This repository was archived by the owner on Feb 4, 2023. It is now read-only.
This repository was archived by the owner on Feb 4, 2023. It is now read-only.
Having problemen with AsyncHTTPS memory leak #11
Closed
Description
Describe the bug
When utilizing the AsyncHTTPS library there is a decrease of the available heap space with about 100 to about 200 bytes per https request until it runs out of heap space and crashes.
Steps to Reproduce
I modified the included example slightly to demonstrate the problem;
https://github.com/khoih-prog/AsyncHTTPSRequest_Generic/blob/main/examples/AsyncHTTPSRequest_ESP/AsyncHTTPSRequest_ESP.ino
- Add a global variable;
uint previousHeapSize = ESP.getFreeHeap();
- Modified void sendRequest() function;
void sendRequest()
{
static bool requestOpenResult;
///***Add this
uint heapSize = ESP.getFreeHeap();
Serial.print("Current HeapFree: "); Serial.print(heapSize);
if(previousHeapSize > heapSize )
{
Serial.print(" decrease: ");
Serial.println(previousHeapSize - heapSize);
}else{
Serial.print(" increase: ");
Serial.println(heapSize - previousHeapSize);
}
previousHeapSize = heapSize;
///***End Add this
if (request.readyState() == readyStateUnsent || request.readyState() == readyStateDone)
- Commented out the Serial.print within requestCB to prevent printing of output
if (readyState == readyStateDone)
{
/*Serial.println(F("\n**************************************"));
Serial.println(request->responseText());
Serial.println(F("**************************************"));*/
request->setDebug(false);
}
-
Commented out the ticker1.attach within setup()
//ticker1.attach(HEARTBEAT_INTERVAL, heartBeatPrint); -
Decreased the HTTPS_REQUEST_INTERVAL to 10 seconds to faster show the problem, although it also happens when you leave the interval to the example's default
// 300s = 5 minutes to not flooding
#define HTTPS_REQUEST_INTERVAL 10 //300
Expected behavior
Expected for the free heap size to be remain stable after initial initialization with minor variations both in increase and decrease of available free heap space.
Actual behavior
The modified demo shows an ongoing decrease of available heap space:
11:05:07.402 -> Starting AsyncHTTPSRequest_ESP using ESP32_DEV
11:05:07.402 -> AsyncTCP_SSL v1.2.0
11:05:07.448 -> AsyncHTTPSRequest_Generic v2.0.1
11:05:07.529 -> Connecting to WiFi SSID: Wireless
11:05:08.036 -> .....
11:05:10.006 -> AsyncHTTPSRequest @ IP : 172.16.16.241
11:05:10.053 -> Current HeapFree: 264648 increase: 102796
11:05:20.034 -> Current HeapFree: 199900 decrease: 64748
11:05:30.020 -> Current HeapFree: 199548 decrease: 352
11:05:40.037 -> Current HeapFree: 199376 decrease: 172
11:05:50.048 -> Current HeapFree: 199248 decrease: 128
11:06:00.037 -> Current HeapFree: 199060 decrease: 188
11:06:10.022 -> Current HeapFree: 198892 decrease: 168
11:06:20.021 -> Current HeapFree: 198764 decrease: 128
11:06:30.003 -> Current HeapFree: 198592 decrease: 172
11:06:40.039 -> Current HeapFree: 198408 decrease: 184
11:06:50.032 -> Current HeapFree: 198084 decrease: 324
11:07:00.034 -> Current HeapFree: 197932 decrease: 152
11:07:10.009 -> Current HeapFree: 197760 decrease: 172
11:07:20.017 -> Current HeapFree: 197604 decrease: 156
11:07:30.048 -> Current HeapFree: 197428 decrease: 176
11:07:40.021 -> Current HeapFree: 197272 decrease: 156
11:07:50.020 -> Current HeapFree: 197080 decrease: 192
11:08:00.015 -> Current HeapFree: 196956 decrease: 124
11:08:10.047 -> Current HeapFree: 196788 decrease: 168
11:08:20.016 -> Current HeapFree: 196612 decrease: 176
11:08:30.029 -> Current HeapFree: 196460 decrease: 152
11:08:40.022 -> Current HeapFree: 196300 decrease: 160
11:08:50.037 -> Current HeapFree: 196132 decrease: 168
11:09:00.032 -> Current HeapFree: 196016 decrease: 116
11:09:10.025 -> Current HeapFree: 195824 decrease: 192
11:09:20.011 -> Current HeapFree: 195656 decrease: 168
11:09:30.003 -> Current HeapFree: 195512 decrease: 144
11:09:40.040 -> Current HeapFree: 195320 decrease: 192
11:09:50.007 -> Current HeapFree: 195168 decrease: 152
11:10:00.013 -> Current HeapFree: 195008 decrease: 160
11:10:10.015 -> Current HeapFree: 194892 decrease: 116
11:10:20.002 -> Current HeapFree: 194700 decrease: 192
11:10:30.032 -> Current HeapFree: 194556 decrease: 144
11:10:40.003 -> Current HeapFree: 194380 decrease: 176
11:10:50.002 -> Current HeapFree: 194228 decrease: 152
11:11:00.011 -> Current HeapFree: 194056 decrease: 172
11:11:10.017 -> Current HeapFree: 193916 decrease: 140
11:11:20.025 -> Current HeapFree: 193744 decrease: 172
11:11:30.005 -> Current HeapFree: 193572 decrease: 172
11:11:40.001 -> Current HeapFree: 193424 decrease: 148
11:11:50.007 -> Current HeapFree: 193244 decrease: 180
11:12:00.002 -> Current HeapFree: 193108 decrease: 136
11:12:10.003 -> Current HeapFree: 192928 decrease: 180
11:12:20.018 -> Current HeapFree: 192796 decrease: 132
11:12:30.035 -> Current HeapFree: 192608 decrease: 188
11:12:40.003 -> Current HeapFree: 192452 decrease: 156
11:12:50.010 -> Current HeapFree: 192296 decrease: 156
Debug and AT-command log (if applicable)
N/A
Screenshots
N/A
Information
- Arduino IDE version 1.8.16)
- ESP32 Wrover device using Board manager: ESP32 v3.02
- OS Windows 11