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
|
/*
* Copyright (C) 2018 Iot.Bzh
*
* 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 "qafbwebsocketclient.h"
#include <QJsonDocument>
#include <QJsonArray>
#include <QJsonObject>
/*!
* \brief Default constructor.
* \param parent Parent object.
*/
QAfbWebsocketClient::QAfbWebsocketClient(QObject* parent)
: QObject{parent}
, m_nextCallId{0}
{
connect(&m_socket, SIGNAL(connected()), this, SLOT(onSocketConnected()));
connect(&m_socket, SIGNAL(disconnected()), this, SLOT(onSocketDisconnected()));
connect(&m_socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(onSocketError(QAbstractSocket::SocketError)));
connect(&m_socket, SIGNAL(textMessageReceived(QString)), this, SLOT(onSocketTextReceived(QString)));
}
/*!
* \brief Get last error code.
* \return Return the last error code.
*/
QAbstractSocket::SocketError QAfbWebsocketClient::error() const
{
return m_socket.error();
}
/*!
* \brief Get last error as a string.
* \return Return the last error as a string.
*/
QString QAfbWebsocketClient::errorString() const
{
return m_socket.errorString();
}
/*!
* \brief Check if connection is ready or not.
* \return Return \c true if the connected is ready to read and write, \c false otherwise.
*/
bool QAfbWebsocketClient::isValid() const
{
return m_socket.isValid();
}
/*!
* \brief Open the connection.
* \param u Url to connect to.
*/
void QAfbWebsocketClient::open(const QUrl& u)
{
m_socket.open(u);
}
/*!
* \brief Close the connection.
*/
void QAfbWebsocketClient::close()
{
m_socket.close();
}
/*!
* \brief Call an api's verb with an argument.
* \param api Api to call.
* \param verb Verb to call.
* \param arg Argument to pass.
* \param closure callback to call at the verb reply
*/
void QAfbWebsocketClient::call(const QString& api, const QString& verb, const QJsonValue& arg, closure_t closure)
{
QString callId = QString::number(m_nextCallId++);
if (closure)
m_closures[callId] = closure;
QJsonArray msg;
msg.append(2); // Call
msg.append(callId);
msg.append(api + "/" + verb);
msg.append(arg);
QJsonDocument value;
value.setArray(msg);
sendTextMessage(value.toJson(QJsonDocument::Compact));
}
/*!
* \brief Send a text message over the websocket.
* \param msg Message to send.
* This is use for test only, you should not use this method as
* it sent text as-is, so you have to follow the binder's
* protocol by your self.
*/
void QAfbWebsocketClient::sendTextMessage(QString msg)
{
m_socket.sendTextMessage(msg);
qDebug() << "WebSocket Text Sent: " << msg;
emit textSent(msg);
}
/*!
* \brief Called when socket signals to be connected.
*/
void QAfbWebsocketClient::onSocketConnected()
{
emit connected();
}
/*!
* \brief Called when socket signals to be disconnected.
*/
void QAfbWebsocketClient::onSocketDisconnected()
{
emit disconnected();
}
/*!
* \brief Called when socket signals an error.
* \param e Error code.
*/
void QAfbWebsocketClient::onSocketError(QAbstractSocket::SocketError e)
{
emit error(e);
}
/*!
* \brief Called when socket signals a received text.
* \param msg Message received.
*/
void QAfbWebsocketClient::onSocketTextReceived(QString msg)
{
emit textReceived(msg);
qDebug() << "WebSocket Text Received: " << msg;
QJsonDocument doc = QJsonDocument::fromJson(msg.toUtf8());
QJsonArray arr = doc.array();
switch(arr[0].toInt())
{
case 3: // RetOK
case 4: // RetErr
{
auto it = m_closures.find(arr[1].toString());
if (it != m_closures.end())
{
closure_t closure = *it;
m_closures.erase(it);
closure(arr[0].toInt() == 3, arr[2]);
}
break;
}
case 5: // Events
emit eventReceived(arr[1].toString(), arr[2].toObject()["data"]);
break;
}
}
|
