123

Dependencies:   MQTTSN

Client-main.cpp

Committer:
m_ahsan
Date:
2018-12-10
Revision:
13:8f1f478c300a

File content as of revision 13:8f1f478c300a:

/* SpwfInterface NetworkSocketAPI Example Program
 * Copyright (c) 2015 ARM Limited
 *
 * 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 "mbed.h"
#define MQTTSNCLIENT_QOS2 1
//#include "TCPSocket.h"
//#include "UDPSocket.h"
#include "MQTTSNUDP.h"
#include "MQTTSNClient.h"

//

//------------------------------------
// Hyperterminal configuration
// 9600 bauds, 8-bit data, no parity
//------------------------------------

Serial pc(USBTX, USBRX);
DigitalOut myled(LED1);

int arrivedcount = 0;

void messageArrived(MQTTSN::MessageData& md)
{
    MQTTSN::Message &message = md.message;
    printf("Message arrived: qos %d, retained %d, dup %d, packetid %d\n, Number: %d", message.qos, message.retained, message.dup, message.id, arrivedcount);
    printf("Payload %.*s\n", message.payloadlen, (char*)message.payload);
    ++arrivedcount;
     puts((char*)message.payload);
}

int main() {
    
    float version = 0.47;
    char* topic = "mbed-sample";
    
    MQTTSNUDP ipstack = MQTTSNUDP();
    
    char * ssid = "KICS-IOT-DHCP";
    char * seckey = "AAAFFFBBBC";  
    
    printf("\r\nX-NUCLEO-IDW01M1 mbed Application\r\n");     
    printf("\r\nconnecting to AP\r\n");
            
    if(spwf.connect(ssid, seckey, NSAPI_SECURITY_WPA2)) {      
        printf("\r\nnow connected\r\n");
    } else {
        printf("\r\nerror connecting to AP.\r\n");
        return -1;
    }
    const char* Local_IP = spwf.get_ip_address();
    printf("IP Address of Device is: %s\n", Local_IP);
    
    const char* Local_MAC = spwf.get_mac_address();
    printf("MAC Address of Device is: %s\n", Local_MAC);
    
    MQTTSN::Client<MQTTSNUDP, Countdown> client = MQTTSN::Client<MQTTSNUDP, Countdown>(ipstack);
    char* hostname = "192.168.0.114";
    int port = 10000;
    printf("Connecting to %s:%d\n", hostname, port);
    int rc = ipstack.connect(hostname, port);
    if (rc != 0)
         printf("rc from UDP connect is %d\n", rc);
    else
        printf("UDP connected\n"); 

    MQTTSNPacket_connectData data = MQTTSNPacket_connectData_initializer;       
    data.clientID.cstring = "mbed-sample";
    data.duration = 60;
    if ((rc = client.connect(data)) != 0)
         printf("rc from MQTT connect is %d\n", rc);
    else
         printf("MQTT Connected\n");
    
    MQTTSN_topicid topicid;
    topicid.type = MQTTSN_TOPIC_TYPE_NORMAL;
    topicid.data.long_.name = topic;
    topicid.data.long_.len = strlen(topic);
    MQTTSN::QoS grantedQoS;
    if ((rc = client.subscribe(topicid, MQTTSN::QOS1, grantedQoS, messageArrived)) != 0)
         printf("rc from MQTT subscribe is %d\n", rc);
    else
         printf("Subscribed to Topic %s\n", topic);
         
    MQTTSN::Message message;
    
    char buf[100];
    int i;
    // QoS 0
    for(i = 0 ; i<= 10; i++){
    sprintf(buf, "Hello World!  QoS 0 message from app version %f\n", version);
    message.qos = MQTTSN::QOS0;
    message.retained = false;
    message.dup = false;
    message.payload = (void*)buf;
    message.payloadlen = strlen(buf)+1;
    
    if ((rc = client.publish(topicid, message)) != 0)
         printf("rc from MQTT Publish is %d\n", rc);
    else
         printf("Published Buffer %s to Topic %s\n",buf, topic);
    printf("arrivedcount %d, i = %d\n",arrivedcount, i);
    //while (arrivedcount < i)
        client.yield(100);
    }   
    wait(1);
    // QoS 1
    
    sprintf(buf, "Hello World!  QoS 1 message from app version %f\n", version);
    message.qos = MQTTSN::QOS1;
    message.payloadlen = strlen(buf)+1;
    if ((rc = client.publish(topicid, message)) != 0)
         printf("rc from MQTT Publish is %d\n", rc);
    else
         printf("Published Buffer %s to Topic %s\n",buf, topic);
    i++;
    //while (arrivedcount < i)
        client.yield(100);
    wait(1);    
        // QoS 1
    
    sprintf(buf, "Hello World!  QoS 2 message from app version %f\n", version);
    message.qos = MQTTSN::QOS2;
    message.payloadlen = strlen(buf)+1;
    if ((rc = client.publish(topicid, message)) != 0)
         printf("rc from MQTT Publish is %d\n", rc);
    else
         printf("Published Buffer %s to Topic %s\n",buf, topic);
    i++;
    //while (arrivedcount < i)
        client.yield(100);
    wait(1); 
    /*
    // QoS 2
    sprintf(buf, "Hello World!  QoS 2 message from app version %f\n", version);
    message.qos = MQTTSN::QOS2;
    message.payloadlen = strlen(buf)+1;
    if ((rc = client.publish(topicid, message)) != 0)
         printf("rc from MQTT Publish is %d\n", rc);
    else
         printf("Published Buffer %s to Topic %s\n",buf, topic);
    i++;
    printf("arrivedcount %d, i = %d\n",arrivedcount, i);
    //while (arrivedcount < i)
        client.yield(100);
    wait(3); */
    /*    
    // n * QoS 2
    for (int a = 1; a <= 10; a++)
    {
        sprintf(buf, "Hello World!  QoS 2 message number %d from app version %f\n", i, version);
        message.qos = MQTTSN::QOS2;
        message.payloadlen = strlen(buf)+1;
        if ((rc = client.publish(topicid, message)) != 0)
         printf("rc from MQTT Publish is %d\n", rc);
    else
         printf("Published Buffer %s to Topic %s\n",buf, topic);
         i++;
        printf("arrivedcount %d, i = %d\n",arrivedcount, i);
        while (arrivedcount < i)
            client.yield(100);
    }
    */
    if ((rc = client.unsubscribe(topicid)) != 0)
        printf("rc from unsubscribe was %d\n", rc);
    
    if ((rc = client.disconnect()) != 0)
        printf("rc from disconnect was %d\n", rc);
    
    ipstack.disconnect();

    printf("Version %.2f: finish %d msgs\n", version, arrivedcount);
    printf("Finishing with %d messages received\n", arrivedcount);
    
    return 0;

}