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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2014 John Spray <john.spray@inktank.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ */
+
+#ifndef CEPH_MGR_H_
+#define CEPH_MGR_H_
+
+// Python.h comes first because otherwise it clobbers ceph's assert
+#include <Python.h>
+
+#include "mds/FSMap.h"
+#include "messages/MFSMap.h"
+#include "msg/Messenger.h"
+#include "auth/Auth.h"
+#include "common/Finisher.h"
+#include "mon/MgrMap.h"
+
+#include "DaemonServer.h"
+#include "PyModuleRegistry.h"
+
+#include "DaemonState.h"
+#include "ClusterState.h"
+
+class MCommand;
+class MMgrDigest;
+class MLog;
+class MServiceMap;
+class Objecter;
+class Client;
+
+class Mgr : public AdminSocketHook {
+protected:
+ MonClient *monc;
+ Objecter *objecter;
+ Client *client;
+ Messenger *client_messenger;
+
+ mutable ceph::mutex lock = ceph::make_mutex("Mgr::lock");
+ Finisher finisher;
+
+ // Track receipt of initial data during startup
+ ceph::condition_variable fs_map_cond;
+ bool digest_received;
+ ceph::condition_variable digest_cond;
+
+ PyModuleRegistry *py_module_registry;
+ DaemonStateIndex daemon_state;
+ ClusterState cluster_state;
+
+ DaemonServer server;
+
+ LogChannelRef clog;
+ LogChannelRef audit_clog;
+
+ std::map<std::string, std::string> pre_init_store;
+
+ void load_all_metadata();
+ std::map<std::string, std::string> load_store();
+ void init();
+
+ bool initialized;
+ bool initializing;
+
+public:
+ Mgr(MonClient *monc_, const MgrMap& mgrmap,
+ PyModuleRegistry *py_module_registry_,
+ Messenger *clientm_, Objecter *objecter_,
+ Client *client_, LogChannelRef clog_, LogChannelRef audit_clog_);
+ ~Mgr();
+
+ bool is_initialized() const {return initialized;}
+ entity_addrvec_t get_server_addrs() const {
+ return server.get_myaddrs();
+ }
+
+ void handle_mgr_digest(ceph::ref_t<MMgrDigest> m);
+ void handle_fs_map(ceph::ref_t<MFSMap> m);
+ void handle_osd_map();
+ void handle_log(ceph::ref_t<MLog> m);
+ void handle_service_map(ceph::ref_t<MServiceMap> m);
+ void handle_mon_map();
+
+ bool got_mgr_map(const MgrMap& m);
+
+ bool ms_dispatch2(const ceph::ref_t<Message>& m);
+
+ void background_init(Context *completion);
+ void shutdown();
+
+ void handle_signal(int signum);
+
+ std::map<std::string, std::string> get_services() const;
+
+ int call(
+ std::string_view command,
+ const cmdmap_t& cmdmap,
+ const bufferlist& inbl,
+ Formatter *f,
+ std::ostream& errss,
+ ceph::buffer::list& out) override;
+};
+
+/**
+ * Context for completion of metadata mon commands: take
+ * the result and stash it in DaemonStateIndex
+ */
+class MetadataUpdate : public Context
+{
+
+private:
+ DaemonStateIndex &daemon_state;
+ DaemonKey key;
+
+ std::map<std::string, std::string> defaults;
+
+public:
+ bufferlist outbl;
+ std::string outs;
+
+ MetadataUpdate(DaemonStateIndex &daemon_state_, const DaemonKey &key_)
+ : daemon_state(daemon_state_), key(key_)
+ {
+ daemon_state.notify_updating(key);
+ }
+
+ void set_default(const std::string &k, const std::string &v)
+ {
+ defaults[k] = v;
+ }
+
+ void finish(int r) override;
+};
+
+
+#endif