1 #include "dbusUtils.hpp"
2 
3 #include <xyz/openbmc_project/ObjectMapper/common.hpp>
4 
5 const char* propIntf = "org.freedesktop.DBus.Properties";
6 const char* mapperBusName = "xyz.openbmc_project.ObjectMapper";
7 const char* mapperPath = "/xyz/openbmc_project/object_mapper";
8 const char* mapperIntf =
9     sdbusplus::common::xyz::openbmc_project::ObjectMapper::interface;
10 
11 const char* methodGetObject = "GetObject";
12 const char* methodGet = "Get";
13 const char* methodSet = "Set";
14 
15 using namespace sdbusplus::xyz::openbmc_project::Common::Error;
16 
17 std::string getService(sdbusplus::bus_t& bus, const std::string& path,
18                        const char* intf)
19 {
20     /* Get mapper object for sensor path */
21     auto mapper = bus.new_method_call(mapperBusName, mapperPath, mapperIntf,
22                                       methodGetObject);
23 
24     mapper.append(path.c_str());
25     mapper.append(std::vector<std::string>({intf}));
26 
27     std::unordered_map<std::string, std::vector<std::string>> resp;
28 
29     try
30     {
31         auto msg = bus.call(mapper);
32         msg.read(resp);
33     }
34     catch (const sdbusplus::exception_t& ex)
35     {
36         if (ex.name() == std::string(sdbusplus::xyz::openbmc_project::Common::
37                                          Error::ResourceNotFound::errName))
38         {
39             // The service isn't on D-Bus yet.
40             return std::string{};
41         }
42         else if (ex.name() == std::string("org.freedesktop.DBus.Error.Timeout"))
43         {
44             lg2::info("Mapper timeout while looking up {PATH}", "PATH", path);
45             return std::string{};
46         }
47 
48         throw;
49     }
50 
51     if (resp.begin() == resp.end())
52     {
53         // Shouldn't happen, if the mapper can't find it it is handled above.
54         throw std::runtime_error("Unable to find Object: " + path);
55     }
56 
57     return resp.begin()->first;
58 }
59 
60 int setDbusProperty(sdbusplus::bus_t& bus, const std::string& service,
61                     const std::string& path, const std::string& intf,
62                     const std::string& property, const Value& value)
63 {
64     try
65     {
66         auto method = bus.new_method_call(service.c_str(), path.c_str(),
67                                           propIntf, methodSet);
68         method.append(intf, property, value);
69         auto msg = bus.call(method);
70     }
71     catch (const sdbusplus::exception_t& e)
72     {
73         lg2::error(
74             "Faild to set dbus property. service:{SERVICE} path:{PATH} intf:{INTF} Property:{PROP},{ERROR}",
75             "SERVICE", service, "PATH", path, "INTF", intf, "PROP", property,
76             "ERROR", e);
77         return -1;
78     }
79 
80     return 0;
81 }
82