1 #pragma once
2 
3 #include "lpcsnoop/snoop.hpp"
4 
5 #include <boost/asio.hpp>
6 #include <gpiod.hpp>
7 #include <sdbusplus/asio/connection.hpp>
8 #include <sdbusplus/asio/object_server.hpp>
9 #include <sdbusplus/asio/property.hpp>
10 #include <sdbusplus/bus.hpp>
11 #include <sdbusplus/server.hpp>
12 #include <xyz/openbmc_project/Chassis/Buttons/HostSelector/server.hpp>
13 #include <xyz/openbmc_project/State/Boot/Raw/server.hpp>
14 
15 #include <filesystem>
16 #include <iostream>
17 #include <span>
18 
19 const std::string ipmiSnoopObject = "/xyz/openbmc_project/state/boot/raw";
20 
21 const int hostParseIdx = 3;
22 const int maxPostcode = 255;
23 const int maxPosition = 4;
24 
25 extern bool sevenSegmentLedEnabled;
26 
27 extern std::vector<gpiod::line> led_lines;
28 
29 using Selector =
30     sdbusplus::xyz::openbmc_project::Chassis::Buttons::server::HostSelector;
31 
32 const std::string selectorService = "xyz.openbmc_project.Chassis.Buttons";
33 const std::string selectorObject =
34     "/xyz/openbmc_project/Chassis/Buttons/HostSelector";
35 const std::string selectorIface =
36     "xyz.openbmc_project.Chassis.Buttons.HostSelector";
37 
38 const std::string rawObject = "/xyz/openbmc_project/state/boot";
39 const std::string rawIface = "xyz.openbmc_project.State.Boot.Raw";
40 const std::string rawService = "xyz.openbmc_project.State.Boot.Raw";
41 
42 int postCodeIpmiHandler(const std::string& snoopObject,
43                         const std::string& snoopDbus, sdbusplus::bus_t& bus,
44                         std::span<std::string> host);
45 
46 uint32_t getSelectorPosition(sdbusplus::bus_t& bus);
47 
48 struct IpmiPostReporter : PostObject
49 {
IpmiPostReporterIpmiPostReporter50     IpmiPostReporter(sdbusplus::bus_t& bus, const char* objPath) :
51         PostObject(bus, objPath), bus(bus),
52         propertiesChangedSignalRaw(
53             bus,
54             sdbusplus::bus::match::rules::propertiesChanged(objPath, rawIface),
55 
56             [this, &bus](sdbusplus::message_t& msg) {
57                 using primarycode_t = uint64_t;
58                 using secondarycode_t = std::vector<uint8_t>;
59                 using postcode_t = std::tuple<primarycode_t, secondarycode_t>;
60 
61                 /* sevenSegmentLedEnabled flag is set when GPIO pins are not
62                 there 7 seg display for fewer platforms. So, the code for
63                 postcode display and Get Selector position can be skipped in
64                 those platforms.
65                 */
66                 if (!sevenSegmentLedEnabled)
67                 {
68                     return;
69                 }
70 
71                 std::string objectName;
72                 std::string InterfaceName;
73                 std::map<std::string, std::variant<postcode_t>> msgData;
74                 msg.read(InterfaceName, msgData);
75 
76                 std::filesystem::path name(msg.get_path());
77                 objectName = name.filename();
78 
79                 std::string hostNumStr = objectName.substr(hostParseIdx);
80                 size_t hostNum = std::stoi(hostNumStr);
81 
82                 size_t position = getSelectorPosition(bus);
83 
84                 if (position > maxPosition)
85                 {
86                     std::cerr << "Invalid position. Position should be 1 to 4 "
87                                  "for all hosts "
88                               << std::endl;
89                 }
90 
91                 // Check if it was the Value property that changed.
92                 auto valPropMap = msgData.find("Value");
93                 if (valPropMap == msgData.end())
94                 {
95                     std::cerr << "Value property is not found " << std::endl;
96                     return;
97                 }
98                 uint64_t postcode =
99                     std::get<0>(std::get<postcode_t>(valPropMap->second));
100 
101                 if (postcode <= maxPostcode)
102                 {
103                     if (position == hostNum)
104                     {
105                         uint8_t postcode_8bit =
106                             static_cast<uint8_t>(postcode & 0x0000FF);
107 
108                         // write postcode into seven segment display
109                         if (postCodeDisplay(postcode_8bit) < 0)
110                         {
111                             fprintf(stderr, "Error in display the postcode\n");
112                         }
113                     }
114                     else
115                     {
116                         fprintf(stderr, "Host Selector Position and host "
117                                         "number is not matched..\n");
118                     }
119                 }
120                 else
121                 {
122                     fprintf(stderr, "invalid postcode value \n");
123                 }
124             })
125     {}
126 
127     sdbusplus::bus_t& bus;
128     sdbusplus::bus::match_t propertiesChangedSignalRaw;
129     int postCodeDisplay(uint8_t);
130     void getSelectorPositionSignal(sdbusplus::bus_t& bus);
131 };
132