public void TestAttachCondition()
{
// Initialize
WaitSet waitSet = new WaitSet();
GuardCondition guardCondition = new GuardCondition();
// Test with null parameter
ReturnCode result = waitSet.AttachCondition(null);
Assert.AreEqual(ReturnCode.BadParameter, result);
// Test with correct parameter
result = waitSet.AttachCondition(guardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
// Attach again should return OK but not actually add another condition to the WaitSet
result = waitSet.AttachCondition(guardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
List <Condition> conditions = new List <Condition>();
result = waitSet.GetConditions(conditions);
Assert.AreEqual(ReturnCode.Ok, result);
Assert.IsNotNull(conditions);
Assert.AreEqual(1, conditions.Count);
Assert.AreEqual(guardCondition, conditions[0]);
}
public void TestGetConditions()
{
// Initialize
WaitSet waitSet = new WaitSet();
GuardCondition guardCondition = new GuardCondition();
GuardCondition otherGuardCondition = new GuardCondition();
ReturnCode result = waitSet.AttachCondition(guardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
result = waitSet.AttachCondition(otherGuardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
// Test with null parameter
result = waitSet.GetConditions(null);
Assert.AreEqual(ReturnCode.BadParameter, result);
// Test with correct parameter
List <Condition> conditions = new List <Condition>()
{
null
};
result = waitSet.GetConditions(conditions);
Assert.AreEqual(ReturnCode.Ok, result);
Assert.IsNotNull(conditions);
Assert.AreEqual(2, conditions.Count);
Assert.IsNotNull(conditions[0]);
Assert.IsNotNull(conditions[1]);
Assert.IsTrue(conditions[0] != conditions[1]);
Assert.IsTrue(guardCondition == conditions[0] || guardCondition == conditions[1]);
Assert.IsTrue(otherGuardCondition == conditions[0] || otherGuardCondition == conditions[1]);
}
/// <summary>
/// Creates a DomainParticipant, Topic, Subscriber and DataReader<HelloWorld>.
/// </summary>
public HelloWorldSubscriber(int domainId)
{
// Enable network capture.
// This must be called before any other network capture function, and
// before creating any participant for which we want to capture traffic.
NetworkCapture.Enable();
// Start communicating in a domain, usually one participant per application
// Load QoS profile from USER_QOS_PROFILES.xml file
participant = DomainParticipantFactory.Instance.CreateParticipant(domainId);
// A Topic has a name and a datatype.
Topic <HelloWorld> topic = participant.CreateTopic <HelloWorld>(
"Network capture shared memory example");
// Create a subscriber
Subscriber subscriber = participant.CreateSubscriber();
// Create a DataReader, loading QoS profile from USER_QOS_PROFILES.xml.
reader = subscriber.CreateDataReader(topic);
// Obtain the DataReader's Status Condition
StatusCondition statusCondition = reader.StatusCondition;
// Enable the 'data available' status.
statusCondition.EnabledStatuses = StatusMask.DataAvailable;
// Associate an event handler with the status condition.
// This will run when the condition is triggered, in the context of
// the dispatch call (see below)
statusCondition.Triggered += ProcessData;
// Create a WaitSet and attach the StatusCondition
waitset.AttachCondition(statusCondition);
}
public void TestDetachCondition()
{
// Initialize
WaitSet waitSet = new WaitSet();
GuardCondition guardCondition = new GuardCondition();
ReturnCode result = waitSet.AttachCondition(guardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
// Test with null parameter
result = waitSet.DetachCondition(null);
Assert.AreEqual(ReturnCode.BadParameter, result);
// Test with correct parameter
result = waitSet.DetachCondition(guardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
// Test again the same condition
result = waitSet.DetachCondition(guardCondition);
Assert.AreEqual(ReturnCode.PreconditionNotMet, result);
// Detach a not attached condition
GuardCondition notAttachedCondition = new GuardCondition();
result = waitSet.DetachCondition(notAttachedCondition);
Assert.AreEqual(ReturnCode.PreconditionNotMet, result);
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("Listener");
ReturnCode status = ReturnCode.Error;
ListenerDataListener myListener;
String partitionName = "Listener Example";
int count = 0;
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
MsgTypeSupport msgTS = new MsgTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("ListenerData_Msg");
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader(false);
IDataReader dreader = mgr.getReader();
myListener = new ListenerDataListener();
myListener.MsgDR = dreader as MsgDataReader;
Console.WriteLine("=== [ListenerDataSubscriber] SetListener");
StatusKind kind = StatusKind.DataAvailable | StatusKind.RequestedDeadlineMissed;
status = myListener.MsgDR.SetListener(myListener, kind);
ErrorHandler.checkStatus(status, "DataReader.SetListener");
Console.WriteLine("=== [ListenerDataSubscriber] Ready...");
myListener.terminated = false;
WaitSet ws = new WaitSet();
ws.AttachCondition(myListener.guardCond);
ICondition[] cond = null;
while (!myListener.terminated && count < 1500)
{
Console.WriteLine("=== [SubscriberUsingListener] waiting waitset ...");
ws.Wait(ref cond, Duration.Infinite);
myListener.guardCond.SetTriggerValue(false);
++count;
}
Console.WriteLine("===[ListenerDataSubscriber] Market Closed.");
mgr.getSubscriber().DeleteDataReader(myListener.MsgDR);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
public ShapeWaitSet(ShapeTypeDataReader dataReader, Action <ShapeTypeDataReader> dataAvailableFunc)
{
_dataAvailableFunc = dataAvailableFunc;
_dataReader = dataReader;
_waitSet = new WaitSet();
_thread = new Thread(DoThreadActivity)
{
IsBackground = true
};
_cancelCondition = new GuardCondition();
_statusCondition = dataReader.StatusCondition;
_waitSet.AttachCondition(_statusCondition);
_waitSet.AttachCondition(_cancelCondition);
_statusCondition.EnabledStatuses = StatusKind.DataAvailableStatus;
_thread.Start();
}
/// <summary>
/// Main function, receiving structured command-line arguments
/// via the System.Console.DragonFruit package.
/// For example: dotnet run -- --domain-id 54 --sample-count 5
/// </summary>
/// <param name="domainId">The domain ID to create the DomainParticipant</param>
/// <param name="sampleCount">The number of data samples to receive before exiting</param>
public static void Main(int domainId = 0, int sampleCount = int.MaxValue)
{
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// DomainParticipant QoS is configured in USER_QOS_PROFILES.xml
//
// A participant needs to be Disposed to release middleware resources.
// The 'using' keyword indicates that it will be Disposed when this
// scope ends.
using DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(domainId);
// A Topic has a name and a datatype. Create dynamically-typed
// Topic named "HelloWorld Topic" with the type definition of
// "HelloWorld" in hello_world.xml. To get the type we use a QosProvider
var provider = new QosProvider("../hello_world.xml");
Topic <DynamicData> topic = participant.CreateTopic(
"Example HelloWorld",
provider.GetType("HelloWorld"));
// A Subscriber allows an application to create one or more DataReaders
// Subscriber QoS is configured in USER_QOS_PROFILES.xml
Subscriber subscriber = participant.CreateSubscriber();
// This DataReader reads data of type Temperature on Topic
// "ChocolateTemperature". DataReader QoS is configured in
// USER_QOS_PROFILES.xml
DataReader <DynamicData> reader = subscriber.CreateDataReader(topic);
// Obtain the DataReader's Status Condition
StatusCondition statusCondition = reader.StatusCondition;
// Enable the 'data available' status.
statusCondition.EnabledStatuses = StatusMask.DataAvailable;
// Associate an event handler with the status condition.
// This will run when the condition is triggered, in the context of
// the dispatch call (see below)
int samplesRead = 0;
statusCondition.Triggered += _ => samplesRead += ProcessData(reader);
// Create a WaitSet and attach the StatusCondition
var waitset = new WaitSet();
waitset.AttachCondition(statusCondition);
while (samplesRead < sampleCount)
{
// Dispatch will call the handlers associated to the WaitSet
// conditions when they activate
Console.WriteLine("HelloWorld subscriber sleeping for 4 sec...");
waitset.Dispatch(Duration.FromSeconds(4));
}
}
private void RunExample(int domainId, int sampleCount)
{
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// DomainParticipant QoS is configured in USER_QOS_PROFILES.xml
DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(domainId);
// A Topic has a name and a datatype. Create a Topic named
// "ChocolateTemperature" with type Temperature
// In this example we use a DynamicType defined in XML, which creates
// a DynamicData topic.
var provider = new QosProvider("../chocolate_factory.xml");
Topic <DynamicData> topic = participant.CreateTopic(
"ChocolateTemperature",
provider.GetType("Temperature"));
// A Subscriber allows an application to create one or more DataReaders
// Subscriber QoS is configured in USER_QOS_PROFILES.xml
Subscriber subscriber = participant.CreateSubscriber();
// This DataReader reads data of type Temperature on Topic
// "ChocolateTemperature". DataReader QoS is configured in
// USER_QOS_PROFILES.xml
DataReader <DynamicData> reader = subscriber.CreateDataReader(topic);
// Obtain the DataReader's Status Condition
StatusCondition statusCondition = reader.StatusCondition;
// Enable the 'data available' status.
statusCondition.EnabledStatuses = StatusMask.DataAvailable;
// Associate an event handler with the status condition.
// This will run when the condition is triggered, in the context of
// the dispatch call (see below)
int samplesRead = 0;
statusCondition.Triggered += _ => samplesRead += ProcessData(reader);
// Create a WaitSet and attach the StatusCondition
var waitset = new WaitSet();
waitset.AttachCondition(statusCondition);
while (samplesRead < sampleCount && !shutdownRequested)
{
// Dispatch will call the handlers associated to the WaitSet
// conditions when they activate
Console.WriteLine("ChocolateTemperature subscriber sleeping for 4 sec...");
waitset.Dispatch(Duration.FromSeconds(4));
}
}
public RTIReader(
DataReader <T> reader,
ITypeHelper <T> dataType,
Parameters arguments)
{
this.reader = reader;
dataTypeHelper = dataType;
if (arguments.UseReadThread)
{
WaitSetProperty property = new WaitSetProperty(
(int)arguments.WaitsetEventCount,
Duration.FromMilliseconds(arguments.WaitsetDelayUsec / 1000));
waitset = new WaitSet(property);
StatusCondition readerStatus = reader.StatusCondition;
readerStatus.EnabledStatuses = StatusMask.DataAvailable;
waitset.AttachCondition(readerStatus);
}
}
/// <summary>
/// Process the data received by the readers
/// </summary>
public Task Run(int _, CancellationToken cancellationToken)
{
var condition = subscriber.StatusCondition;
condition.EnabledStatuses = StatusMask.DataOnReaders;
condition.Triggered += ProcessData;
var waitSet = new WaitSet();
waitSet.AttachCondition(condition);
return(Task.Run(() =>
{
while (!cancellationToken.IsCancellationRequested)
{
waitSet.Dispatch(Duration.FromSeconds(1));
}
}, cancellationToken));
}
private void RunExample(int domainId, string sensorId)
{
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// Uses TemperingApplication QoS profile to set participant name.
var qosProvider = new QosProvider("./qos_profiles.xml");
var participantQos = qosProvider.GetDomainParticipantQos(
"ChocolateFactoryLibrary::TemperingApplication");
DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(domainId, participantQos);
// A Topic has a name and a datatype.
Topic <Temperature> temperatureTopic = participant.CreateTopic <Temperature>(
CHOCOLATE_TEMPERATURE_TOPIC.Value);
Topic <ChocolateLotState> lotStateTopic = participant.CreateTopic <ChocolateLotState>(
CHOCOLATE_LOT_STATE_TOPIC.Value);
// A Publisher allows an application to create one or more DataWriters
// Create Publisher with default QoS.
Publisher publisher = participant.CreatePublisher();
// Create DataWriter of Topic "ChocolateTemperature"
// using ChocolateTemperatureProfile QoS profile for Streaming Data
DataWriter <Temperature> temperatureWriter = publisher.CreateDataWriter(
temperatureTopic,
qos: qosProvider.GetDataWriterQos("ChocolateFactoryLibrary::ChocolateTemperatureProfile"));
// Create DataWriter of Topic "ChocolateLotState"
// using ChocolateLotStateProfile QoS profile for State Data
DataWriter <ChocolateLotState> lotStateWriter = publisher.CreateDataWriter(
lotStateTopic,
qos: qosProvider.GetDataWriterQos("ChocolateFactoryLibrary::ChocolateLotStateProfile"));
// A Subscriber allows an application to create one or more DataReaders
Subscriber subscriber = participant.CreateSubscriber();
// This DataReader reads data of type Temperature on Topic
// "ChocolateTemperature" using ChocolateLotStateProfile QoS
// profile for State Data.
//
// We will handle the "requested incompatible qos" event. By doing
// it as a preEnableAction, we avoid a race condition in which
// the event could trigger right after the reader creation but
// right before adding the event handler.
DataReader <ChocolateLotState> lotStateReader = subscriber.CreateDataReader(
lotStateTopic,
qos: qosProvider.GetDataReaderQos("ChocolateFactoryLibrary::ChocolateLotStateProfile"),
preEnableAction: reader => reader.RequestedIncompatibleQos += OnRequestedIncompatibleQos);
// Obtain the DataReader's Status Condition
StatusCondition statusCondition = lotStateReader.StatusCondition;
// Enable the 'data available' status.
statusCondition.EnabledStatuses = StatusMask.DataAvailable;
// Associate an event handler with the status condition.
// This will run when the condition is triggered, in the context of
// the dispatch call (see below)
statusCondition.Triggered +=
_ => ProcessLot(lotStateReader, lotStateWriter);
// Create a WaitSet and attach the StatusCondition
var waitset = new WaitSet();
waitset.AttachCondition(statusCondition);
// Create a thread to periodically publish the temperature
Console.WriteLine($"ChocolateTemperature Sensor with ID: {sensorId} starting");
var temperatureTask = Task.Run(
() => PublishTemperature(temperatureWriter, sensorId));
while (!shutdownRequested)
{
// Wait for ChocolateLotState
Console.WriteLine("Waiting for lot");
waitset.Dispatch(Duration.FromSeconds(4));
}
temperatureTask.Wait();
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("*** [ContentFilteredTopicDataSubscriber] Subscription string not specified");
Console.WriteLine("*** usage : ContentFilteredTopicDataSubscriber <subscription_string>");
Environment.Exit(-1);
}
ITopic topic;
DDSEntityManager mgr = new DDSEntityManager("ContentFilteredTopic");
String partitionName = "ContentFilteredTopic example";
// Create DomainParticipant
mgr.createParticipant(partitionName);
// Create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// Create Topic
topic = mgr.createTopic("StockTrackerExclusive");
// ContentFilteredTopic
mgr.createContentFilter("MyStockTopic", topic, args[0]);
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] Subscription filter : ticker = '{0}'", args[0]);
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader(true);
// Read Events
IDataReader dreader = mgr.getReader();
StockDataReader WaitSetReader = dreader as StockDataReader;
// Create WaitSet
IWaitSet w = new WaitSet();
// Status Condition
IStatusCondition status;
status = dreader.StatusCondition;
status.SetEnabledStatuses(StatusKind.DataAvailable);
ReturnCode result = ReturnCode.Error;
result = w.AttachCondition(status);
ErrorHandler.checkHandle(status, "DataReader.StatusCondition");
ErrorHandler.checkStatus(result, "WaitSet.AttachCondition");
DDS.ICondition[] conditionList;
DDS.SampleInfo[] infoSeq;
Stock[] stockSeq;
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] Ready ...");
bool terminate = false;
int count = 0;
while (!terminate && count < 1500)
{
/**
* Wait until data will be available
*/
Duration wait_timeout = new Duration(Duration.InfiniteSec, Duration.InfiniteNanoSec);
conditionList = null;
result = w.Wait(ref conditionList, wait_timeout);
ErrorHandler.checkStatus(result, "WaitSet.Wait");
stockSeq = null;
infoSeq = null;
/**
* Read Data
*/
result = WaitSetReader.Take(ref stockSeq, ref infoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkStatus(result, "StockDataReader.Take");
/**
* Display Data
*/
for (int i = 0; i < stockSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
if (stockSeq[i].price == -1)
{
// We read the last expected sample => exit
terminate = true;
break;
}
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] receives stockQuote : ( {0} , {1} )",
stockSeq[i].ticker, stockSeq[i].price);
}
}
result = WaitSetReader.ReturnLoan(ref stockSeq, ref infoSeq);
ErrorHandler.checkStatus(result, "StockDataReader.ReturnLoan");
Thread.Sleep(200);
++count;
}
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] Market Closed");
// clean up
mgr.getSubscriber().DeleteDataReader(WaitSetReader);
mgr.deleteSubscriber();
mgr.deleteContentFilteredTopic();
mgr.deleteTopic();
mgr.deleteParticipant();
}
private void RunExample(int domainId, string stationKind)
{
if (!Enum.TryParse <StationKind>(stationKind, out var currentStation))
{
throw new ArgumentException("Invalid station");
}
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// Uses TemperingApplication QoS profile to set participant name.
var qosProvider = new QosProvider("./qos_profiles.xml");
// By specifying a default library, we can later refer to the
// profiles without the library name
qosProvider.DefaultLibrary = "ChocolateFactoryLibrary";
DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(
domainId,
qosProvider.GetDomainParticipantQos("IngredientApplication"));
Topic <Temperature> temperatureTopic =
participant.CreateTopic <Temperature>("ChocolateTemperature");
Topic <ChocolateLotState> lotStateTopic =
participant.CreateTopic <ChocolateLotState>("ChocolateLotState");
ContentFilteredTopic <ChocolateLotState> filteredLotStateTopic =
participant.CreateContentFilteredTopic(
name: "FilteredLot",
relatedTopic: lotStateTopic,
filter: new Filter(
expression: "next_station = %0",
parameters: new string[] { $"'{stationKind}'" }));
Publisher publisher = participant.CreatePublisher();
// Create DataWriter of Topic "ChocolateLotState"
// using ChocolateLotStateProfile QoS profile for State Data
DataWriter <ChocolateLotState> lotStateWriter = publisher.CreateDataWriter(
lotStateTopic,
qosProvider.GetDataWriterQos("ChocolateLotStateProfile"));
Subscriber subscriber = participant.CreateSubscriber();
// Create DataReader of Topic "ChocolateLotState", filtered by
// next_station, and using ChocolateLotStateProfile QoS profile for
// State Data.
DataReader <ChocolateLotState> lotStateReader = subscriber.CreateDataReader(
filteredLotStateTopic,
qosProvider.GetDataReaderQos("ChocolateLotStateProfile"));
// Monitor the DataAvailable status
StatusCondition statusCondition = lotStateReader.StatusCondition;
statusCondition.EnabledStatuses = StatusMask.DataAvailable;
statusCondition.Triggered +=
_ => ProcessLot(currentStation, lotStateReader, lotStateWriter);
var waitset = new WaitSet();
waitset.AttachCondition(statusCondition);
while (!shutdownRequested)
{
// Wait for ChocolateLotState
Console.WriteLine("Waiting for lot");
waitset.Dispatch(Duration.FromSeconds(10));
}
}
static void Main(string[] args)
{
int domain = DDS.DomainId.Default;
/* Create a DomainParticipant */
DomainParticipantFactory dpf = DomainParticipantFactory.Instance;
IDomainParticipant participant = dpf.CreateParticipant(
domain,
null,
StatusKind.Any);
ErrorHandler.checkHandle(
participant, "DDS.DomainParticipantFactory.CreateParticipant");
/* Register the required datatype for ChatMessage. */
ChatMessageTypeSupport chatMessageTS = new ChatMessageTypeSupport();
string chatMessageTypeName = chatMessageTS.TypeName;
ReturnCode status = chatMessageTS.RegisterType(
participant, chatMessageTypeName);
ErrorHandler.checkStatus(
status, "Chat.ChatMessageTypeSupport.RegisterType");
/* Register the required datatype for NameService. */
NameServiceTypeSupport nameServiceTS = new NameServiceTypeSupport();
ErrorHandler.checkHandle(
nameServiceTS, "new NameServiceTypeSupport");
string nameServiceTypeName = nameServiceTS.TypeName;
status = nameServiceTS.RegisterType(
participant, nameServiceTypeName);
ErrorHandler.checkStatus(
status, "Chat.NameServiceTypeSupport.RegisterType");
/* Set the ReliabilityQosPolicy to RELIABLE. */
TopicQos reliableTopicQos = new TopicQos();
status = participant.GetDefaultTopicQos(ref reliableTopicQos);
ErrorHandler.checkStatus(
status, "DDS.DomainParticipant.get_DefaultTopicQos");
reliableTopicQos.Reliability.Kind = ReliabilityQosPolicyKind.ReliableReliabilityQos;
/* Make the tailored QoS the new default. */
status = participant.SetDefaultTopicQos(reliableTopicQos);
ErrorHandler.checkStatus(
status, "DDS.DomainParticipant.SetDefaultTopicQos");
/* Use the changed policy when defining the ChatMessage topic */
ITopic chatMessageTopic = participant.CreateTopic(
"Chat_ChatMessage",
chatMessageTypeName,
reliableTopicQos);
ErrorHandler.checkHandle(
chatMessageTopic,
"DDS.DomainParticipant.CreateTopic (ChatMessage)");
/* Set the DurabilityQosPolicy to TRANSIENT. */
TopicQos settingTopicQos = new TopicQos();
status = participant.GetDefaultTopicQos(ref settingTopicQos);
ErrorHandler.checkStatus(
status, "DDS.DomainParticipant.GetDefaultTopicQos");
settingTopicQos.Durability.Kind = DurabilityQosPolicyKind.TransientDurabilityQos;
/* Create the NameService Topic. */
ITopic nameServiceTopic = participant.CreateTopic(
"Chat_NameService",
nameServiceTypeName,
settingTopicQos);
ErrorHandler.checkHandle(
nameServiceTopic, "DDS.DomainParticipant.CreateTopic");
/* Adapt the default SubscriberQos to read from the
* "ChatRoom" Partition. */
SubscriberQos subQos = new SubscriberQos();
status = participant.GetDefaultSubscriberQos(ref subQos);
ErrorHandler.checkStatus(
status, "DDS.DomainParticipant.GetDefaultSubscriberQos");
subQos.Partition.Name = new string[1];
subQos.Partition.Name[0] = "ChatRoom";
/* Create a Subscriber for the UserLoad application. */
ISubscriber chatSubscriber = participant.CreateSubscriber(subQos);
ErrorHandler.checkHandle(
chatSubscriber, "DDS.DomainParticipant.CreateSubscriber");
/* Create a DataReader for the NameService Topic
* (using the appropriate QoS). */
DataReaderQos nsQos = null;
status = chatSubscriber.GetDefaultDataReaderQos(ref nsQos);
ErrorHandler.checkStatus(
status, "DDS.Subscriber.GetDefaultDataReaderQos");
status = chatSubscriber.CopyFromTopicQos(ref nsQos, settingTopicQos);
ErrorHandler.checkStatus(
status, "DDS.Subscriber.CopyFromTopicQos");
IDataReader parentReader = chatSubscriber.CreateDataReader(
nameServiceTopic,
nsQos,
null,
StatusKind.Any);
ErrorHandler.checkHandle(
parentReader, "DDS.Subscriber.CreateDatareader (NameService)");
NameServiceDataReader nameServer = parentReader as NameServiceDataReader;
/* Adapt the DataReaderQos for the ChatMessageDataReader to
* keep track of all messages. */
DataReaderQos messageQos = new DataReaderQos();
status = chatSubscriber.GetDefaultDataReaderQos(ref messageQos);
ErrorHandler.checkStatus(
status, "DDS.Subscriber.GetDefaultDataReaderQos");
status = chatSubscriber.CopyFromTopicQos(
ref messageQos, reliableTopicQos);
ErrorHandler.checkStatus(
status, "DDS.Subscriber.CopyFromTopicQos");
messageQos.History.Kind = HistoryQosPolicyKind.KeepAllHistoryQos;
/* Create a DataReader for the ChatMessage Topic
* (using the appropriate QoS). */
parentReader = chatSubscriber.CreateDataReader(
chatMessageTopic,
messageQos);
ErrorHandler.checkHandle(
parentReader, "DDS.Subscriber.CreateDataReader (ChatMessage)");
/* Narrow the abstract parent into its typed representative. */
ChatMessageDataReader loadAdmin = parentReader as ChatMessageDataReader;
/* Initialize the Query Arguments. */
string[] parameters = { "0" };
/* Create a QueryCondition that will contain all messages
* with userID=ownID */
IQueryCondition singleUser = loadAdmin.CreateQueryCondition("userID=%0", parameters);
ErrorHandler.checkHandle(singleUser, "DDS.DataReader.CreateQuerycondition");
/* Create a ReadCondition that will contain new users only */
IReadCondition newUser = nameServer.CreateReadCondition(SampleStateKind.NotRead, ViewStateKind.New, InstanceStateKind.Alive);
ErrorHandler.checkHandle(newUser, "DDS.DataReader.create_readcondition");
/* Obtain a StatusCondition that triggers only when a Writer
* changes Liveliness */
IStatusCondition leftUser = loadAdmin.StatusCondition;
ErrorHandler.checkHandle(leftUser, "DDS.DataReader.GetStatusCondition");
status = leftUser.SetEnabledStatuses(StatusKind.LivelinessChanged);
ErrorHandler.checkStatus(status, "DDS.StatusCondition.SetEnabledStatuses");
/* Create a bare guard which will be used to close the room */
escape = new GuardCondition();
/* Create a waitset and add the ReadConditions */
WaitSet userLoadWS = new WaitSet();
status = userLoadWS.AttachCondition(newUser);
ErrorHandler.checkStatus(status, "DDS.WaitSet.AttachCondition (newUser)");
status = userLoadWS.AttachCondition(leftUser);
ErrorHandler.checkStatus(status, "DDS.WaitSet.AttachCondition (leftUser)");
status = userLoadWS.AttachCondition(escape);
ErrorHandler.checkStatus(status, "DDS.WaitSet.AttachCondition (escape)");
/* Initialize and pre-allocate the GuardList used to obtain
* the triggered Conditions. */
ICondition[] guardList = new ICondition[3];
/* Remove all known Users that are not currently active. */
NameService[] nsMsgs = null;
SampleInfo[] nsInfos = null;
status = nameServer.Take(ref nsMsgs,
ref nsInfos,
Length.Unlimited,
SampleStateKind.Any,
ViewStateKind.Any,
InstanceStateKind.NotAlive);
ErrorHandler.checkStatus(
status, "Chat.NameServiceDataReader.Take");
status = nameServer.ReturnLoan(ref nsMsgs, ref nsInfos);
ErrorHandler.checkStatus(
status, "Chat.NameServiceDataReader.ReturnLoan");
/* Start the sleeper thread. */
new Thread(new UserLoad().doWait).Start();
bool closed = false;
int prevCount = 0;
ChatMessage[] msgs = null;
SampleInfo[] msgInfos = null;
while (!closed)
{
/* Wait until at least one of the Conditions in the
* waitset triggers. */
status = userLoadWS.Wait(ref guardList, Duration.Infinite);
ErrorHandler.checkStatus(status, "DDS.WaitSet.Wait");
/* Walk over all guards to display information */
foreach (ICondition guard in guardList)
{
if (guard == newUser)
{
/* The newUser ReadCondition contains data */
status = nameServer.ReadWithCondition(ref nsMsgs, ref nsInfos, newUser);
ErrorHandler.checkStatus(status, "Chat.NameServiceDataReader.read_w_condition");
foreach (NameService ns in nsMsgs)
{
Console.WriteLine("New user: "******"Chat.NameServiceDataReader.ReturnLoan");
}
else if (guard == leftUser)
{
// Some liveliness has changed (either a DataWriter
// joined or a DataWriter left)
LivelinessChangedStatus livelinessStatus = new LivelinessChangedStatus();
status = loadAdmin.GetLivelinessChangedStatus(ref livelinessStatus);
ErrorHandler.checkStatus(status, "DDS.DataReader.getLivelinessChangedStatus");
if (livelinessStatus.AliveCount < prevCount)
{
/* A user has left the ChatRoom, since a DataWriter
* lost its liveliness. Take the effected users
* so they will not appear in the list later on. */
status = nameServer.Take(
ref nsMsgs,
ref nsInfos,
Length.Unlimited,
SampleStateKind.Any,
ViewStateKind.Any,
InstanceStateKind.NotAliveNoWriters);
ErrorHandler.checkStatus(status, "Chat.NameServiceDataReader.Take");
foreach (NameService nsMsg in nsMsgs)
{
/* re-apply query arguments */
parameters[0] = nsMsg.userID.ToString();
status = singleUser.SetQueryParameters(parameters);
ErrorHandler.checkStatus(status, "DDS.QueryCondition.SetQueryParameters");
/* Read this user's history */
status = loadAdmin.TakeWithCondition(
ref msgs,
ref msgInfos,
singleUser);
ErrorHandler.checkStatus(
status,
"Chat.ChatMessageDataReader.TakeWithCondition");
/* Display the user and his history */
Console.WriteLine("Departed user {0} has sent {1} messages ", nsMsg.name, msgs.Length);
status = loadAdmin.ReturnLoan(ref msgs, ref msgInfos);
ErrorHandler.checkStatus(status, "Chat.ChatMessageDataReader.ReturnLoan");
}
status = nameServer.ReturnLoan(ref nsMsgs, ref nsInfos);
ErrorHandler.checkStatus(status, "Chat.NameServiceDataReader.ReturnLoan");
}
prevCount = livelinessStatus.AliveCount;
}
else if (guard == escape)
{
Console.WriteLine("UserLoad has terminated.");
closed = true;
}
else
{
//System.Diagnostics.Debug.Fail("Unknown Condition");
}
} /* for */
} /* while (!closed) */
/* Remove all Conditions from the WaitSet. */
status = userLoadWS.DetachCondition(escape);
ErrorHandler.checkStatus(status, "DDS.WaitSet.DetachCondition (escape)");
status = userLoadWS.DetachCondition(leftUser);
ErrorHandler.checkStatus(status, "DDS.WaitSet.DetachCondition (leftUser)");
status = userLoadWS.DetachCondition(newUser);
ErrorHandler.checkStatus(status, "DDS.WaitSet.DetachCondition (newUser)");
/* Free all resources */
status = participant.DeleteContainedEntities();
ErrorHandler.checkStatus(status, "DDS.DomainParticipant.DeleteContainedEntities");
status = dpf.DeleteParticipant(participant);
ErrorHandler.checkStatus(status, "DDS.DomainParticipantFactory.DeleteParticipant");
}
private void RunExample(
int domainId = 0,
uint lotsToProcess = 10)
{
// Exercise #1.1: Add QoS provider
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// Exercise #1.2: Load DomainParticipant QoS profile
DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(domainId);
// A Topic has a name and a datatype. Create a Topic named
// "ChocolateLotState" with type ChocolateLotState.
Topic <ChocolateLotState> lotStateTopic = participant.CreateTopic <ChocolateLotState>(
CHOCOLATE_LOT_STATE_TOPIC.Value);
// Add a Topic for Temperature to this application
Topic <Temperature> temperatureTopic = participant.CreateTopic <Temperature>(
CHOCOLATE_TEMPERATURE_TOPIC.Value);
// A Publisher allows an application to create one or more DataWriters
// Publisher QoS is configured in USER_QOS_PROFILES.xml
Publisher publisher = participant.CreatePublisher();
// This DataWriter writes data on Topic "ChocolateLotState"
// Exercise #4.1: Load ChocolateLotState DataWriter QoS profile after
// debugging incompatible QoS
DataWriter <ChocolateLotState> lotStateWriter =
publisher.CreateDataWriter(lotStateTopic);
// A Subscriber allows an application to create one or more DataReaders
// Subscriber QoS is configured in USER_QOS_PROFILES.xml
Subscriber subscriber = participant.CreateSubscriber();
// Create DataReader of Topic "ChocolateLotState".
// Exercise #1.3: Update the lotStateReader and temperatureReader
// to use correct QoS
DataReader <ChocolateLotState> lotStateReader =
subscriber.CreateDataReader(lotStateTopic);
// Add a DataReader for Temperature to this application
DataReader <Temperature> temperatureReader =
subscriber.CreateDataReader(temperatureTopic);
// Obtain the DataReader's Status Condition
StatusCondition temperatureStatusCondition = temperatureReader.StatusCondition;
temperatureStatusCondition.EnabledStatuses = StatusMask.DataAvailable;
// Associate a handler with the status condition. This will run when the
// condition is triggered, in the context of the dispatch call (see below)
temperatureStatusCondition.Triggered += _ => MonitorTemperature(temperatureReader);
// Do the same with the lotStateReader's StatusCondition
StatusCondition lotStateStatusCondition = lotStateReader.StatusCondition;
lotStateStatusCondition.EnabledStatuses = StatusMask.DataAvailable;
int lotsProcessed = 0;
lotStateStatusCondition.Triggered +=
_ => lotsProcessed += MonitorLotState(lotStateReader);
// Create a WaitSet and attach the StatusCondition
var waitset = new WaitSet();
waitset.AttachCondition(lotStateStatusCondition);
// Add the new DataReader's StatusCondition to the Waitset
waitset.AttachCondition(temperatureStatusCondition);
// Start publishing in a separate thread
var startLotTask = Task.Run(() => PublishStartLot(lotStateWriter, lotsToProcess));
while (!shutdownRequested && lotsProcessed < lotsToProcess)
{
waitset.Dispatch(Duration.FromSeconds(4));
}
startLotTask.Wait();
}
public void Run()
{
#if DBCallTests
DDS.Test.DatabaseTests();
#endif
Console.WriteLine("Press enter to enter...");
Console.ReadLine();
Data.DataTest detectionData = new Data.DataTest();
detectionData.TestId = 3214;
detectionData.Emergency = true;
detectionData.TestStr = "not really";
//detectionData.SeqInt[3] = 23;
#if TestMarshaling
//Tactical.DetectionTypeSupport support = new Tactical.DetectionTypeSupport();
//Tactical.Detection cachedObj = new Tactical.Detection();
//support.Copy(cachedObj, detectionData);
//SampleMarshaler marshaler = SampleMarshalerFactory.CreateMarshaler(detectionData);
//using (SampleMarshalHelper helper = new SampleMarshalHelper(marshaler))
//{
// DDS.OpenSplice.Gapi.Test.test_detection(helper.GapiPtr);
// Tactical.Detection detectionData2 = new Tactical.Detection();
// SampleMarshaler marshaler2 = SampleMarshalerFactory.CreateMarshaler(detectionData2);
// marshaler2.CopyOut(helper.GapiPtr, 0);
//}
//Duration d = new Duration(234, 2343);
//int sec;
//uint nanosec;
//DDS.OpenSplice.Gapi.Test.test_duration(d, out sec, out nanosec);
//LivelinessChangedStatus status;
//DDS.OpenSplice.Gapi.Test.get_liveliness_changed_status(out status);
//Time t = new Time(1, 2);
//int size = Marshal.SizeOf(t);
//IntPtr ptr = Marshal.AllocHGlobal(size);
//Marshal.StructureToPtr(t, ptr, true);
#endif
//DDS.Test.TestDataReaderQos();
//DDS.Test.TestTopicQos();
// Create a DomainParticipantFactory
DomainParticipantFactory dpf = DomainParticipantFactory.Instance;
Console.WriteLine("DomainParticipantFactory: " + dpf);
// Tailor the DomainPartipantFactoryQos;
DomainParticipantFactoryQos dpfQos = null;
ReturnCode result = dpf.GetQos(ref dpfQos);
Console.WriteLine("DomainParticipantFactory.get_qos: {0}", result);
Console.WriteLine("DomainParticipantFactoryQos.entity_factory.autoenable_created_entities: " + dpfQos.EntityFactory.AutoenableCreatedEntities);
dpfQos.EntityFactory.AutoenableCreatedEntities = false;
result = dpf.SetQos(dpfQos);
Console.WriteLine("DomainParticipantFactory.set_qos: {0}", result);
// Get the QOS settings for the Factory... Check values without additional changes
DomainParticipantFactoryQos dpf2Qos = null;
result = dpf.GetQos(ref dpf2Qos);
Console.WriteLine("DomainParticipantFactory.get_qos: {0}", result);
Console.WriteLine("DomainParticipantFactoryQos.entity_factory.autoenable_created_entities: " + dpf2Qos.EntityFactory.AutoenableCreatedEntities);
// Create the domainParticipant itself.
DomainParticipantQos dpQos = new DomainParticipantQos();
dpQos.UserData.Value = new byte[] { (byte)1, (byte)2, (byte)3 };
dpQos.EntityFactory.AutoenableCreatedEntities = true;
dpQos.ListenerScheduling.SchedulingClass.Kind = SchedulingClassQosPolicyKind.ScheduleDefault;
dpQos.ListenerScheduling.SchedulingPriorityKind.Kind = SchedulingPriorityQosPolicyKind.PriorityRelative;
dpQos.ListenerScheduling.SchedulingPriority = 0;
dpQos.WatchdogScheduling.SchedulingClass.Kind = SchedulingClassQosPolicyKind.ScheduleDefault;
dpQos.WatchdogScheduling.SchedulingPriorityKind.Kind = SchedulingPriorityQosPolicyKind.PriorityRelative;
dpQos.WatchdogScheduling.SchedulingPriority = 4;
IDomainParticipant dp = dpf.CreateParticipant(null, dpQos);
Console.Write("DomainParticipant: ");
Console.WriteLine(dp != null ? "yes" : "no");
if (dp.ContainsEntity(0))
{
Console.WriteLine("contains_entity with nil handle incorrect");
}
if (dp.ContainsEntity(100))
{
Console.WriteLine("contains_entity with incorrect handle incorrect");
}
Time currentTime;
dp.GetCurrentTime(out currentTime);
Console.WriteLine("Current Local Time: {0}", currentTime.ToDatetime().ToLocalTime());
// And look up this DomainParticipant.
IDomainParticipant dp2 = dpf.LookupParticipant(null);
DomainParticipantQos dp2Qos = null;
Console.Write("lookup DomainParticipant: ");
Console.WriteLine(dp2 != null ? "Success" : "Fail");
result = dp2.GetQos(ref dp2Qos);
Console.WriteLine("DomainParticipant.get_qos: {0}", result);
Console.WriteLine("DomainParticipantQos.entity_factory.autoenable_created_entities: " + dp2Qos.EntityFactory.AutoenableCreatedEntities);
// Create a new PublisherQos and set some values...
PublisherQos publisherQos = new PublisherQos();
publisherQos.EntityFactory.AutoenableCreatedEntities = true;
publisherQos.Partition.Name = new string[] { "howdy" }; //, "neighbor", "partition" };
// true not supported in 4.1 ??
publisherQos.Presentation.OrderedAccess = false;
// Create the Publisher
dp.Enable();
IPublisher publisher = dp.CreatePublisher(publisherQos);
Console.WriteLine("Create Publisher: {0}", publisher);
//DataWriterQos dwQos;
//publisher.GetDefaultDataWriterQos(out dwQos);
// Create a Detection Type Support and register it's type
Data.DataTestTypeSupport support = new Data.DataTestTypeSupport();
string test2 = support.TypeName;
Console.WriteLine("Register Typesupport");
result = support.RegisterType(dp, support.TypeName);
Console.WriteLine("Register Typesupport Result: {0}", result);
// Create a topic for the Detection type
TopicQos topicQos = null;
result = dp.GetDefaultTopicQos(ref topicQos);
//topicQos.Ownership.Kind = OwnershipQosPolicyKind.ExclusiveOwnershipQos;
//DDS.Test.TestTopicQos2(ref topicQos);
// Add a listener to the topic
ITopic topic = dp.CreateTopic("Data_DataTest", support.TypeName, topicQos,
this, StatusKind.InconsistentTopic);
topicQos.History.Depth = 5;
ITopic topic2 = dp.CreateTopic("Data_DataTest", support.TypeName, topicQos);
// ErrorCode errorCode;
// string msg;
// result = ErrorInfo.Update();
// result = ErrorInfo.GetCode(out errorCode);
// result = ErrorInfo.GetMessage(out msg);
// Create a DataWriter for the topic
Data.IDataTestDataWriter dataWriter = publisher.CreateDataWriter(topic) as Data.IDataTestDataWriter;
// Create a SubscriberQos object and set the partition name
SubscriberQos subscriberQos = null;
result = dp.GetDefaultSubscriberQos(ref subscriberQos);
subscriberQos.Partition.Name = new string[] { "howdy" };
// Create the subscriber
ISubscriber sub = dp.CreateSubscriber(subscriberQos);
// Verify that the subsciber was created...
if (sub == null)
{
Console.WriteLine("Subscriber not created");
return;
}
DDS.DataReaderQos readerQos = null;
sub.GetDefaultDataReaderQos(ref readerQos);
//readerQos.SubscriptionKeys.KeyList = new string[] { "test" };
//readerQos.Durability.Kind = DurabilityQosPolicyKind.TransientDurabilityQos;
//readerQos.Reliability.Kind = ReliabilityQosPolicyKind.ReliableReliabilityQos;
// Create a DataReader for the Detection topic
Data.IDataTestDataReader dataReader = sub.CreateDataReader(topic, readerQos, this, StatusKind.DataAvailable)
as Data.IDataTestDataReader;
// Create a filtered detection topic (only read detections that have an id != 4)
IContentFilteredTopic filteredTopic = dp.CreateContentFilteredTopic("Another", topic, "TestId <> %0", "4");
string[] testParams = null;
result = filteredTopic.GetExpressionParameters(ref testParams);
result = filteredTopic.SetExpressionParameters("hello", "test");
result = filteredTopic.GetExpressionParameters(ref testParams);
// Create a DataReader to read the filtered topic
IDataReader reader2 = sub.CreateDataReader(filteredTopic);
IQueryCondition queryCondition = dataReader.CreateQueryCondition(
"TestId = %0",
"234");
// just for testing...
//GC.Collect();
// WaitSet
WaitSet waitSet = new WaitSet();
// either use status conditions...or
IStatusCondition sc = reader2.StatusCondition;
sc.SetEnabledStatuses(StatusKind.DataAvailable);
waitSet.AttachCondition(sc);
IStatusCondition sc2 = reader2.StatusCondition;
// read conditions...
// IReadCondition readCond = reader2.CreateReadCondition();
// waitSet.AttachCondition(readCond);
ICondition[] cond = null;
//waitSet.Wait(ref cond, Duration.Infinite);
Console.WriteLine("Press enter to write data");
Console.ReadLine();
detectionData.SequenceTest = new int[1];// new System.Collections.Generic.List<int>();
//detectionData.SequenceTest.Add(4);
detectionData.SequenceTest[0] = 4;
// Write detection data
result = dataWriter.Write(detectionData);
detectionData = new Data.DataTest();
detectionData.TestId = 234;
dataWriter.Write(detectionData, InstanceHandle.Nil);
detectionData = new Data.DataTest();
detectionData.TestId = 235;
dataWriter.Write(detectionData);
detectionData = new Data.DataTest();
detectionData.TestId = 236;
dataWriter.Write(detectionData);
detectionData = new Data.DataTest();
detectionData.TestId = 237;
dataWriter.Write(detectionData);
Console.WriteLine("Press enter to read data");
Console.ReadLine();
// Read the data
SampleInfo[] infos = null;
Data.DataTest[] dataValues = null;
// result = dataReader.ReadWithCondition(ref dataValues, ref infos, DDS.Length.Unlimited, queryCondition);
result = dataReader.Read(ref dataValues, ref infos);
Console.WriteLine("dataReader: {0}", dataReader);
if (dataValues != null)
{
Console.WriteLine("Number of samples received: {0}", dataValues.Length);
for (int index = 0; index < dataValues.Length; index++)
{
Console.WriteLine("TestId: {0}, ProviderId: {1}, Emergency: {2}, TestStr: {3}", dataValues[index].TestId,
dataValues[index].ProviderId, dataValues[index].Emergency, dataValues[index].TestStr);
Console.WriteLine("info: ValidData: {0}, InstHandle: {1}, PubHandle:{2}, SourceTS: {3}, ArrivalTS: {4}, sample: {5}, view: {6}, instance: {7}",
infos[index].ValidData,
infos[index].InstanceHandle, infos[index].PublicationHandle,
infos[index].SourceTimestamp, infos[index].ArrivalTimestamp,
infos[index].SampleState, infos[index].ViewState, infos[index].InstanceState);
}
}
Console.WriteLine("Press enter to cleanup");
Console.ReadLine();
Console.WriteLine("DeleteContainedEntities");
result = dp.DeleteContainedEntities();
// If you don't use DeleteContainedEntities then you must delete everything that was created
//result = sub.DeleteDataReader(dataReader);
//result = publisher.DeleteDataWriter(dataWriter);
//result = dp.DeleteTopic(topic);
//result = dp.DeletePublisher(publisher);
//result = dp.DeleteSubscriber(sub);
Console.WriteLine("DeleteParticipant");
result = dpf.DeleteParticipant(dp);
Console.WriteLine("Press enter to exit");
Console.ReadLine();
}
private void RunExample(int domainId, string sensorId)
{
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// DomainParticipant QoS is configured in USER_QOS_PROFILES.xml
DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(domainId);
// A Topic has a name and a datatype. Create Topics using the types
// defined in chocolate_factory.xml
var provider = new QosProvider("../chocolate_factory.xml");
Topic <Temperature> temperatureTopic = participant.CreateTopic(
"ChocolateTemperature",
types.Temperature);
Topic <ChocolateLotState> lotStateTopic = participant.CreateTopic(
"ChocolateLotState",
types.ChocolateLotState);
// A Publisher allows an application to create one or more DataWriters
// Publisher QoS is configured in USER_QOS_PROFILES.xml
Publisher publisher = participant.CreatePublisher();
// Create DataWriters of Topics "ChocolateTemperature" & "ChocolateLotState"
// DataWriter QoS is configured in USER_QOS_PROFILES.xml
DataWriter <Temperature> temperatureWriter =
publisher.CreateDataWriter(temperatureTopic);
DataWriter <ChocolateLotState> lotStateWriter =
publisher.CreateDataWriter(lotStateTopic);
// A Subscriber allows an application to create one or more DataReaders
// Subscriber QoS is configured in USER_QOS_PROFILES.xml
Subscriber subscriber = participant.CreateSubscriber();
// This DataReader reads data of type Temperature on Topic
// "ChocolateTemperature". DataReader QoS is configured in
// USER_QOS_PROFILES.xml
DataReader <ChocolateLotState> lotStateReader =
subscriber.CreateDataReader(lotStateTopic);
// Obtain the DataReader's Status Condition
StatusCondition statusCondition = lotStateReader.StatusCondition;
// Enable the 'data available' status.
statusCondition.EnabledStatuses = StatusMask.DataAvailable;
// Associate an event handler with the status condition.
// This will run when the condition is triggered, in the context of
// the dispatch call (see below)
statusCondition.Triggered +=
_ => ProcessLot(lotStateReader, lotStateWriter);
// Create a WaitSet and attach the StatusCondition
var waitset = new WaitSet();
waitset.AttachCondition(statusCondition);
// Create a thread to periodically publish the temperature
Console.WriteLine($"ChocolateTemperature Sensor with ID: {sensorId} starting");
var temperatureTask = Task.Run(
() => PublishTemperature(temperatureWriter, sensorId));
while (!shutdownRequested)
{
// Wait for ChocolateLotState
Console.WriteLine("Waiting for lot");
waitset.Dispatch(Duration.FromSeconds(4));
}
temperatureTask.Wait();
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("WaitSet");
String partitionName = "WaitSet example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
MsgTypeSupport msgTS = new MsgTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("WaitSetData_Msg");
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader(false);
// Read Events
IDataReader dreader = mgr.getReader();
MsgDataReader WaitSetReader = dreader as MsgDataReader;
// Create a WaitSet
WaitSet w = new WaitSet();
// Create a ReadCondition
IReadCondition readCond = WaitSetReader.CreateReadCondition(SampleStateKind.NotRead, ViewStateKind.New, InstanceStateKind.Alive);
ErrorHandler.checkHandle(readCond, "DataReader.CreateReadCondition");
// Create a QueryCondition
String[] queryStr = { "Hello again" };
Console.WriteLine("=== [WaitSetDataSubscriber] Query : message = \"Hello again");
IQueryCondition queryCond = WaitSetReader.CreateQueryCondition("message=%0", queryStr);
ErrorHandler.checkHandle(queryCond, "DataReader.CreateQueryCondition");
// Obtain a StatusCondition
IStatusCondition statusCond;
statusCond = dreader.StatusCondition;
statusCond.SetEnabledStatuses(StatusKind.LivelinessChanged);
ErrorHandler.checkHandle(statusCond, "DataReader.StatusCondition");
GuardCondition escape;
escape = new GuardCondition();
ReturnCode result;
result = w.AttachCondition(statusCond);
ErrorHandler.checkStatus(result, "WaitSet.AttachCondition (status)");
result = w.AttachCondition(readCond);
ErrorHandler.checkStatus(result, "WaitSet.AttachCondition (read)");
result = w.AttachCondition(queryCond);
ErrorHandler.checkStatus(result, "WaitSet.AttachCondition (query)");
result = w.AttachCondition(escape);
ErrorHandler.checkStatus(result, "WaitSet.AttachCondition (guard)");
/* Initialize and pre-allocate the GuardList used to obtain
* the triggered Conditions. */
ICondition[] guardList = new ICondition[4];
DDS.SampleInfo[] infoSeq = null;
Msg[] msgSeq = null;
bool escaped = false;
bool writerLeft = false;
int prevCount = 0;
int count = 0;
Console.WriteLine("=== [WaitSetDataSubscriber] Ready ...");
while (!escaped && count < 20)
{
/**
* Wait until data will be available
*/
Duration wait_timeout = new Duration(Duration.InfiniteSec, Duration.InfiniteNanoSec);
result = w.Wait(ref guardList, wait_timeout);
ErrorHandler.checkStatus(result, "WaitSet.Wait");
/* Walk over all guards to display information */
foreach (ICondition guard in guardList)
{
if (guard == readCond)
{
result = WaitSetReader.ReadWithCondition(ref msgSeq, ref infoSeq,
Length.Unlimited, readCond);
ErrorHandler.checkStatus(result, "WaitSetReader.ReadWithCondition");
foreach (Msg msg in msgSeq)
{
Console.WriteLine(" --- New message received --- ");
Console.WriteLine(" userID: {0}", msg.userID);
Console.WriteLine(" Message : \"{0}", msg.message);
}
result = WaitSetReader.ReturnLoan(ref msgSeq, ref infoSeq);
ErrorHandler.checkStatus(result, "WaitSet.ReturnLoan");
}
else if (guard == queryCond)
{
result = WaitSetReader.TakeWithCondition(ref msgSeq, ref infoSeq,
Length.Unlimited, queryCond);
ErrorHandler.checkStatus(result, "WaitSetReader.TakeWithCondition");
foreach (Msg msg in msgSeq)
{
Console.WriteLine(" --- New message received with QueryCondition --- ");
Console.WriteLine(" userID: {0}", msg.userID);
Console.WriteLine(" Message : \" {0}", msg.message);
}
result = WaitSetReader.ReturnLoan(ref msgSeq, ref infoSeq);
ErrorHandler.checkStatus(result, "WaitSet.ReturnLoan");
}
else if (guard == statusCond)
{
LivelinessChangedStatus livelinessStatus = new LivelinessChangedStatus();
result = WaitSetReader.GetLivelinessChangedStatus(ref livelinessStatus);
ErrorHandler.checkStatus(result, "DataReader.getLivelinessChangedStatus");
if (livelinessStatus.AliveCount < prevCount)
{
Console.WriteLine("!!! A WaitSetDataWriter lost its liveliness");
writerLeft = true;
Console.WriteLine("Triggering escape condition.");
ReturnCode status = escape.SetTriggerValue(true);
}
else
{
Console.WriteLine("!!! A WaitSetDataWriter joined");
}
prevCount = livelinessStatus.AliveCount;
}
else if (guard == escape)
{
Console.WriteLine("WaitSetSubscriber has terminated.");
escaped = true;
ReturnCode status = escape.SetTriggerValue(false);
}
else
{
// Unknown Condition
}
}
++count;
}
// Detach all Conditions from the WaitSet
result = w.DetachCondition(escape);
ErrorHandler.checkStatus(result, "WaitSet.DetachCondition (escape)");
result = w.DetachCondition(readCond);
ErrorHandler.checkStatus(result, "WaitSet.DetachCondition (readCond)");
result = w.DetachCondition(queryCond);
ErrorHandler.checkStatus(result, "WaitSet.DetachCondition (queryCond)");
result = w.DetachCondition(statusCond);
ErrorHandler.checkStatus(result, "WaitSet.DetachCondition (statusCond)");
Console.WriteLine("=== [Subscriber] Closed");
// clean up
WaitSetReader.DeleteReadCondition(readCond);
WaitSetReader.DeleteReadCondition(queryCond);
mgr.getSubscriber().DeleteDataReader(WaitSetReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
bool automatic = true;
if (args.Length > 1)
{
automatic = args[0].Equals("true");
}
string hostName;
DDSEntityManager mgr = new DDSEntityManager("BuiltInTopics");
// create domain participant
mgr.createParticipant("BuiltInTopics");
// Resolve the built-in Subscriber
ISubscriber builtInSubscriber = mgr.getParticipant().BuiltInSubscriber;
// Lookup the DataReader for the DCPSParticipant built-in Topic
IDataReader reader = builtInSubscriber.LookupDataReader("DCPSParticipant");
// Cast the DataReader to a ParticipantBuiltInTopicDataReader
ParticipantBuiltinTopicDataDataReader participantReader = reader as ParticipantBuiltinTopicDataDataReader;
ErrorHandler.checkHandle(participantReader, "ParticipantBuiltInTopicDataReader narrow");
// Allocate a new typed seq for data samples
ParticipantBuiltinTopicData[] data = null;
// Allocate a new seq for sample infos
SampleInfo[] info = null;
Console.WriteLine("=== [BuiltInTopicsDataSubscriber] : Waiting for historical data ... ");
participantReader.WaitForHistoricalData(Duration.Infinite);
Console.WriteLine("=== [BuiltInTopicsDataSubscriber] : done");
// Create a new ReadCondition for the reader that matches all samples
IReadCondition readCond = participantReader.CreateReadCondition(SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkHandle(readCond, "DataReader.CreateReadCondition");
// Create a waitset and add the ReadCondition created above
WaitSet aWaitSet = new WaitSet();
ReturnCode status = aWaitSet.AttachCondition(readCond);
ErrorHandler.checkStatus(status, "WaitSet.AttachCondition");
// Initialize and pre-allocate the seq used to obtain the triggered Conditions.
ICondition[] condSeq = new ICondition[0];
// Allocate a map store node information later on
// The key of map is the id of the node and the value is the
// number of active participants on that node. A Dictionary is used
// as an UnorderedMap.
Dictionary <int, int> nodes = new Dictionary <int, int>();
// Allocate a map to store node information later on.
// The key of the map is the id of the node and the value is the
// name of the node. A Dictionary is used as an UnorderedMap.
Dictionary <int, string> nodeNames = new Dictionary <int, string>();
Console.WriteLine("=== [BuiltInTopicsDataSubscriber] Ready ...");
// Block the current thread until the attached condition becomes true
// or the user interrupts.
status = aWaitSet.Wait(ref condSeq, Duration.Infinite);
ErrorHandler.checkStatus(status, "WaitSet.Wait");
bool done = false;
// Continue processing until interrupted.
while (!done)
{
// Take all the available data from the reader
status = participantReader.Take(ref data, ref info, Length.Unlimited,
SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkStatus(status, "ParticipantBuiltinTopicDataDataReader.Take");
// Verify the data has been taken
if (status == ReturnCode.Ok)
{
// Iterate the list of taken samples.
for (int i = 0; i < data.Length; i++)
{
// Resolve the node identification
int nodeId = data[i].Key[0];
// Initialise the number of participants for a node
int participantCount = 0;
// Check if we saw a participant for the node before.
if (nodes.ContainsKey(nodeId))
{
participantCount = nodes[nodeId];
}
// Check sample info to see whether the instance is ALIVE.
if (info[i].InstanceState == InstanceStateKind.Alive)
{
// The splicedaemon publishes the host-name in the
// user_data field
if (data[i].UserData.Value.Length != 0)
{
hostName = Encoding.UTF8.GetString(data[i].UserData.Value);
nodeNames[nodeId] = hostName;
}
else
{
hostName = null;
}
// Increase the number of participants.
participantCount++;
// Update the number of participants for the node.
nodes[nodeId] = participantCount;
// If it's the first participant, report the node is up.
if (participantCount == 1)
{
Console.WriteLine("=== [BuiltInTopicsDataSubscriber] Node ' {0} ' started (Total nodes running: {1} ) participantCount = {2}",
nodeId, nodes.Count, participantCount);
}
if (hostName != null)
{
Console.WriteLine("=== [BuiltInTopicsDataSubscriber] Hostname for node ' {0} ' is hostname: {1}", nodeId, hostName);
}
}
else
{
// Decrease the number of participants.
participantCount--;
// If no more participants exist, report the node is down.
if (participantCount == 0)
{
hostName = nodeNames[nodeId];
nodeNames.Remove(nodeId);
nodes.Remove(nodeId);
if (hostName != null)
{
Console.WriteLine("=== [BuiltInTopicsDataSubscriber] Node {0} ({1}) stopped (Total nodes running: ({2})",
nodeId, hostName, nodes.Count);
}
else
{
Console.WriteLine("=== [BuiltInTopicsDataSubscriber] Node {0} stopped (Total nodes running : {1})",
nodeId, nodes.Count);
}
}
else if (participantCount > 0)
{
nodes[nodeId] = participantCount;
}
}
}
}
status = participantReader.ReturnLoan(ref data, ref info);
ErrorHandler.checkStatus(status, "ParticipantReader.ReturnLoan");
if (!automatic)
{
// Block the current thread until the attached condition becomes
// true or the user interrupts.
Console.WriteLine("=== [BuiltInTopicsDataSubscriber] Waiting ... ");
status = aWaitSet.Wait(ref condSeq, Duration.Infinite);
done = (status != ReturnCode.Ok);
}
else
{
done = true;
}
}
// Delete read condition
status = participantReader.DeleteReadCondition(readCond);
ErrorHandler.checkStatus(status, "DataReader.DeleteReadCondition");
// Recursively delete all entities in the DomainParticipant.
mgr.getParticipant().DeleteContainedEntities();
// Delete DomainParticipant
mgr.getDomainParticipantFactory().DeleteParticipant(mgr.getParticipant());
}
public void TestDetachConditions()
{
// Initialize
WaitSet waitSet = new WaitSet();
GuardCondition guardCondition = new GuardCondition();
GuardCondition otherGuardCondition = new GuardCondition();
GuardCondition anotherGuardCondition = new GuardCondition();
ReturnCode result = waitSet.AttachCondition(guardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
result = waitSet.AttachCondition(otherGuardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
result = waitSet.AttachCondition(anotherGuardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
// Test with null parameter
result = waitSet.DetachConditions(null);
Assert.AreEqual(ReturnCode.Ok, result);
// Test with empty list parameter
List <Condition> conditions = new List <Condition>();
result = waitSet.DetachConditions(conditions);
Assert.AreEqual(ReturnCode.Ok, result);
// Test with single element list parameter
conditions = new List <Condition>()
{
guardCondition
};
result = waitSet.DetachConditions(conditions);
Assert.AreEqual(ReturnCode.Ok, result);
conditions = new List <Condition>()
{
null
};
result = waitSet.GetConditions(conditions);
Assert.AreEqual(ReturnCode.Ok, result);
Assert.IsNotNull(conditions);
Assert.AreEqual(2, conditions.Count);
Assert.IsNotNull(conditions[0]);
Assert.IsNotNull(conditions[1]);
Assert.IsTrue(conditions[0] != conditions[1]);
Assert.IsTrue(anotherGuardCondition == conditions[0] || anotherGuardCondition == conditions[1]);
Assert.IsTrue(otherGuardCondition == conditions[0] || otherGuardCondition == conditions[1]);
// Detach the other conditions
conditions = new List <Condition>()
{
otherGuardCondition, anotherGuardCondition
};
result = waitSet.DetachConditions(conditions);
Assert.AreEqual(ReturnCode.Ok, result);
conditions = new List <Condition>()
{
null
};
result = waitSet.GetConditions(conditions);
Assert.AreEqual(ReturnCode.Ok, result);
Assert.IsNotNull(conditions);
Assert.AreEqual(0, conditions.Count);
// Detach a not attached conditions
GuardCondition notAttachedCondition = new GuardCondition();
conditions = new List <Condition>()
{
notAttachedCondition
};
result = waitSet.DetachConditions(conditions);
Assert.AreEqual(ReturnCode.PreconditionNotMet, result);
}
private void RunExample(int domainId, string sensorId)
{
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// Uses TemperingApplication QoS profile to set participant name.
var qosProvider = new QosProvider("./qos_profiles.xml");
var participantQos = qosProvider.GetDomainParticipantQos(
"ChocolateFactoryLibrary::TemperingApplication");
DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(domainId, participantQos);
// Create the topics
Topic <Temperature> temperatureTopic =
participant.CreateTopic <Temperature>("ChocolateTemperature");
Topic <ChocolateLotState> lotStateTopic =
participant.CreateTopic <ChocolateLotState>("ChocolateLotState");
// Exercise #1.1: Create a Content-Filtered Topic that filters out
// chocolate lot state unless the next_station = TEMPERING_CONTROLLER
// A Publisher allows an application to create one or more DataWriters
// Create Publisher with default QoS.
Publisher publisher = participant.CreatePublisher();
// Create DataWriter of Topic "ChocolateTemperature"
// using ChocolateTemperatureProfile QoS profile for Streaming Data
DataWriter <Temperature> temperatureWriter = publisher.CreateDataWriter(
temperatureTopic,
qos: qosProvider.GetDataWriterQos("ChocolateFactoryLibrary::ChocolateTemperatureProfile"));
// Create DataWriter of Topic "ChocolateLotState"
// using ChocolateLotStateProfile QoS profile for State Data
DataWriter <ChocolateLotState> lotStateWriter = publisher.CreateDataWriter(
lotStateTopic,
qos: qosProvider.GetDataWriterQos("ChocolateFactoryLibrary::ChocolateLotStateProfile"));
// A Subscriber allows an application to create one or more DataReaders
Subscriber subscriber = participant.CreateSubscriber();
// Create DataReader of Topic "ChocolateLotState".
// using ChocolateLotStateProfile QoS profile for State Data
// Exercise #1.2: Change the DataReader's Topic to use a
// Content-Filtered Topic
DataReader <ChocolateLotState> lotStateReader = subscriber.CreateDataReader(
lotStateTopic,
qos: qosProvider.GetDataReaderQos("ChocolateFactoryLibrary::ChocolateLotStateProfile"),
preEnableAction: reader => reader.RequestedIncompatibleQos += OnRequestedIncompatibleQos);
// Obtain the DataReader's Status Condition
StatusCondition statusCondition = lotStateReader.StatusCondition;
// Enable the 'data available' status.
statusCondition.EnabledStatuses = StatusMask.DataAvailable;
// Associate an event handler with the status condition.
// This will run when the condition is triggered, in the context of
// the dispatch call (see below)
statusCondition.Triggered +=
_ => ProcessLot(lotStateReader, lotStateWriter);
// Create a WaitSet and attach the StatusCondition
var waitset = new WaitSet();
waitset.AttachCondition(statusCondition);
// Create a thread to periodically publish the temperature
Console.WriteLine($"ChocolateTemperature Sensor with ID: {sensorId} starting");
var temperatureTask = Task.Run(
() => PublishTemperature(temperatureWriter, sensorId));
while (!shutdownRequested)
{
// Wait for ChocolateLotState
Console.WriteLine("Waiting for lot");
waitset.Dispatch(Duration.FromSeconds(10));
}
temperatureTask.Wait();
}
private void RunExample(
int domainId = 0,
uint lotsToProcess = 10)
{
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// DomainParticipant QoS is configured in USER_QOS_PROFILES.xml
DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(domainId);
// A Topic has a name and a datatype. Create a Topic named
// "ChocolateLotState" with type ChocolateLotState
// In this example we use a DynamicType defined in XML, which creates
// a DynamicData topic.
Topic <ChocolateLotState> lotStateTopic = participant.CreateTopic(
"ChocolateLotState",
types.ChocolateLotState);
// Exercise #4.1: Add a Topic for Temperature to this application
Topic <Temperature> temperatureTopic = participant.CreateTopic(
"ChocolateTemperature",
types.Temperature);
// A Publisher allows an application to create one or more DataWriters
// Publisher QoS is configured in USER_QOS_PROFILES.xml
Publisher publisher = participant.CreatePublisher();
// This DataWriter writes data on Topic "ChocolateLotState"
// DataWriter QoS is configured in USER_QOS_PROFILES.xml
DataWriter <ChocolateLotState> lotStateWriter =
publisher.CreateDataWriter(lotStateTopic);
// A Subscriber allows an application to create one or more DataReaders
// Subscriber QoS is configured in USER_QOS_PROFILES.xml
Subscriber subscriber = participant.CreateSubscriber();
// Create DataReader of Topic "ChocolateLotState".
// DataReader QoS is configured in USER_QOS_PROFILES.xml
DataReader <ChocolateLotState> lotStateReader =
subscriber.CreateDataReader(lotStateTopic);
// Exercise #4.2: Add a DataReader for Temperature to this application
DataReader <Temperature> temperatureReader =
subscriber.CreateDataReader(temperatureTopic);
// Obtain the DataReader's Status Condition
StatusCondition temperatureStatusCondition = temperatureReader.StatusCondition;
temperatureStatusCondition.EnabledStatuses = StatusMask.DataAvailable;
// Associate a handler with the status condition. This will run when the
// condition is triggered, in the context of the dispatch call (see below)
temperatureStatusCondition.Triggered += _ => MonitorTemperature(temperatureReader);
// Do the same with the lotStateReader's StatusCondition
StatusCondition lotStateStatusCondition = lotStateReader.StatusCondition;
lotStateStatusCondition.EnabledStatuses = StatusMask.DataAvailable;
int lotsProcessed = 0;
lotStateStatusCondition.Triggered +=
_ => lotsProcessed += MonitorLotState(lotStateReader);
// Create a WaitSet and attach the StatusCondition
WaitSet waitset = new WaitSet();
waitset.AttachCondition(lotStateStatusCondition);
// Exercise #4.3: Add the new DataReader's StatusCondition to the Waitset
waitset.AttachCondition(temperatureStatusCondition);
var startLotTask = Task.Run(() => PublishStartLot(lotStateWriter, lotsToProcess));
while (!shutdownRequested && lotsProcessed < lotsToProcess)
{
waitset.Dispatch(Duration.FromSeconds(4));
}
startLotTask.Wait();
}
// Exercise #4.4: Add monitor_temperature function
private void RunExample(
int domainId = 0,
uint lotsToProcess = 10)
{
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// DomainParticipant QoS is configured in USER_QOS_PROFILES.xml
DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(domainId);
// A Topic has a name and a datatype. Create a Topic named
// "ChocolateLotState" with type ChocolateLotState.
Topic <ChocolateLotState> lotStateTopic = participant.CreateTopic <ChocolateLotState>(
"ChocolateLotState");
// Exercise #4.1: Add a Topic for Temperature to this application
// A Publisher allows an application to create one or more DataWriters
// Publisher QoS is configured in USER_QOS_PROFILES.xml
Publisher publisher = participant.CreatePublisher();
// This DataWriter writes data on Topic "ChocolateLotState"
// DataWriter QoS is configured in USER_QOS_PROFILES.xml
DataWriter <ChocolateLotState> lotStateWriter =
publisher.CreateDataWriter(lotStateTopic);
// A Subscriber allows an application to create one or more DataReaders
// Subscriber QoS is configured in USER_QOS_PROFILES.xml
Subscriber subscriber = participant.CreateSubscriber();
// Create DataReader of Topic "ChocolateLotState".
// DataReader QoS is configured in USER_QOS_PROFILES.xml
DataReader <ChocolateLotState> lotStateReader =
subscriber.CreateDataReader(lotStateTopic);
// Exercise #4.2: Add a DataReader for Temperature to this application
// Obtain the DataReader's Status Condition
StatusCondition lotStateStatusCondition = lotStateReader.StatusCondition;
// Enable the 'data available' status.
lotStateStatusCondition.EnabledStatuses = StatusMask.DataAvailable;
int lotsProcessed = 0;
lotStateStatusCondition.Triggered +=
_ => lotsProcessed += MonitorLotState(lotStateReader);
// Create a WaitSet and attach the StatusCondition
WaitSet waitset = new WaitSet();
waitset.AttachCondition(lotStateStatusCondition);
// Exercise #4.3: Add the new DataReader's StatusCondition to the Waitset
// Start publishing in a separate thread
var startLotTask = Task.Run(() => PublishStartLot(lotStateWriter, lotsToProcess));
while (!shutdownRequested && lotsProcessed < lotsToProcess)
{
waitset.Dispatch(Duration.FromSeconds(4));
}
startLotTask.Wait();
}
private void RunExample(
int domainId = 0,
uint lotsToProcess = 10)
{
// Loads the QoS from the qos_profiles.xml file.
var qosProvider = new QosProvider("./qos_profiles.xml");
// A DomainParticipant allows an application to begin communicating in
// a DDS domain. Typically there is one DomainParticipant per application.
// Load DomainParticipant QoS profile
var participantQos = qosProvider.GetDomainParticipantQos(
"ChocolateFactoryLibrary::MonitoringControlApplication");
DomainParticipant participant = DomainParticipantFactory.Instance
.CreateParticipant(domainId, participantQos);
// A Topic has a name and a datatype. Create a Topic with type
// ChocolateLotState. Topic name is a constant defined in the IDL file.
Topic <ChocolateLotState> lotStateTopic =
participant.CreateTopic <ChocolateLotState>("ChocolateLotState");
// Add a Topic for Temperature to this application
Topic <Temperature> temperatureTopic =
participant.CreateTopic <Temperature>("ChocolateTemperature");
ContentFilteredTopic <Temperature> filteredTemperatureTopic =
participant.CreateContentFilteredTopic(
name: "FilteredTemperature",
relatedTopic: temperatureTopic,
filter: new Filter(
expression: "degrees > %0 or degrees < %1",
parameters: new string[] { "32", "30" }));
// A Publisher allows an application to create one or more DataWriters
// Publisher QoS is configured in USER_QOS_PROFILES.xml
Publisher publisher = participant.CreatePublisher();
// This DataWriter writes data on Topic "ChocolateLotState"
var writerQos = qosProvider.GetDataWriterQos(
"ChocolateFactoryLibrary::ChocolateLotStateProfile");
DataWriter <ChocolateLotState> lotStateWriter =
publisher.CreateDataWriter(lotStateTopic, writerQos);
// A Subscriber allows an application to create one or more DataReaders
// Subscriber QoS is configured in USER_QOS_PROFILES.xml
Subscriber subscriber = participant.CreateSubscriber();
// Create DataReader of Topic "ChocolateLotState".
// DataReader QoS is configured in USER_QOS_PROFILES.xml
var readerQos = qosProvider.GetDataReaderQos(
"ChocolateFactoryLibrary::ChocolateLotStateProfile");
DataReader <ChocolateLotState> lotStateReader =
subscriber.CreateDataReader(lotStateTopic, readerQos);
// Add a DataReader for Temperature to this application
readerQos = qosProvider.GetDataReaderQos(
"ChocolateFactoryLibrary::ChocolateTemperatureProfile");
DataReader <Temperature> temperatureReader =
subscriber.CreateDataReader(filteredTemperatureTopic, readerQos);
// Obtain the DataReader's Status Condition
StatusCondition temperatureStatusCondition = temperatureReader.StatusCondition;
temperatureStatusCondition.EnabledStatuses = StatusMask.DataAvailable;
// Associate a handler with the status condition. This will run when the
// condition is triggered, in the context of the dispatch call (see below)
temperatureStatusCondition.Triggered +=
_ => MonitorTemperature(temperatureReader);
// Do the same with the lotStateReader's StatusCondition
StatusCondition lotStateStatusCondition = lotStateReader.StatusCondition;
lotStateStatusCondition.EnabledStatuses = StatusMask.DataAvailable;
int lotsProcessed = 0;
lotStateStatusCondition.Triggered +=
_ => lotsProcessed += MonitorLotState(lotStateReader);
// Create a WaitSet and attach the StatusCondition
var waitset = new WaitSet();
waitset.AttachCondition(lotStateStatusCondition);
// Add the new DataReader's StatusCondition to the Waitset
waitset.AttachCondition(temperatureStatusCondition);
// Start publishing in a separate thread
var startLotTask = Task.Run(() => PublishStartLot(lotStateWriter, lotsToProcess));
while (!shutdownRequested && lotsProcessed < lotsToProcess)
{
waitset.Dispatch(Duration.FromSeconds(4));
}
startLotTask.Wait();
}
public void TestWait()
{
// Initialize
WaitSet waitSet = new WaitSet();
GuardCondition guardCondition = new GuardCondition();
ReturnCode result = waitSet.AttachCondition(guardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
// Test with null conditions
result = waitSet.Wait(null);
Assert.AreEqual(ReturnCode.BadParameter, result);
// Attach again should return OK but not actually add another condition to the WaitSet
result = waitSet.AttachCondition(guardCondition);
Assert.AreEqual(ReturnCode.Ok, result);
List <Condition> conditions = new List <Condition>();
result = waitSet.GetConditions(conditions);
Assert.AreEqual(ReturnCode.Ok, result);
Assert.IsNotNull(conditions);
Assert.AreEqual(1, conditions.Count);
Assert.AreEqual(guardCondition, conditions[0]);
// Test thread wait infinite
int count = 0;
Thread thread = new Thread(() =>
{
result = waitSet.Wait(conditions);
Assert.AreEqual(ReturnCode.Ok, result);
Assert.IsNotNull(conditions);
Assert.AreEqual(1, conditions.Count);
Assert.AreEqual(guardCondition, conditions[0]);
guardCondition.TriggerValue = false;
count++;
});
thread.Start();
guardCondition.TriggerValue = true;
thread.Join();
Assert.AreEqual(1, count);
// Test timeout
count = 0;
thread = new Thread(() =>
{
result = waitSet.Wait(conditions, new Duration {
Seconds = 0, NanoSeconds = 100000000
});
Assert.AreEqual(ReturnCode.Timeout, result);
Assert.IsNotNull(conditions);
Assert.AreEqual(0, conditions.Count);
count++;
});
thread.Start();
thread.Join();
Assert.AreEqual(1, count);
// Test exit before timeout
count = 0;
thread = new Thread(() =>
{
result = waitSet.Wait(conditions, new Duration {
Seconds = 5
});
Assert.AreEqual(ReturnCode.Ok, result);
Assert.IsNotNull(conditions);
Assert.AreEqual(1, conditions.Count);
Assert.AreEqual(guardCondition, conditions[0]);
Assert.IsTrue(guardCondition.TriggerValue);
guardCondition.TriggerValue = false;
count++;
});
thread.Start();
guardCondition.TriggerValue = true;
thread.Join();
Assert.AreEqual(1, count);
}
static void Main(string[] args)
{
bool useListener = true;
OpenDDSharp.Ace.Init();
ParticipantService participantService = ParticipantService.Instance;
DomainParticipantFactory domainFactory = participantService.GetDomainParticipantFactory(args);
DomainParticipantQos qos = new DomainParticipantQos();
qos.EntityFactory.AutoenableCreatedEntities = false;
qos.UserData.Value = Encoding.UTF8.GetBytes("sometext");
DomainParticipant participant = domainFactory.CreateParticipant(42, qos);
if (participant == null)
{
throw new Exception("Could not create the participant");
}
DomainParticipantQos aux = new DomainParticipantQos();
ReturnCode ret = participant.GetQos(aux);
aux.EntityFactory.AutoenableCreatedEntities = true;
ret = participant.SetQos(aux);
if (participant != null)
{
TestStructTypeSupport support = new TestStructTypeSupport();
string typeName = support.GetTypeName();
ReturnCode result = support.RegisterType(participant, typeName);
if (result != ReturnCode.Ok)
{
throw new Exception("Could not register the type");
}
Topic topic = participant.CreateTopic("TopicName", typeName);
Publisher publisher = participant.CreatePublisher();
if (publisher == null)
{
throw new Exception("Could not create the publisher");
}
DataWriter dw = publisher.CreateDataWriter(topic);
if (dw == null)
{
throw new Exception("Could not create the datawriter");
}
TestStructDataWriter dataWriter = new TestStructDataWriter(dw);
Subscriber subscriber = participant.CreateSubscriber();
if (subscriber == null)
{
throw new Exception("Could not create the subscribre");
}
MyDataListener listener = null;
if (useListener)
{
listener = new MyDataListener();
}
DataReader dataReader = subscriber.CreateDataReader(topic, listener, StatusKind.DataAvailableStatus);
if (dataReader == null)
{
throw new Exception("Could not create the datareader");
}
WaitSet waitSet = null;
StatusCondition statusCondition = null;
if (!useListener)
{
waitSet = new WaitSet();
statusCondition = dataReader.StatusCondition;
waitSet.AttachCondition(statusCondition);
statusCondition.EnabledStatuses = StatusKind.DataAvailableStatus;
new System.Threading.Thread(delegate()
{
ICollection <Condition> conditions = new List <Condition>();
Duration duration = new Duration
{
Seconds = Duration.InfiniteSeconds
};
waitSet.Wait(conditions, duration);
foreach (Condition cond in conditions)
{
if (cond == statusCondition && cond.TriggerValue)
{
StatusCondition sCond = (StatusCondition)cond;
StatusMask mask = sCond.EnabledStatuses;
if ((mask & StatusKind.DataAvailableStatus) != 0)
{
DataAvailable(dataReader);
}
}
}
}).Start();
}
TestStruct test = new TestStruct
{
RawData = "Hello, I love you, won't you tell me your name?"
};
test.LongSequence.Add(20);
test.LongSequence.Add(10);
test.LongSequence.Add(0);
test.StringSequence.Add("Hello,");
test.StringSequence.Add("I love you");
test.StringSequence.Add("won't you tell me your name?");
test.LongDoubleType = 1.1;
test.LongDoubleSequence.Add(1.1);
test.LongDoubleSequence.Add(2.2);
test.LongDoubleSequence.Add(3.3);
test.LongArray[0, 0] = 1;
test.LongArray[0, 1] = 2;
test.LongArray[0, 2] = 3;
test.LongArray[0, 3] = 4;
test.LongArray[1, 0] = 1;
test.LongArray[1, 1] = 2;
test.LongArray[1, 2] = 3;
test.LongArray[1, 3] = 4;
test.LongArray[2, 0] = 1;
test.LongArray[2, 1] = 2;
test.LongArray[2, 2] = 3;
test.LongArray[2, 3] = 4;
test.StringArray[0, 0] = "Hello,";
test.StringArray[0, 1] = "I love you,";
test.StringArray[1, 0] = "won't you tell me";
test.StringArray[1, 1] = "your name?";
test.StructArray[0, 0] = new BasicTestStruct()
{
Id = 0
};
test.StructArray[0, 1] = new BasicTestStruct()
{
Id = 1
};
test.StructArray[1, 0] = new BasicTestStruct()
{
Id = 2
};
test.StructArray[1, 1] = new BasicTestStruct()
{
Id = 3
};
test.LongDoubleArray[0, 0] = 1.1;
test.LongDoubleArray[0, 1] = 2.2;
test.LongDoubleArray[1, 0] = 3.3;
test.LongDoubleArray[1, 1] = 4.4;
test.StructSequence.Add(new BasicTestStruct()
{
Id = 1
});
test.StructSequence.Add(new BasicTestStruct()
{
Id = 2
});
test.StructSequence.Add(new BasicTestStruct()
{
Id = 3
});
result = dataWriter.Write(test);
System.Threading.Thread.Sleep(1000);
if (!useListener)
{
waitSet.DetachCondition(statusCondition);
}
participant.DeleteContainedEntities();
domainFactory.DeleteParticipant(participant);
}
participantService.Shutdown();
OpenDDSharp.Ace.Fini();
Console.WriteLine("Press ENTER to finish the test.");
Console.ReadLine();
}