def iot_device_data(sn=None, vsn=None):
sn = sn or frappe.form_dict.get('sn')
vsn = vsn or sn
doc = frappe.get_doc('IOT Device', sn)
doc.has_permission("read")
if vsn != sn:
if vsn not in iot_device_tree(sn):
return ""
cfg = iot_device_cfg(sn, vsn)
if not cfg:
return ""
client = redis.Redis.from_url(IOTHDBSettings.get_redis_server() + "/2")
hs = client.hgetall(vsn)
data = {}
if cfg.has_key("nodes"):
nodes = cfg.get("nodes")
for node in nodes:
tags = node.get("tags")
for tag in tags:
name = node.get("name")+"."+tag.get('name')
data[name] = {"PV": hs.get(name + ".PV"), "TM": hs.get(name + ".TM"), "Q": hs.get(name + ".Q"),
"DESC": tag.get("desc"), }
if cfg.has_key("tags"):
tags = cfg.get("tags")
for tag in tags:
name = tag.get('name')
data[name] = {"PV": hs.get(name + ".PV"), "TM": hs.get(name + ".TM"), "Q": hs.get(name + ".Q"),
"DESC": tag.get("desc"), }
return data
def iot_device_data_array(sn=None, vsn=None):
sn = sn or frappe.form_dict.get('sn')
vsn = vsn or sn
doc = frappe.get_doc('IOT Device', sn)
doc.has_permission("read")
if vsn != sn:
if vsn not in iot_device_tree(sn):
return ""
cfg = iot_device_cfg(sn, vsn)
if not cfg:
return ""
client = redis.Redis.from_url(IOTHDBSettings.get_redis_server() + "/2")
hs = client.hgetall(vsn)
data = []
if cfg.has_key("nodes"):
nodes = cfg.get("nodes")
for node in nodes:
tags = node.get("tags")
for tag in tags:
name = tag.get('name')
tt = hs.get(name + ".TM")
timestr = ''
if tt:
timestr = str(
convert_utc_to_user_timezone(
datetime.datetime.utcfromtimestamp(
int(int(tt) / 1000))).replace(tzinfo=None))
data.append({
"NAME": name,
"PV": hs.get(name + ".PV"), # "TM": hs.get(name + ".TM"),
"TM": timestr,
"Q": hs.get(name + ".Q"),
"DESC": tag.get("desc"),
})
if cfg.has_key("tags"):
tags = cfg.get("tags")
for tag in tags:
name = tag.get('name')
tt = hs.get(name + ".TM")
timestr = ''
if tt:
timestr = str(
convert_utc_to_user_timezone(
datetime.datetime.utcfromtimestamp(int(
int(tt) / 1000))).replace(tzinfo=None))
data.append({
"NAME": name,
"PV": hs.get(name + ".PV"), # "TM": hs.get(name + ".TM"),
"TM": timestr,
"Q": hs.get(name + ".Q"),
"DESC": tag.get("desc"),
})
return data
def iot_device_write():
ctrl = _dict(get_post_json_data())
doc = frappe.get_doc('IOT Device', ctrl.sn)
doc.has_permission("read")
cmd = {
"sn": ctrl.vsn,
"tag": ctrl.tag,
"nrsp": ctrl.nrsp,
"vt": ctrl.vt,
"val": ctrl.val,
"pris": ctrl.pris or uuid.uuid1()
}
client = redis.Redis.from_url(IOTHDBSettings.get_redis_server())
r = client.publish("ziotagwrites", json.dumps({"cmds": [cmd], "ver": 0}))
return {"result": r, "uuid": cmd["pris"]}
def iot_device_cfg(sn=None, vsn=None):
sn = sn or frappe.form_dict.get('sn')
doc = frappe.get_doc('IOT Device', sn)
doc.has_permission("read")
client = redis.Redis.from_url(IOTHDBSettings.get_redis_server() + "/0")
return json.loads(client.get(vsn or sn) or "")
def iot_device_tree(sn=None):
sn = sn or frappe.form_dict.get('sn')
doc = frappe.get_doc('IOT Device', sn)
doc.has_permission("read")
client = redis.Redis.from_url(IOTHDBSettings.get_redis_server() + "/1")
return client.lrange(sn, 0, -1)
