Class: Steep::Server::BaseWorker

Inherits:
Object
  • Object
show all
Defined in:
lib/steep/server/base_worker.rb

Direct Known Subclasses

InteractionWorker, TypeCheckWorker

Constant Summary collapse

LSP = 
LanguageServer::Protocol
ShutdownJob = 
_ = Struct.new(:id, keyword_init: true)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(project:, reader:, writer:) ⇒ BaseWorker

Returns a new instance of BaseWorker.



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# File 'lib/steep/server/base_worker.rb', line 11

def initialize(project:, reader:, writer:)
  @project = project
  @reader = reader
  @writer = writer
  @skip_job = false
  @shutdown = false
  @skip_jobs_after_shutdown = false
end

Instance Attribute Details

#project ⇒ Object (readonly)

Returns the value of attribute project.



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# File 'lib/steep/server/base_worker.rb', line 6

def project
  @project
end

#queue ⇒ Object (readonly)

Returns the value of attribute queue.



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# File 'lib/steep/server/base_worker.rb', line 7

def queue
  @queue
end

#reader ⇒ Object (readonly)

Returns the value of attribute reader.



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# File 'lib/steep/server/base_worker.rb', line 7

def reader
  @reader
end

#writer ⇒ Object (readonly)

Returns the value of attribute writer.



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# File 'lib/steep/server/base_worker.rb', line 7

def writer
  @writer
end

Instance Method Details

#handle_job(job) ⇒ Object 



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# File 'lib/steep/server/base_worker.rb', line 36

def handle_job(job)
  # process async job
end

#handle_request(request) ⇒ Object 



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# File 'lib/steep/server/base_worker.rb', line 32

def handle_request(request)
  # process request
end

#run ⇒ Object 



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# File 'lib/steep/server/base_worker.rb', line 40

def run
  tags = Steep.logger.current_tags.dup
  thread = Thread.new do
    Thread.current.abort_on_exception = true

    Steep.logger.push_tags(*tags)
    Steep.logger.tagged "background" do
      while job = queue.pop
        case job
        when ShutdownJob
          writer.write(id: job.id, result: nil)
        else
          if skip_job?
            Steep.logger.info "Skipping job..."
          else
            begin
              handle_job(job)
            rescue => exn
              Steep.log_error exn
              writer.write(
                {
                  method: "window/showMessage",
                  params: {
                    type: LSP::Constant::MessageType::ERROR,
                    message: "Unexpected error: #{exn.message} (#{exn.class})"
                  }
                }
              )
            end
          end
        end
      end
    end
  end

  Steep.logger.tagged "frontend" do
    begin
      reader.read do |request|
        Steep.logger.info "Received message from master: #{request[:method]}(#{request[:id]})"
        case request[:method]
        when "shutdown"
          queue << ShutdownJob.new(id: request[:id])
          @skip_job = skip_jobs_after_shutdown?
          queue.close
        when "exit"
          break
        else
          handle_request(request) unless @shutdown
        end
      end
    ensure
      thread.join
    end
  end
end

#skip_job? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/steep/server/base_worker.rb', line 28

def skip_job?
  @skip_job
end

#skip_jobs_after_shutdown!(flag = true) ⇒ Object 



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# File 'lib/steep/server/base_worker.rb', line 20

def skip_jobs_after_shutdown!(flag = true)
  @skip_jobs_after_shutdown = flag
end

#skip_jobs_after_shutdown? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/steep/server/base_worker.rb', line 24

def skip_jobs_after_shutdown?
  @skip_jobs_after_shutdown
end