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Eddie Kohler edited this page Oct 17, 2017 · 4 revisions

FrontDropQueue Element Documentation

NAME

FrontDropQueue — Click element; stores packets in drop-from-front FIFO queue

SYNOPSIS

FrontDropQueue
FrontDropQueue(CAPACITY)

Ports: 1 input, 1-2 outputs

DESCRIPTION

Stores incoming packets in a first-in-first-out queue. Drops the head packet before inserting the incoming packet if the queue already holds CAPACITY packets. The default for CAPACITY is 1000.

ELEMENT HANDLERS

  • length (read-only) — Returns the current number of packets in the queue.

highwater_length (read-only)

Returns the maximum number of packets that have ever been in the queue at once.
  • capacity (read/write) — Returns or sets the queue's capacity.
  • drops (read-only) — Returns the number of packets dropped by the Queue so far. Dropped packets are emitted on output 1 if output 1 exists.

reset_counts (write-only)

When written, resets the <code>drops</code> and <code>highwater&#95;length</code> counters.
  • reset (write-only) — When written, drops all packets in the Queue.

SEE ALSO

Queue, SimpleQueue, MixedQueue, RED

Generated by click-elem2man from ../elements/standard/frontdropqueue.hh:6 on 2017/10/17.

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