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( 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 std::string partNumber = 98 estoraged::util::getPartNumber(sysfsDir); 99 std::string serialNumber = 100 estoraged::util::getSerialNumber(sysfsDir); 101 /* Create the storage object. */ 102 storageObjects[path] = std::make_unique<estoraged::EStoraged>( 103 objectServer, path, deviceFile, luksName, size, lifeleft, 104 partNumber, serialNumber); 105 lg2::info("Created eStoraged object for path {PATH}", "PATH", 106 path, "REDFISH_MESSAGE_ID", 107 std::string("OpenBMC.0.1.CreateStorageObjects")); 108 } 109 }); 110 getter->getConfiguration(); 111 } 112 113 int main(void) 114 { 115 try 116 { 117 // setup connection to dbus 118 boost::asio::io_context io; 119 auto conn = std::make_shared<sdbusplus::asio::connection>(io); 120 // request D-Bus server name. 121 conn->request_name("xyz.openbmc_project.eStoraged"); 122 sdbusplus::asio::object_server server(conn); 123 boost::container::flat_map<std::string, 124 std::unique_ptr<estoraged::EStoraged>> 125 storageObjects; 126 127 boost::asio::post( 128 io, [&]() { createStorageObjects(server, storageObjects, conn); }); 129 130 /* 131 * Set up an event handler to process any new configuration objects 132 * that show up later. 133 */ 134 boost::asio::deadline_timer filterTimer(io); 135 std::function<void(sdbusplus::message_t&)> eventHandler = 136 [&](sdbusplus::message_t& message) { 137 if (message.is_method_error()) 138 { 139 lg2::error("eventHandler callback method error"); 140 return; 141 } 142 /* 143 * This implicitly cancels the timer, if it's already pending. 144 * If there's a burst of events within a short period, we want 145 * to handle them all at once. So, we will wait this long for no 146 * more events to occur, before processing them. 147 */ 148 filterTimer.expires_from_now(boost::posix_time::seconds(1)); 149 150 filterTimer.async_wait( 151 [&](const boost::system::error_code& ec) { 152 if (ec == boost::asio::error::operation_aborted) 153 { 154 /* we were canceled */ 155 return; 156 } 157 if (ec) 158 { 159 lg2::error("timer error"); 160 return; 161 } 162 createStorageObjects(server, storageObjects, conn); 163 }); 164 }; 165 166 auto match = std::make_unique<sdbusplus::bus::match_t>( 167 static_cast<sdbusplus::bus_t&>(*conn), 168 "type='signal',member='PropertiesChanged',path_namespace='" + 169 std::string("/xyz/openbmc_project/inventory") + 170 "',arg0namespace='" + estoraged::emmcConfigInterface + "'", 171 eventHandler); 172 173 lg2::info("Storage management service is running", "REDFISH_MESSAGE_ID", 174 std::string("OpenBMC.1.0.ServiceStarted")); 175 176 io.run(); 177 return 0; 178 } 179 catch (const std::exception& e) 180 { 181 lg2::error(e.what(), "REDFISH_MESSAGE_ID", 182 std::string("OpenBMC.1.0.ServiceException")); 183 184 return 2; 185 } 186 return 1; 187 } 188