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#include <WiFi.h> // Built-in
#define MAX_SRV_CLIENTS 1
WiFiServer telnetServer(23);
WiFiClient telnetClient;
void telnetInit() {
telnetServer.begin();
telnetServer.setNoDelay(true) ;
}
void telnetStop() {
telnetClient.stop() ;
telnetServer.stop() ;
}
void checkTelnetConnection() { // check if we can accept a new connection (only 1 connection can be active)
if (telnetServer.hasClient()) {
if (telnetClient && telnetClient.connected()) {
WiFiClient newClient; // Verify if the IP is same than actual conection
newClient = telnetServer.available();
String ip = newClient.remoteIP().toString();
if (ip == telnetClient.remoteIP().toString()) {
telnetClient.stop(); // Reconnect
telnetClient = newClient;
} else { // Disconnect (not allow more than one connection)
newClient.stop();
return;
}
} else { // New TCP client
telnetClient = telnetServer.available();
}
if (!telnetClient) { // No client yet ??? (MS : pas certain que ce soit possible))
return;
}
telnetClient.flush(); // clear input buffer, else you get strange characters
//delay(100);
while (telnetClient.available()) { // Empty buffer in
telnetClient.read();
}
} // end of hasClient()
}
void sendViaTelnet( char c) {
if (telnetClient && telnetClient.connected()) {
telnetClient.print(c) ;
}
}
boolean telnetIsConnected() {
return telnetClient && telnetClient.connected() ;
}
void clearTelnetBuffer() {
while (telnetClient.available()) { // Empty buffer in
telnetClient.read();
}
}
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