public static ReturnCode Take(
DataReader reader,
ref object[] data,
ref SampleInfo[] sampleInfos,
int maxSamples,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
ReturnCode result = ReturnCode.Ok;
using (DataReaderMarshaler marshaler =
new DataReaderMarshaler(data, sampleInfos, ref maxSamples, ref result))
{
if (result == ReturnCode.Ok)
{
result = Gapi.FooDataReader.take(
reader.GapiPeer,
marshaler.dataValuesPtr,
marshaler.sampleInfosPtr,
maxSamples,
sampleStates,
viewStates,
instanceStates);
marshaler.CopyOut(ref data, ref sampleInfos);
}
}
return(result);
}
public static extern IntPtr create_querycondition(
IntPtr _this,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states,
string query_expression,
IntPtr query_parameters);
public IQueryCondition CreateQueryCondition(
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates,
string queryExpression,
params string[] queryParameters)
{
IQueryCondition queryCondition = null;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
if (marshaler.CopyIn(queryParameters) == DDS.ReturnCode.Ok)
{
IntPtr gapiPtr = Gapi.DataReader.create_querycondition(
GapiPeer,
sampleStates,
viewStates,
instanceStates,
queryExpression,
marshaler.GapiPtr);
if (gapiPtr != IntPtr.Zero)
{
queryCondition = new QueryCondition(gapiPtr);
}
}
}
return queryCondition;
}
public IQueryCondition CreateQueryCondition(
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates,
string queryExpression,
params string[] queryParameters)
{
IQueryCondition queryCondition = null;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
if (marshaler.CopyIn(queryParameters) == DDS.ReturnCode.Ok)
{
IntPtr gapiPtr = Gapi.DataReader.create_querycondition(
GapiPeer,
sampleStates,
viewStates,
instanceStates,
queryExpression,
marshaler.GapiPtr);
if (gapiPtr != IntPtr.Zero)
{
queryCondition = new QueryCondition(gapiPtr);
}
}
}
return(queryCondition);
}
public ReturnCode GetDataReaders(
ref IDataReader[] readers,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
ReturnCode result = ReturnCode.Error;
using (SequenceMarshaler <IDataReader, DataReader> marshaler =
new SequenceMarshaler <IDataReader, DataReader>())
{
result = Gapi.Subscriber.get_datareaders(
GapiPeer,
marshaler.GapiPtr,
sampleStates,
viewStates,
instanceStates);
if (result == ReturnCode.Ok)
{
marshaler.CopyOut(ref readers);
}
}
return(result);
}
public static ReturnCode Take(
DataReader reader,
ref object[] data,
ref SampleInfo[] sampleInfos,
int maxSamples,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
ReturnCode result = ReturnCode.Ok;
using (DataReaderMarshaler marshaler =
new DataReaderMarshaler(data, sampleInfos, ref maxSamples, ref result))
{
if (result == ReturnCode.Ok)
{
result = Gapi.FooDataReader.take(
reader.GapiPeer,
marshaler.dataValuesPtr,
marshaler.sampleInfosPtr,
maxSamples,
sampleStates,
viewStates,
instanceStates);
marshaler.CopyOut(ref data, ref sampleInfos);
}
}
return result;
}
public static extern IntPtr create_querycondition(
IntPtr _this,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states,
string query_expression,
IntPtr query_parameters);
public static extern ReturnCode take(
IntPtr _this,
IntPtr data_values,
IntPtr info_seq,
int max_samples,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states);
public static extern ReturnCode read(
IntPtr _this,
IntPtr data_values,
IntPtr info_seq,
int max_samples,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states);
public static uint StateMask(
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
return((uint)(sampleStates & SAMPLE_STATE_FLAGS) |
((uint)(viewStates & VIEW_STATE_FLAGS) << 2) |
((uint)(instanceStates & INSTANCE_STATE_FLAGS) << 4));
}
public static extern ReturnCode read_next_instance(
IntPtr _this,
IntPtr data_values,
IntPtr info_seq,
int max_samples,
InstanceHandle a_handle,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states);
public ReturnCode Take(
ref FDM[] dataValues,
ref SampleInfo[] sampleInfos,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
return(Take(ref dataValues, ref sampleInfos, Length.Unlimited, sampleStates,
viewStates, instanceStates));
}
public virtual ReturnCode TakeNextInstance(
ref T[] data,
ref SampleInfo[] sampleInfos,
int maxSamples,
InstanceHandle instanceHandle,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
ReturnCode result;
ReportStack.Start();
IntPtr sampleList = Common.SampleList.New(0);
if (sampleList == IntPtr.Zero)
{
result = DDS.ReturnCode.OutOfResources;
ReportStack.Report(result, "Unable to allocate sampleList.");
}
else
{
lock (this)
{
if (this.rlReq_isAlive)
{
result = CheckReaderPreConditions(data, sampleInfos, maxSamples, sampleStates, viewStates, instanceStates);
if (result == DDS.ReturnCode.Ok)
{
uint mask = StateMask(sampleStates, viewStates, instanceStates);
int realMax = RealMaxSamples(data, maxSamples);
Common.SampleList.Reset(sampleList, realMax);
result = uResultToReturnCode(
User.Reader.TakeNextInstance(
rlReq_UserPeer,
instanceHandle,
mask,
Common.SampleList.ReaderAction,
sampleList, DDS.Duration.Zero.OsDuration));
}
}
else
{
result = DDS.ReturnCode.AlreadyDeleted;
}
}
if (result == DDS.ReturnCode.Ok || result == ReturnCode.NoData)
{
result = ReaderCopy(sampleList, ref data, ref sampleInfos);
}
Common.SampleList.Free(sampleList);
}
ReportStack.Flush(this, (result != ReturnCode.Ok) && (result != ReturnCode.NoData));
return(result);
}
internal QueryCondition(
DataReader dataReader,
SampleStateKind sampleState,
ViewStateKind viewState,
InstanceStateKind instanceState,
string queryExpression,
string[] queryParameters)
: base(dataReader, sampleState, viewState, instanceState)
{
this.queryExpression = queryExpression;
this.queryParameters = queryParameters;
}
internal ReadCondition(
DataReader dataReader,
SampleStateKind sampleState,
ViewStateKind viewState,
InstanceStateKind instanceState)
{
this.dataReader = dataReader;
this.sampleState = sampleState;
this.viewState = viewState;
this.instanceState = instanceState;
this.MyDomainId = dataReader.MyDomainId;
}
public IReadCondition CreateReadCondition(
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
ReadCondition readCondition = null;
ReturnCode result = DDS.ReturnCode.AlreadyDeleted;
IntPtr uQuery;
ReportStack.Start();
lock (this)
{
if (this.rlReq_isAlive)
{
if (SampleStateMaskIsValid(sampleStates) &&
ViewStateMaskIsValid(viewStates) &&
InstanceStateMaskIsValid(instanceStates))
{
uint stateMask = StateMask(sampleStates, viewStates, instanceStates);
uQuery = User.Query.New(rlReq_UserPeer, null, "1=1", IntPtr.Zero, 0, stateMask);
if (uQuery != IntPtr.Zero)
{
readCondition = new ReadCondition(this, sampleStates, viewStates, instanceStates);
result = readCondition.init(uQuery);
if (result == ReturnCode.Ok)
{
conditionList.Add(readCondition);
}
else
{
ReportStack.Report(result, "Could not create ReadCondition.");
readCondition = null;
}
}
else
{
result = DDS.ReturnCode.Error;
ReportStack.Report(result, "Unable to create ReadCondition in kernel.");
}
}
else
{
result = DDS.ReturnCode.BadParameter;
ReportStack.Report(result, "One mor more of your SampleState/ViewState/InstanceState masks are invalid.");
}
}
}
ReportStack.Flush(this, result != ReturnCode.Ok);
return(readCondition);
}
public ReturnCode Take(
ref T[] dataValues,
ref SampleInfo[] sampleInfos,
int maxSamples,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
var objectValues = (object[])((object)dataValues);
ReturnCode result = FooDataReader.Take(
this, ref objectValues, ref sampleInfos, maxSamples, sampleStates, viewStates, instanceStates);
dataValues = (T[])((object)objectValues);
return(result);
}
public ReturnCode Read(
ref T[] dataValues,
ref SampleInfo[] sampleInfos,
int maxSamples,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
// dataValues.Cast<object>().ToArray()
var objectValues = (object[])((object)dataValues);
ReturnCode result = FooDataReader.Read(
this, ref objectValues, ref sampleInfos, maxSamples, sampleStates, viewStates, instanceStates);
dataValues = (T[])((object)objectValues);
return(result);
}
internal ReturnCode CheckReaderPreConditions(
T[] data,
SampleInfo[] sampleInfos,
int maxSamples,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
ReturnCode result;
if (maxSamples >= Length.Unlimited)
{
if (DataReader.SampleStateMaskIsValid(sampleStates) &&
DataReader.ViewStateMaskIsValid(viewStates) &&
DataReader.InstanceStateMaskIsValid(instanceStates))
{
if ((data == null && sampleInfos == null) ||
(data != null && sampleInfos != null && data.Length == sampleInfos.Length))
{
if (data == null || data.Length == 0 ||
maxSamples == DDS.Length.Unlimited || data.Length >= maxSamples)
{
result = DDS.ReturnCode.Ok;
}
else
{
result = DDS.ReturnCode.PreconditionNotMet;
}
}
else
{
result = DDS.ReturnCode.PreconditionNotMet;
}
}
else
{
result = DDS.ReturnCode.BadParameter;
}
}
else
{
result = DDS.ReturnCode.BadParameter;
}
return(result);
}
/// <summary>
/// This operation returns the set of instance_states that are taken into account to
/// determine the trigger_value of the ReadCondition.
/// </summary>
/// <returns>The instance_states specified when the ReadCondition was created.</returns>
public InstanceStateKind GetInstanceStateMask()
{
bool isAlive;
InstanceStateKind isk = 0;
ReportStack.Start();
lock (this)
{
isAlive = this.rlReq_isAlive;
if (isAlive)
{
isk = instanceState;
}
}
ReportStack.Flush(this, !isAlive);
return(isk);
}
public IReadCondition CreateReadCondition(
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
IReadCondition readCondition = null;
IntPtr gapiPtr = Gapi.DataReader.create_readcondition(
GapiPeer,
sampleStates,
viewStates,
instanceStates);
if (gapiPtr != IntPtr.Zero)
{
readCondition = new ReadCondition(gapiPtr);
}
return(readCondition);
}
public ReturnCode Take(
ref FDM[] dataValues,
ref SampleInfo[] sampleInfos,
int maxSamples,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
object[] objectValues = dataValues;
ReturnCode result =
DDS.OpenSplice.FooDataReader.Take(
this,
ref objectValues,
ref sampleInfos,
maxSamples,
sampleStates,
viewStates,
instanceStates);
dataValues = (FDM[])objectValues;
return(result);
}
public ReturnCode GetDataReaders(
ref IDataReader[] readers,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
ReturnCode result = DDS.ReturnCode.AlreadyDeleted;
ReportStack.Start();
if (this.rlReq_isAlive)
{
IntPtr iterp = IntPtr.Zero;
uint mask = DataReader.StateMask(sampleStates, viewStates, instanceStates);
result = uResultToReturnCode(User.Subscriber.GetDataReaders(this.rlReq_UserPeer, mask, ref iterp));
if (result == ReturnCode.Ok)
{
int length = Database.c.iterLength(iterp);
if (readers == null || readers.Length != length)
{
readers = new IDataReader[length];
}
for (int i = 0; i < length; i++)
{
IntPtr ureader = Database.c.iterTakeFirst(iterp);
readers [i] = SacsSuperClass.fromUserData(ureader) as IDataReader;
}
Database.c.iterFree(iterp);
}
}
ReportStack.Flush(this, result != ReturnCode.Ok);
return(result);
}
public ReturnCode ReadNextInstance(
ref Msg[] dataValues,
ref SampleInfo[] sampleInfos,
int maxSamples,
InstanceHandle instanceHandle,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
object[] objectValues = dataValues;
ReturnCode result =
DDS.OpenSplice.FooDataReader.ReadNextInstance(
this,
ref objectValues,
ref sampleInfos,
maxSamples,
instanceHandle,
sampleStates,
viewStates,
instanceStates);
dataValues = (Msg[])objectValues;
return(result);
}
public static extern ReturnCode take_next_instance(
IntPtr _this,
IntPtr data_values,
IntPtr info_seq,
int max_samples,
InstanceHandle a_handle,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states);
public ReturnCode GetDataReaders(
ref IDataReader[] readers,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
ReturnCode result = ReturnCode.Error;
using (SequenceMarshaler<IDataReader, DataReader> marshaler =
new SequenceMarshaler<IDataReader, DataReader>())
{
result = Gapi.Subscriber.get_datareaders(
GapiPeer,
marshaler.GapiPtr,
sampleStates,
viewStates,
instanceStates);
if (result == ReturnCode.Ok)
{
marshaler.CopyOut(ref readers);
}
}
return result;
}
public IReadCondition CreateReadCondition(
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
IReadCondition readCondition = null;
IntPtr gapiPtr = Gapi.DataReader.create_readcondition(
GapiPeer,
sampleStates,
viewStates,
instanceStates);
if (gapiPtr != IntPtr.Zero)
{
readCondition = new ReadCondition(gapiPtr);
}
return readCondition;
}
public static extern ReturnCode get_datareaders(
IntPtr _this,
IntPtr readers,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states);
public static extern ReturnCode get_datareaders(
IntPtr _this,
IntPtr readers,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states);
public static extern IntPtr create_readcondition(
IntPtr _this,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states);
public static bool InstanceStateMaskIsValid(InstanceStateKind mask)
{
return(((mask == InstanceStateKind.Any) || ((mask & ~INSTANCE_STATE_FLAGS) == 0)));
}
public static extern IntPtr create_readcondition(
IntPtr _this,
SampleStateKind sample_states,
ViewStateKind view_states,
InstanceStateKind instance_states);
public IQueryCondition CreateQueryCondition(
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates,
string queryExpression,
params string[] queryParameters)
{
QueryCondition queryCondition = null;
ReturnCode result = DDS.ReturnCode.AlreadyDeleted;
IntPtr uQuery;
ReportStack.Start();
lock (this)
{
if (this.rlReq_isAlive)
{
using (SequenceStringToArrMarshaler marshaler = new SequenceStringToArrMarshaler())
{
result = marshaler.CopyIn(queryParameters);
if (result == ReturnCode.Ok)
{
if (SampleStateMaskIsValid(sampleStates) &&
ViewStateMaskIsValid(viewStates) &&
InstanceStateMaskIsValid(instanceStates))
{
uint stateMask = StateMask(sampleStates, viewStates, instanceStates);
uQuery = User.Query.New(
rlReq_UserPeer,
null,
queryExpression,
marshaler.UserPtr,
queryParameters != null ? (uint)queryParameters.Length : 0,
stateMask);
if (uQuery != IntPtr.Zero)
{
queryCondition = new QueryCondition(
this,
sampleStates,
viewStates,
instanceStates,
queryExpression,
queryParameters);
result = queryCondition.init(uQuery);
if (result == ReturnCode.Ok)
{
conditionList.Add(queryCondition);
}
else
{
ReportStack.Report(result, "Could not create QueryCondition.");
queryCondition = null;
}
}
else
{
result = DDS.ReturnCode.Error;
ReportStack.Report(result, "Unable to create QueryCondition in kernel.");
}
}
else
{
result = DDS.ReturnCode.BadParameter;
ReportStack.Report(result, "One mor more of your SampleState/ViewState/InstanceState masks are invalid.");
}
}
}
}
}
ReportStack.Flush(this, result != ReturnCode.Ok);
return(queryCondition);
}