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py-sim-cabinets
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HwangKC 2025-03-11 14:54:07 +08:00
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3
.gitignore vendored 100644
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/*.log
.idea
venv

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config.json 100644
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55
config2.json 100644
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config3.json 100644
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config4.json 100644
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"type": "int"
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.5.9.0",
"Value": "19",
"Factor": "1",
"type": "random_number",
"RND": [
10,
35
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.5.10.0",
"Value": "30",
"Factor": "1",
"type": "random_number",
"RND": [
20,
56
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.1.0",
"Value": "1",
"Factor": "1",
"type": "int"
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.2.0",
"Value": "800",
"Factor": "10",
"type": "random_number",
"RND": [
800,
990
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.3.0",
"Value": "536",
"Factor": "10",
"type": "random_number",
"RND": [
520,
550
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.4.0",
"Value": "40",
"Factor": "10",
"type": "int"
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.5.0",
"Value": "3350",
"Factor": "1000",
"type": "random_number",
"RND": [
3000,
3478
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.6.0",
"Value": "3350",
"Factor": "1000",
"type": "random_number",
"RND": [
3000,
3478
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.7.0",
"Value": "3350",
"Factor": "1000",
"type": "random_number",
"RND": [
3000,
3478
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.8.0",
"Value": "19",
"Factor": "1",
"type": "random_number",
"RND": [
10,
35
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.29.0",
"Value": "270",
"Factor": "10",
"type": "random_number",
"RND": [
220,
350
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.30.0",
"Value": "270",
"Factor": "10",
"type": "random_number",
"RND": [
220,
350
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.31.0",
"Value": "370",
"Factor": "10",
"type": "random_number",
"RND": [
320,
450
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.32.0",
"Value": "40",
"Factor": "10",
"type": "int"
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.33.0",
"Value": "270",
"Factor": "10",
"type": "random_number",
"RND": [
220,
350
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.34.0",
"Value": "270",
"Factor": "10",
"type": "random_number",
"RND": [
220,
350
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.35.0",
"Value": "270",
"Factor": "10",
"type": "random_number",
"RND": [
220,
350
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.36.0",
"Value": "270",
"Factor": "10",
"type": "random_number",
"RND": [
220,
350
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.45.0",
"Value": "19",
"Factor": "10",
"type": "random_number",
"RND": [
10,
35
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.46.0",
"Value": "33410",
"Factor": "10",
"type": "random_number",
"RND": [
33400,
33910
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.47.0",
"Value": "1000",
"Factor": "10",
"type": "random_number",
"RND": [
999,
1000
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.49.0",
"Value": "1000",
"Factor": "10",
"type": "int"
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.50.0",
"Value": "1000",
"Factor": "10",
"type": "random_number",
"RND": [
890,
990
]
},
{
"OID": ".1.3.6.1.4.1.61626.1.1.4.6.51.0",
"Value": "50",
"Factor": "10",
"type": "int"
}
]
}
}

231
main.py 100644
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#!/usr/bin/python
# -*- coding: UTF-8 -*-
# __author__ = 'HKC'
import io
import logging
from logging.handlers import RotatingFileHandler
import json
import datetime
import time
import sys
import os
from paho.mqtt import client as mqtt_client
import random
import getopt
# 日志文件路径
LOG_FILE_PATH = "./gwsimulator.log"
CFG_FILE_PATH = "./config.json"
# create logger
logger = logging.getLogger(__name__)
DAEMON_MODE = 0
def log_setup():
if len(logger.handlers) == 0:
level = logging.DEBUG
if os.path.exists(LOG_FILE_PATH):
file_size = os.path.getsize(LOG_FILE_PATH)
if file_size > 15000000:
timestamp = time.mktime(datetime.datetime.now().timetuple())
time_fmt = datetime.datetime.fromtimestamp(timestamp).strftime("%Y%m%d_%H%M")
new_name = LOG_FILE_PATH + "." + time_fmt
os.rename(LOG_FILE_PATH, new_name)
time.sleep(1)
handler = RotatingFileHandler(LOG_FILE_PATH, mode='a', maxBytes=30 * 1024 * 1024, backupCount=10, encoding=None,
delay=False)
formatter = logging.Formatter(
"[%(asctime)s] [%(module)s.%(funcName)s][%(lineno)s] [%(levelname)s] : %(message)s")
handler.setFormatter(formatter)
if DAEMON_MODE == 0:
console_handler = logging.StreamHandler()
formatter = logging.Formatter("[%(asctime)s] [%(levelname)s] : %(message)s", "%Y-%m-%d %H:%M:%S")
console_handler.setFormatter(formatter)
logger.addHandler(console_handler)
logger.addHandler(handler)
logger.setLevel(level)
logger.info("===== log start, Welcome to the Earth ====")
# 保存异常信息
def dump_exception_msg(e, ip="127.0.0.1"):
exc_type, exc_value, exc_traceback = sys.exc_info()
msg = "[%s] %s %s %s" % (ip, sys._getframe(1).f_code.co_name, exc_type, exc_value)
logger.error( msg )
logger.exception(e)
def rand(lower_limit=None, upper_limit=None):
return random.randint(lower_limit, upper_limit)
class MqttConfigure:
def __init__(self):
self.broker_ip = '127.0.0.1'
self.port = 8764
self.username = 'username'
self.passwd = 'passwd'
self.publish_topic = 'public'
self.publish_interval = 5000
self.publish_qos = 0
self.subscribe_qos = 0
self.subscriber_topic = ''
self.client_id = f'python-mqtt-{random.randint(0, 1000)}'
self.max_publish_count = 0
class PublishData:
def __init__(self):
self.publish_data = {}
def read_configure(mqtt_conf=None, publish_data=None):
abspath = os.path.abspath(__file__)
json_path = os.path.dirname(abspath) + "/" + CFG_FILE_PATH # '/config.json'
try:
with io.open(json_path, 'r') as f:
json_data = json.load(f)
mqtt_conf.broker_ip = json_data['broker_ip']
mqtt_conf.port = json_data['port']
mqtt_conf.username = json_data['username']
mqtt_conf.passwd = json_data['passwd']
mqtt_conf.publish_topic = json_data['publish_topic']
mqtt_conf.publish_interval = json_data['publish_interval']
mqtt_conf.publish_qos = json_data['publish_qos']
mqtt_conf.subscribe_qos = json_data['subscribe_qos']
mqtt_conf.subscriber_topic = json_data['subcriber_topic']
mqtt_conf.client_id = json_data['client_id']
publish_data.publish_data = json_data['publish_data']
except Exception as e:
dump_exception_msg(e)
def pub_connect_mqtt():
def on_connect(client, userdata, flags, rc):
if rc == 0:
logger.info("Connected to MQTT Broker!")
else:
logger.error("Failed to connect, return code %d", rc)
client = mqtt_client.Client(protocol=3, client_id=mqtt_conf.client_id)
client.on_connect = on_connect
client.username_pw_set(username=mqtt_conf.username, password=mqtt_conf.passwd)
client.connect(host=mqtt_conf.broker_ip, port=mqtt_conf.port, keepalive=60)
time.sleep(1)
return client
def sub_connect_mqtt():
def on_connect(client, userdata, flags, rc):
if rc == 0:
logger.info("Connected to MQTT Broker!")
else:
logger.error("Failed to connect, return code %d", rc)
def on_message(client, userdata, msg):
logger.info(msg.topic + " " + str(msg.payload))
client = mqtt_client.Client(protocol=3,client_id=mqtt_conf.client_id)
client.on_connect = on_connect
client.on_message = on_message
client.username_pw_set(username=mqtt_conf.username, password=mqtt_conf.passwd)
client.connect(host=mqtt_conf.broker_ip, port=mqtt_conf.port, keepalive=60)
time.sleep(1)
return client
# 根据配置信息构建发布的报文消息
def build_publish_msg():
pd = publish_data.publish_data
msg = {"FsuCode": pd["FsuCode"], "type": pd["type"], "IdCodeContent": [],
"TimeStamp": time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())}
for one in pd["IdCodeContent"]:
idcode = one["OID"]
factor = one["Factor"]
t = one["type"]
value = one["Value"]
if t == "random_number":
lo = one["RND"][0]
up = one["RND"][1]
value = rand(lo, up)
msg['IdCodeContent'].append({
"OID": idcode,
"Factor": factor,
"Value": value
})
json_data = json.dumps(msg, ensure_ascii=False)
return json_data
def publish(client):
msg_count = 0
while True:
if mqtt_conf.max_publish_count != 0 and msg_count > mqtt_conf.max_publish_count:
break
msg = build_publish_msg()
result = client.publish(topic=mqtt_conf.publish_topic, payload=msg, qos=mqtt_conf.publish_qos)
# result: [0, 1]
status = result[0]
msg_count += 1
if status == 0:
logger.info(f"Send `#{msg_count}` message to topic `{mqtt_conf.publish_topic}`: `{msg}` ")
else:
logger.error(f"Failed to send `#{msg_count}` message to topic {mqtt_conf.publish_topic}")
time.sleep(mqtt_conf.publish_interval/1000)
if __name__ == '__main__':
log_setup()
try:
running_mode = "pub"
argv = sys.argv
if len(argv) == 1:
print('Usage: gwsimulator.py -m <pub|sub> -c <config_file.json>')
print(' or: gwsimulator.py --mode=pub|sub -c <config_file.json>')
sys.exit(2)
opts, args = getopt.getopt(argv[1:], "m:c:", ["mode=", "config="])
for opt, arg in opts:
if opt in ("-m", "--mode"):
running_mode = arg
elif opt in("-c", "--config"):
CFG_FILE_PATH = arg
else:
print('Usage: gwsimulator.py -m <pub|sub> -c <config_file.json>')
print(' or: gwsimulator.py --mode=pub|sub -c <config_file.json>')
sys.exit(2)
logger.info(f"Running in {running_mode} mode")
mqtt_conf = MqttConfigure()
publish_data = PublishData()
if sys.version_info >= (3, 0):
read_configure(mqtt_conf, publish_data)
else:
logger.error("I need python version > 3.0.0")
sys.exit(2)
if running_mode.lower() == "pub":
client = pub_connect_mqtt()
client.loop_start()
publish(client)
else:
client = sub_connect_mqtt()
client.subscribe(topic=mqtt_conf.subscriber_topic, qos=mqtt_conf.subscribe_qos)
client.loop_forever()
except KeyboardInterrupt:
logger.error("Disconnected from broker and EXIT")
client.disconnect()
logger.info("===== log end, I will be back ====")