prjxray/fuzzers/int_loop_check.py

159 lines
4.0 KiB
Python

#!/usr/bin/env python3
import sys, re
import os
import glob
import hashlib
# len(txt.split("\n"))) is off by 1
def wc(fn):
i = 0
with open(fn) as f:
for i, _l in enumerate(f, 1):
pass
return i
def bytehex(x):
return ''.join('{:02x}'.format(x) for x in x)
def calc_stable_iters(todo_dir, max_iter):
m5s = []
wcs = []
m5_last = None
stablen = 0
for fni in range(1, max_iter + 1, 1):
fn = "%s/%u_all.txt" % (todo_dir, fni)
txt = open(fn, "r").read()
m5 = hashlib.md5(txt.encode("ascii")).hexdigest()
m5s.append(m5)
wc_this = wc(fn)
wcs.append(wc_this)
if m5_last == m5:
stablen += 1
else:
stablen = 1
print(
"% 4u %s % 6u lines % 6u stable" %
(fni, m5[0:8], wc_this, stablen))
m5_last = m5
return stablen
def run(
todo_dir,
min_iters=None,
stable_iters=None,
timeout_iters=None,
max_iters=None,
zero_entries=None,
verbose=False):
timeout_fn = "%s/timeout" % todo_dir
# make clean removes todo dir, but helps debugging
if os.path.exists(timeout_fn):
print("WARNING: removing %s" % timeout_fn)
os.remove(timeout_fn)
alls = glob.glob("%s/*_all.txt" % todo_dir)
max_iter = 0
for fn in alls:
n = int(re.match(r".*/([0-9]*)_all.txt", fn).group(1))
max_iter = max(max_iter, n)
if max_iter == 0:
print("Incomplete: no iters")
sys.exit(1)
verbose and print("Max iter: %u, need: %s" % (max_iter, min_iters))
fn = "%s/%u_all.txt" % (todo_dir, max_iter)
txt = open(fn, "r").read()
nbytes = len(txt)
stablen = calc_stable_iters(todo_dir, max_iter)
if min_iters is not None and max_iter < min_iters:
print("Incomplete: not enough iters")
sys.exit(1)
if max_iters is not None and max_iter >= max_iters:
print(
"Complete: reached max iters (want %u, got %u)" %
(max_iters, max_iter))
sys.exit(0)
if timeout_iters is not None and max_iter > timeout_iters:
print("ERROR: timeout (max %u, got %u)" % (timeout_iters, max_iter))
with open(timeout_fn, "w") as _f:
pass
sys.exit(1)
if zero_entries and nbytes:
print("%s: %u bytes, %s lines" % (fn, nbytes, wc(fn)))
print("Incomplete: need zero entries")
sys.exit(1)
if stable_iters:
if stablen < stable_iters:
print(
"Incomplete: insufficient stable iters (got %s, need %s)" %
(stablen, stable_iters))
sys.exit(1)
print("Complete!")
sys.exit(0)
def main():
import argparse
parser = argparse.ArgumentParser(
description=
"Check int_loop completion. Exits 0 on done, 1 if more loops are needed"
)
parser.add_argument('--verbose', action='store_true', help='')
parser.add_argument('--todo-dir', default="build/todo", help='')
parser.add_argument(
'--min-iters', default=None, help='Minimum total number of iterations')
parser.add_argument(
'--stable-iters',
default=None,
help='Number of iterations without any change')
parser.add_argument(
'--timeout-iters',
default=None,
help='Max number of entries before creating todo/timeout')
parser.add_argument(
'--max-iters',
default=None,
help='Max number of entries before declaring success')
parser.add_argument(
'--zero-entries',
action="store_true",
help='Must be no unsolved entries in latest')
args = parser.parse_args()
def zint(x):
return None if x is None else int(x)
run(
args.todo_dir,
zint(args.min_iters),
zint(args.stable_iters),
zint(args.timeout_iters),
zint(args.max_iters),
args.zero_entries,
verbose=args.verbose)
if __name__ == '__main__':
main()