86 lines
3.5 KiB
C++
86 lines
3.5 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2015 Simon Stuerz <simon.stuerz@guh.guru> *
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* *
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* This file is part of QtCoap. *
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* *
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* QtCoap is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, version 3 of the License. *
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* *
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* QtCoap is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with QtCoap. If not, see <http://www.gnu.org/licenses/>. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef COAP_H
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#define COAP_H
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#include <QObject>
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#include <QHostInfo>
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#include <QUdpSocket>
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#include <QHostAddress>
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#include <QQueue>
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#include "libguh.h"
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#include "coaprequest.h"
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#include "coapreply.h"
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/* Information about CoAP
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*
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* The Constrained Application Protocol (CoAP) : https://tools.ietf.org/html/rfc7252
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* Blockwise transfers in CoAP : https://tools.ietf.org/html/draft-ietf-core-block-18
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* Constrained RESTful Environments (CoRE) Link Format : http://tools.ietf.org/html/rfc6690
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* Observing Resources in CoAP : https://tools.ietf.org/html/rfc7641
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*/
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class LIBGUH_EXPORT Coap : public QObject
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{
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Q_OBJECT
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public:
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explicit Coap(QObject *parent = 0, const quint16 &port = 5683);
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CoapReply *ping(const CoapRequest &request);
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CoapReply *get(const CoapRequest &request);
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CoapReply *put(const CoapRequest &request, const QByteArray &data = QByteArray());
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CoapReply *post(const CoapRequest &request, const QByteArray &data = QByteArray());
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CoapReply *deleteResource(const CoapRequest &request);
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private:
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QUdpSocket *m_socket;
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CoapReply *m_reply;
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QHash<int, CoapReply *> m_runningHostLookups;
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QQueue<CoapReply *> m_replyQueue;
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void lookupHost();
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void sendRequest(CoapReply *reply, const bool &lookedUp = false);
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void sendData(const QHostAddress &hostAddress, const quint16 &port, const QByteArray &data);
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void sendCoapPdu(const QHostAddress &hostAddress, const quint16 &port, const CoapPdu &pdu);
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void processResponse(const CoapPdu &pdu);
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void processIdBasedResponse(CoapReply *reply, const CoapPdu &pdu);
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void processTokenBasedResponse(CoapReply *reply, const CoapPdu &pdu);
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void processBlock1Response(CoapReply *reply, const CoapPdu &pdu);
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void processBlock2Response(CoapReply *reply, const CoapPdu &pdu);
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signals:
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void replyFinished(CoapReply *reply);
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private slots:
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void hostLookupFinished(const QHostInfo &hostInfo);
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void onReadyRead();
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void onReplyTimeout();
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void onReplyFinished();
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};
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#endif // COAP_H
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