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// -*- 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.
*
*/
#ifndef CEPH_MDATAPING_H
#define CEPH_MDATAPING_H
#include "msg/Message.h"
#include "messages/MPing.h"
#include "include/encoding.h"
#if defined(HAVE_XIO)
extern "C" {
#include "libxio.h"
}
#else
struct xio_reg_mem {};
#endif /* HAVE_XIO */
typedef void (*mdata_hook_func)(struct xio_reg_mem *mp);
class MDataPing : public MessageInstance<MDataPing> {
public:
friend factory;
static constexpr int HEAD_VERSION = 1;
static constexpr int COMPAT_VERSION = 1;
std::string tag;
uint32_t counter = 0;
mdata_hook_func mdata_hook;
struct xio_reg_mem mp;
bool free_data;
MDataPing()
: MessageInstance(MSG_DATA_PING, HEAD_VERSION, COMPAT_VERSION),
mdata_hook(NULL),
free_data(false)
{}
struct xio_reg_mem *get_mp()
{
return ∓
}
void set_rdma_hook(mdata_hook_func hook)
{
mdata_hook = hook;
}
private:
~MDataPing() override
{
if (mdata_hook)
mdata_hook(&mp);
if (free_data) {
for (const auto& node : data.buffers()) {
free(const_cast<void*>(static_cast<const void*>(node.c_str())));
}
}
}
public:
void decode_payload() override {
auto p = payload.cbegin();
decode(tag, p);
decode(counter, p);
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(tag, payload);
encode(counter, payload);
}
std::string_view get_type_name() const override { return "data_ping"; }
void print(ostream& out) const override {
out << get_type_name() << " " << tag << " " << counter;
}
};
#endif /* CEPH_MDATAPING_H */
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