Esempi in C++ (Cpp) per Mqtt_PackPingReqPkt

Esempio n. 1

File: sample.c Progetto: EagleSmith/MQTT-1

static int MqttSample_CmdPing(struct MqttSampleContext *ctx)
{
    int err;
    err = Mqtt_PackPingReqPkt(ctx->mqttbuf);
    if(MQTTERR_NOERROR != err) {
        printf("Critical bug: failed to pack the ping request packet.\n");
        return -1;
    }

    return 0;
}

Esempio n. 2

File: mqtt_loop.c Progetto: weijinhe108/OneNET_demo_code_kylin

/**
  * @brief 发送MQTT Ping报文
    * @param  ctx:上下文变量
  * @retval ret:0,成功，<0 失败
  **/
static int MqttSample_CmdPing(struct MqttSampleContext *ctx)
{
    int err;
    int bytes = 0;
    printf("%s %d\n", __func__, __LINE__);
    err = Mqtt_PackPingReqPkt(ctx->mqttbuf);
    if(MQTTERR_NOERROR != err)
    {
        printf("Critical bug: failed to pack the ping request packet.err=%d\n", err);
        return -1;
    }
    bytes = Mqtt_SendPkt(ctx->mqttctx, ctx->mqttbuf, 0);
    MqttBuffer_Reset(ctx->mqttbuf);
    return 0;
}