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Diffstat (limited to 'src/messages/MMonGetVersionReply.h')
-rw-r--r-- | src/messages/MMonGetVersionReply.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/messages/MMonGetVersionReply.h b/src/messages/MMonGetVersionReply.h new file mode 100644 index 00000000..768ea18c --- /dev/null +++ b/src/messages/MMonGetVersionReply.h @@ -0,0 +1,67 @@ +// -*- 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) 2011 New Dream Network + * + * 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_MMONGETVERSIONREPLY_H +#define CEPH_MMONGETVERSIONREPLY_H + +#include "msg/Message.h" + +#include "include/types.h" + +/* + * This message is sent from the monitors to clients in response to a + * MMonGetVersion. The latest version of the requested thing is sent + * back. + */ +class MMonGetVersionReply : public MessageInstance<MMonGetVersionReply> { +public: + friend factory; +private: + static constexpr int HEAD_VERSION = 2; + +public: + MMonGetVersionReply() : MessageInstance(CEPH_MSG_MON_GET_VERSION_REPLY, HEAD_VERSION) { } + + std::string_view get_type_name() const override { + return "mon_get_version_reply"; + } + + void print(ostream& o) const override { + o << "mon_get_version_reply(handle=" << handle << " version=" << version << ")"; + } + + void encode_payload(uint64_t features) override { + using ceph::encode; + encode(handle, payload); + encode(version, payload); + encode(oldest_version, payload); + } + + void decode_payload() override { + auto p = payload.cbegin(); + decode(handle, p); + decode(version, p); + if (header.version >= 2) + decode(oldest_version, p); + } + + ceph_tid_t handle = 0; + version_t version = 0; + version_t oldest_version = 0; + +private: + ~MMonGetVersionReply() override {} +}; + +#endif |