Initial checkin of gRPC to third_party/

third_party/grpc/src/ruby/bin/noproto_server.rb

+#!/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 app that helps validate RpcServer without protobuf serialization.
+#
+# Usage: $ path/to/noproto_server.rb
+
+this_dir = File.expand_path(File.dirname(__FILE__))
+lib_dir = File.join(File.dirname(this_dir), 'lib')
+$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
+
+require 'grpc'
+require 'optparse'
+
+# a simple non-protobuf message class.
+class NoProtoMsg
+  def self.marshal(_o)
+    ''
+  end
+
+  def self.unmarshal(_o)
+    NoProtoMsg.new
+  end
+end
+
+# service the uses the non-protobuf message class.
+class NoProtoService
+  include GRPC::GenericService
+  rpc :AnRPC, NoProtoMsg, NoProtoMsg
+end
+
+# an implementation of the non-protobuf service.
+class NoProto < NoProtoService
+  def initialize(_default_var = 'ignored')
+  end
+
+  def an_rpc(req, _call)
+    GRPC.logger.info('echo service received a request')
+    req
+  end
+end
+
+def load_test_certs
+  this_dir = File.expand_path(File.dirname(__FILE__))
+  data_dir = File.join(File.dirname(this_dir), 'spec/testdata')
+  files = ['ca.pem', 'server1.key', 'server1.pem']
+  files.map { |f| File.open(File.join(data_dir, f)).read }
+end
+
+def test_server_creds
+  certs = load_test_certs
+  GRPC::Core::ServerCredentials.new(
+    nil, [{ private_key: certs[1], cert_chain: certs[2] }], false)
+end
+
+def main
+  options = {
+    'host' => 'localhost:9090',
+    'secure' => false
+  }
+  OptionParser.new do |opts|
+    opts.banner = 'Usage: [--host <hostname>:<port>] [--secure|-s]'
+    opts.on('--host HOST', '<hostname>:<port>') do |v|
+      options['host'] = v
+    end
+    opts.on('-s', '--secure', 'access using test creds') do |v|
+      options['secure'] = v
+    end
+  end.parse!
+
+  s = GRPC::RpcServer.new
+  if options['secure']
+    s.add_http2_port(options['host'], test_server_creds)
+    GRPC.logger.info("... running securely on #{options['host']}")
+  else
+    s.add_http2_port(options['host'], :this_port_is_insecure)
+    GRPC.logger.info("... running insecurely on #{options['host']}")
+  end
+
+  s.handle(NoProto)
+  s.run_till_terminated
+end
+
+main