mirror of
https://github.com/eclipse/paho.mqtt-sn.embedded-c.git
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5fb4312aad
The purpose of this branch is to share work in process. Change sellect() of UDP to poll() Rewrite UDP6 for DTLS6 Known bug: can't reconnect DTLS Signed-off-by: tomoaki <tomoaki@tomy-tech.com>
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/**************************************************************************************
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* Copyright (c) 2017, Benjamin Aigner
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* based on UDP implementation (Copyright (c) 2016 Tomoaki Yamaguchi)
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* and Eclipse Distribution License v1.0 which accompany this distribution.
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*
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* The Eclipse Public License is available at
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* http://www.eclipse.org/legal/epl-v10.html
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* and the Eclipse Distribution License is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* Contributors:
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* Benjamin Aigner - port to UDPv6, used by RFC7668 (6lowpan over Bluetooth LE)
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* Tomoaki Yamaguchi - initial API and implementation and/or initial documentation
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**************************************************************************************/
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#ifndef SENSORNETWORK_H_
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#define SENSORNETWORK_H_
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#include "MQTTSNGWDefines.h"
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#include <arpa/inet.h>
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#include <string>
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#include <poll.h>
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using namespace std;
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namespace MQTTSNGW
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{
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/*===========================================
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Class SensorNetAddreess
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============================================*/
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class SensorNetAddress
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{
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public:
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SensorNetAddress();
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~SensorNetAddress();
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void setAddress(sockaddr_in6 *IpAddr);
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int setAddress(string* data);
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int setAddress(const char* data);
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uint16_t getPortNo(void);
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sockaddr_in6* getIpAddress(void);
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char* getAddress(void);
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bool isMatch(SensorNetAddress* addr);
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SensorNetAddress& operator =(SensorNetAddress& addr);
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char* sprint(char* buf);
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private:
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char _addrString[INET6_ADDRSTRLEN + 1];
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sockaddr_in6 _IpAddr;
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};
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/*========================================
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Class UpdPort6
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=======================================*/
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class UDPPort6
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{
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public:
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UDPPort6();
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virtual ~UDPPort6();
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int open(uint16_t uniPortNo, uint16_t multiPortNo, const char *broadcastAddr, const char *interfaceName, uint32_t hops);
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void close(void);
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int unicast(const uint8_t* buf, uint32_t length, SensorNetAddress* sendToAddr);
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int broadcast(const uint8_t* buf, uint32_t length);
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int recv(uint8_t* buf, uint16_t len, SensorNetAddress* addr);
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private:
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void setNonBlocking(const bool);
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int recvfrom(int sockfd, uint8_t* buf, uint16_t len, uint8_t flags, SensorNetAddress* addr);
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pollfd _pollfds[2];
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SensorNetAddress _grpAddr;
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SensorNetAddress _clientAddr;
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bool _disconReq;
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uint32_t _hops;
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};
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/*===========================================
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Class SensorNetwork
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============================================*/
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class SensorNetwork: public UDPPort6
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{
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public:
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SensorNetwork();
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~SensorNetwork();
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int unicast(const uint8_t* payload, uint16_t payloadLength, SensorNetAddress* sendto);
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int broadcast(const uint8_t* payload, uint16_t payloadLength);
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int read(uint8_t* buf, uint16_t bufLen);
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void initialize(void);
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const char* getDescription(void);
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SensorNetAddress* getSenderAddress(void);
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private:
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SensorNetAddress _clientAddr; // Sender's address. not gateway's one.
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string _description;
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};
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}
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#endif /* SENSORNETWORK6_H_ */
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