void
MessageStorePlugin::providerAvailable(const std::string name,
StorageProvider *be)
{
ProviderMap::value_type newSp(name, be);
std::pair<ProviderMap::iterator, bool> inserted = providers.insert(newSp);
if (inserted.second == false)
QPID_LOG(warning, "Storage provider " << name << " duplicate; ignored.");
}
int FilesystemManager::renameHelper(string& oldPath, string& newPath)
{
//Do everything while keeping the mutex locked to prevent someone to
//concurrently mount a filesystem on the directory we're renaming
Lock<FastMutex> l(mutex);
ResolvedPath oldOpenData=resolvePath(oldPath,true);
if(oldOpenData.result<0) return oldOpenData.result;
ResolvedPath newOpenData=resolvePath(newPath,true);
if(newOpenData.result<0) return newOpenData.result;
if(oldOpenData.fs!=newOpenData.fs) return -EXDEV; //Can't rename across fs
//After resolvePath() so path is in canonical form and symlinks are followed
if(filesystems.find(StringPart(oldPath))!=filesystems.end()) return -EBUSY;
if(filesystems.find(StringPart(newPath))!=filesystems.end()) return -EBUSY;
StringPart oldSp(oldPath,string::npos,oldOpenData.off);
StringPart newSp(newPath,string::npos,newOpenData.off);
//Can't rename a directory into a subdirectory of itself
if(newSp.startsWith(oldSp)) return -EINVAL;
return oldOpenData.fs->rename(oldSp,newSp);
}
A* release(std::shared_ptr<A> sp)
{
std::shared_ptr<A> newSp(nullptr, Deleter());
sp.swap(newSp);
return newSp.get();
}
