mirror of
https://github.com/ceph/ceph
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5b2ef1aa9d
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1032 29311d96-e01e-0410-9327-a35deaab8ce9
97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#ifndef __MESSENGER_H
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#define __MESSENGER_H
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#include <map>
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using namespace std;
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#include "Message.h"
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#include "Dispatcher.h"
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#include "common/Mutex.h"
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#include "common/Cond.h"
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#include "include/Context.h"
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typedef __uint64_t lamport_t;
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class MDS;
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class Timer;
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class Messenger {
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private:
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Dispatcher *dispatcher;
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msg_addr_t _myaddr;
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entity_inst_t _myinst;
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public:
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Messenger(msg_addr_t w) : dispatcher(0), _myaddr(w) { }
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virtual ~Messenger() { }
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const entity_inst_t &get_myinst() { return _myinst; }
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void set_myinst(entity_inst_t& v) { _myinst = v; }
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msg_addr_t get_myaddr() { return _myaddr; }
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void _set_myaddr(msg_addr_t m) { _myaddr = m; }
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virtual void reset_myaddr(msg_addr_t m) = 0;
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virtual int shutdown() = 0;
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// callbacks
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static void do_callbacks();
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void queue_callback(Context *c);
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void queue_callbacks(list<Context*>& ls);
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virtual void callback_kick() = 0;
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virtual int get_dispatch_queue_len() { return 0; };
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// setup
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void set_dispatcher(Dispatcher *d) { dispatcher = d; ready(); }
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Dispatcher *get_dispatcher() { return dispatcher; }
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virtual void ready() { }
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bool is_ready() { return dispatcher != 0; }
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// dispatch incoming messages
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virtual void dispatch(Message *m);
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// send message
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virtual void prepare_dest(const entity_inst_t& inst) {}
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//virtual int send_message(Message *m, msg_addr_t dest, int port=0, int fromport=0) = 0;
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virtual int send_message(Message *m, msg_addr_t dest, entity_inst_t inst,
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int port=0, int fromport=0) = 0;
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// make a procedure call
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//virtual Message* sendrecv(Message *m, msg_addr_t dest, int port=0);
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virtual void mark_down(msg_addr_t a, entity_inst_t& i) {}
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virtual void mark_up(msg_addr_t a, entity_inst_t& i) {}
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//virtual void reset(msg_addr_t a) { mark_down(a); mark_up(a); }
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};
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#endif
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