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# -*- encoding: binary -*-
require 'test/unit'
require 'tempfile'
require 'raindrops'
require 'socket'
require 'pp'
$stderr.sync = $stdout.sync = true
class TestLinux < Test::Unit::TestCase
include Raindrops::Linux
TEST_ADDR = ENV['UNICORN_TEST_ADDR'] || '127.0.0.1'
def setup
@to_close = []
end
def teardown
@to_close.each { |io| io.close unless io.closed? }
end
def test_unix
tmp = Tempfile.new("\xde\xad\xbe\xef") # valid path, really :)
File.unlink(tmp.path)
us = UNIXServer.new(tmp.path)
stats = unix_listener_stats([tmp.path])
assert_equal 1, stats.size
assert_equal 0, stats[tmp.path].active
assert_equal 0, stats[tmp.path].queued
@to_close << UNIXSocket.new(tmp.path)
stats = unix_listener_stats([tmp.path])
assert_equal 1, stats.size
assert_equal 0, stats[tmp.path].active
assert_equal 1, stats[tmp.path].queued
@to_close << UNIXSocket.new(tmp.path)
stats = unix_listener_stats([tmp.path])
assert_equal 1, stats.size
assert_equal 0, stats[tmp.path].active
assert_equal 2, stats[tmp.path].queued
@to_close << us.accept
stats = unix_listener_stats([tmp.path])
assert_equal 1, stats.size
assert_equal 1, stats[tmp.path].active
assert_equal 1, stats[tmp.path].queued
end
def test_unix_all
tmp = Tempfile.new("\xde\xad\xbe\xef") # valid path, really :)
File.unlink(tmp.path)
us = UNIXServer.new(tmp.path)
@to_close << UNIXSocket.new(tmp.path)
stats = unix_listener_stats
assert_equal 0, stats[tmp.path].active
assert_equal 1, stats[tmp.path].queued
@to_close << UNIXSocket.new(tmp.path)
stats = unix_listener_stats
assert_equal 0, stats[tmp.path].active
assert_equal 2, stats[tmp.path].queued
@to_close << us.accept
stats = unix_listener_stats
assert_equal 1, stats[tmp.path].active
assert_equal 1, stats[tmp.path].queued
end
def test_unix_all_unused
tmp = Tempfile.new("\xde\xad\xbe\xef") # valid path, really :)
File.unlink(tmp.path)
us = UNIXServer.new(tmp.path)
stats = unix_listener_stats
assert stats.keys.include?(tmp.path), stats.inspect
assert_equal 0, stats[tmp.path].active
assert_equal 0, stats[tmp.path].queued
us.close
end
def test_unix_resolves_symlinks
tmp = Tempfile.new("\xde\xad\xbe\xef") # valid path, really :)
File.unlink(tmp.path)
us = UNIXServer.new(tmp.path)
# Create a symlink
link = Tempfile.new("somethingelse")
File.unlink(link.path) # We need an available name, not an actual file
File.symlink(tmp.path, link.path)
@to_close << UNIXSocket.new(tmp.path)
stats = unix_listener_stats
assert_equal 0, stats[tmp.path].active
assert_equal 1, stats[tmp.path].queued
@to_close << UNIXSocket.new(link.path)
stats = unix_listener_stats([link.path])
assert_equal 0, stats[link.path].active
assert_equal 2, stats[link.path].queued
assert_equal stats[link.path].object_id, stats[tmp.path].object_id
@to_close << us.accept
stats = unix_listener_stats
assert_equal 1, stats[tmp.path].active
assert_equal 1, stats[tmp.path].queued
end
def disable_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 disable_test_tcp_reuse_sock
nlsock = Raindrops::InetDiagSocket.new
s = TCPServer.new(TEST_ADDR, 0)
port = s.addr[1]
addr = "#{TEST_ADDR}:#{port}"
addrs = [ addr ]
stats = tcp_listener_stats(addrs, nlsock)
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, nlsock)
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, nlsock)
assert_equal 1, stats.size
assert_equal 0, stats[addr].queued
assert_equal 1, stats[addr].active
ensure
nlsock.close
end
def disable_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
# make sure we don't leave "true" placeholders in results if a
# listener becomes invalid (even momentarily).
s2.close
stats = tcp_listener_stats(addrs)
assert stats.values.all? { |x| x.instance_of?(Raindrops::ListenStats) },
"placeholders left: #{stats.inspect}"
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/
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