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Diffstat (limited to 'src/messages/MMonProbe.h')
| -rw-r--r-- | src/messages/MMonProbe.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/messages/MMonProbe.h b/src/messages/MMonProbe.h new file mode 100644 index 000000000..ae5fc3028 --- /dev/null +++ b/src/messages/MMonProbe.h @@ -0,0 +1,153 @@ +// -*- 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_MMONPROBE_H +#define CEPH_MMONPROBE_H + +#include "include/ceph_features.h" +#include "common/ceph_releases.h" +#include "msg/Message.h" +#include "mon/MonMap.h" + +class MMonProbe final : public Message { +public: + static constexpr int HEAD_VERSION = 8; + static constexpr int COMPAT_VERSION = 5; + + enum { + OP_PROBE = 1, + OP_REPLY = 2, + OP_SLURP = 3, + OP_SLURP_LATEST = 4, + OP_DATA = 5, + OP_MISSING_FEATURES = 6, + }; + + static const char *get_opname(int o) { + switch (o) { + case OP_PROBE: return "probe"; + case OP_REPLY: return "reply"; + case OP_SLURP: return "slurp"; + case OP_SLURP_LATEST: return "slurp_latest"; + case OP_DATA: return "data"; + case OP_MISSING_FEATURES: return "missing_features"; + default: ceph_abort(); return 0; + } + } + + uuid_d fsid; + int32_t op = 0; + std::string name; + std::set<int32_t> quorum; + int leader = -1; + ceph::buffer::list monmap_bl; + version_t paxos_first_version = 0; + version_t paxos_last_version = 0; + bool has_ever_joined = 0; + uint64_t required_features = 0; + ceph_release_t mon_release{ceph_release_t::unknown}; + + MMonProbe() + : Message{MSG_MON_PROBE, HEAD_VERSION, COMPAT_VERSION} {} + MMonProbe(const uuid_d& f, int o, const std::string& n, bool hej, ceph_release_t mr) + : Message{MSG_MON_PROBE, HEAD_VERSION, COMPAT_VERSION}, + fsid(f), + op(o), + name(n), + paxos_first_version(0), + paxos_last_version(0), + has_ever_joined(hej), + required_features(0), + mon_release{mr} {} +private: + ~MMonProbe() final {} + +public: + std::string_view get_type_name() const override { return "mon_probe"; } + void print(std::ostream& out) const override { + out << "mon_probe(" << get_opname(op) << " " << fsid << " name " << name; + if (quorum.size()) + out << " quorum " << quorum; + out << " leader " << leader; + if (op == OP_REPLY) { + out << " paxos(" + << " fc " << paxos_first_version + << " lc " << paxos_last_version + << " )"; + } + if (!has_ever_joined) + out << " new"; + if (required_features) + out << " required_features " << required_features; + if (mon_release != ceph_release_t::unknown) + out << " mon_release " << mon_release; + out << ")"; + } + + void encode_payload(uint64_t features) override { + using ceph::encode; + if (monmap_bl.length() && + ((features & CEPH_FEATURE_MONENC) == 0 || + (features & CEPH_FEATURE_MSG_ADDR2) == 0)) { + // 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(name, payload); + encode(quorum, payload); + encode(monmap_bl, payload); + encode(has_ever_joined, payload); + encode(paxos_first_version, payload); + encode(paxos_last_version, payload); + encode(required_features, payload); + encode(mon_release, payload); + encode(leader, payload); + } + void decode_payload() override { + using ceph::decode; + auto p = payload.cbegin(); + decode(fsid, p); + decode(op, p); + decode(name, p); + decode(quorum, p); + decode(monmap_bl, p); + decode(has_ever_joined, p); + decode(paxos_first_version, p); + decode(paxos_last_version, p); + if (header.version >= 6) + decode(required_features, p); + else + required_features = 0; + if (header.version >= 7) + decode(mon_release, p); + else + mon_release = ceph_release_t::unknown; + if (header.version >= 8) { + decode(leader, p); + } else if (quorum.size()) { + leader = *quorum.begin(); + } + } +private: + template<class T, typename... Args> + friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); +}; + +#endif |