async def writeY(data):
client = Client(data['opcUrl'])
client.name = "TOTO"
client.application_uri = "urn:freeopcua:clientasync"
async with client:
struct = client.get_node(
"ns=4;s=|var|CODESYS Control Win V3 x64.Application.GVL.intYPos")
await struct.write_value(data['yPos'], ua.VariantType.Int16)
async def read(data):
client = Client(data['opcUrl'])
client.name = "TOTO"
client.application_uri = "urn:freeopcua:clientasync"
async with client:
struct = client.get_node(
"ns=4;s=|var|CODESYS Control Win V3 x64.Application.GVL.stringStatus"
)
readVal = await struct.read_value()
return readVal
async def connectUa(data):
client = Client(data['opcUrl'])
client.name = "TOTO"
client.application_uri = "urn:freeopcua:clientasync"
try:
async with client:
struct = client.get_node(
ua.ObjectIds.Server_ServerStatus_CurrentTime)
time = await struct.read_value()
return time
except:
return 'failed'
async def readSubscribed(data):
oldVals = data['oldVals']
oldData = []
for val in oldVals:
dataOld = {'NodeID': val['NodeID'], 'Value': val['Value']}
oldData.append(dataOld)
client = Client(data['opcUrl'])
client.name = "TOTO"
client.application_uri = "urn:freeopcua:clientasync"
async with client:
for i in range(290):
returnVal = []
for nodeID in oldData:
struct = client.get_node(nodeID['NodeID'])
readVal = await struct.read_value()
data = {'NodeID': nodeID['NodeID'], 'Value': str(readVal)}
returnVal.append(data)
for i in returnVal:
if i not in oldData:
return returnVal
asyncio.sleep(0.1)
return