void
Dispatcher::Did_FetchManager_FileSegmentFetch_Execute(Ccnx::Name deviceName,
Ccnx::Name fileSegmentBaseName,
uint32_t segment, Ccnx::PcoPtr fileSegmentPco)
{
// fileSegmentBaseName: /<device_name>/<appname>/file/<hash>
const Bytes& hashBytes = fileSegmentBaseName.getCompFromBack(0);
Hash hash(head(hashBytes), hashBytes.size());
_LOG_DEBUG("Received segment deviceName: " << deviceName << ", segmentBaseName: " << fileSegmentBaseName
<< ", segment: "
<< segment);
// _LOG_DEBUG ("Looking up objectdb for " << hash);
map<Hash, ObjectDbPtr>::iterator db = m_objectDbMap.find(hash);
if (db != m_objectDbMap.end()) {
db->second->saveContentObject(deviceName, segment, fileSegmentPco->buf());
}
else {
_LOG_ERROR("no db available for this content object: " << fileSegmentBaseName << ", size: "
<< fileSegmentPco->buf().size());
}
// ObjectDb objectDb (m_rootDir / ".chronoshare", lexical_cast<string> (hash));
// objectDb.saveContentObject(deviceName, segment, fileSegmentPco->buf ());
}
void
Dispatcher::Did_FetchManager_FileFetchComplete_Execute(Ccnx::Name deviceName, Ccnx::Name fileBaseName)
{
// fileBaseName: /<device_name>/<appname>/file/<hash>
_LOG_DEBUG("Finished fetching " << deviceName << ", fileBaseName: " << fileBaseName);
const Bytes& hashBytes = fileBaseName.getCompFromBack(0);
Hash hash(head(hashBytes), hashBytes.size());
_LOG_DEBUG("Extracted hash: " << hash.shortHash());
if (m_objectDbMap.find(hash) != m_objectDbMap.end()) {
// remove the db handle
m_objectDbMap.erase(hash); // to commit write
}
else {
_LOG_ERROR("no db available for this file: " << hash);
}
FileItemsPtr filesToAssemble = m_fileState->LookupFilesForHash(hash);
for (FileItems::iterator file = filesToAssemble->begin(); file != filesToAssemble->end(); file++) {
boost::filesystem::path filePath = m_rootDir / file->filename();
try {
if (filesystem::exists(filePath) && filesystem::last_write_time(filePath) == file->mtime() &&
#if BOOST_VERSION >= 104900
filesystem::status(filePath).permissions() == static_cast<filesystem::perms>(file->mode()) &&
#endif
*Hash::FromFileContent(filePath) == hash) {
_LOG_DEBUG("Asking to assemble a file, but file already exists on a filesystem");
continue;
}
}
catch (filesystem::filesystem_error& error) {
_LOG_ERROR("File operations failed on [" << filePath << "] (ignoring)");
}
if (ObjectDb::DoesExist(m_rootDir / ".chronoshare", deviceName,
boost::lexical_cast<string>(hash))) {
bool ok = m_objectManager.objectsToLocalFile(deviceName, hash, filePath);
if (ok) {
last_write_time(filePath, file->mtime());
#if BOOST_VERSION >= 104900
permissions(filePath, static_cast<filesystem::perms>(file->mode()));
#endif
m_fileState->SetFileComplete(file->filename());
}
else {
_LOG_ERROR("Notified about complete fetch, but file cannot be restored from the database: ["
<< filePath
<< "]");
}
}
else {
_LOG_ERROR(filePath << " supposed to have all segments, but not");
// should abort for debugging
}
}
}
