DABC (Data Acquisition Backbone Core)  2.9.9
Public Member Functions | Protected Member Functions | Protected Attributes
dabc::SocketServerAddon Class Reference

Socket addon for handling connection requests on server side. More...

#include <dabc/SocketThread.h>

Inheritance diagram for dabc::SocketServerAddon:
dabc::SocketConnectAddon dabc::SocketAddon dabc::WorkerAddon dabc::Object

Public Member Functions

virtual const char * ClassName () const
 Returns class name of the object instance. More...
 
virtual void ProcessEvent (const EventId &)
 
std::string ServerHostName ()
 
std::string ServerId ()
 
int ServerPortNumber () const
 
 SocketServerAddon (int serversocket, const char *hostname=nullptr, int portnum=-1, struct addrinfo *info=nullptr)
 
virtual ~SocketServerAddon ()
 
- Public Member Functions inherited from dabc::SocketConnectAddon
virtual void ObjectCleanup ()
 User method to cleanup object content before it will be destroyed Main motivation is to release any references on other objects to avoid any cross-references and as result deadlocks in objects cleanup. More...
 
void SetConnHandler (const WorkerRef &rcv, const std::string &connid)
 Set connection handler. More...
 
 SocketConnectAddon (int fd)
 
virtual ~SocketConnectAddon ()
 
- Public Member Functions inherited from dabc::SocketAddon
void CloseSocket ()
 
bool IsDeliverEventsToWorker () const
 
bool IsDoingInput () const
 
bool IsDoingOutput () const
 
bool IsSocket () const
 
virtual std::string RequiredThrdClass () const
 
void SetDeliverEventsToWorker (bool on=true)
 
void SetIOPriority (int prior=1)
 Method defines priority level for socket IO events. More...
 
void SetSocket (int fd)
 
int Socket () const
 
 SocketAddon (int fd=-1)
 
int TakeSocket ()
 
int TakeSocketError ()
 
virtual ~SocketAddon ()
 
- Public Member Functions inherited from dabc::WorkerAddon
 WorkerAddon (const std::string &name)
 
virtual ~WorkerAddon ()
 
- Public Member Functions inherited from dabc::Object
bool AddChild (Object *child, bool withmutex=true) throw ()
 Add object to list of child objects, thread safe More...
 
bool AddChildAt (Object *child, unsigned pos, bool withmutex=true)
 Add object to list of child objects at specified position. More...
 
virtual void BuildFieldsMap (RecordFieldsMap *cont)
 Fill fields map, which is relevant for the object Objects hierarchy produced from dabc::Manager. More...
 
virtual bool Find (ConfigIO &cfg)
 Method to locate object in xml file. More...
 
ObjectFindChild (const char *name) const
 returns pointer on child object with given name More...
 
Reference FindChildRef (const char *name, bool force=false) const throw ()
 returns reference on child object with given name More...
 
bool GetAllChildRef (ReferencesVector *vect) const
 
ObjectGetChild (unsigned n) const
 returns pointer on child object More...
 
Reference GetChildRef (unsigned n) const
 returns reference on child object More...
 
Reference GetFolder (const std::string &name, bool force=false) throw ()
 Return folder of specified name, no special symbols allowed. More...
 
const char * GetName () const
 Returns name of the object, thread safe More...
 
ObjectGetParent () const
 Returns pointer on parent object, thread safe More...
 
Reference GetParentRef () const
 
bool IsChildsHidden () const
 Return true if object wants to hide childs from hierarchy scan, thread safe More...
 
bool IsHidden () const
 Return true if object wants to be hidden from hierarchy scan, thread safe More...
 
bool IsLogging () const
 Return true if object selected for logging, thread safe More...
 
bool IsName (const char *str) const
 Checks if object name is same as provided string, thread safe More...
 
bool IsName (const char *str, int len) const
 Checks if object name is same as provided, thread safe More...
 
bool IsName (const std::string &str) const
 Checks if object name is same as provided string, thread safe More...
 
bool IsNameMatch (const std::string &mask) const
 Check if object name match to the mask. More...
 
bool IsOwner () const
 Returns true if object is owner of its children, thread safe More...
 
bool IsParent (Object *obj) const
 Checks if specified argument is in the list of object parents. More...
 
bool IsTopXmlLevel () const
 Return true if object should be searched in the top level of the xml file, thread safe More...
 
std::string ItemName (bool compact=true) const
 Produce string, which can be used as name argument in dabc::mgr.FindItem(name) call. More...
 
unsigned NumChilds () const
 returns number of child objects More...
 
 Object (const std::string &name, unsigned flags=flIsOwner)
 Resolve problem with child-parent mutex locking. More...
 
 Object (Reference parent, const std::string &name, unsigned flags=flIsOwner)
 
virtual void Print (int lvl=0)
 Print object content on debug output. More...
 
bool RemoveChild (Object *child, bool cleanup=true) throw ()
 Detach child from parent object If cleanup==true and parent is owner of child, child will be destroyed. More...
 
bool RemoveChildAt (unsigned n, bool cleanup=true) throw ()
 Detach child object from parent at specified position If cleanup==true and object is owner of child, child will be destroyed. More...
 
bool RemoveChilds (bool cleanup=true)
 Remove all childs. More...
 
void SetLogging (bool on=true)
 Sets logging flag, thread safe More...
 
virtual ~Object ()
 

Protected Member Functions

virtual void OnClientConnected (int fd)
 
bool RecreateSocket ()
 
- Protected Member Functions inherited from dabc::SocketAddon
ssize_t DoRecvBuffer (void *buf, ssize_t len)
 
ssize_t DoRecvBufferHdr (void *hdr, ssize_t hdrlen, void *buf, ssize_t len, void *srcaddr=0, unsigned srcaddrlen=0)
 
ssize_t DoSendBuffer (void *buf, ssize_t len)
 
ssize_t DoSendBufferHdr (void *hdr, ssize_t hdrlen, void *buf, ssize_t len, void *tgtaddr=0, unsigned tgtaddrlen=0)
 
bool IsDeleteWorkerOnClose () const
 
virtual void OnSocketError (int msg, const std::string &info)
 Generic error handler. More...
 
void SetDeleteWorkerOnClose (bool on=true)
 
void SetDoingInput (bool on=true)
 Call method to indicate that object wants to read data from the socket. More...
 
void SetDoingOutput (bool on=true)
 Call method to indicate that worker wants to write data to the socket. More...
 
- Protected Member Functions inherited from dabc::WorkerAddon
bool ActivateTimeout (double tmout_sec)
 
void DeleteAddonItself ()
 This is possibility to delete addon itself, invoking worker command. More...
 
void DeleteWorker ()
 This is way to delete worker with addon inclusive. More...
 
void FireWorkerEvent (unsigned evid)
 
virtual long Notify (const std::string &, int)
 Light-weight command interface, which can be used from worker. More...
 
virtual void OnThreadAssigned ()
 
virtual double ProcessTimeout (double last_diff)
 
void SubmitWorkerCmd (Command cmd)
 
- Protected Member Functions inherited from dabc::Object
virtual void _ChildsChanged ()
 Method called when new childs are add or old are removed. More...
 
virtual bool _DoDeleteItself ()
 This method is called at the moment when DecReference think that object can be destroyed and wants to return true. More...
 
bool _IsNormalState ()
 Same as IsNormalState() but without mutex lock - user should lock mutex himself. More...
 
virtual ObjectCreateInstance (const std::string &name)
 Method used to create new item to be placed as child of the object. More...
 
void DeleteThis ()
 Method should be used by the object to delete itself. More...
 
virtual bool DestroyByOwnThread ()
 Internal DABC method, used to activate object cleanup via object thread Returns: false - object cannot be cleanup by the thread, true - thread guarantees that DestroyCalledFromOwnThread() will be called from thread context. More...
 
bool DestroyCalledFromOwnThread ()
 Internal DABC method, should be called by thread which was requested to destroy object. More...
 
void FillFullName (std::string &fullname, Object *upto, bool exclude_top_parent=false) const
 Method used to produce full item name,. More...
 
bool GetFlag (unsigned fl) const
 Return value of selected flag, not thread safe
More...
 
bool IsNormalState ()
 Return true if object is in normal state. More...
 
unsigned NumReferences ()
 Return number of references on the object. More...
 
 Object (const ConstructorPair &pair, unsigned flags=flIsOwner)
 
virtual void ObjectDestroyed (Object *)
 Method called by the manager when registered dependent object is destroyed Should be used in user class to clear all references on the object to let destroy it. More...
 
MutexObjectMutex () const
 Returns mutex, used for protection of Object data members. More...
 
void SetAutoDestroy (bool on=true)
 Set autodestroy flag for the object Once enabled, object will be destroyed when last reference will be cleared. More...
 
void SetFlag (unsigned fl, bool on=true)
 Change value of selected flag, not thread safe
More...
 
void SetName (const char *name)
 Changes object name. More...
 
void SetNameDirect (const char *name)
 Changes object name disregard of existing references. More...
 
void SetOwner (bool on=true)
 Specifies if object will be owner of its new childs. More...
 

Protected Attributes

struct sockaddr_storage ai_addr
 
socklen_t ai_addrlen {0}
 
int ai_family {0}
 
int ai_protocol {0}
 
int ai_socktype {0}
 
int fAcceptErrors {0}
 
std::string fServerHostName
 
int fServerPortNumber {0}
 
- Protected Attributes inherited from dabc::SocketConnectAddon
std::string fConnId
 
WorkerRef fConnRcv
 
- Protected Attributes inherited from dabc::SocketAddon
bool fDeleteWorkerOnClose
 if true, worker will be deleted when socket closed or socket in error More...
 
bool fDeliverEventsToWorker
 if true, completion events will be delivered to the worker More...
 
bool fDoingInput
 true if input data are expected More...
 
bool fDoingOutput
 true if data need to be send More...
 
int fIOPriority
 priority of socket I/O events, default 1 More...
 
int fSocket
 socket handle More...
 
- Protected Attributes inherited from dabc::WorkerAddon
Reference fWorker
 
- Protected Attributes inherited from dabc::Object
int fObjectBlock
 counter for blocking calls, as long as non-zero, non of child can be removed More...
 
ReferencesVectorfObjectChilds
 list of the child objects More...
 
unsigned fObjectFlags
 flag, protected by the mutex More...
 
MutexfObjectMutex
 mutex protects all private property of the object More...
 
std::string fObjectName
 object name More...
 
Reference fObjectParent
 reference on the parent object More...
 
int fObjectRefCnt
 accounts how many references existing on the object, thread safe More...
 

Additional Inherited Members

- Public Types inherited from dabc::SocketAddon
enum  ESocketEvents {
  evntSocketRead = Worker::evntFirstAddOn , evntSocketWrite , evntSocketError , evntSocketStartConnect ,
  evntSocketLast , evntSocketRecvInfo = Worker::evntFirstSystem , evntSocketSendInfo , evntSocketErrorInfo ,
  evntSocketCloseInfo , evntSocketLastInfo
}
 
- Static Public Member Functions inherited from dabc::Object
static void Destroy (Object *obj) throw ()
 User method for object destroyment. More...
 
static void InspectGarbageCollector ()
 \ brief Methods to inspect how many objects pointers are remained More...
 
static bool NameMatch (const std::string &name, const std::string &mask)
 Check if name matches to specified mask. More...
 
static bool NameMatchM (const std::string &name, const std::string &mask)
 Check if name matches to specified mask. More...
 
static unsigned NumInstances ()
 Static variable counts total number of objects instances. More...
 
- Protected Types inherited from dabc::Object
enum  EFlags {
  flStateMask = 0x000f , flIsOwner = 0x0010 , flCleanup = 0x0020 , flHasThread = 0x0040 ,
  flAutoDestroy = 0x0080 , flLogging = 0x0100 , flNoMutex = 0x0200 , flHidden = 0x0400 ,
  flChildsHidden = 0x0800 , flTopXmlLevel = 0x1000
}
 
- Static Protected Member Functions inherited from dabc::Object
static ConstructorPair MakePair (const std::string &fullname, bool withmanager=true)
 Internal DABC method, used to produce pair - object parent and object name, which is typically should be used as argument in class constructor. More...
 
static ConstructorPair MakePair (Object *prnt, const std::string &fullname, bool withmanager=true)
 Internal DABC method, used to produce pair - object parent and object name, which is typically should be used as argument in class constructor. More...
 
static ConstructorPair MakePair (Reference prnt, const std::string &fullname, bool withmanager=true)
 Internal DABC method, used to produce pair - object parent and object name, which is typically should be used as argument in class constructor. More...
 

Detailed Description

Socket addon for handling connection requests on server side.

this object establish server socket, which waits for new connection of course, we do not want to block complete thread for such task :-)

Definition at line 285 of file SocketThread.h.

Constructor & Destructor Documentation

◆ SocketServerAddon()

dabc::SocketServerAddon::SocketServerAddon ( int  serversocket,
const char *  hostname = nullptr,
int  portnum = -1,
struct addrinfo *  info = nullptr 
)

Definition at line 767 of file SocketThread.cxx.

◆ ~SocketServerAddon()

virtual dabc::SocketServerAddon::~SocketServerAddon ( )
inlinevirtual

Definition at line 302 of file SocketThread.h.

Member Function Documentation

◆ OnClientConnected()

void dabc::SocketServerAddon::OnClientConnected ( int  fd)
protectedvirtual

Definition at line 836 of file SocketThread.cxx.

◆ RecreateSocket()

bool dabc::SocketServerAddon::RecreateSocket ( )
protected

Definition at line 854 of file SocketThread.cxx.

◆ ProcessEvent()

void dabc::SocketServerAddon::ProcessEvent ( const EventId evnt)
virtual

Reimplemented from dabc::SocketAddon.

Definition at line 789 of file SocketThread.cxx.

◆ ServerHostName()

std::string dabc::SocketServerAddon::ServerHostName ( )
inline

Definition at line 306 of file SocketThread.h.

◆ ServerPortNumber()

int dabc::SocketServerAddon::ServerPortNumber ( ) const
inline

Definition at line 307 of file SocketThread.h.

◆ ServerId()

std::string dabc::SocketServerAddon::ServerId ( )
inline

Definition at line 308 of file SocketThread.h.

◆ ClassName()

virtual const char* dabc::SocketServerAddon::ClassName ( ) const
inlinevirtual

Returns class name of the object instance.

In some cases class name used to correctly locate object in xml file

Reimplemented from dabc::SocketConnectAddon.

Definition at line 310 of file SocketThread.h.

Field Documentation

◆ fServerHostName

std::string dabc::SocketServerAddon::fServerHostName
protected

Definition at line 287 of file SocketThread.h.

◆ fServerPortNumber

int dabc::SocketServerAddon::fServerPortNumber {0}
protected

Definition at line 288 of file SocketThread.h.

◆ fAcceptErrors

int dabc::SocketServerAddon::fAcceptErrors {0}
protected

Definition at line 289 of file SocketThread.h.

◆ ai_family

int dabc::SocketServerAddon::ai_family {0}
protected

Definition at line 290 of file SocketThread.h.

◆ ai_socktype

int dabc::SocketServerAddon::ai_socktype {0}
protected

Definition at line 291 of file SocketThread.h.

◆ ai_protocol

int dabc::SocketServerAddon::ai_protocol {0}
protected

Definition at line 292 of file SocketThread.h.

◆ ai_addrlen

socklen_t dabc::SocketServerAddon::ai_addrlen {0}
protected

Definition at line 293 of file SocketThread.h.

◆ ai_addr

struct sockaddr_storage dabc::SocketServerAddon::ai_addr
protected

Definition at line 293 of file SocketThread.h.


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