# Copyright (c) 2011, Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import re
class CrashLogs(object):
def __init__(self, host):
self._host = host
def find_newest_log(self,
process_name,
pid=None,
include_errors=False,
newer_than=None):
if self._host.platform.is_mac():
return self._find_newest_log_darwin(process_name, pid,
include_errors, newer_than)
return None
def _log_directory_darwin(self):
log_directory = self._host.filesystem.expanduser('~')
log_directory = self._host.filesystem.join(log_directory, 'Library',
'Logs')
if self._host.filesystem.exists(
self._host.filesystem.join(log_directory,
'DiagnosticReports')):
log_directory = self._host.filesystem.join(log_directory,
'DiagnosticReports')
else:
log_directory = self._host.filesystem.join(log_directory,
'CrashReporter')
return log_directory
def _find_newest_log_darwin(self, process_name, pid, include_errors,
newer_than):
def is_crash_log(basename):
return basename.startswith(process_name +
'_') and basename.endswith('.crash')
log_directory = self._log_directory_darwin()
logs = self._host.filesystem.files_under(
log_directory,
file_filter=lambda fs, dirname, basename: is_crash_log(basename))
first_line_regex = re.compile(
r'^Process:\s+(?P<process_name>.*) \[(?P<pid>\d+)\]$')
errors = ''
for path in reversed(sorted(logs)):
try:
if (not newer_than
or self._host.filesystem.mtime(path) > newer_than):
contents = self._host.filesystem.read_text_file(path)
match = first_line_regex.match(
contents[0:contents.find('\n')])
if (match and match.group('process_name') == process_name
and
(pid is None or int(match.group('pid')) == pid)):
return errors + contents
except IOError as error:
if include_errors:
errors += "ERROR: Failed to read '%s': %s\n" % (path,
error)
except OSError as error:
if include_errors:
errors += "ERROR: Failed to read '%s': %s\n" % (path,
error)
if include_errors and errors:
return errors
return None
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