RAK8212/BG96 tcp close socket anomaly

Gordon,
the close() issue is fixed, but the sending of the remaining data seems to be lingering.

>sendCloud()
Length:406 {"measurements":[{"source":{"id":"1234567"},"time":"","type":"CurrentSensor","c8y_CurrentMeasurement":{"Sensor1":{"value":11.1,"unit":"A"},"Sensor2":{"value":22.2,"unit":"A"},"Sensor3":{"value":33.3,"unit":"A"},"Sensor4":{"value":44.4,"unit":"A"}}},{"source":{"id":"1234567"},"time":"","type":"c8y_SignalStrength","c8y_SignalStrength":{"rssi":{"value":"99","unit":"dBm"},"BER":{"value":"99","unit":"%"}}}]}
================================
["AT+QIOPEN=1,0,\"TCP\",\"11.222.33.123\",80,0,1\r\n"
=undefined
] "\r\nOK\r\n"
] "\r\n+QIOPEN: 0,0\r\n"
] "\r\n>"
] " "
["POST /peppap/xxx HTTP/1.1\r\nUser-Agent: Espruino 1v99.225\r\nConnection: close\r\nContent-Type: application/json\r\nContent-Length: 406\r\nAuthorization: Basic NannyPlumRulesYWRp==\r\nHost: \r\n\r\n{\"measurements\":[{\"source\":{\"id\":\"1234567\"},\"time\":\"\",\"type\":\"CurrentSensor\",\"c8y_CurrentMeasurement\":{\"Sensor1\":{\"value\":11.1,\"unit\":\"A\"},\"Sensor2\":{\"value\":22.2,\"unit\":\"A\"},\"Sensor3\":{\"value\":33.3,\"unit\":\"A\"},\"Sensor4\":{\"value\":44.4,\"unit\":\"A\"}}},{\"source\":{\"id\":\"1234567\"},\"time\":\"\",\"type\":\"c8y_SignalStrength\",\"c8y_SignalStrength\":{\"rssi\":{\"value\":\""
] "\r\nSEND OK\r\n"
>state()
=undefined
] "\r\n+QISTATE: 0,\""
] "TCP\",\"11.123.33.123\",80,14516,2,1,0,1,\"uart1\"\r\n\r\nOK\r\n"
>close(0)
=undefined
] "\r\nOK\r\n"
>state()
=undefined
] "\r\nOK\r\n"
>sendCloud()
Length:406 {"measurements":[{"source":{"id":"1234567"},"time":"","type":"CurrentSensor","c8y_CurrentMeasurement":{"Sensor1":{"value":11.1,"unit":"A"},"Sensor2":{"value":22.2,"unit":"A"},"Sensor3":{"value":33.3,"unit":"A"},"Sensor4":{"value":44.4,"unit":"A"}}},{"source":{"id":"1234567"},"time":"","type":"c8y_SignalStrength","c8y_SignalStrength":{"rssi":{"value":"99","unit":"dBm"},"BER":{"value":"99","unit":"%"}}}]}
================================
["AT+QIOPEN=1,1,\"TCP\",\"11.123.44.123\",80,0,1\r\n"
=undefined
] "\r\nOK\r\n"
] "\r\n+QIOPEN: 1,0\r\n"
] "\r\nERROR\r\n"
["99\",\"unit\":\"dBm\"},\"BER\":{\"value\":\"99\",\"unit\":\"%\"}}}]}"
>close(0)
=undefined
] "\r\nOK\r\n"
> 

We can see on the second invocation of sendCloud() that it 'knows' about the left over data, but the send fails.

  options = {
    host: CLOUD_PROVIDER,
      port: '80',
      path: "/peppap/xxx",
      method:'POST',      
      headers: {"Content-Type":"application/json", 
                "Content-Length": body.length,
                "Authorization":  CUMULOCITY_AUTH,
                "Host":""
               }
  };
  //print(options);
  print(`Length:${body.length} ${body}`);
  console.log("================================");
 
   var req = http.request(options, function(res)  {
    res.on('data', function(data) {
      console.log("-->"+data);
    });
    res.on('close', function(data) {
      console.log("==> Closed.");
    });
  });
  req.end(body);