| #!/usr/bin/env python2.7 |
| # Copyright 2017 gRPC authors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # Reads stdin to find chttp2_refcount log lines, and prints reference leaks |
| # to stdout |
| |
| import collections |
| import sys |
| import re |
| |
| |
| def new_obj(): |
| return ['destroy'] |
| |
| |
| outstanding = collections.defaultdict(new_obj) |
| |
| # Sample log line: |
| # chttp2:unref:0x629000005200 2->1 destroy [src/core/ext/transport/chttp2/transport/chttp2_transport.c:599] |
| |
| for line in sys.stdin: |
| m = re.search( |
| r'chttp2:( ref|unref):0x([a-fA-F0-9]+) [^ ]+ ([^[]+) \[(.*)\]', line) |
| if m: |
| if m.group(1) == ' ref': |
| outstanding[m.group(2)].append(m.group(3)) |
| else: |
| outstanding[m.group(2)].remove(m.group(3)) |
| |
| for obj, remaining in outstanding.items(): |
| if remaining: |
| print 'LEAKED: %s %r' % (obj, remaining) |