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 static void instances(std::string s, std::vector<std::string>& host)
26 {
27     size_t pos = 0;
28 
29     while ((pos = s.find(" ")) != std::string::npos)
30     {
31         host.push_back(s.substr(0, pos));
32         s.erase(0, pos + 1);
33     }
34     host.push_back(s);
35 }
36 
37 inline std::optional<size_t> findHost(size_t id)
38 {
39     std::vector<std::string> hosts = {};
40 
41     if (hostInstances == "0")
42     {
43         return id;
44     }
45 
46     instances(hostInstances, hosts);
47 
48     std::sort(hosts.begin(), hosts.end());
49 
50     /*  ctx host ID for host 1 is 0, host 2 is 1 ... host N is N-1
51      *  Therefore, host Index is incremented to 1 to map with the dbus
52      *  object path created.
53      */
54     std::string num = std::to_string(id + 1);
55 
56     auto instance = std::lower_bound(hosts.begin(), hosts.end(), num);
57 
58     if (instance != std::end(hosts))
59     {
60         return id + 1;
61     }
62 
63     return std::nullopt;
64 }
65 
66 inline static void printRegistration(unsigned int netfn, unsigned int cmd)
67 {
68     if constexpr (debug)
69     {
70         std::cout << "Registering NetFn:[0x" << std::hex << std::uppercase
71                   << netfn << "], Cmd:[0x" << cmd << "]\n";
72     }
73 }
74 
75 inline static void ipmiPrintAndRegister(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
76                                         ipmi_context_t context,
77                                         ipmid_callback_t handler,
78                                         ipmi_cmd_privilege_t priv)
79 {
80     printRegistration(netfn, cmd);
81     ipmi_register_callback(netfn, cmd, context, handler, priv);
82 }
83 
84 inline static void printCommand(unsigned int netfn, unsigned int cmd)
85 {
86     if constexpr (debug)
87     {
88         std::cout << "Executing NetFn:[0x" << std::hex << std::uppercase
89                   << netfn << "], Cmd:[0x" << cmd << "]\n";
90     }
91 }
92 
93 namespace ipmi
94 {
95 using DbusVariant = std::variant<std::string, bool, uint8_t, uint16_t, int16_t,
96                                  uint32_t, int32_t, uint64_t, int64_t, double>;
97 } // namespace ipmi
98