Revision cdd6154d
Added by Marc Dequènes over 13 years ago
- ID cdd6154d6bc7e5034408799b673c6766f806c293
| lib/cyborghood/base/config.rb | ||
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CONFFILE_GLOBAL = "cyborghood.conf"
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CONFFILE_BOT = "cyborghood_%s.conf"
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attr_accessor :bot_id
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def self.load(name = nil)
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# load all config parts
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g_config_raw = load_config_raw()
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| ... | ... | |
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end
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end
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protected
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def self.merge_into_default_config(conf_default, conf)
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protected def self.merge_into_default_config(conf_default, conf)
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new_conf = conf_default.dup
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conf.each_pair do |k, v|
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if conf_default.has_key?(k) and conf_default[k].is_a?(Hash) and v.is_a?(Hash)
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| lib/cyborghood/cyborg.rb | ||
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# load config
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Config.load(self.human_name)
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@config = Config.instance
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@config.bot_id = self.class.name
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# setup logs
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unless @config.log.nil?
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| lib/cyborghood/cyborg/conversation.rb | ||
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#++
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require 'yaml'
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require 'cyborghood/cyborg/session'
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module CyborgHood
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class Protocol
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VERSION = "0.1"
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def initialize(conversation)
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@conversation = conversation
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end
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def receive_announce_helo(parameters)
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unless parameters[:bot_name] =~ Conversation::BOT_ID_PATTERN
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return send_error_protocol "bad bot name"
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end
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unless parameters[:protocol_version] == VERSION
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@conversation.set_fatal
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return send_error_protocol "protocol version does not match"
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end
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@conversation.set_peer_info(parameters[:bot_name], parameters[:capabilities])
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send_reply_ok
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end
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def send_error_protocol(msg = nil)
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@conversation.set_reply("ERROR PROTO", { :error => msg || "" })
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end
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def send_reply_ack
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@conversation.set_reply("REPLY ACK")
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end
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end
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class Conversation < EventMachine::Protocols::LineAndTextProtocol
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private_class_method :new
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| ... | ... | |
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MaxLineLength = 16*1024
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EOD = "\033[0J"
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COMMAND_PATTERN = "^#{CyborgServerInterfaceBase::NODE_PATTERN}(?: ([+?]+))?$"
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BOT_ID_PATTERN = "[a-zA-Z0-9]+"
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ACTION_PATTERN = "^(#{BOT_ID_PATTERN})(\d{4})-(\d{4})([+]?) ([a-zA-Z0-9 ]+)$"
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MAXIMUM_ERROR_COUNT = 3
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MAXIMUM_LINES = 1024
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attr_reader :interface
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def initialize(interface)
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@interface = interface
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| ... | ... | |
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@config = Config.instance
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@split_data_mode = false
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@split_data_cmd = nil
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@split_data_action = nil
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@split_data = []
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@session = Session.new
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# one session for each conversation thread
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@sessions = {}
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@error_count = 0
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@fatal_error = false
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@actions_wip = {}
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@peer_id = nil
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@peer_capabilities = []
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@protocol = Protocol.new(this)
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end
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def send_line(msg)
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| ... | ... | |
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def post_init
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logger.debug "New conversation with #{identifier}"
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send_line "220 #{PRODUCT} #{VERSION} - #{@config.bot_name}"
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end
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def receive_line(data)
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return if data.empty?
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@reply_action = "Internal error"
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@reply_parameters = {}
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if data == EOD
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logger.debug "Received EOD [#{identifier}]"
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exit_split_mode
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| ... | ... | |
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if @split_data_mode
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logger.debug "Received data (split mode) [#{identifier}]: #{data}"
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@split_data << data
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if @split_data.size > MAXIMUM_LINES
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reply_fatal_error "overflow"
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else
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@split_data << data
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end
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else
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logger.debug "Received data [#{identifier}]: #{data}"
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unless data =~ Regexp.new(COMMAND_PATTERN)
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if data =~ Regexp.new(ACTION_PATTERN)
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@thread_id = $1
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@action_id = $2
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flags = $3 || ""
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action = $4
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if @actions_wip[@thread_id].nil? or not @actions_wip[@thread_id].include?(@action_id)
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@sessions[@thread_id] ||= Session.new
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if flags.index '+'
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enter_split_mode(action)
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else
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receive_action(action)
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end
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else
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reply_fatal_error "wip action id reused"
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end
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else
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logger.error "Error [#{identifier}]: syntax error"
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@error_count += 1
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if @error_count >= MAXIMUM_ERROR_COUNT
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send_line "503 too much errors, terminating"
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close_connection_after_writing
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reply_fatal_error "too much errors, terminating"
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else
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send_line "552 syntax error in command"
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reply_syntax_error "bad action"
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end
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return
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end
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cmd = $1
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flags = $2 || ""
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@error_count = 0
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if flags.index '?'
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send_line "250+ ok"
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send_line({'exists' => @interface.has_node?(cmd)}.to_yaml)
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return
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end
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if flags.index '+'
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enter_split_mode(cmd)
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else
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receive_command(cmd)
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end
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end
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end
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send_reply
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close_connection_after_writing if @fatal_error
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end
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def receive_command(cmd, data = nil)
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logger.debug "Executing command '#{cmd}' [#{identifier}]"
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send_line @interface.call(@session, cmd, data)
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def receive_action(action, data = nil)
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logger.debug "Executing action '#{action}' [#{identifier}]"
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unless data.nil?
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parameters = YAML.parse(data)
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reply_syntax_error "bad parameters"
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return
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end
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# use a Protocol object and convert back result to the conversation level protocol
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# we need to use EM.defer or EM.spawn+Deferrable, preferably after parsing, to avoid spawning threads for nothing
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#send_line @interface.call(@session, action, data)
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end
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def receive_error(msg)
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| ... | ... | |
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def unbind
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logger.debug "Conversation finished with #{identifier}"
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@session.clear
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@sessions.each_values {|s| s.clear }
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end
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def set_peer_info(id, capabilities)
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@peer_id = id
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@peer_capabilities = capabilities || []
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end
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def set_reply(action, parameters = nil)
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@reply_action = action
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@reply_parameters = parameters
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end
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def set_fatal
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@fatal_error = true
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end
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def current_session
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@sessions[@thread_id]
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end
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protected
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def enter_split_mode(cmd)
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def reply_syntax_error(msg = nil)
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msg = "syntax error" + (msg ? ": " + msg : "")
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@protocol.send_error_protocol(msg)
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end
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def reply_fatal_error(msg = nil)
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msg = "fatal error" + (msg ? ": " + msg : "")
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@protocol.send_error_protocol(msg)
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set_fatal
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end
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def send_reply
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send_line "#{@config.bot_id}-#{@thread_id}-#{@action_id}" + (@reply_parameters.nil? : "" : "+") + " #{@reply_action}"
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unless @reply_parameters.nil?
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@reply_parameters.to_yaml.split.each {|l| send_line l }
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send_line EOD
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end
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end
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def enter_split_mode(action)
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if @split_data_mode
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logger.error "Error [#{identifier}]: already in split mode"
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send_line "551 protocol error"
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@split_data_mode = false
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@split_data_cmd = nil
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@split_data_action = nil
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else
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logger.debug "Entered split mode for command '#{cmd}' [#{identifier}]"
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logger.debug "Entered split mode for action '#{action}' [#{identifier}]"
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@split_data_mode = true
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@split_data_cmd = cmd
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@split_data_action = action
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end
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@split_data = []
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end
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def exit_split_mode
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if @split_data_mode
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logger.debug "Quit split mode for command '#{@split_data_cmd}' [#{identifier}]"
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receive_command(@split_data_cmd, @split_data.join("\n"))
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logger.debug "Quit split mode for action '#{@split_data_action}' [#{identifier}]"
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receive_action(@split_data_action, @split_data.join("\n"))
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else
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logger.error "Error [#{identifier}]: not in split mode"
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send_line "551 protocol error"
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end
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@split_data_mode = false
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@split_data_cmd = nil
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@split_data_action = nil
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@split_data = []
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end
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end
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Also available in: Unified diff
[evol] conversation protocol complete rework + work on action protocol §1 (refs #30)