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require 'thread'
module Typhoeus
# The easy pool stores already initialized
# easy handles for future use. This is useful
# because creating them is expensive.
#
# @api private
module Pool
@mutex = Mutex.new
@pid = Process.pid
# Releases easy into the pool. The easy handle is
# reset before it gets back in.
#
# @example Release easy.
# Typhoeus::Pool.release(easy)
def self.release(easy)
easy.cookielist = "flush" # dump all known cookies to 'cookiejar'
easy.cookielist = "all" # remove all cookies from memory for this handle
easy.reset
@mutex.synchronize { easies << easy }
end
# Return an easy from the pool.
#
# @example Return easy.
# Typhoeus::Pool.get
#
# @return [ Ethon::Easy ] The easy.
def self.get
@mutex.synchronize do
if @pid == Process.pid
easies.pop
else
# Process has forked. Clear all easies to avoid sockets being
# shared between processes.
@pid = Process.pid
easies.clear
nil
end
end || Ethon::Easy.new
end
# Clear the pool
def self.clear
@mutex.synchronize { easies.clear }
end
# Use yielded easy, will be released automatically afterwards.
#
# @example Use easy.
# Typhoeus::Pool.with_easy do |easy|
# # use easy
# end
def self.with_easy(&block)
easy = get
yield easy
ensure
release(easy) if easy
end
private
def self.easies
@easies ||= []
end
end
end
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