arduino/Adafruit_MQTT_Library
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Merge branch 'master' into better-ping-handling

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This commit is contained in:
Brent Rubell
2020-08-04 10:38:19 -04:00
committed by GitHub
parent 9bf437e61c 956242a28b
commit 4a409caf16
11 changed files with 373 additions and 320 deletions
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31
Adafruit_MQTT_Client.cpp
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@ -9,8 +9,8 @@
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@ -21,15 +21,16 @@
// SOFTWARE.
#include "Adafruit_MQTT_Client.h"
bool Adafruit_MQTT_Client::connectServer() {
// Grab server name from flash and copy to buffer for name resolution.
memset(buffer, 0, sizeof(buffer));
strcpy((char *)buffer, servername);
DEBUG_PRINT(F("Connecting to: ")); DEBUG_PRINTLN((char *)buffer);
DEBUG_PRINT(F("Connecting to: "));
DEBUG_PRINTLN((char *)buffer);
// Connect and check for success (0 result).
int r = client->connect((char *)buffer, portnum);
DEBUG_PRINT(F("Connect result: ")); DEBUG_PRINTLN(r);
DEBUG_PRINT(F("Connect result: "));
DEBUG_PRINTLN(r);
return r != 0;
}
@ -49,7 +50,8 @@ bool Adafruit_MQTT_Client::connected() {
uint16_t Adafruit_MQTT_Client::readPacket(uint8_t *buffer, uint16_t maxlen,
int16_t timeout) {
/* Read data until either the connection is closed, or the idle timeout is reached. */
/* Read data until either the connection is closed, or the idle timeout is
* reached. */
uint16_t len = 0;
int16_t t = timeout;
@ -58,13 +60,13 @@ uint16_t Adafruit_MQTT_Client::readPacket(uint8_t *buffer, uint16_t maxlen,
}
while (client->connected() && (timeout >= 0)) {
//DEBUG_PRINT('.');
// DEBUG_PRINT('.');
while (client->available()) {
//DEBUG_PRINT('!');
// DEBUG_PRINT('!');
char c = client->read();
timeout = t; // reset the timeout
timeout = t; // reset the timeout
buffer[len] = c;
//DEBUG_PRINTLN((uint8_t)c, HEX);
// DEBUG_PRINTLN((uint8_t)c, HEX);
len++;
if (len == maxlen) { // we read all we want, bail
@ -87,14 +89,15 @@ bool Adafruit_MQTT_Client::sendPacket(uint8_t *buffer, uint16_t len) {
// send 250 bytes at most at a time, can adjust this later based on Client
uint16_t sendlen = len > 250 ? 250 : len;
//Serial.print("Sending: "); Serial.println(sendlen);
// Serial.print("Sending: "); Serial.println(sendlen);
ret = client->write(buffer, sendlen);
DEBUG_PRINT(F("Client sendPacket returned: ")); DEBUG_PRINTLN(ret);
DEBUG_PRINT(F("Client sendPacket returned: "));
DEBUG_PRINTLN(ret);
len -= ret;
if (ret != sendlen) {
DEBUG_PRINTLN("Failed to send packet.");
return false;
DEBUG_PRINTLN("Failed to send packet.");
return false;
}
} else {
DEBUG_PRINTLN(F("Connection failed!"));