public int InitializeAeObjects(string url)
{
int connectResult = (int)EnumResultCode.E_FAIL;
m_executionOptions = new ExecutionOptions();
m_executionOptions.ExecutionType = EnumExecutionType.ASYNCHRONOUS;
m_executionOptions.ExecutionContext = 0;
try
{
m_aeSession = new MyAeSession(url);
m_aeSubscription = new MyAeSubscription(m_aeSession);
connectResult = m_aeSession.Connect(true, false, new ExecutionOptions());
uint[] categoryIds = new uint[]
{
(uint)CategoriesAndAttribute.Categories.System_alarm,
(uint)CategoriesAndAttribute.Categories.Process_alarm,
(uint)CategoriesAndAttribute.Categories.Operation_record
};
m_aeSubscription.FilterCategories = categoryIds;
AeReturnedAttributes[] returnedAttributes = new AeReturnedAttributes[categoryIds.Length];
for (int i = 0; i < categoryIds.Length; i++)
{
List <uint> temp = CategoriesAndAttribute.getAttributeIDsFromCategoryID(categoryIds[i]);
uint[] attributeIds = new uint[temp.Count];
attributeIds = temp.ToArray();
returnedAttributes[i] = new AeReturnedAttributes();
returnedAttributes[i].AttributeIds = attributeIds;
returnedAttributes[i].CategoryId = categoryIds[i];
}
m_aeSubscription.ReturnedAttributes = returnedAttributes;
}
catch (Exception exc)
{
GetApplication().Trace(
EnumTraceLevel.ERR,
EnumTraceGroup.USER,
"OpcClient::InitializeAeObjects",
exc.ToString());
} // end try...catch
return(connectResult);
} // end InitializeAeObjects
// method that handles the AeSubscription.AeEventsReceived event; it displays on the console the received events
public static void HandleEventsReceived(AeSubscription anAeSubscription, bool refresh, bool lastRefresh, AeEvent[] events)
{
for (int i = 0; i < events.Length; i++)
{
string time = events[i].OccurenceTime.AddHours(8).ToString();
string bitNumber = events[i].SourcePath;
string bitNumberDescribe = string.Empty;
string aeType = string.Empty;
string priority = events[i].Severity.ToString();
string realTimeValue = string.Empty;
string limitValue = string.Empty;
string engineeringUnit = string.Empty;
string aeDescribe = events[i].Message;
string device = string.Empty;
string area = string.Empty;
string operatingFloor = string.Empty;
string operatingPersonnel = string.Empty;
string extension_1 = string.Empty;
string extension_2 = string.Empty;
string extension_3 = string.Empty;
string extension_4 = string.Empty;
string extension_5 = string.Empty;
string messageType = events[i].Category.ToString();
string isDCS = string.Empty;
string aeSubType = string.Empty;
string areaNumber = string.Empty;
string stationNumber = string.Empty;
string alarmLevel = string.Empty;
string alarmOff = string.Empty;
string alarmBlink = string.Empty;
string alarmFilter = string.Empty;
string ackRequired = string.Empty;
string quality = string.Empty;
if (events[i].EventType == EnumEventType.CONDITION)
{
aeType = ((AeCondition)events[i]).ConditionName;
aeSubType = ((AeCondition)events[i]).SubConditionName;
ackRequired = ((AeCondition)events[i]).AckRequired.ToString();
quality = ((AeCondition)events[i]).Quality.ToString();
}
ArrayList attributes = events[i].Attributes;
List <string> temp = CategoriesAndAttribute.getAttributeNamesFromCategoryID(events[i].Category);
for (int j = 0; j < events[i].Attributes.Count; j++)
{
if (temp[j].Equals("Data_value"))
{
realTimeValue = attributes[j].ToString();
}
if (temp[j].Equals("Engineering_unit"))
{
engineeringUnit = attributes[j].ToString();
}
if (temp[j].Equals("Area_number"))
{
areaNumber = attributes[j].ToString();
}
if (temp[j].Equals("Station_number"))
{
stationNumber = attributes[j].ToString();
}
if (temp[j].Equals("Alarm_level"))
{
alarmLevel = attributes[j].ToString();
}
if (temp[j].Equals("Alarm_off"))
{
alarmOff = attributes[j].ToString();
}
if (temp[j].Equals("Alarm_blink"))
{
alarmBlink = attributes[j].ToString();
}
if (temp[j].Equals("Alarm_filter"))
{
alarmFilter = attributes[j].ToString();
}
}
AEInfos oneAEInfo = new AEInfos
{
Time = time,
BitNumber = bitNumber,
BitNumberDescribe = bitNumberDescribe,
AEType = aeType,
Priority = priority,
RealTimeValue = realTimeValue,
LimitValue = limitValue,
EngineeringUnit = engineeringUnit,
AEDescribe = aeDescribe,
Device = device,
Area = area,
OperatingFloor = operatingFloor,
OperatingPersonnel = operatingPersonnel,
Extension_1 = extension_1,
Extension_2 = extension_2,
Extension_3 = extension_3,
Extension_4 = extension_4,
Extension_5 = extension_5,
MessageType = messageType,
IsDCS = isDCS,
AESubType = aeSubType,
AreaNumber = areaNumber,
StationNumber = stationNumber,
AlarmLevel = alarmLevel,
AlarmOff = alarmOff,
AlarmBlink = alarmBlink,
AlarmFilter = alarmFilter,
AckRequired = ackRequired,
Quality = quality
};
MessageQueueTool.EnMessage(oneAEInfo);
File.AppendAllText(@"./AEInfos.json", JsonConvert.SerializeObject(oneAEInfo, Formatting.Indented) + "\n");
if (new FileInfo(@"./AEInfos.json").Length >= 50 * 1024 * 1024)
{
File.Delete(@"./AEInfos_backup.json");
File.Move(@"./AEInfos.json", @"./AEInfos_backup.json");
}
}//end for
}