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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);
+};
+
+#endif