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update

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narawat lamaiin
2025-06-10 10:16:31 +07:00
parent 42378714a0
commit 93aa0ee1ac
1 changed files with 15 additions and 10 deletions
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17
src/communication.jl
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@@ -154,7 +154,7 @@ function mqttClientInstance_v2(
keepaliveChannel::Channel, # used for checkMqttConnection(). user needs to specify because it has to be accessible by user-defined onMsgCallback() keepaliveChannel::Channel, # used for checkMqttConnection(). user needs to specify because it has to be accessible by user-defined onMsgCallback()
onMsgCallback::Function onMsgCallback::Function
; ;
clientId::Union{String,Nothing}=nothing, clientId::String="NA",
mqttBrokerPort::Integer=1883, mqttBrokerPort::Integer=1883,
keepaliveTopic::String= "/keepalive/$(uuid4snakecase())", keepaliveTopic::String= "/keepalive/$(uuid4snakecase())",
keepaliveCheckInterval::Integer=30, keepaliveCheckInterval::Integer=30,
@@ -170,7 +170,7 @@ function mqttClientInstance_v2(
end end
MQTTClient.subscribe(client, keepaliveTopic, onMsgCallback, qos=qos) MQTTClient.subscribe(client, keepaliveTopic, onMsgCallback, qos=qos)
keepaliveTopic = clientId === nothing ? keepaliveTopic : "/keepalive/$clientId" keepaliveTopic = clientId == "NA" ? keepaliveTopic : "/keepalive/$clientId"
instance = mqttClientInstance_v2( instance = mqttClientInstance_v2(
mqttBrokerAddress, mqttBrokerAddress,
@@ -416,7 +416,7 @@ end
----- -----
""" """
function checkMqttConnection!(mqttInstance::T; function checkMqttConnection!(mqttInstance::T;
keepaliveCheckInterval::Union{Integer, Nothing}=nothing)::Bool where {T<:mqttClientInstance} keepaliveCheckInterval::Union{Integer, Nothing}=nothing)::Union{Bool, Nothing} where {T<:mqttClientInstance}
interval = keepaliveCheckInterval !== nothing ? keepaliveCheckInterval : mqttInstance.keepaliveCheckInterval interval = keepaliveCheckInterval !== nothing ? keepaliveCheckInterval : mqttInstance.keepaliveCheckInterval
@@ -429,6 +429,7 @@ function checkMqttConnection!(mqttInstance::T;
end end
if intervaldiff > interval if intervaldiff > interval
connectionStatusStart = isMqttConnectionAlive(mqttInstance) # a flag to note whether the connection status has changed from false to true
while true while true
mqttConnStatus = isMqttConnectionAlive(mqttInstance) mqttConnStatus = isMqttConnectionAlive(mqttInstance)
if mqttConnStatus == false if mqttConnStatus == false
@@ -438,16 +439,20 @@ function checkMqttConnection!(mqttInstance::T;
mqttInstance.client, mqttInstance.connection = mqttInstance.client, mqttInstance.connection =
MakeConnection(mqttInstance.mqttBrokerAddress, MakeConnection(mqttInstance.mqttBrokerAddress,
mqttInstance.mqttBrokerPort) mqttInstance.mqttBrokerPort)
try
connect(mqttInstance.client, mqttInstance.connection) connect(mqttInstance.client, mqttInstance.connection)
for topic in mqttInstance.subtopic for topic in mqttInstance.subtopic
subscribe(mqttInstance.client, topic, mqttInstance.onMsgCallback, qos=mqttInstance.qos) subscribe(mqttInstance.client, topic, mqttInstance.onMsgCallback, qos=mqttInstance.qos)
end end
MQTTClient.subscribe(mqttInstance.client, mqttInstance.keepalivetopic, mqttInstance.onMsgCallback, qos=mqttInstance.qos) MQTTClient.subscribe(mqttInstance.client, mqttInstance.keepalivetopic, mqttInstance.onMsgCallback, qos=mqttInstance.qos)
catch
println("Failed to reconnect MQTT broker at $(mqttInstance.mqttBrokerAddress):$(mqttInstance.mqttBrokerPort) $(Dates.now())")
end
else else
mqttInstance.lastTimeMqttConnCheck = Dates.now() mqttInstance.lastTimeMqttConnCheck = Dates.now()
println("Reconnected to MQTT broker at $(mqttInstance.mqttBrokerAddress):$(mqttInstance.mqttBrokerPort)") if connectionStatusStart != mqttConnStatus
println("Reconnected to MQTT broker at $(mqttInstance.mqttBrokerAddress):$(mqttInstance.mqttBrokerPort) $(Dates.now())")
end
return mqttConnStatus return mqttConnStatus
end end
end end