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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_CRUSH_LOCATION_H
#define CEPH_CRUSH_LOCATION_H
#include <iosfwd>
#include <map>
#include <string>
#if FMT_VERSION >= 90000
#include <fmt/ostream.h>
#endif
#include "common/ceph_mutex.h"
#include "include/common_fwd.h"
namespace ceph::crush {
class CrushLocation {
public:
explicit CrushLocation(CephContext *c) : cct(c) {
init_on_startup();
}
int update_from_conf(); ///< refresh from config
int update_from_hook(); ///< call hook, if present
int init_on_startup();
std::multimap<std::string,std::string> get_location() const;
private:
int _parse(const std::string& s);
CephContext *cct;
std::multimap<std::string,std::string> loc;
mutable ceph::mutex lock = ceph::make_mutex("CrushLocation");
};
std::ostream& operator<<(std::ostream& os, const CrushLocation& loc);
}
#if FMT_VERSION >= 90000
template <> struct fmt::formatter<ceph::crush::CrushLocation> : fmt::ostream_formatter {};
#endif
#endif
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