XRootD
XrdCl::QueryImpl< HasHndl > Class Template Reference

Query operation (. More...

#include <XrdClFileSystemOperations.hh>

+ Inheritance diagram for XrdCl::QueryImpl< HasHndl >:
+ Collaboration diagram for XrdCl::QueryImpl< HasHndl >:

Public Types

enum  {
  QueryCodeArg ,
  BufferArg
}
 Argument indexes in the args tuple. More...
 
enum  Code
 XRootD query request codes. More...
 

Public Member Functions

std::string ToString ()
 
- Public Member Functions inherited from XrdCl::FileSystemOperation< QueryImpl, HasHndl, Resp< Buffer >, Arg< QueryCode::Code >, Arg< Buffer > >
 FileSystemOperation (Ctx< FileSystem > fs, Args... args)
 
 FileSystemOperation (FileSystemOperation< QueryImpl, from, Resp< Buffer >, Args... > &&op)
 
virtual ~FileSystemOperation ()
 Destructor. More...
 
- Public Member Functions inherited from XrdCl::ConcreteOperation< Derived, HasHndl, HdlrFactory, Args >
 ConcreteOperation (Args &&... args)
 
template<bool from>
 ConcreteOperation (ConcreteOperation< Derived, from, HdlrFactory, Args... > &&op)
 
Operation< HasHndl > * Move ()
 
template<typename Hdlr >
Derived< true > operator>> (Hdlr &&hdlr)
 
Derived< true > operator| (FinalOperation &&fo)
 Adds a final operation to the pipeline. More...
 
Derived< true > operator| (Operation< false > &&op)
 
Derived< true > operator| (Operation< false > &op)
 
Derived< true > operator| (Operation< true > &&op)
 
Derived< true > operator| (Operation< true > &op)
 
Derived< HasHndl > Timeout (uint16_t timeout)
 Set operation timeout. More...
 
Operation< true > * ToHandled ()
 
- Public Member Functions inherited from XrdCl::Operation< HasHndl >
 Operation ()
 Constructor. More...
 
template<bool from>
 Operation (Operation< from > &&op)
 Move constructor between template instances. More...
 
virtual ~Operation ()
 Destructor. More...
 

Protected Member Functions

XRootDStatus RunImpl (PipelineHandler *handler, uint16_t pipelineTimeout)
 
- Protected Member Functions inherited from XrdCl::ConcreteOperation< Derived, HasHndl, HdlrFactory, Args >
Derived< true > StreamImpl (ResponseHandler *handler)
 
template<bool to>
Derived< to > Transform ()
 
- Protected Member Functions inherited from XrdCl::Operation< HasHndl >
void AddOperation (Operation< true > *op)
 
void Run (Timeout timeout, std::promise< XRootDStatus > prms, std::function< void(const XRootDStatus &)> final)
 

Additional Inherited Members

- Static Protected Member Functions inherited from XrdCl::ConcreteOperation< Derived, HasHndl, HdlrFactory, Args >
static void AllocHandler (ConcreteOperation< Derived, false, HdlrFactory, Args... > &me)
 
static void AllocHandler (ConcreteOperation< Derived, true, HdlrFactory, Args... > &me)
 
static Derived< true > PipeImpl (ConcreteOperation< Derived, HasHndl, HdlrFactory, Args... > &me, Operation< false > &op)
 
static Derived< true > PipeImpl (ConcreteOperation< Derived, HasHndl, HdlrFactory, Args... > &me, Operation< true > &op)
 
- Protected Attributes inherited from XrdCl::FileSystemOperation< QueryImpl, HasHndl, Resp< Buffer >, Arg< QueryCode::Code >, Arg< Buffer > >
Ctx< FileSystemfilesystem
 The file system object itself. More...
 
- Protected Attributes inherited from XrdCl::ConcreteOperation< Derived, HasHndl, HdlrFactory, Args >
std::tuple< Args... > args
 Operation arguments. More...
 
uint16_t timeout
 Operation timeout. More...
 
- Protected Attributes inherited from XrdCl::Operation< HasHndl >
std::unique_ptr< PipelineHandlerhandler
 Operation handler. More...
 
bool valid
 Flag indicating if it is a valid object. More...
 

Detailed Description

template<bool HasHndl>
class XrdCl::QueryImpl< HasHndl >

Query operation (.

See also
FileSystemOperation)

Definition at line 238 of file XrdClFileSystemOperations.hh.

Member Enumeration Documentation

◆ anonymous enum

template<bool HasHndl>
anonymous enum

Argument indexes in the args tuple.

Enumerator
QueryCodeArg 
BufferArg 

Definition at line 252 of file XrdClFileSystemOperations.hh.

◆ Code

template<bool HasHndl>
enum XrdCl::QueryCode::Code

XRootD query request codes.

Definition at line 52 of file XrdClFileSystem.hh.

53  {
55  ChecksumCancel = kXR_Qckscan,
56  Checksum = kXR_Qcksum,
57  Opaque = kXR_Qopaque,
58  OpaqueFile = kXR_Qopaquf,
59  Prepare = kXR_QPrep,
60  Space = kXR_Qspace,
61  Stats = kXR_QStats,
62  Visa = kXR_Qvisa,
63  XAttr = kXR_Qxattr
64  };
@ kXR_QPrep
Definition: XProtocol.hh:616
@ kXR_Qconfig
Definition: XProtocol.hh:621
@ kXR_Qopaquf
Definition: XProtocol.hh:624
@ kXR_Qckscan
Definition: XProtocol.hh:620
@ kXR_Qxattr
Definition: XProtocol.hh:618
@ kXR_Qspace
Definition: XProtocol.hh:619
@ kXR_Qvisa
Definition: XProtocol.hh:622
@ kXR_QStats
Definition: XProtocol.hh:615
@ kXR_Qcksum
Definition: XProtocol.hh:617
@ kXR_Qopaque
Definition: XProtocol.hh:623
VisaImpl< false > Visa
PrepareImpl< false > Prepare
XrdCmsConfig Config
XrdPosixStats Stats
Definition: XrdPosixFile.cc:64

Member Function Documentation

◆ RunImpl()

template<bool HasHndl>
XRootDStatus XrdCl::QueryImpl< HasHndl >::RunImpl ( PipelineHandler handler,
uint16_t  pipelineTimeout 
)
inlineprotectedvirtual

RunImpl operation (

See also
Operation)
Parameters
params: container with parameters forwarded from previous operation
Returns
: status of the operation

Implements XrdCl::Operation< HasHndl >.

Definition at line 271 of file XrdClFileSystemOperations.hh.

272  {
273  QueryCode::Code queryCode = std::get<QueryCodeArg>( this->args ).Get();
274  const Buffer &buffer( std::get<BufferArg>( this->args ).Get() );
275  uint16_t timeout = pipelineTimeout < this->timeout ?
276  pipelineTimeout : this->timeout;
277  return this->filesystem->Query( queryCode, buffer, handler, timeout );
278  }
std::tuple< Args... > args
Operation arguments.
uint16_t timeout
Operation timeout.
std::unique_ptr< PipelineHandler > handler
Operation handler.
Code
XRootD query request codes.

References XrdCl::ConcreteOperation< Derived, HasHndl, HdlrFactory, Args >::args, XrdCl::FileSystemOperation< QueryImpl, HasHndl, Resp< Buffer >, Arg< QueryCode::Code >, Arg< Buffer > >::filesystem, XrdCl::Operation< HasHndl >::handler, and XrdCl::ConcreteOperation< Derived, HasHndl, HdlrFactory, Args >::timeout.

◆ ToString()

template<bool HasHndl>
std::string XrdCl::QueryImpl< HasHndl >::ToString ( )
inlinevirtual
Returns
: name of the operation (
See also
Operation)

Implements XrdCl::Operation< HasHndl >.

Definition at line 257 of file XrdClFileSystemOperations.hh.

258  {
259  return "Query";
260  }

The documentation for this class was generated from the following file: