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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_MCLIENTREQUESTFORWARD_H
#define CEPH_MCLIENTREQUESTFORWARD_H
#include "msg/Message.h"
class MClientRequestForward final : public SafeMessage {
private:
int32_t dest_mds;
int32_t num_fwd;
bool client_must_resend;
protected:
MClientRequestForward()
: SafeMessage{CEPH_MSG_CLIENT_REQUEST_FORWARD},
dest_mds(-1), num_fwd(-1), client_must_resend(false) {}
MClientRequestForward(ceph_tid_t t, int dm, int nf, bool cmr) :
SafeMessage{CEPH_MSG_CLIENT_REQUEST_FORWARD},
dest_mds(dm), num_fwd(nf), client_must_resend(cmr) {
ceph_assert(client_must_resend);
header.tid = t;
}
~MClientRequestForward() final {}
public:
int get_dest_mds() const { return dest_mds; }
int get_num_fwd() const { return num_fwd; }
bool must_resend() const { return client_must_resend; }
std::string_view get_type_name() const override { return "client_request_forward"; }
void print(std::ostream& o) const override {
o << "client_request_forward(" << get_tid()
<< " to mds." << dest_mds
<< " num_fwd=" << num_fwd
<< (client_must_resend ? " client_must_resend":"")
<< ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(dest_mds, payload);
encode(num_fwd, payload);
encode(client_must_resend, payload);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
decode(dest_mds, p);
decode(num_fwd, p);
decode(client_must_resend, p);
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
template<class T, typename... Args>
friend MURef<T> crimson::make_message(Args&&... args);
};
#endif
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