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# frozen_string_literal: true
#
# Copyright, 2018, 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_relative 'connection'
require_relative 'request'
require 'protocol/http2/server'
module Async
module HTTP
module Protocol
module HTTP2
class Server < ::Protocol::HTTP2::Server
include Connection
def initialize(stream)
# Used by some generic methods in Connetion:
@stream = stream
framer = ::Protocol::HTTP2::Framer.new(stream)
super(framer)
@requests = Async::Queue.new
end
attr :requests
def accept_stream(stream_id)
super do
Request::Stream.create(self, stream_id)
end
end
def close(error = nil)
if @requests
# Stop the request loop:
@requests.enqueue(nil)
@requests = nil
end
super
end
def each(task: Task.current)
task.annotate("Reading #{version} requests for #{self.class}.")
# It's possible the connection has died before we get here...
@requests&.async do |task, request|
task.annotate("Incoming request: #{request.method} #{request.path.inspect}.")
@count += 1
begin
response = yield(request)
rescue
# We need to close the stream if the user code blows up while generating a response:
request.stream.send_reset_stream(::Protocol::HTTP2::INTERNAL_ERROR)
raise
else
request.send_response(response)
end
end
# Maybe we should add some synchronisation here - i.e. only exit once all requests are finished.
end
end
end
end
end
end
|
