+++ /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_MMONELECTION_H
-#define CEPH_MMONELECTION_H
-
-#include "msg/Message.h"
-#include "mon/MonMap.h"
-#include "mon/mon_types.h"
-
-class MMonElection : public Message {
-
- static const int HEAD_VERSION = 7;
- static const int COMPAT_VERSION = 5;
-
-public:
- static const int OP_PROPOSE = 1;
- static const int OP_ACK = 2;
- static const int OP_NAK = 3;
- static const int OP_VICTORY = 4;
- static const char *get_opname(int o) {
- switch (o) {
- case OP_PROPOSE: return "propose";
- case OP_ACK: return "ack";
- case OP_NAK: return "nak";
- case OP_VICTORY: return "victory";
- default: ceph_abort(); return 0;
- }
- }
-
- uuid_d fsid;
- int32_t op;
- epoch_t epoch;
- bufferlist monmap_bl;
- set<int32_t> quorum;
- uint64_t quorum_features;
- mon_feature_t mon_features;
- bufferlist sharing_bl;
- map<string,string> metadata;
-
- MMonElection() : Message(MSG_MON_ELECTION, HEAD_VERSION, COMPAT_VERSION),
- op(0), epoch(0),
- quorum_features(0),
- mon_features(0)
- { }
-
- MMonElection(int o, epoch_t e, MonMap *m)
- : Message(MSG_MON_ELECTION, HEAD_VERSION, COMPAT_VERSION),
- fsid(m->fsid), op(o), epoch(e),
- quorum_features(0),
- mon_features(0)
- {
- // encode using full feature set; we will reencode for dest later,
- // if necessary
- m->encode(monmap_bl, CEPH_FEATURES_ALL);
- }
-private:
- ~MMonElection() override {}
-
-public:
- const char *get_type_name() const override { return "election"; }
- void print(ostream& out) const override {
- out << "election(" << fsid << " " << get_opname(op) << " " << epoch << ")";
- }
-
- void encode_payload(uint64_t features) override {
- if (monmap_bl.length() && (features != CEPH_FEATURES_ALL)) {
- // reencode old-format monmap
- MonMap t;
- t.decode(monmap_bl);
- monmap_bl.clear();
- t.encode(monmap_bl, features);
- }
-
- ::encode(fsid, payload);
- ::encode(op, payload);
- ::encode(epoch, payload);
- ::encode(monmap_bl, payload);
- ::encode(quorum, payload);
- ::encode(quorum_features, payload);
- ::encode((version_t)0, payload); // defunct
- ::encode((version_t)0, payload); // defunct
- ::encode(sharing_bl, payload);
- ::encode(mon_features, payload);
- ::encode(metadata, payload);
- }
- void decode_payload() override {
- bufferlist::iterator p = payload.begin();
- ::decode(fsid, p);
- ::decode(op, p);
- ::decode(epoch, p);
- ::decode(monmap_bl, p);
- ::decode(quorum, p);
- ::decode(quorum_features, p);
- {
- version_t v; // defunct fields from old encoding
- ::decode(v, p);
- ::decode(v, p);
- }
- ::decode(sharing_bl, p);
- if (header.version >= 6)
- ::decode(mon_features, p);
- if (header.version >= 7)
- ::decode(metadata, p);
- }
-
-};
-
-#endif