1 /** 2 * Copyright © 2018 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 "dbus.hpp" 17 18 #include <phosphor-logging/log.hpp> 19 20 namespace ibm 21 { 22 namespace logging 23 { 24 25 constexpr auto MAPPER_BUSNAME = "xyz.openbmc_project.ObjectMapper"; 26 constexpr auto MAPPER_PATH = "/xyz/openbmc_project/object_mapper"; 27 constexpr auto MAPPER_IFACE = "xyz.openbmc_project.ObjectMapper"; 28 constexpr auto PROPERTY_IFACE = "org.freedesktop.DBus.Properties"; 29 30 using namespace phosphor::logging; 31 32 ObjectValueTree getManagedObjects(sdbusplus::bus::bus& bus, 33 const std::string& service, 34 const std::string& objPath) 35 { 36 ObjectValueTree interfaces; 37 38 auto method = bus.new_method_call(service.c_str(), objPath.c_str(), 39 "org.freedesktop.DBus.ObjectManager", 40 "GetManagedObjects"); 41 42 auto reply = bus.call(method); 43 44 if (reply.is_method_error()) 45 { 46 log<level::ERR>("Failed to get managed objects", 47 entry("SERVICE=%s", service.c_str()), 48 entry("PATH=%s", objPath.c_str())); 49 } 50 else 51 { 52 reply.read(interfaces); 53 } 54 55 return interfaces; 56 } 57 58 DbusPropertyMap getAllProperties(sdbusplus::bus::bus& bus, 59 const std::string& service, 60 const std::string& objPath, 61 const std::string& interface) 62 { 63 DbusPropertyMap properties; 64 65 auto method = bus.new_method_call(service.c_str(), objPath.c_str(), 66 PROPERTY_IFACE, "GetAll"); 67 method.append(interface); 68 auto reply = bus.call(method); 69 70 if (reply.is_method_error()) 71 { 72 log<level::ERR>("Failed to get all properties", 73 entry("SERVICE=%s", service.c_str()), 74 entry("PATH=%s", objPath.c_str()), 75 entry("INTERFACE=%s", interface.c_str())); 76 } 77 else 78 { 79 reply.read(properties); 80 } 81 82 return properties; 83 } 84 85 DbusSubtree getSubtree(sdbusplus::bus::bus& bus, const std::string& root, 86 int depth, const std::string& interface) 87 { 88 DbusSubtree tree; 89 90 auto method = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH, MAPPER_IFACE, 91 "GetSubTree"); 92 method.append(root); 93 method.append(depth); 94 method.append(std::vector<std::string>({interface})); 95 auto reply = bus.call(method); 96 97 if (reply.is_method_error()) 98 { 99 log<level::ERR>("Failed to get subtree", entry("ROOT=%s", root.c_str()), 100 entry("INTERFACE=%s", interface.c_str())); 101 } 102 else 103 { 104 reply.read(tree); 105 } 106 107 return tree; 108 } 109 110 DbusService getService(const std::string& objPath, const std::string& interface, 111 const DbusSubtree& tree) 112 { 113 DbusService service; 114 115 auto services = tree.find(objPath); 116 if (services != tree.end()) 117 { 118 auto s = std::find_if(services->second.begin(), services->second.end(), 119 [&interface](const auto& entry) { 120 auto i = 121 std::find(entry.second.begin(), 122 entry.second.end(), interface); 123 return i != entry.second.end(); 124 }); 125 if (s != services->second.end()) 126 { 127 service = s->first; 128 } 129 } 130 131 return service; 132 } 133 } // namespace logging 134 } // namespace ibm 135