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# Copyright, 2007, 2014, by Samuel G. D. Williams. <http://www.codeotaku.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
require 'process/daemon'
require 'webrick'
require 'webrick/https'
require 'xmlrpc/server'
require 'xmlrpc/client'
module Process::Daemon::DaemonSpec
# Very simple XMLRPC daemon
class XMLRPCDaemon < Process::Daemon
def working_directory
File.expand_path("../tmp", __FILE__)
end
def startup
puts "Starting server..."
@rpc_server = WEBrick::HTTPServer.new(
:Port => 31337,
:BindAddress => "0.0.0.0"
)
@listener = XMLRPC::WEBrickServlet.new
@listener.add_handler("add") do |amount|
@count ||= 0
@count += amount
end
@listener.add_handler("total") do
@count
end
@rpc_server.mount("/RPC2", @listener)
end
def run
# This is the correct way to cleanly shutdown the server, apparently:
trap(:INT) do
@rpc_server.shutdown
end
puts "RPC server starting..."
@rpc_server.start
ensure
puts "Stop accepting new connections to RPC server..."
@rpc_server.shutdown
end
end
class DefaultDaemon < Process::Daemon
def working_directory
File.expand_path("../tmp", __FILE__)
end
end
describe Process::Daemon do
before do
XMLRPCDaemon.start
end
after do
XMLRPCDaemon.stop
end
it "should be running" do
expect(XMLRPCDaemon.status).to be == :running
expect(XMLRPCDaemon.instance.crashed?).to be_falsey
end
it "should respond to connections" do
rpc = XMLRPC::Client.new_from_uri("http://localhost:31337")
rpc.call("add", 10)
total = rpc.call("total")
expect(total).to be == 10
end
it "should be a unique instance" do
expect(XMLRPCDaemon.instance).to_not be == DefaultDaemon.instance
end
it "should produce useful output" do
output = StringIO.new
controller = Process::Daemon::Controller.new(XMLRPCDaemon.instance, :output => output)
expect(controller.status).to be == :running
controller.show_status
expect(output.string).to match /Daemon status: running pid=\d+/
output.rewind
controller.stop
expect(output.string).to match /Stopping/
output.rewind
controller.start
expect(output.string).to match /Starting/
end
it "should have correct process title" do
pid = XMLRPCDaemon.controller.pid
title = `ps -p #{pid} -o command=`.strip
expect(title).to match /XMLRPCDaemon/
end
end
end
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