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Contents

# frozen_string_literal: true

require 'grpc_kit/interceptors'

module GrpcKit
  module Interceptors::Client
    class RequestResponse
      # @param interceptors [Array<GrpcKit::GRPC::ClientInterceptor>]
      def initialize(interceptors)
        @registry = GrpcKit::InterceptorRegistry.new(interceptors)
      end

      # @param call [GrpcKit::Calls::Client::RequestResponse]
      # @param metadata [Hash<String,String>]
      # @yieldreturn [Object] Response object server sent
      def intercept(request, call, metadata, &block)
        do_intercept(@registry.build, request, call, metadata, &block)
      end

      private

      def do_intercept(interceptors, request, call, metadata)
        if interceptors.empty?
          return yield
        end

        interceptor = interceptors.pop
        interceptor.request_response(request: request, call: call, method: call.method, metadata: metadata) do
          do_intercept(interceptors, request, call, metadata) do
            yield
          end
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version Path
grpc_kit-0.2.0 lib/grpc_kit/interceptors/client_request_response.rb