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 #include <iostream>
17 #include <phosphor-logging/log.hpp>
18 #include <systemd/sd-daemon.h>
19 #include "argument.hpp"
20 #include "event.hpp"
21 #include "power_supply.hpp"
22 #include "device_monitor.hpp"
23 
24 using namespace witherspoon::power;
25 using namespace phosphor::logging;
26 
27 int main(int argc, char* argv[])
28 {
29     auto options = ArgumentParser(argc, argv);
30 
31     auto objpath = (options)["path"];
32     auto instnum = (options)["instance"];
33     auto invpath = (options)["inventory"];
34     if (argc < 4)
35     {
36         std::cerr << std::endl << "Too few arguments" << std::endl;
37         options.usage(argv);
38         return -1;
39     }
40 
41     if (objpath == ArgumentParser::emptyString)
42     {
43         log<level::ERR>("Device monitoring path argument required");
44         return -2;
45     }
46 
47     if (instnum == ArgumentParser::emptyString)
48     {
49         log<level::ERR>("Device monitoring instance number argument required");
50         return -3;
51     }
52 
53     if (invpath == ArgumentParser::emptyString)
54     {
55         log<level::ERR>("Device monitoring inventory path argument required");
56         return -4;
57     }
58 
59     auto bus = sdbusplus::bus::new_default();
60 
61     auto objname = "power_supply" + instnum;
62     auto instance = std::stoul(instnum);
63     auto psuDevice = std::make_unique<psu::PowerSupply>(objname,
64                                                         std::move(instance),
65                                                         std::move(objpath),
66                                                         std::move(invpath),
67                                                         bus);
68 
69     sd_event* events = nullptr;
70 
71     auto r = sd_event_default(&events);
72     if (r < 0)
73     {
74         log<level::ERR>("Failed call to sd_event_default()",
75                         entry("ERROR=%s", strerror(-r)));
76         return -5;
77     }
78 
79     witherspoon::power::event::Event eventPtr{events};
80 
81     //Attach the event object to the bus object so we can
82     //handle both sd_events (for the timers) and dbus signals.
83     bus.attach_event(eventPtr.get(), SD_EVENT_PRIORITY_NORMAL);
84 
85     //Attach the event object to the bus object so we can
86     //handle both sd_events (for the timers) and dbus signals.
87     bus.attach_event(eventPtr.get(), SD_EVENT_PRIORITY_NORMAL);
88 
89     // TODO: Get power state on startup.
90 
91     auto pollInterval = std::chrono::milliseconds(1000);
92     DeviceMonitor mainloop(std::move(psuDevice), eventPtr, pollInterval);
93     mainloop.run();
94 
95     return 0;
96 }
97