void umqtt_process(struct umqtt_connection *conn)
{
uint8_t buf[5];
unsigned int i = 2;
while (conn->rxbuff.datalen >= 2) { /* We do have the fixed header */
umqtt_circ_pop(&conn->rxbuff, buf, 2);
for (i = 2; buf[i - 1] & 0x80 && i < sizeof(buf); i++)
umqtt_circ_pop(&conn->rxbuff, &buf[i], 1);
umqtt_packet_arrived(conn, buf[0],
umqtt_decode_length(&buf[1]));
}
}
static void umqtt_packet_arrived(struct umqtt_connection *conn,
uint8_t header, int len)
{
uint8_t data[len];
umqtt_circ_pop(&conn->rxbuff, data, len);
switch (umqtt_header_type(header)) {
case UMQTT_CONNACK:
if (data[1] == 0x00)
conn->state = UMQTT_STATE_CONNECTED;
else
conn->state = UMQTT_STATE_FAILED;
break;
case UMQTT_SUBACK:
conn->nack_subscribe--;
break;
case UMQTT_PINGRESP:
conn->nack_ping--;
break;
case UMQTT_PUBLISH:
umqtt_handle_publish(conn, data, len);
break;
}
}
static void _mqttclient_transfer_buffer(void) {
_mqttclient_send_length = umqtt_circ_pop(&uip_conn->appstate.conn->txbuff,
_mqttclient_send_buffer,
sizeof(sharedbuf.mqtt.send_buffer));
if (_mqttclient_send_length) {
_is_sending = true;
_mqttclient_send();
}
}
