+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef __CEPH_LOG_ENTRY_H
-#define __CEPH_LOG_ENTRY_H
-
-#include "include/utime.h"
-#include "common/PrebufferedStreambuf.h"
-#include <pthread.h>
-#include <string>
-
-
-namespace ceph {
-namespace logging {
-
-struct Entry {
- utime_t m_stamp;
- pthread_t m_thread;
- short m_prio, m_subsys;
- Entry *m_next;
-
- PrebufferedStreambuf m_streambuf;
- size_t m_buf_len;
- size_t* m_exp_len;
- char m_static_buf[1];
-
- Entry()
- : m_thread(0), m_prio(0), m_subsys(0),
- m_next(NULL),
- m_streambuf(m_static_buf, sizeof(m_static_buf)),
- m_buf_len(sizeof(m_static_buf)),
- m_exp_len(NULL)
- {}
- Entry(utime_t s, pthread_t t, short pr, short sub,
- const char *msg = NULL)
- : m_stamp(s), m_thread(t), m_prio(pr), m_subsys(sub),
- m_next(NULL),
- m_streambuf(m_static_buf, sizeof(m_static_buf)),
- m_buf_len(sizeof(m_static_buf)),
- m_exp_len(NULL)
- {
- if (msg) {
- ostream os(&m_streambuf);
- os << msg;
- }
- }
- Entry(utime_t s, pthread_t t, short pr, short sub, char* buf, size_t buf_len, size_t* exp_len,
- const char *msg = NULL)
- : m_stamp(s), m_thread(t), m_prio(pr), m_subsys(sub),
- m_next(NULL),
- m_streambuf(buf, buf_len),
- m_buf_len(buf_len),
- m_exp_len(exp_len)
- {
- if (msg) {
- ostream os(&m_streambuf);
- os << msg;
- }
- }
-
- // function improves estimate for expected size of message
- void hint_size() {
- if (m_exp_len != NULL) {
- size_t size = m_streambuf.size();
- if (size > __atomic_load_n(m_exp_len, __ATOMIC_RELAXED)) {
- //log larger then expected, just expand
- __atomic_store_n(m_exp_len, size + 10, __ATOMIC_RELAXED);
- }
- else {
- //asymptotically adapt expected size to message size
- __atomic_store_n(m_exp_len, (size + 10 + m_buf_len*31) / 32, __ATOMIC_RELAXED);
- }
- }
- }
-
- void set_str(const std::string &s) {
- ostream os(&m_streambuf);
- os << s;
- }
-
- std::string get_str() const {
- return m_streambuf.get_str();
- }
-
- // returns current size of content
- size_t size() const {
- return m_streambuf.size();
- }
-
- // extracts up to avail chars of content
- int snprintf(char* dst, size_t avail) const {
- return m_streambuf.snprintf(dst, avail);
- }
-};
-
-}
-}
-
-#endif