ceph/src/messages/MClientLease.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15
  16 #ifndef CEPH_MCLIENTLEASE_H
  17 #define CEPH_MCLIENTLEASE_H
  18
  19 #include <boost/utility/string_view.hpp>
  20
  21 #include "msg/Message.h"
  22
  23 struct MClientLease : public Message {
  24   struct ceph_mds_lease h;
  25   std::string dname;
  26
  27   int get_action() const { return h.action; }
  28   ceph_seq_t get_seq() const { return h.seq; }
  29   int get_mask() const { return h.mask; }
  30   inodeno_t get_ino() const { return inodeno_t(h.ino); }
  31   snapid_t get_first() const { return snapid_t(h.first); }
  32   snapid_t get_last() const { return snapid_t(h.last); }
  33
  34   MClientLease() : Message(CEPH_MSG_CLIENT_LEASE) {}
  35   MClientLease(int ac, ceph_seq_t seq, int m, uint64_t i, uint64_t sf, uint64_t sl) :
  36     Message(CEPH_MSG_CLIENT_LEASE) {
  37     h.action = ac;
  38     h.seq = seq;
  39     h.mask = m;
  40     h.ino = i;
  41     h.first = sf;
  42     h.last = sl;
  43     h.duration_ms = 0;
  44   }
  45   MClientLease(int ac, ceph_seq_t seq, int m, uint64_t i, uint64_t sf, uint64_t sl, boost::string_view d) :
  46     Message(CEPH_MSG_CLIENT_LEASE),
  47     dname(d) {
  48     h.action = ac;
  49     h.seq = seq;
  50     h.mask = m;
  51     h.ino = i;
  52     h.first = sf;
  53     h.last = sl;
  54     h.duration_ms = 0;
  55   }
  56 private:
  57   ~MClientLease() override {}
  58
  59 public:
  60   const char *get_type_name() const override { return "client_lease"; }
  61   void print(ostream& out) const override {
  62     out << "client_lease(a=" << ceph_lease_op_name(get_action())
  63         << " seq " << get_seq()
  64         << " mask " << get_mask();
  65     out << " " << get_ino();
  66     if (h.last != CEPH_NOSNAP)
  67       out << " [" << snapid_t(h.first) << "," << snapid_t(h.last) << "]";
  68     if (dname.length())
  69       out << "/" << dname;
  70     out << ")";
  71   }
  72
  73   void decode_payload() override {
  74     bufferlist::iterator p = payload.begin();
  75     ::decode(h, p);
  76     ::decode(dname, p);
  77   }
  78   void encode_payload(uint64_t features) override {
  79     ::encode(h, payload);
  80     ::encode(dname, payload);
  81   }
  82
  83 };
  84
  85 #endif