Class: OpenC3::TriggerGroupManager

Inherits:
Object
  • Object
show all
Defined in:
lib/openc3/microservices/trigger_group_microservice.rb

Overview

The trigger manager starts a thread pool and subscribes to the telemetry decom topic. It adds the “packet” to the thread pool queue and the thread will evaluate the “trigger”.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name:, logger:, scope:, group:, share:) ⇒ TriggerGroupManager

Returns a new instance of TriggerGroupManager.



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 502

def initialize(name:, logger:, scope:, group:, share:)
  @name = name
  @logger = logger
  @scope = scope
  @group = group
  @share = share
  @worker_count = 3
  @queue = Queue.new
  @read_topic = true
  @topics = []
  @thread_pool = nil
  @cancel_thread = false
end

Instance Attribute Details

#group ⇒ Object (readonly)

Returns the value of attribute group.



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 500

def group
  @group
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 500

def name
  @name
end

#scope ⇒ Object (readonly)

Returns the value of attribute scope.



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 500

def scope
  @scope
end

#share ⇒ Object (readonly)

Returns the value of attribute share.



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 500

def share
  @share
end

#thread_pool ⇒ Object (readonly)

Returns the value of attribute thread_pool.



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 500

def thread_pool
  @thread_pool
end

#topics ⇒ Object (readonly)

Returns the value of attribute topics.



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 500

def topics
  @topics
end

Instance Method Details

#block_for_updates ⇒ Object 



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 558

def block_for_updates
  @read_topic = true
  while @read_topic
    begin
      Topic.read_topics(@topics) do |topic, _msg_id, msg_hash, _redis|
        @logger.debug "TriggerGroupManager block_for_updates: #{topic} #{msg_hash}"
        if topic != @share.trigger_base.autonomic_topic
          packet = JsonPacket.new(:TLM, msg_hash['target_name'], msg_hash['packet_name'], msg_hash['time'].to_i, false, msg_hash["json_data"])
          @share.packet_base.add(topic: topic, packet: packet)
        end
        @queue << "#{topic}"
      end
    rescue StandardError => e
      @logger.error "TriggerGroupManager failed to read topics #{@topics}\n#{e.formatted}"
    end
  end
end

#generate_thread_pool ⇒ Object 



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 516

def generate_thread_pool()
  thread_pool = []
  @worker_count.times do | i |
    worker = TriggerGroupWorker.new(
      name: @name,
      logger: @logger,
      scope: @scope,
      group: @group,
      queue: @queue,
      share: @share,
      ident: i,
    )
    thread_pool << Thread.new { worker.run }
  end
  return thread_pool
end

#refresh ⇒ Object 



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 576

def refresh
  @read_topic = false
end

#run ⇒ Object 



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 533

def run
  @logger.info "TriggerGroupManager running"
  @thread_pool = generate_thread_pool()
  loop do
    begin
      update_topics()
    rescue StandardError => e
      @logger.error "TriggerGroupManager failed to update topics.\n#{e.formatted}"
    end
    break if @cancel_thread
    block_for_updates()
    break if @cancel_thread
  end
  @logger.info "TriggerGroupManager exiting"
end

#shutdown ⇒ Object 



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 580

def shutdown
  @read_topic = false
  @cancel_thread = true
  @worker_count.times do | _i |
    @queue << nil
  end
end

#update_topics ⇒ Object 



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# File 'lib/openc3/microservices/trigger_group_microservice.rb', line 549

def update_topics
  past_topics = @topics
  @topics = @share.trigger_base.topics()
  @logger.debug "TriggerGroupManager past_topics: #{past_topics} topics: #{@topics}"
  (past_topics - @topics).each do | removed_topic |
    @share.packet_base.remove(topic: removed_topic)
  end
end