#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#if !defined(_WIN32)
#include <unistd.h>
#else
#include <windows.h>
#endif
 
#if defined(_WRS_KERNEL)
#include <OsWrapper.h>
#endif
 
#define ADDRESS     "tcp://mqtt.eclipse.org:1883"
#define CLIENTID    "ExampleClientPub"
#define TOPIC       "MQTT Examples"
#define PAYLOAD     "Hello World!"
#define QOS         1
#define TIMEOUT     10000L
 
int finished = 0;
 
void connlost(void *context, char *cause)
{
        int rc;
 
        printf("\nConnection lost\n");
        printf("     cause: %s\n", cause);
 
        printf("Reconnecting\n");
        {
                printf("Failed to start connect, return code %d\n", rc);
                finished = 1;
        }
}
 
{
        printf("Disconnect failed\n");
        finished = 1;
}
 
{
        printf("Successful disconnection\n");
        finished = 1;
}
 
{
        int rc;
 
        printf(
"Message send failed token %d error code %d\n", response->
token, response->
code);
        {
                printf("Failed to start disconnect, return code %d\n", rc);
                exit(EXIT_FAILURE);
        }
}
 
{
        int rc;
 
        printf(
"Message with token value %d delivery confirmed\n", response->
token);
        {
                printf("Failed to start disconnect, return code %d\n", rc);
                exit(EXIT_FAILURE);
        }
}
 
 
{
        printf(
"Connect failed, rc %d\n", response ? response->
code : 0);
        finished = 1;
}
 
 
{
        int rc;
 
        printf("Successful connection\n");
        {
                printf("Failed to start sendMessage, return code %d\n", rc);
                exit(EXIT_FAILURE);
        }
}
 
int messageArrived(
void* context, 
char* topicName, 
int topicLen, 
MQTTAsync_message* m)
 
{
        
        return 1;
}
 
int main(int argc, char* argv[])
{
        int rc;
 
        {
                printf("Failed to create client object, return code %d\n", rc);
                exit(EXIT_FAILURE);
        }
 
        {
                printf("Failed to set callback, return code %d\n", rc);
                exit(EXIT_FAILURE);
        }
 
        {
                printf("Failed to start connect, return code %d\n", rc);
                exit(EXIT_FAILURE);
        }
 
        printf("Waiting for publication of %s\n"
         "on topic %s for client with ClientID: %s\n",
         PAYLOAD, TOPIC, CLIENTID);
        while (!finished)
                #if defined(_WIN32)
                        Sleep(100);
                #else
                        usleep(10000L);
                #endif
 
        return rc;
}