#!/usr/bin/env ruby # Copyright 2015, Google Inc. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # Sample gRPC server that implements the Greeter::Helloworld service. # # Usage: $ path/to/greeter_server.rb this_dir = File.expand_path(File.dirname(__FILE__)) lib_dir = File.join(this_dir, 'lib') $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir) require 'grpc' require 'helloworld_services' # GreeterServer is simple server that implements the Helloworld Greeter server. class GreeterServer < Helloworld::Greeter::Service # say_hello implements the SayHello rpc method. def say_hello(hello_req, _unused_call) Helloworld::HelloReply.new(message: "Hello #{hello_req.name}") end end # main starts an RpcServer that receives requests to GreeterServer at the sample # server port. def main s = GRPC::RpcServer.new s.add_http2_port('0.0.0.0:50051', :this_port_is_insecure) s.handle(GreeterServer) s.run_till_terminated end main