xref: /openbmc/phosphor-psu-code-mgmt/src/item_updater.hpp (revision 7f2a2152cf5c9bff7e0e6e8d2cc399c3a5033300)
1 #pragma once
2 
3 #include "config.h"
4 
5 #include "activation.hpp"
6 #include "association_interface.hpp"
7 #include "types.hpp"
8 #include "utils.hpp"
9 #include "version.hpp"
10 
11 #include <phosphor-logging/log.hpp>
12 #include <sdbusplus/server.hpp>
13 #include <xyz/openbmc_project/Association/Definitions/server.hpp>
14 #include <xyz/openbmc_project/Collection/DeleteAll/server.hpp>
15 
16 class TestItemUpdater;
17 
18 namespace phosphor
19 {
20 namespace software
21 {
22 namespace updater
23 {
24 
25 class Version;
26 
27 using ItemUpdaterInherit = sdbusplus::server::object::object<
28     sdbusplus::xyz::openbmc_project::Association::server::Definitions,
29     sdbusplus::xyz::openbmc_project::Collection::server::DeleteAll>;
30 namespace MatchRules = sdbusplus::bus::match::rules;
31 
32 /** @class ItemUpdater
33  *  @brief Manages the activation of the PSU version items.
34  */
35 class ItemUpdater : public ItemUpdaterInherit, public AssociationInterface
36 {
37     friend class ::TestItemUpdater;
38 
39   public:
40     /** @brief Constructs ItemUpdater
41      *
42      * @param[in] bus    - The D-Bus bus object
43      * @param[in] path   - The D-Bus path
44      */
45     ItemUpdater(sdbusplus::bus::bus& bus, const std::string& path) :
46         ItemUpdaterInherit(bus, path.c_str()), bus(bus),
47         versionMatch(bus,
48                      MatchRules::interfacesAdded() +
49                          MatchRules::path(SOFTWARE_OBJPATH),
50                      std::bind(std::mem_fn(&ItemUpdater::createActivation),
51                                this, std::placeholders::_1))
52     {
53         processPSUImage();
54     }
55 
56     /** @brief Deletes version
57      *
58      *  @param[in] versionId - Id of the version to delete
59      */
60     void erase(std::string versionId);
61 
62     /**
63      * @brief Erases any non-active versions.
64      */
65     void deleteAll();
66 
67     /** @brief Creates an active association to the
68      *  newly active software image
69      *
70      * @param[in]  path - The path to create the association to.
71      */
72     void createActiveAssociation(const std::string& path) override;
73 
74     /** @brief Add the functional association to the
75      *  new "running" PSU images
76      *
77      * @param[in]  path - The path to add the association to.
78      */
79     void addFunctionalAssociation(const std::string& path) override;
80 
81     /** @brief Removes the associations from the provided software image path
82      *
83      * @param[in]  path - The path to remove the association from.
84      */
85     void removeAssociation(const std::string& path) override;
86 
87   private:
88     /** @brief Callback function for Software.Version match.
89      *  @details Creates an Activation D-Bus object.
90      *
91      * @param[in]  msg       - Data associated with subscribed signal
92      */
93     void createActivation(sdbusplus::message::message& msg);
94 
95     using Properties =
96         std::map<std::string, utils::UtilsInterface::PropertyType>;
97 
98     /** @brief Callback function for PSU inventory match.
99      *  @details Update an Activation D-Bus object for PSU inventory.
100      *
101      * @param[in]  msg       - Data associated with subscribed signal
102      */
103     void onPsuInventoryChangedMsg(sdbusplus::message::message& msg);
104 
105     /** @brief Callback function for PSU inventory match.
106      *  @details Update an Activation D-Bus object for PSU inventory.
107      *
108      * @param[in]  psuPath - The PSU inventory path
109      * @param[in]  properties - The updated properties
110      */
111     void onPsuInventoryChanged(const std::string& psuPath,
112                                const Properties& properties);
113 
114     /** @brief Create Activation object */
115     std::unique_ptr<Activation> createActivationObject(
116         const std::string& path, const std::string& versionId,
117         const std::string& extVersion,
118         sdbusplus::xyz::openbmc_project::Software::server::Activation::
119             Activations activationStatus,
120         const AssociationList& assocs);
121 
122     /** @brief Create Version object */
123     std::unique_ptr<Version>
124         createVersionObject(const std::string& objPath,
125                             const std::string& versionId,
126                             const std::string& versionString,
127                             sdbusplus::xyz::openbmc_project::Software::server::
128                                 Version::VersionPurpose versionPurpose,
129                             const std::string& filePath);
130 
131     /** @brief Create Activation and Version object for PSU inventory
132      *  @details If the same version exists for multiple PSUs, just add
133      *           related association, instead of creating new objects.
134      * */
135     void createPsuObject(const std::string& psuInventoryPath,
136                          const std::string& psuVersion);
137 
138     /** @brief Remove Activation and Version object for PSU inventory
139      *  @details If the same version exists for mutliple PSUs, just remove
140      *           related association.
141      *           If the version has no association, the Activation and
142      *           Version object will be removed
143      */
144     void removePsuObject(const std::string& psuInventoryPath);
145 
146     /**
147      * @brief Create and populate the active PSU Version.
148      */
149     void processPSUImage();
150 
151     /** @brief Persistent sdbusplus D-Bus bus connection. */
152     sdbusplus::bus::bus& bus;
153 
154     /** @brief Persistent map of Activation D-Bus objects and their
155      * version id */
156     std::map<std::string, std::unique_ptr<Activation>> activations;
157 
158     /** @brief Persistent map of Version D-Bus objects and their
159      * version id */
160     std::map<std::string, std::unique_ptr<Version>> versions;
161 
162     /** @brief The reference map of PSU Inventory objects and the
163      * Activation*/
164     std::map<std::string, const std::unique_ptr<Activation>&>
165         psuPathActivationMap;
166 
167     /** @brief sdbusplus signal match for PSU Software*/
168     sdbusplus::bus::match_t versionMatch;
169 
170     /** @brief sdbusplus signal matches for PSU Inventory */
171     std::vector<sdbusplus::bus::match_t> psuMatches;
172 
173     /** @brief This entry's associations */
174     AssociationList assocs;
175 };
176 
177 } // namespace updater
178 } // namespace software
179 } // namespace phosphor
180