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 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 [&objectServer, &storageObjects]( 42 const estoraged::ManagedStorageType& storageConfigurations) { 43 size_t numConfigObj = storageConfigurations.size(); 44 if (numConfigObj > 1) 45 { 46 lg2::error("eStoraged can only manage 1 eMMC device; found {NUM}", 47 "NUM", numConfigObj, "REDFISH_MESSAGE_ID", 48 std::string("OpenBMC.0.1.CreateStorageObjectsFail")); 49 return; 50 } 51 52 for (const std::pair<sdbusplus::message::object_path, 53 estoraged::StorageData>& storage : 54 storageConfigurations) 55 { 56 const std::string& path = storage.first.str; 57 58 if (storageObjects.find(path) != storageObjects.end()) 59 { 60 /* 61 * We've already created this object, or at least 62 * attempted to. 63 */ 64 continue; 65 } 66 67 /* Get the properties from the config object. */ 68 const estoraged::StorageData& data = storage.second; 69 70 /* Look for the device file. */ 71 const std::filesystem::path blockDevDir{"/sys/block"}; 72 std::filesystem::path deviceFile, sysfsDir; 73 std::string luksName; 74 bool found = estoraged::util::findDevice( 75 data, blockDevDir, deviceFile, sysfsDir, luksName); 76 if (!found) 77 { 78 lg2::error("Device not found for path {PATH}", "PATH", path, 79 "REDFISH_MESSAGE_ID", 80 std::string("OpenBMC.0.1.CreateStorageObjectsFail")); 81 /* 82 * Set a NULL pointer as a placeholder, so that we don't 83 * try and fail again later. 84 */ 85 storageObjects[path] = nullptr; 86 continue; 87 } 88 89 uint64_t size = estoraged::util::findSizeOfBlockDevice(deviceFile); 90 91 uint8_t lifeleft = 92 estoraged::util::findPredictedMediaLifeLeftPercent(sysfsDir); 93 std::string partNumber = estoraged::util::getPartNumber(sysfsDir); 94 std::string serialNumber = 95 estoraged::util::getSerialNumber(sysfsDir); 96 /* Create the storage object. */ 97 storageObjects[path] = std::make_unique<estoraged::EStoraged>( 98 objectServer, path, deviceFile, luksName, size, lifeleft, 99 partNumber, serialNumber); 100 lg2::info("Created eStoraged object for path {PATH}", "PATH", path, 101 "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( 123 io, [&]() { createStorageObjects(server, storageObjects, conn); }); 124 125 /* 126 * Set up an event handler to process any new configuration objects 127 * that show up later. 128 */ 129 boost::asio::deadline_timer filterTimer(io); 130 std::function<void(sdbusplus::message_t&)> eventHandler = 131 [&](sdbusplus::message_t& message) { 132 if (message.is_method_error()) 133 { 134 lg2::error("eventHandler callback method error"); 135 return; 136 } 137 /* 138 * This implicitly cancels the timer, if it's already pending. 139 * If there's a burst of events within a short period, we want 140 * to handle them all at once. So, we will wait this long for no 141 * more events to occur, before processing them. 142 */ 143 filterTimer.expires_from_now(boost::posix_time::seconds(1)); 144 145 filterTimer.async_wait([&](const boost::system::error_code& ec) { 146 if (ec == boost::asio::error::operation_aborted) 147 { 148 /* we were canceled */ 149 return; 150 } 151 if (ec) 152 { 153 lg2::error("timer error"); 154 return; 155 } 156 createStorageObjects(server, storageObjects, conn); 157 }); 158 }; 159 160 auto match = std::make_unique<sdbusplus::bus::match_t>( 161 static_cast<sdbusplus::bus_t&>(*conn), 162 "type='signal',member='PropertiesChanged',path_namespace='" + 163 std::string("/xyz/openbmc_project/inventory") + 164 "',arg0namespace='" + estoraged::emmcConfigInterface + "'", 165 eventHandler); 166 167 lg2::info("Storage management service is running", "REDFISH_MESSAGE_ID", 168 std::string("OpenBMC.1.0.ServiceStarted")); 169 170 io.run(); 171 return 0; 172 } 173 catch (const std::exception& e) 174 { 175 lg2::error(e.what(), "REDFISH_MESSAGE_ID", 176 std::string("OpenBMC.1.0.ServiceException")); 177 178 return 2; 179 } 180 return 1; 181 } 182