ceph/src/messages/MAuth.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_MAUTH_H
  16 #define CEPH_MAUTH_H
  17
  18 #include <string_view>
  19
  20 #include "include/encoding.h"
  21
  22 #include "msg/Message.h"
  23 #include "msg/MessageRef.h"
  24 #include "messages/PaxosServiceMessage.h"
  25
  26 class MAuth final : public PaxosServiceMessage {
  27 public:
  28   __u32 protocol;
  29   ceph::buffer::list auth_payload;
  30   epoch_t monmap_epoch;
  31
  32   /* if protocol == 0, then auth_payload is a set<__u32> listing protocols the client supports */
  33
  34   MAuth() : PaxosServiceMessage{CEPH_MSG_AUTH, 0}, protocol(0), monmap_epoch(0) { }
  35 private:
  36   ~MAuth() final {}
  37
  38 public:
  39   std::string_view get_type_name() const override { return "auth"; }
  40   void print(std::ostream& out) const override {
  41     out << "auth(proto " << protocol << " " << auth_payload.length() << " bytes"
  42         << " epoch " << monmap_epoch << ")";
  43   }
  44
  45   void decode_payload() override {
  46     using ceph::decode;
  47     auto p = payload.cbegin();
  48     paxos_decode(p);
  49     decode(protocol, p);
  50     decode(auth_payload, p);
  51     if (!p.end())
  52       decode(monmap_epoch, p);
  53     else
  54       monmap_epoch = 0;
  55   }
  56   void encode_payload(uint64_t features) override {
  57     using ceph::encode;
  58     paxos_encode();
  59     encode(protocol, payload);
  60     encode(auth_payload, payload);
  61     encode(monmap_epoch, payload);
  62   }
  63   ceph::buffer::list& get_auth_payload() { return auth_payload; }
  64 };
  65
  66 #endif