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Merge pull request #3759 from tannewt/recv_exit

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Exit faster on recv when TLS connection closed
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Scott Shawcroft 2020-11-25 13:40:52 -08:00 committed by GitHub
commit e7bab9e86b
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1 changed files with 5 additions and 0 deletions
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5
ports/esp32s2/common-hal/socketpool/Socket.c
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@ -103,6 +103,11 @@ mp_uint_t common_hal_socketpool_socket_recv_into(socketpool_socket_obj_t* self,
}
if (available > 0) {
status = esp_tls_conn_read(self->tcp, (void*) buf + received, available);
if (status == 0) {
// Reading zero when something is available indicates a closed
// connection. (The available bytes could have been TLS internal.)
break;
}
if (status > 0) {
received += status;
}