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Diffstat (limited to 'ace/CLASSIX/CLASSIX_Select_Reactor.h')
| -rw-r--r-- | ace/CLASSIX/CLASSIX_Select_Reactor.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/ace/CLASSIX/CLASSIX_Select_Reactor.h b/ace/CLASSIX/CLASSIX_Select_Reactor.h deleted file mode 100644 index baf37704c04..00000000000 --- a/ace/CLASSIX/CLASSIX_Select_Reactor.h +++ /dev/null @@ -1,207 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -/* -// ============================================================================ -// -// = LIBRARY -// ACE -// -// = FILENAME -// CLASSIX_Reactor.h -// -// = AUTHOR(S) -// Nokia Telecommunications -// -// ============================================================================ -*/ - -#ifndef ACE_CLASSIX_REACTOR_H -#define ACE_CLASSIX_REACTOR_H - -/* ------------------------------------------------------------------------- */ -#include "ace/Timer_Queue.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -# pragma once -#endif /* ACE_LACKS_PRAGMA_ONCE */ - -#include "ace/Select_Reactor.h" -#include "ace/Message_Block.h" -#include "ace/CLASSIX/CLASSIX_SAP.h" - -class ACE_CLASSIX_Select_Reactor; - -class ACE_Export ACE_CLASSIX_Select_Reactor_Notify : - public ACE_Reactor_Notify -{ - // = TITLE - // Unblock the <ACE_CLASSIX_Select_Reactor> from its event loop. - // - // = DESCRIPTION - // This replaces <ACE_Select_Reactor_Notify> class. - // Instead of using pipe, this class uses an Chorus IPC port to - // trigger the unblock event. - // -public: - // = Initialization and termination methods. - ACE_CLASSIX_Select_Reactor_Notify(void); - ~ACE_CLASSIX_Select_Reactor_Notify(void); - - virtual int open (ACE_Reactor_Impl *, - ACE_Timer_Queue * = 0, - int = 0 /* dusable_notify_pip */); - // Enables the notification port and register it with the reactor - virtual int close (void); - // Disables the notification port - - int dispatch_notifications (int &number_of_active_handles, - const ACE_Handle_Set &rd_mask); - // Handles pending threads (if any) that are waiting to unblock the - // Select_Reactor. - - ssize_t notify (ACE_Event_Handler * = 0, - ACE_Reactor_Mask = ACE_Event_Handler::EXCEPT_MASK, - ACE_Time_Value * = 0); - // Called by a thread when it wants to unblock the Select_Reactor. - // This wakeups the <ACE_Select_Reactor> if currently blocked in - // select()/poll(). Pass over both the <Event_Handler> *and* the - // <mask> to allow the caller to dictate which <Event_Handler> - // method the <Select_Reactor> will invoke. The <ACE_Time_Value> - // indicates how long to blocking trying to notify the - // <Select_Reactor>. If <timeout> == 0, the caller will block until - // action is possible, else will wait until the relative time - // specified in *<timeout> elapses). - - virtual int handle_input (ACE_HANDLE handle); - // Called back by the Select_Reactor when a thread wants to unblock us. - - virtual void max_notify_iterations (int); - // Set the maximum number of times that the - // <ACE_CLASSIX_Reactor_Notify::handle_input> method will iterate - // Always 1. - - virtual int max_notify_iterations (void); - // Get the maximum number of times that the - // <ACE_Select_Reactor_Notify::handle_input> method will iterate. - // Always 1 - - void dump (void) const; - // Dump the state of an object. - - ACE_ALLOC_HOOK_DECLARE; - // Declare the dynamic allocation hooks. - -private: - ACE_CLASSIX_Select_Reactor *select_reactor_; - // Keep a back pointer to the <ACE_Select_Reactor>. If this value - // if NULL then the <ACE_Select_Reactor> has been initialized with - // <disable_notify_pipe>. - ACE_CLASSIX_Port_Core notification_port_; // CLASSIX' IPC port - ACE_CLASSIX_SAP notification_sap_; - // The HANDLE that the Select_Reactor is listening on and - // the HANDLE that threads wanting the attention of the - // Select_Reactor will write t are the same. - // It can be seen that the notification port is implicitly connected to the - // port from where the notification is written. In many cases, it will be - // the actor's default port. -}; - -class ACE_CLASSIX_Select_Reactor : public ACE_Select_Reactor - // = TITLE - // Implementing a Reactor for monitoring incoming data - // - // = DESCRIPTION - // This class redefines the wait_for_events() method of - // <ACE_Select_Reactor> class. - // - // The wait_for_events() method uses ipcReceive() to monitor - // all ENABLED ports for incoming messages. The ipcReceive() is - // set up such that it will find out the size of the message but will - // not read the message. The Chorus OS provides an ipcGetData() - // to read the message that has just been detected on the same - // thread. - // Once a message is detected on a particular - // port, the reactor will invoke the port handler's - // handle_input() method on the same thread. It is important that - // handle_input() shall immediately retrieve(use ipcGetData()) - // the message on the same - // thread and it shall not hold up this thread in the handle_input() - // routine for too long. This will allow the Reactor to respond to - // events more quickly. - // - // = NOTE - // Since chorus does not allow ipcReceive to monitor a subset of - // ENABLED ports. One cannot have two ACE_CLASSIX_Select_Reactors - // in one actor. - // -{ - public: - - - // = CURRENT MESSAGE - // The following message should be called in the handler's - // handle_input() routine. - // The handle_input() routine should not hold the reactor for too long. - virtual int current_info(ACE_HANDLE /* port */, - size_t& /* msg size */); - // Retruns the current messageage to the caleer if the supplied - // handle id is the same as the <current_handle_> - // Returns 0, if <msg size> constains the size of the message - // that the handler shall read. - // Returns -1, if the caller is not the expected handler. - - protected: - // = INITIALIZATION - ACE_CLASSIX_Select_Reactor (ACE_Timer_Queue * = 0); - // Initializes <ACE_CLASSIX_Select__Reactor> with the handler - // repository of the default size. - - ACE_CLASSIX_Select_Reactor (size_t size, - int restart = 0, - ACE_Timer_Queue * = 0); - // Initializes <ACE_CLASSIX_Select_Reactor> with the handler repository of - // size <size>. - - // multiplexer - virtual int wait_for_multiple_events (ACE_Select_Reactor_Handle_Set &, - ACE_Time_Value *); - // Wait for events to occur. - - virtual int set_current_info_(ACE_HANDLE /* handle */, - size_t /* size of data */); - // record the handler and the size of the message that the handler shall - // read next. - - - // ACE_Recursive_Thread_Mutex lock_current_; - // lock for data relating to the current message. - // use token lock - - size_t current_msg_size_; - // size of the message that has just been detected. - - ACE_HANDLE current_handle_; - // handler id of the current address. - - friend class ACE_CLASSIX_Select_Reactor_Notify; - friend class ACE_CLASSIX_OS; - // for constructors - - private: - int handle_error_(int /* port handle */); - // Takes corrective action when errors occur. - int check_handles_(int /* port handle */); - // Makes sure the handler is valid. - - ACE_CLASSIX_Select_Reactor(ACE_CLASSIX_Select_Reactor const&); - ACE_CLASSIX_Select_Reactor const& operator=(ACE_CLASSIX_Select_Reactor const&); -}; - -/* ------------------------------------------------------------------------- */ - -#if defined (__ACE_INLINE__) -#include "ace/CLASSIX/CLASSIX_Select_Reactor.i" -#endif /* __ACE_INLINE__ */ - -#endif /* ACE_CLASSIX_REACTOR_H */ |