+++ /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_MOSDFAILURE_H
-#define CEPH_MOSDFAILURE_H
-
-#include "messages/PaxosServiceMessage.h"
-
-
-class MOSDFailure : public PaxosServiceMessage {
-
- static const int HEAD_VERSION = 3;
- static const int COMPAT_VERSION = 3;
-
- public:
- enum {
- FLAG_ALIVE = 0, // use this on its own to mark as "I'm still alive"
- FLAG_FAILED = 1, // if set, failure; if not, recovery
- FLAG_IMMEDIATE = 2, // known failure, not a timeout
- };
-
- uuid_d fsid;
- entity_inst_t target_osd;
- __u8 flags = 0;
- epoch_t epoch = 0;
- int32_t failed_for = 0; // known to be failed since at least this long
-
- MOSDFailure() : PaxosServiceMessage(MSG_OSD_FAILURE, 0, HEAD_VERSION) { }
- MOSDFailure(const uuid_d &fs, const entity_inst_t& f, int duration, epoch_t e)
- : PaxosServiceMessage(MSG_OSD_FAILURE, e, HEAD_VERSION, COMPAT_VERSION),
- fsid(fs), target_osd(f),
- flags(FLAG_FAILED),
- epoch(e), failed_for(duration) { }
- MOSDFailure(const uuid_d &fs, const entity_inst_t& f, int duration,
- epoch_t e, __u8 extra_flags)
- : PaxosServiceMessage(MSG_OSD_FAILURE, e, HEAD_VERSION, COMPAT_VERSION),
- fsid(fs), target_osd(f),
- flags(extra_flags),
- epoch(e), failed_for(duration) { }
-private:
- ~MOSDFailure() override {}
-
-public:
- entity_inst_t get_target() { return target_osd; }
- bool if_osd_failed() const {
- return flags & FLAG_FAILED;
- }
- bool is_immediate() const {
- return flags & FLAG_IMMEDIATE;
- }
- epoch_t get_epoch() const { return epoch; }
-
- void decode_payload() override {
- bufferlist::iterator p = payload.begin();
- paxos_decode(p);
- ::decode(fsid, p);
- ::decode(target_osd, p);
- ::decode(epoch, p);
- ::decode(flags, p);
- ::decode(failed_for, p);
- }
-
- void encode_payload(uint64_t features) override {
- paxos_encode();
- ::encode(fsid, payload);
- ::encode(target_osd, payload, features);
- ::encode(epoch, payload);
- ::encode(flags, payload);
- ::encode(failed_for, payload);
- }
-
- const char *get_type_name() const override { return "osd_failure"; }
- void print(ostream& out) const override {
- out << "osd_failure("
- << (if_osd_failed() ? "failed " : "recovered ")
- << (is_immediate() ? "immediate " : "timeout ")
- << target_osd << " for " << failed_for << "sec e" << epoch
- << " v" << version << ")";
- }
-};
-
-#endif