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 <sdbusplus/bus.hpp>
17 #include <phosphor-logging/log.hpp>
18 #include "argument.hpp"
19 #include "manager.hpp"
20 #include "event.hpp"
21 #include "sdbusplus.hpp"
22 
23 using namespace phosphor::fan::control;
24 using namespace phosphor::logging;
25 
26 int main(int argc, char* argv[])
27 {
28     auto bus = sdbusplus::bus::new_default();
29     sd_event* events = nullptr;
30     phosphor::fan::util::ArgumentParser args(argc, argv);
31 
32     if (argc != 2)
33     {
34         args.usage(argv);
35         exit(-1);
36     }
37 
38     Mode mode;
39 
40     if (args["init"] == "true")
41     {
42         mode = Mode::init;
43     }
44     else if (args["control"] == "true")
45     {
46         mode = Mode::control;
47     }
48     else
49     {
50         args.usage(argv);
51         exit(-1);
52     }
53 
54     auto r = sd_event_default(&events);
55     if (r < 0)
56     {
57         log<level::ERR>("Failed call to sd_event_default()",
58                         entry("ERROR=%s", strerror(-r)));
59         return -1;
60     }
61 
62     phosphor::fan::event::EventPtr eventPtr{events};
63 
64     //Attach the event object to the bus object so we can
65     //handle both sd_events (for the timers) and dbus signals.
66     bus.attach_event(eventPtr.get(), SD_EVENT_PRIORITY_NORMAL);
67 
68     try
69     {
70         Manager manager(bus, eventPtr, mode);
71 
72         //Init mode will just set fans to max and delay
73         if (mode == Mode::init)
74         {
75             manager.doInit();
76             return 0;
77         }
78         else
79         {
80             r = sd_event_loop(eventPtr.get());
81             if (r < 0)
82             {
83                 log<level::ERR>("Failed call to sd_event_loop",
84                         entry("ERROR=%s", strerror(-r)));
85             }
86         }
87     }
88     //Log the useful metadata on these exceptions and let the app
89     //return -1 so it is restarted without a core dump.
90     catch (phosphor::fan::util::DBusServiceError& e)
91     {
92         log<level::ERR>("Uncaught DBus service lookup failure exception",
93                 entry("PATH=%s", e.path.c_str()),
94                 entry("INTERFACE=%s", e.interface.c_str()));
95     }
96     catch (phosphor::fan::util::DBusMethodError& e)
97     {
98         log<level::ERR>("Uncaught DBus method failure exception",
99                 entry("BUSNAME=%s", e.busName.c_str()),
100                 entry("PATH=%s", e.path.c_str()),
101                 entry("INTERFACE=%s", e.interface.c_str()),
102                 entry("METHOD=%s", e.method.c_str()));
103     }
104     catch (phosphor::fan::util::DBusPropertyError& e)
105     {
106         log<level::ERR>("Uncaught DBus property access failure exception",
107                 entry("BUSNAME=%s", e.busName.c_str()),
108                 entry("PATH=%s", e.path.c_str()),
109                 entry("INTERFACE=%s", e.interface.c_str()),
110                 entry("PROPERTY=%s", e.property.c_str()));
111     }
112 
113     return -1;
114 }
115