OW32::CIoTimeoutManager Class Reference

An I/O timeout manager. More...

#include <IoTimeoutManager.h>

Inheritance diagram for OW32::CIoTimeoutManager:

List of all members.

Public Member Functions
	CIoTimeoutManager ()
	Do nothing c'tor.
virtual	~CIoTimeoutManager ()
	Virtual d'tor as this is a base class.
virtual bool	addTimeout (CIoTimeoutCallback *pCallback, LPVOID key, __int64 after, bool *fUpdated=NULL)=0
	Add a timeout.
virtual bool	updateTimeout (CIoTimeoutCallback *pCallback, LPVOID key, __int64 after, bool *fUpdated=NULL)=0
	Update a previously added timeout.
virtual bool	removeTimeout (LPVOID key)=0
	Remove a previously added timeout.
virtual void	drainTimeouts (CIoTimeoutDrainCallback *pCallback)=0
	Drain timeouts, potentially using a predicate function.
virtual bool	shutdown ()=0
	Shutdown the timeout manager.

---

Detailed Description

An I/O timeout manager.

---

Member Function Documentation

virtual bool OW32::CIoTimeoutManager::addTimeout (  CIoTimeoutCallback *  pCallback, LPVOID  key, __int64  after, bool *  fUpdated = NULL )  [pure virtual]

Add a timeout. The timeout object must implement #CIoTimeoutCallback, and the onTimeout function will be called after the specified time. If the key exists, the timeout for the existing object will be updated to expire after the given interval. Parameters: pCallback  The callback function key  Key for passing to the callback function and for use during removeTimeout. after  The timeout, in 100ns units. fUpdated  Output - true if the timeout was updated, false otherwise. Returns: true if successful, false if not. GetLastError returns the error code in the failure case. Implemented in OW32::CIOCPIoTimeoutManager.

virtual void OW32::CIoTimeoutManager::drainTimeouts (  CIoTimeoutDrainCallback *  pCallback  )  [pure virtual]

Drain timeouts, potentially using a predicate function. This function can be used to clear the timeout queue before shutdown if necessary. It is also possible to conditionally drain timeouts. Timeouts are removed if the predicate function returns true. Parameters: pCallback  An object implementing the predicate function interface Implemented in OW32::CIOCPIoTimeoutManager.

virtual bool OW32::CIoTimeoutManager::removeTimeout (  LPVOID  key  )  [pure virtual]

Remove a previously added timeout. Parameters: key  The key passed to addTimeout() Returns: true if the timeout was removed, false if it could not be found (already triggered or removed) Implemented in OW32::CIOCPIoTimeoutManager.

virtual bool OW32::CIoTimeoutManager::shutdown (   )  [pure virtual]

Shutdown the timeout manager. Returns: true for success, false for failure (see GetLastError) Implemented in OW32::CIOCPIoTimeoutManager.

virtual bool OW32::CIoTimeoutManager::updateTimeout (  CIoTimeoutCallback *  pCallback, LPVOID  key, __int64  after, bool *  fUpdated = NULL )  [pure virtual]

Update a previously added timeout. Parameters: pCallback  The new callback function key  The existing key after  The new time to expire after fUpdated  Optional output - true if the timeout was updated, false otherwise. Returns: true if successful, false if not. GetLastError returns the error code in the failure case. Implemented in OW32::CIOCPIoTimeoutManager.

---

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

• IoTimeoutManager.h

---