1#!/usr/bin/env ruby 2 3# Copyright 2015 gRPC authors. 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16 17# Sample gRPC server that implements the EchoWithoutProtobuf service. 18# 19# Usage: $ path/to/echo_server.rb 20 21this_dir = File.expand_path(File.dirname(__FILE__)) 22$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir) 23 24require 'grpc' 25require 'echo_services_noprotobuf' 26 27# EchoServer is simple server that implements the EchoWithoutProtobuf server. 28class EchoServer < EchoWithoutProtobuf::Service 29 # echo implements the EchoWithoutProtobuf 'Echo' rpc method. 30 def echo(echo_req, _unused_call) 31 echo_req 32 end 33end 34 35# main starts an RpcServer that receives requests to EchoWithoutProtobuf at the sample 36# server port. 37def main 38 s = GRPC::RpcServer.new 39 s.add_http2_port('0.0.0.0:50051', :this_port_is_insecure) 40 s.handle(EchoServer) 41 s.run_till_terminated 42end 43 44main 45