[ceph.git] / ceph / src / mds / RecoveryQueue.h

// -*- 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.
 * 
 */

//class C_MDC_Recover;
//
#ifndef RECOVERY_QUEUE_H
#define RECOVERY_QUEUE_H

#include <set>

#include "include/common_fwd.h"
#include "osdc/Filer.h"

class CInode;
class MDSRank;

class RecoveryQueue {
public:
  explicit RecoveryQueue(MDSRank *mds_);

  void enqueue(CInode *in);
  void advance();
  void prioritize(CInode *in);   ///< do this inode now/soon

  void set_logger(PerfCounters *p) {logger=p;}

private:
  friend class C_MDC_Recover;

  void _start(CInode *in);  ///< start recovering this file
  void _recovered(CInode *in, int r, uint64_t size, utime_t mtime);

  size_t file_recover_queue_size = 0;
  size_t file_recover_queue_front_size = 0;

  elist<CInode*> file_recover_queue;   ///< the queue
  elist<CInode*> file_recover_queue_front;  ///< elevated priority items
  std::map<CInode*, bool> file_recovering; // inode -> need_restart

  MDSRank *mds;
  PerfCounters *logger = nullptr;
  Filer filer;
};

#endif // RECOVERY_QUEUE_H
Commit	Line	Data
7c673cae FG	1	// -- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t --
	2	// vim: ts=8 sw=2 smarttab
	3	/*
	4	* Ceph - scalable distributed file system
	5	*
	6	* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
	7	*
	8	* This is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU Lesser General Public
	10	* License version 2.1, as published by the Free Software
	11	* Foundation. See file COPYING.
	12	*
	13	*/
	14
	15	//class C_MDC_Recover;
	16	//
	17	#ifndef RECOVERY_QUEUE_H
	18	#define RECOVERY_QUEUE_H
	19
	20	#include <set>
	21
9f95a23c	22	#include "include/common_fwd.h"
7c673cae FG	23	#include "osdc/Filer.h"
	24
	25	class CInode;
	26	class MDSRank;
7c673cae FG	27
	28	class RecoveryQueue {
	29	public:
9f95a23c TL	30	explicit RecoveryQueue(MDSRank *mds_);
9f95a23c TL	31
7c673cae FG	32	void enqueue(CInode *in);
	33	void advance();
	34	void prioritize(CInode *in); ///< do this inode now/soon
7c673cae FG	35
	36	void set_logger(PerfCounters *p) {logger=p;}
	37
	38	private:
9f95a23c TL	39	friend class C_MDC_Recover;
9f95a23c TL	40
7c673cae	41	void _start(CInode *in); ///< start recovering this file
7c673cae	42	void _recovered(CInode *in, int r, uint64_t size, utime_t mtime);
b32b8144 FG	43
	44	size_t file_recover_queue_size = 0;
	45	size_t file_recover_queue_front_size = 0;
	46
	47	elist<CInode*> file_recover_queue; ///< the queue
	48	elist<CInode*> file_recover_queue_front; ///< elevated priority items
	49	std::map<CInode*, bool> file_recovering; // inode -> need_restart
	50
7c673cae	51	MDSRank *mds;
9f95a23c	52	PerfCounters *logger = nullptr;
7c673cae	53	Filer filer;
7c673cae FG	54	};
	55
	56	#endif // RECOVERY_QUEUE_H