1 #pragma once
2 
3 #include "config.h"
4 
5 #include "settings.hpp"
6 
7 #include <sdbusplus/bus.hpp>
8 #include <xyz/openbmc_project/State/Boot/Progress/client.hpp>
9 #include <xyz/openbmc_project/State/Host/server.hpp>
10 
11 namespace phosphor
12 {
13 namespace state
14 {
15 namespace manager
16 {
17 
18 using HypervisorInherit = sdbusplus::server::object_t<
19     sdbusplus::server::xyz::openbmc_project::state::Host>;
20 using BootProgress =
21     sdbusplus::client::xyz::openbmc_project::state::boot::Progress<>;
22 
23 namespace server = sdbusplus::server::xyz::openbmc_project::state;
24 namespace sdbusRule = sdbusplus::bus::match::rules;
25 
26 /** @class Host
27  *  @brief OpenBMC host state management implementation.
28  *  @details A concrete implementation for xyz.openbmc_project.State.Host
29  *  DBus API.
30  */
31 class Hypervisor : public HypervisorInherit
32 {
33   public:
34     Hypervisor() = delete;
35     Hypervisor(const Hypervisor&) = delete;
36     Hypervisor& operator=(const Hypervisor&) = delete;
37     Hypervisor(Hypervisor&&) = delete;
38     Hypervisor& operator=(Hypervisor&&) = delete;
39     ~Hypervisor() override = default;
40 
41     /** @brief Constructs Hypervisor State Manager
42      *
43      * @param[in] bus       - The Dbus bus object
44      * @param[in] objPath   - The Dbus object path
45      */
Hypervisor(sdbusplus::bus_t & bus,const char * objPath)46     Hypervisor(sdbusplus::bus_t& bus, const char* objPath) :
47         HypervisorInherit(bus, objPath,
48                           HypervisorInherit::action::emit_object_added),
49         bus(bus),
50         bootProgressChangeSignal(
51             bus,
52             sdbusRule::propertiesChanged("/xyz/openbmc_project/state/host0",
53                                          BootProgress::interface),
54             [this](sdbusplus::message_t& m) { bootProgressChangeEvent(m); })
55     {}
56 
57     /** @brief Set value of HostTransition */
58     server::Host::Transition
59         requestedHostTransition(server::Host::Transition value) override;
60 
61     /** @brief Set value of CurrentHostState */
62     server::Host::HostState
63         currentHostState(server::Host::HostState value) override;
64 
65     /** @brief Return value of CurrentHostState */
66     server::Host::HostState currentHostState() const override;
67 
68     /** @brief Check if BootProgress change affects hypervisor state
69      *
70      * @param[in]  bootProgress     - BootProgress value to check
71      *
72      */
73     void updateCurrentHostState(std::string& bootProgress);
74 
75   private:
76     /** @brief Process BootProgress property changes
77      *
78      * Instance specific interface to monitor for changes to the BootProgress
79      * property which may impact Hypervisor state.
80      *
81      * @param[in]  msg              - Data associated with subscribed signal
82      *
83      */
84     void bootProgressChangeEvent(sdbusplus::message_t& msg);
85 
86     /** @brief Persistent sdbusplus DBus bus connection. */
87     sdbusplus::bus_t& bus;
88 
89     /** @brief Watch BootProgress changes to know hypervisor state **/
90     sdbusplus::bus::match_t bootProgressChangeSignal;
91 };
92 
93 } // namespace manager
94 } // namespace state
95 } // namespace phosphor
96