I'm developing a driver that gets information from a REST API. I'm retrieving the ping status from the endpoint into the protocol.

The issue appears when this value changes (API Status) — the parameter does not refresh. To force an update, I need to restart the element on the DMA and show current status.

Get 200  status in Wireshark, Qaction detect this but don't refresh parameter

Qaction 101

using Skyline.DataMiner.Scripting;

using System;

using System.Net;

using System.Text.RegularExpressions;

public class TimeoutWebClient : WebClient

{

public int Timeout { get; set; }

public TimeoutWebClient(int timeout)

{

Timeout = timeout;

}

protected override WebRequest GetWebRequest(Uri address)

{

var request = base.GetWebRequest(address);

if (request != null)

{

request.Timeout = Timeout;

if (request is HttpWebRequest httpRequest)

{

httpRequest.ReadWriteTimeout = Timeout;

}

}

return request;

}

}

public class QAction

{

public void Run(Skyline.DataMiner.Scripting.SLProtocol protocol)

{

try

{

string ip = protocol.GetParameter(15) as string;

protocol.Log("IP : " + ip, LogType.Information);

if (string.IsNullOrEmpty(ip) || !ip.Contains("."))

{

protocol.SetParameter(10, "Fail");

protocol.Log("Invalid IP Address", LogType.Error);

return;

}

string url = $"http://{ip}/api/v1/system/network/ping";

var client = new TimeoutWebClient(180000);

client.Headers[HttpRequestHeader.ContentType] = "application/json";

string response = client.DownloadString(url);

protocol.Log("Raw response: " + response, LogType.Information);

var match = Regex.Match(response, "\"ping\"\\s*:\\s*\"([a-zA-Z]+)\"");

if (match.Success)

{

string pingValue = match.Groups[1].Value.ToLower();

protocol.Log("Ping Value: " + pingValue, LogType.Information);

if (pingValue == "ok")

{

protocol.SetParameter(10, "Normal");

}

else

{

protocol.SetParameter(10, "Fail");

}

}

else

{

protocol.SetParameter(10, "Fail");

protocol.Log("No match found in ping response", LogType.Information);

}

}

catch (WebException ex)

{

protocol.SetParameter(10, "Fail");

protocol.Log("Ping WebException: " + ex.Message, LogType.Error);

}

catch (Exception ex)

{

protocol.SetParameter(10, "Fail");

protocol.Log("Ping Exception: " + ex.Message, LogType.Error);

}

}

}

Protocol

<Paramid="10"trending="false"save="true">

<Name>ServerStatus</Name>

<Description>API Status</Description>

<Type>read</Type>

<Information>

<Includes>

<Include>time</Include>

<Include>range</Include>

<Include>steps</Include>

<Include>units</Include>

</Includes>

</Information>

<Interprete>

<RawType>other</RawType>

<Type>string</Type>

<LengthType>next param</LengthType>

</Interprete>

<Alarm>

<Monitored>true</Monitored>

<Normal>Normal</Normal>

<CH>Fail</CH>

</Alarm>

<Display>

<RTDisplay>true</RTDisplay>

<Positions>

<Position>

<Page>General</Page>

<Row>0</Row>

<Column>0</Column>

</Position>

</Positions>

</Display>

<Measurement>

<Type>string</Type>

</Measurement>

</Param>

</QAction>

<QActionid="101"name="PingCheck"encoding="csharp"triggers="10">

</QAction>

</QActions>

<Groups>

<Groupid="10">

<Name>Update Parameters basic</Name>

<Description>Updte info of Titan Live</Description>

<Type>poll</Type>

<Content>

<Param>11</Param>

<Param>12</Param>

<Param>14</Param>

<Param>15</Param>

</Content>

</Group>

<Groupid="20">

<Name>Update Parameters advance</Name>

<Description>Updte info of Titan Live</Description>

<Type>poll</Type>

<Content>

<Param>1101</Param>

<Param>1102</Param>

<Param>1103</Param>

<Param>1104</Param>

<Param>13</Param>

</Content>

</Group>

<Groupid="30">

<Name>Health Startup Group</Name>

<Type>poll action</Type>

<Description>Health API Module</Description>

<Content>

<Action>2</Action>

</Content>

</Group>

<Groupid="40">

<Name>Healthcheck module</Name>

<Type>poll action</Type>

<Description>Health API Module</Description>

<Content>

<Action>2</Action>

</Content>

</Group>

</Groups>

<Triggers>

<Triggerid="1">

<Name>Health trigger</Name>

<Time>after startup</Time>

<On>protocol</On>

<Type>action</Type>

<Content>

<Id>1</Id>

</Content>

</Trigger>

</Triggers>

<Actions>

<Actionid="1">

<Name>After Startup Health Trigger</Name>

<Onid="30">group</On>

<Type>execute</Type>

</Action>

<Actionid="2">

<Name>Call Health Trigger</Name>

<Onid="10">parameter</On>

<Type>run actions</Type>

</Action>

<Actionid="3">

<Name>Login Button Action</Name>

<Onid="300">parameter</On>

<Type>run actions</Type>

</Action>

<Actionid="4">

<Name>Healthcheck Module</Name>

<Onid="10">parameter</On>

<Type>increment</Type>

</Action>

</Actions>

<Timers>

<Timerid="1">

<Name>health check Module</Name>

<Timeinitial="true">160000</Time>

<Interval>180</Interval>

<Content>

<Group>10</Group>

</Content>

</Timer>

</Timers>