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# -*- encoding: binary -*-
require 'test/unit'
require 'tempfile'
require 'raindrops'
require 'socket'
require 'pp'
require "./test/ipv6_enabled"
$stderr.sync = $stdout.sync = true
class TestLinuxIPv6 < Test::Unit::TestCase
include Raindrops::Linux
TEST_ADDR = ENV["TEST_HOST6"] || "::1"
def setup
@to_close = []
end
def teardown
@to_close.each { |io| io.close unless io.closed? }
end
def test_tcp
s = TCPServer.new(TEST_ADDR, 0)
port = s.addr[1]
addr = "[#{TEST_ADDR}]:#{port}"
addrs = [ addr ]
stats = tcp_listener_stats(addrs)
assert_equal 1, stats.size
assert_equal 0, stats[addr].queued
assert_equal 0, stats[addr].active
@to_close << TCPSocket.new(TEST_ADDR, port)
stats = tcp_listener_stats(addrs)
assert_equal 1, stats.size
assert_equal 1, stats[addr].queued
assert_equal 0, stats[addr].active
@to_close << s.accept
stats = tcp_listener_stats(addrs)
assert_equal 1, stats.size
assert_equal 0, stats[addr].queued
assert_equal 1, stats[addr].active
end
def test_tcp_multi
s1 = TCPServer.new(TEST_ADDR, 0)
s2 = TCPServer.new(TEST_ADDR, 0)
port1, port2 = s1.addr[1], s2.addr[1]
addr1, addr2 = "[#{TEST_ADDR}]:#{port1}", "[#{TEST_ADDR}]:#{port2}"
addrs = [ addr1, addr2 ]
stats = tcp_listener_stats(addrs)
assert_equal 2, stats.size
assert_equal 0, stats[addr1].queued
assert_equal 0, stats[addr1].active
assert_equal 0, stats[addr2].queued
assert_equal 0, stats[addr2].active
@to_close << TCPSocket.new(TEST_ADDR, port1)
stats = tcp_listener_stats(addrs)
assert_equal 2, stats.size
assert_equal 1, stats[addr1].queued
assert_equal 0, stats[addr1].active
assert_equal 0, stats[addr2].queued
assert_equal 0, stats[addr2].active
sc1 = s1.accept
stats = tcp_listener_stats(addrs)
assert_equal 2, stats.size
assert_equal 0, stats[addr1].queued
assert_equal 1, stats[addr1].active
assert_equal 0, stats[addr2].queued
assert_equal 0, stats[addr2].active
@to_close << TCPSocket.new(TEST_ADDR, port2)
stats = tcp_listener_stats(addrs)
assert_equal 2, stats.size
assert_equal 0, stats[addr1].queued
assert_equal 1, stats[addr1].active
assert_equal 1, stats[addr2].queued
assert_equal 0, stats[addr2].active
@to_close << TCPSocket.new(TEST_ADDR, port2)
stats = tcp_listener_stats(addrs)
assert_equal 2, stats.size
assert_equal 0, stats[addr1].queued
assert_equal 1, stats[addr1].active
assert_equal 2, stats[addr2].queued
assert_equal 0, stats[addr2].active
@to_close << s2.accept
stats = tcp_listener_stats(addrs)
assert_equal 2, stats.size
assert_equal 0, stats[addr1].queued
assert_equal 1, stats[addr1].active
assert_equal 1, stats[addr2].queued
assert_equal 1, stats[addr2].active
sc1.close
stats = tcp_listener_stats(addrs)
assert_equal 0, stats[addr1].queued
assert_equal 0, stats[addr1].active
assert_equal 1, stats[addr2].queued
assert_equal 1, stats[addr2].active
end
def test_invalid_addresses
assert_raises(ArgumentError) { tcp_listener_stats(%w([1:::5)) }
assert_raises(ArgumentError) { tcp_listener_stats(%w([1:::]5)) }
end
# tries to overflow buffers
def test_tcp_stress_test
nr_proc = 32
nr_sock = 500
s = TCPServer.new(TEST_ADDR, 0)
port = s.addr[1]
addr = "[#{TEST_ADDR}]:#{port}"
addrs = [ addr ]
rda, wra = IO.pipe
rdb, wrb = IO.pipe
nr_proc.times do
fork do
rda.close
wrb.close
@to_close.concat((1..nr_sock).map { s.accept })
wra.syswrite('.')
wra.close
rdb.sysread(1) # wait for parent to nuke us
end
end
nr_proc.times do
fork do
rda.close
wrb.close
@to_close.concat((1..nr_sock).map { TCPSocket.new(TEST_ADDR, port) })
wra.syswrite('.')
wra.close
rdb.sysread(1) # wait for parent to nuke us
end
end
assert_equal('.' * (nr_proc * 2), rda.read(nr_proc * 2))
rda.close
stats = tcp_listener_stats(addrs)
expect = { addr => Raindrops::ListenStats[nr_sock * nr_proc, 0] }
assert_equal expect, stats
@to_close << TCPSocket.new(TEST_ADDR, port)
stats = tcp_listener_stats(addrs)
expect = { addr => Raindrops::ListenStats[nr_sock * nr_proc, 1] }
assert_equal expect, stats
if ENV["BENCHMARK"].to_i != 0
require 'benchmark'
puts(Benchmark.measure{1000.times { tcp_listener_stats(addrs) }})
end
wrb.syswrite('.' * (nr_proc * 2)) # broadcast a wakeup
statuses = Process.waitall
statuses.each { |(_,status)| assert status.success?, status.inspect }
end if ENV["STRESS"].to_i != 0
end if RUBY_PLATFORM =~ /linux/ && ipv6_enabled?
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