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
|
// Copyright (C) 2017 Witekio.
// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QCOAPPROTOCOL_P_H
#define QCOAPPROTOCOL_P_H
#include <QtCoap/qcoapglobal.h>
#include <QtCoap/qcoapreply.h>
#include <QtCoap/qcoapresource.h>
#include <QtCore/qlist.h>
#include <QtCore/qqueue.h>
#include <QtCore/qpointer.h>
#include <QtCore/qobject.h>
#include <private/qobject_p.h>
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
QT_BEGIN_NAMESPACE
class QCoapInternalRequest;
class QCoapInternalReply;
class QCoapProtocolPrivate;
class QCoapConnection;
class Q_AUTOTEST_EXPORT QCoapProtocol : public QObject
{
Q_OBJECT
public:
explicit QCoapProtocol(QObject *parent = nullptr);
~QCoapProtocol();
uint ackTimeout() const;
double ackRandomFactor() const;
uint maximumRetransmitCount() const;
quint16 blockSize() const;
uint maximumTransmitSpan() const;
uint maximumTransmitWait() const;
uint maximumLatency() const;
uint minimumTimeout() const;
uint maximumTimeout() const;
uint nonConfirmLifetime() const;
uint maximumServerResponseDelay() const;
Q_SIGNALS:
void finished(QCoapReply *reply);
void responseToMulticastReceived(QCoapReply *reply, const QCoapMessage &message,
const QHostAddress &sender);
void error(QCoapReply *reply, QtCoap::Error error);
public:
Q_INVOKABLE void setAckTimeout(uint ackTimeout);
Q_INVOKABLE void setAckRandomFactor(double ackRandomFactor);
Q_INVOKABLE void setMaximumRetransmitCount(uint maximumRetransmitCount);
Q_INVOKABLE void setBlockSize(quint16 blockSize);
Q_INVOKABLE void setMaximumServerResponseDelay(uint responseDelay);
Q_INVOKABLE void setMinimumTokenSize(int tokenSize);
private:
Q_INVOKABLE void sendRequest(QPointer<QCoapReply> reply, QCoapConnection *connection);
Q_INVOKABLE void cancelObserve(QPointer<QCoapReply> reply) const;
Q_INVOKABLE void cancelObserve(const QUrl &url) const;
private:
Q_DECLARE_PRIVATE(QCoapProtocol)
friend class QCoapClient;
friend class QCoapClientPrivate;
};
struct CoapExchangeData {
QPointer<QCoapReply> userReply;
QSharedPointer<QCoapInternalRequest> request;
QList<QSharedPointer<QCoapInternalReply> > replies;
};
typedef QMap<QByteArray, CoapExchangeData> CoapExchangeMap;
class Q_AUTOTEST_EXPORT QCoapProtocolPrivate : public QObjectPrivate
{
public:
QCoapProtocolPrivate() = default;
quint16 generateUniqueMessageId() const;
QCoapToken generateUniqueToken() const;
QCoapInternalReply *decode(const QByteArray &data, const QHostAddress &sender);
void sendAcknowledgment(QCoapInternalRequest *request) const;
void sendReset(QCoapInternalRequest *request) const;
void sendRequest(QCoapInternalRequest *request, const QString& host = QString()) const;
void onLastMessageReceived(QCoapInternalRequest *request, const QHostAddress &sender);
void onRequestError(QCoapInternalRequest *request, QCoapInternalReply *reply);
void onRequestError(QCoapInternalRequest *request, QtCoap::Error error,
QCoapInternalReply *reply = nullptr);
void onRequestTimeout(QCoapInternalRequest *request);
void onRequestMaxTransmissionSpanReached(QCoapInternalRequest *request);
void onMulticastRequestExpired(QCoapInternalRequest *request);
void onFrameReceived(const QByteArray &data, const QHostAddress &sender);
void onConnectionError(QAbstractSocket::SocketError error);
void onRequestAborted(const QCoapToken &token);
bool isMessageIdRegistered(quint16 id) const;
bool isTokenRegistered(const QCoapToken &token) const;
bool isRequestRegistered(const QCoapInternalRequest *request) const;
QCoapInternalRequest *requestForToken(const QCoapToken &token) const;
QPointer<QCoapReply> userReplyForToken(const QCoapToken &token) const;
QList<QSharedPointer<QCoapInternalReply>> repliesForToken(const QCoapToken &token) const;
QCoapInternalReply *lastReplyForToken(const QCoapToken &token) const;
QCoapInternalRequest *findRequestByMessageId(quint16 messageId) const;
QCoapInternalRequest *findRequestByUserReply(const QCoapReply *reply) const;
void registerExchange(const QCoapToken &token, QCoapReply *reply,
QSharedPointer<QCoapInternalRequest> request);
bool addReply(const QCoapToken &token, QSharedPointer<QCoapInternalReply> reply);
bool forgetExchange(const QCoapToken &token);
bool forgetExchange(const QCoapInternalRequest *request);
bool forgetExchangeReplies(const QCoapToken &token);
CoapExchangeMap exchangeMap;
quint16 blockSize = 0;
uint maximumRetransmitCount = 4;
uint ackTimeout = 2000;
uint maximumServerResponseDelay = 250 * 1000;
int minimumTokenSize = 4;
double ackRandomFactor = 1.5;
Q_DECLARE_PUBLIC(QCoapProtocol)
};
QT_END_NAMESPACE
#endif // QCOAPPROTOCOL_P_H
|
