def run_without_tunnel(self):
port = utils.get_open_port()
# run the side specified by self.run_first
cmd = ['python', self.cc_src, self.run_first, port]
sys.stderr.write('Running %s %s...\n' % (self.cc, self.run_first))
self.proc_first = Popen(cmd, preexec_fn=os.setsid)
# sleep just in case the process isn't quite listening yet
# the cleaner approach might be to try to verify the socket is open
time.sleep(self.run_first_setup_time)
self.test_start_time = utils.utc_time()
# run the other side specified by self.run_second
sh_cmd = 'python %s %s $MAHIMAHI_BASE %s' % (self.cc_src,
self.run_second, port)
sh_cmd = ' '.join(self.mm_cmd) + " -- sh -c '%s'" % sh_cmd
sys.stderr.write('Running %s %s...\n' % (self.cc, self.run_second))
self.proc_second = Popen(sh_cmd, shell=True, preexec_fn=os.setsid)
signal.signal(signal.SIGALRM, utils.timeout_handler)
signal.alarm(self.runtime)
try:
self.proc_first.wait()
self.proc_second.wait()
except utils.TimeoutError:
pass
else:
signal.alarm(0)
sys.stderr.write('Warning: test exited before time limit\n')
finally:
self.test_end_time = utils.utc_time()
return True
def run_without_tunnel(self):
port = utils.get_open_port()
# run the side specified by self.run_first
cmd = ['python', self.cc_src, self.run_first, port]
sys.stderr.write('Running %s %s...\n' % (self.cc, self.run_first))
self.proc_first = Popen(cmd, preexec_fn=os.setsid)
# sleep just in case the process isn't quite listening yet
# the cleaner approach might be to try to verify the socket is open
time.sleep(self.run_first_setup_time)
self.test_start_time = utils.utc_time()
# run the other side specified by self.run_second
sh_cmd = 'python %s %s $MAHIMAHI_BASE %s' % (
self.cc_src, self.run_second, port)
sh_cmd = ' '.join(self.mm_cmd) + " -- sh -c '%s'" % sh_cmd
sys.stderr.write('Running %s %s...\n' % (self.cc, self.run_second))
self.proc_second = Popen(sh_cmd, shell=True, preexec_fn=os.setsid)
signal.signal(signal.SIGALRM, utils.timeout_handler)
signal.alarm(self.runtime)
try:
self.proc_first.wait()
self.proc_second.wait()
except utils.TimeoutError:
pass
else:
signal.alarm(0)
sys.stderr.write('Warning: test exited before time limit\n')
finally:
self.test_end_time = utils.utc_time()
return True
def test_schemes(args):
wrappers_dir = path.join(context.src_dir, 'wrappers')
if args.all:
schemes = utils.parse_config()['schemes'].keys()
elif args.schemes is not None:
schemes = args.schemes.split()
for scheme in schemes:
sys.stderr.write('Testing %s...\n' % scheme)
src = path.join(wrappers_dir, scheme + '.py')
run_first = check_output([src, 'run_first']).strip()
run_second = 'receiver' if run_first == 'sender' else 'sender'
port = utils.get_open_port()
# run first to run
cmd = [src, run_first, port]
first_proc = Popen(cmd, preexec_fn=os.setsid)
# wait for 'run_first' to be ready
time.sleep(3)
# run second to run
cmd = [src, run_second, '127.0.0.1', port]
second_proc = Popen(cmd, preexec_fn=os.setsid)
# test lasts for 3 seconds
signal.signal(signal.SIGALRM, utils.timeout_handler)
signal.alarm(3)
try:
for proc in [first_proc, second_proc]:
proc.wait()
if proc.returncode != 0:
sys.exit('%s failed in tests' % scheme)
except utils.TimeoutError:
pass
except Exception as exception:
sys.exit('test_schemes.py: %s\n' % exception)
else:
signal.alarm(0)
sys.exit('test exited before time limit')
finally:
# cleanup
utils.kill_proc_group(first_proc)
utils.kill_proc_group(second_proc)
def run_first_side(self, tun_id, send_manager, recv_manager, send_pri_ip,
recv_pri_ip):
first_src = self.cc_src
second_src = self.cc_src
if self.run_first == 'receiver':
if self.mode == 'remote':
if self.sender_side == 'local':
first_src = self.r['cc_src']
else:
second_src = self.r['cc_src']
port = utils.get_open_port()
first_cmd = 'tunnel %s python %s receiver %s\n' % (tun_id,
first_src, port)
second_cmd = 'tunnel %s python %s sender %s %s\n' % (
tun_id, second_src, recv_pri_ip, port)
recv_manager.stdin.write(first_cmd)
recv_manager.stdin.flush()
elif self.run_first == 'sender': # self.run_first == 'sender'
if self.mode == 'remote':
if self.sender_side == 'local':
second_src = self.r['cc_src']
else:
first_src = self.r['cc_src']
port = utils.get_open_port()
first_cmd = 'tunnel %s python %s sender %s\n' % (tun_id, first_src,
port)
second_cmd = 'tunnel %s python %s receiver %s %s\n' % (
tun_id, second_src, send_pri_ip, port)
send_manager.stdin.write(first_cmd)
send_manager.stdin.flush()
# get run_first and run_second from the flow object
else:
assert (hasattr(self, 'flow_objs'))
flow = self.flow_objs[tun_id]
first_src = flow.cc_src_local
second_src = flow.cc_src_local
if flow.run_first == 'receiver':
if self.mode == 'remote':
if self.sender_side == 'local':
first_src = flow.cc_src_remote
else:
second_src = flow.cc_src_remote
port = utils.get_open_port()
first_cmd = 'tunnel %s python %s receiver %s\n' % (
tun_id, first_src, port)
second_cmd = 'tunnel %s python %s sender %s %s --extra-args=%s\n' % (
tun_id, second_src, recv_pri_ip, port,
self.extra_sender_args)
recv_manager.stdin.write(first_cmd)
recv_manager.stdin.flush()
else: # flow.run_first == 'sender'
if self.mode == 'remote':
if self.sender_side == 'local':
second_src = flow.cc_src_remote
else:
first_src = flow.cc_src_remote
port = utils.get_open_port()
first_cmd = 'tunnel %s python %s sender %s --extra-args=%s\n' % (
tun_id, first_src, port, self.extra_sender_args)
second_cmd = 'tunnel %s python %s receiver %s %s\n' % (
tun_id, second_src, send_pri_ip, port)
send_manager.stdin.write(first_cmd)
send_manager.stdin.flush()
return second_cmd
def run_first_side(self, tun_id, send_manager, recv_manager,
send_pri_ip, recv_pri_ip):
first_src = self.cc_src
second_src = self.cc_src
if self.run_first == 'receiver':
if self.mode == 'remote':
if self.sender_side == 'local':
first_src = self.r['cc_src']
else:
second_src = self.r['cc_src']
port = utils.get_open_port()
first_cmd = 'tunnel %s python %s receiver %s\n' % (
tun_id, first_src, port)
second_cmd = 'tunnel %s python %s sender %s %s\n' % (
tun_id, second_src, recv_pri_ip, port)
recv_manager.stdin.write(first_cmd)
recv_manager.stdin.flush()
elif self.run_first == 'sender': # self.run_first == 'sender'
if self.mode == 'remote':
if self.sender_side == 'local':
second_src = self.r['cc_src']
else:
first_src = self.r['cc_src']
port = utils.get_open_port()
first_cmd = 'tunnel %s python %s sender %s\n' % (
tun_id, first_src, port)
second_cmd = 'tunnel %s python %s receiver %s %s\n' % (
tun_id, second_src, send_pri_ip, port)
send_manager.stdin.write(first_cmd)
send_manager.stdin.flush()
# get run_first and run_second from the flow object
else:
assert(hasattr(self, 'flow_objs'))
flow = self.flow_objs[tun_id]
first_src = flow.cc_src_local
second_src = flow.cc_src_local
if flow.run_first == 'receiver':
if self.mode == 'remote':
if self.sender_side == 'local':
first_src = flow.cc_src_remote
else:
second_src = flow.cc_src_remote
port = utils.get_open_port()
first_cmd = 'tunnel %s python %s receiver %s\n' % (
tun_id, first_src, port)
second_cmd = 'tunnel %s python %s sender %s %s\n' % (
tun_id, second_src, recv_pri_ip, port)
recv_manager.stdin.write(first_cmd)
recv_manager.stdin.flush()
else: # flow.run_first == 'sender'
if self.mode == 'remote':
if self.sender_side == 'local':
second_src = flow.cc_src_remote
else:
first_src = flow.cc_src_remote
port = utils.get_open_port()
first_cmd = 'tunnel %s python %s sender %s\n' % (
tun_id, first_src, port)
second_cmd = 'tunnel %s python %s receiver %s %s\n' % (
tun_id, second_src, send_pri_ip, port)
send_manager.stdin.write(first_cmd)
send_manager.stdin.flush()
return second_cmd
