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 <optional>
23 #include <string>
24
25 /*
26 * Get the configuration objects from Entity Manager and create new D-Bus
27 * objects for each one. This function can be called multiple times, in case
28 * new configuration objects show up later.
29 *
30 * Note: Currently, eStoraged can only support 1 eMMC device.
31 * Additional changes will be needed to support more than 1 eMMC, or to support
32 * more types of storage devices.
33 */
createStorageObjects(sdbusplus::asio::object_server & objectServer,boost::container::flat_map<std::string,std::unique_ptr<estoraged::EStoraged>> & storageObjects,std::shared_ptr<sdbusplus::asio::connection> & dbusConnection)34 void createStorageObjects(
35 sdbusplus::asio::object_server& objectServer,
36 boost::container::flat_map<
37 std::string, std::unique_ptr<estoraged::EStoraged>>& storageObjects,
38 std::shared_ptr<sdbusplus::asio::connection>& dbusConnection)
39 {
40 auto getter = std::make_shared<estoraged::GetStorageConfiguration>(
41 dbusConnection,
42 [&objectServer, &storageObjects](
43 const estoraged::ManagedStorageType& storageConfigurations) {
44 size_t numConfigObj = storageConfigurations.size();
45 if (numConfigObj > 1)
46 {
47 lg2::error("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 auto deviceInfo = estoraged::util::findDevice(data, blockDevDir);
74 if (!deviceInfo)
75 {
76 lg2::error("Device not found for path {PATH}", "PATH", path,
77 "REDFISH_MESSAGE_ID",
78 std::string("OpenBMC.0.1.CreateStorageObjectsFail"));
79 /*
80 * Set a NULL pointer as a placeholder, so that we don't
81 * try and fail again later.
82 */
83 storageObjects[path] = nullptr;
84 continue;
85 }
86
87 std::filesystem::path deviceFile =
88 std::move(deviceInfo->deviceFile);
89 std::filesystem::path sysfsDir = std::move(deviceInfo->sysfsDir);
90 std::string luksName = std::move(deviceInfo->luksName);
91 std::string locationCode = std::move(deviceInfo->locationCode);
92 uint64_t eraseMaxGeometry = deviceInfo->eraseMaxGeometry;
93 uint64_t eraseMinGeometry = deviceInfo->eraseMinGeometry;
94
95 uint64_t size = estoraged::util::findSizeOfBlockDevice(deviceFile);
96
97 uint8_t lifeleft =
98 estoraged::util::findPredictedMediaLifeLeftPercent(sysfsDir);
99 std::string partNumber = estoraged::util::getPartNumber(sysfsDir);
100 std::string serialNumber =
101 estoraged::util::getSerialNumber(sysfsDir);
102 const std::string& driveType = deviceInfo->driveType;
103 const std::string& driveProtocol = deviceInfo->driveProtocol;
104 /* Create the storage object. */
105 storageObjects[path] = std::make_unique<estoraged::EStoraged>(
106 objectServer, path, deviceFile, luksName, size, lifeleft,
107 partNumber, serialNumber, locationCode, eraseMaxGeometry,
108 eraseMinGeometry, driveType, driveProtocol);
109 lg2::info("Created eStoraged object for path {PATH}", "PATH", path,
110 "REDFISH_MESSAGE_ID",
111 std::string("OpenBMC.0.1.CreateStorageObjects"));
112 }
113 });
114 getter->getConfiguration();
115 }
116
main(void)117 int main(void)
118 {
119 try
120 {
121 // setup connection to dbus
122 boost::asio::io_context io;
123 auto conn = std::make_shared<sdbusplus::asio::connection>(io);
124 // request D-Bus server name.
125 conn->request_name("xyz.openbmc_project.eStoraged");
126 sdbusplus::asio::object_server server(conn);
127 boost::container::flat_map<std::string,
128 std::unique_ptr<estoraged::EStoraged>>
129 storageObjects;
130
131 boost::asio::post(
132 io, [&]() { createStorageObjects(server, storageObjects, conn); });
133
134 /*
135 * Set up an event handler to process any new configuration objects
136 * that show up later.
137 */
138 boost::asio::deadline_timer filterTimer(io);
139 std::function<void(sdbusplus::message_t&)> eventHandler =
140 [&](sdbusplus::message_t& message) {
141 if (message.is_method_error())
142 {
143 lg2::error("eventHandler callback method error");
144 return;
145 }
146 /*
147 * This implicitly cancels the timer, if it's already pending.
148 * If there's a burst of events within a short period, we want
149 * to handle them all at once. So, we will wait this long for no
150 * more events to occur, before processing them.
151 */
152 filterTimer.expires_from_now(boost::posix_time::seconds(1));
153
154 filterTimer.async_wait([&](const boost::system::error_code& ec) {
155 if (ec == boost::asio::error::operation_aborted)
156 {
157 /* we were canceled */
158 return;
159 }
160 if (ec)
161 {
162 lg2::error("timer error");
163 return;
164 }
165 createStorageObjects(server, storageObjects, conn);
166 });
167 };
168
169 auto match = std::make_unique<sdbusplus::bus::match_t>(
170 static_cast<sdbusplus::bus_t&>(*conn),
171 "type='signal',member='PropertiesChanged',path_namespace='" +
172 std::string("/xyz/openbmc_project/inventory") +
173 "',arg0namespace='" + estoraged::emmcConfigInterface + "'",
174 eventHandler);
175
176 lg2::info("Storage management service is running", "REDFISH_MESSAGE_ID",
177 std::string("OpenBMC.1.0.ServiceStarted"));
178
179 io.run();
180 return 0;
181 }
182 catch (const std::exception& e)
183 {
184 lg2::error(e.what(), "REDFISH_MESSAGE_ID",
185 std::string("OpenBMC.1.0.ServiceException"));
186
187 return 2;
188 }
189 return 1;
190 }
191