mirror of
https://github.com/ceph/ceph
synced 2025-01-09 04:30:26 +00:00
9213a23f14
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1138 29311d96-e01e-0410-9327-a35deaab8ce9
150 lines
3.4 KiB
C++
150 lines
3.4 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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#include <iostream>
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using std::cout;
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using std::cerr;
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using std::endl;
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#include "Anchor.h"
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#include "AnchorClient.h"
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#include "MDSMap.h"
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#include "include/Context.h"
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#include "msg/Messenger.h"
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#include "MDS.h"
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#include "messages/MAnchorRequest.h"
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#include "messages/MAnchorReply.h"
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#include "config.h"
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#undef dout
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#define dout(x) if (x <= g_conf.debug) cout << g_clock.now() << " " << messenger->get_myaddr() << ".anchorclient "
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#define derr(x) if (x <= g_conf.debug) cout << g_clock.now() << " " << messenger->get_myaddr() << ".anchorclient "
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void AnchorClient::dispatch(Message *m)
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{
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switch (m->get_type()) {
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case MSG_MDS_ANCHORREPLY:
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handle_anchor_reply((MAnchorReply*)m);
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break;
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default:
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assert(0);
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}
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}
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void AnchorClient::handle_anchor_reply(class MAnchorReply *m)
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{
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switch (m->get_op()) {
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case ANCHOR_OP_LOOKUP:
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{
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assert(pending_lookup_trace.count(m->get_ino()) == 1);
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*(pending_lookup_trace[ m->get_ino() ]) = m->get_trace();
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Context *onfinish = pending_lookup_context[ m->get_ino() ];
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pending_lookup_trace.erase(m->get_ino());
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pending_lookup_context.erase(m->get_ino());
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if (onfinish) {
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onfinish->finish(0);
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delete onfinish;
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}
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}
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break;
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case ANCHOR_OP_UPDATE:
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case ANCHOR_OP_CREATE:
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case ANCHOR_OP_DESTROY:
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{
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assert(pending_op.count(m->get_ino()) == 1);
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Context *onfinish = pending_op[m->get_ino()];
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pending_op.erase(m->get_ino());
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if (onfinish) {
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onfinish->finish(0);
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delete onfinish;
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}
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}
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break;
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default:
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assert(0);
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}
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}
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/*
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* public async interface
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*/
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void AnchorClient::lookup(inodeno_t ino, vector<Anchor*>& trace, Context *onfinish)
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{
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// send message
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MAnchorRequest *req = new MAnchorRequest(ANCHOR_OP_LOOKUP, ino);
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pending_lookup_trace[ino] = &trace;
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pending_lookup_context[ino] = onfinish;
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messenger->send_message(req,
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mdsmap->get_inst(mdsmap->get_anchortable()),
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MDS_PORT_ANCHORMGR, MDS_PORT_ANCHORCLIENT);
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}
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void AnchorClient::create(inodeno_t ino, vector<Anchor*>& trace, Context *onfinish)
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{
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// send message
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MAnchorRequest *req = new MAnchorRequest(ANCHOR_OP_CREATE, ino);
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req->set_trace(trace);
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pending_op[ino] = onfinish;
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messenger->send_message(req,
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mdsmap->get_inst(mdsmap->get_anchortable()),
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MDS_PORT_ANCHORMGR, MDS_PORT_ANCHORCLIENT);
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}
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void AnchorClient::update(inodeno_t ino, vector<Anchor*>& trace, Context *onfinish)
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{
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// send message
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MAnchorRequest *req = new MAnchorRequest(ANCHOR_OP_UPDATE, ino);
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req->set_trace(trace);
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pending_op[ino] = onfinish;
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messenger->send_message(req,
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mdsmap->get_inst(mdsmap->get_anchortable()),
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MDS_PORT_ANCHORMGR, MDS_PORT_ANCHORCLIENT);
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}
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void AnchorClient::destroy(inodeno_t ino, Context *onfinish)
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{
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// send message
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MAnchorRequest *req = new MAnchorRequest(ANCHOR_OP_DESTROY, ino);
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pending_op[ino] = onfinish;
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messenger->send_message(req,
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mdsmap->get_inst(mdsmap->get_anchortable()),
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MDS_PORT_ANCHORMGR, MDS_PORT_ANCHORCLIENT);
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}
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