update

src/communication.jl

@@ -533,8 +533,10 @@ end
     an outgoing message
 
 # Keyword Arguments
-  - `timeout::Integer`
-    time to wait for a response before error
+  - `timeout::Integer=60`
+    time in seconds to wait for a response before error
+  - `maxattempt::Integer=1`
+    maximum number of attempts to send and receive message
 
 # Return
   - `result::NamedTuple`
@@ -562,9 +564,6 @@ julia> outgoingMsg = Dict(
 julia> success, error, response = GeneralUtils.sendReceiveMqttMsg(outgoingMsg)
 ```
 
-# TODO
-  - [] update docs
-
 # Signature
 """
 function sendReceiveMqttMsg(outgoingMsg::Dict{Symbol, T};
@@ -595,7 +594,6 @@ function sendReceiveMqttMsg(outgoingMsg::Dict{Symbol, T};
 
   return response
 end
-
 function sendReceiveMqttMsg(mqttInstance::mqttClientInstance_v2, receivechannel::Symbol,
   outgoingMsg::Dict{Symbol, T}; timeout::Integer=60, maxattempt::Integer=1
   )::NamedTuple where {T<:Any}
@@ -645,12 +643,20 @@ end
 """ Send a message to specified MQTT topic then wait for reply.
 
 # Arguments
-  - `outgoingMsg::Dict`
-      an outgoing message
+  - `workDict::Dict`
+      A dictionary containing workspace data
+  - `incomingMsg::Dict`
+      The incoming message to process
+
+# Keyword Arguments
+  - `data`
+      Optional data to be transferred. Default is nothing.
 
 # Return
-  - `result::NamedTuple`
-    ( success= true, error= nothing )
+  - `result::Dict`
+      A dictionary containing either:
+      - Metadata about the data transfer session if initiating a new transfer
+      - The requested data part if responding to a data part request
 
 # Example
   ```jldoctest
@@ -670,9 +676,7 @@ end
   julia> success, error = GeneralUtils.sendMqttMsg(outgoingMsg)
   ```
 # TODO
-  - [x] implement crude version of this function
-  - [] update docs
-  - [] transfer multiple msg with the same mqtt connection. The transfer loop should be 
+  - [x] transfer multiple msg with the same mqtt connection. The transfer loop should be 
         implemented by passing mqttInstance into sendReceiveMqttMsg() so that 
         1-connection is used to send all data
   - [] partsize should be calculate from the fact that MQTT max size is 4MB (256MB theorectically)
@@ -789,7 +793,6 @@ function dataTransferOverMQTT_sender(workDict::Dict, incomingMsg::Dict; data=not
 
     return d
   end
-
 end
 
 """ Send a message to specified MQTT topic then wait for reply.