#include <Timer_Wheel_T.h>
Inheritance diagram for ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >:
Public Types | |
typedef ACE_Timer_Wheel_T< TYPE, FUNCTOR, ACE_LOCK > | Wheel |
typedef ACE_Timer_Node_T< TYPE > | Node |
Public Member Functions | |
ACE_Timer_Wheel_Iterator_T (Wheel &) | |
Constructor. | |
~ACE_Timer_Wheel_Iterator_T (void) | |
Destructor. | |
virtual void | first (void) |
Positions the iterator at the earliest node in the Timer Queue. | |
virtual void | next (void) |
Positions the iterator at the next node in the Timer Queue. | |
virtual bool | isdone (void) const |
Returns true when there are no more nodes in the sequence. | |
virtual ACE_Timer_Node_T< TYPE > * | item (void) |
Returns the node at the current position in the sequence. | |
Protected Attributes | |
Wheel & | timer_wheel_ |
Pointer to the ACE_Timer_List that we are iterating over. | |
u_int | spoke_ |
Current position in the timing wheel. | |
ACE_Timer_Node_T< TYPE > * | current_node_ |
Pointer to the position in the the <pos_>th list. | |
Private Member Functions | |
void | goto_next (u_int start_spoke) |
Helper class for common functionality of next() and first(). |
This is a generic iterator that can be used to visit every node of a timer queue. Be aware that it doesn't traverse in the order of timeout values.
Definition at line 39 of file Timer_Wheel_T.h.
typedef ACE_Timer_Node_T<TYPE> ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::Node |
Definition at line 44 of file Timer_Wheel_T.h.
typedef ACE_Timer_Wheel_T<TYPE, FUNCTOR, ACE_LOCK> ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::Wheel |
Definition at line 43 of file Timer_Wheel_T.h.
ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::ACE_Timer_Wheel_Iterator_T | ( | Wheel & | wheel | ) |
Constructor.
Just initializes the iterator with a ACE_Timer_Wheel_T and then calls first() to initialize the rest of itself.
wheel | A reference for a timer queue to iterate over |
Definition at line 874 of file Timer_Wheel_T.cpp.
00875 : timer_wheel_ (wheel) 00876 { 00877 this->first(); 00878 }
ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::~ACE_Timer_Wheel_Iterator_T | ( | void | ) |
Destructor.
Destructor, at this level does nothing.
Definition at line 887 of file Timer_Wheel_T.cpp.
void ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::first | ( | void | ) | [virtual] |
Positions the iterator at the earliest node in the Timer Queue.
Positions the iterator at the first position in the timing wheel that contains something. spoke_ will be set to the spoke position of this entry and current_node_ will point to the first entry in that spoke.
If the wheel is empty, spoke_ will be equal timer_wheel_.spoke_count_ and current_node_ would be 0.
Implements ACE_Timer_Queue_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >.
Definition at line 901 of file Timer_Wheel_T.cpp.
Referenced by ACE_Timer_Wheel_T< TYPE, FUNCTOR, ACE_LOCK >::iter().
00902 { 00903 this->goto_next(0); 00904 }
void ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::goto_next | ( | u_int | start_spoke | ) | [private] |
Helper class for common functionality of next() and first().
Definition at line 926 of file Timer_Wheel_T.cpp.
References ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::current_node_, ACE_Timer_Node_T< TYPE >::get_next(), ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::spoke_, ACE_Timer_Wheel_T< TYPE, FUNCTOR, ACE_LOCK >::spoke_count_, and ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::timer_wheel_.
Referenced by ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::next().
00927 { 00928 // Find the first non-empty entry. 00929 u_int sc = this->timer_wheel_.spoke_count_; 00930 for (u_int i = start_spoke; i < sc; ++i) 00931 { 00932 ACE_Timer_Node_T<TYPE>* root = this->timer_wheel_.spokes_[i]; 00933 ACE_Timer_Node_T<TYPE>* n = root->get_next (); 00934 if (n != root) 00935 { 00936 this->spoke_ = i; 00937 this->current_node_ = n; 00938 return; 00939 } 00940 } 00941 // empty 00942 this->spoke_ = sc; 00943 this->current_node_ = 0; 00944 }
bool ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::isdone | ( | void | ) | const [virtual] |
Returns true when there are no more nodes in the sequence.
Implements ACE_Timer_Queue_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >.
Definition at line 950 of file Timer_Wheel_T.cpp.
References ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::current_node_.
00951 { 00952 return this->current_node_ == 0; 00953 }
ACE_Timer_Node_T< TYPE > * ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::item | ( | void | ) | [virtual] |
Returns the node at the current position in the sequence.
Implements ACE_Timer_Queue_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >.
Definition at line 960 of file Timer_Wheel_T.cpp.
References ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::current_node_.
00961 { 00962 return this->current_node_; 00963 }
void ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::next | ( | void | ) | [virtual] |
Positions the iterator at the next node in the Timer Queue.
Positions the iterator at the next node.
Implements ACE_Timer_Queue_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >.
Definition at line 911 of file Timer_Wheel_T.cpp.
References ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::current_node_, ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::goto_next(), ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::spoke_, ACE_Timer_Wheel_T< TYPE, FUNCTOR, ACE_LOCK >::spokes_, and ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::timer_wheel_.
00912 { 00913 if (this->isdone()) 00914 return; 00915 00916 ACE_Timer_Node_T<TYPE>* n = this->current_node_->get_next (); 00917 ACE_Timer_Node_T<TYPE>* root = this->timer_wheel_.spokes_[this->spoke_]; 00918 if (n == root) 00919 this->goto_next (this->spoke_ + 1); 00920 else 00921 this->current_node_ = n; 00922 }
ACE_Timer_Node_T<TYPE>* ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::current_node_ [protected] |
Pointer to the position in the the <pos_>th list.
Definition at line 72 of file Timer_Wheel_T.h.
Referenced by ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::goto_next(), ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::isdone(), ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::item(), and ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::next().
u_int ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::spoke_ [protected] |
Current position in the timing wheel.
Definition at line 69 of file Timer_Wheel_T.h.
Referenced by ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::goto_next(), and ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::next().
Wheel& ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::timer_wheel_ [protected] |
Pointer to the ACE_Timer_List that we are iterating over.
Definition at line 66 of file Timer_Wheel_T.h.
Referenced by ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::goto_next(), and ACE_Timer_Wheel_Iterator_T< TYPE, FUNCTOR, ACE_LOCK >::next().