--- /dev/null
+// -*- 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 <map>
+#include <mutex>
+#include <string>
+
+class CephContext;
+
+class CrushLocation {
+ CephContext *cct;
+ std::multimap<std::string,std::string> loc;
+ std::mutex lock;
+
+ int _parse(const std::string& s);
+
+public:
+ 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() {
+ std::lock_guard<std::mutex> l(lock);
+ return loc;
+ }
+};
+
+#endif