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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) 2017 John Spray <john.spray@redhat.com>
*
* 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.
*/
#pragma once
#include <string>
#include "include/encoding.h"
struct MonCommand {
std::string cmdstring;
std::string helpstring;
std::string module;
std::string req_perms;
uint64_t flags;
// MonCommand flags
static const uint64_t FLAG_NONE = 0;
static const uint64_t FLAG_NOFORWARD = 1 << 0;
static const uint64_t FLAG_OBSOLETE = 1 << 1;
static const uint64_t FLAG_DEPRECATED = 1 << 2;
static const uint64_t FLAG_MGR = 1 << 3;
static const uint64_t FLAG_POLL = 1 << 4;
static const uint64_t FLAG_HIDDEN = 1 << 5;
bool has_flag(uint64_t flag) const { return (flags & flag) != 0; }
void set_flag(uint64_t flag) { flags |= flag; }
void unset_flag(uint64_t flag) { flags &= ~flag; }
void encode(bufferlist &bl) const {
ENCODE_START(1, 1, bl);
encode_bare(bl);
encode(flags, bl);
ENCODE_FINISH(bl);
}
void decode(bufferlist::const_iterator &bl) {
DECODE_START(1, bl);
decode_bare(bl);
decode(flags, bl);
DECODE_FINISH(bl);
}
/**
* Unversioned encoding for use within encode_array.
*/
void encode_bare(bufferlist &bl) const {
using ceph::encode;
encode(cmdstring, bl);
encode(helpstring, bl);
encode(module, bl);
encode(req_perms, bl);
std::string availability = "cli,rest"; // Removed field, for backward compat
encode(availability, bl);
}
void decode_bare(bufferlist::const_iterator &bl) {
using ceph::decode;
decode(cmdstring, bl);
decode(helpstring, bl);
decode(module, bl);
decode(req_perms, bl);
std::string availability; // Removed field, for backward compat
decode(availability, bl);
}
bool is_compat(const MonCommand* o) const {
return cmdstring == o->cmdstring &&
module == o->module && req_perms == o->req_perms;
}
bool is_noforward() const {
return has_flag(MonCommand::FLAG_NOFORWARD);
}
bool is_obsolete() const {
return has_flag(MonCommand::FLAG_OBSOLETE);
}
bool is_deprecated() const {
return has_flag(MonCommand::FLAG_DEPRECATED);
}
bool is_mgr() const {
return has_flag(MonCommand::FLAG_MGR);
}
bool is_hidden() const {
return has_flag(MonCommand::FLAG_HIDDEN);
}
static void encode_array(const MonCommand *cmds, int size, bufferlist &bl) {
ENCODE_START(2, 1, bl);
uint16_t s = size;
encode(s, bl);
for (int i = 0; i < size; ++i) {
cmds[i].encode_bare(bl);
}
for (int i = 0; i < size; i++) {
encode(cmds[i].flags, bl);
}
ENCODE_FINISH(bl);
}
static void decode_array(MonCommand **cmds, int *size,
bufferlist::const_iterator &bl) {
DECODE_START(2, bl);
uint16_t s = 0;
decode(s, bl);
*size = s;
*cmds = new MonCommand[*size];
for (int i = 0; i < *size; ++i) {
(*cmds)[i].decode_bare(bl);
}
if (struct_v >= 2) {
for (int i = 0; i < *size; i++)
decode((*cmds)[i].flags, bl);
} else {
for (int i = 0; i < *size; i++)
(*cmds)[i].flags = 0;
}
DECODE_FINISH(bl);
}
// this uses a u16 for the count, so we need a special encoder/decoder.
static void encode_vector(const std::vector<MonCommand>& cmds,
bufferlist &bl) {
ENCODE_START(2, 1, bl);
uint16_t s = cmds.size();
encode(s, bl);
for (unsigned i = 0; i < s; ++i) {
cmds[i].encode_bare(bl);
}
for (unsigned i = 0; i < s; i++) {
encode(cmds[i].flags, bl);
}
ENCODE_FINISH(bl);
}
static void decode_vector(std::vector<MonCommand> &cmds,
bufferlist::const_iterator &bl) {
DECODE_START(2, bl);
uint16_t s = 0;
decode(s, bl);
cmds.resize(s);
for (unsigned i = 0; i < s; ++i) {
cmds[i].decode_bare(bl);
}
if (struct_v >= 2) {
for (unsigned i = 0; i < s; i++)
decode(cmds[i].flags, bl);
} else {
for (unsigned i = 0; i < s; i++)
cmds[i].flags = 0;
}
DECODE_FINISH(bl);
}
bool requires_perm(char p) const {
return (req_perms.find(p) != std::string::npos);
}
};
WRITE_CLASS_ENCODER(MonCommand)
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