+++ /dev/null
-// -*- 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) 2004-2006 Sage Weil <sage@newdream.net>
- *
- * 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_MMDSMAP_H
-#define CEPH_MMDSMAP_H
-
-#include "msg/Message.h"
-#include "mds/MDSMap.h"
-#include "include/ceph_features.h"
-
-class MMDSMap : public Message {
- static const int HEAD_VERSION = 1;
- static const int COMPAT_VERSION = 1;
-public:
-
- uuid_d fsid;
- epoch_t epoch;
- bufferlist encoded;
-
- version_t get_epoch() const { return epoch; }
- bufferlist& get_encoded() { return encoded; }
-
- MMDSMap() :
- Message(CEPH_MSG_MDS_MAP, HEAD_VERSION, COMPAT_VERSION) {}
- MMDSMap(const uuid_d &f, MDSMap *mm) :
- Message(CEPH_MSG_MDS_MAP, HEAD_VERSION, COMPAT_VERSION),
- fsid(f) {
- epoch = mm->get_epoch();
- mm->encode(encoded, -1); // we will reencode with fewer features as necessary
- }
-private:
- ~MMDSMap() override {}
-
-public:
- const char *get_type_name() const override { return "mdsmap"; }
- void print(ostream& out) const override {
- out << "mdsmap(e " << epoch << ")";
- }
-
- // marshalling
- void decode_payload() override {
- bufferlist::iterator p = payload.begin();
- ::decode(fsid, p);
- ::decode(epoch, p);
- ::decode(encoded, p);
- }
- void encode_payload(uint64_t features) override {
- ::encode(fsid, payload);
- ::encode(epoch, payload);
- if ((features & CEPH_FEATURE_PGID64) == 0 ||
- (features & CEPH_FEATURE_MDSENC) == 0 ||
- (features & CEPH_FEATURE_MSG_ADDR2) == 0) {
- // reencode for old clients.
- MDSMap m;
- m.decode(encoded);
- encoded.clear();
- m.encode(encoded, features);
- }
- ::encode(encoded, payload);
- }
-};
-
-#endif