def parse_fn(fn):
if(not isfile(fn)):
msg = "No trace found at filename %s" % (fn)
raise NoTraceException(msg)
contents = load_file(fn)
lines = contents.splitlines()
accum = list()
for line in lines:
ep = split_line(line)
if(ep == None):
continue
accum.append(tuple(ep))
return accum
def stop(self, name, *args, **kargs):
rootdir = kargs.get("trace_dir")
pidfile = joinpths(rootdir, name + ".pid")
stderr = joinpths(rootdir, name + ".stderr")
stdout = joinpths(rootdir, name + ".stdout")
tfname = Trace.trace_fn(rootdir, name)
if(isfile(pidfile) and isfile(tfname)):
pid = int(load_file(pidfile).strip())
killed = False
lastmsg = ""
attempts = 1
for attempt in range(0, MAX_KILL_TRY):
try:
os.kill(pid, signal.SIGKILL)
attempts += 1
except OSError as (ec, msg):
if(ec == errno.ESRCH):
killed = True
break
else:
lastmsg = msg
time.sleep(SLEEP_TIME)
#trash the files
if(killed):
LOG.info("Killed pid %s in %s attempts" % (str(pid), str(attempts)))
LOG.info("Removing pid file %s" % (pidfile))
unlink(pidfile)
LOG.info("Removing stderr file %s" % (stderr))
unlink(stderr)
LOG.info("Removing stdout file %s" % (stdout))
unlink(stdout)
LOG.info("Removing %s trace file %s" % (name, tfname))
unlink(tfname)
else:
msg = "Could not stop program named %s after %s attempts - [%s]" % (name, MAX_KILL_TRY, lastmsg)
raise StopException(msg)