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Diffstat (limited to 'lib/chef_zero/socketless_server_map.rb')
-rw-r--r-- | lib/chef_zero/socketless_server_map.rb | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/lib/chef_zero/socketless_server_map.rb b/lib/chef_zero/socketless_server_map.rb new file mode 100644 index 0000000..531dbbb --- /dev/null +++ b/lib/chef_zero/socketless_server_map.rb @@ -0,0 +1,84 @@ +# +# Author:: Daniel DeLeo (<dan@chef.io>) +# Copyright:: Copyright (c) 2012 Opscode, Inc. +# License:: Apache License, Version 2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +require 'thread' +require 'singleton' + +module ChefZero + + class ServerNotFound < StandardError + end + + class NoSocketlessPortAvailable < StandardError + end + + class SocketlessServerMap + + def self.request(port, request_env) + instance.request(port, request_env) + end + + MUTEX = Mutex.new + + include Singleton + + def initialize() + reset! + end + + def reset! + @servers_by_port = {} + end + + def register_port(port, server) + MUTEX.synchronize do + @servers_by_port[port] = server + end + end + + def register_no_listen_server(server) + MUTEX.synchronize do + 1.upto(1000) do |port| + unless @servers_by_port.key?(port) + @servers_by_port[port] = server + return port + end + end + raise NoSocketlessPortAvailable, "No socketless ports left to register" + end + end + + def has_server_on_port?(port) + @servers_by_port.key?(port) + end + + def deregister(port) + MUTEX.synchronize do + @servers_by_port.delete(port) + end + end + + def request(port, request_env) + server = @servers_by_port[port] + raise ServerNotFound, "No socketless chef-zero server on given port #{port.inspect}" unless server + server.handle_socketless_request(request_env) + end + + end +end + |