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#ifndef ROLE_SELECTOR_H_
#define ROLE_SELECTOR_H_
#include <string>
#include <vector>
#include "mds/mdstypes.h"
#include "mds/FSMap.h"
/**
* When you want to let the user act on a single rank in a namespace,
* or all of them.
*/
class MDSRoleSelector
{
public:
const std::vector<mds_role_t> &get_roles() const {return roles;}
int parse(const FSMap &fsmap, std::string const &str,
bool allow_unqualified_rank=true);
MDSRoleSelector()
: fscid(FS_CLUSTER_ID_NONE)
{}
fs_cluster_id_t get_ns() const
{
return fscid;
}
protected:
int parse_rank(
const FSMap &fsmap,
std::string const &str);
std::vector<mds_role_t> roles;
fs_cluster_id_t fscid;
};
#endif // ROLE_SELECTOR_H_
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