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| | #!/usr/bin/env ruby
# -*- encoding: binary -*-
# Copyright (C) 2012-2013, Eric Wong <normalperson@yhbt.net>
# License: GPLv3 or later (see COPYING for details)
require 'test/test_helper'
require 'digest/md5'
require 'net/http'
require 'time'
require 'timeout'
class TestHTTP < Test::Unit::TestCase
def setup
@tmpdir = Dir.mktmpdir('cmogstored-http-test')
@to_close = []
@host = TEST_HOST
srv = TCPServer.new(@host, 0)
@port = srv.addr[1]
srv.close
@err = Tempfile.new("stderr")
cmd = [ "cmogstored", "--docroot=#@tmpdir", "--httplisten=#@host:#@port",
"--maxconns=500" ]
vg = ENV["VALGRIND"] and cmd = vg.split(/\s+/).concat(cmd)
@pid = fork {
$stderr.reopen(@err)
@err.close
exec(*cmd)
}
@client = get_client
end
def teardown
Process.kill(:QUIT, @pid) rescue nil
_, status = Process.waitpid2(@pid)
@to_close.each { |io| io.close unless io.closed? }
FileUtils.rm_rf(@tmpdir)
@err.rewind
$stderr.write(@err.read)
assert status.success?, status.inspect
end
# neon does this
def test_empty_request_value
@client.write("GET / HTTP/1.1\r\n" \
"Keep-Alive: \r\nConnection: TE,Keep-Alive\r\n\r\n")
buf = @client.readpartial(12345)
assert_match(%r{\AHTTP/1\.1 200 OK}, buf)
# ensure persistent connections work
@client.write("GET / HTTP/1.1\r\n" \
"Missing-Space:\r\n\r\n")
buf = @client.readpartial(12345)
assert_match(%r{\AHTTP/1\.1 200 OK}, buf)
end
def test_slash_for_mogadm_check
Net::HTTP.start(@host, @port) do |http|
[ Net::HTTP::Get, Net::HTTP::Head ].each do |meth|
resp = http.request(meth.new("/"))
date = Time.httpdate(resp["Date"])
assert_in_delta Time.now.to_f, date.to_f, 3.0
assert_kind_of Net::HTTPOK, resp
assert_equal Time.httpdate(resp["Last-Modified"]), Time.at(0)
end
end
end
# ensure HTTP HEAD responses get pushed right away
def test_head_response_time
return if ENV["VALGRIND"] # valgrind is slow and skews response times
File.open("#@tmpdir/somefile", "wb") { |fp| fp.puts "HI\n" }
Net::HTTP.start(@host, @port) do |http|
req = Net::HTTP::Head.new("/somefile")
t0 = Time.now
http.request(req)
diff = Time.now - t0
assert_operator diff, :<, 0.2
http.request(req)
diff = Time.now - t0
assert_operator diff, :<, 0.4
end
end
def test_response_headers
File.open("#@tmpdir/somefile", "wb") { |fp| fp.puts "HI\n" }
st = File.stat("#@tmpdir/somefile")
Net::HTTP.start(@host, @port) do |http|
[ Net::HTTP::Get, Net::HTTP::Head ].each do |meth|
resp = http.request(meth.new("/somefile"))
assert_kind_of Net::HTTPOK, resp
date = Time.httpdate(resp["Date"])
assert_in_delta Time.now.to_f, date.to_f, 3.0
assert_equal Time.httpdate(resp["Last-Modified"]).to_i, st.mtime.to_i
assert_equal "3", resp["Content-Length"]
# redundant slashes, mogadm sends them
resp = http.request(meth.new("//somefile"))
assert_kind_of Net::HTTPOK, resp
date = Time.httpdate(resp["Date"])
assert_in_delta Time.now.to_f, date.to_f, 3.0
assert_equal Time.httpdate(resp["Last-Modified"]).to_i, st.mtime.to_i
assert_equal "3", resp["Content-Length"]
end
end
end
def test_get_huge
Dir.mkdir("#@tmpdir/dev666")
big = 100 * 1024 * 1024
File.open("#@tmpdir/dev666/sparse-file.fid", "w") do |fp|
fp.seek(big - 1)
fp.write('.')
end
@client.write("GET /dev666/sparse-file.fid HTTP/1.0\r\n\r\n")
buf = @client.readpartial(600)
_, body = buf.split(/\r\n\r\n/, 2)
bytes = IO.copy_stream(@client, "/dev/null")
assert_equal bytes + body.bytesize, big
end if IO.respond_to?(:copy_stream)
def test_dir_forbidden
Dir.mkdir("#@tmpdir/dev666")
Net::HTTP.start(@host, @port) do |http|
resp = http.request(Net::HTTP::Get.new("/dev666"))
assert_kind_of Net::HTTPForbidden, resp
resp = http.request(Net::HTTP::Head.new("/dev666"))
assert_kind_of Net::HTTPForbidden, resp
end
end
def test_trickle_burst
req = "GET"
more = " /dev666/test HTTP/1.1\r\nHost: #@host:#@port\r\n\r\n"
@client.write(req)
sleep 0.01
@client.write(more)
buf = @client.readpartial(600)
assert_match(%r{\AHTTP/1\.1 404 Not Found\r\n}, buf)
assert_match(%r{^Content-Length: 0\r\n}, buf)
assert_match(%r{\r\n\r\n\z}, buf)
end
def test_trickle_header
req = "GET /dev666/test HTTP/1.1\r\nHost: #@host:#@port\r\n\r\n"
req.split(//).each do |x|
@client.write(x)
sleep 0.01
end
buf = @client.readpartial(600)
assert_match(%r{\AHTTP/1\.1 404 Not Found\r\n}, buf)
assert_match(%r{^Content-Length: 0\r\n}, buf)
assert_match(%r{\r\n\r\n\z}, buf)
Dir.mkdir("#@tmpdir/dev666")
File.open("#@tmpdir/dev666/test", "w") { |fp| fp.write("HI\n") }
req.split(//).each do |x|
@client.write(x)
sleep 0.01
end
buf = @client.readpartial(600)
assert_match(%r{\AHTTP/1\.1 200 OK\r\n}, buf)
assert_match(%r{^Content-Length: 3\r\n}, buf)
assert_match(%r{\r\n\r\n}, buf)
end
def test_pipelined_small
req = "GET /dev666/test HTTP/1.1\r\nHost: #@host:#@port\r\n\r\n"
req *= 2
@client.write(req)
buf = ""
until /\r\n\r\nHTTP.*\r\n\r\n\z/m =~ buf
buf << @client.readpartial(6666)
end
resp = buf.split(/\r\n\r\n/)
assert_equal 2, resp.size
resp.each { |x| x.sub!(/^Date:[^\r\n]+\r\n/, "") }
assert_equal resp[0], resp[1]
end
def test_pipelined_large
req = "GET /dev666/test HTTP/1.1\r\nHost: #@host:#@port\r\n\r\n"
nr = 10000
thr = Thread.new do
sleep 1
all = ""
buf = ""
begin
all << @client.readpartial(666, buf)
rescue EOFError
break
end while true
all
end
req2 = req * 2
nr.times { @client.write(req2) }
@client.write("GET /dev666/test HTTP/1.0\r\n\r\n")
all = thr.value
assert_equal((nr * 2) + 1, all.split(/\r\n/).grep(%r{^HTTP\/}).size);
end
def test_garbage
@client.write("size /foo\r\n")
buf = @client.readpartial(666)
assert_match(%r{\AHTTP/1\.1 400 Bad Request\r\n}, buf)
assert_nil(@client.read(666))
end
def test_monster_headers
buf = "GET /hello-world HTTP/1.1\r\n"
4094.times { buf << "X-Hello: World\r\n" }
buf << "\r\n"
assert_operator(buf.bytesize, :<, 0xffff)
buf.each_line do |line|
@client.write(line)
sleep 0.000666
end
buf = @client.readpartial(666)
assert_match %r{\AHTTP/1\.1 404 Not Found\r\n}, buf
end
def test_large_request_rejected
buf = "GET /hello-world HTTP/1.1\r\n"
4095.times { buf << "X-Hello: World\r\n" }
buf << "\r\n"
assert_operator(buf.bytesize, :>=, 0xffff)
begin
buf.each_line do |line|
@client.write(line)
sleep 0.000666
end
rescue Errno::ECONNRESET
end
buf = @client.readpartial(666)
assert_match %r{\AHTTP/1\.1 400 Bad Request\r\n}, buf
end
def test_iosem_concurrency
fifo = "#@tmpdir/dev666/fifo.%u.fid"
Dir.mkdir("#@tmpdir/dev666")
Dir.mkdir("#@tmpdir/dev333")
File.open("#@tmpdir/dev333/fast.fid", "w") { |fp| fp.write('.') }
File.open("#@tmpdir/dev666/fast.fid", "w") { |fp| fp.write('.') }
# create 10 threads which are blocked on the FIFO read
nr = 10
nr.times do |i|
assert system("mkfifo", fifo % i), "mkfifo #{fifo % i}"
end
threads = []
nr.times do |i|
thr = Thread.new(i) do |_i|
res = nil
Net::HTTP.start(@host, @port) do |http|
res = http.request(Net::HTTP::Get.new("/dev666/fifo.%u.fid" % _i))
end
res
end
threads << thr
end
# start a fast request to the bogged down device, it should get queued
# FIXME: still racy
t_yield
@client.write("GET /dev666/fast.fid HTTP/1.0\r\n")
t_yield
@client.write("\r\n")
# fast request to a free device
Net::HTTP.start(@host, @port) do |http|
res = http.request(Net::HTTP::Get.new("/dev333/fast.fid"))
assert_equal 200, res.code.to_i
end
# slow device should still be stuck
assert_equal nil, IO.select([@client], nil, nil, 2)
cr = Thread.new do
val = @client.read
[ val, Time.now ]
end
wr_start = Time.now
# wake up the blocked threads
writer = Thread.new do
nr.times do |i|
File.open(fifo % i, "w").close
end
end
# blocked threads return
threads.each do |t|
assert_equal 403, t.value.code.to_i
end
writer.join
# fast device should be readable, now
fast_response, fast_finish = Timeout.timeout(5) { cr.value }
assert_match(%r{\AHTTP/1\.1 200 OK}, fast_response)
assert_match(%r{\r\n\r\n\.\z}, fast_response)
assert_operator fast_finish, :>, wr_start
end
end
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