)
#endif
_map[n] = FileChunksInfo::CHUNK_DONE ;
_slices_to_download.erase(itc) ;
// We also check whether the file is complete or not.
_file_is_complete = true ;
for(uint32_t i=0;i<_map.size();++i)
if(_map[i] != FileChunksInfo::CHUNK_DONE)
{
_file_is_complete = false ;
break ;
}
}
}
@ -128,7 +146,7 @@ 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& file_is_complete)
bool ChunkMap::getDataChunk(const std::string& peer_id,uint32_t size_hint,ftChunk& chunk,bool& source_chunk_map_needed)
{
#ifdef DEBUG_FTCHUNK
std::cerr << "*** ChunkMap::getDataChunk: size_hint = " << size_hint << std::endl ;
@ -145,10 +163,10 @@ 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,file_is_complete) ; // very bold!!
case FileChunksInfo::CHUNK_STRATEGY_STREAMING: c = getAvailableChunk(0,peer_id,source_chunk_map_needed) ; // very bold!!
break ;
case FileChunksInfo::CHUNK_STRATEGY_RANDOM: c = getAvailableChunk(rand()%_map.size(),peer_id,source_chunk_map_needed,file_is_complete) ;
case FileChunksInfo::CHUNK_STRATEGY_RANDOM: c = getAvailableChunk(rand()%_map.size(),peer_id,source_chunk_map_needed) ;
break ;
default:
#ifdef DEBUG_FTCHUNK
@ -288,7 +306,7 @@ 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,bool& file_is_complete)
uint32_t ChunkMap::getAvailableChunk(uint32_t start_location,const std::string& peer_id,bool& map_is_too_old)
{
// Quite simple strategy: Check for 1st availabe chunk for this peer starting from the given start location.
//
@ -345,15 +363,10 @@ 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
if(_map[j] != FileChunksInfo::CHUNK_DONE)
file_is_complete = false ;
if(_map[j] == FileChunksInfo::CHUNK_OUTSTANDING && (peer_chunks->is_full || peer_chunks->cmap[j]))
{
#ifdef DEBUG_FTCHUNK

View File

@ -108,9 +108,8 @@ class ChunkMap
/// 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,bool& file_is_complete) ;
virtual bool getDataChunk(const std::string& peer_id,uint32_t size_hint,ftChunk& chunk,bool& source_chunk_map_needed) ;
/// Notify received a slice of data. This needs to
/// - carve in the map of chunks what is received, what is not.
@ -156,6 +155,9 @@ class ChunkMap
/// Returns the total size of downloaded data in the file.
uint64_t getTotalReceived() const { return _total_downloaded ; }
/// returns true is the file is complete
bool isComplete() const { return _file_is_complete ; }
void getChunksInfo(FileChunksInfo& info) const ;
protected:
/// handles what size the last chunk has.
@ -163,7 +165,7 @@ 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,bool& file_is_complete) ;
uint32_t getAvailableChunk(uint32_t start_location,const std::string& peer_id,bool& chunk_map_too_old) ;
private:
uint64_t _file_size ; //! total size of the file in bytes.
@ -174,6 +176,7 @@ class ChunkMap
std::vector<FileChunksInfo::ChunkState> _map ; //! vector of chunk state over the whole file
std::map<std::string,SourceChunksInfo> _peers_chunks_availability ; //! what does each source peer have
uint64_t _total_downloaded ; //! completion for the file
bool _file_is_complete ; //! set to true when the file is complete.
};

View File

@ -320,7 +320,7 @@ 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& file_is_complete)
bool ftFileCreator::getMissingChunk(const std::string& peer_id,uint32_t size_hint,uint64_t &offset, uint32_t& size,bool& source_chunk_map_needed)
{
RsStackMutex stack(ftcMutex); /********** STACK LOCKED MTX ******/
#ifdef FILE_DEBUG
@ -359,7 +359,7 @@ 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,file_is_complete))
if(!chunkMap.getDataChunk(peer_id,size_hint,chunk,source_chunk_map_needed))
return false ;
#ifdef FILE_DEBUG
@ -429,4 +429,10 @@ void ftFileCreator::setSourceMap(const std::string& peer_id,const CompressedChun
chunkMap.setPeerAvailabilityMap(peer_id,compressed_map) ;
}
bool ftFileCreator::finished()
{
RsStackMutex stack(ftcMutex); /********** STACK LOCKED MTX ******/
return chunkMap.isComplete() ;
}

View File

@ -46,7 +46,7 @@ class ftFileCreator: public ftFileProvider
/* overloaded from FileProvider */
virtual bool getFileData(uint64_t offset, uint32_t &chunk_size, void *data);
bool finished() { return getRecvd() == getFileSize(); }
bool finished() ;
uint64_t getRecvd();
void getChunkMap(FileChunksInfo& info) ;
@ -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& file_is_complete);
bool getMissingChunk(const std::string& peer_id,uint32_t size_hint,uint64_t& offset, uint32_t& size,bool& is_chunk_map_too_old);
// Takes care of purging any inactive chunks. This should be called regularly, because some peers may disconnect
// and let inactive chunks not finished.

View File

@ -328,16 +328,12 @@ bool ftTransferModule::getChunk(const std::string& peer_id,uint32_t size_hint,ui
#endif
bool source_peer_map_needed ;
bool file_is_complete = false;
bool val = mFileCreator->getMissingChunk(peer_id,size_hint,offset, chunk_size,source_peer_map_needed,file_is_complete);
bool val = mFileCreator->getMissingChunk(peer_id,size_hint,offset, chunk_size,source_peer_map_needed);
if(source_peer_map_needed)
mMultiplexor->sendChunkMapRequest(peer_id, mHash) ;
if(file_is_complete)
mFlag = 1;
#ifdef FT_DEBUG
if (val)
{
@ -401,6 +397,9 @@ bool ftTransferModule::queryInactive()
{
locked_tickPeerTransfer(mit->second);
}
if(mFileCreator->finished()) // transfer is complete
mFlag = 1;
return true;
}