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 <string_view>
  20
  21 #include "msg/Message.h"
  22
  23 class MClientLease : public SafeMessage {
  24 public:
  25   struct ceph_mds_lease h;
  26   std::string dname;
  27
  28   int get_action() const { return h.action; }
  29   ceph_seq_t get_seq() const { return h.seq; }
  30   int get_mask() const { return h.mask; }
  31   inodeno_t get_ino() const { return inodeno_t(h.ino); }
  32   snapid_t get_first() const { return snapid_t(h.first); }
  33   snapid_t get_last() const { return snapid_t(h.last); }
  34
  35 protected:
  36   MClientLease() : SafeMessage(CEPH_MSG_CLIENT_LEASE) {}
  37   MClientLease(const MClientLease& m) :
  38     SafeMessage(CEPH_MSG_CLIENT_LEASE),
  39     h(m.h),
  40     dname(m.dname) {}
  41   MClientLease(int ac, ceph_seq_t seq, int m, uint64_t i, uint64_t sf, uint64_t sl) :
  42     SafeMessage(CEPH_MSG_CLIENT_LEASE) {
  43     h.action = ac;
  44     h.seq = seq;
  45     h.mask = m;
  46     h.ino = i;
  47     h.first = sf;
  48     h.last = sl;
  49     h.duration_ms = 0;
  50   }
  51   MClientLease(int ac, ceph_seq_t seq, int m, uint64_t i, uint64_t sf, uint64_t sl, std::string_view d) :
  52     SafeMessage(CEPH_MSG_CLIENT_LEASE),
  53     dname(d) {
  54     h.action = ac;
  55     h.seq = seq;
  56     h.mask = m;
  57     h.ino = i;
  58     h.first = sf;
  59     h.last = sl;
  60     h.duration_ms = 0;
  61   }
  62   ~MClientLease() override {}
  63
  64 public:
  65   std::string_view get_type_name() const override { return "client_lease"; }
  66   void print(ostream& out) const override {
  67     out << "client_lease(a=" << ceph_lease_op_name(get_action())
  68         << " seq " << get_seq()
  69         << " mask " << get_mask();
  70     out << " " << get_ino();
  71     if (h.last != CEPH_NOSNAP)
  72       out << " [" << snapid_t(h.first) << "," << snapid_t(h.last) << "]";
  73     if (dname.length())
  74       out << "/" << dname;
  75     out << ")";
  76   }
  77
  78   void decode_payload() override {
  79     auto p = payload.cbegin();
  80     decode(h, p);
  81     decode(dname, p);
  82   }
  83   void encode_payload(uint64_t features) override {
  84     using ceph::encode;
  85     encode(h, payload);
  86     encode(dname, payload);
  87   }
  88
  89 private:
  90   template<class T, typename... Args>
  91   friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
  92 };
  93
  94 #endif