roc::packet::SortedQueue Class Reference

Sorted packet queue. More...

#include <sorted_queue.h>

Inheritance diagram for roc::packet::SortedQueue:

Collaboration diagram for roc::packet::SortedQueue:

Public Member Functions
	SortedQueue (size_t max_size)
	Construct empty queue. More...
virtual ROC_ATTR_NODISCARD status::StatusCode	write (const PacketPtr &packet)
	Add packet to the queue. More...
virtual ROC_ATTR_NODISCARD status::StatusCode	read (PacketPtr &packet)
	Read next packet. More...
size_t	size () const
	Get number of packets in queue. More...
PacketPtr	head () const
	Get first packet in the queue. More...
PacketPtr	tail () const
	Get last packet in the queue. More...
PacketPtr	latest () const
	Get the latest packet that were ever added to the queue. More...

Detailed Description

Sorted packet queue.

Remarks

Packets order is determined by Packet::compare() method.

Definition at line 27 of file sorted_queue.h.

Constructor & Destructor Documentation

SortedQueue()

roc::packet::SortedQueue::SortedQueue ( size_t  max_size )

explicit

Construct empty queue.

Remarks

If max_size is non-zero, it specifies maximum number of packets in queue.

Member Function Documentation

head()

PacketPtr roc::packet::SortedQueue::head

(

)

const

Get first packet in the queue.

Returns

the first packet in the queue or null if there are no packets

Remarks

Returned packet is not removed from the queue.

latest()

PacketPtr roc::packet::SortedQueue::latest

(

)

const

Get the latest packet that were ever added to the queue.

Remarks

Returns null if the queue never has any packets. Otherwise, returns the latest ever added packet, even if that packet is not currently in the queue. Returned packet is not removed from the queue.

read()

virtual ROC_ATTR_NODISCARD status::StatusCode roc::packet::SortedQueue::read ( PacketPtr &  packet )

virtual

Read next packet.

Remarks

Removes returned packet from the queue.

Implements roc::packet::IReader.

size()

size_t roc::packet::SortedQueue::size

(

)

const

Get number of packets in queue.

tail()

PacketPtr roc::packet::SortedQueue::tail

(

)

const

Get last packet in the queue.

Returns

the last packet in the queue or null if there are no packets

Remarks

Returned packet is not removed from the queue.

write()

virtual ROC_ATTR_NODISCARD status::StatusCode roc::packet::SortedQueue::write ( const PacketPtr &  packet )

virtual

Add packet to the queue.

Remarks

• if the maximum queue size is reached, packet is dropped
• if packet is equal to another packet in the queue, it is dropped
• otherwise, packet is inserted into the queue, keeping the queue sorted

Implements roc::packet::IWriter.

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

• roc_packet/sorted_queue.h