2012-09-18 14:08:31 +00:00
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#!/usr/bin/env python
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2014-03-14 21:09:05 +00:00
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# Copyright (C) 2012-2014 Bastian Kleineidam
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2012-09-18 14:08:31 +00:00
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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"""
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Analyze a memory dump by the meliae module.
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"""
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import sys
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import os
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import codecs
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2020-05-14 19:15:28 +00:00
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import html
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2012-09-18 14:08:31 +00:00
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from linkcheck import strformat
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2020-05-26 19:20:57 +00:00
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2020-05-16 19:19:42 +00:00
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def main(filename):
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2012-09-18 14:08:31 +00:00
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om = print_memorydump(filename)
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dirname, basename = os.path.split(filename)
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basename = os.path.splitext(basename)[0]
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basedir = os.path.join(dirname, basename)
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if not os.path.isdir(basedir):
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os.mkdir(basedir)
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write_htmlfiles(om, basedir)
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2020-05-26 19:20:57 +00:00
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2012-09-18 14:08:31 +00:00
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def print_memorydump(filename):
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from meliae import loader
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2020-05-26 19:20:57 +00:00
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2012-09-18 14:08:31 +00:00
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om = loader.load(filename, collapse=True)
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om.remove_expensive_references()
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2020-05-26 19:20:57 +00:00
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print(om.summarize())
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2012-09-18 14:08:31 +00:00
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return om
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2020-05-26 19:20:57 +00:00
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2012-09-18 14:08:31 +00:00
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def write_htmlfiles(om, basedir):
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om.compute_parents()
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open_files = {}
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for obj in om.objs.itervalues():
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fp = get_file(obj.type_str, open_files, basedir)
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write_html_obj(fp, obj, om.objs)
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close_files(open_files)
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2020-05-26 19:20:57 +00:00
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2012-09-18 14:08:31 +00:00
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def get_file(type_str, open_files, basedir):
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"""Get already opened file, or open and initialize a new one."""
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if type_str not in open_files:
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2020-05-26 19:20:57 +00:00
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filename = type_str + ".html"
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encoding = "utf-8"
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fd = codecs.open(os.path.join(basedir, filename), "w", encoding)
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2012-09-18 14:08:31 +00:00
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open_files[type_str] = fd
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write_html_header(fd, type_str, encoding)
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2012-10-10 10:26:19 +00:00
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return open_files[type_str]
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2012-09-18 14:08:31 +00:00
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2020-05-26 19:20:57 +00:00
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2012-09-18 14:08:31 +00:00
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def close_files(open_files):
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for fp in open_files.values():
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write_html_footer(fp)
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fp.close()
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2020-05-26 19:20:57 +00:00
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2020-04-30 19:11:59 +00:00
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HtmlHeader = """
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2012-09-18 14:08:31 +00:00
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<!doctype html>
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<head>
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<meta charset="%s">
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</head>
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<body>
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"""
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2020-05-26 19:20:57 +00:00
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2012-09-18 14:08:31 +00:00
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def write_html_header(fp, type_str, encoding):
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fp.write(HtmlHeader % encoding)
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2020-04-30 19:11:59 +00:00
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fp.write("<h1>Type %s</h1>\n" % type_str)
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2020-05-26 19:20:57 +00:00
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fp.write(
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2020-05-26 19:20:57 +00:00
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"<table><tr><th>Address</th><th>Name</th><th>Size</th><th>Parents</th>"
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"<th>References</th></tr>\n"
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2020-05-26 19:20:57 +00:00
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)
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2012-09-18 14:08:31 +00:00
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def get_children(obj, objs):
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res = []
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for address in obj.children:
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if address in objs:
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child = objs[address]
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2020-04-30 19:11:59 +00:00
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url = "#%d" % address
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2012-09-18 14:08:31 +00:00
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if child.type_str != obj.type_str:
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2020-04-30 19:11:59 +00:00
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url = child.type_str + ".html" + url
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entry = '<a href="%s">%d</a>' % (url, address)
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2012-09-18 14:08:31 +00:00
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else:
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2020-04-30 19:11:59 +00:00
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entry = "%d" % address
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2012-09-18 14:08:31 +00:00
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res.append(entry)
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return res
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2020-05-26 19:20:57 +00:00
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2012-09-18 14:08:31 +00:00
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def get_parents(obj, objs):
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res = []
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for address in obj.parents:
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if address in objs:
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parent = objs[address]
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2020-04-30 19:11:59 +00:00
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url = "#%d" % address
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2012-09-18 14:08:31 +00:00
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if parent.type_str != obj.type_str:
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2020-04-30 19:11:59 +00:00
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url = parent.type_str + ".html" + url
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entry = '<a href="%s">%d</a>' % (url, address)
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2012-09-18 14:08:31 +00:00
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else:
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entry = "%d" % address
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2012-09-18 14:08:31 +00:00
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res.append(entry)
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return res
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2020-05-26 19:20:57 +00:00
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2012-09-18 14:08:31 +00:00
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def write_html_obj(fp, obj, objs):
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if obj.value is None:
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2020-04-30 19:11:59 +00:00
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value = "None"
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2012-09-18 14:08:31 +00:00
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else:
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2020-05-14 19:15:28 +00:00
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value = html.escape(str(obj.value))
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2012-09-18 14:08:31 +00:00
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attrs = dict(
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address=obj.address,
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size=strformat.strsize(obj.size),
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2020-04-30 19:11:59 +00:00
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children=",".join(get_children(obj, objs)),
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parents=",".join(get_parents(obj, objs)),
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2012-09-18 14:08:31 +00:00
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value=value,
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)
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2020-05-26 19:20:57 +00:00
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fp.write(
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2020-05-26 19:20:57 +00:00
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"<tr><td>%(address)d</td><td>%(value)s</td><td>%(size)s</td>"
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"<td>%(children)s</td></tr>\n" % attrs
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2020-05-26 19:20:57 +00:00
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)
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2012-09-18 14:08:31 +00:00
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def write_html_footer(fp):
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2020-04-30 19:11:59 +00:00
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fp.write("</table></body></html>")
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2012-09-18 14:08:31 +00:00
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2020-05-26 19:20:57 +00:00
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if __name__ == "__main__":
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2012-09-18 14:08:31 +00:00
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filename = sys.argv[1]
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main(filename)
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