1 /*
2  * Copyright (c)  2018 Intel Corporation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 #include <sdbusplus/bus.hpp>
19 
20 #include <iostream>
21 #include "config.h"
22 
23 static constexpr bool debug = false;
24 
25 using IanaType = std::array<uint8_t, 3>;
26 
27 static constexpr IanaType iana = {0x15, 0xA0, 0x0}; // Meta's IANA
28 
29 static void instances(std::string s, std::vector<std::string>& host)
30 {
31     size_t pos = 0;
32 
33     while ((pos = s.find(" ")) != std::string::npos)
34     {
35         host.push_back(s.substr(0, pos));
36         s.erase(0, pos + 1);
37     }
38     host.push_back(s);
39 }
40 
41 inline std::optional<size_t> findHost(size_t id)
42 {
43     std::vector<std::string> hosts = {};
44 
45     if (hostInstances == "0")
46     {
47         return id;
48     }
49 
50     instances(hostInstances, hosts);
51 
52     std::sort(hosts.begin(), hosts.end());
53 
54     /*  ctx host ID for host 1 is 0, host 2 is 1 ... host N is N-1
55      *  Therefore, host Index is incremented to 1 to map with the dbus
56      *  object path created.
57      */
58     std::string num = std::to_string(id + 1);
59 
60     auto instance = std::lower_bound(hosts.begin(), hosts.end(), num);
61 
62     if (instance != std::end(hosts))
63     {
64         return id + 1;
65     }
66 
67     return std::nullopt;
68 }
69 
70 inline static void printRegistration(unsigned int netfn, unsigned int cmd)
71 {
72     if constexpr (debug)
73     {
74         std::cout << "Registering NetFn:[0x" << std::hex << std::uppercase
75                   << netfn << "], Cmd:[0x" << cmd << "]\n";
76     }
77 }
78 
79 inline static void ipmiPrintAndRegister(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
80                                         ipmi_context_t context,
81                                         ipmid_callback_t handler,
82                                         ipmi_cmd_privilege_t priv)
83 {
84     printRegistration(netfn, cmd);
85     ipmi_register_callback(netfn, cmd, context, handler, priv);
86 }
87 
88 inline static void printCommand(unsigned int netfn, unsigned int cmd)
89 {
90     if constexpr (debug)
91     {
92         std::cout << "Executing NetFn:[0x" << std::hex << std::uppercase
93                   << netfn << "], Cmd:[0x" << cmd << "]\n";
94     }
95 }
96 
97 namespace ipmi
98 {
99 using DbusVariant = std::variant<std::string, bool, uint8_t, uint16_t, int16_t,
100                                  uint32_t, int32_t, uint64_t, int64_t, double>;
101 } // namespace ipmi
102