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| | # Copyright (C) 2013-2016 all contributors <yahns-public@yhbt.net>
# License: GPL-3.0+ (https://www.gnu.org/licenses/gpl-3.0.txt)
# frozen_string_literal: true
require_relative 'helper'
require 'timeout'
require 'socket'
require 'net/http'
module ServerHelper
def check_err(err = @err)
err = File.open(err.path, "r") if err.respond_to?(:path)
err.rewind
lines = err.readlines
bad_lines = lines.dup.delete_if { |l| l =~ /INFO/ }
assert bad_lines.empty?, lines.join("\n")
err.close! if err == @err
end
def poke_until_dead(pid)
assert_operator pid, :>, 0
Timeout.timeout(10) do
begin
Process.kill(0, pid)
sleep(0.01)
rescue Errno::ESRCH
break
end while true
end
assert_raises(Errno::ESRCH) { Process.kill(0, pid) }
end
def quit_wait(pid)
pid or return
err = $! and warn "Terminating on #{err.inspect} (#{err.class})"
Process.kill(:QUIT, pid)
_, status = Timeout.timeout(10) { Process.waitpid2(pid) }
assert status.success?, status.inspect
rescue Timeout::Error => tout
err ||= tout
begin
warn "#{err.message} (#{err.class})"
err.backtrace.each { |l| warn l }
end
if RUBY_PLATFORM =~ /linux/
system("lsof -p #{pid}")
warn "#{pid} failed to die, waiting for user to inspect"
sleep
end
raise
end
# only use for newly bound sockets
def get_tcp_client(host, port, tries = 500)
begin
return TCPSocket.new(host, port)
rescue Errno::ECONNREFUSED
raise if tries < 0
tries -= 1
end while sleep(0.01)
end
def server_helper_teardown
@srv.close if defined?(@srv) && !@srv.closed?
@ru.close! if defined?(@ru) && @ru
check_err if defined?(@err)
Timeout.timeout(30) do
Process.kill(:TERM, @tail_pid)
Process.waitpid(@tail_pid)
end if @tail_pid
end
def server_helper_setup
@srv = TCPServer.new(ENV["TEST_HOST"] || "127.0.0.1", 0)
@err = tmpfile(%w(srv .err))
@ru = nil
@tail_pid = nil
case tail = ENV['TAIL']
when '1'
tail = 'tail -f' # POSIX
when nil, '0'
tail = nil
# else : allow users to specify 'tail -F' or 'gtail -F' for GNU
end
if tail
cmd = tail.split(/\s+/)
cmd << @err.path
@tail_pid = spawn(*cmd)
end
end
def mkserver(cfg, srv = @srv)
xfork do
ENV["YAHNS_FD"] = srv.fileno.to_s
srv.autoclose = false
yield if block_given?
Yahns::Server.new(cfg).start.join
end
end
def wait_for_full(c)
prev = 0
prev_time = Time.now
begin
nr = c.nread
break if nr > 0 && nr == prev && (Time.now - prev_time) > 0.5
if nr != prev
prev = nr
prev_time = Time.now
end
Thread.pass
end while sleep(0.1)
end
end
module TrywriteBlocked
def kgio_trywrite(*args)
return :wait_writable if $_tw_block_on.include?($_tw_blocked += 1)
super
end
def kgio_syssend(*args)
return :wait_writable if $_tw_block_on.include?($_tw_blocked += 1)
super
end
end
|