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 );
407 operation->AddOperation( op.ToHandled() );
418 if( !
bool(
operation ) )
throw std::logic_error(
"Invalid pipeline." );
481 throw std::logic_error(
"Pipeline is already running!" );
484 std::promise<XRootDStatus> prms;
485 ftr = prms.get_future();
487 if( !
operation ) std::logic_error(
"Empty pipeline!" );
490 opr->
Run( timeout, std::move( prms ), std::move(
final ) );
501 std::future<XRootDStatus>
ftr;
513 inline std::future<XRootDStatus>
Async(
Pipeline pipeline, uint16_t timeout = 0 )
515 pipeline.
Run( timeout );
516 return std::move( pipeline.
ftr );
529 return Async( std::move( pipeline ), timeout ).get();
540 template<
template<
bool>
class Derived,
bool HasHndl,
typename HdlrFactory,
typename ... Args>
543 template<
template<
bool>
class, bool,
typename,
typename ...>
556 static_assert( !HasHndl,
"It is only possible to construct operation without handler" );
568 Operation<HasHndl>( std::move( op ) ),
args( std::move( op.
args ) ), timeout( 0 )
581 template<
typename Hdlr>
584 return this->
StreamImpl( HdlrFactory::Create( hdlr ) );
641 this->
handler->Assign( fo.final );
642 return this->
template Transform<true>();
652 Derived<HasHndl> *me =
static_cast<Derived<HasHndl>*
>( this );
653 return new Derived<HasHndl>( std::move( *me ) );
664 Derived<HasHndl> *me =
static_cast<Derived<HasHndl>*
>( this );
665 return new Derived<true>( std::move( *me ) );
674 Derived<HasHndl> *me =
static_cast<Derived<HasHndl>*
>( this );
675 return std::move( *me );
688 Derived<HasHndl> *me =
static_cast<Derived<HasHndl>*
>( this );
689 return Derived<to>( std::move( *me ) );
701 static_assert( !HasHndl,
"Operator >> is available only for operation without handler" );
703 return Transform<true>();
737 me.AddOperation( op.
Move() );
738 return me.template Transform<true>();
755 return me.template Transform<true>();
770 #endif // __XRD_CL_OPERATIONS_HH__
std::unique_ptr< Operation< true > > operation
First operation in the pipeline.
Definition: XrdClOperations.hh:496
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
Pipeline & operator|=(Operation< false > &&op)
Extend pipeline.
Definition: XrdClOperations.hh:405
friend std::future< XRootDStatus > Async(Pipeline, uint16_t)
Definition: XrdClOperations.hh:513
std::future< XRootDStatus > ftr
The future result of the pipeline.
Definition: XrdClOperations.hh:501
Pipeline(Operation< false > &&op)
Constructor.
Definition: XrdClOperations.hh:374
Definition: XrdClOperationTimeout.hh:19
ssize_t Move(KernelBuffer &kbuff, char *&ubuff)
Definition: XrdSysKernelBuffer.hh:452
Derived< true > operator|(Operation< true > &&op)
Definition: XrdClOperations.hh:606
Pipeline & operator=(Pipeline &&pipe)
Constructor.
Definition: XrdClOperations.hh:387
static void Repeat()
Repeat current operation.
Derived< true > operator|(Operation< true > &op)
Definition: XrdClOperations.hh:594
Derived< true > operator>>(Hdlr &&hdlr)
Definition: XrdClOperations.hh:582
uint16_t timeout
Operation timeout.
Definition: XrdClOperations.hh:766
Pipeline & operator|=(Operation< true > &&op)
Extend pipeline.
Definition: XrdClOperations.hh:396
Pipeline()
Default constructor.
Definition: XrdClOperations.hh:330
void HandleResponseImpl(XRootDStatus *status, AnyObject *response, HostList *hostList=nullptr)
Callback function implementation;.
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:638
void AddOperation(Operation< true > *op)
Definition: XrdClOperations.hh:295
ConcreteOperation(ConcreteOperation< Derived, from, HdlrFactory, Args...> &&op)
Definition: XrdClOperations.hh:567
Derived< true > StreamImpl(ResponseHandler *handler)
Definition: XrdClOperations.hh:699
const XRootDStatus & GetError() const
Definition: XrdClOperationHandlers.hh:396
Definition: XrdClFinalOperation.hh:39
Derived< HasHndl > Timeout(uint16_t timeout)
Set operation timeout.
Definition: XrdClOperations.hh:671
friend std::future< XRootDStatus > Async(Pipeline, uint16_t)
Definition: XrdClOperations.hh:513
~PipelineHandler()
Destructor.
Definition: XrdClOperations.hh:93
Definition: XrdClOperationTimeout.hh:17
std::future< XRootDStatus > Async(Pipeline pipeline, uint16_t timeout=0)
Definition: XrdClOperations.hh:513
Derived< true > operator|(Operation< false > &op)
Definition: XrdClOperations.hh:618
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:353
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:1111
void Run(Timeout timeout, std::function< void(const XRootDStatus &)> final=nullptr)
Definition: XrdClOperations.hh:478
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:544
std::tuple< Args...> args
Operation arguments.
Definition: XrdClOperations.hh:761
Pipeline(Pipeline &&pipe)
Definition: XrdClOperations.hh:379
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:366
const uint16_t stError
An error occurred that could potentially be retried.
Definition: XrdClStatus.hh:32
Request status.
Definition: XrdClXRootDResponses.hh:218
XRootDStatus WaitFor(Pipeline pipeline, uint16_t timeout=0)
Definition: XrdClOperations.hh:527
Definition: XrdClOperations.hh:44
const uint16_t errOperationExpired
Definition: XrdClStatus.hh:90
Operation()
Constructor.
Definition: XrdClOperations.hh:194
static Derived< true > PipeImpl(ConcreteOperation< Derived, HasHndl, HdlrFactory, Args...> &me, Operation< false > &op)
Definition: XrdClOperations.hh:750
static void AllocHandler(ConcreteOperation< Derived, true, HdlrFactory, Args...> &me)
Definition: XrdClOperations.hh:710
Definition: XrdClOperations.hh:58
static void AllocHandler(ConcreteOperation< Derived, false, HdlrFactory, Args...> &me)
Definition: XrdClOperations.hh:719
Operation< HasHndl > * Move()
Definition: XrdClOperations.hh:650
void HandleResponse(XRootDStatus *status, AnyObject *response)
Callback function.
Pipeline(Operation< true > &op)
Constructor.
Definition: XrdClOperations.hh:345
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:1116
Operation< true > * operator->()
Definition: XrdClOperations.hh:467
std::unique_ptr< Operation< true > > currentOperation
The operation the handler is assigned to.
Definition: XrdClOperations.hh:146
Derived< to > Transform()
Definition: XrdClOperations.hh:686
void AddOperation(Operation< true > *operation)
Pipeline(Operation< false > *op)
Definition: XrdClOperations.hh:358
const uint16_t errInternal
Internal error.
Definition: XrdClStatus.hh:56
static Derived< true > PipeImpl(ConcreteOperation< Derived, HasHndl, HdlrFactory, Args...> &me, Operation< true > &op)
Definition: XrdClOperations.hh:733
virtual Operation< true > * ToHandled()=0
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:661
static void Stop(const XRootDStatus &status=XrdCl::XRootDStatus())
ConcreteOperation(Args &&...args)
Definition: XrdClOperations.hh:553
Pipeline(Operation< true > *op)
Constructor.
Definition: XrdClOperations.hh:337
std::unique_ptr< ResponseHandler > responseHandler
The handler of our operation.
Definition: XrdClOperations.hh:141
bool IsOK() const
We're fine.
Definition: XrdClStatus.hh:123
Derived< true > operator|(Operation< false > &&op)
Definition: XrdClOperations.hh:630
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:541