mirror of
https://github.com/ceph/ceph
synced 2025-02-19 08:57:27 +00:00
665688c9de
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1543 29311d96-e01e-0410-9327-a35deaab8ce9
110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#ifndef __MCLIENTFILECAPS_H
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#define __MCLIENTFILECAPS_H
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#include "msg/Message.h"
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#include "mds/Capability.h"
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class MClientFileCaps : public Message {
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public:
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static const int OP_GRANT = 0; // mds->client grant.
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static const int OP_ACK = 1; // client->mds ack (if prior grant was a recall)
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static const int OP_RELEASE = 2; // mds closed the cap
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static const int OP_STALE = 3; // mds has exported the cap
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static const int OP_REAP = 4; // mds has imported the cap from get_mds()
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static const char* get_opname(int op) {
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switch (op) {
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case OP_GRANT: return "grant";
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case OP_ACK: return "ack";
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case OP_RELEASE: return "release";
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case OP_STALE: return "stale";
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case OP_REAP: return "reap";
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default: assert(0); return 0;
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}
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}
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private:
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int32_t op;
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inode_t inode;
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capseq_t seq;
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int32_t caps;
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int32_t wanted;
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int32_t mds;
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public:
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inodeno_t get_ino() { return inode.ino; }
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inode_t& get_inode() { return inode; }
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int get_caps() { return caps; }
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int get_wanted() { return wanted; }
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long get_seq() { return seq; }
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// for cap migration
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int get_mds() { return mds; }
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int get_op() { return op; }
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void set_caps(int c) { caps = c; }
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void set_wanted(int w) { wanted = w; }
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void set_mds(int m) { mds = m; }
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void set_op(int s) { op = s; }
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MClientFileCaps() {}
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MClientFileCaps(int op_,
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inode_t& inode_,
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long seq_,
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int caps_,
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int wanted_,
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int mds_=0) :
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Message(MSG_CLIENT_FILECAPS),
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op(op_),
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inode(inode_),
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seq(seq_),
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caps(caps_),
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wanted(wanted_),
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mds(mds_) { }
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char *get_type_name() { return "Cfcap";}
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void print(ostream& out) {
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out << "client_file_caps(" << get_opname(op)
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<< " " << inode.ino
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<< " seq " << seq
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<< " caps " << cap_string(caps)
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<< " wanted" << cap_string(wanted)
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<< ")";
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}
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void decode_payload() {
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int off = 0;
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::_decode(op, payload, off);
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::_decode(seq, payload, off);
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::_decode(inode, payload, off);
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::_decode(caps, payload, off);
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::_decode(wanted, payload, off);
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::_decode(mds, payload, off);
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}
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void encode_payload() {
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::_encode(op, payload);
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::_encode(seq, payload);
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::_encode(inode, payload);
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::_encode(caps, payload);
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::_encode(wanted, payload);
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::_encode(mds, payload);
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}
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};
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#endif
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