Код: Выделить всё
#include "stdio.h"
#include "stdbool.h"
#include "stdlib.h"
#include "string.h"
#include "MQTTClient.h"
#define ADDRESS "ssl://sample url"
#define CLIENTID "12345"
#define TOPIC "device/ankit/out"
#define PAYLOAD "Hello World!"
#define QOS 1
#define TIMEOUT 10000L
int main(int argc, char* argv[])
{
MQTTClient client;
MQTTClient_connectOptions conn_opts = MQTTClient_connectOptions_initializer;
MQTTClient_message pubmsg = MQTTClient_message_initializer;
MQTTClient_SSLOptions sslOptions = MQTTClient_SSLOptions_initializer;
rc= MQTTClient_create(&client, ADDRESS, CLIENTID,
MQTTCLIENT_PERSISTENCE_DEFAULT, NULL);
conn_opts.keepAliveInterval = 30;;
conn_opts.cleansession = 1;
conn_opts.ssl = NULL;
conn_opts.username = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3MTU3ODE0ODgsImlhdCI6MTcxNTM0OTQ4OCwic2lkIjoiNjE3ZWZhZWYtZmM0OS00ZDg3LWFlNmEtYTM5YTdiNWFjZDI0Iiwi>// printf("%s",conn_opts.username);
conn_opts.password = "c8dab7e00c94d287ded7eacad8f001";
rc= MQTTClient_connect(client, &conn_opts);
if (rc != MQTTCLIENT_SUCCESS)
{
printf("Failed to connect, return code %d\n", rc);
exit(EXIT_FAILURE);
}
pubmsg.payload = PAYLOAD;
pubmsg.payloadlen = strlen(PAYLOAD);
pubmsg.qos = QOS;
pubmsg.retained = 0;
MQTTClient_publishMessage(client, TOPIC, &pubmsg, &token);
printf("Waiting for up to %d seconds for publication of %s\n"
"on topic %s for client with ClientID: %s\n",
(int)(TIMEOUT/1000), PAYLOAD, TOPIC, CLIENTID);
rc = MQTTClient_waitForCompletion(client, token, TIMEOUT);
printf("Message with delivery token %d delivered\n", token);
MQTTClient_disconnect(client, 10000);
MQTTClient_destroy(&client);
return rc;
}
- Команда Gcc: - sudo gcc test.c -I/usr/include/json-c -lcurl -ljson-c -lpaho-mqtt3cs`
Подробнее здесь: https://stackoverflow.com/questions/784 ... urn-code-6
