+++ /dev/null
-// -*- 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_MCLIENTSESSION_H
-#define CEPH_MCLIENTSESSION_H
-
-#include "msg/Message.h"
-
-class MClientSession : public Message {
- static const int HEAD_VERSION = 2;
- static const int COMPAT_VERSION = 1;
-
-public:
- ceph_mds_session_head head;
-
- std::map<std::string, std::string> client_meta;
-
- int get_op() const { return head.op; }
- version_t get_seq() const { return head.seq; }
- utime_t get_stamp() const { return utime_t(head.stamp); }
- int get_max_caps() const { return head.max_caps; }
- int get_max_leases() const { return head.max_leases; }
-
- MClientSession() : Message(CEPH_MSG_CLIENT_SESSION, HEAD_VERSION, COMPAT_VERSION) { }
- MClientSession(int o, version_t s=0) :
- Message(CEPH_MSG_CLIENT_SESSION, HEAD_VERSION, COMPAT_VERSION) {
- memset(&head, 0, sizeof(head));
- head.op = o;
- head.seq = s;
- }
- MClientSession(int o, utime_t st) :
- Message(CEPH_MSG_CLIENT_SESSION, HEAD_VERSION, COMPAT_VERSION) {
- memset(&head, 0, sizeof(head));
- head.op = o;
- head.seq = 0;
- st.encode_timeval(&head.stamp);
- }
-private:
- ~MClientSession() override {}
-
-public:
- const char *get_type_name() const override { return "client_session"; }
- void print(ostream& out) const override {
- out << "client_session(" << ceph_session_op_name(get_op());
- if (get_seq())
- out << " seq " << get_seq();
- if (get_op() == CEPH_SESSION_RECALL_STATE)
- out << " max_caps " << head.max_caps << " max_leases " << head.max_leases;
- out << ")";
- }
-
- void decode_payload() override {
- bufferlist::iterator p = payload.begin();
- ::decode(head, p);
- if (header.version >= 2) {
- ::decode(client_meta, p);
- }
- }
- void encode_payload(uint64_t features) override {
- ::encode(head, payload);
- if (client_meta.empty()) {
- // If we're not trying to send any metadata (always the case if
- // we are a server) then send older-format message to avoid upsetting
- // old kernel clients.
- header.version = 1;
- } else {
- ::encode(client_meta, payload);
- header.version = HEAD_VERSION;
- }
-
- }
-};
-
-#endif