int FuseContext::rmdir (const char *path)
{
namespace fs = boost::filesystem;
Path_t wrapped = m_realRoot / path;
// first we make sure that the parent directory exists
Path_t parent = wrapped.parent_path();
Path_t filename = wrapped.filename();
if( !fs::exists(parent) )
return -ENOENT;
// unlink the directory holding the file contents, the meta file,
// and the staged file
fs::remove_all( wrapped );
try
{
// remove the entry from the parent
m_backend->db().unlink( Path_t(path) );
}
catch( const std::exception& ex )
{
std::cerr << "FuseContext::rmdir: "
<< "\n path: " << path
<< "\n real: " << wrapped
<< "\n err: " << ex.what()
<< "\n";
}
return 0;
}
int FuseContext::getattr (const char *path, struct stat *out)
{
namespace fs = boost::filesystem;
Path_t wrapped = m_realRoot / path;
int result = ::lstat( wrapped.c_str(), out );
// if we failed to stat the underlying file, then check to see if the
// file is unsubscribed
if( result < 0 )
{
if( m_backend->db().isSubscribed( m_relDir / path ) )
return -errno;
else
{
out->st_mode = S_IFREG | S_IRUSR | S_IWUSR;
out->st_nlink = 0;
out->st_uid = getuid();
out->st_gid = getgid();
out->st_size = 0;
out->st_atime = 0;
out->st_mtime = 0;
out->st_ctime = 0;
return 0;
}
}
return result;
}
int FuseContext::mkdir (const char *path, mode_t mode)
{
namespace fs = boost::filesystem;
Path_t wrapped = m_realRoot / path;
// first we make sure that the parent directory exists
Path_t parent = wrapped.parent_path();
Path_t filename = wrapped.filename();
if( !fs::exists(parent) )
return -ENOENT;
try
{
m_backend->db().mknod( Path_t(path) );
}
catch( const std::exception& ex )
{
std::cerr << "FuseContext::mkdir: "
<< "\n path: " << path
<< "\n real: " << wrapped
<< "\n err: " << ex.what()
<< "\n";
return -EINVAL;
}
// create the directory
int result = ::mkdir( wrapped.c_str(), mode );
if( result )
return -errno;
return 0;
}
bool rab::GatherSha1Files( Options const& options, Config const& config, Path_t const& relativePath,
FolderInfo::FileInfos_t const& fileInfos, LogOutput_t& out )
{
int errors = 0;
for( FolderInfo::FileInfos_t::const_iterator i = fileInfos.begin(); i != fileInfos.end(); ++i )
{
FileInfo& fileInfo = **i;
Path_t fullOld = options.pathToOld / relativePath / fileInfo.name;
dung::MemoryBlock oldFile;
if( !dung::ReadWholeFile( fullOld.wstring(), oldFile ) )
{
out << "Can't read file " << FileString( fullOld ) << std::endl;
errors++;
continue;
}
dung::SHA1Compute( oldFile.pBlock, oldFile.size, fileInfo.oldSha1 );
fileInfo.oldSize = oldFile.size;
}
return errors == 0;
}
int FuseContext::getxattr (const char *path,
const char *key,
char *value,
size_t bufsize)
{
std::string attr(key);
if( attr == "obfs:checkout" )
{
std::stringstream report;
report << "FuseContext::getxattr : intercepted checkout hook for"
<< path <<"\n";
std::cout << report.str();
m_backend->checkout( m_relDir / path );
return 0;
}
else if( attr == "obfs:release" )
{
std::stringstream report;
report << "FuseContext::getxattr : intercepted release hook for"
<< path <<"\n";
std::cout << report.str();
m_backend->release( m_relDir / path );
return 0;
}
else
{
Path_t wrapped = m_realRoot / path;
int result = ::getxattr( wrapped.c_str(), key, value, bufsize );
if( result < 0 )
return -errno;
return result;
}
}
_tstring rab::FileString( Path_t const& p )
{
#ifdef SCARAB_WCHAR_MODE
return p.wstring();
#else
return p.string();
#endif
}
_tstring rab::GenericString( Path_t const& p )
{
#ifdef SCARAB_WCHAR_MODE
return p.generic_wstring();
#else
return p.generic_string();
#endif
}
int FuseContext::statfs (const char *path, struct statvfs *buf)
{
Path_t wrapped = m_realRoot / path;
int result = ::statvfs( wrapped.c_str(), buf );
if( result < 0 )
return -errno;
return result;
}
int FuseContext::listxattr (const char *path, char *buf, size_t bufsize)
{
Path_t wrapped = m_realRoot / path;
int result = ::listxattr( wrapped.c_str(), buf, bufsize );
if( result < 0 )
return -errno;
return result;
}
int FuseContext::removexattr (const char *path, const char *key)
{
Path_t wrapped = m_realRoot / path;
int result = ::removexattr( wrapped.c_str(), key );
if( result < 0 )
return -errno;
return result;
}
int FuseContext::access (const char *path, int mode)
{
Path_t wrapped = m_realRoot / path;
int result = ::access( wrapped.c_str(), mode );
if( result < 0 )
return -errno;
return result;
}
int FuseContext::link (const char *oldpath, const char *newpath)
{
Path_t oldwrap = m_realRoot / oldpath;
Path_t newwrap = m_realRoot / newpath;
int result = ::link( oldwrap.c_str(), newwrap.c_str() );
if( result < 0 )
return -errno;
return result;
}
int FuseContext::chown (const char *path, uid_t owner, gid_t group)
{
namespace fs = boost::filesystem;
Path_t wrapped = (m_realRoot / path);
int result = ::chown( wrapped.c_str(), owner, group);
if( result < 0 )
return -errno;
return result;
}
int FuseContext::write (const char *path,
const char *buf,
size_t bufsize,
off_t offset,
struct fuse_file_info *fi)
{
namespace fs = boost::filesystem;
Path_t wrapped = (m_realRoot / path);
// if fi has a file handle then we simply read from the file handle
if( fi->fh )
{
RefPtr<FileContext> file = m_openedFiles[fi->fh];
if(file)
{
int result = ::pwrite(file->fd(),buf,bufsize,offset);
if( result < 0 )
return -errno;
else
{
file->mark();
return result;
}
}
else
return -EBADF;
}
else
{
// otherwise open the file
int result = ::open( wrapped.c_str(), O_WRONLY );
if( result < 0 )
return -errno;
// get the file handle
int fh = result;
// perform the write
result = ::pwrite(fh,buf,bufsize,offset);
// close the file
::close(fh);
// check for error
if( result < 0 )
return -errno;
// increment the version
m_backend->db().incrementVersion( Path_t(path) );
return result;
}
}
int FuseContext::chmod (const char *path, mode_t mode)
{
namespace fs = boost::filesystem;
Path_t wrapped = m_realRoot / path;
// if it's not a directory
int result = ::chmod( wrapped.c_str(), mode );
if( result < 0 )
return -errno;
return result;
}
int FuseContext::truncate (const char *path, off_t length)
{
namespace fs = boost::filesystem;
Path_t wrapped = (m_realRoot / path).string();
int result = ::truncate( wrapped.c_str(), length );
if( result < 0 )
return -errno;
// update metadata
m_backend->db().incrementVersion( Path_t(path) );
return result;
}
int FuseContext::setxattr (const char *path,
const char *key,
const char *value,
size_t bufsize,
int flags)
{
Path_t wrapped = m_realRoot / path;
int result = ::setxattr( wrapped.c_str(), key, value, bufsize, flags );
if( result < 0 )
return -errno;
return result;
}
int FuseContext::open (const char *path, struct fuse_file_info *fi)
{
namespace fs = boost::filesystem;
Path_t wrapped = m_realRoot / path;
// first we make sure that the file exists
Path_t parent = wrapped.parent_path();
Path_t filename = wrapped.filename();
if( !fs::exists(parent) )
return -ENOENT;
// make sure that the file exists, if it doesn't exist check for the
// O_CREAT flag
if( !fs::exists(wrapped) )
{
if( fi->flags | O_CREAT )
return this->create(path,0777,fi);
else
return -EEXIST;
}
// open the file
int result = ::open( wrapped.c_str(), fi->flags );
if( result < 0 )
return -errno;
// create a file descriptor for the opened file
int os_fd = result;
int my_fd = -1;
try
{
my_fd = m_openedFiles.registerFile( Path_t(path) ,os_fd);
result = 0;
}
catch( const std::exception& ex )
{
my_fd = -1;
result = -ENOMEM;
::close(os_fd);
std::cerr << "FuseContext::open"
<< "\n path: " << path
<< "\n real: " << wrapped
<< "\n err: " << ex.what();
}
fi->fh = my_fd;
return result;
}
int FuseContext::read (const char *path,
char *buf,
size_t bufsize,
off_t offset,
struct fuse_file_info *fi)
{
namespace fs = boost::filesystem;
Path_t wrapped = (m_realRoot / path);
// if fi has a file handle then we simply read from the file handle
if( fi->fh )
{
RefPtr<FileContext> file = m_openedFiles[fi->fh];
if(file)
{
int result = ::pread(file->fd(),buf,bufsize,offset);
if( result < 0 )
return -errno;
else
return result;
}
else
return -EBADF;
}
// otherwise we open the file and perform the read
else
{
// open the local version of the file
int result = ::open( wrapped.c_str(), O_RDONLY );
if( result < 0 )
return -errno;
// get the file andle
int fh = result;
// perform the read
result = ::pread(fh,buf,bufsize,offset);
// close the file
::close(fh);
if( result < 0 )
return -errno;
else
return result;
}
}
int FuseContext::create (const char *path,
mode_t mode,
struct fuse_file_info *fi)
{
namespace fs = boost::filesystem;
Path_t wrapped = (m_realRoot / path);
// first we make sure that the parent directory exists
Path_t parent = wrapped.parent_path();
Path_t filename = wrapped.filename();
if( !fs::exists(parent) || !fs::is_directory(parent) )
return -ENOENT;
// create the local version of the file
int result = ::creat( wrapped.c_str(), mode );
if( result < 0 )
return -errno;
// create a file descriptor for the opened file
int os_fd = result;
int my_fd = -1;
try
{
// add an entry to the directory listing
m_backend->db().mknod( Path_t(path) );
my_fd = m_openedFiles.registerFile( Path_t(path) ,os_fd);
result = 0;
}
catch( const std::exception& ex )
{
my_fd = -1;
result = -EIO;
::close(os_fd);
std::cerr << "FuseContext::create: "
<< "\n path: " << path
<< "\n real: " << wrapped
<< "\n mode: " << std::hex << mode << std::dec
<< "\n";
}
fi->fh = my_fd;
return result;
}
MetaFile::MetaFile( const Path_t& path )
{
namespace fs = boost::filesystem;
Path_t metapath;
if( fs::is_directory(path) )
{
metapath = path / "obfs.sqlite";
m_subpath = ".";
}
else
{
metapath = path.parent_path() / "obfs.sqlite";
m_subpath = path.filename().string();
}
m_sql.open( soci::sqlite3, metapath.string() );
}
int FuseContext::utimens (const char *path, const struct timespec tv[2])
{
Path_t wrapped = m_realRoot / path;
timeval times[2];
for(int i=0; i < 2; i++)
{
times[i].tv_sec = tv[i].tv_sec;
times[i].tv_usec= tv[i].tv_nsec / 1000;
}
int result = ::utimes( wrapped.c_str(), times );
if( result < 0 )
return -errno;
return result;
}
bool rab::BuildDiffFile( Options const& options, Config const& config, DiffEncoders const& diffEncoders,
Path_t const& relativePath, PackageOutput_t& package, LogOutput_t& out, FileInfo& fileInfo )
{
Path_t fullNew = options.pathToNew / relativePath / fileInfo.name;
Path_t fullOld = options.pathToOld / relativePath / fileInfo.name;
Path_t relativeTemp = relativePath / DiffFileName(fileInfo.name, config);
dung::MemoryBlock oldFile;
if( !ReadWholeFile( fullOld.wstring(), oldFile ) )
{
out << "Can't read file " << FileString(fullOld) << std::endl;
return false;
}
dung::SHA1Compute( oldFile.pBlock, oldFile.size, fileInfo.oldSha1 );
fileInfo.oldSize = oldFile.size;
if( MatchName( config.oldSkipChanged_regex, fileInfo.name ) )
return true;
dung::MemoryBlock newFile;
if( !ReadWholeFile( fullNew.wstring(), newFile ) )
{
out << "Can't read file " << FileString(fullNew) << std::endl;
return false;
}
dung::SHA1Compute( newFile.pBlock, newFile.size, fileInfo.newSha1 );
fileInfo.newSize = newFile.size;
bool result = true;
if( fileInfo.newSha1 != fileInfo.oldSha1 )
{
fileInfo.isDifferent = true;
result &= CreateDiffFile( options, diffEncoders, fileInfo, fullNew, fullOld, relativeTemp, newFile, oldFile, package, out );
}
else
fileInfo.isDifferent = false;
return result;
}
int FuseContext::mknod (const char *path, mode_t mode, dev_t dev)
{
namespace fs = boost::filesystem;
Path_t wrapped = (m_realRoot / path);
// we do not allow special files
if( mode & ( S_IFCHR | S_IFBLK ) )
return -EINVAL;
// first we make sure that the parent directory exists
Path_t parent = wrapped.parent_path();
Path_t filename = wrapped.filename();
if( !fs::exists(parent) || !fs::is_directory(parent) )
return -ENOENT;
// create the local version of the file
int result = ::mknod( wrapped.c_str(), mode, 0 );
if( result )
return -errno;
// add an entry to the directory listing
try
{
mode_t modeMask = 0777;
mode_t typeMask = ~modeMask;
m_backend->db().mknod( Path_t(path) );
}
catch( const std::exception& ex )
{
std::cerr << "FuseContext::mknod: "
<< "\n path: " << path
<< "\n real: " << wrapped
<< "\n err: " << ex.what()
<< "\n";
}
return 0;
}
int FuseContext::rename (const char *oldpath, const char *newpath)
{
namespace fs = boost::filesystem;
Path_t oldwrap = m_realRoot / oldpath;
Path_t newwrap = m_realRoot / newpath;
// if the move overwrites a file then copy data, increment version, and
// unlink the old file
if( fs::exists( newwrap ) )
{
// perform the move
int result = ::rename( oldwrap.c_str(), newwrap.c_str() );
if( result < 0 )
return -errno;
m_backend->db().incrementVersion( Path_t(newpath) );
m_backend->db().unlink( Path_t(oldpath) );
return result;
}
else
{
int result = ::rename( oldwrap.c_str(), newwrap.c_str() );
if( result < 0 )
return -errno;
m_backend->db().mknod( Path_t(newpath) );
m_backend->db().unlink( Path_t(oldpath) );
return result;
}
}
void IterativeExtensions<span, Node, Edge, GraphDataVariant>::buildSequence (
const Node& node,
const Path_t<Node>& consensusRight,
size_t nbNodes,
size_t depth,
Sequence& seq
)
{
/** Shortcuts. */
Data& data = seq.getData();
size_t lenRight = consensusRight.size();
/** We compute the total size of the sequence. */
size_t fullLength = graph.getKmerSize() + consensusRight.size();
/* we need this in mapsembler: the first used kmer should be a k-1 mer. Indeed, if a first kmer is extracted from a sequence :
* -------------****** (k=6), then this node is the one linked to a new one starting with ******,
* thus with an overlap of k and not k-1.
*/
size_t offset = (depth == 0 && dont_output_first_nucleotide) ? 1 : 0;
/** We compute the total size of the sequence. */
size_t length = fullLength - offset;
/** We set the comment of the sequence. */
seq.setComment (Stringify::format ("%lli__len__%i__depth__%i", nbNodes, fullLength, depth) );
/** We set the data length. */
seq.getData().resize (length);
size_t idx=0;
size_t i = offset;
/** We dump the starting node. */
string nodeStr = graph.toString (node);
for ( ; i<nodeStr.size(); i++) { data[idx++] = nodeStr[i]; }
/** We dump the right part. */
for (i=0; i<lenRight; i++) { data[idx++] = ascii (consensusRight[i]); }
}
bool rab::CreateDiffFile( Options const& options, DiffEncoders const &diffEncoders, FileInfo& fileInfo,
Path_t const& fullNew, Path_t const& fullOld, Path_t const& relativeTemp,
dung::MemoryBlock const& newFile, dung::MemoryBlock const& oldFile, PackageOutput_t &package, LogOutput_t& out )
{
Path_t fullTemp = relativeTemp.filename();
if( options.produceTemp )
{
fullTemp = options.pathToTemp / relativeTemp;
fs::create_directories( fullTemp.parent_path() );
}
dung::DiffEncoder_i* pEncoder = diffEncoders.FindEncoder( fileInfo.name, fileInfo.diffMethod );
if( pEncoder != NULL )
{
out << "Encoding " << fileInfo.diffMethod << " diff file " << GenericString( relativeTemp ) << std::endl;
dung::MemoryBlock deltaFile;
if( !pEncoder->EncodeDiffMemoryBlock( newFile.pBlock, newFile.size, oldFile.pBlock, oldFile.size, deltaFile.pBlock, deltaFile.size ) )
{
_tstring errorMessage;
pEncoder->GetErrorMessage( errorMessage );
out << "Encoding error: " << errorMessage << std::endl;
return false;
}
if( options.produceTemp )
{
if( !WriteWholeFile( fullTemp.wstring(), deltaFile ) )
{
out << "Can't write file " << GenericString( fullTemp ) << std::endl;
return false;
}
}
if( !package.WriteFile( GenericString( relativeTemp ), deltaFile.pBlock, deltaFile.size ) )
{
out << "Can't write file " << GenericString( relativeTemp ) << " to package. Size=" << deltaFile.size << std::endl;
return false;
}
}
else
{
dung::DiffEncoderExternal_i* pExternalEncoder = diffEncoders.FindExternalEncoder( fileInfo.name, fileInfo.diffMethod );
if( pExternalEncoder != NULL )
{
out << "Encoding " << fileInfo.diffMethod << " diff file " << GenericString( relativeTemp ) << std::endl;
if( !pExternalEncoder->EncodeDiffFile( GenericString(fullNew).c_str(), GenericString(fullOld).c_str(), GenericString(fullTemp).c_str() ) )
{
_tstring errorMessage;
pExternalEncoder->GetErrorMessage( errorMessage );
out << "Encoding error: " << errorMessage << std::endl;
return false;
}
dung::MemoryBlock deltaFile;
if( !ReadWholeFile( fullTemp.generic_string(), deltaFile ) )
{
out << "Can't read file " << GenericString(fullTemp) << std::endl;
return false;
}
if( !options.produceTemp )
fs::remove( fullTemp );
if( !package.WriteFile( GenericString(relativeTemp), deltaFile.pBlock, deltaFile.size ) )
{
out << "Can't write file " << GenericString(relativeTemp) << " to package. Size=" << deltaFile.size << std::endl;
return false;
}
}
else
{
out << "Can't file encoder for file " << fileInfo.name << std::endl;
return false;
}
}
return true;
}
