1 2 #include "estoraged.hpp" 3 #include "getConfig.hpp" 4 #include "util.hpp" 5 6 #include <boost/asio/deadline_timer.hpp> 7 #include <boost/asio/io_context.hpp> 8 #include <boost/asio/post.hpp> 9 #include <boost/container/flat_map.hpp> 10 #include <boost/container/throw_exception.hpp> 11 #include <phosphor-logging/lg2.hpp> 12 #include <sdbusplus/asio/connection.hpp> 13 #include <sdbusplus/asio/object_server.hpp> 14 #include <sdbusplus/bus.hpp> 15 #include <sdbusplus/bus/match.hpp> 16 #include <util.hpp> 17 18 #include <cstdlib> 19 #include <filesystem> 20 #include <iostream> 21 #include <memory> 22 #include <string> 23 24 /* 25 * Get the configuration objects from Entity Manager and create new D-Bus 26 * objects for each one. This function can be called multiple times, in case 27 * new configuration objects show up later. 28 * 29 * Note: Currently, eStoraged can only support 1 eMMC device. 30 * Additional changes will be needed to support more than 1 eMMC, or to support 31 * more types of storage devices. 32 */ 33 void createStorageObjects( 34 boost::asio::io_context& io, sdbusplus::asio::object_server& objectServer, 35 boost::container::flat_map< 36 std::string, std::unique_ptr<estoraged::EStoraged>>& storageObjects, 37 std::shared_ptr<sdbusplus::asio::connection>& dbusConnection) 38 { 39 auto getter = std::make_shared<estoraged::GetStorageConfiguration>( 40 dbusConnection, 41 [&io, &objectServer, &storageObjects]( 42 const estoraged::ManagedStorageType& storageConfigurations) { 43 size_t numConfigObj = storageConfigurations.size(); 44 if (numConfigObj > 1) 45 { 46 lg2::error( 47 "eStoraged can only manage 1 eMMC device; found {NUM}", 48 "NUM", numConfigObj, "REDFISH_MESSAGE_ID", 49 std::string("OpenBMC.0.1.CreateStorageObjectsFail")); 50 return; 51 } 52 53 for (const std::pair<sdbusplus::message::object_path, 54 estoraged::StorageData>& storage : 55 storageConfigurations) 56 { 57 const std::string& path = storage.first.str; 58 59 if (storageObjects.find(path) != storageObjects.end()) 60 { 61 /* 62 * We've already created this object, or at least 63 * attempted to. 64 */ 65 continue; 66 } 67 68 /* Get the properties from the config object. */ 69 const estoraged::StorageData& data = storage.second; 70 71 /* Look for the device file. */ 72 const std::filesystem::path blockDevDir{"/sys/block"}; 73 std::filesystem::path deviceFile, sysfsDir; 74 std::string luksName; 75 bool found = estoraged::util::findDevice( 76 data, blockDevDir, deviceFile, sysfsDir, luksName); 77 if (!found) 78 { 79 lg2::error( 80 "Device not found for path {PATH}", "PATH", path, 81 "REDFISH_MESSAGE_ID", 82 std::string("OpenBMC.0.1.CreateStorageObjectsFail")); 83 /* 84 * Set a NULL pointer as a placeholder, so that we don't 85 * try and fail again later. 86 */ 87 storageObjects[path] = nullptr; 88 continue; 89 } 90 91 uint64_t size = 92 estoraged::util::findSizeOfBlockDevice(deviceFile); 93 94 uint8_t lifeleft = 95 estoraged::util::findPredictedMediaLifeLeftPercent( 96 sysfsDir); 97 /* Create the storage object. */ 98 storageObjects[path] = std::make_unique<estoraged::EStoraged>( 99 objectServer, deviceFile, luksName, size, lifeleft); 100 lg2::info("Created eStoraged object for path {PATH}", "PATH", 101 path, "REDFISH_MESSAGE_ID", 102 std::string("OpenBMC.0.1.CreateStorageObjects")); 103 } 104 }); 105 getter->getConfiguration(); 106 } 107 108 int main(void) 109 { 110 try 111 { 112 // setup connection to dbus 113 boost::asio::io_context io; 114 auto conn = std::make_shared<sdbusplus::asio::connection>(io); 115 // request D-Bus server name. 116 conn->request_name("xyz.openbmc_project.eStoraged"); 117 sdbusplus::asio::object_server server(conn); 118 boost::container::flat_map<std::string, 119 std::unique_ptr<estoraged::EStoraged>> 120 storageObjects; 121 122 boost::asio::post(io, [&]() { 123 createStorageObjects(io, server, storageObjects, conn); 124 }); 125 126 /* 127 * Set up an event handler to process any new configuration objects 128 * that show up later. 129 */ 130 boost::asio::deadline_timer filterTimer(io); 131 std::function<void(sdbusplus::message::message&)> eventHandler = 132 [&](sdbusplus::message::message& message) { 133 if (message.is_method_error()) 134 { 135 lg2::error("eventHandler callback method error"); 136 return; 137 } 138 /* 139 * This implicitly cancels the timer, if it's already pending. 140 * If there's a burst of events within a short period, we want 141 * to handle them all at once. So, we will wait this long for no 142 * more events to occur, before processing them. 143 */ 144 filterTimer.expires_from_now(boost::posix_time::seconds(1)); 145 146 filterTimer.async_wait( 147 [&](const boost::system::error_code& ec) { 148 if (ec == boost::asio::error::operation_aborted) 149 { 150 /* we were canceled */ 151 return; 152 } 153 if (ec) 154 { 155 lg2::error("timer error"); 156 return; 157 } 158 createStorageObjects(io, server, storageObjects, conn); 159 }); 160 }; 161 162 auto match = std::make_unique<sdbusplus::bus::match::match>( 163 static_cast<sdbusplus::bus::bus&>(*conn), 164 "type='signal',member='PropertiesChanged',path_namespace='" + 165 std::string("/xyz/openbmc_project/inventory") + 166 "',arg0namespace='" + estoraged::emmcConfigInterface + "'", 167 eventHandler); 168 169 lg2::info("Storage management service is running", "REDFISH_MESSAGE_ID", 170 std::string("OpenBMC.1.0.ServiceStarted")); 171 172 io.run(); 173 return 0; 174 } 175 catch (const std::exception& e) 176 { 177 lg2::error(e.what(), "REDFISH_MESSAGE_ID", 178 std::string("OpenBMC.1.0.ServiceException")); 179 180 return 2; 181 } 182 return 1; 183 } 184