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 #include "common/config.h"
21 #include "events/ESubtreeMap.h"
22 #include "events/EExport.h"
23 #include "events/EImportStart.h"
24 #include "events/EImportFinish.h"
25 #include "events/EFragment.h"
27 #include "events/EResetJournal.h"
28 #include "events/ESession.h"
29 #include "events/ESessions.h"
31 #include "events/EUpdate.h"
32 #include "events/ESlaveUpdate.h"
33 #include "events/EOpen.h"
34 #include "events/ECommitted.h"
36 #include "events/ETableClient.h"
37 #include "events/ETableServer.h"
39 #include "events/ENoOp.h"
41 #define dout_context g_ceph_context
44 LogEvent *LogEvent::decode(bufferlist& bl)
47 bufferlist::iterator p = bl.begin();
49 LogEvent *event = NULL;
52 if (EVENT_NEW_ENCODING == type) {
56 event = decode_event(bl, p, type);
59 catch (const buffer::error &e) {
60 generic_dout(0) << "failed to decode LogEvent (type maybe " << type << ")" << dendl;
63 } else { // we are using classic encoding
64 event = decode_event(bl, p, type);
70 std::string LogEvent::get_type_str() const
73 case EVENT_SUBTREEMAP: return "SUBTREEMAP";
74 case EVENT_SUBTREEMAP_TEST: return "SUBTREEMAP_TEST";
75 case EVENT_EXPORT: return "EXPORT";
76 case EVENT_IMPORTSTART: return "IMPORTSTART";
77 case EVENT_IMPORTFINISH: return "IMPORTFINISH";
78 case EVENT_FRAGMENT: return "FRAGMENT";
79 case EVENT_RESETJOURNAL: return "RESETJOURNAL";
80 case EVENT_SESSION: return "SESSION";
81 case EVENT_SESSIONS_OLD: return "SESSIONS_OLD";
82 case EVENT_SESSIONS: return "SESSIONS";
83 case EVENT_UPDATE: return "UPDATE";
84 case EVENT_SLAVEUPDATE: return "SLAVEUPDATE";
85 case EVENT_OPEN: return "OPEN";
86 case EVENT_COMMITTED: return "COMMITTED";
87 case EVENT_TABLECLIENT: return "TABLECLIENT";
88 case EVENT_TABLESERVER: return "TABLESERVER";
89 case EVENT_NOOP: return "NOOP";
92 generic_dout(0) << "get_type_str: unknown type " << _type << dendl;
99 * Resolve type string to type enum
101 * Return -1 if not found
103 LogEvent::EventType LogEvent::str_to_type(std::string const &str)
105 std::map<std::string, EventType> types;
106 types["SUBTREEMAP"] = EVENT_SUBTREEMAP;
107 types["SUBTREEMAP_TEST"] = EVENT_SUBTREEMAP_TEST;
108 types["EXPORT"] = EVENT_EXPORT;
109 types["IMPORTSTART"] = EVENT_IMPORTSTART;
110 types["IMPORTFINISH"] = EVENT_IMPORTFINISH;
111 types["FRAGMENT"] = EVENT_FRAGMENT;
112 types["RESETJOURNAL"] = EVENT_RESETJOURNAL;
113 types["SESSION"] = EVENT_SESSION;
114 types["SESSIONS_OLD"] = EVENT_SESSIONS_OLD;
115 types["SESSIONS"] = EVENT_SESSIONS;
116 types["UPDATE"] = EVENT_UPDATE;
117 types["SLAVEUPDATE"] = EVENT_SLAVEUPDATE;
118 types["OPEN"] = EVENT_OPEN;
119 types["COMMITTED"] = EVENT_COMMITTED;
120 types["TABLECLIENT"] = EVENT_TABLECLIENT;
121 types["TABLESERVER"] = EVENT_TABLESERVER;
122 types["NOOP"] = EVENT_NOOP;
128 LogEvent *LogEvent::decode_event(bufferlist& bl, bufferlist::iterator& p, LogEvent::EventType type)
130 int length = bl.length() - p.get_off();
131 generic_dout(15) << "decode_log_event type " << type << ", size " << length << dendl;
136 case EVENT_SUBTREEMAP: le = new ESubtreeMap; break;
137 case EVENT_SUBTREEMAP_TEST:
138 le = new ESubtreeMap;
141 case EVENT_EXPORT: le = new EExport; break;
142 case EVENT_IMPORTSTART: le = new EImportStart; break;
143 case EVENT_IMPORTFINISH: le = new EImportFinish; break;
144 case EVENT_FRAGMENT: le = new EFragment; break;
146 case EVENT_RESETJOURNAL: le = new EResetJournal; break;
148 case EVENT_SESSION: le = new ESession; break;
149 case EVENT_SESSIONS_OLD: le = new ESessions; (static_cast<ESessions *>(le))->mark_old_encoding(); break;
150 case EVENT_SESSIONS: le = new ESessions; break;
152 case EVENT_UPDATE: le = new EUpdate; break;
153 case EVENT_SLAVEUPDATE: le = new ESlaveUpdate; break;
154 case EVENT_OPEN: le = new EOpen; break;
155 case EVENT_COMMITTED: le = new ECommitted; break;
157 case EVENT_TABLECLIENT: le = new ETableClient; break;
158 case EVENT_TABLESERVER: le = new ETableServer; break;
160 case EVENT_NOOP: le = new ENoOp; break;
163 generic_dout(0) << "uh oh, unknown log event type " << type << " length " << length << dendl;
171 catch (const buffer::error &e) {
172 generic_dout(0) << "failed to decode LogEvent type " << type << dendl;