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1 | # |
2 | # Licensed to the Apache Software Foundation (ASF) under one | |
3 | # or more contributor license agreements. See the NOTICE file | |
4 | # distributed with this work for additional information | |
5 | # regarding copyright ownership. The ASF licenses this file | |
6 | # to you under the Apache License, Version 2.0 (the | |
7 | # "License"); you may not use this file except in compliance | |
8 | # with the License. You may obtain a copy of the License at | |
9 | # | |
10 | # http://www.apache.org/licenses/LICENSE-2.0 | |
11 | # | |
12 | # Unless required by applicable law or agreed to in writing, | |
13 | # software distributed under the License is distributed on an | |
14 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
15 | # KIND, either express or implied. See the License for the | |
16 | # specific language governing permissions and limitations | |
17 | # under the License. | |
18 | # | |
19 | ||
20 | module Thrift | |
21 | module Client | |
22 | def initialize(iprot, oprot=nil) | |
23 | @iprot = iprot | |
24 | @oprot = oprot || iprot | |
25 | @seqid = 0 | |
26 | end | |
27 | ||
28 | def send_message(name, args_class, args = {}) | |
29 | @oprot.write_message_begin(name, MessageTypes::CALL, @seqid) | |
30 | send_message_args(args_class, args) | |
31 | end | |
32 | ||
33 | def send_oneway_message(name, args_class, args = {}) | |
34 | @oprot.write_message_begin(name, MessageTypes::ONEWAY, @seqid) | |
35 | send_message_args(args_class, args) | |
36 | end | |
37 | ||
38 | def send_message_args(args_class, args) | |
39 | data = args_class.new | |
40 | args.each do |k, v| | |
41 | data.send("#{k.to_s}=", v) | |
42 | end | |
43 | begin | |
44 | data.write(@oprot) | |
45 | rescue StandardError => e | |
46 | @oprot.trans.close | |
47 | raise e | |
48 | end | |
49 | @oprot.write_message_end | |
50 | @oprot.trans.flush | |
51 | end | |
52 | ||
53 | def receive_message(result_klass) | |
54 | fname, mtype, rseqid = @iprot.read_message_begin | |
55 | handle_exception(mtype) | |
56 | result = result_klass.new | |
57 | result.read(@iprot) | |
58 | @iprot.read_message_end | |
59 | result | |
60 | end | |
61 | ||
62 | def handle_exception(mtype) | |
63 | if mtype == MessageTypes::EXCEPTION | |
64 | x = ApplicationException.new | |
65 | x.read(@iprot) | |
66 | @iprot.read_message_end | |
67 | raise x | |
68 | end | |
69 | end | |
70 | end | |
71 | end |