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	Removing remainder of whitespace differences
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		@@ -48,15 +48,13 @@ int strncasecmp(const char * str1, const char * str2, int len) {
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void printBuffer(uint8_t *buffer, uint16_t len) {
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  DEBUG_PRINTER.print('\t');
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  for (uint16_t i=0; i<len; i++) {
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        if (isprint(buffer[i])) {
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    if (isprint(buffer[i]))
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      DEBUG_PRINTER.write(buffer[i]);
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        } else {
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    else
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      DEBUG_PRINTER.print(" ");
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        }
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    DEBUG_PRINTER.print(F(" [0x"));
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        if (buffer[i] < 0x10) {
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    if (buffer[i] < 0x10)
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      DEBUG_PRINTER.print("0");
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        }
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    DEBUG_PRINTER.print(buffer[i],HEX);
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    DEBUG_PRINTER.print("], ");
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    if (i % 8 == 7) {
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@@ -89,10 +87,8 @@ static uint8_t *stringprint(uint8_t *p, const char *s, uint16_t maxlen = 0) {
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    Serial.write(pgm_read_byte(s+i));
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  }
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  */
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    p[0] = len >> 8;
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    p++;
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    p[0] = len & 0xFF;
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    p++;
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  p[0] = len >> 8; p++;
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  p[0] = len & 0xFF; p++;
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  strncpy((char *)p, s, len);
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  return p+len;
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}
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@@ -152,21 +148,18 @@ Adafruit_MQTT::Adafruit_MQTT(const char *server,
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int8_t Adafruit_MQTT::connect() {
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  // Connect to the server.
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    if (!connectServer()) {
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  if (!connectServer())
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    return -1;
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    }
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  // Construct and send connect packet.
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  uint8_t len = connectPacket(buffer);
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    if (!sendPacket(buffer, len)) {
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  if (!sendPacket(buffer, len))
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    return -1;
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    }
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  // Read connect response packet and verify it
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  len = readFullPacket(buffer, MAXBUFFERSIZE, CONNECT_TIMEOUT_MS);
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    if (len != 4) {
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  if (len != 4)
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    return -1;
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    }
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  if ((buffer[0] != (MQTT_CTRL_CONNECTACK << 4)) || (buffer[1] != 2))
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    return -1;
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  if (buffer[3] != 0)
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@@ -175,21 +168,17 @@ int8_t Adafruit_MQTT::connect() {
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  // Setup subscriptions once connected.
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  for (uint8_t i=0; i<MAXSUBSCRIPTIONS; i++) {
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    // Ignore subscriptions that aren't defined.
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        if (subscriptions[i] == 0) {
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            continue;
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        }
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    if (subscriptions[i] == 0) continue;
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    boolean success = false;
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    for (uint8_t retry=0; (retry<3) && !success; retry++) { // retry until we get a suback
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      // Construct and send subscription packet.
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      uint8_t len = subscribePacket(buffer, subscriptions[i]->topic, subscriptions[i]->qos);
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            if (!sendPacket(buffer, len)) {
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      if (!sendPacket(buffer, len))
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	return -1;
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            }
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            if (MQTT_PROTOCOL_LEVEL < 3) { // older versions didn't suback
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      if(MQTT_PROTOCOL_LEVEL < 3) // older versions didn't suback
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	break;
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            }
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      // Check for SUBACK if using MQTT 3.1.1 or higher
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      // TODO: The Server is permitted to start sending PUBLISH packets matching the
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@@ -207,7 +196,8 @@ int8_t Adafruit_MQTT::connect() {
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  return 0;
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}
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int8_t Adafruit_MQTT::connect(const char *user, const char *pass) {
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int8_t Adafruit_MQTT::connect(const char *user, const char *pass)
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{
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  username = user;
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  password = pass;
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  return connect();
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@@ -247,8 +237,7 @@ uint16_t Adafruit_MQTT::readFullPacket(uint8_t *buffer, uint16_t maxsize, uint16
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  rlen = readPacket(pbuff, 1, timeout);
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  if (rlen != 1) return 0;
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    DEBUG_PRINT(F("Packet Type:\t"));
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    DEBUG_PRINTBUFFER(pbuff, rlen);
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  DEBUG_PRINT(F("Packet Type:\t")); DEBUG_PRINTBUFFER(pbuff, rlen);
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  pbuff++;
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  uint32_t value = 0;
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@@ -270,8 +259,7 @@ uint16_t Adafruit_MQTT::readFullPacket(uint8_t *buffer, uint16_t maxsize, uint16
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    }
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  } while (encodedByte & 0x80);
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    DEBUG_PRINT(F("Packet Length:\t"));
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    DEBUG_PRINTLN(value);
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  DEBUG_PRINT(F("Packet Length:\t")); DEBUG_PRINTLN(value);
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  if (value > (maxsize - (pbuff-buffer) - 1)) {
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      DEBUG_PRINTLN(F("Packet too big for buffer"));
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@@ -286,27 +274,16 @@ uint16_t Adafruit_MQTT::readFullPacket(uint8_t *buffer, uint16_t maxsize, uint16
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const __FlashStringHelper* Adafruit_MQTT::connectErrorString(int8_t code) {
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   switch (code) {
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        case 1:
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            return F("The Server does not support the level of the MQTT protocol requested");
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        case 2:
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            return F("The Client identifier is correct UTF-8 but not allowed by the Server");
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        case 3:
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            return F("The MQTT service is unavailable");
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        case 4:
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            return F("The data in the user name or password is malformed");
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        case 5:
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            return F("Not authorized to connect");
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        case 6:
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            return F("Exceeded reconnect rate limit. Please try again later.");
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        case 7:
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            return F(
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                    "You have been banned from connecting. Please contact the MQTT server administrator for more details.");
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        case -1:
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            return F("Connection failed");
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        case -2:
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            return F("Failed to subscribe");
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        default:
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            return F("Unknown error");
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      case 1: return F("The Server does not support the level of the MQTT protocol requested");
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      case 2: return F("The Client identifier is correct UTF-8 but not allowed by the Server");
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      case 3: return F("The MQTT service is unavailable");
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      case 4: return F("The data in the user name or password is malformed");
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      case 5: return F("Not authorized to connect");
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      case 6: return F("Exceeded reconnect rate limit. Please try again later.");
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      case 7: return F("You have been banned from connecting. Please contact the MQTT server administrator for more details.");
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      case -1: return F("Connection failed");
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      case -2: return F("Failed to subscribe");
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      default: return F("Unknown error");
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   }
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}
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@@ -314,20 +291,21 @@ bool Adafruit_MQTT::disconnect() {
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  // Construct and send disconnect packet.
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  uint8_t len = disconnectPacket(buffer);
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    if (!sendPacket(buffer, len)) DEBUG_PRINTLN(F("Unable to send disconnect packet"));
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  if (! sendPacket(buffer, len))
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    DEBUG_PRINTLN(F("Unable to send disconnect packet"));
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  return disconnectServer();
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}
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bool Adafruit_MQTT::publish(const char *topic, const char *data, uint8_t qos, bool retain) {
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    return publish(topic, (uint8_t *) (data), strlen(data), qos, retain);
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bool Adafruit_MQTT::publish(const char *topic, const char *data, uint8_t qos) {
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    return publish(topic, (uint8_t*)(data), strlen(data), qos);
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}
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bool Adafruit_MQTT::publish(const char *topic, uint8_t *data, uint16_t bLen, uint8_t qos, bool retain) {
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bool Adafruit_MQTT::publish(const char *topic, uint8_t *data, uint16_t bLen, uint8_t qos) {
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  // Construct and send publish packet.
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    uint16_t len = publishPacket(buffer, topic, data, bLen, qos, retain);
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  uint16_t len = publishPacket(buffer, topic, data, bLen, qos);
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  if (!sendPacket(buffer, len))
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    return false;
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@@ -381,8 +359,7 @@ bool Adafruit_MQTT::subscribe(Adafruit_MQTT_Subscribe *sub) {
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  if (i==MAXSUBSCRIPTIONS) { // add to subscriptionlist
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    for (i=0; i<MAXSUBSCRIPTIONS; i++) {
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      if (subscriptions[i] == 0) {
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                DEBUG_PRINT(F("Added sub "));
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                DEBUG_PRINTLN(i);
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        DEBUG_PRINT(F("Added sub ")); DEBUG_PRINTLN(i);
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        subscriptions[i] = sub;
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        return true;
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      }
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@@ -449,17 +426,20 @@ void Adafruit_MQTT::processPackets(int16_t timeout) {
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	data = atoi((char *)sub->lastread);
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	//Serial.print("*** calling int callback with : "); Serial.println(data);
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	sub->callback_uint32t(data);
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            } else if (sub->callback_double != NULL) {
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      }
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      else if (sub->callback_double != NULL) {
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	// huh lets do the callback in doublefloat mode
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	double data = 0;
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	data = atof((char *)sub->lastread);
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	//Serial.print("*** calling double callback with : "); Serial.println(data);
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	sub->callback_double(data);
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            } else if (sub->callback_buffer != NULL) {
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      }
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      else if (sub->callback_buffer != NULL) {
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	// huh lets do the callback in buffer mode
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	//Serial.print("*** calling buffer callback with : "); Serial.println((char *)sub->lastread);
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	sub->callback_buffer((char *)sub->lastread, sub->datalen);
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            } else if (sub->callback_io != NULL) {
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      }
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      else if (sub->callback_io != NULL) {
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        // huh lets do the callback in io mode
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        //Serial.print("*** calling io instance callback with : "); Serial.println((char *)sub->lastread);
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        ((sub->io_mqtt)->*(sub->callback_io))((char *)sub->lastread, sub->datalen);
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@@ -476,32 +456,21 @@ void Adafruit_MQTT::processPackets(int16_t timeout) {
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}
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Adafruit_MQTT_Subscribe *Adafruit_MQTT::readSubscription(int16_t timeout) {
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    // Check if data is available to read.
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    uint16_t len = readFullPacket(buffer, MAXBUFFERSIZE, timeout); // return one full packet
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    return handleSubscriptionPacket(len);
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}
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		||||
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Adafruit_MQTT_Subscribe *Adafruit_MQTT::handleSubscriptionPacket(uint16_t len) {
 | 
			
		||||
  uint16_t i, topiclen, datalen;
 | 
			
		||||
 | 
			
		||||
    if (!len) {
 | 
			
		||||
  // Check if data is available to read.
 | 
			
		||||
  uint16_t len = readFullPacket(buffer, MAXBUFFERSIZE, timeout); // return one full packet
 | 
			
		||||
  if (!len)
 | 
			
		||||
    return NULL;  // No data available, just quit.
 | 
			
		||||
    }
 | 
			
		||||
    DEBUG_PRINT("Packet len: ");
 | 
			
		||||
    DEBUG_PRINTLN(len);
 | 
			
		||||
  DEBUG_PRINT("Packet len: "); DEBUG_PRINTLN(len);
 | 
			
		||||
  DEBUG_PRINTBUFFER(buffer, len);
 | 
			
		||||
 | 
			
		||||
    if (len < 3) {
 | 
			
		||||
        return NULL;
 | 
			
		||||
    }
 | 
			
		||||
    if ((buffer[0] & 0xF0) != (MQTT_CTRL_PUBLISH) << 4) {
 | 
			
		||||
        return NULL;
 | 
			
		||||
    }
 | 
			
		||||
	if (len<3) return NULL;
 | 
			
		||||
	if ((buffer[0] & 0xF0) != (MQTT_CTRL_PUBLISH) << 4) return NULL;
 | 
			
		||||
 | 
			
		||||
  // Parse out length of packet.
 | 
			
		||||
  topiclen = buffer[3];
 | 
			
		||||
    DEBUG_PRINT(F("Looking for subscription len "));
 | 
			
		||||
    DEBUG_PRINTLN(topiclen);
 | 
			
		||||
  DEBUG_PRINT(F("Looking for subscription len ")); DEBUG_PRINTLN(topiclen);
 | 
			
		||||
 | 
			
		||||
  // Find subscription associated with this packet.
 | 
			
		||||
  for (i=0; i<MAXSUBSCRIPTIONS; i++) {
 | 
			
		||||
@@ -513,15 +482,12 @@ Adafruit_MQTT_Subscribe *Adafruit_MQTT::handleSubscriptionPacket(uint16_t len) {
 | 
			
		||||
      // Stop if the subscription topic matches the received topic. Be careful
 | 
			
		||||
      // to make comparison case insensitive.
 | 
			
		||||
      if (strncasecmp((char*)buffer+4, subscriptions[i]->topic, topiclen) == 0) {
 | 
			
		||||
                DEBUG_PRINT(F("Found sub #"));
 | 
			
		||||
                DEBUG_PRINTLN(i);
 | 
			
		||||
        DEBUG_PRINT(F("Found sub #")); DEBUG_PRINTLN(i);
 | 
			
		||||
        break;
 | 
			
		||||
      }
 | 
			
		||||
    }
 | 
			
		||||
  }
 | 
			
		||||
    if (i == MAXSUBSCRIPTIONS) {
 | 
			
		||||
        return NULL; // matching sub not found ???
 | 
			
		||||
    }
 | 
			
		||||
  if (i==MAXSUBSCRIPTIONS) return NULL; // matching sub not found ???
 | 
			
		||||
 | 
			
		||||
  uint8_t packet_id_len = 0;
 | 
			
		||||
  uint16_t packetid = 0;
 | 
			
		||||
@@ -543,17 +509,16 @@ Adafruit_MQTT_Subscribe *Adafruit_MQTT::handleSubscriptionPacket(uint16_t len) {
 | 
			
		||||
  // extract out just the data, into the subscription object itself
 | 
			
		||||
  memmove(subscriptions[i]->lastread, buffer+4+topiclen+packet_id_len, datalen);
 | 
			
		||||
  subscriptions[i]->datalen = datalen;
 | 
			
		||||
    DEBUG_PRINT(F("Data len: "));
 | 
			
		||||
    DEBUG_PRINTLN(datalen);
 | 
			
		||||
    DEBUG_PRINT(F("Data: "));
 | 
			
		||||
    DEBUG_PRINTLN((char *) subscriptions[i]->lastread);
 | 
			
		||||
  DEBUG_PRINT(F("Data len: ")); DEBUG_PRINTLN(datalen);
 | 
			
		||||
  DEBUG_PRINT(F("Data: ")); DEBUG_PRINTLN((char *)subscriptions[i]->lastread);
 | 
			
		||||
 | 
			
		||||
  if ((MQTT_PROTOCOL_LEVEL > 3) &&(buffer[0] & 0x6) == 0x2) {
 | 
			
		||||
    uint8_t ackpacket[4];
 | 
			
		||||
 | 
			
		||||
    // Construct and send puback packet.
 | 
			
		||||
    uint8_t len = pubackPacket(ackpacket, packetid);
 | 
			
		||||
        if (!sendPacket(ackpacket, len)) DEBUG_PRINT(F("Failed"));
 | 
			
		||||
    if (!sendPacket(ackpacket, len))
 | 
			
		||||
      DEBUG_PRINT(F("Failed"));
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  // return the valid matching subscription
 | 
			
		||||
@@ -677,7 +642,7 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
 | 
			
		||||
 | 
			
		||||
// as per http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc398718040
 | 
			
		||||
uint16_t Adafruit_MQTT::publishPacket(uint8_t *packet, const char *topic,
 | 
			
		||||
                                      uint8_t *data, uint16_t bLen, uint8_t qos, bool retain) {
 | 
			
		||||
                                     uint8_t *data, uint16_t bLen, uint8_t qos) {
 | 
			
		||||
  uint8_t *p = packet;
 | 
			
		||||
  uint16_t len=0;
 | 
			
		||||
 | 
			
		||||
@@ -690,7 +655,7 @@ uint16_t Adafruit_MQTT::publishPacket(uint8_t *packet, const char *topic,
 | 
			
		||||
  len += bLen; // payload length
 | 
			
		||||
 | 
			
		||||
  // Now you can start generating the packet!
 | 
			
		||||
    p[0] = MQTT_CTRL_PUBLISH << 4 | qos << 1 | retain;
 | 
			
		||||
  p[0] = MQTT_CTRL_PUBLISH << 4 | qos << 1;
 | 
			
		||||
  p++;
 | 
			
		||||
 | 
			
		||||
  // fill in packet[1] last
 | 
			
		||||
@@ -756,6 +721,7 @@ uint8_t Adafruit_MQTT::subscribePacket(uint8_t *packet, const char *topic,
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
uint8_t Adafruit_MQTT::unsubscribePacket(uint8_t *packet, const char *topic) {
 | 
			
		||||
 | 
			
		||||
  uint8_t *p = packet;
 | 
			
		||||
@@ -812,13 +778,11 @@ uint8_t Adafruit_MQTT::disconnectPacket(uint8_t *packet) {
 | 
			
		||||
// Adafruit_MQTT_Publish Definition ////////////////////////////////////////////
 | 
			
		||||
 | 
			
		||||
Adafruit_MQTT_Publish::Adafruit_MQTT_Publish(Adafruit_MQTT *mqttserver,
 | 
			
		||||
                                             const char *feed, uint8_t
 | 
			
		||||
                                             q) {
 | 
			
		||||
                                             const char *feed, uint8_t q) {
 | 
			
		||||
  mqtt = mqttserver;
 | 
			
		||||
  topic = feed;
 | 
			
		||||
  qos = q;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
bool Adafruit_MQTT_Publish::publish(int32_t i) {
 | 
			
		||||
  char payload[12];
 | 
			
		||||
  ltoa(i, payload, 10);
 | 
			
		||||
@@ -842,8 +806,7 @@ bool Adafruit_MQTT_Publish::publish(const char *payload) {
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
//publish buffer of arbitrary length
 | 
			
		||||
bool Adafruit_MQTT_Publish::publish(uint8_t *payload, uint16_t
 | 
			
		||||
bLen) {
 | 
			
		||||
bool Adafruit_MQTT_Publish::publish(uint8_t *payload, uint16_t bLen) {
 | 
			
		||||
 | 
			
		||||
  return mqtt->publish(topic, payload, bLen, qos);
 | 
			
		||||
}
 | 
			
		||||
@@ -852,8 +815,7 @@ bLen) {
 | 
			
		||||
// Adafruit_MQTT_Subscribe Definition //////////////////////////////////////////
 | 
			
		||||
 | 
			
		||||
Adafruit_MQTT_Subscribe::Adafruit_MQTT_Subscribe(Adafruit_MQTT *mqttserver,
 | 
			
		||||
                                                 const char *feed, uint8_t
 | 
			
		||||
                                                 q) {
 | 
			
		||||
                                                 const char *feed, uint8_t q) {
 | 
			
		||||
  mqtt = mqttserver;
 | 
			
		||||
  topic = feed;
 | 
			
		||||
  qos = q;
 | 
			
		||||
 
 | 
			
		||||
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