1 /**
2  * Copyright © 2016 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 <systemd/sd-event.h>
17 #include <phosphor-logging/log.hpp>
18 #include "softoff.hpp"
19 #include "config.h"
20 #include "timer.hpp"
21 
22 using namespace phosphor::logging;
23 
24 int main(int argc, char** argv)
25 {
26     // systemd event handler
27     sd_event* events = nullptr;
28 
29     // Get a handle to system dbus.
30     auto bus = sdbusplus::bus::new_default();
31 
32     // Add systemd object manager.
33     sdbusplus::server::manager::manager(bus, SOFTOFF_OBJPATH);
34 
35     // sd_event object
36     auto r = sd_event_default(&events);
37     if (r < 0)
38     {
39         log<level::ERR>("Failure to create sd_event handler",
40                 entry("ERROR=%s", strerror(-r)));
41         return -1;
42     }
43 
44     // Attach the bus to sd_event to service user requests
45     bus.attach_event(events, SD_EVENT_PRIORITY_NORMAL);
46 
47     // Create the SoftPowerOff object.
48     phosphor::ipmi::SoftPowerOff powerObj(bus, events, SOFTOFF_OBJPATH);
49 
50     /** @brief Claim the bus */
51     bus.request_name(SOFTOFF_BUSNAME);
52 
53     /** @brief Wait for client requests until this application has processed
54      *         at least one successful SoftPowerOff
55      */
56     while(!powerObj.isCompleted() && !powerObj.isTimerExpired())
57     {
58         // -1 denotes wait for ever
59         r = sd_event_run(events, (uint64_t)-1);
60         if (r < 0)
61         {
62             log<level::ERR>("Failure in processing request",
63                     entry("ERROR=%s", strerror(-r)));
64             break;
65         }
66     }
67 
68     // Cleanup the event handler
69     events = sd_event_unref(events);
70 
71     return 0;
72 }
73