ceph/branches/riccardo/monitor2/messages/MHashDirPrep.h
riccardo80 07ac5d3e74 creating branch for distributed monitor
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1068 29311d96-e01e-0410-9327-a35deaab8ce9
2007-02-01 05:43:23 +00:00

94 lines
2.1 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 __MHASHDIRPREP_H
#define __MHASHDIRPREP_H
#include "msg/Message.h"
#include "mds/CInode.h"
#include "include/types.h"
class MHashDirPrep : public Message {
inodeno_t ino;
bool assim;
// subdir dentry names + inodes
map<string,CInodeDiscover*> inodes;
public:
inodeno_t get_ino() { return ino; }
map<string,CInodeDiscover*>& get_inodes() { return inodes; }
bool did_assim() { return assim; }
void mark_assim() { assert(!assim); assim = true; }
MHashDirPrep() : assim(false) { }
MHashDirPrep(inodeno_t ino) :
Message(MSG_MDS_HASHDIRPREP),
assim(false) {
this->ino = ino;
}
~MHashDirPrep() {
for (map<string,CInodeDiscover*>::iterator it = inodes.begin();
it != inodes.end();
it++)
delete it->second;
}
virtual char *get_type_name() { return "HP"; }
void add_inode(const string& dentry, CInodeDiscover *in) {
inodes[dentry] = in;
}
void decode_payload() {
int off = 0;
payload.copy(off, sizeof(ino), (char*)&ino);
off += sizeof(ino);
// inodes
int ni;
payload.copy(off, sizeof(int), (char*)&ni);
off += sizeof(int);
for (int i=0; i<ni; i++) {
// dentry
string dname;
_decode(dname, payload, off);
// inode
CInodeDiscover *in = new CInodeDiscover;
in->_decode(payload, off);
inodes[dname] = in;
}
}
virtual void encode_payload() {
payload.append((char*)&ino, sizeof(ino));
// inodes
int ni = inodes.size();
payload.append((char*)&ni, sizeof(int));
for (map<string,CInodeDiscover*>::iterator iit = inodes.begin();
iit != inodes.end();
iit++) {
_encode(iit->first, payload); // dentry
iit->second->_encode(payload); // inode
}
}
};
#endif