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TAO_UIPMC_Mcast_Connection_Handler Class Reference

Handles requests on a single connection. More...

#include <UIPMC_Mcast_Connection_Handler.h>

Inheritance diagram for TAO_UIPMC_Mcast_Connection_Handler:

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Collaboration diagram for TAO_UIPMC_Mcast_Connection_Handler:

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List of all members.

Public Member Functions

 TAO_UIPMC_Mcast_Connection_Handler (ACE_Thread_Manager *t=0)
 TAO_UIPMC_Mcast_Connection_Handler (TAO_ORB_Core *orb_core)
 ~TAO_UIPMC_Mcast_Connection_Handler (void)
 Destructor.

int close (u_long=0)
int add_transport_to_cache (void)
 Add ourselves to Cache.

const ACE_INET_Addr & addr (void)
void addr (const ACE_INET_Addr &addr)
const ACE_INET_Addr & local_addr (void)
void local_addr (const ACE_INET_Addr &addr)
ssize_t send (const iovec iov[], int n, const ACE_Addr &addr, int flags=0) const
Connection Handler overloads
virtual int open_handler (void *v)
Event Handler overloads
virtual int resume_handler (void)
virtual int close_connection (void)
virtual int handle_input (ACE_HANDLE)
virtual int handle_output (ACE_HANDLE)
virtual int handle_close (ACE_HANDLE, ACE_Reactor_Mask)
virtual int handle_timeout (const ACE_Time_Value &current_time, const void *act=0)
virtual int open (void *)

Protected Member Functions

TAO_Connection Handler overloads
virtual int release_os_resources (void)

Protected Attributes

ACE_INET_Addr addr_
ACE_INET_Addr local_addr_

Detailed Description

Handles requests on a single connection.

Since MIOP is asymmetric then this Connection handler is for only use in the Acceptor.

Definition at line 57 of file UIPMC_Mcast_Connection_Handler.h.

Constructor & Destructor Documentation

TAO_BEGIN_VERSIONED_NAMESPACE_DECL TAO_UIPMC_Mcast_Connection_Handler::TAO_UIPMC_Mcast_Connection_Handler (  ACE_Thread_Manager *  t = 0  ) 
 

Definition at line 28 of file UIPMC_Mcast_Connection_Handler.cpp.

References ACE_ASSERT, and TAO_UIPMC_MCAST_SVC_HANDLER. 

00030   : TAO_UIPMC_MCAST_SVC_HANDLER (t, 0 , 0),
00031     TAO_Connection_Handler (0)
00032 {
00033   // This constructor should *never* get called, it is just here to
00034   // make the compiler happy: the default implementation of the
00035   // Creation_Strategy requires a constructor with that signature, we
00036   // don't use that implementation, but some (most?) compilers
00037   // instantiate it anyway.
00038   ACE_ASSERT (0);
00039 }

TAO_UIPMC_Mcast_Connection_Handler::TAO_UIPMC_Mcast_Connection_Handler (  TAO_ORB_Core *  orb_core  ) 
 

Constructor. parameter is used by the Acceptor to pass the protocol configuration properties for this connection.

Definition at line 41 of file UIPMC_Mcast_Connection_Handler.cpp.

References ACE_NEW, TAO_UIPMC_MCAST_SVC_HANDLER, TAO_Connection_Handler::transport(), and UIPMC_MULTICAST_TRANSPORT. 

00043   : TAO_UIPMC_MCAST_SVC_HANDLER (orb_core->thr_mgr (), 0, 0),
00044     TAO_Connection_Handler (orb_core)
00045 {
00046   UIPMC_MULTICAST_TRANSPORT* specific_transport = 0;
00047   ACE_NEW(specific_transport,
00048           UIPMC_MULTICAST_TRANSPORT (this, orb_core));
00049 
00050   // store this pointer (indirectly increment ref count)
00051   this->transport (specific_transport);
00052 }

TAO_UIPMC_Mcast_Connection_Handler::~TAO_UIPMC_Mcast_Connection_Handler (  void   ) 
 

Destructor.

Definition at line 54 of file UIPMC_Mcast_Connection_Handler.cpp.

References ACE_ERROR, ACE_TEXT, LM_ERROR, release_os_resources(), TAO_debug_level, and TAO_Connection_Handler::transport(). 

00055 {
00056   delete this->transport ();
00057   int const result =
00058     this->release_os_resources ();
00059 
00060   if (result == -1 && TAO_debug_level)
00061     {
00062       ACE_ERROR ((LM_ERROR,
00063                   ACE_TEXT("TAO (%P|%t) - UIPMC_Mcast_Connection_Handler::")
00064                   ACE_TEXT("~UIPMC_Mcast_Connection_Handler, ")
00065                   ACE_TEXT("release_os_resources() failed %m\n")));
00066     }
00067 }

Member Function Documentation

int TAO_UIPMC_Mcast_Connection_Handler::add_transport_to_cache (  void   ) 
 

Add ourselves to Cache.

Definition at line 210 of file UIPMC_Mcast_Connection_Handler.cpp.

References TAO::Transport_Cache_Manager::cache_transport(), TAO_ORB_Core::lane_resources(), TAO_Connection_Handler::orb_core(), and TAO_Thread_Lane_Resources::transport_cache(). 

00211 {
00212   ACE_INET_Addr addr;
00213 
00214   // This function is called by the acceptor to add this
00215   // transport to the transport cache.  This is really
00216   // important for proper shutdown.  The address used
00217   // is irrelevent, since UIPMC is connectionless.
00218 
00219   // Construct a UIPMC_Endpoint object.
00220   TAO_UIPMC_Endpoint endpoint (addr);
00221 
00222   // Construct a property object
00223   TAO_Base_Transport_Property prop (&endpoint);
00224 
00225   // Add the handler to Cache
00226   return this->orb_core ()->lane_resources ()
00227           .transport_cache ().cache_transport (&prop,
00228                                                this->transport ());
00229 }

void TAO_UIPMC_Mcast_Connection_Handler::addr (  const ACE_INET_Addr &  addr  ) 
 

Definition at line 76 of file UIPMC_Mcast_Connection_Handler.cpp. 

00077 {
00078   this->addr_ = addr;
00079 }

const ACE_INET_Addr & TAO_UIPMC_Mcast_Connection_Handler::addr (  void   ) 
 

Definition at line 70 of file UIPMC_Mcast_Connection_Handler.cpp. 

00071 {
00072   return this->addr_;
00073 }

int TAO_UIPMC_Mcast_Connection_Handler::close (  u_long  = 0  )  [virtual]
 

Close called by the Acceptor or Connector when connection establishment fails.

Reimplemented from ACE_Svc_Handler<, >.

Definition at line 198 of file UIPMC_Mcast_Connection_Handler.cpp.

References TAO_Connection_Handler::close_handler().

Referenced by handle_timeout(), and TAO_UIPMC_Acceptor::open_i(). 

00199 {
00200   return this->close_handler ();
00201 }

int TAO_UIPMC_Mcast_Connection_Handler::close_connection (  void   )  [virtual]
 

Implements TAO_Connection_Handler.

Definition at line 136 of file UIPMC_Mcast_Connection_Handler.cpp.

References TAO_Connection_Handler::close_connection_eh().

Referenced by handle_output(). 

00137 {
00138   return this->close_connection_eh (this);
00139 }

int TAO_UIPMC_Mcast_Connection_Handler::handle_close (  ACE_HANDLE  ,
ACE_Reactor_Mask 
)  [virtual]
 

Reimplemented from ACE_Svc_Handler<, >.

Definition at line 186 of file UIPMC_Mcast_Connection_Handler.cpp. 

00188 {
00189   // No asserts here since the handler is registered with the Reactor
00190   // and the handler ownership is given to the Reactor.  When the
00191   // Reactor closes, it will call handle_close() on the handler.  It
00192   // is however important to overwrite handle_close() to do nothing
00193   // since the base class does too much.
00194   return 0;
00195 }

int TAO_UIPMC_Mcast_Connection_Handler::handle_input (  ACE_HANDLE   )  [virtual]
 

Implements TAO_Connection_Handler.

Definition at line 142 of file UIPMC_Mcast_Connection_Handler.cpp.

References TAO_Connection_Handler::handle_input_eh(). 

00143 {
00144   return this->handle_input_eh (h, this);
00145 }

int TAO_UIPMC_Mcast_Connection_Handler::handle_output (  ACE_HANDLE   )  [virtual]
 

Reimplemented from ACE_Event_Handler.

Definition at line 148 of file UIPMC_Mcast_Connection_Handler.cpp.

References close_connection(), and TAO_Connection_Handler::handle_output_eh(). 

00149 {
00150   int result =
00151     this->handle_output_eh (handle, this);
00152 
00153   if (result == -1)
00154     {
00155       this->close_connection ();
00156       return 0;
00157     }
00158 
00159   return result;
00160 }

int TAO_UIPMC_Mcast_Connection_Handler::handle_timeout (  const ACE_Time_Value &  current_time,
const void *  act = 0
)  [virtual]
 

Reimplemented from ACE_Svc_Handler<, >.

Definition at line 163 of file UIPMC_Mcast_Connection_Handler.cpp.

References close(), and TAO_LF_Event::reset_state(). 

00165 {
00166   // Using this to ensure this instance will be deleted (if necessary)
00167   // only after reset_state(). Without this, when this refcount==1 -
00168   // the call to close() will cause a call to remove_reference() which
00169   // will delete this. At that point this->reset_state() is in no
00170   // man's territory and that causes SEGV on some platforms (Windows!)
00171 
00172   TAO_Auto_Reference<TAO_UIPMC_Mcast_Connection_Handler> safeguard (*this);
00173 
00174   // NOTE: Perhaps not the best solution, as it feels like the upper
00175   // layers should be responsible for this?
00176 
00177   // We don't use this upcall for I/O.  This is only used by the
00178   // Connector to indicate that the connection timedout.  Therefore,
00179   // we should call close().
00180   int ret = this->close ();
00181   this->reset_state (TAO_LF_Event::LFS_TIMEOUT);
00182   return ret;
00183 }

void TAO_UIPMC_Mcast_Connection_Handler::local_addr (  const ACE_INET_Addr &  addr  ) 
 

Definition at line 88 of file UIPMC_Mcast_Connection_Handler.cpp. 

00089 {
00090   local_addr_ = addr;
00091 }

const ACE_INET_Addr & TAO_UIPMC_Mcast_Connection_Handler::local_addr (  void   ) 
 

Definition at line 82 of file UIPMC_Mcast_Connection_Handler.cpp.

Referenced by TAO_UIPMC_Acceptor::open_i(). 

00083 {
00084   return local_addr_;
00085 }

int TAO_UIPMC_Mcast_Connection_Handler::open (  void *   )  [virtual]
 

Reimplemented from ACE_Svc_Handler<, >.

Definition at line 110 of file UIPMC_Mcast_Connection_Handler.cpp.

References ACE_DEBUG, ACE_TEXT, ACE_INET_Addr::get_port_number(), TAO_Transport::id(), LM_DEBUG, ACE_Svc_Handler<, >::peer(), TAO_debug_level, and TAO_Connection_Handler::transport().

Referenced by open_handler(), and TAO_UIPMC_Acceptor::open_i(). 

00111 {
00112   this->peer ().join (this->local_addr_);
00113 
00114   if (TAO_debug_level > 5)
00115   {
00116      ACE_DEBUG ((LM_DEBUG,
00117                  ACE_TEXT("TAO (%P|%t) - UIPMC_Mcast_Connection_Handler::open_server, ")
00118                  ACE_TEXT("subcribed to multicast group at %s:%d\n"),
00119                  this->local_addr_.get_host_addr (),
00120                  this->local_addr_.get_port_number ()
00121                ));
00122   }
00123 
00124   this->transport ()->id ((size_t) this->peer ().get_handle ());
00125 
00126   return 0;
00127 }

int TAO_UIPMC_Mcast_Connection_Handler::open_handler (  void *  v  )  [virtual]
 

Implements TAO_Connection_Handler.

Definition at line 104 of file UIPMC_Mcast_Connection_Handler.cpp.

References open(). 

00105 {
00106   return this->open (v);
00107 }

int TAO_UIPMC_Mcast_Connection_Handler::release_os_resources (  void   )  [protected, virtual]
 

Reimplemented from TAO_Connection_Handler.

Definition at line 204 of file UIPMC_Mcast_Connection_Handler.cpp.

References ACE_Svc_Handler<, >::peer().

Referenced by ~TAO_UIPMC_Mcast_Connection_Handler(). 

00205 {
00206   return this->peer ().close ();
00207 }

int TAO_UIPMC_Mcast_Connection_Handler::resume_handler (  void   )  [virtual]
 

Reimplemented from ACE_Event_Handler.

Definition at line 130 of file UIPMC_Mcast_Connection_Handler.cpp. 

00131 {
00132   return ACE_Event_Handler::ACE_APPLICATION_RESUMES_HANDLER;
00133 }

ssize_t TAO_UIPMC_Mcast_Connection_Handler::send (  const iovec  iov[],
int  n,
const ACE_Addr &  addr,
int  flags = 0
)  const
 

This is only to be able to use client and server connection handlers in the same way in transport.

Definition at line 94 of file UIPMC_Mcast_Connection_Handler.cpp.

References ACE_ASSERT. 

00098 {
00099   ACE_ASSERT (0);
00100   return -1;
00101 }

Member Data Documentation

ACE_INET_Addr TAO_UIPMC_Mcast_Connection_Handler::addr_ [protected]
 

Definition at line 121 of file UIPMC_Mcast_Connection_Handler.h.

ACE_INET_Addr TAO_UIPMC_Mcast_Connection_Handler::local_addr_ [protected]
 

Definition at line 124 of file UIPMC_Mcast_Connection_Handler.h.

The documentation for this class was generated from the following files:
Generated on Sun Jan 27 16:24:33 2008 for TAO_PortableGroup by doxygen 1.3.6