Gets a client that is connected to the server and has data available for reading. The connection persists when the returned client object goes out of scope; you can close it by calling client.stop().

available() inherits from the Stream utility class.


// telnet defaults to port
EthernetServer server = EthernetServer(int);





a Client object; if no Client has data available for reading, this object will evaluate to false in an if-statement (see the example below)


#include <Ethernet.h>
//the IP address:
byte ip[] = { 10, 0, 0, 177 };    
// the router's gateway address:
byte gateway[] = { 10, 0, 0, 1 };
// the subnet:
byte subnet[] = { 255, 255, 0, 0 };
// telnet defaults to port 23
EthernetServer server = EthernetServer(23);
void setup()
  // initialize the ethernet device
  Ethernet.begin(NULL, ip, gateway, subnet);
  // start listening for clients
void loop()
  // if an incoming client connects, there will be bytes available to read:
  EthernetClient client = server.available();
  if (client == true) {
    // read bytes from the incoming client and write them back
    // to any clients connected to the server:

See Also

Libraries Reference Home

The text of the 86Duino reference is a modification of the Arduino reference and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.

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