xref: /openbmc/phosphor-logging/elog_entry.hpp (revision ad0d7522927ac5ef1f9ccb74efae272cf356d522)
1 #pragma once
2 
3 #include "util.hpp"
4 #include "xyz/openbmc_project/Logging/Entry/server.hpp"
5 #include "xyz/openbmc_project/Object/Delete/server.hpp"
6 #include "xyz/openbmc_project/Software/Version/server.hpp"
7 
8 #include <sdbusplus/bus.hpp>
9 #include <sdbusplus/server/object.hpp>
10 #include <sdeventplus/event.hpp>
11 #include <sdeventplus/source/event.hpp>
12 #include <xyz/openbmc_project/Association/Definitions/server.hpp>
13 #include <xyz/openbmc_project/Common/FilePath/server.hpp>
14 
15 namespace phosphor
16 {
17 namespace logging
18 {
19 
20 using EntryIfaces = sdbusplus::server::object_t<
21     sdbusplus::server::xyz::openbmc_project::logging::Entry,
22     sdbusplus::server::xyz::openbmc_project::object::Delete,
23     sdbusplus::server::xyz::openbmc_project::association::Definitions,
24     sdbusplus::server::xyz::openbmc_project::software::Version,
25     sdbusplus::server::xyz::openbmc_project::common::FilePath>;
26 
27 using AssociationList =
28     std::vector<std::tuple<std::string, std::string, std::string>>;
29 
30 namespace internal
31 {
32 class Manager;
33 }
34 
35 /** @class Entry
36  *  @brief OpenBMC logging entry implementation.
37  *  @details A concrete implementation for the
38  *  xyz.openbmc_project.Logging.Entry and
39  *  xyz.openbmc_project.Associations.Definitions DBus APIs.
40  */
41 class Entry : public EntryIfaces
42 {
43   public:
44     Entry() = delete;
45     Entry(const Entry&) = delete;
46     Entry& operator=(const Entry&) = delete;
47     Entry(Entry&&) = delete;
48     Entry& operator=(Entry&&) = delete;
49     virtual ~Entry() = default;
50 
51     /** @brief Constructor to put object onto bus at a dbus path.
52      *         Defer signal registration (pass true for deferSignal to the
53      *         base class) until after the properties are set.
54      *  @param[in] bus - Bus to attach to.
55      *  @param[in] objectPath - Path to attach at.
56      *  @param[in] idErr - The error entry id.
57      *  @param[in] timestampErr - The commit timestamp.
58      *  @param[in] severityErr - The severity of the error.
59      *  @param[in] msgErr - The message of the error.
60      *  @param[in] additionalDataErr - The error metadata.
61      *  @param[in] objects - The list of associations.
62      *  @param[in] fwVersion - The BMC code version.
63      *  @param[in] filePath - Serialization path
64      *  @param[in] parent - The error's parent.
65      */
66     Entry(sdbusplus::bus_t& bus, const std::string& objectPath, uint32_t idErr,
67           uint64_t timestampErr, Level severityErr, std::string&& msgErr,
68           std::map<std::string, std::string>&& additionalDataErr,
69           AssociationList&& objects, const std::string& fwVersion,
70           const std::string& filePath, internal::Manager& parent) :
71         EntryIfaces(bus, objectPath.c_str(), EntryIfaces::action::defer_emit),
72         parent(parent)
73     {
74         id(idErr, true);
75         severity(severityErr, true);
76         timestamp(timestampErr, true);
77         updateTimestamp(timestampErr, true);
78         message(std::move(msgErr), true);
79         additionalData(std::move(additionalDataErr), true);
80         additionalData2(additionalData(), true);
81         associations(std::move(objects), true);
82         // Store a copy of associations in case we need to recreate
83         assocs = associations();
84         sdbusplus::server::xyz::openbmc_project::logging::Entry::resolved(
85             false, true);
86 
87         version(fwVersion, true);
88         purpose(VersionPurpose::BMC, true);
89         path(filePath, true);
90 
91         // Emit deferred signal.
92         this->emit_object_added();
93     };
94 
95     /** @brief Constructor that puts an "empty" error object on the bus,
96      *         with only the id property populated. Rest of the properties
97      *         to be set by the caller. Caller should emit the added signal.
98      *  @param[in] bus - Bus to attach to.
99      *  @param[in] path - Path to attach at.
100      *  @param[in] id - The error entry id.
101      *  @param[in] parent - The error's parent.
102      */
103     Entry(sdbusplus::bus_t& bus, const std::string& path, uint32_t entryId,
104           internal::Manager& parent) :
105         EntryIfaces(bus, path.c_str(), EntryIfaces::action::defer_emit),
106         parent(parent)
107     {
108         id(entryId, true);
109     };
110 
111     /** @brief Set resolution status of the error.
112      *  @param[in] value - boolean indicating resolution
113      *  status (true = resolved)
114      *  @returns value of 'Resolved' property
115      */
116     bool resolved(bool value) override;
117 
118     using sdbusplus::server::xyz::openbmc_project::logging::Entry::resolved;
119 
120     /** @brief Update eventId string of the error.
121      *  @param[in] value - The eventID
122      *  @returns New property value
123      */
124     std::string eventId(std::string value) override;
125 
126     using sdbusplus::server::xyz::openbmc_project::logging::Entry::eventId;
127 
128     /** @brief Update resolution string of the error.
129      *  @param[in] value - The resolution
130      *  @returns New property value
131      */
132     std::string resolution(std::string value) override;
133 
134     using sdbusplus::server::xyz::openbmc_project::logging::Entry::resolution;
135 
136     /** @brief Delete this d-bus object.
137      */
138     void delete_() override;
139 
140     /** @brief Severity level to check in cap.
141      *  @details Errors with severity lesser than this will be
142      *           considered as low priority and maximum ERROR_INFO_CAP
143      *           number errors of this category will be captured.
144      */
145     static constexpr auto sevLowerLimit = Entry::Level::Informational;
146 
147     /**
148      * @brief Returns the file descriptor to the Entry file.
149      * @return unix_fd - File descriptor to the Entry file.
150      */
151     sdbusplus::message::unix_fd getEntry() override;
152 
153   private:
154     /** @brief This entry's associations */
155     AssociationList assocs = {};
156 
157     /** @brief This entry's parent */
158     internal::Manager& parent;
159 
160     /**
161      * @brief The event source for closing the Entry file descriptor after it
162      *        has been returned from the getEntry D-Bus method.
163      */
164     std::unique_ptr<sdeventplus::source::Defer> fdCloseEventSource;
165 
166     /**
167      * @brief Closes the file descriptor passed in.
168      * @details This is called from the event loop to close FDs returned from
169      * getEntry().
170      * @param[in] fd - The file descriptor to close
171      * @param[in] source - The event source object used
172      */
173     void closeFD(int fd, sdeventplus::source::EventBase& source);
174 };
175 
176 } // namespace logging
177 } // namespace phosphor
178