diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/messages/MMonSync.h | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/messages/MMonSync.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/messages/MMonSync.h b/src/messages/MMonSync.h new file mode 100644 index 000000000..a9e6184be --- /dev/null +++ b/src/messages/MMonSync.h @@ -0,0 +1,116 @@ +// -*- 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) 2012 Inktank, Inc. +* +* 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_MMONSYNC_H +#define CEPH_MMONSYNC_H + +#include "msg/Message.h" + +class MMonSync : public Message { +private: + static constexpr int HEAD_VERSION = 2; + static constexpr int COMPAT_VERSION = 2; + +public: + /** + * Operation types + */ + enum { + OP_GET_COOKIE_FULL = 1, // -> start a session (full scan) + OP_GET_COOKIE_RECENT = 2, // -> start a session (only recent paxos events) + OP_COOKIE = 3, // <- pass the iterator cookie, or + OP_GET_CHUNK = 4, // -> get some keys + OP_CHUNK = 5, // <- return some keys + OP_LAST_CHUNK = 6, // <- return the last set of keys + OP_NO_COOKIE = 8, // <- sorry, no cookie + }; + + /** + * Obtain a string corresponding to the operation type @p op + * + * @param op Operation type + * @returns A string + */ + static const char *get_opname(int op) { + switch (op) { + case OP_GET_COOKIE_FULL: return "get_cookie_full"; + case OP_GET_COOKIE_RECENT: return "get_cookie_recent"; + case OP_COOKIE: return "cookie"; + case OP_GET_CHUNK: return "get_chunk"; + case OP_CHUNK: return "chunk"; + case OP_LAST_CHUNK: return "last_chunk"; + case OP_NO_COOKIE: return "no_cookie"; + default: ceph_abort_msg("unknown op type"); return NULL; + } + } + + uint32_t op = 0; + uint64_t cookie = 0; + version_t last_committed = 0; + std::pair<std::string,std::string> last_key; + ceph::buffer::list chunk_bl; + entity_inst_t reply_to; + + MMonSync() + : Message{MSG_MON_SYNC, HEAD_VERSION, COMPAT_VERSION} + { } + + MMonSync(uint32_t op, uint64_t c = 0) + : Message{MSG_MON_SYNC, HEAD_VERSION, COMPAT_VERSION}, + op(op), + cookie(c), + last_committed(0) + { } + + std::string_view get_type_name() const override { return "mon_sync"; } + + void print(std::ostream& out) const override { + out << "mon_sync(" << get_opname(op); + if (cookie) + out << " cookie " << cookie; + if (last_committed > 0) + out << " lc " << last_committed; + if (chunk_bl.length()) + out << " bl " << chunk_bl.length() << " bytes"; + if (!last_key.first.empty() || !last_key.second.empty()) + out << " last_key " << last_key.first << "," << last_key.second; + out << ")"; + } + + void encode_payload(uint64_t features) override { + using ceph::encode; + encode(op, payload); + encode(cookie, payload); + encode(last_committed, payload); + encode(last_key.first, payload); + encode(last_key.second, payload); + encode(chunk_bl, payload); + encode(reply_to, payload, features); + } + + void decode_payload() override { + using ceph::decode; + auto p = payload.cbegin(); + decode(op, p); + decode(cookie, p); + decode(last_committed, p); + decode(last_key.first, p); + decode(last_key.second, p); + decode(chunk_bl, p); + decode(reply_to, p); + } +private: + template<class T, typename... Args> + friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); +}; + +#endif /* CEPH_MMONSYNC_H */ |