mirror of
https://github.com/eclipse/paho.mqtt-sn.embedded-c.git
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69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/*******************************************************************************
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* Copyright (c) 2014 IBM Corp.
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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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* Ian Craggs - initial API and implementation and/or initial documentation
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* Sergio R. Caprile - clarifications and/or documentation extension
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*
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* Description:
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* A qos -1 message can be sent without connecting
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* Short topic name used to avoid registration process
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*******************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "MQTTSNPacket.h"
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#include "rfcomm.h"
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int main(int argc, char** argv)
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{
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unsigned char buf[200];
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int buflen = sizeof(buf);
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MQTTSN_topicid topic;
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unsigned char* payload = (unsigned char*)"mypayload";
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int payloadlen = strlen((char*)payload);
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int len = 0;
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int dup = 0;
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int qos = 3;
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int retained = 0;
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short packetid = 0;
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char *host = "";
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int channel = 1;
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if (argc > 1)
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host = argv[1];
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if (argc > 2)
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channel = atoi(argv[2]);
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printf("Sending to address %s channel %d\n", host, channel);
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if (rfcomm_open(host, channel) < 0)
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{
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return -1;
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}
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/* publish with short name */
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topic.type = MQTTSN_TOPIC_TYPE_SHORT;
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memcpy(topic.data.short_name, "tt", 2);
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len = MQTTSNSerialize_publish(buf, buflen, dup, qos, retained, packetid,
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topic, payload, payloadlen);
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rfcomm_sendPacketBuffer(buf, len);
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rfcomm_close();
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return 0;
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}
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