C++ (Cpp) mqtt_sn_get_qos_flag 예제들

예제 #1

파일: mqtt-sn.c 프로젝트: gazally/mqtt-sn-tools

void mqtt_sn_send_publish(int sock, uint16_t topic_id, uint8_t topic_type, const void* data, int8_t qos, uint8_t retain)
{
    size_t data_len = strlen(data);
    publish_packet_t packet;
    memset(&packet, 0, sizeof(packet));

    if (data_len > sizeof(packet.data)) {
        log_err("Payload is too big");
        exit(EXIT_FAILURE);
    }

    packet.type = MQTT_SN_TYPE_PUBLISH;
    packet.flags = 0x00;
    if (retain)
        packet.flags += MQTT_SN_FLAG_RETAIN;
    packet.flags += mqtt_sn_get_qos_flag(qos);
    packet.flags += (topic_type & 0x3);
    packet.topic_id = htons(topic_id);
    packet.message_id = htons(next_message_id++);
    strncpy(packet.data, data, sizeof(packet.data));
    packet.length = 0x07 + data_len;

    log_debug("Sending PUBLISH packet...");

    return mqtt_sn_send_packet(sock, &packet);
}

예제 #2

파일: mqtt-sn.c 프로젝트: EmuxEvans/mqtt-sn-tools-contiki

uint16_t mqtt_sn_send_subscribe(struct mqtt_sn_connection *mqc, const char* topic_name, uint8_t qos)
{
    subscribe_packet_t packet;
    size_t topic_name_len = strlen(topic_name);

    packet.type = MQTT_SN_TYPE_SUBSCRIBE;
    packet.flags = 0x00;
    packet.flags += mqtt_sn_get_qos_flag(qos);
    if (topic_name_len == 2) {
        packet.flags += MQTT_SN_TOPIC_TYPE_SHORT;
    } else {
        packet.flags += MQTT_SN_TOPIC_TYPE_NORMAL;
    }
    packet.message_id = uip_htons(mqc->next_message_id++);
    strncpy(packet.topic_name, topic_name, sizeof(packet.topic_name));
    packet.topic_name[sizeof(packet.topic_name)-1] = '\0';
    packet.length = 0x05 + topic_name_len;

    if (debug){
        printf("Sending SUBSCRIBE packet...\n");
    }

    send_packet(mqc, (char*)&packet, packet.length);
    return packet.message_id;
}

예제 #3

파일: mqtt-sn.c 프로젝트: EmuxEvans/mqtt-sn-tools-contiki

uint16_t mqtt_sn_send_publish(struct mqtt_sn_connection *mqc, uint16_t topic_id, uint8_t topic_type, const char* data, uint16_t data_len, int8_t qos, uint8_t retain)
{
    publish_packet_t packet;

    if (data_len > sizeof(packet.data)) {
        printf("Error: payload is too big\n");
        return 0;
    }

    packet.type = MQTT_SN_TYPE_PUBLISH;
    packet.flags = 0x00;
    if (retain)
        packet.flags += MQTT_SN_FLAG_RETAIN;
    packet.flags += mqtt_sn_get_qos_flag(qos);
    packet.flags += (topic_type & 0x3);
    packet.topic_id = uip_htons(topic_id);
    packet.message_id = uip_htons(mqc->next_message_id++);
    strncpy(packet.data, data, sizeof(packet.data));
    packet.length = 0x07 + data_len;

    if (debug){
        printf("Sending PUBLISH packet...\n");
        if (ctimer_expired(&(mqc->receive_timer))){
            printf("receive timer has already expired...\n");
        }
    }

    send_packet(mqc, (char*)&packet, packet.length);
    return packet.message_id;
}

예제 #4

파일: mqtt-sn.c 프로젝트: EmuxEvans/mqtt-sn-tools-contiki

void mqtt_sn_send_subscribe_topic_id(struct mqtt_sn_connection *mqc, uint16_t topic_id, uint8_t qos)
{
    subscribe_packet_t packet;
    packet.type = MQTT_SN_TYPE_SUBSCRIBE;
    packet.flags = 0x00;
    packet.flags += mqtt_sn_get_qos_flag(qos);
    packet.flags += MQTT_SN_TOPIC_TYPE_PREDEFINED;
    packet.message_id = htons(mqc->next_message_id++);
    packet.topic_id = htons(topic_id);
    packet.length = 0x05 + 2;

    if (debug)
        fprintf(stderr, "Sending SUBSCRIBE packet...\n");

    return send_packet(sock, (char*)&packet, packet.length);
}

예제 #5

파일: mqtt-sn.c 프로젝트: gazally/mqtt-sn-tools

void mqtt_sn_send_subscribe_topic_id(int sock, uint16_t topic_id, uint8_t qos)
{
    subscribe_packet_t packet;
    memset(&packet, 0, sizeof(packet));

    packet.type = MQTT_SN_TYPE_SUBSCRIBE;
    packet.flags = 0x00;
    packet.flags += mqtt_sn_get_qos_flag(qos);
    packet.flags += MQTT_SN_TOPIC_TYPE_PREDEFINED;
    packet.message_id = htons(next_message_id++);
    packet.topic_id = htons(topic_id);
    packet.length = 0x05 + 2;

    log_debug("Sending SUBSCRIBE packet...");

    return mqtt_sn_send_packet(sock, &packet);
}

예제 #6

파일: mqtt-sn.c 프로젝트: gazally/mqtt-sn-tools

void mqtt_sn_send_subscribe_topic_name(int sock, const char* topic_name, uint8_t qos)
{
    size_t topic_name_len = strlen(topic_name);
    subscribe_packet_t packet;
    memset(&packet, 0, sizeof(packet));

    packet.type = MQTT_SN_TYPE_SUBSCRIBE;
    packet.flags = 0x00;
    packet.flags += mqtt_sn_get_qos_flag(qos);
    if (topic_name_len == 2) {
        packet.flags += MQTT_SN_TOPIC_TYPE_SHORT;
    } else {
        packet.flags += MQTT_SN_TOPIC_TYPE_NORMAL;
    }
    packet.message_id = htons(next_message_id++);
    strncpy(packet.topic_name, topic_name, sizeof(packet.topic_name));
    packet.topic_name[sizeof(packet.topic_name)-1] = '\0';
    packet.length = 0x05 + topic_name_len;

    log_debug("Sending SUBSCRIBE packet...");

    return mqtt_sn_send_packet(sock, &packet);
}