/// <summary>
/// Primary constructor
/// </summary>
/// <param name="opType">Enumeration that controls the behavior of the command</param>
/// <param name="tcc">Enumeration that controls the behavior of the command</param>
/// <param name="clear">Boolean that controls the behavior of the command</param>
/// <param name="count">How many times to repeat the operation</param>
/// <param name="onTime">How long to set the output active></param>
/// <param name="offTime">How long to set the output inactive></param>
public ControlRelayOutputBlock(OperationType opType, TripCloseCode tcc, bool clear, byte count, System.UInt32 onTime, System.UInt32 offTime)
{
this.opType = opType;
this.tcc = tcc;
this.clear = clear;
this.count = count;
this.onTime = onTime;
this.offTime = offTime;
}
// This process watches (via change stream) for commands inserted to a commands collection
// When the command is considered valid it is forwarded to the RTU
static async void ProcessMongoCmd(JSONSCADAConfig jsConfig)
{
do
{
try
{
var Client = ConnectMongoClient(jsConfig);
var DB = Client.GetDatabase(jsConfig.mongoDatabaseName);
var collection =
DB
.GetCollection
<rtCommand>(CommandsQueueCollectionName);
bool isMongoLive =
DB
.RunCommandAsync((Command <BsonDocument>) "{ping:1}")
.Wait(1000);
if (!isMongoLive)
{
throw new Exception("Error on connection " + jsConfig.mongoConnectionString);
}
Log("MongoDB CMD CS - Start listening for commands via changestream...");
var filter = "{ operationType: 'insert' }";
var pipeline =
new EmptyPipelineDefinition <ChangeStreamDocument <rtCommand
>
>().Match(filter);
using (var cursor = await collection.WatchAsync(pipeline))
{
await cursor
.ForEachAsync(async change =>
{
if (!Active)
{
return;
}
// process change event, only process inserts
if (
change.OperationType ==
ChangeStreamOperationType.Insert
)
{
// consider only commands for this driver
{
Log("MongoDB CMD CS - Looking for connection " +
change
.FullDocument
.protocolSourceConnectionNumber +
"...");
var found = false;
foreach (DNP3_connection
srv
in
DNP3conns
)
{
if (
srv.protocolConnectionNumber ==
change
.FullDocument
.protocolSourceConnectionNumber
)
{
found = true;
var cs = srv.channel.GetChannelStatistics();
if (
srv.isConnected &&
srv.commandsEnabled
)
{
var group = change.FullDocument.protocolSourceCommonAddress;
var variation = change.FullDocument.protocolSourceASDU;
if (group == 41 || group == 12)
{
if ( // check for command expired
DateTime
.Now
.ToLocalTime()
.Subtract(change
.FullDocument
.timeTag
.ToLocalTime(
))
.Seconds <
10
)
{ // can execute
System.Threading.Tasks.Task <CommandTaskResult> cmdTask = null;
if (group == 12)
{
OperationType ot = OperationType.NUL;
TripCloseCode tc = TripCloseCode.NUL;
switch (System.Convert.ToUInt16(change.FullDocument.protocolSourceCommandDuration))
{
default:
case 0:
ot = OperationType.NUL;
break;
case 1:
if (change.FullDocument.value != 0)
{
ot = OperationType.PULSE_ON;
}
else
{
ot = OperationType.PULSE_OFF;
}
break;
case 2:
if (change.FullDocument.value != 0)
{
ot = OperationType.PULSE_OFF;
}
else
{
ot = OperationType.PULSE_ON;
}
break;
case 3:
if (change.FullDocument.value != 0)
{
ot = OperationType.LATCH_ON;
}
else
{
ot = OperationType.LATCH_OFF;
}
break;
case 4:
if (change.FullDocument.value != 0)
{
ot = OperationType.LATCH_OFF;
}
else
{
ot = OperationType.LATCH_ON;
}
break;
case 11:
if (change.FullDocument.value != 0)
{
ot = OperationType.PULSE_ON;
tc = TripCloseCode.CLOSE;
}
else
{
ot = OperationType.PULSE_OFF;
tc = TripCloseCode.TRIP;
}
break;
case 13:
if (change.FullDocument.value != 0)
{
ot = OperationType.LATCH_ON;
tc = TripCloseCode.CLOSE;
}
else
{
ot = OperationType.LATCH_OFF;
tc = TripCloseCode.TRIP;
}
break;
case 21:
if (change.FullDocument.value != 0)
{
ot = OperationType.PULSE_ON;
tc = TripCloseCode.TRIP;
}
else
{
ot = OperationType.PULSE_OFF;
tc = TripCloseCode.CLOSE;
}
break;
case 23:
if (change.FullDocument.value != 0)
{
ot = OperationType.LATCH_ON;
tc = TripCloseCode.TRIP;
}
else
{
ot = OperationType.LATCH_OFF;
tc = TripCloseCode.CLOSE;
}
break;
}
ControlRelayOutputBlock crob = new ControlRelayOutputBlock(ot, tc, false, 1, 0, 0);
if (System.Convert.ToBoolean(change.FullDocument.protocolSourceCommandUseSBO))
{
cmdTask = srv.master.SelectAndOperate(
crob,
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
else
{
cmdTask = srv.master.DirectOperate(
crob,
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
}
else if (group == 41 && variation == 1)
{
if (System.Convert.ToBoolean(change.FullDocument.protocolSourceCommandUseSBO))
{
cmdTask = srv.master.SelectAndOperate(
new AnalogOutputInt32(System.Convert.ToInt32(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
else
{
cmdTask = srv.master.DirectOperate(
new AnalogOutputInt32(System.Convert.ToInt32(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
}
else if (group == 41 && variation == 2)
{
if (System.Convert.ToBoolean(change.FullDocument.protocolSourceCommandUseSBO))
{
cmdTask = srv.master.SelectAndOperate(
new AnalogOutputInt16(System.Convert.ToInt16(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
else
{
cmdTask = srv.master.DirectOperate(
new AnalogOutputInt16(System.Convert.ToInt16(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
}
else if (group == 41 && variation == 3)
{
if (System.Convert.ToBoolean(change.FullDocument.protocolSourceCommandUseSBO))
{
cmdTask = srv.master.SelectAndOperate(
new AnalogOutputFloat32(System.Convert.ToSingle(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
else
{
cmdTask = srv.master.DirectOperate(
new AnalogOutputFloat32(System.Convert.ToSingle(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
}
else if (group == 41 && variation == 4)
{
if (System.Convert.ToBoolean(change.FullDocument.protocolSourceCommandUseSBO))
{
cmdTask = srv.master.SelectAndOperate(
new AnalogOutputDouble64(System.Convert.ToDouble(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
else
{
cmdTask = srv.master.DirectOperate(
new AnalogOutputDouble64(System.Convert.ToDouble(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
}
else if (group == 41) // group 41, other variations defaults to float32
{
if (System.Convert.ToBoolean(change.FullDocument.protocolSourceCommandUseSBO))
{
cmdTask = srv.master.SelectAndOperate(
new AnalogOutputFloat32(System.Convert.ToSingle(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
else
{
cmdTask = srv.master.DirectOperate(
new AnalogOutputFloat32(System.Convert.ToSingle(change.FullDocument.value)),
System.Convert.ToUInt16(change.FullDocument.protocolSourceObjectAddress),
TaskConfig.Default);
}
}
if (cmdTask != null)
{
_ = cmdTask.ContinueWith((result) =>
{
Console.WriteLine("Result: " + result.Result);
Log("MongoDB CMD CS - " +
srv.name +
" - Command " +
" TAG:" + change.FullDocument.tag +
" GRP:" + change.FullDocument.protocolSourceCommonAddress +
" VAR:" + change.FullDocument.protocolSourceASDU +
" OBJ:" + change.FullDocument.protocolSourceObjectAddress +
" Value:" + change.FullDocument.value +
" Delivered");
// update as delivered
var filter =
new BsonDocument(new BsonDocument("_id",
change.FullDocument.id));
var update =
new BsonDocument("$set", new BsonDocument {
{ "delivered", true },
{ "ack",
result.Result.Results.FirstOrDefault().PointState == CommandPointState.SUCCESS &&
result.Result.Results.FirstOrDefault().Status == CommandStatus.SUCCESS },
{ "ackTimeTag", BsonValue.Create(DateTime.Now) },
{ "resultDescription", result.Result.ToString() }
});
var res =
collection
.UpdateOneAsync(filter,
update);
});
}
else
{
Console.WriteLine("Command Error");
}
}
else
{
// update as expired
Log("MongoDB CMD CS - " +
srv.name +
" - Command " +
" TAG:" + change.FullDocument.tag +
" GRP:" + change.FullDocument.protocolSourceCommonAddress +
" VAR:" + change.FullDocument.protocolSourceASDU +
" OBJ:" + change.FullDocument.protocolSourceObjectAddress +
" Value:" + change.FullDocument.value +
" Expired");
var filter =
new BsonDocument(new BsonDocument("_id",
change
.FullDocument
.id));
var update =
new BsonDocument("$set",
new BsonDocument("cancelReason",
"expired"));
var result =
await collection
.UpdateOneAsync(filter,
update);
}
}
else
{
// update as canceled (asdu not implemented)
Log("MongoDB CMD CS - " +
srv.name +
" - Command " +
" TAG:" + change.FullDocument.tag +
" GRP:" + change.FullDocument.protocolSourceCommonAddress +
" VAR:" + change.FullDocument.protocolSourceASDU +
" OBJ:" + change.FullDocument.protocolSourceObjectAddress +
" Value:" + change.FullDocument.value +
" ASDU Not Implemented");
var filter =
new BsonDocument(new BsonDocument("_id",
change
.FullDocument
.id));
var update =
new BsonDocument("$set",
new BsonDocument("cancelReason",
"asdu not implemented"));
var result =
await collection
.UpdateOneAsync(filter,
update);
}
}
else
{
// update as canceled (not connected)
Log("MongoDB CMD CS - " +
srv.name +
" - Command " +
" TAG:" + change.FullDocument.tag +
" GRP:" + change.FullDocument.protocolSourceCommonAddress +
" VAR:" + change.FullDocument.protocolSourceASDU +
" OBJ:" + change.FullDocument.protocolSourceObjectAddress +
" Value:" + change.FullDocument.value +
change.FullDocument.value +
(
srv.commandsEnabled
? " Not Connected"
: " Commands Disabled"
));
var filter =
new BsonDocument(new BsonDocument("_id",
change
.FullDocument
.id));
var update =
new BsonDocument("$set",
new BsonDocument("cancelReason",
(
srv
.commandsEnabled
? "not connected"
: "commands disabled"
)));
var result =
await collection
.UpdateOneAsync(filter,
update);
}
break;
}
}
if (!found)
{
// update as canceled command (not found)
Log("MongoDB CMD CS - " +
change
.FullDocument
.protocolSourceConnectionNumber
.ToString() +
" - Command " +
" TAG:" + change.FullDocument.tag +
" GRP:" + change.FullDocument.protocolSourceCommonAddress +
" VAR:" + change.FullDocument.protocolSourceASDU +
" OBJ:" + change.FullDocument.protocolSourceObjectAddress +
" Value:" + change.FullDocument.value +
" Not Found");
var filter =
new BsonDocument(new BsonDocument("_id",
change
.FullDocument
.id));
var update =
new BsonDocument("$set",
new BsonDocument("cancelReason",
"connection not found"));
var result =
await collection
.UpdateOneAsync(filter,
update);
}
}
}
});
}
}
catch (Exception e)
{
Log("Exception MongoCmd");
Log(e);
Log(e
.ToString()
.Substring(0,
e.ToString().IndexOf(Environment.NewLine)));
System.Threading.Thread.Sleep(3000);
}
}while (true);
}
