Class: RSMP::SupervisorProxy

Inherits:
Proxy
  • Object
show all
Defined in:
lib/rsmp/supervisor_proxy.rb

Constant Summary

Constants inherited from Proxy

Proxy::WRAPPING_DELIMITER

Instance Attribute Summary collapse

Attributes inherited from Proxy

#archive, #collector, #connection_info, #ip, #node, #port, #state, #sxl

Attributes included from Task

#task

Attributes included from Notifier

#listeners

Attributes included from Logging

#archive, #logger

Instance Method Summary collapse

Methods inherited from Proxy

#acknowledge, #acknowledged_first_outgoing, #author, #buffer_message, #check_ack_timeout, #check_ingoing_acknowledged, #check_outgoing_acknowledged, #check_rsmp_version, #check_watchdog_timeout, #clear, #clock, #close, #close_socket, #close_stream, #connected?, #disconnect, #disconnected?, #dont_acknowledge, #dont_expect_acknowledgement, #expect_acknowledgement, #expect_version_message, #extraneous_version, #find_original_for_message, #get_schemas, #inspect, #log, #log_acknowledgement_for_original, #log_acknowledgement_for_unknown, #log_send, #notify_error, #process_ack, #process_deferred, #process_not_ack, #process_packet, #process_watchdog, #read_line, #ready?, #revive, #rsmp_versions, #run_reader, #run_timer, #send_and_optionally_collect, #send_message, #send_version, #send_watchdog, #set_nts_message_attributes, #set_state, #setup, #should_validate_ingoing_message?, #start_reader, #start_timer, #start_watchdog, #state_changed, #stop_reader, #stop_subtasks, #stop_timer, #verify_sequence, #version_acknowledged, #wait_for_reader, #wait_for_state, #watchdog_send_timer, #will_not_handle

Methods included from Task

#initialize_task, #restart, #start, #stop, #stop_subtasks, #task_status, #wait, #wait_for_condition

Methods included from Inspect

#inspect, #inspector

Methods included from Notifier

#add_listener, #clear_deferred_notify, #deferred_notify, #dequeue_notify, #distribute_error, #initialize_distributor, #inspect, #notify, #notify_without_defer, #remove_listener

Methods included from Logging

#author, #initialize_logging, #log

Constructor Details

#initialize(options) ⇒ SupervisorProxy

Returns a new instance of SupervisorProxy.



10
11
12
13
14
15
16
17
18
19
 
# File 'lib/rsmp/supervisor_proxy.rb', line 10

def initialize options
  super options.merge(node:options[:site])
  @site = options[:site]
  @site_settings = @site.site_settings.clone
  @ip = options[:ip]
  @port = options[:port]
  @status_subscriptions = {}
  @sxl = @site_settings['sxl']
  @synthetic_id = Supervisor.build_id_from_ip_port @ip, @port
end

Instance Attribute Details

#site ⇒ Object (readonly)

Returns the value of attribute site.



8
9
10
 
# File 'lib/rsmp/supervisor_proxy.rb', line 8

def site
  @site
end

#supervisor_id ⇒ Object (readonly)

Returns the value of attribute supervisor_id.



8
9
10
 
# File 'lib/rsmp/supervisor_proxy.rb', line 8

def supervisor_id
  @supervisor_id
end

Instance Method Details

#acknowledged_first_ingoing(message) ⇒ Object 



121
122
123
124
125
126
 
# File 'lib/rsmp/supervisor_proxy.rb', line 121

def acknowledged_first_ingoing message
  case message.type
  when "Watchdog"
    handshake_complete
  end
end

#check_sxl_version(message) ⇒ Object 



443
444
 
# File 'lib/rsmp/supervisor_proxy.rb', line 443

def check_sxl_version message
end

#connect ⇒ Object

connect to the supervisor and initiate handshake supervisor



50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/rsmp/supervisor_proxy.rb', line 50

def connect
  log "Connecting to supervisor at #{@ip}:#{@port}", level: :info
  set_state :connecting
  connect_tcp
  @logger.unmute @ip, @port
  log "Connected to supervisor at #{@ip}:#{@port}", level: :info
rescue SystemCallError => e
  raise ConnectionError.new "Could not connect to supervisor at #{@ip}:#{@port}: Errno #{e.errno} #{e}"
rescue StandardError => e
  raise ConnectionError.new "Error while connecting to supervisor at #{@ip}:#{@port}: #{e}"
end

#connect_tcp ⇒ Object 



67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
 
# File 'lib/rsmp/supervisor_proxy.rb', line 67

def connect_tcp
  @endpoint = Async::IO::Endpoint.tcp(@ip, @port)

  # Async::IO::Endpoint#connect renames the current task. run in a subtask to avoid this see issue #22
  @task.async do |task|
    task.annotate 'socket task'
    # this timeout is a workaround for #connect hanging on windows if the other side is not present yet
    task.with_timeout 1.1 do
      @socket = @endpoint.connect
    end
  end.wait

  @stream = Async::IO::Stream.new(@socket)
  @protocol = Async::IO::Protocol::Line.new(@stream,WRAPPING_DELIMITER) # rsmp messages are json terminated with a form-feed
  set_state :connected
end

#fetch_last_sent_status(component, code, name) ⇒ Object 



348
349
350
 
# File 'lib/rsmp/supervisor_proxy.rb', line 348

def fetch_last_sent_status component, code, name
  @last_status_sent.dig component, code, name if @last_status_sent
end

#get_status_subscribe_interval(component_id, sCI, n) ⇒ Object 



321
322
323
 
# File 'lib/rsmp/supervisor_proxy.rb', line 321

def get_status_subscribe_interval component_id, sCI, n
  @status_subscriptions.dig component_id, sCI, n
end

#handle_alarm_resume(message) ⇒ Object

handle incoming alarm resume



220
221
222
223
224
225
226
227
 
# File 'lib/rsmp/supervisor_proxy.rb', line 220

def handle_alarm_resume message
  component_id = message.attributes["cId"]
  component = @site.find_component component_id
  alarm_code = message.attribute("aCId")
  log "Received #{message.type} #{alarm_code} resume", message: message, level: :log
  acknowledge message
  component.resume_alarm alarm_code
end

#handle_alarm_suspend(message) ⇒ Object

handle incoming alarm suspend



210
211
212
213
214
215
216
217
 
# File 'lib/rsmp/supervisor_proxy.rb', line 210

def handle_alarm_suspend message
  component_id = message.attributes["cId"]
  component = @site.find_component component_id
  alarm_code = message.attribute("aCId")
  log "Received #{message.type} #{alarm_code} suspend", message: message, level: :log
  acknowledge message
  component.suspend_alarm alarm_code
end

#handshake_complete ⇒ Object 



84
85
86
87
88
89
90
91
92
93
 
# File 'lib/rsmp/supervisor_proxy.rb', line 84

def handshake_complete
  sanitized_sxl_version = RSMP::Schema.sanitize_version(sxl_version)
  log "Connection to supervisor established, using core #{@rsmp_version}, #{sxl} #{sanitized_sxl_version}", level: :info
  start_watchdog
  if @site_settings['send_after_connect']
    send_all_aggregated_status
    send_active_alarms
  end
  super
end

#main ⇒ Object 



446
447
448
 
# File 'lib/rsmp/supervisor_proxy.rb', line 446

def main
  @site.main
end

#process_aggregated_status(message) ⇒ Object 



186
187
188
189
190
191
192
 
# File 'lib/rsmp/supervisor_proxy.rb', line 186

def process_aggregated_status message
  se = message.attribute("se")
  validate_aggregated_status(message,se) == false
  on = set_aggregated_status se
  log "Received #{message.type} status [#{on.join(', ')}]", message: message, level: :log
  acknowledge message
end

#process_aggregated_status_request(message) ⇒ Object 



241
242
243
244
245
246
247
 
# File 'lib/rsmp/supervisor_proxy.rb', line 241

def process_aggregated_status_request message
  log "Received #{message.type}", message: message, level: :log
  component_id = message.attributes["cId"]
  component = @site.find_component component_id
  acknowledge message
  send_aggregated_status component
end

#process_alarm(message) ⇒ Object 



194
195
196
197
198
199
200
201
202
203
204
205
206
207
 
# File 'lib/rsmp/supervisor_proxy.rb', line 194

def process_alarm message
  case message
  when AlarmAcknowledged
    handle_alarm_acknowledge message
  when AlarmSuspend
    handle_alarm_suspend message
  when AlarmResume
    handle_alarm_resume message
  when AlarmRequest
    handle_alarm_request message
  else
    dont_acknowledge message, "Invalid alarm message type"
  end
end

#process_command_request(message) ⇒ Object 



249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
 
# File 'lib/rsmp/supervisor_proxy.rb', line 249

def process_command_request message
  log "Received #{message.type}", message: message, level: :log
  component_id = message.attributes["cId"]
  component = @site.find_component component_id
  commands = simplify_command_requests message.attributes["arg"]
  commands.each_pair do |command_code,arg|
    component.handle_command command_code,arg
  end

  rvs = message.attributes["arg"].map do |item|
    item = item.dup.merge('age'=>'recent')
    item.delete 'cO'
    item
  end
  response = CommandResponse.new({
    "cId"=>component_id,
    "cTS"=>clock.to_s,
    "rvs"=>rvs
  })
  set_nts_message_attributes response
  acknowledge message
  send_message response
end

#process_message(message) ⇒ Object 



95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
 
# File 'lib/rsmp/supervisor_proxy.rb', line 95

def process_message message
  case message
  when StatusResponse, StatusUpdate, AggregatedStatus, AlarmIssue
    will_not_handle message
  when AggregatedStatusRequest
    process_aggregated_status_request message
  when CommandRequest
    process_command_request message
  when CommandResponse
    process_command_response message
  when StatusRequest
    process_status_request message
  when StatusSubscribe
    process_status_subcribe message
  when StatusUnsubscribe
    process_status_unsubcribe message
  when Alarm, AlarmAcknowledged, AlarmSuspend, AlarmResume, AlarmRequest
    process_alarm message
  else
    super message
  end
rescue UnknownComponent, UnknownCommand, UnknownStatus,
       MessageRejected, MissingAttribute => e
  dont_acknowledge message, '', e.to_s
end

#process_status_request(message, options = {}) ⇒ Object 



273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
 
# File 'lib/rsmp/supervisor_proxy.rb', line 273

def process_status_request message, options={}
  component_id = message.attributes["cId"]
  component = @site.find_component component_id
  log "Received #{message.type}", message: message, level: :log
  sS = message.attributes["sS"].map do |arg|
    value, quality =  component.get_status arg['sCI'], arg['n']
    { "s" => value.to_s, "q" => quality.to_s }.merge arg
  end
  response = StatusResponse.new({
    "cId"=>component_id,
    "sTs"=>clock.to_s,
    "sS"=>sS,
    "mId" => options[:m_id]
  })
  set_nts_message_attributes response
  acknowledge message
  send_message response
end

#process_status_subcribe(message) ⇒ Object 



292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
 
# File 'lib/rsmp/supervisor_proxy.rb', line 292

def process_status_subcribe message
  log "Received #{message.type}", message: message, level: :log

  # @status_subscriptions is organized by component/code/name, for example:
  #
  # {"AA+BBCCC=DDDEE002"=>{"S001"=>["number"]}}
  #
  # This is done to make it easy to send a single status update
  # for each component, containing all the requested statuses

  update_list = {}
  component_id = message.attributes["cId"]
  @status_subscriptions[component_id] ||= {}
  update_list[component_id] ||= {}
  now = Time.now  # internal timestamp
  subs = @status_subscriptions[component_id]

  message.attributes["sS"].each do |arg|
    sCI = arg["sCI"]
    subcription = {interval: arg["uRt"].to_i, last_sent_at: now}
    subs[sCI] ||= {}
    subs[sCI][arg["n"]] = subcription
    update_list[component_id][sCI] ||= []
    update_list[component_id][sCI] << arg["n"]
  end
  acknowledge message
  send_status_updates update_list   # send status after subscribing is accepted
end

#process_status_unsubcribe(message) ⇒ Object 



325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
 
# File 'lib/rsmp/supervisor_proxy.rb', line 325

def process_status_unsubcribe message
  log "Received #{message.type}", message: message, level: :log
  component = message.attributes["cId"]

  subs = @status_subscriptions[component]
  if subs
    message.attributes["sS"].each do |arg|
      sCI = arg["sCI"]
      if subs[sCI]
        subs[sCI].delete arg["n"]
        subs.delete(sCI) if subs[sCI].empty?
      end
    end
    @status_subscriptions.delete(component) if subs.empty?
  end
  acknowledge message
end

#process_version(message) ⇒ Object 



435
436
437
438
439
440
441
 
# File 'lib/rsmp/supervisor_proxy.rb', line 435

def process_version message
  return extraneous_version message if @version_determined
  check_rsmp_version message
  check_sxl_version message
  @site_id = Supervisor.build_id_from_ip_port @ip, @port
  version_accepted message
end

#reconnect_delay ⇒ Object 



147
148
149
150
151
152
153
154
 
# File 'lib/rsmp/supervisor_proxy.rb', line 147

def reconnect_delay
  return false if @site_settings['intervals']['reconnect'] == :no
  interval = @site_settings['intervals']['reconnect']
  log "Will try to reconnect again every #{interval} seconds...", level: :info
  @logger.mute @ip, @port
  @task.sleep interval
  true
end

#run ⇒ Object

handle communication if disconnected, then try to reconnect



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/rsmp/supervisor_proxy.rb', line 23

def run
  loop do
    connect
    start_reader
    start_handshake
    wait_for_reader   # run until disconnected
    break if reconnect_delay == false
  rescue Restart
    @logger.mute @ip, @port
    raise
  rescue RSMP::ConnectionError => e
    log e, level: :error
    break if reconnect_delay == false
  rescue StandardError => e
    notify_error e, level: :internal
    break if reconnect_delay == false
  ensure
    close
    stop_subtasks
  end
end

#send_active_alarms ⇒ Object 



136
137
138
139
140
141
142
143
144
145
 
# File 'lib/rsmp/supervisor_proxy.rb', line 136

def send_active_alarms
  @site.components.each_pair do |c_id,component|
    component.alarms.each_pair do |alarm_code, alarm_state|
      if alarm_state.active
        alarm = AlarmIssue.new( alarm_state.to_hash.merge('aSp' => 'Issue') )
        send_message alarm
      end
    end
  end
end

#send_aggregated_status(component, options = {}) ⇒ Object 



164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
 
# File 'lib/rsmp/supervisor_proxy.rb', line 164

def send_aggregated_status component, options={}
  m_id = options[:m_id] || RSMP::Message.make_m_id
  message = AggregatedStatus.new({
    "aSTS" => clock.to_s,
    "cId" =>  component.c_id,
    "fP" => nil,
    "fS" => nil,
    "se" => component.aggregated_status_bools,
    "mId" => m_id,
  })
  set_nts_message_attributes message
  send_and_optionally_collect message, options do |collect_options|
    Collector.new self, collect_options.merge(task:@task, type: 'MessageAck')
  end
end

#send_alarm(component, alarm, options = {}) ⇒ Object 



180
181
182
183
184
 
# File 'lib/rsmp/supervisor_proxy.rb', line 180

def send_alarm component, alarm, options={}
  send_and_optionally_collect alarm, options do |collect_options|
    Collector.new self, collect_options.merge(task:@task, type: 'MessageAck')
  end
end

#send_all_aggregated_status ⇒ Object 



128
129
130
131
132
133
134
 
# File 'lib/rsmp/supervisor_proxy.rb', line 128

def send_all_aggregated_status
  @site.components.each_pair do |c_id,component|
    if component.grouped
      send_aggregated_status component
    end
  end
end

#send_status_updates(update_list) ⇒ Object 



402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
 
# File 'lib/rsmp/supervisor_proxy.rb', line 402

def send_status_updates update_list
  now = clock.to_s
  update_list.each_pair do |component_id,by_code|
    component = @site.find_component component_id
    sS = []
    by_code.each_pair do |code,names|
      names.map do |status_name,value|
        if value
          quality = 'recent'
        else
          value,quality = component.get_status code, status_name
        end
        sS << { "sCI" => code,
                 "n" => status_name,
                 "s" => value.to_s,
                 "q" => quality }
      end
    end
    update = StatusUpdate.new({
      "cId"=>component_id,
      "sTs"=>now,
      "sS"=>sS
    })
    set_nts_message_attributes update
    send_message update
    store_last_sent_status update
  end
end

#simplify_command_requests(arg) ⇒ Object

reorganize rmsp command request arg attribute:

“cCI”:“M0002”,“cO”:“setPlan”,“n”:“status”,“v”:“True”,“cCI”:“M0002”,“cO”:“setPlan”,“n”:“securityCode”,“v”:“5678”,“cCI”:“M0002”,“cO”:“setPlan”,“n”:“timeplan”,“v”:“3”

into the simpler, but equivalent: “securityCode”=>“5678”, “timeplan”=>“3”}



232
233
234
235
236
237
238
239
 
# File 'lib/rsmp/supervisor_proxy.rb', line 232

def simplify_command_requests arg
  sorted = {}
  arg.each do |item|
    sorted[item['cCI']] ||= {}
    sorted[item['cCI']][item['n']] = item['v']
  end
  sorted
end

#start_handshake ⇒ Object 



45
46
47
 
# File 'lib/rsmp/supervisor_proxy.rb', line 45

def start_handshake
  send_version @site_settings['site_id'], @site_settings["rsmp_versions"]
end

#status_update_timer(now) ⇒ Object 



363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
 
# File 'lib/rsmp/supervisor_proxy.rb', line 363

def status_update_timer now
  update_list = {}
  # go through subscriptons and build a similarly organized list,
  # that only contains what should be send

  @status_subscriptions.each_pair do |component,by_code|
    component_object = @site.find_component component
    by_code.each_pair do |code,by_name|
      by_name.each_pair do |name,subscription|
        current = nil
        should_send = false
        if subscription[:interval] == 0
          # send as soon as the data changes
          if component_object
            current, age = *(component_object.get_status code, name)
            current = current.to_s
          end
          last_sent = fetch_last_sent_status component, code, name
          if current != last_sent
            should_send = true
          end
        else
          # send at regular intervals
          if subscription[:last_sent_at] == nil || (now - subscription[:last_sent_at]) >= subscription[:interval]
            should_send = true
          end
        end
        if should_send
          subscription[:last_sent_at] = now
          update_list[component] ||= {}
          update_list[component][code] ||= {}
          update_list[component][code][name] = current
       end
      end
    end
  end
  send_status_updates update_list
end

#stop_task ⇒ Object 



62
63
64
65
 
# File 'lib/rsmp/supervisor_proxy.rb', line 62

def stop_task
  super
  @last_status_sent = nil
end

#store_last_sent_status(message) ⇒ Object 



352
353
354
355
356
357
358
359
360
361
 
# File 'lib/rsmp/supervisor_proxy.rb', line 352

def store_last_sent_status message
  component_id = message.attribute('cId')
  @last_status_sent ||= {}
  @last_status_sent[component_id] ||= {}
  message.attribute('sS').each do |item|
    sCI, n, s = item['sCI'], item['n'], item['s']
    @last_status_sent[component_id][sCI] ||= {}
    @last_status_sent[component_id][sCI][n] = s
  end
end

#sxl_version ⇒ Object 



431
432
433
 
# File 'lib/rsmp/supervisor_proxy.rb', line 431

def sxl_version
  @site_settings['sxl_version']
end

#timer(now) ⇒ Object 



343
344
345
346
 
# File 'lib/rsmp/supervisor_proxy.rb', line 343

def timer now
  super
  status_update_timer now if ready?
end

#version_accepted(message) ⇒ Object 



156
157
158
159
160
161
162
 
# File 'lib/rsmp/supervisor_proxy.rb', line 156

def version_accepted message
  log "Received Version message, using RSMP #{@rsmp_version}", message: message, level: :log
  start_timer
  acknowledge message
  @version_determined = true
  send_watchdog
end