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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_COMMON_JOURNALD_H
#define CEPH_COMMON_JOURNALD_H
#include "acconfig.h"
#include <memory>
#include <sys/types.h>
#include <sys/socket.h>
struct LogEntry;
namespace ceph::logging {
class Entry;
class SubsystemMap;
#ifdef WITH_SYSTEMD
namespace detail {
class EntryEncoder;
class LogEntryEncoder;
class JournaldClient {
public:
JournaldClient();
~JournaldClient();
int send();
struct msghdr m_msghdr;
private:
int fd;
enum class MemFileMode;
MemFileMode mem_file_mode;
void detect_mem_file_mode();
int open_mem_file();
};
}
/**
* Logger to send local logs to journald
*
* local logs means @code dout(0) << ... @endcode and similars
*
* @see JournaldClusterLogger
*/
class JournaldLogger {
public:
JournaldLogger(const SubsystemMap *s);
~JournaldLogger();
/**
* @returns 0 if log entry is successfully sent, -1 otherwise.
*/
int log_entry(const Entry &e);
private:
detail::JournaldClient client;
std::unique_ptr<detail::EntryEncoder> m_entry_encoder;
const SubsystemMap * m_subs;
};
/**
* Logger to send cluster log recieved by MON to journald
*
* @see JournaldLogger
*/
class JournaldClusterLogger {
public:
JournaldClusterLogger();
~JournaldClusterLogger();
/**
* @returns 0 if log entry is successfully sent, -1 otherwise.
*/
int log_log_entry(const LogEntry &le);
private:
detail::JournaldClient client;
std::unique_ptr<detail::LogEntryEncoder> m_log_entry_encoder;
};
#else // WITH_SYSTEMD
class JournaldLogger {
public:
JournaldLogger(const SubsystemMap *) {}
int log_entry(const Entry &) {
return 0;
}
};
class JournaldClusterLogger {
public:
int log_log_entry(const LogEntry &le) {
return 0;
}
};
#endif // WITH_SYSTEMD
} // ceph::logging
#endif
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