summaryrefslogtreecommitdiffstats
path: root/manager.cpp
blob: 0c6831e5f40bda9863be6c9801b07760ae69e9d5 (plain)
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
/**
 * Copyright © 2016 IBM Corporation
 *
 * 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 <iostream>
#include <exception>
#include <chrono>
#include <log.hpp>
#include "manager.hpp"

using namespace std::literals::chrono_literals;

namespace phosphor
{
namespace inventory
{
namespace manager
{
/** @brief Fowrarding signal callback.
 *
 *  Extracts per-signal specific context and forwards the call to the manager
 *  instance.
 */
auto _signal(sd_bus_message* m, void* data, sd_bus_error* e) noexcept
{
    try
    {
        auto msg = sdbusplus::message::message(m);
        auto& args = *static_cast<Manager::SigArg*>(data);
        sd_bus_message_ref(m);
        auto& mgr = *std::get<0>(args);
        mgr.handleEvent(
            msg,
            static_cast<const DbusSignal&>(
                *std::get<1>(args)),
            *std::get<2>(args));
    }
    catch (const std::exception& e)
    {
        std::cerr << e.what() << std::endl;
    }

    return 0;
}

Manager::Manager(
    sdbusplus::bus::bus&& bus,
    const char* busname,
    const char* root,
    const char* iface) :
    ServerObject<ManagerIface>(bus, root),
    _shutdown(false),
    _root(root),
    _bus(std::move(bus)),
    _manager(sdbusplus::server::manager::manager(_bus, root))
{
    for (auto& group : _events)
    {
        for (auto pEvent : std::get<std::vector<EventBasePtr>>(
                 group))
        {
            if (pEvent->type !=
                Event::Type::DBUS_SIGNAL)
            {
                continue;
            }

            // Create a callback context for this event group.
            auto dbusEvent = static_cast<DbusSignal*>(
                                 pEvent.get());

            // Go ahead and store an iterator pointing at
            // the event data to avoid lookups later since
            // additional signal callbacks aren't added
            // after the manager is constructed.
            _sigargs.emplace_back(
                std::make_unique<SigArg>(
                    this,
                    dbusEvent,
                    &group));

            // Register our callback and the context for
            // each signal event.
            _matches.emplace_back(
                _bus,
                dbusEvent->signature,
                _signal,
                _sigargs.back().get());
        }
    }

    _bus.request_name(busname);
}

void Manager::shutdown() noexcept
{
    _shutdown = true;
}

void Manager::run() noexcept
{
    sdbusplus::message::message unusedMsg{nullptr};

    // Run startup events.
    for (auto& group : _events)
    {
        for (auto pEvent : std::get<std::vector<EventBasePtr>>(
                 group))
        {
            if (pEvent->type ==
                Event::Type::STARTUP)
            {
                handleEvent(unusedMsg, *pEvent, group);
            }
        }
    }

    while (!_shutdown)
    {
        try
        {
            _bus.process_discard();
            _bus.wait((5000000us).count());
        }
        catch (const std::exception& e)
        {
            std::cerr << e.what() << std::endl;
        }
    }
}

void Manager::notify(std::map<sdbusplus::message::object_path, Object> objs)
{
    updateObjects(objs);
}

void Manager::handleEvent(
    sdbusplus::message::message& msg,
    const Event& event,
    const EventInfo& info)
{
    auto& actions = std::get<1>(info);

    for (auto& f : event)
    {
        if (!f(_bus, msg, *this))
        {
            return;
        }
    }
    for (auto& action : actions)
    {
        action(_bus, *this);
    }
}

void Manager::destroyObjects(
    const std::vector<const char*>& paths)
{
    std::string p;

    for (const auto& path : paths)
    {
        p.assign(_root);
        p.append(path);
        _bus.emit_object_removed(p.c_str());
        _refs.erase(p);
    }
}

void Manager::createObjects(
    const std::map<sdbusplus::message::object_path, Object>& objs)
{
    updateObjects(objs);
}

any_ns::any& Manager::getInterfaceHolder(
    const char* path, const char* interface)
{
    return const_cast<any_ns::any&>(
               const_cast<const Manager*>(
                   this)->getInterfaceHolder(path, interface));
}

const any_ns::any& Manager::getInterfaceHolder(
    const char* path, const char* interface) const
{
    std::string p{path};
    auto oit = _refs.find(_root + p);
    if (oit == _refs.end())
        throw std::runtime_error(
            _root + p + " was not found");

    auto& obj = oit->second;
    auto iit = obj.find(interface);
    if (iit == obj.end())
        throw std::runtime_error(
            "interface was not found");

    return iit->second;
}

} // namespace manager
} // namespace inventory
} // namespace phosphor

// vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
OpenPOWER on IntegriCloud