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Diffstat (limited to 'src/messages/MStatfs.h')
-rw-r--r-- | src/messages/MStatfs.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/messages/MStatfs.h b/src/messages/MStatfs.h new file mode 100644 index 00000000..f68d6728 --- /dev/null +++ b/src/messages/MStatfs.h @@ -0,0 +1,69 @@ +// -*- 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_MSTATFS_H +#define CEPH_MSTATFS_H + +#include <sys/statvfs.h> /* or <sys/statfs.h> */ +#include "messages/PaxosServiceMessage.h" + +class MStatfs : public MessageInstance<MStatfs, PaxosServiceMessage> { +public: + friend factory; +private: + static constexpr int HEAD_VERSION = 2; + static constexpr int COMPAT_VERSION = 1; + +public: + uuid_d fsid; + boost::optional<int64_t> data_pool; + + MStatfs() : MessageInstance(CEPH_MSG_STATFS, 0, HEAD_VERSION, COMPAT_VERSION) {} + MStatfs(const uuid_d& f, ceph_tid_t t, boost::optional<int64_t> _data_pool, + version_t v) : MessageInstance(CEPH_MSG_STATFS, v, + HEAD_VERSION, COMPAT_VERSION), + fsid(f), data_pool(_data_pool) { + set_tid(t); + } + +private: + ~MStatfs() override {} + +public: + std::string_view get_type_name() const override { return "statfs"; } + void print(ostream& out) const override { + out << "statfs(" << get_tid() << " pool " + << (data_pool ? *data_pool : -1) << " v" << version << ")"; + } + + void encode_payload(uint64_t features) override { + using ceph::encode; + paxos_encode(); + encode(fsid, payload); + encode(data_pool, payload); + } + void decode_payload() override { + auto p = payload.cbegin(); + paxos_decode(p); + decode(fsid, p); + if (header.version >= 2) { + decode(data_pool, p); + } else { + data_pool = boost::optional<int64_t> (); + } + } +}; + +#endif |