private void initPublisher(String pub, int strength)
{
mgr = new DDSEntityManager("Ownership");
String partitionName = "Ownership example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
StockTypeSupport stkTS = new StockTypeSupport();
mgr.registerType(stkTS);
// create Topic
mgr.createTopic("StockTrackerExclusive");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
dwriter = mgr.getWriter();
OwnershipDataWriter = dwriter as StockDataWriter;
msft = new Stock();
msft.ticker = "MSFT";
msft.publisher = pub;
msft.strength = strength;
msftHandle = OwnershipDataWriter.RegisterInstance(msft);
}
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();
}
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 Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
MsgDataWriter WaitSetWriter = dwriter as MsgDataWriter;
// Write the first message
Msg msgInstance = new Msg();
msgInstance.userID = 1;
msgInstance.message = "First hello";
Console.WriteLine("=== [Publisher] writing a message containing :");
Console.WriteLine(" userID : {0}", msgInstance.userID);
Console.WriteLine(" Message : \" {0} ", msgInstance.message);
ReturnCode status = WaitSetWriter.Write(msgInstance, InstanceHandle.Nil);
ErrorHandler.checkStatus(status, "MsgDataWriter.Write");
Thread.Sleep(500);
// Write another message
msgInstance.message = "Hello again";
status = WaitSetWriter.Write(msgInstance, InstanceHandle.Nil);
ErrorHandler.checkStatus(status, "MsgDataWriter.Write");
Console.WriteLine("=== [Publisher] writing a message containing :");
Console.WriteLine(" userID : {0}", msgInstance.userID);
Console.WriteLine(" Message : {0}", msgInstance.message);
Thread.Sleep(500);
// Clean up
mgr.getPublisher().DeleteDataWriter(WaitSetWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("Listener");
String partitionName = "Listener Example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
MsgTypeSupport msgTS = new MsgTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("ListenerData_Msg");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
MsgDataWriter listenerWriter = dwriter as MsgDataWriter;
ReturnCode status = ReturnCode.Error;
Msg msgInstance = new Msg();
msgInstance.userID = 1;
msgInstance.message = "Hello World";
Console.WriteLine("=== [ListenerDataPublisher] writing a message containing :");
Console.WriteLine(" userID : {0}", msgInstance.userID);
Console.WriteLine(" Message : \"" + msgInstance.message + "\"");
InstanceHandle msgHandle = listenerWriter.RegisterInstance(msgInstance);
ErrorHandler.checkHandle(msgHandle, "DataWriter.RegisterInstance");
status = listenerWriter.Write(msgInstance, InstanceHandle.Nil);
ErrorHandler.checkStatus(status, "DataWriter.Write");
Thread.Sleep(2);
// clean up
status = listenerWriter.Dispose(msgInstance, msgHandle);
ErrorHandler.checkStatus(status, "DataWriter.Dispose");
status = listenerWriter.UnregisterInstance(msgInstance, msgHandle);
ErrorHandler.checkStatus(status, "DataWriter.UnregisterInstance");
mgr.getPublisher().DeleteDataWriter(listenerWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
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();
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("Bad args number");
Console.WriteLine("*** [QueryConditionDataQuerySubscriber] Query string not specified");
Console.WriteLine("*** usage : QueryConditionDataQuerySubscriber <query_string>");
}
else
{
ITopic topic;
DDSEntityManager mgr = new DDSEntityManager("QueryCondition");
String partitionName = "QueryCondition example";
String QueryConditionDataToSubscribe = args[0];
// Create DomainParticipant
mgr.createParticipant(partitionName);
// Create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// Create Topic
topic = mgr.createTopic("StockTrackerExclusive");
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader(false);
// Read Events
IDataReader dreader = mgr.getReader();
StockDataReader QueryConditionDataReader = dreader as StockDataReader;
String[] queryStr = { QueryConditionDataToSubscribe };
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Query : ticker = {0}", QueryConditionDataToSubscribe);
IQueryCondition qc = QueryConditionDataReader.CreateQueryCondition(
SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any, "ticker=%0", queryStr);
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Ready ...");
DDS.SampleInfo[] infoSeq = null;
Stock[] stockSeq = null;
ReturnCode status = ReturnCode.Error;
bool terminate = false;
int count = 0;
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Ready ...");
while (!terminate && count < 1500)
{
// Take Sample with Condition
status = QueryConditionDataReader.TakeWithCondition(ref stockSeq, ref infoSeq,
Length.Unlimited, qc);
ErrorHandler.checkStatus(status, "DataReader.TakeWithCondition");
/**
* Display Data
*/
for (int i = 0; i < stockSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
if (stockSeq[i].price == -1.0f)
{
terminate = true;
break;
}
Console.WriteLine("{0} : {1}", stockSeq[i].ticker, String.Format("{0:0.#}", stockSeq[i].price));
}
}
status = QueryConditionDataReader.ReturnLoan(ref stockSeq, ref infoSeq);
ErrorHandler.checkStatus(status, "DataReader.ReturnLoan");
Thread.Sleep(200);
++count;
}
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Market Closed");
// clean up
QueryConditionDataReader.DeleteReadCondition(qc);
mgr.getSubscriber().DeleteDataReader(QueryConditionDataReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("ContentFilteredTopic");
String partitionName = "ContentFilteredTopic example";
// create Domain Participant
mgr.createParticipant(partitionName);
mgr.setAutoDispose(true);
// create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("StockTrackerExclusive");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
StockDataWriter ContentFilteredTopicDataWriter = dwriter as StockDataWriter;
Stock geStock = new Stock();
Stock msftStock = new Stock();
ReturnCode writeStatus;
geStock.ticker = "GE";
geStock.price = 12.00f;
msftStock.ticker = "MSFT";
msftStock.price = 25.00f;
InstanceHandle geHandle = ContentFilteredTopicDataWriter.RegisterInstance(geStock);
InstanceHandle msHandle = ContentFilteredTopicDataWriter.RegisterInstance(msftStock);
for (int i = 0; i < 20; i++)
{
geStock.price += 0.5f;
msftStock.price += 1.5f;
Console.WriteLine("=== [ContentFilteredTopicDataPublisher] sends 2 stockQuotes : (GE, {0}) (MSFT, {1})", geStock.price, msftStock.price);
writeStatus = ContentFilteredTopicDataWriter.Write(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
writeStatus = ContentFilteredTopicDataWriter.Write(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
Thread.Sleep(100);
}
geStock.price = -1.0f;
msftStock.price = -1.0f;
writeStatus = ContentFilteredTopicDataWriter.Write(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write GE");
writeStatus = ContentFilteredTopicDataWriter.Write(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write MSFT");
Console.WriteLine("Market Closed");
ContentFilteredTopicDataWriter.UnregisterInstance(geStock, geHandle);
ContentFilteredTopicDataWriter.UnregisterInstance(msftStock, msHandle);
mgr.getPublisher().DeleteDataWriter(ContentFilteredTopicDataWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("HelloWorld");
String partitionName = "HelloWorld example";
// create Domain Participant
mgr.createParticipant(partitionName);
mgr.setAutoDispose(false);
// create Type
MsgTypeSupport msgTS = new MsgTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("HelloWorldData_Msg");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
MsgDataWriter helloWorldWriter = dwriter as MsgDataWriter;
Msg msgInstance = new Msg();
msgInstance.userID = 1;
msgInstance.message = "Hello World";
InstanceHandle handle = helloWorldWriter.RegisterInstance(msgInstance);
ErrorHandler.checkHandle(handle, "MsgDataWriter.RegisterInstance");
Console.WriteLine("=== [Publisher] writing a message containing :");
Console.WriteLine(" userID : {0}", msgInstance.userID);
Console.WriteLine(" Message : \" {0} \"", msgInstance.message);
ReturnCode status = helloWorldWriter.Write(msgInstance, handle);
ErrorHandler.checkStatus(status, "MsgDataWriter.Write");
try
{
Thread.Sleep(2);
}
catch (ArgumentOutOfRangeException ex)
{
Console.WriteLine(ex.ToString());
Console.WriteLine(ex.StackTrace);
}
status = helloWorldWriter.UnregisterInstance(msgInstance, handle);
// Clean up
mgr.getPublisher().DeleteDataWriter(helloWorldWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
String[] sSampleState = { "READ_SAMPLE_STATE", "NOT_READ_SAMPLE_STATE" };
String[] sViewState = { "NEW_VIEW_STATE", "NOT_NEW_VIEW_STATE" };
String[] sInstanceState = { "ALIVE_INSTANCE_STATE", "NOT_ALIVE_DISPOSED_INSTANCE_STATE", "NOT_ALIVE_NO_WRITERS_INSTANCE_STATE" };
bool closed = false;
int nbIter = 1;
int nbIterMax = 100;
ReturnCode status = ReturnCode.Error;
Msg[] msgList = null;
SampleInfo[] infoSeq = null;
DDSEntityManager mgr = new DDSEntityManager("Lifecycle");
// Create domain participant
String partitionName = "Lifecycle example";
mgr.createParticipant(partitionName);
// Create type
MsgTypeSupport mt = new MsgTypeSupport();
mgr.registerType(mt);
// Create Topic
String topicName = "Lifecycle_Msg";
mgr.createTopic(topicName);
// Create Subscriber
mgr.createSubscriber();
mgr.createReader(false);
IDataReader dreader = mgr.getReader();
MsgDataReader LifecycleReader = dreader as MsgDataReader;
ErrorHandler.checkHandle(LifecycleReader, "MsgDataReader narrow");
Console.WriteLine("=== [Subscriber] Ready ...");
while (!closed && (nbIter < nbIterMax))
{
status = LifecycleReader.Read(ref msgList, ref infoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkStatus(status, "MsgDataReader.Read");
for (int j = 0; j < msgList.Length; j++)
{
Console.WriteLine(" Message : {0}", msgList[j].message);
Console.WriteLine(" writerStates : {0}", msgList[j].writerStates);
Console.WriteLine(" valida data : {0}", infoSeq[j].ValidData);
Console.WriteLine(" sample_state : {0}", sSampleState[index((int)infoSeq[j].SampleState)]);
Console.WriteLine(" instance_state : {0}", sInstanceState[index((int)infoSeq[j].InstanceState)]);
Thread.Sleep(200);
closed = msgList[j].writerStates.Equals("STOPPING_SUBSCRIBER");
}
status = LifecycleReader.ReturnLoan(ref msgList, ref infoSeq);
ErrorHandler.checkStatus(status, "MsgDataReader.ReturnLoan");
Thread.Sleep(20);
nbIter++;
}
Console.WriteLine("=== [Subscriber] stopping after {0} iterations - closed={1}", nbIter, closed.ToString());
if (nbIter == nbIterMax)
{
Console.WriteLine("*** Error : max {0} iterations reached", nbIterMax);
}
// Clean-up
mgr.getSubscriber().DeleteDataReader(LifecycleReader);
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());
}
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)
{
if (args.Length != 1)
{
Console.WriteLine("Insufficient number of arguments.");
usage();
}
else
{
DDSEntityManager mgr = new DDSEntityManager("Durability");
String partitionName = "Durability Example";
DDS.Duration timeout = new DDS.Duration(40, 0);
ReturnCode status;
String durabilityKind = args[0];
// create Domain Participant
mgr.createParticipant(partitionName);
// set the durability kind
mgr.setDurabilityKind(durabilityKind);
// create Type
MsgTypeSupport msgTS = new MsgTypeSupport();
mgr.registerType(msgTS);
// create Topic
if (args[0].Equals("persistent"))
{
mgr.createTopic("PersistentCSDurabilityData_Msg");
}
else
{
mgr.createTopic("CSDurabilityData_Msg");
}
// create Subscriber
mgr.createSubscriber();
mgr.createReader(false);
IDataReader dreader = mgr.getReader();
MsgDataReader DurabilityDataReader = dreader as MsgDataReader;
status = DurabilityDataReader.WaitForHistoricalData(timeout);
ErrorHandler.checkStatus(status, "DurabilityDataReader.WaitForHistoricalData");
Msg[] msgSeq = null;
DDS.SampleInfo[] infoSeq = null;
Boolean terminate = false;
Console.WriteLine("=== [Subscriber] Ready ...");
while (!terminate)
{
status = DurabilityDataReader.Take(ref msgSeq, ref infoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkStatus(status, "DataReader.Take");
for (int i = 0; i < msgSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
Console.WriteLine(msgSeq[i].content);
if (msgSeq[i].content.Equals("9"))
{
terminate = true;
break;
}
}
}
status = DurabilityDataReader.ReturnLoan(ref msgSeq, ref infoSeq);
ErrorHandler.checkStatus(status, "MsgDataReader.ReturnLoan");
}
// For single process mode wait some time to ensure persistent data is stored to disk
Thread.Sleep(2000);
// clean up
mgr.getSubscriber().DeleteDataReader(DurabilityDataReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
}
static void Main(string[] args)
{
if (args.Length != 3)
{
Console.WriteLine("Insufficient number of arguments.");
usage();
Environment.Exit(-1);
}
else
{
String durabilityKind = args[0];
Boolean autodisposeFlag = Boolean.Parse(args[1].ToString());
Boolean automaticFlag = Boolean.Parse(args[2].ToString());
DDSEntityManager mgr = new DDSEntityManager("Durability");
String partitionName = "Durability example";
// Set the Durability Kind
mgr.setDurabilityKind(durabilityKind);
// Set the auto dispose flag
mgr.setAutoDispose(autodisposeFlag);
Thread.Sleep(1000);
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
MsgTypeSupport stkTS = new MsgTypeSupport();
mgr.registerType(stkTS);
// create Topic
mgr.createTopic("DurabilityData_Msg");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
MsgDataWriter msgWriter = dwriter as MsgDataWriter;
Msg [] DurabilityDataMsg = new Msg[10];
InstanceHandle [] handle = new InstanceHandle [10];
ReturnCode status = ReturnCode.Error;
for (int x = 0; x < 10; x++)
{
DurabilityDataMsg[x] = new Msg();
DurabilityDataMsg[x].id = x;
DurabilityDataMsg[x].content = x.ToString();
Console.WriteLine("Storing {0}", DurabilityDataMsg[x].content);
handle[x] = msgWriter.RegisterInstance(DurabilityDataMsg[x]);
ErrorHandler.checkHandle(handle[x], "DataWriter.RegisterInstance");
status = msgWriter.Write(DurabilityDataMsg[x], handle[x]);
ErrorHandler.checkStatus(status, "DataWriter.Write");
}
if (!automaticFlag)
{
char c = (char)0;
Console.WriteLine("Enter E to exit");
while (c != 'E')
{
c = (char)Console.Read();
}
}
else
{
Console.WriteLine("=== sleeping 10s...");
Thread.Sleep(10000);
}
// Clean up
status = mgr.getPublisher().DeleteDataWriter(msgWriter);
ErrorHandler.checkStatus(status, "Publisher.DeleteDatWriter");
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("Insufficient number of arguments.");
usage();
Environment.Exit(-1);
}
else
{
DDSEntityManager mgr = new DDSEntityManager("Durability");
String partitionName = "Durability Example";
String durabilityKind = args[0];
// create Domain Participant
mgr.createParticipant(partitionName);
// set the durability kind
mgr.setDurabilityKind(durabilityKind);
// create Type
MsgTypeSupport msgTS = new MsgTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("DurabilityData_Msg");
// create Subscriber
mgr.createSubscriber();
mgr.createReader(false);
IDataReader dreader = mgr.getReader();
MsgDataReader DurabilityDataReader = dreader as MsgDataReader;
Msg[] msgSeq = null;
DDS.SampleInfo[] infoSeq = null;
Boolean terminate = false;
ReturnCode status;
Console.WriteLine("=== [Subscriber] Ready ...");
while (!terminate)
{
status = DurabilityDataReader.Take(ref msgSeq, ref infoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkStatus(status, "DataReader.Take");
for (int i = 0; i < msgSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
Console.WriteLine("{0} : {1}", msgSeq[i].id, msgSeq[i].content);
if (msgSeq[i].content.Equals("9"))
{
terminate = true;
break;
}
}
}
status = DurabilityDataReader.ReturnLoan(ref msgSeq, ref infoSeq);
ErrorHandler.checkStatus(status, "MsgDataReader.ReturnLoan");
}
// clean up
mgr.getSubscriber().DeleteDataReader(DurabilityDataReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("QueryCondition");
String partitionName = "QueryCondition example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("StockTrackerExclusive");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
StockDataWriter QueryConditionDataWriter = dwriter as StockDataWriter;
Stock geStock = new Stock();
Stock msftStock = new Stock();
ReturnCode writeStatus;
geStock.ticker = "GE";
geStock.price = 12.00f;
msftStock.ticker = "MSFT";
msftStock.price = 25.00f;
// Register Instances
InstanceHandle geHandle = QueryConditionDataWriter.RegisterInstance(geStock);
ErrorHandler.checkHandle(geHandle, "DataWriter.RegisterInstance (GE)");
InstanceHandle msHandle = QueryConditionDataWriter.RegisterInstance(msftStock);
ErrorHandler.checkHandle(msHandle, "DataWriter.RegisterInstance (MSFT)");
for (int i = 0; i < 20; i++)
{
geStock.price += 0.5f;
msftStock.price += 1.5f;
writeStatus = QueryConditionDataWriter.Write(geStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
writeStatus = QueryConditionDataWriter.Write(msftStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
Thread.Sleep(100);
Console.WriteLine("GE : {0} MSFT {1}", String.Format("{0:0.#}", geStock.price),
String.Format("{0:0.#}", msftStock.price));
}
geStock.price = -1.0f;
msftStock.price = -1.0f;
// Write samples
writeStatus = QueryConditionDataWriter.Write(geStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write (GE)");
writeStatus = QueryConditionDataWriter.Write(msftStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write (MS)");
// Dispose Instances
writeStatus = QueryConditionDataWriter.Dispose(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Dispose (GE)");
writeStatus = QueryConditionDataWriter.Dispose(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Dispose (MS)");
// Unregister Instances
writeStatus = QueryConditionDataWriter.UnregisterInstance(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.UnregisterInstance (GE)");
writeStatus = QueryConditionDataWriter.UnregisterInstance(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.UnregisterInstance(MS)");
// Clean up
mgr.getPublisher().DeleteDataWriter(QueryConditionDataWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
// Create the DDS worker thread here.
public static void OpenSpliceWorker(Form mainForm)
{// Initialize the DDS Code first
bool done = false;
DDSEntityManager mgr = new DDSEntityManager("HelloWorld");
// String partitionName = "";
// if (GlobalData.DDSPartitionName.Length > 0)
// {// Use the glbal name
// partitionName = GlobalData.DDSPartitionName;
// } else
// {
// partitionName = "ADLINK";
// }
//
// create default Hello World Topic
//
// create Domain Participant
// set QOS for entity manager...
mgr.setDurabilityKind("transient");
mgr.createParticipant(GlobalData.DDSPartitionName);
mgr.setAutoDispose(false);
// create Type
MsgTypeSupport msgTS = new MsgTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("HelloWorldData_Msg");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
//
// NOW CREATE NEW DDS DATA RECEIVER
//
// NOW Create another HelloWorld.Msg with a different topic name.
//
DDSEntityManager ADSBDatamgr = new DDSEntityManager("ADSBLinesData");
// create Domain Participant
ADSBDatamgr.createParticipant(GlobalData.DDSPartitionName);
// create Type DM::Aircraft_Config
Aircraft_ConfigTypeSupport AircraftConfigMsg = new DM.Aircraft_ConfigTypeSupport();
//MsgTypeSupport msgTS2 = new MsgTypeSupport();
ADSBDatamgr.registerType(AircraftConfigMsg);
//ADSBDatamgr.registerType(msgTS2);
// create Topic
ADSBDatamgr.createTopic("ADSBLinesData");
// create Subscriber
ADSBDatamgr.createSubscriber();
// ADSBDatamgr.createPublisher();
// create DataReader
ADSBDatamgr.createReader(false);
IDataReader ADSBLinesReader = ADSBDatamgr.getReader();
Aircraft_ConfigDataReader ADSBLinesDataReader = ADSBLinesReader as Aircraft_ConfigDataReader;
Aircraft_Config ADSBLinesmsg = null;
Aircraft_Config[] ADSBLinesmsgSeq = null;
DDS.SampleInfo[] ADSBLinesinfoSeq = null;
// Publish Events
IDataWriter dwriter = mgr.getWriter();
MsgDataWriter helloWorldWriter = dwriter as MsgDataWriter;
Msg msgInstance = new Msg();
msgInstance.userID = 1;
msgInstance.message = "Update Locations"; // "Hello World";
InstanceHandle handle = helloWorldWriter.RegisterInstance(msgInstance);
ErrorHandler.checkHandle(handle, "MsgDataWriter.RegisterInstance");
Console.WriteLine("=== [Publisher] writing a message containing :");
Console.WriteLine(" userID : {0}", msgInstance.userID);
Console.WriteLine(" Message : \" {0} \"", msgInstance.message);
ReturnCode status = helloWorldWriter.Write(msgInstance, handle);
ErrorHandler.checkStatus(status, "MsgDataWriter.Write");
// main write loop here...
//try
//{
// Thread.Sleep(2);
//}
//catch (ArgumentOutOfRangeException ex)
//{
// Console.WriteLine(ex.ToString());
// Console.WriteLine(ex.StackTrace);
//}
while (!done)
{// sleep and write samples from the main screen.
Thread.Sleep(500);
if (GlobalData.ischanged == true)
{// main thread has written data values, so update data
Console.WriteLine("GLOBAL DATA HAS CHANGED!!!");
msgInstance.lattitued_ul = GlobalData.upleft_lat;
msgInstance.longitude_ul = GlobalData.upleft_lng;
msgInstance.lattitude_lr = GlobalData.btmright_lat;
msgInstance.longitude_lr = GlobalData.btmright_lng;
Console.WriteLine("Upper left Lat" + msgInstance.lattitued_ul.ToString());
Console.WriteLine("Upper left Lng" + msgInstance.longitude_ul.ToString());
Console.WriteLine("Lower Right Lat" + msgInstance.lattitude_lr.ToString());
Console.WriteLine("Lower Right Lng" + msgInstance.longitude_lr.ToString());
ReturnCode dds_status = helloWorldWriter.Write(msgInstance, handle);
Console.WriteLine("HELLO WORLD DDS WRITE ERROR = " + dds_status.ToString());
ErrorHandler.checkStatus(dds_status, "MsgDataWriter.Write");
GlobalData.ischanged = false;
} // globaldata.ischange = true
// now read DDS Data lines topic.
//
// get new DDS Values here...
status = ADSBLinesDataReader.Take(ref ADSBLinesmsgSeq, ref ADSBLinesinfoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkStatus(status, "DataReader.Take");
if (ADSBLinesmsgSeq.Length > 0)
{
for (int x = 0; x < ADSBLinesmsgSeq.Length; x++)
{
if (ADSBLinesinfoSeq[x].ValidData)
{// read the data!
ADSBLinesmsg = ADSBLinesmsgSeq[x];
GlobalData.DDS_Lines = ADSBLinesmsg.tailNumber;
GlobalData.DDS_Data_Received = true;
/* Console.WriteLine("=== [Subscriber] message received : " + x.ToString());
* Console.WriteLine(" lattitued_ul : " + msgSeq[x].lattitued_ul.ToString());
* Console.WriteLine(" longitude_ul : " + msgSeq[x].longitude_ul.ToString());
* Console.WriteLine(" lattitued_lr : " + msgSeq[x].lattitude_lr.ToString());
* Console.WriteLine(" longitude_lr : " + msgSeq[x].longitude_lr.ToString());
* Console.WriteLine(" Message : \"" + msgSeq[x].message + "\"");
*/
// status = HelloWorldDataReader.ReturnLoan(ref msgSeq, ref infoSeq);
//ErrorHandler.checkStatus(status, "DataReader.ReturnLoan");
// System.Threading.Thread.Sleep(2000);
/* lamin = msgSeq[x].lattitude_lr; //32.3382F;
* lomin = msgSeq[x].longitude_ul; //- 121.8863F;
* lamax = msgSeq[x].lattitued_ul; //35.3382F;
* lomax = msgSeq[x].longitude_lr; // - 116.8863F; */}
}
}
if (GlobalData.WorkerThreadIsRunning == false)
{// signal thread to shut down...
done = true;
}
}
// end of main write loop
// Clean up
status = helloWorldWriter.UnregisterInstance(msgInstance, handle);
mgr.getPublisher().DeleteDataWriter(helloWorldWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
return;
}
static void Main(string[] args)
{
OsplConfiguration.SetOsplConfiguration();
DDSEntityManager mgr = new DDSEntityManager("HelloWorld");
String partitionName = "HelloWorld example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
MsgTypeSupport msgTS = new MsgTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("HelloWorldData_Msg");
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader(false);
IDataReader dreader = mgr.getReader();
MsgDataReader HelloWorldDataReader = dreader as MsgDataReader;
Msg[] msgSeq = null;
DDS.SampleInfo[] infoSeq = null;
Boolean terminate = false;
ReturnCode status;
Console.WriteLine("=== [Subscriber] Ready ...");
int count = 0;
while (!terminate && count < 1500)
{
status = HelloWorldDataReader.Take(ref msgSeq, ref infoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkStatus(status, "DataReader.Take");
for (int i = 0; i < msgSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
Console.WriteLine("=== [Subscriber] message received :");
Console.WriteLine(" userID : {0}", msgSeq[i].userID);
Console.WriteLine(" Message : \"" + msgSeq[i].message + "\"");
terminate = true;
}
}
status = HelloWorldDataReader.ReturnLoan(ref msgSeq, ref infoSeq);
ErrorHandler.checkStatus(status, "DataReader.ReturnLoan");
Thread.Sleep(200);
++count;
}
Thread.Sleep(2);
// clean up
mgr.getSubscriber().DeleteDataReader(HelloWorldDataReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("Ownership");
String partitionName = "Ownership example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("StockTrackerExclusive");
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader(false);
// Read Events
IDataReader dreader = mgr.getReader();
StockDataReader OwnershipDataReader = dreader as StockDataReader;
Stock[] msgSeq = null;
DDS.SampleInfo[] infoSeq = null;
Console.WriteLine("===[Subscriber] Ready ...");
Console.WriteLine(" Ticker Price Publisher ownership strength");
Boolean terminate = false;
ReturnCode status = ReturnCode.Error;
int count = 0;
while (!terminate && count < 1500)
{
OwnershipDataReader.Take(ref msgSeq, ref infoSeq, Length.Unlimited, SampleStateKind.Any,
ViewStateKind.Any, InstanceStateKind.Any);
for (int i = 0; i < msgSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
if (msgSeq[i].price < -0.0f)
{
terminate = true;
break;
}
Console.WriteLine(" {0} {1} {2} {3}", msgSeq[i].ticker,
msgSeq[i].price, msgSeq[i].publisher, msgSeq[i].strength);
}
}
status = OwnershipDataReader.ReturnLoan(ref msgSeq, ref infoSeq);
ErrorHandler.checkStatus(status, "StockDataReader.ReturnLoan");
Thread.Sleep(2);
++count;
Thread.Sleep(200);
}
Console.WriteLine("===[Subscriber] Market Closed");
// clean up
mgr.getSubscriber().DeleteDataReader(OwnershipDataReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
bool autodispose_flag = false;
String writer_action;
ReturnCode status = ReturnCode.Error;
if (args.Length < 2)
{
usage();
}
else if ((!args[0].Equals("true")) &&
(!args[0].Equals("false")) &&
(!args[1].Equals("dispose")) &&
(!args[1].Equals("unregister")) &&
(!args[1].Equals("stoppub")))
{
usage();
}
else
{
autodispose_flag = Boolean.Parse(args[0]);
writer_action = args[1];
// DDS Helper class instance for Msg Topic
DDSEntityManager mgr = new DDSEntityManager("Lifecycle");
// Create domain participant
String partitionName = "Lifecycle example";
mgr.createParticipant(partitionName);
// Set AutoDispose Flag
mgr.setAutoDispose(autodispose_flag);
// Create type
MsgTypeSupport mt = new MsgTypeSupport();
mgr.registerType(mt);
// Create Topic
String topicName = "Lifecycle_Msg";
mgr.createTopic(topicName);
// Create Publisher
mgr.createPublisher();
// Create DataWriter(s)
mgr.createWriter();
// Publish Samples
IDataWriter dwriter = mgr.getWriter();
MsgDataWriter LifecycleWriter = dwriter as MsgDataWriter;
IDataWriter dwriter_stopper = mgr.getWriterStopper();
MsgDataWriter LifecycleWriter_stopper = dwriter_stopper as MsgDataWriter;
if (writer_action.Equals("dispose"))
{
// Send Msg (topic to monitor)
Msg msgInstance = new Msg();
msgInstance.userID = 1;
msgInstance.message = "Lifecycle_1";
msgInstance.writerStates = "SAMPLE_SENT -> INSTANCE_DISPOSED -> DATAWRITER_DELETED";
Console.WriteLine("=== [Publisher] :");
Console.WriteLine(" userID : {0}", msgInstance.userID);
Console.WriteLine(" Message : \"{0}\"", msgInstance.message);
Console.WriteLine(" writerStates : \"{0}\"", msgInstance.writerStates);
status = LifecycleWriter.Write(msgInstance, InstanceHandle.Nil);
ErrorHandler.checkStatus(status, "MsDataWriter.Write");
Thread.Sleep(500);
Console.WriteLine("=== [Publisher] : SAMPLE_SENT");
// Dispose instance
status = LifecycleWriter.Dispose(msgInstance, InstanceHandle.Nil);
ErrorHandler.checkStatus(status, "MsDataWriter.Dispose");
Console.WriteLine("=== [Publisher] : INSTANCE_DISPOSED");
}
else if (writer_action.Equals("unregister"))
{
// Send Msg (topic to monitor)
Msg msgInstance = new Msg();
msgInstance.userID = 2;
msgInstance.message = "Lifecycle_2";
msgInstance.writerStates = "SAMPLE_SENT -> INSTANCE_UNREGISTERED -> DATAWRITER_DELETED";
Console.WriteLine("=== [Publisher] :");
Console.WriteLine(" userID : {0}", msgInstance.userID);
Console.WriteLine(" Message : \"{0}\"", msgInstance.message);
Console.WriteLine(" writerStates : \"{0}\"", msgInstance.writerStates);
status = LifecycleWriter.Write(msgInstance, InstanceHandle.Nil);
ErrorHandler.checkStatus(status, "MsDataWriter.Write");
Thread.Sleep(500);
Console.WriteLine("=== [Publisher] : SAMPLE_SENT");
// Unregister instance : the auto_dispose_unregistered_instances flag
// is currently ignored and the instance is never disposed automatically
status = LifecycleWriter.UnregisterInstance(msgInstance, InstanceHandle.Nil);
ErrorHandler.checkStatus(status, "MsDataWriter.UnregisterInstance");
Console.WriteLine("=== [Publisher] : INSTANCE_UNREGISTERED");
}
else if (writer_action.Equals("stoppub"))
{
Msg msgInstance = new Msg();
msgInstance.userID = 3;
msgInstance.message = "Lifecycle_3";
msgInstance.writerStates = "SAMPLE_SENT -> DATAWRITER_DELETED";
Console.WriteLine("=== [Publisher] :");
Console.WriteLine(" userID : {0}", msgInstance.userID);
Console.WriteLine(" Message : \"{0}\"", msgInstance.message);
Console.WriteLine(" writerStates : \"{0}\"", msgInstance.writerStates);
status = LifecycleWriter.Write(msgInstance, InstanceHandle.Nil);
ErrorHandler.checkStatus(status, "MsDataWriter.Write");
Thread.Sleep(500);
Console.WriteLine("=== [Publisher] : SAMPLE_SENT");
}
// Let the subscriber treat the previous writer state !!!
Console.WriteLine("=== [Publisher] waiting 500ms to let the subscriber treat the previous write state ...");
Thread.Sleep(500);
// Remove the DataWriter
mgr.deleteWriter(LifecycleWriter);
Thread.Sleep(500);
Console.WriteLine("=== [Publisher] : DATAWRITER_DELETED");
// Stop the subscriber
Msg stopMsg = new Msg();
stopMsg.userID = 4;
stopMsg.message = "Lifecycle_4";
stopMsg.writerStates = "STOPPING_SUBSCRIBER";
Console.WriteLine("=== [Publisher] :");
Console.WriteLine(" userID : {0}", stopMsg.userID);
Console.WriteLine(" Message : \"{0}\"", stopMsg.message);
Console.WriteLine(" writerStates : \"{0}\"", stopMsg.writerStates);
status = LifecycleWriter_stopper.Write(stopMsg, InstanceHandle.Nil);
ErrorHandler.checkStatus(status, "MsDataWriter.Write");
Thread.Sleep(500);
// Remove the DataWriter stopper
mgr.deleteWriter(LifecycleWriter_stopper);
// Remove the Publisher
mgr.deletePublisher();
// Remove the Topic
mgr.deleteTopic();
// Remove the participant
mgr.deleteParticipant();
}
}
