mirror of
https://github.com/ceph/ceph
synced 2025-02-07 19:03:18 +00:00
94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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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 CEPH_MDATAPING_H
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#define CEPH_MDATAPING_H
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#include "msg/Message.h"
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#include "messages/MPing.h"
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#include "include/encoding.h"
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#if defined(HAVE_XIO)
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extern "C" {
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#include "libxio.h"
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}
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#else
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struct xio_reg_mem {};
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#endif /* HAVE_XIO */
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typedef void (*mdata_hook_func)(struct xio_reg_mem *mp);
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class MDataPing : public Message {
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public:
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static const int HEAD_VERSION = 1;
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static const int COMPAT_VERSION = 1;
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std::string tag;
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uint32_t counter;
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mdata_hook_func mdata_hook;
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struct xio_reg_mem mp;
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bool free_data;
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MDataPing()
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: Message(MSG_DATA_PING, HEAD_VERSION, COMPAT_VERSION),
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mdata_hook(NULL),
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free_data(false)
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{}
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struct xio_reg_mem *get_mp()
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{
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return ∓
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}
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void set_rdma_hook(mdata_hook_func hook)
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{
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mdata_hook = hook;
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}
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private:
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~MDataPing()
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{
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if (mdata_hook)
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mdata_hook(&mp);
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if (free_data) {
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const std::list<buffer::ptr>& buffers = data.buffers();
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list<bufferptr>::const_iterator pb;
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for (pb = buffers.begin(); pb != buffers.end(); ++pb) {
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free((void*) pb->c_str());
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}
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}
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}
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public:
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void decode_payload() {
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bufferlist::iterator p = payload.begin();
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::decode(tag, p);
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::decode(counter, p);
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}
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void encode_payload(uint64_t features) {
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::encode(tag, payload);
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::encode(counter, payload);
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}
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const char *get_type_name() const { return "data_ping"; }
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void print(ostream& out) const {
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out << get_type_name() << " " << tag << " " << counter;
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}
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};
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#endif /* CEPH_MDATAPING_H */
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