Method: AGI#init

Defined in:
lib/AGI.rb

#init ⇒ Object

Initializes the channel by getting all variables provided by Asterisk as it initiates the connection. These values are then stored in the instance variable @channel_params, a Hash object. While initializing the channel, the IO object(s) provided to new as :input and :output are set to operate synchronously.

Note, a channel can only be initialized once. If the AGI is being initialized a second time, this will throw an AGIInitializeError. If this is desired functionality, please see the reinit method.



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# File 'lib/AGI.rb', line 428

def init
  if @initialized
    raise AGIInitializeError.new(nil, "Tried to init previously initialized channel. If this is desired, use reinit()")      
  end
  begin
    @input.sync = true
    @output.sync = true
    while( line = @input.gets.chomp )
      if line =~ %r{^\s*$} then
        break
      elsif line =~ %r{^agi_(\w+)\:\s+(.+)$} then
        if @channel_params.has_key?($1) then
          @logger.warn{"AGI Got Duplicate Channel Parameter for #{$1} (was \"#{@channel_params[$1]}\" reset to \"#{$2})\""}
        end
        @channel_params[$1] = $2          
        @logger.debug{"AGI Got Channel Parameter #{$1} = #{$2}"}
      end
    end
  rescue NoMethodError => error
    if error.to_s =~ %r{chomp} then
      raise AGIHangupError.new(nil, "Channel Hungup during init")
    else
      raise
    end
  end
  @initialized = true
end