mirror of
https://github.com/ceph/ceph
synced 2025-02-19 08:57:27 +00:00
07ac5d3e74
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1068 29311d96-e01e-0410-9327-a35deaab8ce9
103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
|
|
/*
|
|
* 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 __MEXPORTDIR_H
|
|
#define __MEXPORTDIR_H
|
|
|
|
#include "msg/Message.h"
|
|
|
|
|
|
class MExportDir : public Message {
|
|
inodeno_t ino;
|
|
|
|
int ndirs;
|
|
bufferlist state;
|
|
|
|
list<inodeno_t> exports;
|
|
|
|
// hashed pre-discovers
|
|
//map<inodeno_t, set<string> > hashed_prediscover;
|
|
|
|
public:
|
|
MExportDir() {}
|
|
MExportDir(CInode *in) :
|
|
Message(MSG_MDS_EXPORTDIR) {
|
|
this->ino = in->inode.ino;
|
|
ndirs = 0;
|
|
}
|
|
virtual char *get_type_name() { return "Ex"; }
|
|
|
|
inodeno_t get_ino() { return ino; }
|
|
int get_ndirs() { return ndirs; }
|
|
bufferlist& get_state() { return state; }
|
|
list<inodeno_t>& get_exports() { return exports; }
|
|
|
|
void add_dir(bufferlist& dir) {
|
|
state.claim_append( dir );
|
|
ndirs++;
|
|
}
|
|
void add_export(CDir *dir) { exports.push_back(dir->ino()); }
|
|
|
|
|
|
virtual void decode_payload() {
|
|
int off = 0;
|
|
payload.copy(off, sizeof(ino), (char*)&ino);
|
|
off += sizeof(ino);
|
|
payload.copy(off, sizeof(ndirs), (char*)&ndirs);
|
|
off += sizeof(ndirs);
|
|
|
|
// exports
|
|
int nex;
|
|
payload.copy(off, sizeof(nex), (char*)&nex);
|
|
off += sizeof(int);
|
|
dout(12) << nex << " nested exports out" << endl;
|
|
for (int i=0; i<nex; i++) {
|
|
inodeno_t dirino;
|
|
payload.copy(off, sizeof(dirino), (char*)&dirino);
|
|
off += sizeof(dirino);
|
|
exports.push_back(dirino);
|
|
}
|
|
|
|
// dir data
|
|
size_t len;
|
|
payload.copy(off, sizeof(len), (char*)&len);
|
|
off += sizeof(len);
|
|
state.substr_of(payload, off, len);
|
|
off += len;
|
|
}
|
|
virtual void encode_payload() {
|
|
payload.append((char*)&ino, sizeof(ino));
|
|
payload.append((char*)&ndirs, sizeof(ndirs));
|
|
|
|
// exports
|
|
int nex = exports.size();
|
|
dout(12) << nex << " nested exports in" << endl;
|
|
payload.append((char*)&nex, sizeof(int));
|
|
for (list<inodeno_t>::iterator it = exports.begin();
|
|
it != exports.end();
|
|
it++) {
|
|
inodeno_t ino = *it;
|
|
payload.append((char*)&ino, sizeof(ino));
|
|
}
|
|
|
|
// dir data
|
|
size_t len = state.length();
|
|
payload.append((char*)&len, sizeof(len));
|
|
payload.claim_append(state);
|
|
}
|
|
|
|
};
|
|
|
|
#endif
|