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Fix issue due to repeated status()/connected() call #73

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merged 2 commits into from
Jul 29, 2021
Merged

Fix issue due to repeated status()/connected() call #73

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e4040df
Revert "Revert #50."
giulcioffi Jul 29, 2021
e303e39
Call peek() when there are no available data to make sure socket gets…
giulcioffi Jul 29, 2021
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7 changes: 6 additions & 1 deletion arduino/libraries/WiFi/src/WiFiClient.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,7 @@ int WiFiClient::available()

int result = 0;

//This function returns the number of bytes of pending data already received in the socket’s network.
if (lwip_ioctl_r(_socket, FIONREAD, &result) < 0) {
lwip_close_r(_socket);
_socket = -1;
Expand Down Expand Up @@ -150,6 +151,7 @@ int WiFiClient::peek()
{
uint8_t b;

//This function tries to receive data from the network and can return an error if the connection when down.
if (lwip_recv_r(_socket, &b, sizeof(b), MSG_PEEK | MSG_DONTWAIT) <= 0) {
if (errno != EWOULDBLOCK) {
lwip_close_r(_socket);
Expand Down Expand Up @@ -177,7 +179,10 @@ void WiFiClient::stop()
uint8_t WiFiClient::connected()
{
if (_socket != -1) {
peek();
//Check if there are already available data and, if not, try to read new ones from the network.
if (!available()) {
peek();
}
}

return (_socket != -1);
Expand Down