Class: Eywa::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/eywa.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Client

Returns a new instance of Client.



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# File 'lib/eywa.rb', line 16

def initialize
  @rpc_callbacks = {}
  @handlers = {}
  @mutex = Mutex.new
end

Instance Method Details

#close_task(status = SUCCESS) ⇒ Object 



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# File 'lib/eywa.rb', line 129

def close_task(status = SUCCESS)
  send_notification(
    'method' => 'task.close',
    'params' => {
      'status' => status
    }
  )

  exit(status == SUCCESS ? 0 : 1)
end

#debug(message, data = nil) ⇒ Object 



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# File 'lib/eywa.rb', line 106

def debug(message, data = nil)
  log(event: 'DEBUG', message: message, data: data)
end

#error(message, data = nil) ⇒ Object 



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# File 'lib/eywa.rb', line 98

def error(message, data = nil)
  log(event: 'ERROR', message: message, data: data)
end

#exception(message, data = nil) ⇒ Object 



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# File 'lib/eywa.rb', line 114

def exception(message, data = nil)
  log(event: 'EXCEPTION', message: message, data: data)
end

#get_task ⇒ Object 



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# File 'lib/eywa.rb', line 149

def get_task
  send_request('method' => 'task.get')
end

#graphql(query, variables = nil) ⇒ Object 



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# File 'lib/eywa.rb', line 158

def graphql(query, variables = nil)
  send_request(
    'method' => 'eywa.datasets.graphql',
    'params' => {
      'query' => query,
      'variables' => variables
    }
  )
end

#info(message, data = nil) ⇒ Object 



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# File 'lib/eywa.rb', line 94

def info(message, data = nil)
  log(event: 'INFO', message: message, data: data)
end

#log(event: 'INFO', message:, data: nil, duration: nil, coordinates: nil, time: Time.now) ⇒ Object 



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# File 'lib/eywa.rb', line 80

def log(event: 'INFO', message:, data: nil, duration: nil, coordinates: nil, time: Time.now)
  send_notification(
    'method' => 'task.log',
    'params' => {
      'time' => time.iso8601,
      'event' => event,
      'message' => message,
      'data' => data,
      'coordinates' => coordinates,
      'duration' => duration
    }
  )
end

#open_pipe ⇒ Object 



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# File 'lib/eywa.rb', line 22

def open_pipe
  Thread.new do
    while (line = STDIN.gets)
      begin
        json = JSON.parse(line)
        handle_data(json)
      rescue JSON::ParserError => e
        STDERR.puts("Failed to parse JSON: #{e.message}")
      rescue => e
        STDERR.puts("Error handling data: #{e.message}")
      end
    end
  end
end

#register_handler(method, &handler) ⇒ Object 



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# File 'lib/eywa.rb', line 74

def register_handler(method, &handler)
  @mutex.synchronize do
    @handlers[method] = handler
  end
end

#report(message, data = nil, image = nil) ⇒ Object 



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# File 'lib/eywa.rb', line 118

def report(message, data = nil, image = nil)
  send_notification(
    'method' => 'task.report',
    'params' => {
      'message' => message,
      'data' => data,
      'image' => image
    }
  )
end

#return_task ⇒ Object 



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# File 'lib/eywa.rb', line 153

def return_task
  send_notification('method' => 'task.return')
  exit(0)
end

#send_notification(data) ⇒ Object 



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# File 'lib/eywa.rb', line 68

def send_notification(data)
  data['jsonrpc'] = '2.0'
  STDOUT.puts(data.to_json)
  STDOUT.flush
end

#send_request(data) ⇒ Object 



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# File 'lib/eywa.rb', line 37

def send_request(data)
  id = SecureRandom.uuid
  data['jsonrpc'] = '2.0'
  data['id'] = id

  # Create a queue for this request
  queue = Queue.new
  
  @mutex.synchronize do
    @rpc_callbacks[id] = queue
  end

  # Send the request
  STDOUT.puts(data.to_json)
  STDOUT.flush

  # Wait for response in a thread
  Thread.new do
    response = queue.pop
    @mutex.synchronize do
      @rpc_callbacks.delete(id)
    end
    
    if response['error']
      raise StandardError.new(response['error']['message'] || response['error'].to_s)
    else
      response['result']
    end
  end
end

#trace(message, data = nil) ⇒ Object 



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# File 'lib/eywa.rb', line 110

def trace(message, data = nil)
  log(event: 'TRACE', message: message, data: data)
end

#update_task(status = PROCESSING) ⇒ Object 



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# File 'lib/eywa.rb', line 140

def update_task(status = PROCESSING)
  send_notification(
    'method' => 'task.update',
    'params' => {
      'status' => status
    }
  )
end

#warn(message, data = nil) ⇒ Object 



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# File 'lib/eywa.rb', line 102

def warn(message, data = nil)
  log(event: 'WARN', message: message, data: data)
end