1 /**
2 * Copyright © 2017 IBM Corporation
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 "evdevpp/evdev.hpp"
18
19 #include <CLI/CLI.hpp>
20 // TODO https://github.com/openbmc/phosphor-fan-presence/issues/22
21 // #include "sdevent/event.hpp"
22 // #include "sdevent/io.hpp"
23 #include "utility.hpp"
24
25 #include <algorithm>
26 #include <cassert>
27 #include <iostream>
28 #include <iterator>
29 #include <memory>
30
main(int argc,char * argv[])31 int main(int argc, char* argv[])
32 {
33 CLI::App app{"evmon utility"};
34
35 std::string path{};
36 std::string stype{};
37 std::string scode{};
38
39 app.add_option("-p,--path", path, "evdev devpath")->required();
40 app.add_option("-t,--type", stype, "evdev type")->required();
41 app.add_option("-c,--code", scode, "evdev code")->required();
42
43 try
44 {
45 app.parse(argc, argv);
46 }
47 catch (const CLI::Error& e)
48 {
49 return app.exit(e);
50 }
51
52 unsigned int type = EV_KEY;
53 if (!stype.empty())
54 {
55 type = stoul(stype);
56 }
57
58 // TODO https://github.com/openbmc/phosphor-fan-presence/issues/22
59 // auto loop = sdevent::event::newDefault();
60 phosphor::fan::util::FileDescriptor fd(
61 open(path.c_str(), O_RDONLY | O_NONBLOCK));
62 auto evdev = evdevpp::evdev::newFromFD(fd());
63 // sdevent::event::io::IO callback(loop, fd(), [&evdev](auto& s) {
64 // unsigned int type, code, value;
65 // std::tie(type, code, value) = evdev.next();
66 // std::cout << "type: " << libevdev_event_type_get_name(type)
67 // << " code: " << libevdev_event_code_get_name(type, code)
68 // << " value: " << value << "\n";
69 // });
70
71 auto value = evdev.fetch(type, stoul(scode));
72 std::cout << "type: " << libevdev_event_type_get_name(type)
73 << " code: " << libevdev_event_code_get_name(type, stoul(scode))
74 << " value: " << value << "\n";
75
76 // loop.loop();
77
78 return 0;
79 }
80