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Contents
# -*- encoding: binary -*-
#
# Each Raindrops object is a container that holds several counters.
# It is internally a page-aligned, shared memory area that allows
# atomic increments, decrements, assignments and reads without any
# locking.
#
# rd = Raindrops.new 4
# rd.incr(0, 1) -> 1
# rd.to_ary -> [ 1, 0, 0, 0 ]
#
# Unlike many classes in this package, the core Raindrops class is
# intended to be portable to all reasonably modern *nix systems
# supporting mmap(). Please let us know if you have portability
# issues, patches or pull requests at mailto:raindrops-public@bogomips.org
class Raindrops
# Used to represent the number of +active+ and +queued+ sockets for
# a single listen socket across all threads and processes on a
# machine.
#
# For TCP listeners, only sockets in the TCP_ESTABLISHED state are
# accounted for. For Unix domain listeners, only CONNECTING and
# CONNECTED Unix domain sockets are accounted for.
#
# +active+ connections is the number of accept()-ed but not-yet-closed
# sockets in all threads/processes sharing the given listener.
#
# +queued+ connections is the number of un-accept()-ed sockets in the
# queue of a given listen socket.
#
# These stats are currently only available under \Linux
class ListenStats < Struct.new(:active, :queued)
# the sum of +active+ and +queued+ sockets
def total
active + queued
end
end
autoload :Linux, 'raindrops/linux'
autoload :Struct, 'raindrops/struct'
autoload :Middleware, 'raindrops/middleware'
autoload :Aggregate, 'raindrops/aggregate'
autoload :LastDataRecv, 'raindrops/last_data_recv'
autoload :Watcher, 'raindrops/watcher'
end
require 'raindrops_ext'
Version data entries
8 entries across 8 versions & 2 rubygems