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Diffstat (limited to 'src/messages/MOSDPGNotify.h')
-rw-r--r-- | src/messages/MOSDPGNotify.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/messages/MOSDPGNotify.h b/src/messages/MOSDPGNotify.h new file mode 100644 index 000000000..c7aef014a --- /dev/null +++ b/src/messages/MOSDPGNotify.h @@ -0,0 +1,91 @@ +// -*- 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_MOSDPGPEERNOTIFY_H +#define CEPH_MOSDPGPEERNOTIFY_H + +#include "msg/Message.h" + +#include "osd/osd_types.h" + +/* + * PGNotify - notify primary of my PGs and versions. + */ + +class MOSDPGNotify final : public Message { +private: + static constexpr int HEAD_VERSION = 7; + static constexpr int COMPAT_VERSION = 7; + + epoch_t epoch = 0; + /// query_epoch is the epoch of the query being responded to, or + /// the current epoch if this is not being sent in response to a + /// query. This allows the recipient to disregard responses to old + /// queries. + using pg_list_t = std::vector<pg_notify_t>; + pg_list_t pg_list; + + public: + version_t get_epoch() const { return epoch; } + const pg_list_t& get_pg_list() const { + return pg_list; + } + + MOSDPGNotify() + : MOSDPGNotify(0, {}) + {} + MOSDPGNotify(epoch_t e, pg_list_t&& l) + : Message{MSG_OSD_PG_NOTIFY, HEAD_VERSION, COMPAT_VERSION}, + epoch(e), + pg_list(std::move(l)) { + set_priority(CEPH_MSG_PRIO_HIGH); + } +private: + ~MOSDPGNotify() final {} + +public: + std::string_view get_type_name() const override { return "PGnot"; } + + void encode_payload(uint64_t features) override { + using ceph::encode; + header.version = HEAD_VERSION; + encode(epoch, payload); + assert(HAVE_FEATURE(features, SERVER_OCTOPUS)); + encode(pg_list, payload); + } + + void decode_payload() override { + auto p = payload.cbegin(); + using ceph::decode; + decode(epoch, p); + decode(pg_list, p); + } + void print(std::ostream& out) const override { + out << "pg_notify("; + for (auto i = pg_list.begin(); + i != pg_list.end(); + ++i) { + if (i != pg_list.begin()) + out << " "; + out << *i; + } + out << " epoch " << epoch + << ")"; + } +private: + template<class T, typename... Args> + friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); +}; + +#endif |