1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/**
* @brief SILA software table implementation.
*
* This file is part of sila-snmp project.
*
* Copyright (c) 2022 SILA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "tracing.hpp"
#include "data/table.hpp"
#include "data/table/item.hpp"
#include "data/enums.hpp"
#include "sila/sila_oid.hpp"
#include "snmpvars.hpp"
#define INVALID_ENUM_VALUE 0xFF
namespace sila
{
namespace software
{
/**
* @brief DBus enum to byte converters.
*/
const phosphor::snmp::data::DBusEnum<uint8_t>
purpose = {"xyz.openbmc_project.Software.Version.VersionPurpose",
{
{"Unknown", 0},
{"Other", 1},
{"System", 2},
{"BMC", 3},
{"Host", 4},
},
INVALID_ENUM_VALUE},
activation = {"xyz.openbmc_project.Software.Activation.Activations",
{
{"NotReady", 0},
{"Invalid", 1},
{"Ready", 2},
{"Activating", 3},
{"Active", 4},
{"Failed", 5},
},
INVALID_ENUM_VALUE};
/**
* @brief Software item implementation.
*/
struct Software : public phosphor::snmp::data::table::Item<std::string, uint8_t,
uint8_t, uint8_t>
{
// Indexes of fields in tuple
enum Fields
{
FIELD_SOFTWARE_VERSION = 0,
FIELD_SOFTWARE_PURPOSE,
FIELD_SOFTWARE_ACTIVATION,
FIELD_SOFTWARE_PRIORITY,
};
/**
* @brief Object constructor.
*/
Software(const std::string& folder, const std::string& name) :
phosphor::snmp::data::table::Item<std::string, uint8_t, uint8_t,
uint8_t>(
folder, name,
"", // Version
INVALID_ENUM_VALUE, // Purpose
INVALID_ENUM_VALUE, // Activation
INVALID_ENUM_VALUE) // Priority
{
}
/**
* @brief Set field value with DBus enum converter.
*
* @tparam Idx - Index of field
* @param fields - DBus fields map
* @param field - Name of field in DBus
* @param enumcvt - Enum converter
*/
template <size_t Idx>
void setFieldEnum(const fields_map_t& fields, const char* field,
const phosphor::snmp::data::DBusEnum<uint8_t>& enumcvt)
{
if (fields.find(field) != fields.end() &&
std::holds_alternative<std::string>(fields.at(field)))
{
std::get<Idx>(data) =
enumcvt.get(std::get<std::string>(fields.at(field)));
}
}
/**
* @brief Update fields with new values recieved from DBus.
*/
void setFields(const fields_map_t& fields) override
{
uint8_t prevActivation = std::get<FIELD_SOFTWARE_ACTIVATION>(data),
prevPriority = std::get<FIELD_SOFTWARE_PRIORITY>(data);
setField<FIELD_SOFTWARE_VERSION>(fields, "Version");
setFieldEnum<FIELD_SOFTWARE_PURPOSE>(fields, "Purpose", purpose);
setFieldEnum<FIELD_SOFTWARE_ACTIVATION>(fields, "Activation",
activation);
setField<FIELD_SOFTWARE_PRIORITY>(fields, "Priority");
if (prevActivation != std::get<FIELD_SOFTWARE_ACTIVATION>(data) ||
prevPriority != std::get<FIELD_SOFTWARE_PRIORITY>(data))
{
DEBUGMSGTL(("sila:software",
"Software '%s' version='%s', purpose=%d changed: "
"activation %d -> %d, priority %d -> %d\n",
name.c_str(),
std::get<FIELD_SOFTWARE_VERSION>(data).c_str(),
std::get<FIELD_SOFTWARE_PURPOSE>(data), prevActivation,
std::get<FIELD_SOFTWARE_ACTIVATION>(data), prevPriority,
std::get<FIELD_SOFTWARE_PRIORITY>(data)));
}
}
enum Columns
{
COLUMN_SILASOFTWARE_HASH = 1,
COLUMN_SILASOFTWARE_VERSION = 2,
COLUMN_SILASOFTWARE_PURPOSE = 3,
COLUMN_SILASOFTWARE_ACTIVATION = 4,
COLUMN_SILASOFTWARE_PRIORITY = 5,
};
/**
* @brief snmp request handler.
*/
void get_snmp_reply(netsnmp_agent_request_info* reqinfo,
netsnmp_request_info* request) const override
{
using namespace phosphor::snmp::agent;
netsnmp_table_request_info* tinfo = netsnmp_extract_table_info(request);
switch (tinfo->colnum)
{
case COLUMN_SILASOFTWARE_HASH:
VariableList::set(request->requestvb, name);
break;
case COLUMN_SILASOFTWARE_VERSION:
VariableList::set(request->requestvb,
std::get<FIELD_SOFTWARE_VERSION>(data));
break;
case COLUMN_SILASOFTWARE_PURPOSE:
VariableList::set(request->requestvb,
std::get<FIELD_SOFTWARE_PURPOSE>(data));
break;
case COLUMN_SILASOFTWARE_ACTIVATION:
VariableList::set(request->requestvb,
std::get<FIELD_SOFTWARE_ACTIVATION>(data));
break;
case COLUMN_SILASOFTWARE_PRIORITY:
VariableList::set(request->requestvb,
std::get<FIELD_SOFTWARE_PRIORITY>(data));
break;
default:
netsnmp_set_request_error(reqinfo, request, SNMP_NOSUCHOBJECT);
break;
}
}
};
constexpr oid softwareOid[] = SILA_OID(5);
constexpr auto SOFTWARE_FOLDER = "/xyz/openbmc_project/software";
static phosphor::snmp::data::Table<Software>
softwareTable("/xyz/openbmc_project/software",
{
"xyz.openbmc_project.Software.Version",
"xyz.openbmc_project.Software.Activation",
"xyz.openbmc_project.Software.RedundancyPriority",
});
/**
* @brief Initialize software table
*/
void init()
{
DEBUGMSGTL(("sila:init", "Initialize silaSoftwareTable\n"));
softwareTable.update();
softwareTable.init_mib("silaSoftwareTable", softwareOid,
OID_LENGTH(softwareOid),
Software::COLUMN_SILASOFTWARE_HASH,
Software::COLUMN_SILASOFTWARE_PRIORITY);
}
/**
* @brief Deinitialize software table
*/
void destroy()
{
DEBUGMSGTL(("sila:shutdown", "Deinitialize silaSoftwareTable\n"));
unregister_mib(const_cast<oid*>(softwareOid), OID_LENGTH(softwareOid));
}
} // namespace software
} // namespace sila
|
