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finished implementing hash-based transactions. To be tested.

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This commit is contained in:
mr-alice 2016-09-08 21:34:53 +02:00
parent eaa8ad883a
commit fafe684cc4
3 changed files with 110 additions and 42 deletions
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46
libretroshare/src/file_sharing/directory_storage.cc
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@ -466,7 +466,7 @@ bool LocalDirectoryStorage::serialiseDirEntry(const EntryIndex& indx,RsTlvBinary
}
// compute list of allowed subdirs
std::vector<EntryIndex> allowed_subdirs ;
std::vector<RsFileHash> allowed_subdirs ;
FileStorageFlags node_flags ;
std::list<RsNodeGroupId> node_groups ;
@ -474,7 +474,16 @@ bool LocalDirectoryStorage::serialiseDirEntry(const EntryIndex& indx,RsTlvBinary
for(uint32_t i=0;i<dir->subdirs.size();++i)
if(indx != 0 || (locked_getFileSharingPermissions(dir->subdirs[i],node_flags,node_groups) && (rsPeers->computePeerPermissionFlags(client_id,node_flags,node_groups) & RS_FILE_HINTS_BROWSABLE)))
allowed_subdirs.push_back(dir->subdirs[i]) ;
{
RsFileHash hash ;
if(!getHashFromIndex(dir->subdirs[i],hash))
{
std::cerr << "(EE) cannot get hash from index for subdir " << dir->subdirs[i] << " at position " << i << " in subdirs list. Weird." << std::endl;
continue ;
}
allowed_subdirs.push_back(hash) ;
}
unsigned char *section_data = NULL;
uint32_t section_size = 0;
@ -498,7 +507,7 @@ bool LocalDirectoryStorage::serialiseDirEntry(const EntryIndex& indx,RsTlvBinary
// serialise subdirs entry indexes
for(uint32_t i=0;i<allowed_subdirs.size();++i)
if(!FileListIO::writeField(section_data,section_size,section_offset,FILE_LIST_IO_TAG_ENTRY_INDEX ,(uint32_t)allowed_subdirs[i] )) return false ;
if(!FileListIO::writeField(section_data,section_size,section_offset,FILE_LIST_IO_TAG_ENTRY_INDEX ,allowed_subdirs[i] )) return false ;
// serialise directory subfiles, with info for each of them
@ -516,7 +525,6 @@ bool LocalDirectoryStorage::serialiseDirEntry(const EntryIndex& indx,RsTlvBinary
continue ;
}
if(!FileListIO::writeField(file_section_data,file_section_size,file_section_offset,FILE_LIST_IO_TAG_ENTRY_INDEX ,(uint32_t)dir->subfiles[i] )) return false ;
if(!FileListIO::writeField(file_section_data,file_section_size,file_section_offset,FILE_LIST_IO_TAG_FILE_NAME ,file->file_name )) return false ;
if(!FileListIO::writeField(file_section_data,file_section_size,file_section_offset,FILE_LIST_IO_TAG_FILE_SIZE ,file->file_size )) return false ;
if(!FileListIO::writeField(file_section_data,file_section_size,file_section_offset,FILE_LIST_IO_TAG_FILE_SHA1_HASH,file->file_hash )) return false ;
@ -594,14 +602,14 @@ bool RemoteDirectoryStorage::deserialiseUpdateDirEntry(const EntryIndex& indx,co
// serialise subdirs entry indexes
std::vector<EntryIndex> subdirs_array ;
uint32_t subdir_index ;
std::vector<RsFileHash> subdirs_hashes ;
RsFileHash subdir_hash ;
for(uint32_t i=0;i<n_subdirs;++i)
{
if(!FileListIO::readField(section_data,section_size,section_offset,FILE_LIST_IO_TAG_ENTRY_INDEX ,subdir_index)) return false ;
if(!FileListIO::readField(section_data,section_size,section_offset,FILE_LIST_IO_TAG_ENTRY_INDEX ,subdir_hash)) return false ;
subdirs_array.push_back(EntryIndex(subdir_index)) ;
subdirs_hashes.push_back(subdir_hash) ;
}
// deserialise directory subfiles, with info for each of them
@ -622,13 +630,11 @@ bool RemoteDirectoryStorage::deserialiseUpdateDirEntry(const EntryIndex& indx,co
uint32_t file_section_offset = 0 ;
uint32_t entry_index ;
std::string entry_name ;
uint64_t entry_size ;
RsFileHash entry_hash ;
uint32_t entry_modtime ;
if(!FileListIO::readField(file_section_data,file_section_size,file_section_offset,FILE_LIST_IO_TAG_ENTRY_INDEX ,entry_index )) return false ;
if(!FileListIO::readField(file_section_data,file_section_size,file_section_offset,FILE_LIST_IO_TAG_FILE_NAME ,entry_name )) return false ;
if(!FileListIO::readField(file_section_data,file_section_size,file_section_offset,FILE_LIST_IO_TAG_FILE_SIZE ,entry_size )) return false ;
if(!FileListIO::readField(file_section_data,file_section_size,file_section_offset,FILE_LIST_IO_TAG_FILE_SHA1_HASH,entry_hash )) return false ;
@ -636,7 +642,6 @@ bool RemoteDirectoryStorage::deserialiseUpdateDirEntry(const EntryIndex& indx,co
free(file_section_data) ;
subfiles_array.push_back(entry_index) ;
subfiles_name.push_back(entry_name) ;
subfiles_size.push_back(entry_size) ;
subfiles_hash.push_back(entry_hash) ;
@ -647,20 +652,27 @@ bool RemoteDirectoryStorage::deserialiseUpdateDirEntry(const EntryIndex& indx,co
std::cerr << " updating dir entry..." << std::endl;
// first create the entries for each subdir and each subfile.
if(!mFileHierarchy->updateDirEntry(indx,dir_name,most_recent_time,dir_modtime,subdirs_array,subfiles_array))
// First create the entries for each subdir and each subfile, if needed.
if(!mFileHierarchy->updateDirEntry(indx,dir_name,most_recent_time,dir_modtime,subdirs_hashes,subfiles_hash))
{
std::cerr << "(EE) Cannot update dir entry with index " << indx << ": entry does not exist." << std::endl;
return false ;
}
// then update the subfiles
for(uint32_t i=0;i<subfiles_array.size();++i)
// Then update the subfiles
for(uint32_t i=0;i<subfiles_hash.size();++i)
{
DirectoryStorage::EntryIndex file_index ;
if(!getIndexFromHash(subfiles_hash[i],file_index))
{
std::cerr << "(EE) Cannot optain file entry index for hash " << subfiles_hash[i] << ". This is very unexpected." << std::endl;
continue;
}
std::cerr << " updating file entry " << subfiles_hash[i] << std::endl;
if(!mFileHierarchy->updateFile(subfiles_array[i],subfiles_hash[i],subfiles_name[i],subfiles_size[i],subfiles_modtime[i]))
std::cerr << "(EE) Cannot update file with index " << subfiles_array[i] << ". This is very weird. Entry should have just been created and therefore should exist. Skipping." << std::endl;
if(!mFileHierarchy->updateFile(file_index,subfiles_hash[i],subfiles_name[i],subfiles_size[i],subfiles_modtime[i]))
std::cerr << "(EE) Cannot update file with index " << file_index <<" and hash " << subfiles_hash[i] << ". This is very weird. Entry should have just been created and therefore should exist. Skipping." << std::endl;
}
mChanged = true ;