mirror of
https://github.com/ceph/ceph
synced 2025-02-13 13:59:22 +00:00
1b4868aaaa
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1090 29311d96-e01e-0410-9327-a35deaab8ce9
87 lines
1.9 KiB
C++
87 lines
1.9 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 __MESSENGER_H
|
|
#define __MESSENGER_H
|
|
|
|
#include <map>
|
|
using namespace std;
|
|
|
|
#include "Message.h"
|
|
#include "Dispatcher.h"
|
|
#include "common/Mutex.h"
|
|
#include "common/Cond.h"
|
|
#include "include/Context.h"
|
|
|
|
|
|
|
|
class MDS;
|
|
class Timer;
|
|
|
|
class Messenger {
|
|
private:
|
|
Dispatcher *dispatcher;
|
|
entity_name_t _myname;
|
|
|
|
public:
|
|
Messenger(entity_name_t w) : dispatcher(0), _myname(w) { }
|
|
virtual ~Messenger() { }
|
|
|
|
// accessors
|
|
entity_name_t get_myname() { return _myname; }
|
|
void _set_myname(entity_name_t m) { _myname = m; }
|
|
|
|
virtual void reset_myname(entity_name_t m) = 0;
|
|
|
|
virtual const entity_addr_t &get_myaddr() = 0;
|
|
|
|
entity_inst_t get_myinst() { return entity_inst_t(_myname, get_myaddr()); }
|
|
|
|
// hrmpf.
|
|
virtual int get_dispatch_queue_len() { return 0; };
|
|
|
|
// setup
|
|
void set_dispatcher(Dispatcher *d) { dispatcher = d; ready(); }
|
|
Dispatcher *get_dispatcher() { return dispatcher; }
|
|
virtual void ready() { }
|
|
bool is_ready() { return dispatcher != 0; }
|
|
|
|
// dispatch incoming messages
|
|
virtual void dispatch(Message *m) {
|
|
assert(dispatcher);
|
|
dispatcher->dispatch(m);
|
|
}
|
|
|
|
// shutdown
|
|
virtual int shutdown() = 0;
|
|
|
|
// send message
|
|
virtual void prepare_dest(const entity_addr_t& addr) {}
|
|
virtual int send_message(Message *m, entity_inst_t dest,
|
|
int port=0, int fromport=0) = 0;
|
|
|
|
// make a procedure call
|
|
//virtual Message* sendrecv(Message *m, msg_name_t dest, int port=0);
|
|
|
|
virtual void mark_down(entity_addr_t a) {}
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
#endif
|