26 #ifndef __XRD_CL_OPERATIONS_HH__ 27 #define __XRD_CL_OPERATIONS_HH__ 113 std::promise<XRootDStatus>
prms,
161 std::promise<XRootDStatus>
prms;
167 std::function<void(const XRootDStatus&)>
final;
177 template<
bool HasHndl>
184 friend std::future<XRootDStatus>
Async(
Pipeline, uint16_t );
205 if( !op.valid )
throw std::invalid_argument(
"Cannot construct " 206 "Operation from an invalid Operation!" );
251 std::promise<XRootDStatus> prms,
254 static_assert(HasHndl,
"Only an operation that has a handler can be assigned to workflow");
255 handler->Assign( timeout, std::move( prms ), std::move(
final ),
this );
271 catch(
const std::exception& ex )
322 friend std::future<XRootDStatus>
Async(
Pipeline, uint16_t );
400 if( !
bool(
operation ) )
throw std::logic_error(
"Invalid pipeline." );
463 throw std::logic_error(
"Pipeline is already running" );
466 std::promise<XRootDStatus> prms;
467 ftr = prms.get_future();
470 opr->
Run( timeout, std::move( prms ), std::move(
final ) );
481 std::future<XRootDStatus>
ftr;
493 inline std::future<XRootDStatus>
Async(
Pipeline pipeline, uint16_t timeout = 0 )
495 pipeline.
Run( timeout );
496 return std::move( pipeline.
ftr );
509 return Async( std::move( pipeline ), timeout ).get();
520 template<
template<
bool>
class Derived,
bool HasHndl,
typename HdlrFactory,
typename ... Args>
523 template<
template<
bool>
class, bool,
typename,
typename ...>
536 static_assert( !HasHndl,
"It is only possible to construct operation without handler" );
561 template<
typename Hdlr>
564 return this->
StreamImpl( HdlrFactory::Create( hdlr ) );
621 this->
handler->Assign( fo.final );
622 return this->
template Transform<true>();
632 Derived<HasHndl> *me =
static_cast<Derived<HasHndl>*
>( this );
633 return new Derived<HasHndl>( std::move( *me ) );
644 Derived<HasHndl> *me =
static_cast<Derived<HasHndl>*
>( this );
645 return new Derived<true>( std::move( *me ) );
654 Derived<HasHndl> *me =
static_cast<Derived<HasHndl>*
>( this );
655 return std::move( *me );
668 Derived<HasHndl> *me =
static_cast<Derived<HasHndl>*
>( this );
669 return Derived<to>( std::move( *me ) );
681 static_assert( !HasHndl,
"Operator >> is available only for operation without handler" );
683 return Transform<true>();
717 me.AddOperation( op.
Move() );
718 return me.template Transform<true>();
735 return me.template Transform<true>();
750 #endif // __XRD_CL_OPERATIONS_HH__ std::unique_ptr< Operation< true > > operation
First operation in the pipeline.
Definition: XrdClOperations.hh:476
Definition: XrdClAnyObject.hh:32
Operation(Operation< from > &&op)
Move constructor between template instances.
Definition: XrdClOperations.hh:202
bool valid
Flag indicating if it is a valid object.
Definition: XrdClOperations.hh:309
friend std::future< XRootDStatus > Async(Pipeline, uint16_t)
Definition: XrdClOperations.hh:493
std::future< XRootDStatus > ftr
The future result of the pipeline.
Definition: XrdClOperations.hh:481
ConcreteOperation(ConcreteOperation< Derived, from, HdlrFactory, Args... > &&op)
Definition: XrdClOperations.hh:547
Pipeline(Operation< false > &&op)
Constructor.
Definition: XrdClOperations.hh:372
Definition: XrdClOperationTimeout.hh:20
static Derived< true > PipeImpl(ConcreteOperation< Derived, HasHndl, HdlrFactory, Args... > &me, Operation< true > &op)
Definition: XrdClOperations.hh:713
ssize_t Move(KernelBuffer &kbuff, char *&ubuff)
Definition: XrdSysKernelBuffer.hh:452
Derived< true > operator|(Operation< true > &&op)
Definition: XrdClOperations.hh:586
Pipeline & operator=(Pipeline &&pipe)
Constructor.
Definition: XrdClOperations.hh:387
static void Repeat()
Repeat current operation.
Derived< true > operator|(Operation< true > &op)
Definition: XrdClOperations.hh:574
Derived< true > operator>>(Hdlr &&hdlr)
Definition: XrdClOperations.hh:562
uint16_t timeout
Operation timeout.
Definition: XrdClOperations.hh:746
void HandleResponseImpl(XRootDStatus *status, AnyObject *response, HostList *hostList=nullptr)
Callback function implementation;.
bool IsOK() const
We're fine.
Definition: XrdClStatus.hh:122
void dealloc(XRootDStatus *status, AnyObject *response, HostList *hostList)
Definition: XrdClOperations.hh:130
Derived< true > operator|(FinalOperation &&fo)
Adds a final operation to the pipeline.
Definition: XrdClOperations.hh:618
ConcreteOperation(Args &&... args)
Definition: XrdClOperations.hh:533
void AddOperation(Operation< true > *op)
Definition: XrdClOperations.hh:295
Derived< true > StreamImpl(ResponseHandler *handler)
Definition: XrdClOperations.hh:679
Definition: XrdClFinalOperation.hh:39
Derived< HasHndl > Timeout(uint16_t timeout)
Set operation timeout.
Definition: XrdClOperations.hh:651
friend std::future< XRootDStatus > Async(Pipeline, uint16_t)
Definition: XrdClOperations.hh:493
~PipelineHandler()
Destructor.
Definition: XrdClOperations.hh:93
Definition: XrdClOperationTimeout.hh:18
std::future< XRootDStatus > Async(Pipeline pipeline, uint16_t timeout=0)
Definition: XrdClOperations.hh:493
Derived< true > operator|(Operation< false > &op)
Definition: XrdClOperations.hh:598
static void Replace(Operation< false > &&opr)
Replace current operation.
virtual ~Operation()
Destructor.
Definition: XrdClOperations.hh:213
Pipeline exception, wrapps an XRootDStatus.
Definition: XrdClOperationHandlers.hh:356
Pipeline(Operation< true > &&op)
Constructor.
Definition: XrdClOperations.hh:348
std::function< Operation< true > *(const XRootDStatus &)> rcvry_func
Type of the recovery function to be provided by the user.
Definition: XrdClOperations.hh:46
std::vector< HostInfo > HostList
Definition: XrdClXRootDResponses.hh:1035
void Run(Timeout timeout, std::function< void(const XRootDStatus &)> final=nullptr)
Definition: XrdClOperations.hh:460
Timeout timeout
Pipeline timeout.
Definition: XrdClOperations.hh:156
void HandleResponseWithHosts(XRootDStatus *status, AnyObject *response, HostList *hostList)
Callback function.
static void Ignore()
Ignore error and proceed with the pipeline.
friend class ConcreteOperation
Definition: XrdClOperations.hh:524
std::tuple< Args... > args
Operation arguments.
Definition: XrdClOperations.hh:741
Pipeline(Pipeline &&pipe)
Definition: XrdClOperations.hh:378
PipelineHandler()
Default Constructor.
Definition: XrdClOperations.hh:75
virtual std::string ToString()=0
Name of the operation.
std::unique_ptr< Operation< true > > nextOperation
Next operation in the pipeline.
Definition: XrdClOperations.hh:151
Pipeline(Operation< false > &op)
Constructor.
Definition: XrdClOperations.hh:363
const uint16_t stError
An error occurred that could potentially be retried.
Definition: XrdClStatus.hh:32
Request status.
Definition: XrdClXRootDResponses.hh:218
static void AllocHandler(ConcreteOperation< Derived, true, HdlrFactory, Args... > &me)
Definition: XrdClOperations.hh:690
Definition: XrdClAnyObject.hh:25
XRootDStatus WaitFor(Pipeline pipeline, uint16_t timeout=0)
Definition: XrdClOperations.hh:507
Definition: XrdClOperations.hh:44
const uint16_t errOperationExpired
Definition: XrdClStatus.hh:90
Operation()
Constructor.
Definition: XrdClOperations.hh:194
const XRootDStatus & GetError() const
Definition: XrdClOperationHandlers.hh:396
Definition: XrdClOperations.hh:58
Operation< HasHndl > * Move()
Definition: XrdClOperations.hh:630
void HandleResponse(XRootDStatus *status, AnyObject *response)
Callback function.
Pipeline(Operation< true > &op)
Constructor.
Definition: XrdClOperations.hh:339
std::promise< XRootDStatus > prms
The promise that there will be a result (traveling along the pipeline)
Definition: XrdClOperations.hh:161
Handle an async response.
Definition: XrdClXRootDResponses.hh:1040
static void AllocHandler(ConcreteOperation< Derived, false, HdlrFactory, Args... > &me)
Definition: XrdClOperations.hh:699
Operation< true > * operator->()
Definition: XrdClOperations.hh:449
std::unique_ptr< Operation< true > > currentOperation
The operation the handler is assigned to.
Definition: XrdClOperations.hh:146
Derived< to > Transform()
Definition: XrdClOperations.hh:666
void AddOperation(Operation< true > *operation)
Pipeline(Operation< false > *op)
Definition: XrdClOperations.hh:354
const uint16_t errInternal
Internal error.
Definition: XrdClStatus.hh:56
virtual Operation< true > * ToHandled()=0
static Derived< true > PipeImpl(ConcreteOperation< Derived, HasHndl, HdlrFactory, Args... > &me, Operation< false > &op)
Definition: XrdClOperations.hh:730
friend class PipelineHandler
Definition: XrdClOperations.hh:187
void Run(Timeout timeout, std::promise< XRootDStatus > prms, std::function< void(const XRootDStatus &)> final)
Definition: XrdClOperations.hh:250
virtual XRootDStatus RunImpl(PipelineHandler *handler, uint16_t timeout)=0
Operation< true > * ToHandled()
Definition: XrdClOperations.hh:641
static void Stop(const XRootDStatus &status=XrdCl::XRootDStatus())
Pipeline(Operation< true > *op)
Constructor.
Definition: XrdClOperations.hh:330
std::unique_ptr< ResponseHandler > responseHandler
The handler of our operation.
Definition: XrdClOperations.hh:141
Derived< true > operator|(Operation< false > &&op)
Definition: XrdClOperations.hh:610
Definition: XrdClOperations.hh:319
Definition: XrdClParallelOperation.hh:79
void Assign(const Timeout &timeout, std::promise< XRootDStatus > prms, std::function< void(const XRootDStatus &)> final, Operation< true > *opr)
virtual Operation< HasHndl > * Move()=0
std::unique_ptr< PipelineHandler > handler
Operation handler.
Definition: XrdClOperations.hh:304
Definition: XrdClOperations.hh:521