+++ /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_MMDSSLAVEREQUEST_H
-#define CEPH_MMDSSLAVEREQUEST_H
-
-#include "msg/Message.h"
-#include "mds/mdstypes.h"
-
-class MMDSSlaveRequest : public Message {
- public:
- static const int OP_XLOCK = 1;
- static const int OP_XLOCKACK = -1;
- static const int OP_UNXLOCK = 2;
- static const int OP_AUTHPIN = 3;
- static const int OP_AUTHPINACK = -3;
-
- static const int OP_LINKPREP = 4;
- static const int OP_UNLINKPREP = 5;
- static const int OP_LINKPREPACK = -4;
-
- static const int OP_RENAMEPREP = 7;
- static const int OP_RENAMEPREPACK = -7;
-
- static const int OP_WRLOCK = 8;
- static const int OP_WRLOCKACK = -8;
- static const int OP_UNWRLOCK = 9;
-
- static const int OP_RMDIRPREP = 10;
- static const int OP_RMDIRPREPACK = -10;
-
- static const int OP_DROPLOCKS = 11;
-
- static const int OP_RENAMENOTIFY = 12;
- static const int OP_RENAMENOTIFYACK = -12;
-
- static const int OP_FINISH = 17;
- static const int OP_COMMITTED = -18;
-
- static const int OP_ABORT = 20; // used for recovery only
- //static const int OP_COMMIT = 21; // used for recovery only
-
-
- const static char *get_opname(int o) {
- switch (o) {
- case OP_XLOCK: return "xlock";
- case OP_XLOCKACK: return "xlock_ack";
- case OP_UNXLOCK: return "unxlock";
- case OP_AUTHPIN: return "authpin";
- case OP_AUTHPINACK: return "authpin_ack";
-
- case OP_LINKPREP: return "link_prep";
- case OP_LINKPREPACK: return "link_prep_ack";
- case OP_UNLINKPREP: return "unlink_prep";
-
- case OP_RENAMEPREP: return "rename_prep";
- case OP_RENAMEPREPACK: return "rename_prep_ack";
-
- case OP_FINISH: return "finish"; // commit
- case OP_COMMITTED: return "committed";
-
- case OP_WRLOCK: return "wrlock";
- case OP_WRLOCKACK: return "wrlock_ack";
- case OP_UNWRLOCK: return "unwrlock";
-
- case OP_RMDIRPREP: return "rmdir_prep";
- case OP_RMDIRPREPACK: return "rmdir_prep_ack";
-
- case OP_DROPLOCKS: return "drop_locks";
-
- case OP_RENAMENOTIFY: return "rename_notify";
- case OP_RENAMENOTIFYACK: return "rename_notify_ack";
-
- case OP_ABORT: return "abort";
- //case OP_COMMIT: return "commit";
-
- default: ceph_abort(); return 0;
- }
- }
-
- private:
- metareqid_t reqid;
- __u32 attempt;
- __s16 op;
- __u16 flags;
-
- static const unsigned FLAG_NONBLOCK = 1<<0;
- static const unsigned FLAG_WOULDBLOCK = 1<<1;
- static const unsigned FLAG_NOTJOURNALED = 1<<2;
- static const unsigned FLAG_EROFS = 1<<3;
- static const unsigned FLAG_ABORT = 1<<4;
- static const unsigned FLAG_INTERRUPTED = 1<<5;
-
- // for locking
- __u16 lock_type; // lock object type
- MDSCacheObjectInfo object_info;
-
- // for authpins
- vector<MDSCacheObjectInfo> authpins;
-
- public:
- // for rename prep
- filepath srcdnpath;
- filepath destdnpath;
- set<mds_rank_t> witnesses;
- bufferlist inode_export;
- version_t inode_export_v;
- bufferlist srci_replica;
- mds_rank_t srcdn_auth;
- utime_t op_stamp;
-
- bufferlist stray; // stray dir + dentry
-
-public:
- metareqid_t get_reqid() { return reqid; }
- __u32 get_attempt() const { return attempt; }
- int get_op() { return op; }
- bool is_reply() { return op < 0; }
-
- int get_lock_type() { return lock_type; }
- MDSCacheObjectInfo &get_object_info() { return object_info; }
- MDSCacheObjectInfo &get_authpin_freeze() { return object_info; }
-
- vector<MDSCacheObjectInfo>& get_authpins() { return authpins; }
- void mark_nonblock() { flags |= FLAG_NONBLOCK; }
- bool is_nonblock() { return (flags & FLAG_NONBLOCK); }
- void mark_error_wouldblock() { flags |= FLAG_WOULDBLOCK; }
- bool is_error_wouldblock() { return (flags & FLAG_WOULDBLOCK); }
- void mark_not_journaled() { flags |= FLAG_NOTJOURNALED; }
- bool is_not_journaled() { return (flags & FLAG_NOTJOURNALED); }
- void mark_error_rofs() { flags |= FLAG_EROFS; }
- bool is_error_rofs() { return (flags & FLAG_EROFS); }
- bool is_abort() { return (flags & FLAG_ABORT); }
- void mark_abort() { flags |= FLAG_ABORT; }
- bool is_interrupted() { return (flags & FLAG_INTERRUPTED); }
- void mark_interrupted() { flags |= FLAG_INTERRUPTED; }
-
- void set_lock_type(int t) { lock_type = t; }
-
-
- // ----
- MMDSSlaveRequest() : Message(MSG_MDS_SLAVE_REQUEST) { }
- MMDSSlaveRequest(metareqid_t ri, __u32 att, int o) :
- Message(MSG_MDS_SLAVE_REQUEST),
- reqid(ri), attempt(att), op(o), flags(0), lock_type(0),
- inode_export_v(0), srcdn_auth(MDS_RANK_NONE) { }
-private:
- ~MMDSSlaveRequest() override {}
-
-public:
- void encode_payload(uint64_t features) override {
- ::encode(reqid, payload);
- ::encode(attempt, payload);
- ::encode(op, payload);
- ::encode(flags, payload);
- ::encode(lock_type, payload);
- ::encode(object_info, payload);
- ::encode(authpins, payload);
- ::encode(srcdnpath, payload);
- ::encode(destdnpath, payload);
- ::encode(witnesses, payload);
- ::encode(op_stamp, payload);
- ::encode(inode_export, payload);
- ::encode(inode_export_v, payload);
- ::encode(srcdn_auth, payload);
- ::encode(srci_replica, payload);
- ::encode(stray, payload);
- }
- void decode_payload() override {
- bufferlist::iterator p = payload.begin();
- ::decode(reqid, p);
- ::decode(attempt, p);
- ::decode(op, p);
- ::decode(flags, p);
- ::decode(lock_type, p);
- ::decode(object_info, p);
- ::decode(authpins, p);
- ::decode(srcdnpath, p);
- ::decode(destdnpath, p);
- ::decode(witnesses, p);
- ::decode(op_stamp, p);
- ::decode(inode_export, p);
- ::decode(inode_export_v, p);
- ::decode(srcdn_auth, p);
- ::decode(srci_replica, p);
- ::decode(stray, p);
- }
-
- const char *get_type_name() const override { return "slave_request"; }
- void print(ostream& out) const override {
- out << "slave_request(" << reqid
- << "." << attempt
- << " " << get_opname(op)
- << ")";
- }
-
-};
-
-#endif
Code Review / stor4nfv.git / blobdiff