ACE_Oneshot_Acceptor< SVC_HANDLER, > Class Template Reference

Generic factory for passively connecting clients and creating exactly one service handler (SVC_HANDLER). More...

#include <Acceptor.h>

Inheritance diagram for ACE_Oneshot_Acceptor< SVC_HANDLER, >:

Inheritance graph
[legend]
Collaboration diagram for ACE_Oneshot_Acceptor< SVC_HANDLER, >:

Collaboration graph
[legend]
List of all members.

Public Types

typedef ACE_PEER_ACCEPTOR_ADDR addr_type
typedef ACE_PEER_ACCEPTOR acceptor_type
typedef SVC_HANDLER handler_type
typedef SVC_HANDLER::stream_type stream_type

Public Member Functions

 ACE_Oneshot_Acceptor (void)
 Constructor.

 ACE_Oneshot_Acceptor (const ACE_PEER_ACCEPTOR_ADDR &local_addr, ACE_Reactor *reactor=ACE_Reactor::instance(), ACE_Concurrency_Strategy< SVC_HANDLER > *=0)
int open (const ACE_PEER_ACCEPTOR_ADDR &, ACE_Reactor *reactor=ACE_Reactor::instance(), ACE_Concurrency_Strategy< SVC_HANDLER > *=0)
virtual ~ACE_Oneshot_Acceptor (void)
 Close down the {Oneshot_Acceptor}.

virtual int accept (SVC_HANDLER *=0, ACE_PEER_ACCEPTOR_ADDR *remote_addr=0, const ACE_Synch_Options &synch_options=ACE_Synch_Options::defaults, int restart=1, int reset_new_handle=0)
virtual int cancel (void)
 Cancel a oneshot acceptor that was started asynchronously.

virtual operator ACE_PEER_ACCEPTOR & () const
 Return the underlying {PEER_ACCEPTOR} object.

virtual ACE_PEER_ACCEPTOR & acceptor (void) const
 Return the underlying {PEER_ACCEPTOR} object.

virtual int close (void)
 Close down the {Oneshot_Acceptor}.

void dump (void) const
 Dump the state of an object.


Public Attributes

 ACE_ALLOC_HOOK_DECLARE
 Declare the dynamic allocation hooks.


Protected Member Functions

virtual int activate_svc_handler (SVC_HANDLER *svc_handler)
int shared_accept (SVC_HANDLER *svc_handler, ACE_PEER_ACCEPTOR_ADDR *remote_addr, ACE_Time_Value *timeout, int restart, int reset_new_handle)
virtual ACE_HANDLE get_handle (void) const
 Returns the listening acceptor's {ACE_HANDLE}.

virtual int handle_close (ACE_HANDLE=ACE_INVALID_HANDLE, ACE_Reactor_Mask=ACE_Event_Handler::ALL_EVENTS_MASK)
virtual int handle_input (ACE_HANDLE)
virtual int handle_timeout (const ACE_Time_Value &tv, const void *arg)
 Called when an acceptor times out...

virtual int init (int argc, ACE_TCHAR *argv[])
virtual int fini (void)
virtual int info (ACE_TCHAR **, size_t) const
 Default version returns address info in {buf}.

virtual int suspend (void)
virtual int resume (void)

Private Member Functions

int register_handler (SVC_HANDLER *svc_handler, const ACE_Synch_Options &options, int restart)

Private Attributes

SVC_HANDLER * svc_handler_
 Hold the svc_handler_ across asynchrony boundaries.

int restart_
 Hold the restart flag across asynchrony boundaries.

ACE_PEER_ACCEPTOR peer_acceptor_
 Factory that establishes connections passively.

ACE_Concurrency_Strategy<
SVC_HANDLER > * 
concurrency_strategy_
 Concurrency strategy for an Acceptor.

int delete_concurrency_strategy_

Detailed Description

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1>
class ACE_Oneshot_Acceptor< SVC_HANDLER, >

Generic factory for passively connecting clients and creating exactly one service handler (SVC_HANDLER).

This class works similarly to the regular {ACE_Acceptor}, with the following differences: 1. This class doesn't automagically register {this} with the {ACE_Reactor} since it expects to have its {accept} method called directly. However, it stashes the {ACE_Reactor} pointer away in case it's needed later to finish accepting a connection asynchronously. 2. The class doesn't need an {ACE_Creation_Strategy} (since the user supplies the SVC_HANDLER) or an {ACE_Accept_Strategy} (since this class only accepts one connection and then removes all traces of itself from the {ACE_Reactor} if it was registered for asynchronous accepts).

Definition at line 521 of file Acceptor.h.


Member Typedef Documentation

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
typedef ACE_PEER_ACCEPTOR ACE_Oneshot_Acceptor< SVC_HANDLER, >::acceptor_type
 

Definition at line 527 of file Acceptor.h.

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
typedef ACE_PEER_ACCEPTOR_ADDR ACE_Oneshot_Acceptor< SVC_HANDLER, >::addr_type
 

Definition at line 526 of file Acceptor.h.

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
typedef SVC_HANDLER ACE_Oneshot_Acceptor< SVC_HANDLER, >::handler_type
 

Definition at line 528 of file Acceptor.h.

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
typedef SVC_HANDLER::stream_type ACE_Oneshot_Acceptor< SVC_HANDLER, >::stream_type
 

Definition at line 529 of file Acceptor.h.


Constructor & Destructor Documentation

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
ACE_Oneshot_Acceptor< SVC_HANDLER, >::ACE_Oneshot_Acceptor void   ) 
 

Constructor.

Definition at line 885 of file Acceptor.cpp.

References ACE_TRACE, and ACE_Event_Handler::reactor().

00886   : delete_concurrency_strategy_ (0)
00887 {
00888   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::ACE_Oneshot_Acceptor");
00889   this->reactor (0);
00890 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
ACE_Oneshot_Acceptor< SVC_HANDLER, >::ACE_Oneshot_Acceptor const ACE_PEER_ACCEPTOR_ADDR &  local_addr,
ACE_Reactor reactor = ACE_Reactor::instance(),
ACE_Concurrency_Strategy< SVC_HANDLER > *  = 0
 

Initialize the appropriate strategies for concurrency and then open the {peer_acceptor} at the designated {local_addr}. Note that unlike the {ACE_Acceptor} and {ACE_Strategy_Acceptor}, this method does NOT register {this} acceptor with the {reactor} at this point -- it just stashes the {reactor} away in case it's needed later.

Definition at line 894 of file Acceptor.cpp.

References ACE_ERROR, ACE_PEER_ACCEPTOR_ADDR, ACE_TEXT, ACE_TRACE, and LM_ERROR.

00897     : delete_concurrency_strategy_ (0)
00898 {
00899   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::ACE_Oneshot_Acceptor");
00900   if (this->open (local_addr, reactor, cs) == -1)
00901     ACE_ERROR ((LM_ERROR,
00902                 ACE_TEXT ("%p\n"),
00903                 ACE_TEXT ("ACE_Oneshot_Acceptor::ACE_Oneshot_Acceptor")));
00904 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
ACE_Oneshot_Acceptor< SVC_HANDLER, >::~ACE_Oneshot_Acceptor void   )  [virtual]
 

Close down the {Oneshot_Acceptor}.

Definition at line 907 of file Acceptor.cpp.

References ACE_TRACE, and ACE_Oneshot_Acceptor< SVC_HANDLER, >::handle_close().

00908 {
00909   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::~ACE_Oneshot_Acceptor");
00910   this->handle_close ();
00911 }


Member Function Documentation

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::accept SVC_HANDLER *  = 0,
ACE_PEER_ACCEPTOR_ADDR *  remote_addr = 0,
const ACE_Synch_Options synch_options = ACE_Synch_Options::defaults,
int  restart = 1,
int  reset_new_handle = 0
[virtual]
 

Create a {SVC_HANDLER}, accept the connection into the {SVC_HANDLER}, and activate the {SVC_HANDLER}.

Definition at line 1065 of file Acceptor.cpp.

References ACE_PEER_ACCEPTOR_ADDR, ACE_TRACE, and EWOULDBLOCK.

01070 {
01071   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::accept");
01072   // Note that if timeout == ACE_Time_Value (x, y) where (x > 0 || y >
01073   // 0) then this->connector_.connect() will block synchronously.  If
01074   // <use_reactor> is set then we don't want this to happen (since we
01075   // want the ACE_Reactor to do the timeout asynchronously).
01076   // Therefore, we'll force this->connector_ to use ACE_Time_Value (0,
01077   // 0) in this case...
01078 
01079   ACE_Time_Value *timeout;
01080   int use_reactor = synch_options[ACE_Synch_Options::USE_REACTOR];
01081 
01082   if (use_reactor)
01083     timeout = (ACE_Time_Value *) &ACE_Time_Value::zero;
01084   else
01085     timeout = (ACE_Time_Value *) synch_options.time_value ();
01086 
01087   if (this->shared_accept (svc_handler, // stream
01088                            remote_addr, // remote address
01089                            timeout, // timeout
01090                            restart, // restart
01091                            reset_new_handle // reset new handler
01092                            ) == -1)
01093     {
01094       if (use_reactor && errno == EWOULDBLOCK)
01095         // We couldn't accept right away, so let's wait in the
01096         // <ACE_Reactor>.
01097         this->register_handler (svc_handler,
01098                                 synch_options,
01099                                 restart);
01100       return -1;
01101     }
01102   return 0;
01103 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
ACE_PEER_ACCEPTOR & ACE_Oneshot_Acceptor< SVC_HANDLER, >::acceptor void   )  const [virtual]
 

Return the underlying {PEER_ACCEPTOR} object.

Definition at line 1211 of file Acceptor.cpp.

References ACE_PEER_ACCEPTOR, and ACE_TRACE.

01212 {
01213   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::acceptor");
01214   return (ACE_PEER_ACCEPTOR &) this->peer_acceptor_;
01215 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::activate_svc_handler SVC_HANDLER *  svc_handler  )  [protected, virtual]
 

Bridge method for activating a {svc_handler} with the appropriate concurrency strategy. Default behavior is to activate the {SVC_HANDLER} as a "passive object." However, subclasses can override this strategy to do more sophisticated concurrency activations (such as creating the {SVC_HANDLER} as an "active object" via multi-threading or multi-processing).

Definition at line 1015 of file Acceptor.cpp.

References ACE_TRACE.

01016 {
01017   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::activate_svc_handler");
01018   return this->concurrency_strategy_->activate_svc_handler
01019     (svc_handler,
01020      (void *) this);
01021 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::cancel void   )  [virtual]
 

Cancel a oneshot acceptor that was started asynchronously.

Definition at line 968 of file Acceptor.cpp.

References ACE_TRACE, ACE_Reactor::cancel_timer(), and ACE_Event_Handler::reactor().

Referenced by ACE_Oneshot_Acceptor< SVC_HANDLER, >::handle_input().

00969 {
00970   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::cancel");
00971   return this->reactor () && this->reactor ()->cancel_timer (this);
00972 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::close void   )  [virtual]
 

Close down the {Oneshot_Acceptor}.

Definition at line 914 of file Acceptor.cpp.

References ACE_TRACE, and ACE_Oneshot_Acceptor< SVC_HANDLER, >::handle_close().

00915 {
00916   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::close");
00917   return this->handle_close ();
00918 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
void ACE_Oneshot_Acceptor< SVC_HANDLER, >::dump void   )  const
 

Dump the state of an object.

Definition at line 844 of file Acceptor.cpp.

References ACE_BEGIN_DUMP, ACE_DEBUG, ACE_END_DUMP, ACE_TEXT, ACE_TRACE, and LM_DEBUG.

00845 {
00846 #if defined (ACE_HAS_DUMP)
00847   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::dump");
00848 
00849   ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
00850   ACE_DEBUG ((LM_DEBUG,  ACE_TEXT ("\nsvc_handler_ = %x"), this->svc_handler_));
00851   ACE_DEBUG ((LM_DEBUG,  ACE_TEXT ("\nrestart_ = %d"), this->restart_));
00852   this->peer_acceptor_.dump ();
00853   ACE_DEBUG ((LM_DEBUG,  ACE_TEXT ("delete_concurrency_strategy_ = %d"),
00854               delete_concurrency_strategy_));
00855   this->concurrency_strategy_->dump ();
00856   ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
00857 #endif /* ACE_HAS_DUMP */
00858 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::fini void   )  [protected, virtual]
 

Default version does no work and returns -1. Must be overloaded by application developer to do anything meaningful.

Reimplemented from ACE_Shared_Object.

Definition at line 1154 of file Acceptor.cpp.

References ACE_TRACE, and ACE_Oneshot_Acceptor< SVC_HANDLER, >::handle_close().

01155 {
01156   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::fini");
01157   return this->handle_close ();
01158 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
ACE_HANDLE ACE_Oneshot_Acceptor< SVC_HANDLER, >::get_handle void   )  const [protected, virtual]
 

Returns the listening acceptor's {ACE_HANDLE}.

Reimplemented from ACE_Event_Handler.

Definition at line 1204 of file Acceptor.cpp.

References ACE_TRACE.

01205 {
01206   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::get_handle");
01207   return this->peer_acceptor_.get_handle ();
01208 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::handle_close ACE_HANDLE  = ACE_INVALID_HANDLE,
ACE_Reactor_Mask  = ACE_Event_Handler::ALL_EVENTS_MASK
[protected, virtual]
 

Perform termination activities when {this} is removed from the {reactor}.

Reimplemented from ACE_Event_Handler.

Definition at line 921 of file Acceptor.cpp.

References ACE_ERROR, ACE_Reactor_Mask, ACE_TEXT, ACE_TRACE, LM_ERROR, ACE_Event_Handler::reactor(), and ACE_Reactor::remove_handler().

Referenced by ACE_Oneshot_Acceptor< SVC_HANDLER, >::close(), ACE_Oneshot_Acceptor< SVC_HANDLER, >::fini(), and ACE_Oneshot_Acceptor< SVC_HANDLER, >::~ACE_Oneshot_Acceptor().

00923 {
00924   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::handle_close");
00925 
00926   // Guard against multiple closes.
00927   if (this->delete_concurrency_strategy_)
00928     {
00929       delete this->concurrency_strategy_;
00930       this->delete_concurrency_strategy_ = 0;
00931       this->concurrency_strategy_ = 0;
00932     }
00933   // Note that if we aren't actually registered with the
00934   // ACE_Reactor then it's ok for this call to fail...
00935 
00936   if (this->reactor ())
00937     this->reactor ()->remove_handler
00938       (this,
00939        ACE_Event_Handler::ACCEPT_MASK | ACE_Event_Handler::DONT_CALL);
00940 
00941   if (this->peer_acceptor_.close () == -1)
00942     ACE_ERROR ((LM_ERROR,
00943                 ACE_TEXT ("close\n")));
00944   return 0;
00945 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::handle_input ACE_HANDLE   )  [protected, virtual]
 

Accept one connection from a client and activates the SVC_HANDLER.

Reimplemented from ACE_Event_Handler.

Definition at line 1109 of file Acceptor.cpp.

References ACE_TRACE, ACE_Oneshot_Acceptor< SVC_HANDLER, >::cancel(), ACE_Event_Handler::reactor(), ACE_Reactor::remove_handler(), ACE_Oneshot_Acceptor< SVC_HANDLER, >::shared_accept(), and ACE_Reactor::uses_event_associations().

01110 {
01111   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::handle_input");
01112   int result = 0;
01113 
01114   // Cancel any timer that might be pending.
01115   this->cancel ();
01116 
01117   // Try to find out if the implementation of the reactor that we are
01118   // using requires us to reset the event association for the newly
01119   // created handle.  This is because the newly created handle will
01120   // inherit the properties of the listen handle, including its event
01121   // associations.
01122   int reset_new_handle = this->reactor ()->uses_event_associations ();
01123 
01124   // There is a use-case whereby this object will be gone upon return
01125   // from shared_accept - if the Svc_Handler deletes this Oneshot_Acceptor
01126   // during the shared_accept/activation steps. So, do whatever we need
01127   // to do with this object before calling shared_accept.
01128   if (this->reactor ())
01129     this->reactor ()->remove_handler
01130       (this,
01131        ACE_Event_Handler::ACCEPT_MASK | ACE_Event_Handler::DONT_CALL);
01132 
01133   if (this->shared_accept (this->svc_handler_, // stream
01134                            0, // remote address
01135                            0, // timeout
01136                            this->restart_, // restart
01137                            reset_new_handle // reset new handle
01138                            ) == -1)
01139     result = -1;
01140 
01141   return result;
01142 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::handle_timeout const ACE_Time_Value tv,
const void *  arg
[protected, virtual]
 

Called when an acceptor times out...

Reimplemented from ACE_Event_Handler.

Definition at line 949 of file Acceptor.cpp.

References ACE_TRACE, and ETIME.

00951 {
00952   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::handle_timeout");
00953   errno = ETIME;
00954 
00955   if (this->svc_handler_->handle_timeout (tv, arg) == -1)
00956     this->svc_handler_->handle_close (this->svc_handler_->get_handle (),
00957                                       ACE_Event_Handler::TIMER_MASK);
00958 
00959   // Since we aren't necessarily registered with the Reactor, don't
00960   // bother to check the return value here...
00961   if (this->reactor ())
00962     this->reactor ()->remove_handler (this,
00963                                       ACE_Event_Handler::ACCEPT_MASK);
00964   return 0;
00965 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::info ACE_TCHAR **  ,
size_t 
const [protected, virtual]
 

Default version returns address info in {buf}.

Reimplemented from ACE_Shared_Object.

Definition at line 1161 of file Acceptor.cpp.

References ACE_PEER_ACCEPTOR_ADDR, ACE_TCHAR, ACE_TEXT, ACE_TRACE, ACE_OS::sprintf(), ACE_OS::strdup(), ACE_OS::strlen(), and ACE_OS::strsncpy().

01163 {
01164   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::info");
01165   ACE_TCHAR buf[BUFSIZ];
01166   ACE_TCHAR addr_str[BUFSIZ];
01167   ACE_PEER_ACCEPTOR_ADDR addr;
01168 
01169   if (this->peer_acceptor_.get_local_addr (addr) == -1)
01170     return -1;
01171   else if (addr.addr_to_string (addr_str, sizeof addr_str) == -1)
01172     return -1;
01173 
01174   ACE_OS::sprintf (buf,
01175                    ACE_TEXT ("%s\t %s %s"),
01176                    ACE_TEXT ("ACE_Oneshot_Acceptor"),
01177                    addr_str,
01178                    ACE_TEXT ("#oneshot acceptor factory\n"));
01179 
01180   if (*strp == 0 && (*strp = ACE_OS::strdup (buf)) == 0)
01181     return -1;
01182   else
01183     ACE_OS::strsncpy (*strp, buf, length);
01184   return static_cast<int> (ACE_OS::strlen (buf));
01185 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::init int  argc,
ACE_TCHAR argv[]
[protected, virtual]
 

Default version does no work and returns -1. Must be overloaded by application developer to do anything meaningful.

Reimplemented from ACE_Shared_Object.

Definition at line 1147 of file Acceptor.cpp.

References ACE_TCHAR, and ACE_TRACE.

01148 {
01149   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::init");
01150   return -1;
01151 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::open const ACE_PEER_ACCEPTOR_ADDR &  ,
ACE_Reactor reactor = ACE_Reactor::instance(),
ACE_Concurrency_Strategy< SVC_HANDLER > *  = 0
 

Initialize the appropriate strategies for concurrency and then open the {peer_acceptor} at the designated {local_addr}. Note that unlike the {ACE_Acceptor} and {ACE_Strategy_Acceptor}, this method does NOT register {this} acceptor with the {reactor} at this point -- it just stashes the {reactor} away in case it's needed later.

Definition at line 862 of file Acceptor.cpp.

References ACE_NEW_RETURN, ACE_PEER_ACCEPTOR_ADDR, ACE_TRACE, and ACE_Strategy_Acceptor< SVC_HANDLER, >::open().

00865 {
00866   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::open");
00867   this->reactor (reactor);
00868 
00869   // Initialize the concurrency strategy.
00870 
00871   if (con_s == 0)
00872     {
00873       ACE_NEW_RETURN (con_s,
00874                       ACE_Concurrency_Strategy<SVC_HANDLER>,
00875                       -1);
00876       this->delete_concurrency_strategy_ = 1;
00877     }
00878   this->concurrency_strategy_ = con_s;
00879 
00880   // Reuse the addr, even if it is already in use...!
00881   return this->peer_acceptor_.open (local_addr, 1);
00882 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
ACE_Oneshot_Acceptor< SVC_HANDLER, >::operator ACE_PEER_ACCEPTOR &  )  const [virtual]
 

Return the underlying {PEER_ACCEPTOR} object.

Definition at line 1218 of file Acceptor.cpp.

References ACE_PEER_ACCEPTOR, and ACE_TRACE.

01219 {
01220   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::operator ACE_PEER_ACCEPTOR &");
01221   return (ACE_PEER_ACCEPTOR &) this->peer_acceptor_;
01222 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::register_handler SVC_HANDLER *  svc_handler,
const ACE_Synch_Options options,
int  restart
[private]
 

Insert ourselves into the {ACE_Reactor} so that we can continue accepting this connection asynchronously. This method should NOT be called by developers directly.

Definition at line 976 of file Acceptor.cpp.

References ACE_TRACE.

00979 {
00980   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::register_handler");
00981   // Can't do this if we don't have a Reactor.
00982   if (this->reactor () == 0)
00983     {
00984       errno = EINVAL;
00985       return -1;
00986     }
00987   else
00988     {
00989       this->svc_handler_ = svc_handler;
00990       this->restart_ = restart;
00991       ACE_Time_Value *tv = (ACE_Time_Value *) synch_options.time_value ();
00992 
00993       if (tv != 0
00994           && this->reactor ()->schedule_timer (this,
00995                                                synch_options.arg (),
00996                                                *tv) == 0)
00997         return -1;
00998       else
00999         return this->reactor ()->register_handler
01000           (this,
01001            ACE_Event_Handler::ACCEPT_MASK);
01002     }
01003 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::resume void   )  [protected, virtual]
 

Default version does no work and returns -1. Must be overloaded by application developer to do anything meaningful.

Reimplemented from ACE_Service_Object.

Definition at line 1195 of file Acceptor.cpp.

References ACE_TRACE, ACE_Event_Handler::reactor(), and ACE_Reactor::resume_handler().

01196 {
01197   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::resume");
01198   return this->reactor () && this->reactor ()->resume_handler (this);
01199 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::shared_accept SVC_HANDLER *  svc_handler,
ACE_PEER_ACCEPTOR_ADDR *  remote_addr,
ACE_Time_Value timeout,
int  restart,
int  reset_new_handle
[protected]
 

Factors out the code shared between the {accept} and {handle_input} methods.

Definition at line 1028 of file Acceptor.cpp.

References ACE_PEER_ACCEPTOR_ADDR, ACE_TRACE, ETIME, and EWOULDBLOCK.

Referenced by ACE_Oneshot_Acceptor< SVC_HANDLER, >::handle_input().

01033 {
01034   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::shared_accept");
01035   if (svc_handler == 0)
01036     return -1;
01037 
01038   // Accept connection into the Svc_Handler.
01039   else if (this->peer_acceptor_.accept (svc_handler->peer (), // stream
01040                                         remote_addr, // remote address
01041                                         timeout, // timeout
01042                                         restart, // restart
01043                                         reset_new_handle // reset new handle
01044                                         ) == -1)
01045     {
01046       // Check whether we just timed out or whether we failed...
01047       if (!(errno == EWOULDBLOCK || errno == ETIME))
01048         // Close down handler to avoid memory leaks.
01049         svc_handler->close (0);
01050       return -1;
01051     }
01052   // Activate the <svc_handler> using the designated concurrency
01053   // strategy (note that this method becomes responsible for handling
01054   // errors and freeing up the memory if things go awry...)
01055   else
01056     return this->activate_svc_handler (svc_handler);
01057 }

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::suspend void   )  [protected, virtual]
 

Default version does no work and returns -1. Must be overloaded by application developer to do anything meaningful.

Reimplemented from ACE_Service_Object.

Definition at line 1188 of file Acceptor.cpp.

References ACE_TRACE, ACE_Event_Handler::reactor(), and ACE_Reactor::suspend_handler().

01189 {
01190   ACE_TRACE ("ACE_Oneshot_Acceptor<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::suspend");
01191   return this->reactor () && this->reactor ()->suspend_handler (this);
01192 }


Member Data Documentation

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
ACE_Oneshot_Acceptor< SVC_HANDLER, >::ACE_ALLOC_HOOK_DECLARE
 

Declare the dynamic allocation hooks.

Definition at line 586 of file Acceptor.h.

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
ACE_Concurrency_Strategy<SVC_HANDLER>* ACE_Oneshot_Acceptor< SVC_HANDLER, >::concurrency_strategy_ [private]
 

Concurrency strategy for an Acceptor.

Definition at line 665 of file Acceptor.h.

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::delete_concurrency_strategy_ [private]
 

1 if Acceptor created the concurrency strategy and thus should delete it, else 0.

Definition at line 669 of file Acceptor.h.

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
ACE_PEER_ACCEPTOR ACE_Oneshot_Acceptor< SVC_HANDLER, >::peer_acceptor_ [private]
 

Factory that establishes connections passively.

Definition at line 662 of file Acceptor.h.

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
int ACE_Oneshot_Acceptor< SVC_HANDLER, >::restart_ [private]
 

Hold the restart flag across asynchrony boundaries.

Definition at line 659 of file Acceptor.h.

template<class SVC_HANDLER, ACE_PEER_ACCEPTOR_1 >
SVC_HANDLER* ACE_Oneshot_Acceptor< SVC_HANDLER, >::svc_handler_ [private]
 

Hold the svc_handler_ across asynchrony boundaries.

Definition at line 656 of file Acceptor.h.


The documentation for this class was generated from the following files:
Generated on Sun Jan 27 12:56:14 2008 for ACE by doxygen 1.3.6