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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 | module async_client; | |
20 | ||
21 | import std.exception; | |
22 | import std.stdio; | |
23 | import thrift.async.libevent; | |
24 | import thrift.async.socket; | |
25 | import thrift.base; | |
26 | import thrift.codegen.async_client; | |
27 | import thrift.protocol.binary; | |
28 | import thrift.transport.buffered; | |
29 | ||
30 | import tutorial.Calculator; | |
31 | import tutorial.tutorial_types; | |
32 | ||
33 | void main() { | |
34 | auto asyncManager = new TLibeventAsyncManager; | |
35 | ||
36 | // If we are done, gracefully stop the async manager to avoid hanging on | |
37 | // appplication shutdown. | |
38 | scope (exit) asyncManager.stop(); | |
39 | ||
40 | auto socket = new TAsyncSocket(asyncManager, "localhost", 9090); | |
41 | auto client = new TAsyncClient!Calculator( | |
42 | socket, | |
43 | new TBufferedTransportFactory, | |
44 | new TBinaryProtocolFactory!TBufferedTransport | |
45 | ); | |
46 | ||
47 | socket.open(); | |
48 | ||
49 | // Invoke all the methods. | |
50 | auto pingResult = client.ping(); | |
51 | ||
52 | auto addResult = client.add(1, 1); | |
53 | ||
54 | auto work = Work(); | |
55 | work.op = Operation.DIVIDE; | |
56 | work.num1 = 1; | |
57 | work.num2 = 0; | |
58 | auto quotientResult = client.calculate(1, work); | |
59 | ||
60 | work.op = Operation.SUBTRACT; | |
61 | work.num1 = 15; | |
62 | work.num2 = 10; | |
63 | auto diffResult = client.calculate(1, work); | |
64 | ||
65 | auto logResult = client.getStruct(1); | |
66 | ||
67 | // Await the responses. | |
68 | pingResult.waitGet(); | |
69 | writeln("ping()"); | |
70 | ||
71 | int sum = addResult.waitGet(); | |
72 | writefln("1 + 1 = %s", sum); | |
73 | ||
74 | try { | |
75 | quotientResult.waitGet(); | |
76 | writeln("Whoa we can divide by 0"); | |
77 | } catch (InvalidOperation io) { | |
78 | writeln("Invalid operation: " ~ io.why); | |
79 | } | |
80 | ||
81 | writefln("15 - 10 = %s", diffResult.waitGet()); | |
82 | ||
83 | // TFuture is implicitly convertible to the result type via »alias this«, | |
84 | // for which it (eagerly, of course) awaits completion. | |
85 | writefln("Check log: %s", logResult.value); | |
86 | } |