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from statistics import *
"""Misc statistics methods, pertaining to dir and session stat files"""
# This is the RPath of the directory statistics file, and the
# associated open file. It will hold a line of statistics for
# each directory that is backed up.
_dir_stats_rp = None
_dir_stats_fp = None
# This goes at the beginning of the directory statistics file and
# explains the format.
_dir_stats_header = """# rdiff-backup directory statistics file
#
# Each line is in the following format:
# RelativeDirName %s
""" % " ".join(StatsObj.stat_file_attrs)
def open_dir_stats_file():
"""Open directory statistics file, write header"""
global _dir_stats_fp, _dir_stats_rp
assert not _dir_stats_fp, "Directory file already open"
if Globals.compression: suffix = "data.gz"
else: suffix = "data"
_dir_stats_rp = Inc.get_inc(Globals.rbdir.append("directory_statistics"),
Time.curtime, suffix)
if _dir_stats_rp.lstat():
Log("Warning, statistics file %s already exists, appending" %
_dir_stats_rp.path, 2)
_dir_stats_fp = _dir_stats_rp.open("ab", Globals.compression)
else: _dir_stats_fp = _dir_stats_rp.open("wb", Globals.compression)
_dir_stats_fp.write(_dir_stats_header)
def write_dir_stats_line(statobj, index):
"""Write info from statobj about rpath to statistics file"""
if Globals.null_separator:
_dir_stats_fp.write(statobj.get_stats_line(index, None) + "\0")
else: _dir_stats_fp.write(statobj.get_stats_line(index) + "\n")
def close_dir_stats_file():
"""Close directory statistics file if its open"""
global _dir_stats_fp
if _dir_stats_fp:
_dir_stats_fp.close()
_dir_stats_fp = None
def write_session_statistics(statobj):
"""Write session statistics into file, log"""
stat_inc = Inc.get_inc(Globals.rbdir.append("session_statistics"),
Time.curtime, "data")
statobj.StartTime = Time.curtime
statobj.EndTime = time.time()
# include hardlink data and dir stats in size of increments
if Globals.preserve_hardlinks and Hardlink.final_inc:
# include hardlink data in size of increments
statobj.IncrementFiles += 1
statobj.IncrementFileSize += Hardlink.final_inc.getsize()
if _dir_stats_rp and _dir_stats_rp.lstat():
statobj.IncrementFiles += 1
statobj.IncrementFileSize += _dir_stats_rp.getsize()
statobj.write_stats_to_rp(stat_inc)
if Globals.print_statistics:
message = statobj.get_stats_logstring("Session statistics")
Log.log_to_file(message)
Globals.client_conn.sys.stdout.write(message)
from increment import *
import Hardlink
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