Class: Adhearsion::VoIP::FreeSwitch::OesServer

Inherits:
GServer
  • Object
show all
Defined in:
lib/adhearsion/voip/freeswitch/oes_server.rb

Defined Under Namespace

Classes: OesDispatcher

Instance Method Summary collapse

Constructor Details

#initialize(port, host = nil) ⇒ OesServer

Returns a new instance of OesServer.



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# File 'lib/adhearsion/voip/freeswitch/oes_server.rb', line 14

def initialize(port, host=nil)
  @port, @host = port || 4572, host || "0.0.0.0"
  @cache_lock = Mutex.new
  super @port, @host, (1.0/0.0)
  log "Starting FreeSwitch OES Server"
end

Instance Method Details

#cached_dialplan_data ⇒ Object 



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# File 'lib/adhearsion/voip/freeswitch/oes_server.rb', line 72

def cached_dialplan_data
  @cache_lock.synchronize do
    log "Checking whether the contexts should be reloaded"
    if should_reload_contexts?
      log "Getting the contexts"
      @abstract_contexts = DSL::Dialplan::DialplanParser.get_contexts
      log "Creating a new OesDispatcher"
      @abstract_dispatcher = OesDispatcher.new @vars['Channel-Unique-ID']
      log "Done creating it"
      @abstract_dispatcher.def_keys! @abstract_contexts
    else
      log "Should not reload context."
      @abstract_dispatcher.instance_variable_set :@uuid, @vars['Channel-Unique-ID']
    end
    return [@abstract_contexts.clone, @abstract_dispatcher.clone]
  end
end

#rubyize_keys_for(hash) ⇒ Object 



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# File 'lib/adhearsion/voip/freeswitch/oes_server.rb', line 97

def rubyize_keys_for(hash)
  {}.tap do |pretty|
    hash.each { |k,v| pretty[k.to_s.underscore] = v }
  end
end

#serve(io) ⇒ Object 



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# File 'lib/adhearsion/voip/freeswitch/oes_server.rb', line 21

def serve(io)

  log "Incoming call on the FreeSwitch outbound event socket..."
  Thread.me.extend DSL::Dialplan::ThreadMixin
  Thread.me.call.io = io
  conn = BasicConnectionManager.new io

  Thread.my.call.mgr = conn
  conn << "connect"
  @vars = conn.get_header
  answered = @vars['variable_endpoint_disposition'] == "ANSWER"

  conn << "myevents"
  myevents_response = conn.get_header
  answered ||= myevents_response['Event-Name'] == 'CHANNEL_ANSWER'

  log "Connected to Freeswitch. Waiting for answer state."

  until answered
    answered ||= conn.get_header['Event-Name'] == 'CHANNEL_ANSWER'
  end

  log "Loading cached dialplan"
  contexts, dispatcher = cached_dialplan_data
  log "Finished loading cached dialplans"

  first_context_name  = @vars['variable_context'] || @vars["Channel-Context"]
  first_context       = contexts[first_context_name.to_sym]

  log "Found context #{first_context_name} from call variables."

  # If the target context does not exist, warn and don't handle the call
  unless first_context
    log "No context '#{first_context_name}' found in " +
        "#{AHN_CONFIG.files_from_setting("paths", "").to_sentence(:connector => "or")}. Ignoring request!"
    return
  end

  # Enable events

  # Now that we have the code, let's dispatch it back.

  pretty_vars = rubyize_keys_for @vars
  dispatcher.def_keys! pretty_vars
  dispatcher.instance_eval(&first_context.block)

rescue => e
  p e
  puts e.backtrace.map {|x| " " * 4 + x }
end

#should_reload_contexts? ⇒ Boolean

TODO. This is broken. Always returns true. Should cache the last reload time.

Returns:

  • (Boolean) 


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# File 'lib/adhearsion/voip/freeswitch/oes_server.rb', line 92

def should_reload_contexts?
  !@abstract_contexts || !@abstract_dispatcher ||
    AHN_CONFIG.files_from_setting("paths", "dialplan").map { |x| File.mtime(x) }.max < Time.now
end