1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
8 * This is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License version 2.1, as published by the Free Software
11 * Foundation. See file COPYING.
15 #ifndef CEPH_MDATAPING_H
16 #define CEPH_MDATAPING_H
18 #include "msg/Message.h"
19 #include "messages/MPing.h"
20 #include "include/encoding.h"
26 struct xio_reg_mem {};
29 typedef void (*mdata_hook_func)(struct xio_reg_mem *mp);
31 class MDataPing : public Message {
35 static const int HEAD_VERSION = 1;
36 static const int COMPAT_VERSION = 1;
40 mdata_hook_func mdata_hook;
41 struct xio_reg_mem mp;
45 : Message(MSG_DATA_PING, HEAD_VERSION, COMPAT_VERSION),
50 struct xio_reg_mem *get_mp()
55 void set_rdma_hook(mdata_hook_func hook)
67 const std::list<buffer::ptr>& buffers = data.buffers();
68 list<bufferptr>::const_iterator pb;
69 for (pb = buffers.begin(); pb != buffers.end(); ++pb) {
70 free((void*) pb->c_str());
76 void decode_payload() override {
77 bufferlist::iterator p = payload.begin();
81 void encode_payload(uint64_t features) override {
82 ::encode(tag, payload);
83 ::encode(counter, payload);
86 const char *get_type_name() const override { return "data_ping"; }
88 void print(ostream& out) const override {
89 out << get_type_name() << " " << tag << " " << counter;
93 #endif /* CEPH_MDATAPING_H */