1 # Copyright (c) 2011, Google Inc. All rights reserved. 2 # 3 # Redistribution and use in source and binary forms, with or without 4 # modification, are permitted provided that the following conditions are 5 # met: 6 # 7 # * Redistributions of source code must retain the above copyright 8 # notice, this list of conditions and the following disclaimer. 9 # * Redistributions in binary form must reproduce the above 10 # copyright notice, this list of conditions and the following disclaimer 11 # in the documentation and/or other materials provided with the 12 # distribution. 13 # * Neither the name of Google Inc. nor the names of its 14 # contributors may be used to endorse or promote products derived from 15 # this software without specific prior written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 import re 30 31 32 class CrashLogs(object): 33 def __init__(self, host): 34 self._host = host 35 36 def find_newest_log(self, process_name, pid=None, include_errors=False, newer_than=None): 37 if self._host.platform.is_mac(): 38 return self._find_newest_log_darwin(process_name, pid, include_errors, newer_than) 39 return None 40 41 def _log_directory_darwin(self): 42 log_directory = self._host.filesystem.expanduser("~") 43 log_directory = self._host.filesystem.join(log_directory, "Library", "Logs") 44 if self._host.filesystem.exists(self._host.filesystem.join(log_directory, "DiagnosticReports")): 45 log_directory = self._host.filesystem.join(log_directory, "DiagnosticReports") 46 else: 47 log_directory = self._host.filesystem.join(log_directory, "CrashReporter") 48 return log_directory 49 50 def _find_newest_log_darwin(self, process_name, pid, include_errors, newer_than): 51 def is_crash_log(fs, dirpath, basename): 52 return basename.startswith(process_name + "_") and basename.endswith(".crash") 53 54 log_directory = self._log_directory_darwin() 55 logs = self._host.filesystem.files_under(log_directory, file_filter=is_crash_log) 56 first_line_regex = re.compile(r'^Process:\s+(?P<process_name>.*) \[(?P<pid>\d+)\]$') 57 errors = '' 58 for path in reversed(sorted(logs)): 59 try: 60 if not newer_than or self._host.filesystem.mtime(path) > newer_than: 61 f = self._host.filesystem.read_text_file(path) 62 match = first_line_regex.match(f[0:f.find('\n')]) 63 if match and match.group('process_name') == process_name and (pid is None or int(match.group('pid')) == pid): 64 return errors + f 65 except IOError, e: 66 if include_errors: 67 errors += "ERROR: Failed to read '%s': %s\n" % (path, str(e)) 68 except OSError, e: 69 if include_errors: 70 errors += "ERROR: Failed to read '%s': %s\n" % (path, str(e)) 71 72 if include_errors and errors: 73 return errors 74 return None 75
