def send_burst(mrc, fmt, mtype=1, num=13, counter=0):
"""
Internal function to support test_rcv_all.
Send a burst of messages optionally giving the type, payload
and number to send.
"""
sbuf_send = rmr.rmr_alloc_msg(MRC_SEND, SIZE) # seed message buffer
for i in range(num):
payload = bytes(fmt % counter, "UTF-8")
counter += 1
rmr.set_payload_and_length(payload, sbuf_send)
sbuf_send.contents.mtype = mtype
max_retries = 5
while max_retries > 0:
sbuf_send = rmr.rmr_send_msg(mrc, sbuf_send)
ms = rmr.message_summary(sbuf_send)
if ms["message state"] != 10: # 10 is retry
break
max_retries -= 1
time.sleep(0.75)
assert ms["message state"] == 0
assert max_retries > 0
def test_send_rcv_subid_good():
"""
test send and receive where subid is used for routing
"""
pay = b"\x01\x00\x80"
test_mtype = 46656
test_subid = 777
# send a message
sbuf_send = rmr.rmr_alloc_msg(MRC_SEND,
3,
pay,
mtype=test_mtype,
sub_id=test_subid)
pre_send_summary = rmr.message_summary(sbuf_send)
sbuf_send = rmr.rmr_send_msg(MRC_SEND, sbuf_send)
send_summary = rmr.message_summary(sbuf_send)
# receive it in other context
time.sleep(0.5)
sbuf_rcv = rmr.rmr_alloc_msg(MRC_RCV, 3)
sbuf_rcv = rmr.rmr_torcv_msg(MRC_RCV, sbuf_rcv, 2000)
rcv_summary = rmr.message_summary(sbuf_rcv)
# asserts
assert send_summary["message state"] == rcv_summary["message state"] == 0
assert send_summary["message status"] == rcv_summary[
"message status"] == "RMR_OK"
assert pre_send_summary["payload"] == rcv_summary["payload"] == pay
assert pre_send_summary["message type"] == rcv_summary[
"message type"] == test_mtype
assert pre_send_summary["subscription id"] == rcv_summary[
"subscription id"] == test_subid
def test_send_rcv_subid_bad_mtype():
"""
test send and receive where subid is used for routing but nobody recieves this mtype
"""
sbuf_send = rmr.rmr_alloc_msg(MRC_SEND,
3,
b"\x01\x00\x80",
mtype=46657,
sub_id=777)
sbuf_send = rmr.rmr_send_msg(MRC_SEND, sbuf_send)
assert rmr.message_summary(sbuf_send)["message state"] == 2
assert rmr.message_summary(
sbuf_send)["message status"] == "RMR_ERR_NOENDPT"
def _send_msg(self, pay, mtype, subid):
"""
sends a msg
"""
for _ in range(0, RETRY_TIMES):
sbuf = rmr.rmr_alloc_msg(self.mrc,
len(pay),
payload=pay,
gen_transaction_id=True,
mtype=mtype,
sub_id=subid)
sbuf.contents.sub_id = subid
pre_send_summary = rmr.message_summary(sbuf)
sbuf = rmr.rmr_send_msg(self.mrc, sbuf) # send
if self._assert_good_send(sbuf, pre_send_summary):
rmr.rmr_free_msg(sbuf) # free
break
def test_send_rcv():
"""
test send and receive
"""
pay = b"\x01\x00\x80"
# send a message
sbuf_send = rmr.rmr_alloc_msg(MRC_SEND, SIZE)
_assert_new_sbuf(sbuf_send)
rmr.set_payload_and_length(pay, sbuf_send)
sbuf_send.contents.mtype = 0
sbuf_send = rmr.rmr_send_msg(MRC_SEND, sbuf_send)
send_summary = rmr.message_summary(sbuf_send)
assert send_summary[
"message state"] == 0 # if send fails don't attempt receive
assert send_summary["message status"] == "RMR_OK"
time.sleep(0.5)
# receive it in other context
sbuf_rcv = rmr.rmr_alloc_msg(MRC_RCV, SIZE)
sbuf_rcv = rmr.rmr_torcv_msg(MRC_RCV, sbuf_rcv, 2000)
rcv_summary = rmr.message_summary(sbuf_rcv)
assert rcv_summary["message state"] == 0
assert rcv_summary["message status"] == "RMR_OK"
assert rcv_summary["message type"] == 0
assert rcv_summary["payload"] == pay
# send an ACK back
ack_pay = b"message received"
sbuf_rcv = rmr.rmr_rts_msg(MRC_RCV, sbuf_rcv, payload=ack_pay, mtype=6666)
rcv_ack_summary = rmr.message_summary(sbuf_rcv)
# have the sender receive it
sbuf_send = rmr.rmr_torcv_msg(MRC_SEND, sbuf_send, 2000)
send_ack_summary = rmr.message_summary(sbuf_send)
assert send_ack_summary["message state"] == rcv_ack_summary[
"message state"] == 0
assert send_ack_summary["message status"] == rcv_ack_summary[
"message status"] == "RMR_OK"
assert send_ack_summary["payload"] == ack_pay
assert send_ack_summary["message type"] == 6666
def test_send_mock(monkeypatch):
"""
tests the send mock
"""
monkeypatch.setattr("rmr.rmr.rmr_send_msg",
rmr_mocks.send_mock_generator(12))
rmr_mocks.patch_rmr(monkeypatch)
sbuf = rmr.rmr_alloc_msg(MRC, SIZE)
rmr.set_payload_and_length("testttt".encode("utf8"), sbuf)
expected = {
"meid": None,
"message source": "localtest:80",
"message state": 0,
"message type": 0,
"message status": "RMR_OK",
"payload": b"testttt",
"payload length": 7,
"payload max size": 4096,
"subscription id": 0,
}
_partial_dict_comparison(expected, rmr.message_summary(sbuf))
# set the mtype
sbuf.contents.mtype = 666
# send it (the fake send sets the state, and touches nothing else)
sbuf = rmr.rmr_send_msg(MRC, sbuf)
expected = {
"meid": None,
"message source": "localtest:80",
"message state": 12,
"message type": 666,
"message status": "RMR_ERR_TIMEOUT",
"payload": None,
"payload length": 7,
"payload max size": 4096,
"subscription id": 0,
}
_partial_dict_comparison(expected, rmr.message_summary(sbuf))
mrc = rmr.rmr_init(PORT.encode("utf-8"), rmr.RMR_MAX_RCV_BYTES, rmr.RMRFL_MTCALL)
test_type = 1006001
while rmr.rmr_ready(mrc) == 0:
time.sleep(1)
print("not yet ready")
print("listening ON {}".format(PORT))
# loop
while True:
# do query
pay = {"policy_type_id": test_type}
sbuf_send = rmr.rmr_alloc_msg(mrc, 4096, payload=json.dumps(pay).encode("utf-8"), gen_transaction_id=True, mtype=20012)
sbuf_send = rmr.rmr_send_msg(mrc, sbuf_send)
post_send_summary = rmr.message_summary(sbuf_send)
if not (post_send_summary["message state"] == 0 and post_send_summary["message status"] == "RMR_OK"):
print("was unable to send query to a1!")
time.sleep(1)
else:
# query worked, wait 2 seconds, then receive everything we have
time.sleep(1)
print("reading messages")
# this is a hacked up version of rmr_rcvall_msgs in the rmr package
# we need the actual messages, not the summaries, to use rts
sbuf_rcv = rmr.rmr_alloc_msg(mrc, 4096) # allocate buffer to have something for a return status
while True:
sbuf_rcv = rmr.rmr_torcv_msg(mrc, sbuf_rcv, 0) # set the timeout to 0 so this doesn't block!!
sbuf = rmr.rmr_alloc_msg(mrc, 256)
# capture ctrl-c
signal.signal(signal.SIGINT, signal_handler)
while True:
# generate a random value between 1 and 256 bytes, then gen some random bytes with several nulls thrown in
for val in [
''.join([
random.choice(string.ascii_letters + string.digits)
for n in range(random.randint(1, 256))
]).encode("utf8"),
b"\x00" + os.urandom(4) + b"\x00" + os.urandom(4) + b"\x00"
]:
rmr.set_payload_and_length(val, sbuf)
rmr.generate_and_set_transaction_id(sbuf)
sbuf.contents.state = 0
sbuf.contents.mtype = 0
print("Pre send summary: {}".format(rmr.message_summary(sbuf)))
sbuf = rmr.rmr_send_msg(mrc, sbuf)
print("Post send summary: {}".format(rmr.message_summary(sbuf)))
print("Waiting for return, will timeout after 2000ms")
sbuf = rmr.rmr_torcv_msg(mrc, sbuf, 2000)
summary = rmr.message_summary(sbuf)
if summary['message state'] == 12:
print("Nothing received yet")
else:
print("Ack Message received!: {}".format(summary))
time.sleep(1)
