| # ================================================================================== |
| # Copyright (c) 2019 Nokia |
| # Copyright (c) 2018-2019 AT&T Intellectual Property. |
| # |
| # 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. |
| # ================================================================================== |
| import time |
| import random |
| import string |
| import os |
| import signal |
| import sys |
| from ricxappframe.rmr import rmr |
| |
| |
| # Demonstrate RMR cleanup |
| def signal_handler(sig, frame): |
| print("SIGINT received! Cleaning up RMR") |
| rmr.rmr_close(mrc) |
| print("Byeee") |
| sys.exit(0) |
| |
| |
| # Init rmr |
| mrc = rmr.rmr_init(b"4562", rmr.RMR_MAX_RCV_BYTES, 0x00) |
| while rmr.rmr_ready(mrc) == 0: |
| time.sleep(1) |
| print("not yet ready") |
| rmr.rmr_set_stimeout(mrc, 2) |
| 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[rmr.RMR_MS_MSG_STATE] == 12: |
| print("Nothing received yet") |
| else: |
| print("Ack Message received!: {}".format(summary)) |
| |
| time.sleep(1) |