xref: /openbmc/phosphor-fan-presence/monitor/main.cpp (revision 14321846e57f483f472590b1c5fe35891511312f)
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 <phosphor-logging/log.hpp>
17 #include <sdbusplus/bus.hpp>
18 #include "fan.hpp"
19 #include "fan_defs.hpp"
20 
21 using namespace phosphor::fan::monitor;
22 using namespace phosphor::logging;
23 
24 
25 void EventDeleter(sd_event* event)
26 {
27     sd_event_unref(event);
28 }
29 
30 int main()
31 {
32     auto bus = sdbusplus::bus::new_default();
33     sd_event* events = nullptr;
34     std::vector<std::unique_ptr<Fan>> fans;
35 
36     auto r = sd_event_default(&events);
37     if (r < 0)
38     {
39         log<level::ERR>("Failed call to sd_event_default()",
40                         entry("ERROR=%s", strerror(-r)));
41         return -1;
42     }
43 
44     std::shared_ptr<sd_event> eventPtr{events, EventDeleter};
45 
46     //Attach the event object to the bus object so we can
47     //handle both sd_events (for the timers) and dbus signals.
48     bus.attach_event(eventPtr.get(), SD_EVENT_PRIORITY_NORMAL);
49 
50     for (const auto& fanDef : fanDefinitions)
51     {
52         fans.emplace_back(std::make_unique<Fan>(bus, eventPtr, fanDef));
53     }
54 
55     r = sd_event_loop(eventPtr.get());
56     if (r < 0)
57     {
58         log<level::ERR>("Failed call to sd_event_loop",
59                         entry("ERROR=%s", strerror(-r)));
60     }
61 
62     return -1;
63 }
64