1 /**
2 * Copyright 2017 Google Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "lpcsnoop/snoop_listen.hpp"
18
19 #include <cinttypes>
20 #include <cstdio>
21 #include <iostream>
22 #include <memory>
23
24 /* Example PostCode handler which simply prints them */
printPostcode(FILE *,postcode_t postcode)25 static void printPostcode(FILE*, postcode_t postcode)
26 {
27 /* Print output to verify the example program is receiving values. */
28 std::printf("recv: 0x%" PRIx64 "\n",
29 std::get<primary_post_code_t>(postcode));
30 }
31
32 /*
33 * One can also specify custom handler that operates on
34 * sdbusplus::message_t type and pass them to constructor.
35 * e.g.
36 *
37 * static void PrintMessageMap(sdbusplus::message_t& m)
38 * {
39 * std::string messageBusName;
40 * std::map<std::string, std::variant<uint64_t>> messageData;
41 *
42 * m.read(messageBusName, messageData);
43 *
44 * std::cout << "Got message from " << messageBusName << std::endl;
45 * for (const auto& kv : messageData)
46 * {
47 * std::cout << "Key: " << kv.first << std::endl;
48 * std::cout << "Value: " << get<uint64_t>(kv.second) << std::endl;
49 * }
50 * }
51 *
52 * lpcsnoop::SnoopListen snoop(ListenBus, PrintMessageMap);
53 */
54
55 /*
56 * This is the entry point for the application.
57 *
58 * This application simply creates an object that registers for incoming value
59 * updates for the POST code dbus object.
60 */
main()61 int main()
62 {
63 auto ListenBus = sdbusplus::bus::new_default();
64 lpcsnoop::SnoopListen snoop(ListenBus, printPostcode);
65
66 while (true)
67 {
68 ListenBus.process_discard();
69 ListenBus.wait();
70 }
71
72 return 0;
73 }
74