#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;
}
int MQTTAsync_connect(MQTTAsync handle, const MQTTAsync_connectOptions *options)
void * MQTTAsync
Definition: MQTTAsync.h:239
#define MQTTAsync_disconnectOptions_initializer
Definition: MQTTAsync.h:1308
#define MQTTAsync_responseOptions_initializer
Definition: MQTTAsync.h:685
int MQTTAsync_create(MQTTAsync *handle, const char *serverURI, const char *clientId, int persistence_type, void *persistence_context)
int MQTTAsync_sendMessage(MQTTAsync handle, const char *destinationName, const MQTTAsync_message *msg, MQTTAsync_responseOptions *response)
#define MQTTAsync_message_initializer
Definition: MQTTAsync.h:318
void MQTTAsync_destroy(MQTTAsync *handle)
int MQTTAsync_disconnect(MQTTAsync handle, const MQTTAsync_disconnectOptions *options)
#define MQTTAsync_connectOptions_initializer
Definition: MQTTAsync.h:1227
int MQTTAsync_setCallbacks(MQTTAsync handle, void *context, MQTTAsync_connectionLost *cl, MQTTAsync_messageArrived *ma, MQTTAsync_deliveryComplete *dc)
#define MQTTASYNC_SUCCESS
Definition: MQTTAsync.h:113
#define MQTTCLIENT_PERSISTENCE_NONE
Definition: MQTTClientPersistence.h:74
Definition: MQTTAsync.h:1054
int cleansession
Definition: MQTTAsync.h:1099
MQTTAsync_onFailure * onFailure
Definition: MQTTAsync.h:1150
MQTTAsync_onSuccess * onSuccess
Definition: MQTTAsync.h:1144
int keepAliveInterval
Definition: MQTTAsync.h:1077
void * context
Definition: MQTTAsync.h:1156
Definition: MQTTAsync.h:1258
MQTTAsync_onFailure * onFailure
Definition: MQTTAsync.h:1279
MQTTAsync_onSuccess * onSuccess
Definition: MQTTAsync.h:1273
void * context
Definition: MQTTAsync.h:1285
Definition: MQTTAsync.h:451
int code
Definition: MQTTAsync.h:455
MQTTAsync_token token
Definition: MQTTAsync.h:453
Definition: MQTTAsync.h:258
int qos
Definition: MQTTAsync.h:281
int retained
Definition: MQTTAsync.h:300
void * payload
Definition: MQTTAsync.h:267
int payloadlen
Definition: MQTTAsync.h:265
Definition: MQTTAsync.h:624
MQTTAsync_onFailure * onFailure
Definition: MQTTAsync.h:641
MQTTAsync_onSuccess * onSuccess
Definition: MQTTAsync.h:635
void * context
Definition: MQTTAsync.h:647
Definition: MQTTAsync.h:486
MQTTAsync_token token
Definition: MQTTAsync.h:488