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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef METATOOL_H__
#define METATOOL_H__
#include "MDSUtility.h"
#include "RoleSelector.h"
#include <vector>
#include <stack>
using std::stack;
#include "mds/mdstypes.h"
#include "mds/LogEvent.h"
#include "mds/events/EMetaBlob.h"
#include "include/rados/librados.hpp"
#include "common/ceph_json.h"
using ::ceph::bufferlist;
class MetaTool : public MDSUtility
{
public:
class inode_meta_t {
public:
inode_meta_t(snapid_t f = CEPH_NOSNAP, char t = char(255), InodeStore* i = NULL):
_f(f),_t(t),_i(i) {
};
snapid_t get_snapid() const {
return _f;
}
InodeStore* get_meta() const {
if (_t == 'I')
return _i;
else
return NULL;
}
int get_type() const {
return _t;
}
void decode_json(JSONObj *obj);
void encode(::ceph::bufferlist& bl, uint64_t features);
private:
snapid_t _f;
char _t;
InodeStore* _i;
};
private:
class meta_op {
public:
meta_op(bool debug = false, std::string out = "", std::string in = "", bool confirm = false):
_debug(debug),
_out(out),
_in(in),
_confirm(confirm)
{}
void release();
typedef enum {
OP_LIST = 0,
OP_LTRACE,
OP_SHOW,
OP_AMEND,
OP_SHOW_FN,
OP_AMEND_FN,
OP_NO
} op_type;
typedef enum {
INO_DIR = 0,
INO_F
} ino_type;
static std::string op_type_name(op_type& t) {
std::string name;
switch (t) {
case OP_LIST:
name = "list dir";
break;
case OP_LTRACE:
name = "load trace";
break;
case OP_SHOW:
name = "show info";
break;
case OP_AMEND:
name = "amend info";
break;
case OP_SHOW_FN:
name = "show fnode";
break;
case OP_AMEND_FN:
name = "amend fnode";
break;
case OP_NO:
name = "noop";
break;
default:
name = "unknow op type";
}
return name;
}
static std::string ino_type_name(ino_type& t) {
std::string name;
switch (t) {
case INO_DIR:
name = "dir";
break;
case INO_F:
name = "file";
break;
default:
name = "unknow file type";
}
return name;
}
class sub_op {
public:
sub_op(meta_op* mop):
trace_level(0),
_proc(false),
_mop(mop)
{}
void print() {
std::cout << detail() << std::endl;
}
std::string detail() {
std::stringstream ds;
ds << " [sub_op]" << op_type_name(sub_op_t) << "|"
<< ino_type_name(sub_ino_t) << "|"
<< ino << "|"
<< frag << "|"
<< ino_c << "|"
<< trace_level << "|"
<< name;
return ds.str();
}
bool get_c_ancestor(inode_backpointer_t& bp) {
if (!_mop || !ino_c)
return false;
auto item = _mop->ancestors.find(ino_c);
if (item != _mop->ancestors.end()) {
bp = item->second;
return true;
} else
return false;
}
bool get_ancestor(inode_backpointer_t& bp) {
if (!_mop || !ino)
return false;
auto item = _mop->ancestors.find(ino);
if (item != _mop->ancestors.end()) {
bp = item->second;
return true;
} else
return false;
}
op_type sub_op_t;
ino_type sub_ino_t;
inodeno_t ino;
frag_t frag;
inodeno_t ino_c;
unsigned trace_level;
std::string name;
bool _proc;
meta_op* _mop;
};
std::map<inodeno_t, inode_backpointer_t > ancestors;
std::map<inodeno_t, inode_meta_t* > inodes;
std::map<inodeno_t, std::string > okeys;
void clear_sops() {
while(!no_sops())
pop_op();
}
bool no_sops() {
return sub_ops.empty();
}
void push_op(sub_op* sop) {
if (_debug)
std::cout << "<<====" << sop->detail() << std::endl;
sub_ops.push(sop);
}
sub_op* top_op() {
return sub_ops.top();
}
void pop_op() {
sub_op* sop = sub_ops.top();
if (_debug)
std::cout << "====>>" << sop->detail() << std::endl;;
delete sop;
sub_ops.pop();
}
std::string outfile() {
return _out;
}
std::string infile() {
return _in;
}
bool is_debug() {
return _debug;
}
bool confirm_chg() {
return _confirm;
}
private:
stack<sub_op*> sub_ops;
bool _debug;
std::string _out;
std::string _in;
bool _confirm;
};
MDSRoleSelector role_selector;
mds_rank_t rank;
// I/O handles
librados::Rados rados;
librados::IoCtx io_meta;
std::vector<librados::IoCtx*> io_data_v;
librados::IoCtx output;
bool _debug;
uint64_t features;
std::string obj_name(inodeno_t ino, frag_t fg = frag_t(), const char *suffix = NULL) const;
std::string obj_name(inodeno_t ino, uint64_t offset, const char *suffix = NULL) const;
std::string obj_name(const char* ino, uint64_t offset, const char *suffix = NULL) const;
// 0 : continue to find
// 1 : stop to find it
int show_child(std::string_view key,
std::string_view dname,
const snapid_t last,
bufferlist &bl,
const int pos,
const std::set<snapid_t> *snaps,
bool *force_dirty,
inodeno_t sp_ino = 0,
meta_op* op = NULL
);
int process(std::string& mode, std::string& ino, std::string out, std::string in, bool confirm);
int show_meta_info(std::string& ino, std::string& out);
int list_meta_info(std::string& ino, std::string& out);
int amend_meta_info(std::string& ino, std::string& in, bool confirm);
int show_fnode(std::string& ino, std::string& out);
int amend_fnode(std::string& in, bool confirm);
int op_process(meta_op &op);
int list_meta(meta_op &op);
int file_meta(meta_op &op);
int show_meta(meta_op &op);
int amend_meta(meta_op &op);
int show_fn(meta_op &op);
int amend_fn(meta_op &op);
public:
int _file_meta(meta_op &op, librados::IoCtx& io);
int _show_meta(inode_meta_t& i, const std::string& fn);
int _amend_meta(std::string &k, inode_meta_t& i, const std::string& fn, meta_op& op);
int _show_fn(inode_meta_t& i, const std::string& fn);
int _amend_fn(const std::string& fn, bool confirm);
void usage();
MetaTool(bool debug=false):
_debug(debug) {}
~MetaTool() {}
int main(std::string& mode,
std::string& rank_str,
std::string& minfo,
std::string&ino,
std::string& out,
std::string& in,
bool confirm = false
);
};
#endif // METATOOL_H__
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