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
|
// Copyright (C) 2013-2015 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#if !defined (COMMONAPI_INTERNAL_COMPILATION)
#error "Only <CommonAPI/CommonAPI.hpp> can be included directly, this file may disappear or change contents."
#endif
#ifndef COMMONAPI_DBUS_DBUS_EVENT_HPP_
#define COMMONAPI_DBUS_DBUS_EVENT_HPP_
#include <CommonAPI/Event.hpp>
#include <CommonAPI/DBus/DBusAddress.hpp>
#include <CommonAPI/DBus/DBusHelper.hpp>
#include <CommonAPI/DBus/DBusMessage.hpp>
#include <CommonAPI/DBus/DBusProxyBase.hpp>
#include <CommonAPI/DBus/DBusProxyConnection.hpp>
#include <CommonAPI/DBus/DBusSerializableArguments.hpp>
namespace CommonAPI {
namespace DBus {
template <typename Event_, typename... Arguments_>
class DBusEvent: public Event_ {
public:
typedef typename Event_::Subscription Subscription;
typedef typename Event_::Listener Listener;
DBusEvent(DBusProxyBase &_proxy,
const std::string &_name, const std::string &_signature,
std::tuple<Arguments_...> _arguments)
: proxy_(_proxy),
signalHandler_(std::make_shared<SignalHandler>(_proxy, this)),
name_(_name), signature_(_signature),
getMethodName_(""),
arguments_(_arguments) {
interface_ = proxy_.getDBusAddress().getInterface();
path_ = proxy_.getDBusAddress().getObjectPath();
}
DBusEvent(DBusProxyBase &_proxy,
const std::string &_name, const std::string &_signature,
const std::string &_path, const std::string &_interface,
std::tuple<Arguments_...> _arguments)
: proxy_(_proxy),
signalHandler_(std::make_shared<SignalHandler>(_proxy, this)),
name_(_name), signature_(_signature),
path_(_path), interface_(_interface),
getMethodName_(""),
arguments_(_arguments) {
}
DBusEvent(DBusProxyBase &_proxy,
const std::string &_name,
const std::string &_signature,
const std::string &_getMethodName,
std::tuple<Arguments_...> _arguments)
: proxy_(_proxy),
signalHandler_(std::make_shared<SignalHandler>(_proxy, this)),
name_(_name),
signature_(_signature),
getMethodName_(_getMethodName),
arguments_(_arguments) {
interface_ = proxy_.getDBusAddress().getInterface();
path_ = proxy_.getDBusAddress().getObjectPath();
}
virtual ~DBusEvent() {
proxy_.removeSignalMemberHandler(subscription_, signalHandler_.get());
}
virtual void onError(const CommonAPI::CallStatus status) {
(void)status;
}
virtual void onSpecificError(const CommonAPI::CallStatus status, const uint32_t tag) {
(void)status;
(void)tag;
}
virtual void setSubscriptionToken(const DBusProxyConnection::DBusSignalHandlerToken token, const uint32_t tag) {
(void)token;
(void)tag;
}
protected:
class SignalHandler : public DBusProxyConnection::DBusSignalHandler,
public std::enable_shared_from_this<SignalHandler> {
public:
SignalHandler(DBusProxyBase&_proxy,
DBusEvent<Event_, Arguments_ ...>* _dbusEvent) :
proxy_(_proxy),
dbusEvent_(_dbusEvent) {
}
virtual void onSignalDBusMessage(const DBusMessage &_message) {
dbusEvent_->handleSignalDBusMessage(_message, typename make_sequence<sizeof...(Arguments_)>::type());
}
virtual void onInitialValueSignalDBusMessage(const DBusMessage&_message, const uint32_t tag) {
dbusEvent_->handleSignalDBusMessage(tag, _message, typename make_sequence<sizeof...(Arguments_)>::type());
}
virtual void onSpecificError(const CommonAPI::CallStatus status, const uint32_t tag) {
dbusEvent_->onSpecificError(status, tag);
}
virtual void setSubscriptionToken(const DBusProxyConnection::DBusSignalHandlerToken token, const uint32_t tag) {
dbusEvent_->setSubscriptionToken(token, tag);
}
private :
DBusProxyBase& proxy_;
DBusEvent<Event_, Arguments_ ...>* dbusEvent_;
};
virtual void onFirstListenerAdded(const Listener &_listener) {
(void)_listener;
subscription_ = proxy_.addSignalMemberHandler(
path_, interface_, name_, signature_, getMethodName_, signalHandler_, false);
}
virtual void onListenerAdded(const Listener &_listener, const Subscription subscription) {
(void)_listener;
if ("" != getMethodName_) {
proxy_.getCurrentValueForSignalListener(getMethodName_, signalHandler_, subscription);
}
}
virtual void onLastListenerRemoved(const Listener&) {
proxy_.removeSignalMemberHandler(subscription_, signalHandler_.get());
std::get<0>(subscription_) = "";
std::get<1>(subscription_) = "";
std::get<2>(subscription_) = "";
std::get<3>(subscription_) = "";
}
template<int ... Indices_>
inline void handleSignalDBusMessage(const DBusMessage &_message, index_sequence<Indices_...>) {
DBusInputStream input(_message);
if (DBusSerializableArguments<
Arguments_...
>::deserialize(input, std::get<Indices_>(arguments_)...)) {
this->notifyListeners(std::get<Indices_>(arguments_)...);
}
}
template<int ... Indices_>
inline void handleSignalDBusMessage(const uint32_t tag, const DBusMessage &_message, index_sequence<Indices_...>) {
DBusInputStream input(_message);
if (DBusSerializableArguments<
Arguments_...
>::deserialize(input, std::get<Indices_>(arguments_)...)) {
this->notifySpecificListener(tag, std::get<Indices_>(arguments_)...);
}
}
DBusProxyBase &proxy_;
std::shared_ptr<SignalHandler> signalHandler_;
std::string name_;
std::string signature_;
std::string path_;
std::string interface_;
std::string getMethodName_;
DBusProxyConnection::DBusSignalHandlerToken subscription_;
std::tuple<Arguments_...> arguments_;
};
} // namespace DBus
} // namespace CommonAPI
#endif // COMMONAPI_DBUS_DBUS_EVENT_HPP_
|
