--- /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_LOGENTRY_H
+#define CEPH_LOGENTRY_H
+
+#include "include/utime.h"
+#include "msg/msg_types.h" // for entity_inst_t
+#include "common/entity_name.h"
+
+namespace ceph {
+ class Formatter;
+}
+
+typedef enum {
+ CLOG_DEBUG = 0,
+ CLOG_INFO = 1,
+ CLOG_SEC = 2,
+ CLOG_WARN = 3,
+ CLOG_ERROR = 4,
+ CLOG_UNKNOWN = -1,
+} clog_type;
+
+static const std::string CLOG_CHANNEL_NONE = "none";
+static const std::string CLOG_CHANNEL_DEFAULT = "cluster";
+static const std::string CLOG_CHANNEL_CLUSTER = "cluster";
+static const std::string CLOG_CHANNEL_AUDIT = "audit";
+
+// this is the key name used in the config options for the default, e.g.
+// default=true foo=false bar=false
+static const std::string CLOG_CONFIG_DEFAULT_KEY = "default";
+
+/*
+ * Given a clog log_type, return the equivalent syslog priority
+ */
+int clog_type_to_syslog_level(clog_type t);
+
+clog_type string_to_clog_type(const string& s);
+int string_to_syslog_level(string s);
+int string_to_syslog_facility(string s);
+
+string clog_type_to_string(clog_type t);
+
+
+struct LogEntryKey {
+private:
+ uint64_t _hash = 0;
+
+ void _calc_hash() {
+ hash<entity_inst_t> h;
+ _hash = seq + h(who);
+ }
+
+ entity_inst_t who;
+ utime_t stamp;
+ uint64_t seq = 0;
+
+public:
+ LogEntryKey() {}
+ LogEntryKey(const entity_inst_t& w, utime_t t, uint64_t s)
+ : who(w), stamp(t), seq(s) {
+ _calc_hash();
+ }
+
+ uint64_t get_hash() const {
+ return _hash;
+ }
+
+ void encode(bufferlist& bl, uint64_t features) const;
+ void decode(bufferlist::iterator& bl);
+ void dump(Formatter *f) const;
+ static void generate_test_instances(list<LogEntryKey*>& o);
+
+ friend bool operator==(const LogEntryKey& l, const LogEntryKey& r) {
+ return l.who == r.who && l.stamp == r.stamp && l.seq == r.seq;
+ }
+};
+WRITE_CLASS_ENCODER_FEATURES(LogEntryKey)
+
+namespace std {
+ template<> struct hash<LogEntryKey> {
+ size_t operator()(const LogEntryKey& r) const {
+ return r.get_hash();
+ }
+ };
+} // namespace std
+
+struct LogEntry {
+ entity_inst_t who;
+ EntityName name;
+ utime_t stamp;
+ uint64_t seq;
+ clog_type prio;
+ string msg;
+ string channel;
+
+ LogEntry() : seq(0), prio(CLOG_DEBUG) {}
+
+ LogEntryKey key() const { return LogEntryKey(who, stamp, seq); }
+
+ void log_to_syslog(string level, string facility);
+
+ void encode(bufferlist& bl, uint64_t features) const;
+ void decode(bufferlist::iterator& bl);
+ void dump(Formatter *f) const;
+ static void generate_test_instances(list<LogEntry*>& o);
+ static clog_type str_to_level(std::string const &str);
+};
+WRITE_CLASS_ENCODER_FEATURES(LogEntry)
+
+struct LogSummary {
+ version_t version;
+ list<LogEntry> tail;
+ ceph::unordered_set<LogEntryKey> keys;
+
+ LogSummary() : version(0) {}
+
+ void add(const LogEntry& e) {
+ tail.push_back(e);
+ keys.insert(tail.back().key());
+ }
+ void prune(size_t max) {
+ while (tail.size() > max) {
+ keys.erase(tail.front().key());
+ tail.pop_front();
+ }
+ }
+ bool contains(const LogEntryKey& k) const {
+ return keys.count(k);
+ }
+
+ void encode(bufferlist& bl, uint64_t features) const;
+ void decode(bufferlist::iterator& bl);
+ void dump(Formatter *f) const;
+ static void generate_test_instances(list<LogSummary*>& o);
+};
+WRITE_CLASS_ENCODER_FEATURES(LogSummary)
+
+inline ostream& operator<<(ostream& out, const clog_type t)
+{
+ switch (t) {
+ case CLOG_DEBUG:
+ return out << "[DBG]";
+ case CLOG_INFO:
+ return out << "[INF]";
+ case CLOG_SEC:
+ return out << "[SEC]";
+ case CLOG_WARN:
+ return out << "[WRN]";
+ case CLOG_ERROR:
+ return out << "[ERR]";
+ default:
+ return out << "[???]";
+ }
+}
+
+inline ostream& operator<<(ostream& out, const LogEntry& e)
+{
+ return out << e.stamp << " " << e.name << " " << e.who
+ << " " << e.seq << " : "
+ << e.channel << " " << e.prio << " " << e.msg;
+}
+
+#endif