TXUnixSocket Class Reference

Implementation of TXSocket using PF_UNIX sockets.

Used for the internal connection between coordinator and TXProofServ.

Definition at line 29 of file TXUnixSocket.h.

Public Member Functions
	TXUnixSocket (const char *u, Int_t psid=-1, Char_t ver=-1, TXHandler *handler=0, int fd=-1)
	Constructor.
virtual	~TXUnixSocket ()
Int_t	GetClientID () const
Int_t	GetClientIDSize () const
Int_t	Reconnect ()
	Try reconnection after failure.
void	RemoveClientID ()
void	SetClientID (Int_t cid)
Public Member Functions inherited from TXSocket
	TXSocket (const char *url, Char_t mode='M', Int_t psid=-1, Char_t ver=-1, const char *logbuf=0, Int_t loglevel=-1, TXHandler *handler=0)
	Constructor Open the connection to a remote XrdProofd instance and start a PROOF session.
virtual	~TXSocket ()
	Destructor.
virtual void	Close (Option_t *opt="")
	Close connection.
Bool_t	Create (Bool_t attach=kFALSE)
	This method sends a request for creation of (or attachment to) a remote server application.
void	CtrlC ()
	Interrupt the remote protocol instance.
void	DisableTimeout ()
void	DisconnectSession (Int_t id, Option_t *opt="")
	Disconnect a session.
void	DoError (int level, const char *location, const char *fmt, va_list va) const
	Interface to ErrorHandler (protected).
void	EnableTimeout ()
Int_t	Flush ()
	Flush the asynchronous queue.
Int_t	GetInterrupt (Bool_t &forward)
	Get latest interrupt level and reset it; if the interrupt has to be propagated to lower stages forward will be kTRUE after the call.
Int_t	GetLogConnID () const
	Getter for logical connection ID.
Int_t	GetOpenError () const
	Getter for last error.
Int_t	GetServType () const
	Getter for server type.
Int_t	GetSessionID () const
	Getter for session ID.
Int_t	GetXrdProofdVersion () const
Bool_t	IsAWait ()
Bool_t	IsInterrupt ()
Bool_t	IsServProofd ()
	Return kTRUE if the remote server is a 'proofd'.
Bool_t	IsValid () const
	Getter for validity status.
Bool_t	Ping (const char *ord=0)
	Ping functionality: contact the server to check its vitality.
virtual UnsolRespProcResult	ProcessUnsolicitedMsg (XrdClientUnsolMsgSender *s, XrdClientMessage *msg)
	We are here if an unsolicited response comes from a logical conn The response comes in the form of an XrdClientMessage *, that must NOT be destroyed after processing.
Int_t	Recv (char *mess, Int_t max)
	Receive a character string message of maximum max length.
Int_t	Recv (char *mess, Int_t max, Int_t &kind)
	Receive a character string message of maximum max length.
Int_t	Recv (Int_t &status, Int_t &kind)
	Receives a status and a message type.
Int_t	Recv (TMessage *&mess)
	Receive a TMessage object.
Int_t	RecvRaw (void *buf, Int_t len, ESendRecvOptions opt=kDefault)
	Receive a raw buffer of specified length bytes.
void	RemoteTouch ()
	Remote touch functionality: contact the server to proof our vitality.
Int_t	Send (const char *mess, Int_t kind=kMESS_STRING)
	Send a character string buffer.
Int_t	Send (const TMessage &mess)
	Send a TMessage object.
Int_t	Send (Int_t kind)
	Send a single message opcode.
Int_t	Send (Int_t status, Int_t kind)
	Send a status and a single message opcode.
TObjString *	SendCoordinator (Int_t kind, const char *msg=0, Int_t int2=0, Long64_t l64=0, Int_t int3=0, const char *opt=0)
	Send message to intermediate coordinator.
Int_t	SendInterrupt (Int_t type)
	Send urgent message (interrupt) to remote server Returns 0 or -1 in case of error.
Int_t	SendRaw (const void *buf, Int_t len, ESendRecvOptions opt=kDontBlock)
	Send a raw buffer of specified length.
void	SendUrgent (Int_t type, Int_t int1, Int_t int2)
	Send urgent message to counterpart; 'type' specifies the type of the message (see TXSocket::EUrgentMsgType), and 'int1', 'int2' two containers for additional information.
void	SetAWait (Bool_t w=kTRUE)
void	SetInterrupt (Bool_t i=kTRUE)
Int_t	SetOption (ESockOptions, Int_t)
	Set socket options.
void	SetSendOpt (ESendRecvOptions o)
void	SetSessionID (Int_t id)
	Set session ID to 'id'. If id < 0, disable also the asynchronous handler.
Public Member Functions inherited from TSocket
	TSocket (const char *host, const char *service, Int_t tcpwindowsize=-1)
	Create a socket.
	TSocket (const char *host, Int_t port, Int_t tcpwindowsize=-1)
	Create a socket; see CreateAuthSocket for the form of url.
	TSocket (const char *sockpath)
	Create a socket in the Unix domain on 'sockpath'.
	TSocket (const TSocket &s)
	TSocket copy ctor.
	TSocket (Int_t descriptor)
	Create a socket.
	TSocket (Int_t descriptor, const char *sockpath)
	Create a socket.
	TSocket (TInetAddress address, const char *service, Int_t tcpwindowsize=-1)
	Create a socket.
	TSocket (TInetAddress address, Int_t port, Int_t tcpwindowsize=-1)
	Create a socket.
virtual	~TSocket ()
UInt_t	GetBytesRecv () const
UInt_t	GetBytesSent () const
Int_t	GetCompressionAlgorithm () const
Int_t	GetCompressionLevel () const
Int_t	GetCompressionSettings () const
virtual Int_t	GetDescriptor () const
Int_t	GetErrorCode () const
	Returns error code.
TInetAddress	GetInetAddress () const
TTimeStamp	GetLastUsage ()
virtual TInetAddress	GetLocalInetAddress ()
	Return internet address of local host to which the socket is bound.
virtual Int_t	GetLocalPort ()
	Return the local port # to which the socket is bound.
virtual Int_t	GetOption (ESockOptions opt, Int_t &val)
	Get socket options. Returns -1 in case of error.
Int_t	GetPort () const
Int_t	GetRemoteProtocol () const
TSecContext *	GetSecContext () const
const char *	GetService () const
Int_t	GetServType () const
Int_t	GetTcpWindowSize () const
const char *	GetUrl () const
virtual Bool_t	IsAuthenticated () const
virtual Int_t	Select (Int_t interest=kRead, Long_t timeout=-1)
	Waits for this socket to change status.
virtual Int_t	SendObject (const TObject *obj, Int_t kind=kMESS_OBJECT)
	Send an object.
void	SetCompressionAlgorithm (Int_t algorithm=ROOT::RCompressionSetting::EAlgorithm::kUseGlobal)
	See comments for function SetCompressionSettings.
void	SetCompressionLevel (Int_t level=ROOT::RCompressionSetting::ELevel::kUseMin)
	See comments for function SetCompressionSettings.
void	SetCompressionSettings (Int_t settings=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault)
	Used to specify the compression level and algorithm: settings = 100 * algorithm + level.
void	SetRemoteProtocol (Int_t rproto)
void	SetSecContext (TSecContext *ctx)
void	SetService (const char *service)
void	SetServType (Int_t st)
void	SetUrl (const char *url)
void	Touch ()
Public Member Functions inherited from TNamed
	TNamed ()
	TNamed (const char *name, const char *title)
	TNamed (const TNamed &named)
	TNamed copy ctor.
	TNamed (const TString &name, const TString &title)
virtual	~TNamed ()
	TNamed destructor.
virtual void	Clear (Option_t *option="")
	Set name and title to empty strings ("").
virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility.
virtual Int_t	Compare (const TObject *obj) const
	Compare two TNamed objects.
virtual void	Copy (TObject &named) const
	Copy this to obj.
virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.
virtual const char *	GetName () const
	Returns name of object.
virtual const char *	GetTitle () const
	Returns title of object.
virtual ULong_t	Hash () const
	Return hash value for this object.
virtual Bool_t	IsSortable () const
virtual void	ls (Option_t *option="") const
	List TNamed name and title.
TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.
virtual void	Print (Option_t *option="") const
	Print TNamed name and title.
virtual void	SetName (const char *name)
	Set the name of the TNamed.
virtual void	SetNameTitle (const char *name, const char *title)
	Set all the TNamed parameters (name and title).
virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.
virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject.
Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.
	TObject (const TObject &object)
	TObject copy ctor.
virtual	~TObject ()
	TObject destructor.
void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.
virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.
virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.
ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.
virtual const char *	ClassName () const
	Returns name of class to which the object belongs.
virtual void	Delete (Option_t *option="")
	Delete this object.
virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object.
virtual void	Draw (Option_t *option="")
	Default Draw method for all objects.
virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.
virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad).
virtual void	Dump () const
	Dump contents of object on stdout.
virtual void	Error (const char *method, const char *msgfmt,...) const
	Issue error message.
virtual void	Execute (const char *method, const char *params, Int_t *error=0)
	Execute method on this object with the given parameter string, e.g.
virtual void	Execute (TMethod *method, TObjArray *params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray.
virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py).
virtual void	Fatal (const char *method, const char *msgfmt,...) const
	Issue fatal error message.
virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.
virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.
virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.
virtual const char *	GetIconName () const
	Returns mime type name of object.
virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).
virtual UInt_t	GetUniqueID () const
	Return the unique object id.
virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.
Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.
virtual void	Info (const char *method, const char *msgfmt,...) const
	Issue info message.
virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".
virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.
virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.
void	InvertBit (UInt_t f)
Bool_t	IsDestructed () const
	IsDestructed.
virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).
virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).
R__ALWAYS_INLINE Bool_t	IsOnHeap () const
R__ALWAYS_INLINE Bool_t	IsZombie () const
void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).
virtual Bool_t	Notify ()
	This method must be overridden to handle object notification.
void	Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.
void	operator delete (void *ptr)
	Operator delete.
void	operator delete[] (void *ptr)
	Operator delete [].
void *	operator new (size_t sz)
void *	operator new (size_t sz, void *vp)
void *	operator new[] (size_t sz)
void *	operator new[] (size_t sz, void *vp)
TObject &	operator= (const TObject &rhs)
	TObject assignment operator.
virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself.
virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.
virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.
virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.
void	ResetBit (UInt_t f)
virtual void	SaveAs (const char *filename="", Option_t *option="") const
	Save this object in the file specified by filename.
virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out".
void	SetBit (UInt_t f)
void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.
virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.
virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.
virtual void	SysError (const char *method, const char *msgfmt,...) const
	Issue system error message.
R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const
Int_t	TestBits (UInt_t f) const
virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.
virtual void	Warning (const char *method, const char *msgfmt,...) const
	Issue warning message.
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.
Public Member Functions inherited from XrdClientAbsUnsolMsgHandler
virtual	~XrdClientAbsUnsolMsgHandler ()

Private Attributes
std::list< Int_t >	fClientIDs

Friends
class	TXProofServ

Additional Inherited Members
Public Types inherited from TXSocket
enum	EUrgentMsgType { kStopProcess = 2000 }
Public Types inherited from TSocket
enum	EInterest { kRead = 1 , kWrite = 2 }
enum	EServiceType { kSOCKD , kROOTD , kPROOFD }
enum	EStatusBits { kIsUnix = BIT(16) , kBrokenConn = BIT(17) }
Public Types inherited from TObject
enum	{   kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 ,   kBitMask = 0x00ffffff }
enum	{ kSingleKey = BIT(0) , kOverwrite = BIT(1) , kWriteDelete = BIT(2) }
enum	EDeprecatedStatusBits { kObjInCanvas = BIT(3) }
enum	EStatusBits {   kCanDelete = BIT(0) , kMustCleanup = BIT(3) , kIsReferenced = BIT(4) , kHasUUID = BIT(5) ,   kCannotPick = BIT(6) , kNoContextMenu = BIT(8) , kInvalidObject = BIT(13) }
Static Public Member Functions inherited from TSocket
static TSocket *	CreateAuthSocket (const char *url, Int_t size=0, Int_t tcpwindowsize=-1, TSocket *s=0, Int_t *err=0)
	Creates a socket or a parallel socket and authenticates to the remote server.
static TSocket *	CreateAuthSocket (const char *user, const char *host, Int_t port, Int_t size=0, Int_t tcpwindowsize=-1, TSocket *s=0, Int_t *err=0)
	Creates a socket or a parallel socket and authenticates to the remote server specified in 'url' on remote 'port' as 'user'.
static Int_t	GetClientProtocol ()
	Static method returning supported client protocol.
static ULong64_t	GetSocketBytesRecv ()
	Get total number of bytes received via all sockets.
static ULong64_t	GetSocketBytesSent ()
	Get total number of bytes sent via all sockets.
static void	NetError (const char *where, Int_t error)
	Print error string depending on error code.
Static Public Member Functions inherited from TObject
static Longptr_t	GetDtorOnly ()
	Return destructor only flag.
static Bool_t	GetObjectStat ()
	Get status of object stat flag.
static void	SetDtorOnly (void *obj)
	Set destructor only flag.
static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.
Protected Types inherited from TSocket
enum	ESocketErrors { kInvalid = -1 , kInvalidStillInList = -2 }
Protected Types inherited from TObject
enum	{ kOnlyPrepStep = BIT(3) }
Protected Member Functions inherited from TSocket
	TSocket ()
Bool_t	Authenticate (const char *user)
	Authenticated the socket with specified user.
void	MarkBrokenConnection ()
	Close the socket and mark as due to a broken connection.
Bool_t	RecvProcessIDs (TMessage *mess)
	Receive a message containing process ids.
Bool_t	RecvStreamerInfos (TMessage *mess)
	Receive a message containing streamer infos.
void	SendProcessIDs (const TMessage &mess)
	Check if TProcessIDs must be sent.
void	SendStreamerInfos (const TMessage &mess)
	Check if TStreamerInfo must be sent.
void	SetDescriptor (Int_t desc)
Protected Member Functions inherited from TObject
void	MakeZombie ()
Protected Attributes inherited from TSocket
TInetAddress	fAddress
TBits	fBitsInfo
UInt_t	fBytesRecv
UInt_t	fBytesSent
Int_t	fCompress
TTimeStamp	fLastUsage
TVirtualMutex *	fLastUsageMtx
TInetAddress	fLocalAddress
Int_t	fRemoteProtocol
TSecContext *	fSecContext
TString	fService
EServiceType	fServType
Int_t	fSocket
Int_t	fTcpWindowSize
TString	fUrl
TList *	fUUIDs
Protected Attributes inherited from TNamed
TString	fName
TString	fTitle
Static Protected Attributes inherited from TSocket
static ULong64_t	fgBytesRecv = 0
static ULong64_t	fgBytesSent = 0
static Int_t	fgClientProtocol = 17

#include <TXUnixSocket.h>

Inheritance diagram for TXUnixSocket:

Constructor & Destructor Documentation

TXUnixSocket()

TXUnixSocket::TXUnixSocket	(	const char *	u,
		Int_t	psid = -1,
		Char_t	ver = -1,
		TXHandler *	handler = 0,
		int	fd = -1
	)

Constructor.

Definition at line 32 of file TXUnixSocket.cxx.

~TXUnixSocket()

virtual TXUnixSocket::~TXUnixSocket ( )

inlinevirtual

Definition at line 39 of file TXUnixSocket.h.

Member Function Documentation

GetClientID()

Int_t TXUnixSocket::GetClientID ( ) const

inlinevirtual

Reimplemented from TXSocket.

Definition at line 41 of file TXUnixSocket.h.

GetClientIDSize()

Int_t TXUnixSocket::GetClientIDSize ( ) const

inlinevirtual

Reimplemented from TXSocket.

Definition at line 42 of file TXUnixSocket.h.

Reconnect()

Int_t TXUnixSocket::Reconnect ( )

virtual

Try reconnection after failure.

Reimplemented from TXSocket.

Definition at line 65 of file TXUnixSocket.cxx.

RemoveClientID()

void TXUnixSocket::RemoveClientID ( )

inlinevirtual

Reimplemented from TXSocket.

Definition at line 44 of file TXUnixSocket.h.

SetClientID()

void TXUnixSocket::SetClientID ( Int_t  cid )

inlinevirtual

Reimplemented from TXSocket.

Definition at line 45 of file TXUnixSocket.h.

Friends And Related Symbol Documentation

TXProofServ

friend class TXProofServ

friend

Definition at line 31 of file TXUnixSocket.h.

Member Data Documentation

fClientIDs

std::list<Int_t> TXUnixSocket::fClientIDs

private

Definition at line 34 of file TXUnixSocket.h.