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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_LOGENTRY_H
#define CEPH_LOGENTRY_H
#include "include/types.h"
#include "include/encoding.h"
typedef enum {
CLOG_DEBUG = 0,
CLOG_INFO = 1,
CLOG_SEC = 2,
CLOG_WARN = 3,
CLOG_ERROR = 4,
} clog_type;
struct LogEntryKey {
entity_inst_t who;
utime_t stamp;
uint64_t seq;
LogEntryKey() {}
LogEntryKey(entity_inst_t w, utime_t t, uint64_t s) : who(w), stamp(t), seq(s) {}
void encode(bufferlist& bl) const {
::encode(who, bl);
::encode(stamp, bl);
::encode(seq, bl);
}
void decode(bufferlist::iterator& bl) {
::decode(who, bl);
::decode(stamp, bl);
::decode(seq, bl);
}
};
WRITE_CLASS_ENCODER(LogEntryKey)
static inline bool operator==(const LogEntryKey& l, const LogEntryKey& r) {
return l.who == r.who && l.stamp == r.stamp && l.seq == r.seq;
}
struct LogEntry {
entity_inst_t who;
utime_t stamp;
uint64_t seq;
clog_type type;
string msg;
LogEntryKey key() const { return LogEntryKey(who, stamp, seq); }
void encode(bufferlist& bl) const {
__u8 v = 1;
::encode(v, bl);
__u16 t = type;
::encode(who, bl);
::encode(stamp, bl);
::encode(seq, bl);
::encode(t, bl);
::encode(msg, bl);
}
void decode(bufferlist::iterator& bl) {
__u8 v;
::decode(v, bl);
__u16 t;
::decode(who, bl);
::decode(stamp, bl);
::decode(seq, bl);
::decode(t, bl);
type = (clog_type)t;
::decode(msg, bl);
}
};
WRITE_CLASS_ENCODER(LogEntry)
struct LogSummary {
version_t version;
list<LogEntry> tail;
LogSummary() : version(0) {}
void add(const LogEntry& e) {
tail.push_back(e);
while (tail.size() > 50)
tail.pop_front();
}
bool contains(LogEntryKey k) const {
for (list<LogEntry>::const_iterator p = tail.begin();
p != tail.end();
p++)
if (p->key() == k) return true;
return false;
}
void encode(bufferlist& bl) const {
__u8 v = 1;
::encode(v, bl);
::encode(version, bl);
::encode(tail, bl);
}
void decode(bufferlist::iterator& bl) {
__u8 v;
::decode(v, bl);
::decode(version, bl);
::decode(tail, bl);
}
};
WRITE_CLASS_ENCODER(LogSummary)
inline ostream& operator<<(ostream& out, clog_type t)
{
switch (t) {
case CLOG_DEBUG:
return out << "[DBG]";
case CLOG_INFO:
return out << "[INF]";
case CLOG_WARN:
return out << "[WRN]";
case CLOG_ERROR:
return out << "[ERR]";
case CLOG_SEC:
return out << "[SEC]";
default:
return out << "[???]";
}
}
inline ostream& operator<<(ostream& out, const LogEntry& e)
{
return out << e.stamp << " " << e.who << " " << e.seq << " : " << e.type << " " << e.msg;
}
#endif
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