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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#ifndef CEPH_MMGRBEACON_H
#define CEPH_MMGRBEACON_H
#include "messages/PaxosServiceMessage.h"
#include "mon/MonCommand.h"
#include "mon/MgrMap.h"
#include "include/types.h"
class MMgrBeacon final : public PaxosServiceMessage {
private:
static constexpr int HEAD_VERSION = 11;
static constexpr int COMPAT_VERSION = 8;
protected:
uint64_t gid;
entity_addrvec_t server_addrs;
bool available;
std::string name;
uuid_d fsid;
// From active daemon to populate MgrMap::services
std::map<std::string, std::string> services;
// Only populated during activation
std::vector<MonCommand> command_descs;
// Information about the modules found locally on this daemon
std::vector<MgrMap::ModuleInfo> modules;
std::map<std::string,std::string> metadata; ///< misc metadata about this osd
std::multimap<std::string, entity_addrvec_t> clients;
uint64_t mgr_features = 0; ///< reporting mgr's features
public:
MMgrBeacon()
: PaxosServiceMessage{MSG_MGR_BEACON, 0, HEAD_VERSION, COMPAT_VERSION},
gid(0), available(false)
{}
MMgrBeacon(const uuid_d& fsid_, uint64_t gid_, const std::string &name_,
entity_addrvec_t server_addrs_, bool available_,
std::vector<MgrMap::ModuleInfo>&& modules_,
std::map<std::string,std::string>&& metadata_,
std::multimap<std::string, entity_addrvec_t>&& clients_,
uint64_t feat)
: PaxosServiceMessage{MSG_MGR_BEACON, 0, HEAD_VERSION, COMPAT_VERSION},
gid(gid_), server_addrs(server_addrs_), available(available_), name(name_),
fsid(fsid_), modules(std::move(modules_)), metadata(std::move(metadata_)),
clients(std::move(clients_)),
mgr_features(feat)
{
}
uint64_t get_gid() const { return gid; }
entity_addrvec_t get_server_addrs() const { return server_addrs; }
bool get_available() const { return available; }
const std::string& get_name() const { return name; }
const uuid_d& get_fsid() const { return fsid; }
const std::map<std::string,std::string>& get_metadata() const {
return metadata;
}
const std::map<std::string,std::string>& get_services() const {
return services;
}
uint64_t get_mgr_features() const { return mgr_features; }
void set_services(const std::map<std::string, std::string> &svcs)
{
services = svcs;
}
void set_command_descs(const std::vector<MonCommand> &cmds)
{
command_descs = cmds;
}
const std::vector<MonCommand> &get_command_descs()
{
return command_descs;
}
const std::vector<MgrMap::ModuleInfo> &get_available_modules() const
{
return modules;
}
const auto& get_clients() const
{
return clients;
}
private:
~MMgrBeacon() final {}
public:
std::string_view get_type_name() const override { return "mgrbeacon"; }
void print(std::ostream& out) const override {
out << get_type_name() << " mgr." << name << "(" << fsid << ","
<< gid << ", " << server_addrs << ", " << available
<< ")";
}
void encode_payload(uint64_t features) override {
header.version = HEAD_VERSION;
header.compat_version = COMPAT_VERSION;
using ceph::encode;
paxos_encode();
assert(HAVE_FEATURE(features, SERVER_NAUTILUS));
encode(server_addrs, payload, features);
encode(gid, payload);
encode(available, payload);
encode(name, payload);
encode(fsid, payload);
// Fill out old-style list of module names (deprecated by
// later field of full ModuleInfos)
std::set<std::string> module_names;
for (const auto &info : modules) {
module_names.insert(info.name);
}
encode(module_names, payload);
encode(command_descs, payload);
encode(metadata, payload);
encode(services, payload);
encode(modules, payload);
encode(mgr_features, payload);
std::vector<std::string> clients_names;
std::vector<entity_addrvec_t> clients_addrs;
for (const auto& i : clients) {
clients_names.push_back(i.first);
clients_addrs.push_back(i.second);
}
// The address vector needs to be encoded first to produce a
// backwards compatible messsage for older monitors.
encode(clients_addrs, payload, features);
encode(clients_names, payload, features);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
paxos_decode(p);
assert(header.version >= 8);
decode(server_addrs, p); // entity_addr_t for version < 8
decode(gid, p);
decode(available, p);
decode(name, p);
decode(fsid, p);
std::set<std::string> module_name_list;
decode(module_name_list, p);
decode(command_descs, p);
decode(metadata, p);
decode(services, p);
decode(modules, p);
if (header.version >= 9) {
decode(mgr_features, p);
}
if (header.version >= 10) {
std::vector<entity_addrvec_t> clients_addrs;
decode(clients_addrs, p);
clients.clear();
if (header.version >= 11) {
std::vector<std::string> clients_names;
decode(clients_names, p);
if (clients_names.size() != clients_addrs.size()) {
throw ceph::buffer::malformed_input(
"clients_names.size() != clients_addrs.size()");
}
auto cn = clients_names.begin();
auto ca = clients_addrs.begin();
for(; cn != clients_names.end(); ++cn, ++ca) {
clients.emplace(*cn, *ca);
}
} else {
for (const auto& i : clients_addrs) {
clients.emplace("", i);
}
}
}
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};
#endif
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