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Description
Platform: Giga R1
Arduino Core Mbed 4.1.5
HttpClient: 0.6.1
Here's a sequence of events with a crudely instrumented MbedClient. We connect using ArduinoHttpClient every 1s. Every 5th connection fails with error -3005 fromstatic_cast<TCPSocket *>(sock)->open(getNetwork()); in theMbedClient::connect() call. When it fails it takes 30s to return. This is in version 4.1.5. In version 4.1.1 it would never recover and continue to fail until device reboot. There would be no 30s delay. This issue occurs on any http server I've tried. I can continue to connect to the server in the code with python on my Mac with no problems. If I extend the delay so I connect to the server once every 5s the problem goes away. At 4s it reappears.
22:10:12.229 -> Fetching content length from httpforever.com:8022:10:12.393 -> Return code from connect022:10:13.213 -> took=993ms length: 512422:10:15.229 -> Fetching content length from httpforever.com:8022:10:15.394 -> Return code from connect022:10:16.216 -> took=979ms length: 512422:10:18.198 -> Fetching content length from httpforever.com:8022:10:18.365 -> Return code from connect022:10:19.225 -> took=1008ms length: 512422:10:21.203 -> Fetching content length from httpforever.com:8022:10:21.366 -> Return code from connect022:10:22.222 -> took=1004ms length: 512422:10:24.202 -> Fetching content length from httpforever.com:8022:10:24.202 -> Return code from TCPSocket::open-300522:10:54.295 -> took=30099ms length: -1code
#include <Arduino.h>#include <WiFi.h>#include <HttpClient.h>void setup() { Serial.begin(115200); delay(1000); Serial.println("HI"); // put your setup code here, to run once: auto wifi = WiFiInterface::get_default_instance(); wifi->set_dhcp(true); wifi->set_credentials("ZZZZ", "ZZZZ", nsapi_security_t::NSAPI_SECURITY_WPA2); Serial.println(wifi->connect());}void loop() { // put your main code here, to run repeatedly: WiFiClient client; HttpClient httpClient(client, "httpforever.com", 80); Serial.println("Fetching content length from httpforever.com:80"); auto then = millis(); httpClient.beginRequest(); httpClient.get("/"); httpClient.endRequest(); auto len = httpClient.contentLength(); // Doesn't read all content Serial.print("took="); Serial.print((millis() - then)); Serial.print("ms "); Serial.print("length: "); Serial.println(len); delay(5000);}