Module: Saorin::Server::Base

Includes:
Formatter
Included in:
Rack
Defined in:
lib/saorin/server/base.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Formatter

#default_formatter, #formatter

Instance Attribute Details

#allowed_methods ⇒ Object (readonly)

Returns the value of attribute allowed_methods.



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# File 'lib/saorin/server/base.rb', line 12

def allowed_methods
  @allowed_methods
end

#handler ⇒ Object (readonly)

Returns the value of attribute handler.



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# File 'lib/saorin/server/base.rb', line 12

def handler
  @handler
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/saorin/server/base.rb', line 13

def options
  @options
end

Instance Method Details

#dispatch_request(request) ⇒ Object 



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# File 'lib/saorin/server/base.rb', line 76

def dispatch_request(request)
  method = request.method.to_s
  params = request.params || []

  unless @allowed_methods.include?(method) && @handler.respond_to?(method)
    raise Saorin::MethodNotFound
  end

  begin
    if params.is_a?(::Hash)
      @handler.__send__ method, params
    else
      @handler.__send__ method, *params
    end
  rescue Saorin::RPCError
    raise
  rescue ArgumentError
    raise Saorin::InvalidParams
  rescue Exception => e
    raise Saorin::ServerError, e
  end
end

#dispatch_request_with_trap_notification(request) ⇒ Object 



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# File 'lib/saorin/server/base.rb', line 69

def dispatch_request_with_trap_notification(request)
  result = dispatch_request request
  Response.new(:result => result, :id => request.id)
ensure
  return nil if request.notify?
end

#dump_response(response) ⇒ Object 



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# File 'lib/saorin/server/base.rb', line 49

def dump_response(response)
  formatter.dump response
end

#handle_request(hash) ⇒ Object 



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# File 'lib/saorin/server/base.rb', line 53

def handle_request(hash)
  begin
    request = Request.from_hash(hash)
    request.validate
    dispatch_request_with_trap_notification request
  rescue Saorin::InvalidRequest => e
    Response.new(:error => e)
  rescue Saorin::Error => e
    Response.new(:error => e, :id => request.id)
  rescue Exception => e
    options = {:error => Saorin::InternalError.new}
    options[:id] = request.id if request
    Response.new(options)
  end
end

#initialize(handler, options = {}) ⇒ Object 



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# File 'lib/saorin/server/base.rb', line 15

def initialize(handler, options = {})
  @handler = handler
  @allowed_methods = options[:allowed_methods] || handler.public_methods(false)
  @allowed_methods.map! { |m| m.to_s }
  @options = options
end

#parse_request(content) ⇒ Object 



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# File 'lib/saorin/server/base.rb', line 43

def parse_request(content)
  formatter.load content
rescue
  raise Saorin::ParseError
end

#process_request(content) ⇒ Object 



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# File 'lib/saorin/server/base.rb', line 25

def process_request(content)
  response = begin
               request = parse_request content
               if request.is_a?(::Array)
                 raise Saorin::InvalidRequest if request.empty?
                 responses = request.map { |req| handle_request(req) }
                 responses.compact!
                 responses.empty? ? nil : responses
               else
                 handle_request(request)
               end
             rescue Saorin::Error => e
               Response.new(:error => e)
             end

  dump_response response if response
end

#shutdown ⇒ Object 



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# File 'lib/saorin/server/base.rb', line 22

def shutdown
end