ceph/src/messages/MCommand.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 #ifndef CEPH_MCOMMAND_H
  16 #define CEPH_MCOMMAND_H
  17
  18 #include <vector>
  19
  20 #include "msg/Message.h"
  21
  22 class MCommand final : public Message {
  23 public:
  24   uuid_d fsid;
  25   std::vector<std::string> cmd;
  26
  27   MCommand()
  28     : Message{MSG_COMMAND} {}
  29   MCommand(const uuid_d &f)
  30     : Message{MSG_COMMAND},
  31       fsid(f) { }
  32
  33 private:
  34   ~MCommand() final {}
  35
  36 public:
  37   std::string_view get_type_name() const override { return "command"; }
  38   void print(std::ostream& o) const override {
  39     o << "command(tid " << get_tid() << ": ";
  40     for (unsigned i=0; i<cmd.size(); i++) {
  41       if (i) o << ' ';
  42       o << cmd[i];
  43     }
  44     o << ")";
  45   }
  46
  47   void encode_payload(uint64_t features) override {
  48     using ceph::encode;
  49     encode(fsid, payload);
  50     encode(cmd, payload);
  51   }
  52   void decode_payload() override {
  53     using ceph::decode;
  54     auto p = payload.cbegin();
  55     decode(fsid, p);
  56     decode(cmd, p);
  57   }
  58 };
  59
  60 #endif