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I'm including this library "ESP8266WiFi.h" at the top of my sketch. I can find documentation on WiFiServer.available(), but didn't find for WiFi.connected(), which is called in a server sketch after getting the client.

Clearly it's a test whether (once? I believe) the client is connected or not (and hasn't been explicitly closed in the server's side). It may seem obvious but some documented info would be helpful though.

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You'll find it defined in WifiClient.h. The version I am using is, in WifiClient.cpp:

uint8_t WiFiClient::connected() {
  if (!_client)
    return 0;
  return _client->state() == ESTABLISHED || available();
}
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  • Thank you. I think I will have to read the code thoroughly. Meanwhile I hope someone documents it... Commented Dec 3, 2017 at 7:58
  • Complain to the maintainers of the core. It's their responsibility. Commented Dec 3, 2017 at 9:10

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